| ECO A01 in 2008 play it! deepblue defeats white's zach ziegler by checkmate in 46 moves | 1. b3 d5 2. d4 e5 3. dxe5 Nc6 4. Nf3 Bg4 5. c3 Nge7 6. Bg5 h6 7. Bh4 g5 8. Bg3 Nf5 9. Qd3 Nxg3 10. hxg3 a6 11. e4 Qe7 12. Ke2 dxe4 13. Qxe4 f5 14. Qe3 O-O-O 15. e6 Rd6 16. Qxg5 hxg5 17. Rh6 Rxh6 18. Nd2 Rhxe6+ 19. Kd1 Bxf3+ 20. gxf3 Re1+ 21. Kc2 Rxa1 22. Nc4 Qe1 23. a4 Qc1# |
| ECO A01 in 2008 play it! deepblue defeats white's zach ziegler in 54 moves | 1. b3 d5 2. d4 e5 3. dxe5 Nc6 4. Nf3 Bg4 5. c3 Nge7 6. Ba3 Ng6 7. h3 Bxf3 8. gxf3 Bxa3 9. Nxa3 O-O 10. e4 Ncxe5 11. Nb5 a6 12. Na3 Qf6 13. Be2 Nf4 14. Kf1 Nxe2 15. Qxe2 Nxf3 16. exd5 Qxc3 17. Rd1 Rfe8 18. Qc2 Re1+ 19. Rxe1 Qxe1+ 20. Kg2 Nh4+ 21. Kg3 Qe5+ 22. f4 Qe3+ 23. Kh2 Qxf4+ 24. Kg1 Re8 25. Qf2 Qc1+ 26. Kh2 Qxa3 27. Qxh4 Qd6+ |
| ECO A01 in 2008 play it! deepblue defeats white's zach ziegler by checkmate in 48 moves | 1. b3 d5 2. d4 e5 3. dxe5 Nc6 4. Nf3 Bg4 5. c3 Nge7 6. Qd3 Qd7 7. e4 dxe4 8. Qxe4 O-O-O 9. Nbd2 Bf5 10. Qf4 Nd5 11. Qc4 Re8 12. Be2 Nxe5 13. Nxe5 Rxe5 14. Kf1 Be7 15. a4 h5 16. b4 c6 17. b5 Re6 18. bxc6 Qxc6 19. Qxc6+ Rxc6 20. c4 Nf4 21. Bf3 Re6 22. Bc6 Bd3+ 23. Kg1 Re1+ 24. Nf1 Rxf1# |
| ECO A01 in 2008 play it! deepblue defeats white's zach ziegler by checkmate in 98 moves | 1. b3 d5 2. d4 e5 3. dxe5 Nc6 4. Nf3 Bg4 5. c3 Nge7 6. Qd3 Qd7 7. Bf4 Ng6 8. g3 O-O-O 9. Nbd2 Bf5 10. Qe3 Re8 11. Bg2 f6 12. Nh4 Nxh4 13. gxh4 fxe5 14. Bg3 Ba3 15. O-O Rhf8 16. Bf3 g6 17. c4 d4 18. Qh6 e4 19. Bg2 Rf7 20. h5 Bf8 21. Qf4 Bg4 22. Qg5 Bxe2 23. Bxe4 Bxf1 24. hxg6 hxg6 25. Rxf1 Rg7 26. Rd1 a6 27. a4 Bb4 28. f3 Re6 29. Qg4 Kb8 30. Bf4 Rh7 31. Bg3 Rf6 32. Qg5 Qe7 33. Qg4 Ne5 34. Bxe5 Qxe5 35. Nf1 c6 36. Ng3 d3 37. Nf1 d2 38. Rxd2 Bxd2 39. Kg2 Qb2 40. Kh1 Bf4 41. Qg2 Qxb3 42. Bxg6 Rh6 43. Bc2 Qxc4 44. Bf5 Rxf5 45. h4 Rg5 46. Ng3 Qc1+ 47. Qf1 Rxg3 48. Kh2 Qxf1 49. a5 Rxf3# |
