Lewandowski=A

[Event "1.p Szachy"] [Site "?"] [Date "1964"] [Round "?"] [White "Lewandowski=A"] [Black "(=0434.31a4a1)"] [Result "1/2-1/2"] [SetUp "1"] [FEN "8/8/5N2/8/KRP2r2/4p3/3PP3/k1n2b2 w - - 0 1"] [PlyCount "14"] [EventDate "1964"] {Attacked knight must leave} 1. Nd5 (1. Nh5 exd2 {and the pawn cannot be stopped.}) 1... exd2 $1 {After other moves White draws easily.} 2. Nc3 $1 { Now White threatens 3. Rb1#, but Black can defend effectively and impressively. } (2. Ne3 $2 Re4 3. Nd1 Bxe2) 2... Rxc4 $1 (2... d1=Q+ 3. Nxd1 Bxe2 4. Nc3 Bd3 5. Kb5 {and without a pawn, according to the latest theory, Black wins, but the presence of a pawn guarantees White a draw, because its capture involves the exchange of pieces.}) 3. Rxc4 Na2 $1 {Black continues to play ingeniously.} (3... Bxe2 4. Rd4) 4. Nd1 $1 (4. Rd4 Nxc3+) 4... Bxe2 {Black has a material advantage sufficient for victory, but now White begins to play ingeniously.} 5. Rc2 $1 (5. Rd4 $2 Bxd1+ 6. Ka3 (6. Ka5 Nc1 $1) 6... Nc3) 5... Bxd1 {Is it over? (he rook is pinned)} 6. Ka3 $1 {White is saved by a stalemate motive.} Nc3 (6... Bxc2 {stalemate.}) 7. Ra2+ $1 (7. Rxd2 $2 Nb1+) 7... Nxa2 (7... Kb1 8. Rxd2) 1/2-1/2

[Event "2.hm Szachy"] [Site "?"] [Date "1965"] [Round "?"] [White "Lewandowski=A"] [Black "(=0107.02b5f2) (c)"] [Result "1/2-1/2"] [SetUp "1"] [FEN "7n/5n2/7R/1KN5/8/7p/3p1k2/8 w - - 0 1"] [PlyCount "17"] [EventDate "1965"] 1. Ne4+ $1 {Thematic try:} (1. Nd3+ $2 {The black king checked by the white knight has 7 squares at his disposal, but only one is the refutation of the try. The other 6 are 'refuted' in the only way.} Kg3 $1 ( {a)} 1... Ke2 $2 2. Nf4+ $1 Kf2 3. Nxh3+ Kg3 4. Nf2 $1 Kxf2 5. Rh2+) ( {b)} 1... Kf3 $2 2. Rxh3+ $1) ( {c)} 1... Kg2 $2 2. Nf4+ $1) ( {d)} 1... Kg1 $2 2. Rxh3 $1 d1=Q 3. Rh1+ $1 Kxh1 4. Nf2+) ( {e)} 1... Kf1 $2 2. Rxh3 $1 d1=Q 3. Rh1+) ( {f)} 1... Ke3 $2 2. Rxh3+ $1)) ( {Another try} 1. Rxh3 $2 Nd6+ $1 ( {But not} 1... d1=Q $2 2. Ne4+ { with similar perpetual check as in the solution.}) 2. Kb4 {(or K anywhere)} d1=Q) 1... Kg2 2. Rxh3 Nd6+ $1 {Now we have an analogous situation to the thematic try only with the colours reversed: now the white king is checked by the black knight, he has 7 squares to go, but only one is correct!} 3. Kb4 $1 ( {a)} 3. Ka6 $2 Nxe4 $1 4. Rd3 Nc5+ $19) ( {b)} 3. Kb6 $2 Nc4+ $1 4. Kc5 d1=Q 5. Rg3+ Kf1 6. Rf3+ Qxf3 7. Nd2+ Nxd2 $19) ( {c)} 3. Ka5 $2 Nc4+) ( {d)} 3. Kc5 $2 Nxe4+ $1 {(check)}) ( {e)} 3. Kc6 $2 d1=Q $1 4. Rg3+ Kf1 5. Rf3+ Qxf3 { knight e4 is pinned}) ( {f)} 3. Ka4 $2 d1=Q+ ( {or} 3... Nxe4)) (3. Nxd6 $2 d1=Q) 3... d1=Q 4. Rg3+ Kh2 5. Rh3+ $1 Kg2 (5... Kxh3 6. Nf2+) 6. Rg3+ Kf1 7. Rf3+ $1 Ke1 (7... Qxf3 8. Nd2+) 8. Re3+ Kf1 9. Rf3+ $1 {perpetual check. The exclamation marks in the comments show the only moves that lead to the goal.} 1/2-1/2

[Event "Szachy"] [Site "?"] [Date "1965"] [Round "?"] [White "Lewandowski=A"] [Black "(=3243.01a1f7)"] [Result "1/2-1/2"] [SetUp "1"] [FEN "4qn1b/5k2/5p2/6R1/4R3/8/2B5/K7 w - - 0 1"] [PlyCount "10"] [EventDate "1965"] 1. Bb3+ Ne6 $1 {Vacates the f8-square for the king.} 2. Rg8 $3 {A very impressive move.} (2. Bxe6+ $2 Qxe6 3. Rxe6 fxg5+) 2... Kxg8 (2... f5+ 3. Ka2 Qb5 4. Bxe6+ Kf6 5. Rf8+ Kg6 6. Bxf5+) 3. Rxe6 Qg6 {The queen hides from the battery's check.} 4. Rxf6+ $1 {Self-pin.} Kh7 5. Bc2 Qxc2 {stalemate.} 1/2-1/2

[Event "Ceskoslovensky Sach"] [Site "?"] [Date "1965"] [Round "?"] [White "Lewandowski=A"] [Black "(=3104.00e3d6)"] [Result "1/2-1/2"] [SetUp "1"] [FEN "6n1/3q4/3k4/8/8/4K3/3N3R/8 w - - 0 1"] [PlyCount "21"] [EventDate "1965"] 1. Ne4+ Kc6 (1... Ke5 2. Rh5+ Ke6 3. Nc5+) 2. Rc2+ Kb6 3. Rb2+ Ka5 {Black's only chance is to bring his king closer to the rook.} 4. Ra2+ Kb5 5. Rb2+ Kc4 6. Rc2+ Kb4 7. Rb2+ Ka3 8. Rb3+ $1 Ka2 (8... Kxb3 9. Nc5+) {Now it seems that Black wins because checks are over but follows:} 9. Rb5 $3 {and suddenly Black has no defence against a perpetual check or loss of the queen.} Qc6 (9... Qg7 10. Kd3 Ka3 11. Nc3) 10. Kd4 Ka3 11. Nc3 1/2-1/2

[Event "3.p Szachy"] [Site "?"] [Date "1969"] [Round "?"] [White "Lewandowski=A"] [Black "(=0161.11h3e1)"] [Result "1/2-1/2"] [SetUp "1"] [FEN "4R1b1/8/4N3/1P6/8/2b4K/1p6/4k3 w - - 0 1"] [PlyCount "21"] [EventDate "1969"] 1. Nc5+ $1 (1. Nd4+ $2 Be6+ 2. Rxe6+ Kf1) 1... Be6+ $1 {Roman decoy.} (1... Kf1 {main} 2. Rf8+ Bf7 $1 {Roman decoy on another square} 3. Rxf7+ Kg1 4. Ne4 (4. Rf2 $2 b1=Q) 4... Be1 (4... b1=Q 5. Ng3 Bf6 $1 6. Rxf6) 5. Rg7+ {with easy draw.}) 2. Rxe6+ Kf1 {Now there is no check Rf6 - the f6 square is defended and it seems that Black wins because there is no way to stop the promotion of the b-pawn. But an impressive move is found.} (2... Kd1 3. Na4) (2... Kd2 3. Re1 Kxe1 4. Nd3+ Kd2 5. Nxb2) 3. Re2 $1 b1=Q (3... Kxe2 4. Na4 $1 Bd4 5. Nxb2) 4. Ne4 $1 {Another quiet and impressive move. Threatens 5. Ng3+ Kg1 6. Rg2#.} Be1 (4... Be5 5. Nd2+) 5. Rf2+ $1 {Another impressive move!} Kg1 (5... Bxf2 6. Nd2+) 6. Rg2+ Kh1 7. Rh2+ Kg1 8. Rg2+ Kf1 9. Rf2+ Bxf2 10. Nd2+ Ke2 11. Nxb1 1/2-1/2

