[Event "#2373 Chess: 5334 Problems, Combination"] [Site "Copyright 1994 Könemann"] [Date "1994.??.??"] [Round "?"] [White "Mate in two"] [Black "White to move"] [Result "*"] [SetUp "1"] [FEN "6B1/3PBP2/3Nk3/8/3K4/8/8/8 w - - 0 1"] [PlyCount "0"] [EventDate "1994.??.??"] * [Event "#2374 Chess: 5334 Problems, Combination"] [Site "Copyright 1994 Könemann"] [Date "1994.??.??"] [Round "?"] [White "Mate in two"] [Black "White to move"] [Result "*"] [SetUp "1"] [FEN "B7/3PBP2/3Nk3/8/3K4/8/8/8 w - - 0 1"] [PlyCount "0"] [EventDate "1994.??.??"] * [Event "#4886 Chess: 5334 Problems, Combination"] [Site "Stockholm"] [Date "1962.??.??"] [Round "?"] [White "Stein"] [Black "Portisch, Lajos"] [Result "*"] [PlyCount "41"] [EventDate "1962.??.??"] 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. O-O Qc7 7. Nd2 Nc6 8. Nxc6 bxc6 9. f4 Bc5+ 10. Kh1 d6 11. Nf3 e5 12. fxe5 dxe5 13. Nh4 O-O 14. Nf5 Be6 15. Qe2 a5 16. Bc4 Kh8 17. Bg5 Nd7 18. Rad1 Nb6 {Diagram} 19. Nxg7 Bxc4 { Or 19... Kxg7 20. Bf6+ Kg8 21. Qh5 Rfe8 (Polgar's ambiguous notation is 21 ... Re8 rather than Rfe8) 22. Qh6 Bf8 23. Qg5+ White is winning} 20. Bf6 Be7 { Or 20 ... Bxe2 21. Nf5+ Kg8 22. Nh6#} 21. Qf3 {White is winning} * [Event "#4887 Chess: 5334 Problems, Combination"] [Site "-"] [Date "1964.??.??"] [Round "?"] [White "Vaslanjan"] [Black "Hodos"] [Result "*"] [PlyCount "37"] [EventDate "1964.??.??"] 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nf6 7. Be3 Bb4 8. O-O Bxc3 9. bxc3 Nxe4 10. Bd3 Nf6 11. Re1 Nc6 12. Nf5 O-O {Diagram} 13. Nxg7 Kxg7 14. Bh6+ {Or 14 ... Kg8 15. Qf3! White is winning} Kxh6 15. Qd2+ Kh5 { Or 15 ... Kg7 16. Qg5+ Kh8 17. Qxf6+ Kg8 18. Re3 d5 19. Bxh7+! 1-0 Heinsohn - Bauer, Wittenberg 1965} 16. Re3 Qxh2+ 17. Kxh2 Ng4+ 18. Kh1 Nxe3 19. Qxe3 { White is winning} * [Event "#4880 Chess: 5334 Problems, Combination"] [Site "USA"] [Date "1948.??.??"] [Round "?"] [White "Araiza"] [Black "Larea"] [Result "*"] [PlyCount "37"] [EventDate "1948.??.??"] 1. e4 c5 2. Ne2 e5 3. Nbc3 Nc6 4. Ng3 Nd4 5. Bc4 a6 6. a4 b6 7. O-O Bb7 8. d3 Nf6 9. f4 d6 10. fxe5 dxe5 11. Bg5 Be7 12. Bxf6 Bxf6 13. Nh5 Rc8 {Diagram} 14. Nxg7+ {!} Bxg7 15. Rxf7 Rc7 16. Qh5 Nf3+ 17. Rxf3+ Kd7 18. Qg4+ Kc6 19. Qe6+ { Or 19 ... Qd6 20. Bd5# mate} * [Event "#4906 Chess: 5334 Problems, Combination"] [Site "Omsk 1943"] [Date "1943.??.??"] [Round "?"] [White "Boleslavsky"] [Black "Ufimcev"] [Result "*"] [PlyCount "52"] [EventDate "1943.??.??"] 1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. Nf3 b6 7. Bb5+ c6 8. Bc4 Ba6 9. Bb3 Qc7 10. c4 Nd7 11. O-O O-O-O 12. Qe2 Bd6 13. a4 Rhg8 14. a5 c5 15. axb6 Qxb6 16. Be3 Bb7 17. dxc5 Nxc5 18. Bd1 Rg4 19. Qd2 Ne4 20. Qa5 Rdg8 21. Ne1 {Diagram} (21. Bxb6 Rxg2+ 22. Kh1 Nxf2+ 23. Bxf2 Rxh2#) 21... Rxg2+ 22. Nxg2 Nd2 23. Qd5 (23. Bxb6 Rxg2+ 24. Kh1 Rxh2+ 25. Kg1 Rh1#) 23... Bxd5 24. cxd5 Qxb2 25. Bxd2 Qxa1 26. Bf3 Bxh2+ * [Event "#4909 Chess: 5334 Problems, Combination"] [Site "Frankfurt 1887"] [Date "1887.??.??"] [Round "?"] [White "Harmonist"] [Black "Burn"] [Result "*"] [PlyCount "34"] [EventDate "1887.??.??"] 