| ECO A01 in 2008 play it! deepblue defeats white's zach ziegler by checkmate in 36 moves | 1. b3 d5 2. d4 e5 3. dxe5 Nc6 4. Nf3 Bg4 5. c3 Nge7 6. Qd3 Qd7 7. e4 dxe4 8. Qxe4 O-O-O 9. Nbd2 Bf5 10. Qa4 Nd5 11. Qf4 Nxf4 12. h3 Nd3+ 13. Bxd3 Qxd3 14. Rb1 Bc5 15. a4 Nxe5 16. Ba3 Nxf3+ 17. gxf3 Qxd2+ 18. Kf1 Qxf2# |
| ECO A01 in 2008 play it! deepblue defeats white's zach ziegler in 128 moves | 1. b3 d5 2. d4 e5 3. dxe5 Nc6 4. Nf3 Bg4 5. c3 Nge7 6. Ba3 Ng6 7. h3 Bxf3 8. exf3 Bxa3 9. Nxa3 Qe7 10. Nc2 Qxe5+ 11. Qe2 O-O-O 12. Qxe5 Ncxe5 13. O-O-O c6 14. Nd4 Rhg8 15. Kb1 a6 16. Nf5 Kc7 17. c4 dxc4 18. Bxc4 Nxc4 19. Rxd8 Rxd8 20. bxc4 Ne5 21. Re1 Nxc4 22. Re7+ Rd7 23. Rxd7+ Kxd7 24. Nxg7 Kd6 25. Kc2 Ke5 26. Kd3 b5 27. g3 Kd5 28. Nf5 Ne5+ 29. Ke3 c5 30. g4 b4 31. g5 c4 32. f4 Ng6 33. Nh6 b3 34. axb3 cxb3 35. Kd3 Nxf4+ 36. Kc3 Nxh3 37. Nxf7 Nxf2 38. Kxb3 Ne4 39. Kb4 Ke6 40. Nd8+ Kd6 41. Nf7+ Ke7 42. Nh6 Nxg5 43. Ka5 Ke6 44. Kxa6 Nf7 45. Ng4 h5 46. Ne3 Ke5 47. Ng2 Ke4 48. Nh4 Kf4 49. Kb5 Kg4 50. Ng2 Nh6 51. Kc5 Kg3 52. Ne3 h4 53. Nc4 h3 54. Nb6 h2 55. Kd4 h1=Q 56. Nc4 Nf5+ 57. Kc3 Qf3+ 58. Kb4 Qb7+ 59. Ka4 Qe4 60. Kb3 Qd5 61. Kc3 Qd4+ 62. Kb3 Qd3+ 63. Kb4 Ne3 64. Na5 Qe4+ |
| ECO A01 in 2008 play it! deepblue defeats white's zach ziegler by checkmate in 60 moves | 1. b3 d5 2. d4 e5 3. dxe5 Nc6 4. f4 Bf5 5. c3 Bc5 6. Nf3 Nge7 7. b4 Bb6 8. b5 Na5 9. Nd4 O-O 10. Nxf5 Nxf5 11. Qd3 Ne7 12. Ba3 Re8 13. Nd2 c6 14. e4 cxb5 15. Qxb5 Be3 16. f5 dxe4 17. Nxe4 Nxf5 18. g3 a6 19. Qd3 Rxe5 20. Rd1 Qb6 21. Be2 Rae8 22. Rf1 Rxe4 23. Qxa6 bxa6 24. Rxf5 Bf2+ 25. Kf1 Rxe2 26. Rxf7 Kxf7 27. Rd7+ Kg8 28. Rxg7+ Kxg7 29. g4 Bc5 30. h4 Qf6# |
| ECO A01 in 2008 play it! deepblue defeats white's zach ziegler in 114 moves | 1. b3 d5 2. d4 e5 3. dxe5 Nc6 4. Nf3 Bg4 5. c3 Nge7 6. h3 Bxf3 7. exf3 Nxe5 8. Be2 g6 9. Bg5 Bg7 10. O-O c6 11. f4 Nd7 12. Bxe7 Qxe7 13. Re1 O-O-O 14. Bd3 Qh4 15. f5 Nc5 16. fxg6 hxg6 17. Qf3 Nxd3 18. Qxd3 Rde8 19. Nd2 Qf6 20. Rxe8+ Rxe8 21. Rc1 Qe5 22. a4 Qe2 23. Qxe2 Rxe2 24. Nf3 Kd7 25. c4 Bb2 26. Rd1 Kd6 27. Kf1 Rc2 