[Event "2.p Szachy"] [Site "?"] [Date "1970"] [Round "?"] [White "Lewandowski=A"] [Black "(=0414.03f6g4) (c)"] [Result "1/2-1/2"] [SetUp "1"] [FEN "8/8/N1B1pK2/R1p5/6k1/2r5/3pn3/8 w - - 0 1"] [PlyCount "17"] [EventDate "1970"] 1. Ba4 Rf3+ (1... Ra3 $2 2. Nxc5 Rxa4 3. Rxa4+ Kh5 4. Nxe6 d1=Q 5. Ng7+ Kh6 6. Rh4#) 2. Ke7 $1 (2. Kxe6 $2 Nd4+ 3. Kd5 (3. Ke5 Nb3 4. Bxb3 Rxb3 5. Ra1 Re3+ 6. Kd5 Re1 $19) 3... Rb3 $1 4. Bd7+ Kf4 5. Ra1 Nc2 6. Rf1+ Rf3 7. Rb1 Rd3+ 8. Kc6 c4 $19) 2... Ra3 ( {main} 2... c4 3. Rc5 Ra3 4. Bd1 Rxa6 5. Bxe2+ Kf4 6. Rxc4+ Ke3 7. Bh5 $1 {Logical try:} (7. Bd1 $2 e5 8. Rc3+ Kf2 9. Rf3+ Ke1 10. Bc2 Rc6 11. Bb3 Ke2 12. Rf5 e4 $1 {the pawn was not "pinned" and this move was possible.}) (7. Bg4 $2 e5 $1 8. Rc3+ Kf4 $19) 7... Ra5 8. Bd1 $1 {with the rook on 5 line this move is already correct!} e5 9. Rc3+ Kf2 10. Rf3+ Ke1 11. Bc2 Rc5 {(B1)} (11... Ra2 {(B2)} 12. Bd3 $1 d1=Q 13. Rf1+ Kd2 14. Rxd1+ Kxd1 15. Ke6 $1 Ra5 16. Be4 Kd2 17. Bd5) 12. Bb3 Ke2 13. Rf5 $1 {and the pawn is "pinned" and the move 13... e4 is impossible - draw.}) 3. Nxc5 Rxa4 4. Rxa4+ Kh5 ( {main} 4... Kf5 5. Ra1 Nc1 6. Nd3 d1=Q 7. Ra4 Kg6 8. Nf4+) 5. Rg4 $3 d1=Q 6. Ne4 $1 e5 7. Nf6+ Kh6 8. Ng8+ Kh7 9. Nf6+ {perpetual check. (correction: Rusinek=J 2021)} 1/2-1/2

[Event "3.hm Gazeta Czestochowska"] [Site "?"] [Date "1974"] [Round "?"] [White "Lewandowski=A"] [Black "(=0137.11f8g5) (c)"] [Result "1/2-1/2"] [SetUp "1"] [FEN "2b2K2/8/1P3R2/5nk1/8/8/np5N/8 w - - 0 1"] [PlyCount "41"] [EventDate "1974"] 1. b7 b1=Q 2. bxc8=Q Qb4+ {Black launches a short attack ending with the capture of the queen.} 3. Kg8 Ne7+ 4. Kg7 Nxc8 {It seems that everything is over - Black's material advantage is crushing. But White's rook and knight begin to work wonders:} 5. Nf3+ Kg4 6. Ne5+ Kg3 7. Rg6+ Kh3 8. Rh6+ Kg2 9. Rg6+ Kf1 10. Rf6+ Ke2 {It seems that this is the end of checks, but it turns out that it is not yet!} 11. Rf2+ $1 Ke3 12. Rf3+ Kd2 (12... Ke4 13. Rf4+ $1) 13. Rf2+ Kc3 14. Rf3+ Kc2 15. Rf2+ Kb1 (15... Kb3 16. Rb2+ $1) 16. Rf1+ Nc1 17. Rxc1+ Ka2 18. Rc2+ Ka3 19. Nc4+ Ka4 20. Ra2+ Kb5 21. Rb2 {Fantastic cooperation between the rook and the knight across the all chessboard.} 1/2-1/2

[Event "Szachy"] [Site "?"] [Date "1974"] [Round "?"] [White "Lewandowski=A"] [Black "(+0311.20a7f3)"] [Result "1-0"] [SetUp "1"] [FEN "3r4/K2P4/6P1/4B3/8/5k2/8/7N w - - 0 1"] [PlyCount "11"] [EventDate "1974"] 1. Bf6 Rxd7+ 2. Kb8 Kg2 (2... Rd1 3. Ng3 Rg1 4. Be5 Rd1 5. g7 Rd8+ 6. Kc7 Rg8 7. Nf5 Ke4 8. Ne7) 3. Nf2 $1 Kxf2 (3... Kf3 4. Nd3 Ke3 5. Ne5) 4. Kc8 Rd1 ( { main} 4... Rd3 5. g7 Rg3 6. Bh4) 5. g7 Rg1 6. Bd4+ 1-0

[Event ".c Szachy"] [Site "?"] [Date "1976"] [Round "?"] [White "Lewandowski=A"] [Black "(=0434.20g1h5)"] [Result "1/2-1/2"] [SetUp "1"] [FEN "8/7r/3R4/4n2k/5b1P/4N3/6P1/6K1 w - - 0 1"] [PlyCount "10"] [EventDate "1976"] 1. Nd5 $1 (1. g4+ $2 Kxh4 2. Ng2+ Kg5 3. Nxf4 Nf3+ 4. Kf1 Rh1+ 5. Ke2 Re1+ 6. Kd3 Rd1+) 1... Nf3+ 2. gxf3 Rg7+ 3. Rg6 $1 {Point of the study.} Rxg6+ 4. Kh1 { An astonishing position has been created. Despite his move, Black has no way to defend against a stalemate or the loss of the bishop..} Be5 5. Nf4+ Bxf4 { Short, but impressive play. Stalemate.} 1/2-1/2

[Event "3.hm Gazeta Czestochowska"] [Site "?"] [Date "1976"] [Round "?"] [White "Lewandowski=A"] [Black "(=0107.01a7a4) (v)"] [Result "1/2-1/2"] [SetUp "1"] [FEN "8/K2N4/6R1/5n2/k7/3n4/5p2/8 w - - 0 1"] [PlyCount "19"] [EventDate "1976"] 1. Nc5+ Kb5 (1... Nxc5 2. Rg4+ Kb5 3. Rf4) 2. Ne4 f1=Q 3. Rb6+ Ka5 4. Ra6+ Kb4 5. Rb6+ Ka3 6. Rb3+ Ka4 {Black seems to be winning because checks are over, but follows} 7. Rb1 {Unexpectedly the perpetual check 8. Nc3+ threatens and there is no good defence against it!} Qg2 8. Nc3+ Ka3 9. Nb5+ Ka2 10. Nc3+ 1/2-1/2

[Event "1.hm Gazeta Czestochowska"] [Site "?"] [Date "1979"] [Round "?"] [White "Lewandowski=A"] [Black "(=0270.01a1h8)"] [Result "1/2-1/2"] [SetUp "1"] [FEN "7k/7B/6R1/1R6/2b5/8/5p2/K3b3 w - - 0 1"] [PlyCount "34"] [EventDate "1979"] {The material advantage is on the White's side, but it is impossible to stop the f2-pawn.} 1. Rh6 (1. Rf5 $2 Bc3+ 2. Kb1 Bd3+ $19) (1. Rf6 $2 Bc3+ $19) 1... Bc3+ (1... Kg7 2. Rh1 $10) 2. Rb2 f1=Q+ 3. Bb1+ Kg7 {White is in a stalemate position - he just needs to get rid of his Rg6. It turns out that this has to be done with precision.} 4. Rg6+ $1 (4. Rh7+ $2 Kf8 $19) 4... Kf8 5. Rg8+ Ke7 6. Re8+ (6. Rg7+ $2 Bf7 $19) 6... Kf6 7. Re6+ (7. Rf8+ $2 Bf7 $19) 7... Kg7 ({ main} 7... Kf7 8. Re7+ (8. Rf6+ $2 Qxf6 $19) 8... Kf8 9. Re8+ Kg7 10. Rg8+ $1 Kf6 11. Rg6+ Ke7 12. Re6+ Kf8 13. Re8+) 8. Rg6+ Kf8 9. Rg8+ Ke7 10. Re8+ Kf6 11. Re6+ Kf7 (11... Kg7 12. Rg6+) 12. Re7+ Kf8 13. Re8+ Kg7 14. Rg8+ Kf6 15. Rg6+ Ke7 16. Re6+ Kf8 17. Re8+ Kxe8 {stalemate.} 1/2-1/2

[Event "4.hm Grzeban JT Szachy"] [Site "?"] [Date "1982"] [Round "?"] [White "Lewandowski=A"] [Black "(=3171.10b8a6)"] [Result "1/2-1/2"] [SetUp "1"] [FEN "1K6/1P1R4/k5B1/8/4N3/b7/q5b1/8 w - - 0 1"] [PlyCount "18"] [EventDate "1982"] {White's only chance is the b7-pawn.} 1. Ka8 $1 Qe6 $1 2. b8=N+ $1 (2. b8=Q $2 Qxd7 $19) (2. Rh7 $2 Qxg6 $19) 2... Kb6 3. Rb7+ Ka5 4. Ra7+ Kb5 5. Rb7+ Ka5 6. Ra7+ Kb4 7. Rb7+ Ka4 (7... Kc4 8. Bf7 $10) 8. Be8+ $1 (8. Ra7+ $2 Kb3 {and king escapes.}) 8... Qxe8 9. Nc5+ Bxc5 {A model mate with two pinned pieces.} ( 9... Ka5 10. Nb3+ Ka4 11. Nc5+) 1/2-1/2