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. Qd2 O-O 8. Nd1 f5 9. exf6 Qxf6 10. Bd3 e5 11. dxe5 Nxe5 12. Ne2 c5 13. c3 Bh3 14. Kf1 { Diagram} Bxg2+ 15. Kxg2 Qf3+ 16. Kg1 Qg4+ 17. Kf1 Qh3+ * [Event "#4946 Chess: 5334 Problems, Combination"] [Site "New York"] [Date "1898.??.??"] [Round "?"] [White "Showalter"] [Black "Pillsbury, Harry Nelson"] [Result "*"] [PlyCount "50"] [EventDate "1898.??.??"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d4 exd4 5. O-O a6 6. Ba4 Be7 7. Re1 O-O 8. e5 Ne8 9. Nxd4 Nxd4 10. Qxd4 d5 11. b4 c6 12. Bb2 Nc7 13. a3 a5 14. c3 Bf5 15. Qb6 Qc8 16. Nd2 Ne6 17. Nf3 Nf4 18. Bb3 {Diagram} Nxg2 19. Red1 (19. Kxg2 Bh3+ 20. Kh1 Qg4) 19... Be4 20. Nd2 Ra6 21. Qd4 Nf4 22. Qe3 Qg4+ 23. Kf1 Bd3+ 24. Qxd3 Qg2+ 25. Ke1 Nxd3+ * [Event "#4950 Chess: 5334 Problems, Combination"] [Site "Karlsbad"] [Date "1929.??.??"] [Round "?"] [White "Spielmann"] [Black "Grunfeld"] [Result "*"] [PlyCount "45"] [EventDate "1929.??.??"] 1. d4 d5 2. c4 e6 3. Nc3 dxc4 4. e4 c5 5. Nf3 cxd4 6. Nxd4 a6 7. Bxc4 Bd7 8. O-O Nc6 9. Nf3 Qc7 10. Qe2 Bd6 11. Rd1 Nge7 12. Be3 Ne5 13. Nxe5 Bxe5 14. g3 Bxc3 15. bxc3 Ng6 16. Bb3 O-O 17. Bd4 b5 18. Qe3 Bc6 19. h4 Qb7 20. h5 Ne7 { Diagram} 21. Bxg7 Kxg7 22. Qg5+ Ng6 23. h6+ {+-} * [Event "#4951 Chess: 5334 Problems, Combination"] [Site "Chicago"] [Date "1926.??.??"] [Round "?"] [White "Marshall"] [Black "Kupchik"] [Result "*"] [PlyCount "49"] [EventDate "1926.??.??"] 1. d4 Nf6 2. c4 c6 3. Nc3 d5 4. Nf3 e6 5. Bg5 Nbd7 6. cxd5 exd5 7. e3 Be7 8. Bd3 O-O 9. Qc2 Re8 10. O-O Nf8 11. Rae1 Be6 12. Ne5 N6d7 13. Bxe7 Rxe7 14. f4 f6 15. Nxd7 Qxd7 16. f5 Bf7 17. Rf3 Rae8 18. Qf2 h6 19. a3 Nh7 20. h4 Qd6 21. Rg3 Kh8 22. Ne2 b6 23. Nf4 c5 {Diagram} 24. Rxg7 Qd8 (24... Kxg7 25. Qg3+ Kh8 26. Ng6+) 25. Rg3 {+-} * [Event "#4958 Chess: 5334 Problems, Combination"] [Site "Silvaplana"] [Date "1993.??.??"] [Round "?"] [White "Hueppin"] [Black "Baumgartner"] [Result "*"] [PlyCount "50"] [EventDate "1993.??.??"] 1. d4 Nf6 2. Nf3 b6 3. c4 e6 4. Nc3 Bb4 5. Bd2 Bb7 6. e3 O-O 7. Be2 d6 8. O-O Nbd7 9. a3 Bxc3 10. Bxc3 Ne4 11. Rc1 a5 12. b4 f5 13. Bb2 Qe7 14. h3 g5 15. Nd2 Ndf6 16. Kh2 Qg7 17. f3 Nxd2 18. Qxd2 g4 19. Bd3 Qg5 20. f4 Qh5 21. Be2 { Diagram #} Bxg2 22. Kxg2 Qxh3+ 23. Kg1 Ne4 24. Qe1 Qxe3+ 25. Kg2 Qh3+ * [Event "#4959 Chess: 5334 Problems, Combination"] [Site "?"] [Date "1948.??.??"] [Round "?"] [White "Botwinnik"] [Black "Keres"] [Result "*"] [PlyCount "45"] [EventDate "1948.??.??"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. a3 Bxc3+ 6. bxc3 Re8 7. Ne2 e5 8. Ng3 d6 9. Be2 Nbd7 10. O-O c5 11. f3 cxd4 12. cxd4 Nb6 13. Bb2 exd4 14. e4 Be6 15. Rc1 Re7 16. Qxd4 Qc7 17. c5 dxc5 18. Rxc5 Qf4 19. Bc1 Qb8 20. Rg5 Nbd7 { Diagram #} 21. Rxg7+ Kxg7 22. Nh5+ Kg6 (22... Kf8 23. Nxf6 Nxf6 24. Qxf6 Rd7 25. Bg5 Kg8 26. Bh6 {+-}) 23. Qe3 {+-} * [Event "#4962 Chess: 5334 Problems, Combination"] [Site "Mexico City MEX"] [Date "1932.??.??"] [Round "?"] [White "Soto-Larrea"] [Black "Brunner"] [Result "*"] [PlyCount "41"] [EventDate "1932.??.??"] 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. e3 Bb4 6. Bd2 O-O 7. Bd3 d6 8. O-O Nbd7 9. a3 Bxc3 10. Bxc3 Qe7 11. Qc2 e5 12. e4 exd4 13. Nxd4 Ne5 14. Nf5 Qe6 15. f3 a5 16. Rad1 Nxd3 17. Qxd3 Ra6 18. Qe3 Ne8 {Diagram} 19. Bxg7 Nxg7 20. Qg5 Qe5 21. f4 (21. f4 Qxb2 22. e5 {+-}) *