28. cxd5 cxd5 29. Rd2 Rc1+ 30. Ke2 Bf6 31. Ke3 b6 32. Rd3 Bb2 33. Nd4 Kc5 34. Nb5 a6 35. Nc7 d4+ 36. Ke2 a5 37. Nb5 Kd5 38. g3 Rc2+ 39. Rd2 Rxd2+ 40. Kxd2 Ke4 41. Ke2 d3+ 42. Kd2 f5 43. Nd6+ Kf3 44. Kxd3 Kxf2 45. Nc4 Bf6 46. g4 Bd8 47. Ne5 Kg3 48. Nxg6 f4 49. Ne5 f3 50. Ke3 f2 51. Nf7 Bh4 52. Ke2 Kg2 53. Ke3 f1=Q 54. Ne5 Qe1+ 55. Kd4 Bf6 56. Kd5 Qxe5+ 57. Kc6 Qc5+ |
| ECO A01 in 2008 play it! deepblue defeats white's zach ziegler by checkmate in 92 moves | 1. b3 d5 2. d4 e5 3. dxe5 Nc6 4. Nf3 Bg4 5. c3 Nge7 6. Be3 Bxf3 7. exf3 Nxe5 8. f4 N5c6 9. Bd3 g6 10. O-O Bg7 11. Bc5 b6 12. Ba3 a6 13. Re1 O-O 14. Qe2 Rc8 15. Bxe7 Nxe7 16. Qe4 dxe4 17. Bxe4 c6 18. g3 Re8 19. Bf3 Nd5 20. Rd1 Qc7 21. a4 Bxc3 22. Nxc3 Nxc3 23. Rd3 Ne4 24. Re1 Nc5 25. Rde3 Rxe3 26. Rxe3 Rd8 27. Kg2 Kg7 28. f5 gxf5 29. Rc3 a5 30. h4 Rd2 31. Re3 f4 32. Re2 Nxb3 33. Rxd2 Nxd2 34. h5 f5 35. g4 Nxf3 36. Kxf3 Qe5 37. gxf5 b5 38. f6+ Kxf6 39. Kg2 bxa4 40. Kf3 a3 41. Kg4 a4 42. h6 a2 43. Kf3 a1=Q 44. Kg2 Qd5+ 45. Kh3 Qg1 46. f3 Qg3# |
| ECO A01 in 2008 play it! deepblue defeats white's zach ziegler by checkmate in 58 moves | 1. b3 d5 2. d4 e5 3. dxe5 Nc6 4. Nf3 Bg4 5. c3 h6 6. Nbd2 Nge7 7. h3 Bxf3 8. Nxf3 Ng6 9. Qd3 Ngxe5 10. Nxe5 Nxe5 11. Qb5+ c6 12. Qxb7 Bc5 13. f4 Rb8 14. e4 Rxb7 15. fxe5 Qh4+ 16. Kd1 Qxe4 17. Bd2 O-O 18. b4 Bf2 19. a4 Re8 20. b5 Rxe5 21. Kc1 Be1 22. h4 Bxd2+ 23. Kxd2 d4 24. Ra3 Qe1+ 25. Kc2 d3+ 26. Kb3 Rbxb5+ 27. axb5 Rxb5+ 28. Ka4 Qe4+ 29. c4 Qxc4# |
| ECO A01 in 2008 play it! deepblue defeats white's zach ziegler by checkmate in 34 moves | 1. b3 d5 2. d4 e5 3. dxe5 Nc6 4. Nf3 Bg4 5. c3 Nge7 6. Qd3 Qd7 7. e4 dxe4 8. Qxe4 O-O-O 9. Nbd2 Bf5 10. Qa4 Nd5 11. Qf4 Nxf4 12. a3 Nd3+ 13. Bxd3 Qxd3 14. Ra2 Be7 15. c4 Bg4 16. h3 Bxf3 17. Rc2 Qe2# |