[Event "1/2.p The Problemist"] [Site "?"] [Date "1982"] [Round "?"] [White "Lewandowski=A"] [Black "(=3544.20e1a1)"] [Result "1/2-1/2"] [SetUp "1"] [FEN "8/8/q2N1B2/2b5/r7/2P1n3/2P4R/k3K1R1 w - - 0 1"] [PlyCount "22"] [EventDate "1982"] 1. c4+ {The pawn uses the battery and closes the a6-e2 diagonal at the same time.} Ka2 (1... Kb1 2. Kd2+) 2. Ke2 $1 (2. c3+ $2 Kb3 $19) 2... Nxc2 (2... Ka3 $2 3. Ra1+ Kb4 {and it is White who wins} 4. Rb1+ Ka5 5. Bd8+) 3. Ra1+ $3 { Sacrifice to create another battery - this time the king battery.} Nxa1 (3... Kb3 4. Rh3+ Kb4 5. Bc3+) 4. Kd3+ Nc2 $1 {Black also plays ingeniously: the Roman decoy.} ({Interesting is} 4... Bf2 5. Rxf2+ Ka3 6. Nb5+ Kb4 7. Bc3+ Kc5 8. Bd4+ Kc6 9. Rf6+) (4... Ka3 5. Nb5+) (4... Kb1 5. Rh1+) 5. Rxc2+ Kb1 6. Ne4 $1 {Despite the materially losing position White attacks.} (6. Rb2+ $2 Kc1 7. Rc2+ Kd1 8. Ne4 Ra3+ 9. Bc3 Qa4 10. Rd2+ Ke1 11. Nxc5 Rxc3+ 12. Kxc3 Qa5+) 6... Ra3+ (6... Bb4 7. Bc3 Bxc3 8. Nxc3+ Ka1 9. Rc1+ Kb2 10. Rb1+ Ka3 11. Nb5+ Ka2 12. Nc3+) 7. Bc3 Qg6 $1 (7... Rxc3+ 8. Nxc3+ Ka1 9. Ra2+ Qxa2 10. Nxa2) { Now comes the final stalemate:} 8. Rb2+ Kc1 9. Rc2+ Kd1 10. Rd2+ Ke1 11. Rd1+ $1 Kxd1 {A fantastic model stalemate in the middle of the board with two pinned pieces. All the pieces came to their final places in the process of a dynamic game full of surprising twists and turns.} 1/2-1/2

[Event "Gazeta Czestochowska"] [Site "?"] [Date "1984"] [Round "?"] [White "Lewandowski=A"] [Black "(=3506.10g5g7)"] [Result "1/2-1/2"] [SetUp "1"] [FEN "5n2/4P1k1/2R5/rn4K1/6R1/8/7q/8 w - - 0 1"] [PlyCount "12"] [EventDate "1984"] 1. Kf5+ Kh7 (1... Kf7 2. exf8=Q+ Kxf8 3. Rf6+ Ke7 4. Rg7+ Ke8 5. Rg8+ { perpetual check.}) 2. exf8=N+ $1 (2. exf8=Q $2 Nd4+ 3. Ke4 Qe2+ 4. Kxd4 Qxg4+ { with quick mate.}) 2... Kh8 3. Ng6+ Kg7 4. Ne5+ Kh7 5. Rc7+ $1 Nxc7 6. Rh4+ Qxh4 {A model stalemate in the middle of the board with pinned promoted knight. } 1/2-1/2

[Event "Biuletyn OZSZACH Czestochowa"] [Site "?"] [Date "1984"] [Round "?"] [White "Lewandowski=A"] [Black "(=0134.01g7g5)"] [Result "1/2-1/2"] [SetUp "1"] [FEN "3n4/6K1/8/b5k1/7N/1R6/2p5/8 w - - 0 1"] [PlyCount "17"] [EventDate "1984"] {How to stop the pawn?} 1. Nf3+ (1. Rb5+ $2 Kxh4 2. Rc5 Ne6+ $19) 1... Kf4 ( 1... Kh5 2. Rb5+ Kg4 3. Ne5+ Kg3 4. Nd3 $10) 2. Nd4 $1 Ne6+ $1 (2... c1=Q 3. Ne2+ $10) 3. Nxe6+ Kg4 {The pawn will inevitably promote to queen, but follows} 4. Nd4 $1 c1=Q 5. Rg3+ Kh5 6. Rh3+ Kg4 7. Rg3+ Kh4 8. Kg6 $1 {Unexpected quiet move.} Qb1+ (8... Kxg3 9. Ne2+) 9. Nf5+ 1/2-1/2

[Event "2.hm Herbstman MT Tidskrift for Schack"] [Site "?"] [Date "1985"] [Round "?"] [White "Lewandowski=A"] [Black "(=4771.22f8g5)"] [Result "1/2-1/2"] [SetUp "1"] [FEN "5K2/3r2Pb/1p4p1/b5k1/8/2R2QP1/4q2N/B4r2 w - - 0 1"] [PlyCount "18"] [EventDate "1985"] 1. Rc5+ $1 {Sacrifice of the rook activates the Ba1.} bxc5 2. Bf6+ Kh6 3. Ng4+ (3. Qxe2 $2 Rxf6+ 4. Ke8 Rd8+ 5. Ke7 Kxg7 6. Qb2 Rd4) (3. g8=N+ $2 Bxg8 4. Ng4+ (4. Qxe2 Rxf6+) 4... Kh7 5. Qxe2 Rf7+ 6. Ke8 Re1) 3... Kh5 4. Qxe2 Rd8+ (4... Re1 5. Qh2+ Kxg4 6. Qxh7) 5. Kf7 $1 (5. Ke7 $2 Re1 6. Qxe1 Bxe1 7. Kxd8 Kxg4 8. Ke8 c4 9. Kf7 g5) 5... Bg8+ 6. Ke7 Re1 (6... Re8+ {After brigning the bishop to g8 this move doesn't win.} 7. Kxe8 Re1 8. Qxe1 Bxe1 9. Kf8 Be6 10. Ne5) 7. Ne5+ Rxe2 8. g4+ Kh6 9. g5+ Kh5 {A capital exemplary stalemate in the middle of the board with a pinned knight and an actively walled-off bishop!} 1/2-1/2

[Event "Szachy"] [Site "?"] [Date "1984"] [Round "?"] [White "Lewandowski=A"] [Black "(=0432.02e4h3)"] [Result "1/2-1/2"] [SetUp "1"] [FEN "5r2/5b2/4NN2/3R4/4K3/5p1k/4p3/8 w - - 0 1"] [PlyCount "12"] [EventDate "1984"] 1. Kxf3 (1. Nf4+ Kh4 2. Kxf3 Bxd5+ 3. Kxe2 Bc4+) 1... e1=Q 2. Nf4+ Kh4 3. Ng2+ Kh3 4. Nf4+ (4. Nxe1 Bxd5+) 4... Kh2 5. Ng4+ Kh1 (5... Kg1 6. Nh3+ Kh1 7. Nhf2+ ) 6. Rh5+ Bxh5 {A model stalemate in the middle of the board with two pinned knights.} 1/2-1/2

[Event "3.p Szachy"] [Site "?"] [Date "1985"] [Round "?"] [White "Lewandowski=A"] [Black "(=3654.33b5d6)"] [Result "1/2-1/2"] [SetUp "1"] [FEN "8/3p1B1P/1pNk4/BK1p4/1PP2q2/3r4/8/n2b1r2 w - - 0 1"] [PlyCount "14"] [EventDate "1985"] {The position is unusual, but the situation on the chessboard will also be unusual.} 1. c5+ Kc7 2. Bxb6+ Kb7 3. Na5+ Ka8 4. h8=Q+ Qb8 5. Qxa1 (5. Bxd5+ $2 Rxd5 6. Qxa1 Rxc5+ $1 7. Kxc5 (7. bxc5 Be2+) 7... d6+ 8. Kd4 Qh8+) {White promoted the queen and gained the knight, but now the initiative is in Black's hands.} 5... Be2 $1 {Threats of lethal check from the battery. A final stalemate combination follows:} 6. Bxd5+ $1 {White himself provokes Black's "deadly" check!} (6. Nc4+ $2 Rxa1 7. Bxd5+ Qb7) 6... Rxd5+ 7. Nc4+ Rxa1 { A picturesque model stalemate in the middle of the board - this time with three pinned pieces.} 1/2-1/2

[Event "1.hm Chess Life"] [Site "?"] [Date "1984"] [Round "?"] [White "Lewandowski=A"] [Black "(=3104.11g8b1)"] [Result "1/2-1/2"] [SetUp "1"] [FEN "1n4K1/3P2p1/8/1N6/8/3q4/5R2/1k6 w - - 0 1"] [PlyCount "39"] [EventDate "1984"] {The result will be decided by the masterful collaboration between rook and knight.} 1. Nc3+ Kc1 2. Rf1+ Kc2 3. Rf2+ Kb3 $1 (3... Kxc3 4. Rf3 $1 Qxf3 5. d8=Q g6 (5... Qg3 6. Qe7 $1) 6. Kg7 Nc6 7. Qg5) {Checks are over and now what?} 4. Rf3 $1 Qxd7 5. Ne4+ $1 {The black king will not find a safe place anywhere.} Kb2 (5... Kb4 6. Rb3+ Ka5 (6... Kc4 7. Rc3+ Kd4 8. Rd3+ Kxd3 9. Nc5+ Kc4 10. Nxd7) 7. Ra3+ Kb6 8. Rb3+ Ka7 9. Ra3+ Na6 10. Rxa6+ Kb8 11. Rb6+ Kc8 12. Nd6+) 6. Rf2+ Kc1 7. Rf1+ Kb2 8. Rf2+ Ka3 9. Rf3+ Kb4 10. Rb3+ $1 Kc4 (10... Kxb3 11. Nc5+) 11. Rc3+ Kb5 (11... Kd4 12. Rd3+ $1 Kxd3 13. Nc5+) 12. Rb3+ Ka5 13. Ra3+ Kb6 14. Rb3+ Ka7 (14... Kc7 15. Rb7+ $1 Kxb7 16. Nc5+) 15. Ra3+ Na6 16. Rxa6+ Kb8 (16... Kxa6 17. Nc5+) 17. Rb6+ Kc8 18. Nd6+ Kd8 19. Rb8+ Ke7 20. Rb7 $1 1/2-1/2