| ECO A01 in 2008 play it! deepblue defeats white's zach ziegler by checkmate in 116 moves | 1. b3 d5 2. d4 e5 3. dxe5 Nc6 4. Nf3 Bg4 5. c3 Nge7 6. Qd3 Qd7 7. e4 O-O-O 8. Nbd2 Bxf3 9. Qxf3 Nxe5 10. Qg3 f6 11. Bd3 dxe4 12. Bxe4 Nd3+ 13. Qxd3 Qxd3 14. Bxd3 Rxd3 15. Nb1 Nf5 16. g4 Nh4 17. Be3 Bd6 18. Ke2 Rd5 19. c4 Re5 20. Kd3 Rd8 21. Kc2 Nf3 22. Bxa7 b6 23. Nc3 Kb7 24. Bxb6 cxb6 25. Rad1 Ree8 26. h3 g6 27. Rd5 Be5 28. Rhd1 Rxd5 29. Nxd5 Bd4 30. Kd3 f5 31. gxf5 gxf5 32. Ne3 f4 33. Nd5 Be5 34. a4 h5 35. Rf1 Rg8 36. Rd1 Rg2 37. Ke4 Rxf2 38. Nxf4 Bxf4 39. Rd4 Nxd4 40. Kxd4 Rb2 41. Ke4 Bg3 42. Kd5 Rxb3 43. c5 Ra3 44. cxb6 Rxa4 45. Kc5 Rh4 46. Kd5 Kxb6 47. Ke6 Rxh3 48. Kd5 Rh4 49. Ke6 Rd4 50. Ke7 h4 51. Ke6 h3 52. Kf5 Kc5 53. Ke6 Rd5 54. Ke7 Rd6 55. Ke8 h2 56. Ke7 h1=Q 57. Ke8 Qb7 58. Kf8 Rd8# |
| ECO A01 in 2008 play it! deepblue defeats white's zach ziegler by checkmate in 114 moves | 1. b3 d5 2. d4 e5 3. dxe5 Nc6 4. Nf3 Bg4 5. c3 h6 6. Nbd2 Nge7 7. h3 Bf5 8. e3 a6 9. Be2 Qd7 10. g4 Bg6 11. Ba3 Qe6 12. Bc5 Nxe5 13. O-O N7c6 14. Bxf8 Rxf8 15. Nd4 Qd6 16. Nxc6 Nxc6 17. Qc1 O-O-O 18. Rd1 Ne5 19. Nc4 Nxc4 20. bxc4 Qe5 21. Rxd5 Rxd5 22. cxd5 Qxd5 23. Qa3 Re8 24. Rd1 Qc6 25. Qb3 f6 26. a4 Re7 27. Qg8+ Be8 28. Rb1 Qxa4 29. Bd3 b6 30. Qd5 Bc6 31. Bf5+ Kb7 32. Qg8 Ka7 33. Qd8 Qa3 34. e4 Qc5 35. Rb4 b5 36. Kg2 a5 37. Rd4 Bb7 38. f4 Qxc3 39. Qxe7 Qb2+ 40. Kf1 Qxd4 41. Qxc7 Qc4+ 42. Qxc4 bxc4 43. Ke1 a4 44. Kd1 a3 45. Kc1 c3 46. Kb1 Kb6 47. e5 Bd5 48. Ka1 a2 49. h4 Kc5 50. h5 fxe5 51. g5 exf4 52. Bc8 f3 53. Be6 Bxe6 54. g6 Kc4 55. Kxa2 f2 56. Ka3 f1=Q 57. Ka2 Kb4# |
| ECO A01 in 2008 play it! deepblue defeats white's zach ziegler by checkmate in 52 moves | 1. b3 d5 2. d4 e5 3. dxe5 Nc6 4. Nf3 Bg4 5. c3 Nge7 6. Bg5 h6 7. Bh4 g5 8. Bg3 Nf5 9. Qd3 Bc5 10. Qb5 Bb6 11. Nbd2 a6 12. Qa4 Nxg3 13. hxg3 Bd7 14. e6 fxe6 15. Rc1 Qe7 16. Qg4 O-O-O 17. e3 Qa3 18. Rc2 e5 19. Qh5 Bf5 20. Nb1 Qc5 21. Rc1 Bxb1 22. Rxb1 Qxc3+ 23. Kd1 d4 24. e4 d3 25. Be2 Qc2+ 26. Ke1 Qxe2# |
| ECO A01 in 2008 play it! deepblue defeats white's zach ziegler by checkmate in 116 moves | 1. b3 d5 2. d4 e6 3. e3 Nf6 4. Nf3 Nbd7 5. Bd3 Bd6 6. Nbd2 c5 7. c4 cxd4 8. exd4 Qa5 9. Bb2 dxc4 10. bxc4 O-O 11. O-O g6 12. g3 Qh5 13. Nh4 Qa5 14. f3 b6 15. Ne4 Nxe4 16. Bxe4 Rb8 17. Bc1 Nf6 18. Bh6 Rd8 19. Qd3 Bc5 20. Be3 Bxd4 21. Bxd4 e5 22. Bd5 exd4 23. Qxd4 Nxd5 24. cxd5 Qxd5 25. Qxd5 Rxd5 26. Rfd1 Rxd1+ 27. Rxd1 Be6 28. Rd2 Kg7 29. Kf2 Re8 30. Ng2 g5 31. Rc2 Re7 32. Ne3 f6 33. Re2 Kf7 34. f4 h5 35. h4 gxf4 36. gxf4 Bg4 37. Rd2 Re4 38. f5 Rf4+ 39. Kg2 Ke8 40. Rd6 Ke7 41. Rxb6 axb6 42. Nd5+ Kd6 43. Nxf4 Ke5 44. Kg3 b5 45. a3 Ke4 46. Ne6 Bxf5 47. Nc5+ Ke3 48. Nb7 Be4 49. Nd6 Bd3 50. Kh2 f5 51. Nf7 f4 52. Nd6 f3 53. Nf7 f2 54. a4 f1=Q 55. Ng5 Qe2+ 56. Kh1 Qf2 57. Nf3 Kxf3 58. a5 Qg2# |
| ECO A01 in 2008 play it! deepblue defeats white's zach ziegler by checkmate in 74 moves | 1. b3 d5 2. d4 e6 3. e3 Nf6 4. Nf3 Ne4 5. Bd2 Bd6 6. Nc3 Nxd2 7. Qxd2 Bd7 8. Nb5 Be7 9. Bd3 a6 10. Nc3 Nc6 11. a3 g6 12. O-O O-O 13. e4 dxe4 14. Nxe4 f5 15. Ng3 Bf6 16. c3 e5 17. dxe5 Nxe5 18. Nxe5 Bxe5 19. Bc4+ Kh8 20. Rfe1 Bg7 21. Rad1 Bc6 22. Qf4 Qf6 23. Qxc7 Qxc3 24. Re7 Rae8 25. Kh1 b5 26. Re4 Bxe4 27. Qf7 Bc2 28. Rf1 Rxf7 29. Bxf7 Re7 30. Bd5 f4 31. Nf5 Bxf5 32. Rg1 Qd4 33. Bc6 Qxf2 34. h3 Bd4 35. Rc1 Re1+ 36. Rxe1 Qxe1+ 37. Kh2 Qg1# |
| ECO A01 in 2008 play it! deepblue defeats white's zach ziegler by checkmate in 76 moves | 1. b3 d5 2. d4 e6 3. e3 Nf6 4. Nf3 c5 5. Nbd2 cxd4 6. exd4 Bb4 7. Bb5+ Bd7 8. Bxd7+ Nbxd7 9. O-O Bc3 10. Rb1 Rc8 11. Bb2 Qc7 12. Bxc3 Qxc3 13. Rc1 O-O 14. a4 g6 15. Re1 Qa5 16. c4 b6 17. Ne5 dxc4 18. bxc4 Rfd8 19. Ndf3 Nxe5 20. Nxe5 Nd7 21. Qc2 Nxe5 22. Rxe5 Qb4 23. Rb5 Qd6 24. Qf5 gxf5 25. d5 exd5 26. c5 Rxc5 27. Re1 Qe5 28. Reb1 Qe4 29. R5b3 Rdc8 30. Rg3+ Kh8 31. Rd3 Qxd3 32. h4 Qxb1+ 33. Kh2 Qe1 34. Kh3 Qh1+ 35. Kg3 Rg8+ 36. Kf4 Qxh4+ 37. Ke5 Qe4+ 38. Kd6 Rd8# |