[Event "Themes 64"] [Site "?"] [Date "1985"] [Round "?"] [White "Lewandowski=A"] [Black "(=3144.11e5f7)"] [Result "1/2-1/2"] [SetUp "1"] [FEN "1b2R3/n1p2k2/8/3NK2P/8/2B5/8/2q5 w - - 0 1"] [PlyCount "20"] [EventDate "1985"] 1. Re7+ Kf8 2. Ke6 Qh6+ 3. Bf6 (3. Nf6 $2 Qe3+ 4. Be5 Qh3+) 3... Nc6 4. Rf7+ Ke8 5. Nxc7+ Bxc7 6. Re7+ $1 Kf8 (6... Kd8 7. Rh7+) 7. Rf7+ Kg8 8. Rg7+ Kf8 ( 8... Qxg7 9. Bxg7 Kxg7 10. Kd7) 9. Rf7+ Ke8 10. Re7+ Nxe7 {stalemate.} 1/2-1/2

[Event "1.p Razem"] [Site "?"] [Date "1986"] [Round "?"] [White "Lewandowski=A"] [Black "(=4642.10e1g1)"] [Result "1/2-1/2"] [SetUp "1"] [FEN "6Q1/q2r4/4r3/7B/2N1b3/8/2P3N1/4K1k1 w - - 0 1"] [PlyCount "12"] [EventDate "1986"] {Black has a material advantage, but White has a move} 1. Nge3+ (1. Nh4+ $2 Bg6+ 2. Qxe6 Qf2#) (1. Qxe6 $2 Qf2#) (1. Nf4+ $2 Bg6+ 2. Ne2+ Rxe2+ 3. Kxe2 Qf2#) 1... Bg6 (1... Rg7 2. Qxe6 Qd4 3. Qb6 Qa1+ 4. Nd1+) 2. Qxe6 {Now the situation has turned, Black has an attack in exchange for White's material advantage} Qa1+ (2... Bxh5 3. Qf6) 3. Bd1 $1 (3. Nd1 $2 Rxd1+ 4. Bxd1 Qc3+) 3... Qc3+ (3... Bh5 4. Qxd7) (3... Rxd1+ 4. Nxd1) 4. Ke2 Bh5+ 5. Ng4 {It seems that Black's attack is over but} Re7 $1 {and again White's position is critical - 6. Qxe7? Bxg4#, but in chess capturing is not obligatory!} 6. Nce5 $1 Rxe6 {a fantastic stalemate in the middle of the board with two active pinned knights and active blocked bishop} (6... Qc5 7. Nf3+ Kh1 8. Kf1 Rxe6 9. Nf2+ Qxf2+ 10. Kxf2) (6... Qc7 7. Nf3+ Kg2 8. Ne3+ Kg3 9. Qg8+ Rg7 10. Qxg7+ Qxg7 11. Nf5+) 1/2-1/2

[Event "4.p Szachy"] [Site "?"] [Date "1986"] [Round "?"] [White "Lewandowski=A"] [Black "(=4642.32e8g5) (v)"] [Result "1/2-1/2"] [SetUp "1"] [FEN "1N2K3/6pq/6pP/2rP2k1/6N1/8/4Q1P1/B3b2r w - - 0 1"] [PlyCount "16"] [EventDate "1986"] 1. hxg7 $1 (1. Qe3+ $2 Kxg4 2. Qxc5 Qg8+ 3. Qf8 Qxf8+ 4. Kxf8 gxh6) 1... Qg8+ {Black starts a strong attack.} 2. Ke7 Rc7+ 3. Nd7 Bb4+ 4. d6 Re1 { White queen will be captured.} 5. Bf6+ Kh5 6. Nge5+ $1 (6. Qxe1 $2 Bxe1 7. Nge5 g5 $19) 6... Rxe2 7. g4+ Kh6 8. g5+ Kh7 {Fantastic model stalemate in the middle of the board with 3 pinned pieces and an actively blocked bishop also in the middle of the board! Seven white and four black pieces involved in the stalemate came to their final places.} 1/2-1/2

[Event "3.p Biuletyn CzOZSzach"] [Site "?"] [Date "1986"] [Round "?"] [White "Lewandowski=A"] [Black "(=3082.31g6e7) (c)"] [Result "1/2-1/2"] [SetUp "1"] [FEN "1b3N2/3Pk1pB/4P1K1/8/4P3/4q3/b2N4/2B5 w - - 0 1"] [PlyCount "14"] [EventDate "1986"] 1. Nb3 (1. Kxg7 $2 Be5+ 2. Kg8 (2. Kg6 Qg3+ 3. Kh5 Qh3+ 4. Kg5 Bf6+ 5. Kf4 Kxf8 ) 2... Qg5+ 3. Ng6+ Kxe6 4. Nb3 Qd8+ 5. Nf8+ Kd6 6. Ba3+ Kc6) 1... Qxe4+ 2. Kxg7 (2. Kg5 $2 Qg2+ 3. Kh5 Qf3+ 4. Kg5 (4. Kg6 Bb1+) 4... Qxf8) 2... Be5+ ( 2... Qg2+ 3. Ng6+ Kd8 4. Kh6 Qh3+ 5. Kg7 Be5+ 6. Nxe5 Qg3+ 7. Kf7 Qxe5 8. Bb2) (2... Qg4+ 3. Ng6+ Kd8 4. Bb2 Qxe6 5. Bf6+ Kxd7 6. Nf8+) (2... Qd5 3. Ng6+ Kd8 4. Bb2) (2... Qe5+ 3. Kh6 {and the queen interferes with the bishop (3... Bf4+??)}) 3. Kg8 Qg4+ (3... Qd5 4. Bg5+ Bf6 5. Ng6+ Kd6 6. Bxf6 Qxe6+ 7. Kg7 Qxd7+ 8. Be7+ Kc7 9. Bg8 Bb1 (9... Qd1 10. Nc5 Bb1) 10. Nc5 Qg4 11. Bf7) 4. Ng6+ (4. Bg6 $2 Bxb3 5. Ba3+ Kd8) 4... Kd8 5. Bg5+ Qxg5 6. e7+ Kxd7 7. e8=Q+ Kxe8 {A fine stalemate with two pinned pieces and a walled-up bishop.} 1/2-1/2

[Event "Razem"] [Site "?"] [Date "1986"] [Round "?"] [White "Lewandowski=A"] [Black "(=0713.20e2b1) (c)"] [Result "1/2-1/2"] [SetUp "1"] [FEN "6r1/5R2/8/4r3/4P3/1B5n/4KP2/1k6 w - - 0 1"] [PlyCount "14"] [EventDate "1986"] {White is down a rook, so he has to play very aggressively.} 1. Rb7 $1 { The B-R battery attacks the rook and forms a R-B (swap of roles) battery directed at the king.} Rxe4+ (1... Rh8 2. Be6+ Kc1 3. Rc7+ Kb2 4. Rb7+ Ka3 5. Rb3+ Ka4 6. Rxh3) 2. Kd3 ( {But not immediate} 2. Kd2 $2 {(logical try)} Rd8+ 3. Bd5+ Ka1 4. Ra7+ Kb2 {and Black wins because stalemate will not happen.}) 2... Nxf2+ 3. Kd2 $1 {Only now the king goes to d2, where he will be stalemated.} Rd8+ 4. Bd5+ Ka1 5. Ra7+ Kb2 6. Ra2+ Kb1 7. Rb2+ $1 Kxb2 {A model stalemate in the middle of the board with pinned bishop.} 1/2-1/2

[Event "1/2.p Razem"] [Site "?"] [Date "1987"] [Round "?"] [White "Lewandowski=A"] [Black "(=3234.01d1a2)"] [Result "1/2-1/2"] [SetUp "1"] [FEN "2b5/8/8/1R6/4q1p1/3R4/kN2n3/3K4 w - - 0 1"] [PlyCount "18"] [EventDate "1987"] 1. Ra5+ Kb1 (1... Kxb2 2. Rb5+ Ka2 3. Ra5+) 2. Rb5 $1 {Creates a dangerous battery.} Nc3+ $1 {Black launches an ingenious attack.} (2... Ba6 3. Nc4+ Bxb5 4. Rb3+ Ka2 5. Ra3+ {perpetual check}) 3. Rxc3 Qh1+ 4. Kd2 (4. Ke2 $2 Ba6) 4... Qg2+ 5. Ke1 (5. Kd1 $2 Qf1+) 5... Qg1+ 6. Ke2 (6. Kd2 $2 Qf2+ 7. Kd1 Qf1+) 6... Ba6 {Pin of the rook seems to secure Black's victory, but a stalemate combination is possible.} 7. Nc4+ Bxb5 8. Rb3+ Kc2 9. Rc3+ Kxc3 {A model stalemate with pinned knight.} 1/2-1/2

[Event "1/2.p Assiac MT New Statesman (and Nation)"] [Site "?"] [Date "1987"] [Round "?"] [White "Lewandowski=A"] [Black "(=0065.20g5d4)"] [Result "1/2-1/2"] [SetUp "1"] [FEN "2N3n1/8/6N1/2b3KP/2Pk4/7b/8/8 w - - 0 1"] [PlyCount "17"] [EventDate "1987"] {White cannot afford to lose both pawns, because the BBN - NN position is a win for the stronger side. In addition, Nc8 is under attack, so White must play very resolutely and sharply.} 1. Nge7 $1 (1. h6 $2 Nxh6 2. Nce7 Nf7+ 3. Kf6 Nd8 4. Ne5 Bd6 5. N7g6 Bc8 {win - the loss of a pawn or knight is inevitable.}) 1... Nxe7 2. h6 {and it seems that the pawn is unstoppable, but Black does not give up and plays imaginatively:} Ke4 $1 (2... Bxc8 3. h7) 3. h7 Ng6 (3... Be3+ 4. Kh5 Ng6 5. Kxg6 Bf5+ 6. Kf7 Bxh7 7. Kg7 $1 Bf5 8. Nd6+) 4. Kxg6 (4. Ne7 $2 Nh8 5. Kf6 (5. Nd5 Ke5 6. Nc7 Bf5 7. Kh6 Bf8+) 5... Bd4+ 6. Kg5 Bd7 7. Nd5 Ke5 8. Kh6 Kf5 9. Ne7+ Kf6) 4... Bf5+ 5. Kf7 $1 (5. Kg7 $2 Bd4+ 6. Kg8 Be6+ 7. Kf8 Bxc8) 5... Bxh7 {The balance of forces is in Black's favour as the c4-pawn is indefendable, but White takes advantage of the momentary closure of the Bh7 and forces an exchange of the knight for a bishop!} 6. Ne7 {with the threat of 7. Ng6 and 8. Kg7, but Black can open up the way out for his bishop:} Kf4 (6... Kd3 7. Ng6 Bd4 8. c5 Bxc5 9. Kg7) (6... Bd4 7. c5 Bxc5 8. Kg7) 7. Ng6+ (7. Ke6 $2 Bd3 8. Nd5+ Ke4 9. Nf6+ Kd4 10. Nd7 Bxc4+) 7... Kg5 8. Nf8 Bf5 9. Ne6+ 1/2-1/2

[Event ".c Szachy"] [Site "?"] [Date "1988"] [Round "?"] [White "Lewandowski=A"] [Black "(=0713.10a5a2)"] [Result "1/2-1/2"] [SetUp "1"] [FEN "8/3r1n2/8/K3R3/8/5r2/k1B3P1/8 w - - 0 1"] [PlyCount "17"] [EventDate "1988"] {White's only chance for a draw is to create a threatening battery.} 1. Re2 Ra3+ (1... Rd5+ {main} 2. Kb4 Rf4+ (2... Rd4+ 3. Kc5 Rff4 4. Be4+) 3. Be4+ Ka1 4. Re1+ (4. Kb3 $2 Rb5+ 5. Ka3 Ra5+ 6. Kb3 Rf1) 4... Kb2 5. Re2+ Kc1 6. Rc2+ Kd1 {And what now? Another battery saves, this time aimed at the rook:} 7. Rc4 Rb5+ $1 {Both sides play ingeniously!} 8. Ka4 $1 Rbf5 9. g3 $1 {The pawn, standing modestly to the side until now, makes a decisive move. Draw.} (9. Kb4 $2 Nd6)) 2. Ba4+ Ka1 3. Kb4 Rdd3 4. Re1+ Kb2 5. Re2+ Kc1 6. Rc2+ Kb1 {Is the dream of a draw over?} 7. Rf2 {with a double threat 8. Rxf7 and 8. Bc2+.} ({ Analogous} 7. Rc7 $2 {did not lead to a draw:} Ra2 8. Rxf7 Rd4+ 9. Kb3 Rb2+ 10. Ka3 Rd3+) 7... Ra2 8. Rf1+ Kb2 9. Rf2+ 1/2-1/2

[Event "Ajedrez de Estilo"] [Site "?"] [Date "1988"] [Round "?"] [White "Lewandowski=A"] [Black "(=3151.30d4a1) (c)"] [Result "1/2-1/2"] [SetUp "1"] [FEN "5b2/2Nb4/1R3B2/8/3K2P1/P7/3P3q/k7 w - - 0 1"] [PlyCount "22"] [EventDate "1988"] {Black's material advantage is huge, but an exemplary cooperation of the white pieces will decide.} 1. Kc4+ (1. Kd3+ $2 Ka2 2. Nd5 Qg3+) 1... Ka2 2. Nd5 $1 ( 2. Rb2+ $2 Kxa3 3. Rb3+ Ka4 4. Rb7 Qe2+ 5. d3 Qc2+ 6. Bc3 Qa2+ 7. Kd4 Qf2+) 2... Qe2+ 3. d3 Qxg4+ (3... Be6 4. Rb2+ Qxb2 5. Bxb2 Kxb2 6. a4 {is a draw (in several ways), thanks to the pawns.}) 4. Bd4 Be6 {The knight has to be pinned.} (4... Qg8 5. Rb2+ Kxa3 6. Rb3+ Ka4 7. Rb7 $1 Bb5+ 8. Rxb5 Bd6 9. Bc5 Qg4+ 10. Bd4 Qc8+ 11. Bc5) 5. Rb2+ Kxa3 6. Rb3+ (6. Rb5 Bb4 7. Rxb4 Bxd5+ 8. Kc5 Qc8+ 9. Kb5 Qb7+ 10. Kc5 (10. Bb6 Qc6+)) 6... Ka4 7. Rb4+ $1 Ka5 8. Rb5+ Ka6 9. Rb6+ Ka5 10. Rb5+ Ka4 11. Rb4+ Bxb4 {A model stalemate in the middle of the board with two pinned pieces.} 1/2-1/2

[Event "Schach"] [Site "?"] [Date "1988"] [Round "?"] [White "Lewandowski=A"] [Black "(=0134.21e8g5) (c)"] [Result "1/2-1/2"] [SetUp "1"] [FEN "4K3/8/8/6k1/3n1R2/5PP1/3p4/3bN3 w - - 0 1"] [PlyCount "19"] [EventDate "1988"] {The Pd2 is very dangerous.} 1. Rg4+ (1. Ng2 $2 Ba4+ 2. Ke7 Nc6+ 3. Kf7 Ne5+ 4. Ke6 d1=Q) 1... Kf6 2. Rf4+ Nf5 (2... Ke6 3. Rxd4 dxe1=Q 4. Re4+) (2... Ke5 3. Nd3+ Kd5 4. Nb4+ Kc5 5. Nd3+ Kb5 6. Nb2) 3. Ng2 {White lets the black pawn promote.} (3. Rxf5+ $2 Kxf5 4. Ng2 Bxf3 5. Ne3+ Ke4) 3... Ba4+ 4. Kf8 d1=Q 5. Rxf5+ Ke6 (5... Kg6 6. Nh4+ Kh6 7. Rf6+ Kh7 8. Rf7+) {Sensible checks are over, now what?} 6. Rd5 $1 {Impressive surprising move!} Qxf3+ 7. Nf4+ {The king is forced to unpin the knight.} Kf6 8. Nh5+ Kg6+ 9. Nf4+ Kf6 10. Nh5+ 1/2-1/2

[Event "4.p Schakend Nederland"] [Site "?"] [Date "1988"] [Round "?"] [White "Lewandowski=A"] [Black "(=0362.20a8c7)"] [Result "1/2-1/2"] [SetUp "1"] [FEN "K7/1Nk3N1/P4P2/8/3b2r1/8/8/5b2 w - - 0 1"] [PlyCount "12"] [EventDate "1988"] 1. Ne6+ (1. f7 Bxg7) 1... Kb6 (1... Kd7 2. f7 Bg7 3. Nxg7 Rf4 4. Nd8 Kxd8 5. f8=Q+ Rxf8 6. Ne6+) 2. f7 Bxa6 $1 3. Nd6 $1 (3. Nbc5 $2 Bxc5 4. Nxc5 Rf4 5. Nd7+ Kc7 6. f8=Q Bb7+ 7. Ka7 Ra4#) (3. f8=Q $2 Bxb7+ 4. Kb8 Be5+) 3... Be5 $1 4. f8=Q {This seems to be the end as White already has a material advantage, but Black does not give up taking advantage of the fact that he now has the initiative:} Bb7+ $1 5. Kb8 (5. Nxb7 $2 Ra4+) 5... Rg8 $1 6. Nd8 $1 Rxf8 { A model stalemate with two pins. A short game but full of unexpected twists and turns.} 1/2-1/2

[Event "1.hm Biuletyn CzOZSzach"] [Site "?"] [Date "1989"] [Round "?"] [White "Lewandowski=A"] [Black "(+0050.11c6f5) (c)"] [Result "1-0"] [SetUp "1"] [FEN "8/8/B1K1b2p/5k1P/8/8/8/B7 w - - 0 1"] [PlyCount "9"] [EventDate "1989"] {It seems there is no reason to dream of winning, as the h5-pawn cannot be defended.} 1. Kd6 (1. Be2 Kg5 2. Kd6 Bg4) 1... Bf7 2. Be2 Kg5 3. Ke7 Bxh5 { The pawn has been captured, but follows} 4. Bf6+ Kg6 5. Bd3# {A lovely study.} 1-0