| ECO A01 in 2008 play it! deepblue defeats white's zach ziegler by checkmate in 84 moves | 1. b3 d5 2. d4 e6 3. e3 Nf6 4. Nf3 Ne4 5. c3 Nc6 6. Bd3 Bd6 7. Qc2 f5 8. Ba3 O-O 9. Bxd6 Qxd6 10. O-O Bd7 11. Nbd2 Rad8 12. a4 a6 13. Be2 e5 14. Rad1 exd4 15. cxd4 Nb4 16. Qb2 b6 17. Ne5 c5 18. h3 g6 19. Rc1 Rfe8 20. Nxe4 fxe4 21. f3 exf3 22. Rxf3 Bf5 23. Qd2 Rf8 24. Rcf1 a5 25. Rf4 Nc6 26. Nxc6 Qxc6 27. dxc5 Qxc5 28. Bb5 Rc8 29. Ba6 Rce8 30. Bb7 Be4 31. Rc1 Qd6 32. Rxe4 Rxe4 33. Bxd5+ Kg7 34. Rc6 Qb4 35. Qb2+ Kh6 36. g3 Qe1+ 37. Kh2 Rf2+ 38. Qxf2 Qxf2+ 39. Kh1 Rxe3 40. Re6 Rxg3 41. Rxg6+ hxg6 42. b4 Rxh3# |
| ECO A01 in 2008 play it! deepblue defeats white's zach ziegler by checkmate in 134 moves | 1. b3 d5 2. d4 e6 3. e3 Nf6 4. Nf3 Ne4 5. Bd2 Bd7 6. Bd3 Nxd2 7. Nbxd2 Nc6 8. a3 Bd6 9. c4 g6 10. c5 Be7 11. O-O O-O 12. e4 b6 13. b4 bxc5 14. bxc5 Rb8 15. Rb1 dxe4 16. Nxe4 Rxb1 17. Bxb1 f5 18. Ng3 Bf6 19. Ba2 Kh8 20. Re1 Be8 21. Ne2 g5 22. Bxe6 g4 23. Ne5 Nxe5 24. dxe5 Qxd1 25. Rxd1 Bxe5 26. Rd8 Kg7 27. Bxf5 Rxf5 28. Rxe8 Bf6 29. Re4 h5 30. Nf4 Kf7 31. c6 Be5 32. Ne2 Bd6 33. Nd4 Ra5 34. f3 gxf3 35. Nxf3 Rxa3 36. Kf2 a5 37. g3 a4 38. Ke2 Ra2+ 39. Kd3 a3 40. Nd2 Kg6 41. Nc4 Bc5 42. Re5 Bf8 43. h4 Rg2 44. g4 hxg4 45. Kd4 a2 46. h5+ Kh6 47. Re6+ Kxh5 48. Re5+ Kg6 49. Re6+ Kf7 50. Re1 Bg7+ 51. Kd3 Rg3+ 52. Ke2 a1=R 53. Rxa1 Bxa1 54. Ne3 Kf6 55. Nd1 Bd4 56. Kd2 Rg2+ 57. Kd3 Ke5 58. Ne3 Rg3 59. Ke2 Rxe3+ 60. Kf2 Kd5 61. Kg1 Kxc6 62. Kf1 g3 63. Kg2 Kd5 64. Kh3 Be5 65. Kh4 g2 66. Kg5 g1=Q+ 67. Kf5 Rf3# |
| ECO A01 in 2008 play it! deepblue defeats white's zach ziegler by checkmate in 92 moves | 1. b3 d5 2. d4 e6 3. e3 Nf6 4. Nf3 c5 5. Nc3 cxd4 6. exd4 Nc6 7. Bd2 Bd6 8. Nb5 Be7 9. Be2 a6 10. Nc3 Qb6 11. Na4 Qa7 12. c3 b5 13. Nb2 b4 14. Rc1 bxc3 15. Bxc3 Ne4 16. O-O Bf6 17. Qd3 Bd7 18. Rfd1 O-O 19. Na4 Be7 20. Qe3 Bd6 21. Bd3 Nxc3 22. Rxc3 Bb4 23. Rcc1 h6 24. Qf4 Rab8 25. g3 f6 26. Rc2 Rfc8 27. Rdc1 Ba3 28. Nb2 Nxd4 29. Qxb8 Nxf3+ 30. Kg2 Rxb8 31. Kxf3 Qd4 32. Rd2 Bxb2 33. Rc7 Bb5 34. Bh7+ Kxh7 35. Rxd4 Bxd4 36. a3 e5 37. Kg2 e4 38. a4 Be8 39. Re7 Kg6 40. h4 Kf5 41. Rxg7 Rxb3 42. a5 Rf3 43. g4+ Kf4 44. h5 Rxf2+ 45. Kh3 Bb5 46. Kh4 Rh2# |