[Event "2.hm Springaren"] [Site "?"] [Date "1989"] [Round "?"] [White "Lewandowski=A"] [Black "(=0843.11f5h8) (c)"] [Result "1/2-1/2"] [SetUp "1"] [FEN "4b2k/5R2/2r5/5K2/2B3p1/6P1/2R1n1r1/8 w - - 0 1"] [PlyCount "25"] [EventDate "1989"] 1. Rf8+ Kg7 2. Rg8+ $1 Kh7 3. Rxe8 Nd4+ (3... Nxg3+ 4. Ke5 Rxc2 5. Bd3+) 4. Kxg4 (4. Kg5 Rc5+ 5. Kxg4 Nxc2) 4... Nxc2 5. Re7+ $1 (5. Bd5 $2 Rg6+ 6. Kh3 R2xg3+ 7. Kh4 R6g4+ 8. Kh5 Rg5+ 9. Kh4 Kg7) 5... Kh8 (5... Kh6 6. Bd3) 6. Bd5 Rg6+ 7. Kf5 (7. Kh5 $2 R2xg3 8. Re8+ Kg7 9. Rg8+ Kf6 10. Rxg6+ Rxg6 11. Be4 Rg5+) 7... R2xg3 8. Re8+ Kg7 (8... Kh7 {main} 9. Be4 $1 Nd4+ {eg} 10. Ke5 Nc6+ 11. Kf4 R3g4+ 12. Ke3) 9. Rg8+ Kh6 10. Rh8+ Kg7 11. Rg8+ Kh7 12. Rxg6 Rxg6 13. Be4 $1 1/2-1/2

[Event "1.p The Problemist"] [Site "?"] [Date "1988"] [Round "?"] [White "Kwiatkowski=M Lewandowski=A"] [Black "(=0131.24e5f8)"] [Result "1/2-1/2"] [SetUp "1"] [FEN "5k2/8/b7/1p2K3/8/Pp1R2p1/2p1P3/4N3 w - - 0 1"] [PlyCount "15"] [EventDate "1988"] 1. Nxc2 $1 g2 (1... bxc2 2. Kf6 Ke8 3. Re3+ Kd7 4. Rd3+ Kc6 5. Rc3+ Kd5 6. Rxc2 Kd4 7. Kf5 Ke3 8. Rc3+ Kf2 9. Rf3+) 2. Rd8+ $1 ({Logical try:} 2. Rd1 $2 bxc2 3. Rg1 b4 4. Kd4 Bxe2 5. Ke3 Bf1 6. Kd2 b3 7. a4 Ke7 {The black king must first be pulled down on the e-line.}) 2... Kf7 $1 3. Rd7+ $1 Ke8 (3... Kg6 { main} 4. Rd1 $1 bxc2 5. Rg1 b4 6. Kd4 Bxe2 7. Ke3 Bf1 8. Kd2 b3 9. a4) { And now main plan:} 4. Rd1 bxc2 5. Re1 $1 b4 6. axb4 Bxe2 7. Ke4 $1 (7. Kd4 $2 c1=Q $1 8. Rxc1 Bf1) (7. Kf4 $2 g1=Q 8. Rxg1 Bd1) 7... Bd1 (7... Bf1 {main} 8. Kf3+) (7... c1=Q 8. Rxc1 Bf1 9. Rc8+ Kf7 10. Rc7+ Kg6 11. Rc6+ Kh5 12. Rc5+ Kh4 13. Rc7) (7... g1=Q 8. Rxg1 Bd1 9. Rg8+ Kd7 10. Rg7+ Kc6 11. Rg6+ Kb5 12. Rg5+ Kxb4 13. Rg8) 8. Kd3+ 1/2-1/2

[Event "5.p WCCT4 ty"] [Site "?"] [Date "1992"] [Round "?"] [White "Lewandowski=A"] [Black "(=4362.20h7f8) TT"] [Result "1/2-1/2"] [SetUp "1"] [FEN "b4k2/3P3K/7N/8/1b1q2N1/7Q/2P5/r7 w - - 0 1"] [PlyCount "12"] [EventDate "1992"] {Theme: "The same piece is pinned in the course of the game and then unpinned." } 1. Ne5 $1 {The sacrifice of the knight bringing the white queen into play and pulling the black queen off the d-line.} (1. Nf5 $2 Qxd7+ 2. Kh8 Rh1 3. Nh2 Rxh2 4. Qxh2 Bc3+) {White threatens with a mate attack, so Black must counterattack.} 1... Be4+ 2. Nf5 {(thematic self-pinning of Nf5)} Rh1 { (thematic pinning of the queen)} (2... Bd2 3. Qh5 Rh1 4. Ng6+ Kf7 5. Ngh4+ Kf6 6. Qg6+ Ke5 7. Qg7+) 3. Ng6+ $1 {(thematic unpining of Nf5)} (3. Qxh1 $2 Bxf5+ 4. Ng6+ (4. Kh6 Qf4+ 5. Kh5 Be7) 4... Bxg6+ 5. Kxg6 Qg4+ 6. Kf6 Bc3#) (3. d8=Q+ $2 Qxd8 4. Ng6+ Ke8 5. Ng7+ Kf7) 3... Kf7 4. Nh6+ {(thematic unpinning of the queen)} (4. Qxh1 $2 Bxf5 5. Qh6 Qxd7 6. Qg7+ Ke6 7. Qxd7+ Kxd7 8. c4 Bd3 9. Kh6 Bc3) 4... Kf6 5. d8=Q+ $1 Qxd8 6. Qc3+ $1 Bxc3 {A stalemate with 2 pins.} (6... Ke6 7. Qe5+ Kd7 8. Qxe4 Rb1 9. c3) 1/2-1/2

[Event ".p Tidskrift for Schack"] [Site "?"] [Date "1990"] [Round "?"] [White "Lewandowski=A"] [Black "(=0331.10c5g6)"] [Result "1/2-1/2"] [SetUp "1"] [FEN "1r6/8/P5k1/2K5/8/2b1N3/8/8 w - - 0 1"] [PlyCount "15"] [EventDate "1990"] 1. a7 $1 (1. Nc2 $2 Ba5 2. Nb4 Bb6+ $1 (2... Bxb4+ $2 3. Kc6 Ba5 4. a7 Rb6+ 5. Kc7) 3. Kc6 Bg1 4. Nd5 Ra8 5. Nc7 Ra7) 1... Ra8 2. Nd5 Be1 3. Ne7+ Kf7 { and now the punch line of the study} 4. Nc8 $1 Bf2+ (4... Rxc8+ 5. Kb6 Re8 6. Kb7 Re7+ 7. Ka6) 5. Kc6 Bxa7 6. Kb7 Rb8+ 7. Kc7 Ra8 8. Kb7 {positional draw.} 1/2-1/2

[Event "1.hm Schakend Nederland"] [Site "?"] [Date "1990"] [Round "?"] [White "Lewandowski=A"] [Black "(+0426.11h5e4)"] [Result "1-0"] [SetUp "1"] [FEN "8/8/6R1/3n3K/2B1k2P/7p/6n1/B4r2 w - - 0 1"] [PlyCount "19"] [EventDate "1990"] 1. Re6+ (1. Bxf1 $2 Ngf4+ 2. Kh6 h2 $19) 1... Kf5 (1... Kf3 2. Bxd5+ Kg3 3. Be5+ Nf4+ 4. Kg5 h2 5. Rf6) (1... Kf4 2. Bxf1 {and the king blocks the f4-square with his knights.}) 2. Re5+ Kf4 3. Bxf1 Nf6+ 4. Kg6 Nxh4+ 5. Kxf6 h2 {Black seems to have achieved his goal, as the h2 pawn is very threatening. But the final word belongs to White:} 6. Bg2 $1 ({Try:} 6. Re1 $2 h1=Q 7. Be5+ Kg4 8. Be2+ Nf3 9. Rxh1 {and we have a beautiful model stalemate in the middle of the chessboard with the knight pinned.}) ({The second try:} 6. Rf5+ $2 Nxf5 7. Be5+ Kf3 8. Bxh2 {and the balance of forces promises a win for White, but after} Ne3 $1 {and there is no defence against the exchange of the knight for a bishop.}) 6... Nxg2 7. Rh5 (7. Rf5+ $2 Kg4 8. Rf1 Ne3 9. Rh1 Kf3 10. Be5 Ng4+ ) 7... Nh4 $1 {The last trap} 8. Be5+ (8. Rxh4+ Kg3 9. Rh7 Kg2) 8... Kg4 9. Rg5+ $1 Kh3 10. Rg3# {A model mate with two blocked squares.} 1-0

[Event "1.p Szachista"] [Site "?"] [Date "1991"] [Round "?"] [White "Lewandowski=A"] [Black "(=0371.30f5d3)"] [Result "1/2-1/2"] [SetUp "1"] [FEN "5B2/4P3/2P5/5K1b/3r4/3k1P2/8/N3b3 w - - 0 1"] [PlyCount "18"] [EventDate "1991"] 1. Nb3 Rc4 (1... Rd6 2. e8=Q) 2. e8=Q $1 {Introduction of the bishop to the game.} Bxe8 3. Nc5+ Ke3 4. c7 Rf4+ 5. Ke5 $1 (5. Ke6 $2 Rxf8 6. c8=Q Bf7+) (5. Kg5 $2 Bh4+ 6. Kh6 Rf6+ 7. Kh7 Rf7+) 5... Rxf8 (5... Bc3+ 6. Kd6 Rf6+ 7. Ne6) 6. c8=Q Bg3+ 7. f4 $1 {Giving up a pawn in order to achieve a stalemate.} Bxf4+ 8. Kd5 Bf7+ 9. Ne6 Rxc8 {A model stalemate in the middle of the board with pinned knight.} 1/2-1/2

[Event "3.p The Problemist"] [Site "?"] [Date "1990"] [Round "?"] [White "Lewandowski=A"] [Black "(=4735.10h3f1)"] [Result "1/2-1/2"] [SetUp "1"] [FEN "3Q4/1qr2N2/4r3/8/3n3R/6PK/b7/2N2k2 w - - 0 1"] [PlyCount "14"] [EventDate "1990"] 1. Rf4+ (1. Rxd4 $2 Qh1+ 2. Kg4 Re4+ 3. Rxe4 Qxe4+ 4. Kg5 Qd5+) 1... Ke1 (1... Nf3 2. Qd1+ Kf2 3. Qd2+) 2. Qxd4 (2. Nd3+ $2 Ke2 3. Qxd4 Qh1+ 4. Kg4 Rg6+ 5. Ng5 Be6+ 6. Rf5 Qf3+) 2... Qh1+ {After other moves Black will even loses.} ( 2... Rd7 3. Qc3+ Rd2 4. Nd3+ Ke2 5. Rf2+) 3. Kg4 Rg6+ (3... Rxf7 4. Qf2+ Kd1 5. Rd4+ Kxc1 6. Qd2+ Kb1 7. Rb4+) 4. Ng5 $1 (4. Kf5 $2 Rxf7+ 5. Kxg6 Qh7+ 6. Kg5 Qg8+) 4... Be6+ 5. Rf5 Rc4 (5... Bxf5+ 6. Kxf5 Rxg5+ 7. Kxg5 Rxc1 8. Qe3+ { perpetual check.}) {Now it seems that White must lose because the queen is lost, but follows} 6. Nd3+ Kd2 7. Nf4+ Rxd4 {A fantastic stalemate with 3 pinned pieces.} 1/2-1/2

[Event "2.p Tidskrift for Schack"] [Site "?"] [Date "1991"] [Round "?"] [White "Lewandowski=A"] [Black "(=0075.11b3b5)"] [Result "1/2-1/2"] [SetUp "1"] [FEN "1b6/5N1B/2n5/1k6/3P4/1K6/2p5/1b3N2 w - - 0 1"] [PlyCount "16"] [EventDate "1991"] 1. Bd3+ ({Logical try (main plan):} 1. Bxc2 $2 Nxd4+ 2. Kc3 Nxc2 3. Kb2 (3. Nd2 Ba2 4. Nb3 Na1 5. Nd4+ Kc5 6. Ng5 Be5 7. Ngf3 Bf6 8. Kb2 Bd5) 3... Na3 4. Kxa3 Bf4 5. Nd8 Bd3 6. Ne6 Bd6+) 1... Ka5 ({After} 1... Kb6 {(main B) the main plan can be played, but for a different reason:} 2. Bxc2 Nxd4+ 3. Kc3 Nxc2 4. Nd2 $1 {Not} (4. Kb2 $2 Na3 5. Kxa3 Bf4 6. Ne5 Bxe5 7. Nd2 Bd3) 4... Ba2 5. Nc4+ Kc7 ( 5... Kb7 6. Nfd6+) (5... Ka7 6. Nfe5 Ne3 7. Nc6+) (5... Ka6 6. Nfe5 Ne3 7. Nc6) 6. Nfe5 (6. Nfd6 $2 Na3) 6... Ne1 7. Kb2 Nd3+ 8. Kxa2) {The man plan works now. } 2. Bxc2 Nxd4+ 3. Kc3 (3. Kb2 $2 Bxc2 4. Kc3 Bg6 5. Nd8 Nb5+) 3... Nxc2 4. Kb2 $1 ({Not} 4. Nd2 $2 Ba2 5. Nc4+ Ka4 6. Nfe5 Ne3 7. Nc6 Bf4) 4... Na3 5. Kxa3 Bf4 {and now 6. Nd8? loses as in the try 1. Bxc2?, but an unexpected new possibility arises:} 6. Ne5 Bxe5 7. Nd2 Bd3 (7... Bd6+ 8. Kb2 Bd3 9. Kc3) 8. Nc4+ Bxc4 {stalemate.} 1/2-1/2

[Event "Die Schwalbe"] [Site "?"] [Date "1991"] [Round "?"] [White "Lewandowski=A"] [Black "(+0500.13e6h5) (c)"] [Result "1-0"] [SetUp "1"] [FEN "7r/5R2/2R1Kp2/7k/5p2/4P3/3p4/8 w - - 0 1"] [PlyCount "15"] [EventDate "1991"] 1. Rd7 (1. Rd6 $2 fxe3 2. Kf5 e2 3. Rd8 Rh6 4. Rxd2 e1=Q 5. Rh2+) 1... fxe3 2. Kf5 e2 3. Rc8 $1 (3. Rcc7 $2 Kh4 $1 4. Rd3 (4. Rd4+ Kh3 5. Rc3+ Kg2 6. Rxd2 Re8 ) 4... Rh5+ 5. Kg6 Rg5+ 6. Kxf6 d1=Q) 3... Rh6 4. Rxd2 e1=Q 5. Rh2+ Qh4 6. Rcc2 $1 {and an astonishing position has arisen: Black has a huge material advantage, his move, but his pieces are paralyzed. Any of rook moves, for example} Rh7 {is met by} 7. Rxh4+ Kxh4 8. Rh2+ 1-0

[Event "Schakend Nederland"] [Site "?"] [Date "1991"] [Round "?"] [White "Lewandowski=A"] [Black "(=0341.20c4c6)"] [Result "1/2-1/2"] [SetUp "1"] [FEN "8/8/P1k3bN/8/2K5/8/P4r2/5B2 w - - 0 1"] [PlyCount "16"] [EventDate "1991"] 1. a7 (1. Bd3 $2 Rf4+ 2. Kc3 Rf3 $19) 1... Kb7 2. Bh3 Rh2 3. Bc8+ $1 Kxa7 4. Nf5 (4. Ng8 $2 Bf7+) (4. Ng4 $2 Rc2+) 4... Rc2+ 5. Kb4 Rxc8 6. Ne7 $1 {First fork.} Rb8+ 7. Ka3 Be8 (7... Rb6 8. Nc8+ {second fork}) 8. Nc6+ $1 {Third fork. } Bxc6 {stalemate.} 1/2-1/2

[Event "Schweizerische Schachzeitung"] [Site "?"] [Date "1991"] [Round "?"] [White "Lewandowski=A"] [Black "(+0352.00f2c3)"] [Result "1-0"] [SetUp "1"] [FEN "1b6/8/8/8/3r4/2k5/1N1N1K1B/7B w - - 0 1"] [PlyCount "15"] [EventDate "1991"] 1. Ne4+ $1 (1. Bxb8 $2 Rxd2+ $10) 1... Rxe4 2. Bxb8 {White has a winning balance of forces, but after} Rb4 {it turns out that he loses a piece.} (2... Re8 3. Na4+ Kb4 4. Bd5) 3. Nd1+ (3. Be5+ $2 Kc2 $10) 3... Kd2 4. Bd6 Rb1 (4... Rb6 5. Ne3 $1 Rxd6 6. Nc4+) 5. Be4 Rxd1 6. Bb4+ Kc1 7. Ke2 $1 {Domination.} Rd8 (7... Kb2 8. Kxd1) 8. Ba3# 1-0

[Event "1.p Phenix"] [Site "?"] [Date "1991"] [Round "?"] [White "Lewandowski=A"] [Black "(=0625.01c4h4) (c)"] [Result "1/2-1/2"] [SetUp "1"] [FEN "5r2/8/5nrp/B7/2K3Bk/7N/8/2N5 w - - 0 1"] [PlyCount "19"] [EventDate "1991"] 1. Bf5 Rg4+ $1 {An exchange sacrifice and the Umnov theme.} (1... Rg7 2. Be1+) (1... Rg3 2. Ne2 $1 Ng4 3. Nxg3 $11) 2. Bxg4 Nxg4 {Black is winning a knight. Fortunately White can choose which one.} 3. Ng1 $1 Rc8+ 4. Kb3 $1 Rxc1 5. Bd8+ Kh5 6. Ne2 {One of the threats is Nf4#.} Rb1+ 7. Kc2 $1 (7. Ka2 $2 Rb4 8. Ka3 Rc4 9. Kb3 Ne5 $1 $19) 7... Rb4 8. Kc3 Ra4 9. Kb3 {The rook can't leave the 4th rank because of mate.} Re4 10. Ng3+ {draw.} 1/2-1/2

[Event ".c Springaren"] [Site "?"] [Date "1993"] [Round "?"] [White "Lewandowski=A"] [Black "(=0462.10g4c2)"] [Result "1/2-1/2"] [SetUp "1"] [FEN "1R6/N7/8/2r5/b5K1/8/P1k4b/2N5 w - - 0 1"] [PlyCount "19"] [EventDate "1993"] {The Rb8 and Nc1 are attacked, so White must play hard.} 1. Rb2+ $1 (1. Rh8 $2 Be5 2. Nc8 Bd7+ {You can see in this variant the advantage of the bishops over the knights in open positions.}) 1... Kxb2 2. Nd3+ Ka1 $1 ({(a)} 2... Kxa2 { (or Kb1)} 3. Nxc5 Bd1+ 4. Kh3 Bg1 5. Ne4 Bxa7 6. Nc3+) ({(b)} 2... Ka3 3. Nxc5 Bd1+ 4. Kh3 Bg1 5. Nb5+ Kb4 6. Ne4 Kxb5 7. Nc3+) ({(c)} 2... Kc3 3. Nxc5 Bd1+ 4. Kh3 Bg1 5. Ne4+ Kd3 6. Nb5 Kxe4 7. Nc3+) (2... Kc2 3. Nxc5 {(Bd1+??)}) 3. Nxc5 Bd1+ 4. Kh3 $1 {The only safe square for the king. Only here he will not be exposed to checks on the 7th move.} (4. Kh4 $2 Bg1 5. Nb3+ Kxa2 6. Nc1+ Kb2 7. Nb5 Bf2+ 8. Kh3 Kxc1) (4. Kf5 $2 Bg1 5. Nb3+ Kxa2 6. Nc1+ Kb2 7. Nb5 Bc2+) ( 4. Kg5 $2 Bg1 5. Nb3+ Kxa2 6. Nc1+ Kb2 7. Nb5 Be3+) 4... Bg1 5. Nb3+ Kxa2 6. Nc1+ Kb1 7. Nb5 $1 Kxc1 8. Nc3 Bh5 {The bishop must control the e2-square.} 9. Kh4 Bf3 10. Kg3 {positional draw.} 1/2-1/2

[Event "16.p WCCT5 ty"] [Site "?"] [Date "1996"] [Round "?"] [White "Lewandowski=A"] [Black "(+0340.20b1d4) TT"] [Result "1-0"] [SetUp "1"] [FEN "7b/8/1P5P/8/3k4/B7/5r2/1K6 w - - 0 1"] [PlyCount "15"] [EventDate "1996"] {THEME. White wins by avoiding a stalemate with the black king in the middle of the chessboard.} 1. b7 Rf1+ $1 2. Kc2 $1 (2. Ka2 $2 Kc4 3. Bb2 Rf8) 2... Rf2+ 3. Kb3 Be5 4. h7 (4. Bb2+ $2 Rxb2+ 5. Kxb2 Kc5+) 4... Rh2 5. Bb2+ Kc5 $1 6. Bxe5 Rxh7 7. Bg7 $1 ({Thematic try:} 7. b8=Q $2 Rb7+ 8. Qxb7 {stalemate.}) 7... Rxg7 8. b8=Q 1-0

[Event "4/5.p Shakhmatnaya Kompozitsia"] [Site "?"] [Date "1994.07.27"] [Round "?"] [White "Lewandowski=A"] [Black "(=0331.10e5a2)"] [Result "1/2-1/2"] [SetUp "1"] [FEN "1r6/8/P7/4K3/1b6/8/k1N5/8 w - - 0 1"] [PlyCount "19"] [EventDate "1994.07.27"] 1. Kd5 (1. a7 $2 Bc3+) 1... Ba5 $1 2. Nb4+ $1 Kb3 $1 (2... Bxb4 3. Kc6 Ba5 4. a7 Rb6+ 5. Kc7) (2... Rxb4 3. a7) 3. Nc6 $1 (3. Kc6 $2 Rb6+ 4. Kc5 Rxb4 5. a7 Bb6+) 3... Rb5+ 4. Kd6 (4. Ke4 $2 Bb6 5. a7 Bxa7 6. Nxa7 Rc5 7. Kd4 Kb4 $19) 4... Rb6 5. a7 $1 ({An attempt to obtain an analogous positional draw as in the solution fails:} 5. Kc5 $2 Rxa6 6. Kb5 Rb6+ 7. Kc5 {with the help of the black king} Ka4 $1) 5... Ra6 6. Kd7 Bb6 7. Kc8 Bxa7 8. Kb7 Rb6+ 9. Kc7 Ra6 10. Kb7 {A positional draw because the black king is too far away and cannot help.} 1/2-1/2

[Event "2.p Springaren"] [Site "?"] [Date "1996"] [Round "?"] [White "Lewandowski=A"] [Black "(=0340.20d5g5)"] [Result "1/2-1/2"] [SetUp "1"] [FEN "8/8/1P6/3K2k1/8/8/B6P/3b1r2 w - - 0 1"] [PlyCount "17"] [EventDate "1996"] {White's hope for a draw is the advanced b-pawn, but the immediate 1. b7? loses after 1... Bf3+. Nothing is gained by bringing the king closer 1. Kd6? Rf6+ 2. Kc7 Kf3 wins. Unexpected} 1. h4+ $1 {forces the black king to leave his most favourable square g5} (1. Kc6 $2 Rf6+ 2. Kb7 Bf3+ 3. Ka7 Rg6) (1. Kd6 $2 Rf6+ 2. Kc5 Bf3 3. Bd5 Rf5 4. b7 Rxd5+ 5. Kb6 Rd6+ 6. Kc7 Rc6+) (1. Bc4 $2 Rf6 2. Kc5 Bf3 3. Ba6 Rc6+ 4. Kb5 Rc1 5. Ka5 Ra1+) 1... Kxh4 { (loses control of the f6-square). After the other moves White must also play with precision:} ({(a)} 1... Kf6 {closes f-line} 2. Kd6 Bf3 3. Bd5 Bxd5 4. Kxd5 Ke7 5. b7 Rb1 6. Kc6 Kd8 7. h5) ({(b)} 1... Kg6 {exposes itself to the check} 2. Bb1+ Kf7 3. Be4 Rf6 4. b7 Rb6 5. Kc5) ({(c)} 1... Kh5 {(or Kh6) - removes control from square f6 as in main variation:} 2. Ke5) 2. Ke5 $1 ({Logical try (main plan)} 2. Kd6 $2 Rf6+ $1 3. Kc7 Bf3 4. b7 Rc6+ 5. Kd8 Rb6 {win. One has to get the black rook down on the e-line first (foreplan)}) (2. Ke6 $2 Bg4+ $19 ) (2. b7 $2 Bf3+ $19) 2... Re1+ (2... Rf8 3. b7 ({but not} 3. Bd5 $2 Rd8 4. b7 Kg3 5. Ke6 Bf3 6. Ke7 Rb8 $19) 3... Bf3 4. Bd5) (2... Bf3 3. Bd5 Re1+ 4. Kd6 { as in the main variation}) 3. Kd6 $1 {Main plan is succesful now.} Bf3 4. Bd5 $1 Rd1 5. b7 Rxd5+ 6. Kc7 Rc5+ 7. Kb6 Rc6+ 8. Ka5 Rc5+ 9. Kb6 {positional draw} 1/2-1/2

[Event "1.p Problemista-35 JT Problemista"] [Site "?"] [Date "1997"] [Round "?"] [White "Lewandowski=A"] [Black "(=4614.20a5c1)"] [Result "1/2-1/2"] [SetUp "1"] [FEN "n6Q/4B3/1Pr5/K6N/8/8/1qP4r/2k5 w - - 0 1"] [PlyCount "14"] [EventDate "1997"] 1. Bg5+ $1 {The main plan - the exchange of queens - does not lead to the goal. } (1. Qxb2+ $2 Kxb2 2. b7 Rxh5+ {(check!) The 5th line must first be closed.}) 1... Kxc2 2. Qxb2+ {Now!} (2. Qh7+ $2 Kb3 3. Qd3+ Qc3+) 2... Kxb2 3. b7 Rc5+ 4. Kb4 (4. Ka4 $2 Nb6+ 5. Kb4 Rxg5 6. b8=Q Rh4+ 7. Nf4 Rxf4+ 8. Qxf4 Nd5+) 4... Rxg5 5. b8=Q Rh4+ 6. Nf4 Nb6 {It seems that Black wins, because of the threat 7... Rxf4+ 8. Qxf4 Nd5+, but follows} 7. Qe5+ Rxe5 {stalemate.} 1/2-1/2

[Event "1.hm Grzeban MT Problemista"] [Site "?"] [Date "1992"] [Round "?"] [White "Lewandowski=A"] [Black "(+3141.12d7b8) (c)"] [Result "1-0"] [SetUp "1"] [FEN "1k6/3KN2B/p7/8/1P2R3/7p/7b/1q6 w - - 0 1"] [PlyCount "23"] [EventDate "1992"] 1. Nc6+ Kb7 2. Na5+ Ka7 3. Re7 $1 Qc1 $1 (3... Qe1 4. Rxe1) 4. Kd8+ Kb8 5. Rb7+ Ka8 6. Be4 {Another battery B-R (swapping roles)} Qg5+ (6... Qe3 7. Re7+ Kb8 8. Nc6+ Ka8 9. Kc8) 7. Re7+ Kb8 8. Nc6+ {Now White uses knight's maneuver and fourth battery (this time B-N) to unpin his rook.} Ka8 9. Ne5+ (9. Kc8 $2 Qg4+ 10. Rd7 Qxd7+ 11. Kxd7 Kb7 12. Nd4+ Kb6 13. Bc6) 9... Kb8 10. Nd7+ Ka7 11. Nf6+ $1 Kb8 12. Rb7+ 1-0