8/PNk4K/6n1/6R1/n1r3p1/8/8/8 b - - 0 1
Author claims draw, although black can win according last stockfish dev + lomonosov tablebases. Stockfish assessed black's advanage to -1.10 which is above threshold for winnable TB-7 win. Lomo7 comfirmed that black can win in 93 moves once in seven-piece territory.
[pgn][Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "New game"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "8/PNk4K/6n1/6R1/n1r3p1/8/8/8 b - - 0 1"]
[PlyCount "195"]
1... Nf8+ 2. Kh8 Nb6 3. Na5 Ra4 4. Nc4 Nc8 5. Rxg4 Nxa7 6. Rg7+ Kd8 7. Nd6 Rh4+
8. Kg8 Nd7 9. Nb7+ Kc8 10. Nc5 Nf6+ 11. Kf7 Nd5 12. Ke6 Nc7+ 13. Kf6 Ncb5 14.
Rg6 Rh1 15. Kf5 Nd4+ 16. Ke4 Nab5 17. Nd3 Ne2 18. Nf4 Nec3+ 19. Kd3 Rd1+ 20.
Kc2 Rf1 21. Ne6 Ne4 22. Kd3 Ned6 23. Rg4 Rf3+ 24. Kd2 Kd7 25. Nd4 Nc4+ 26. Ke2
Re3+ 27. Kf1 Nbd6 28. Kf2 Rc3 29. Rh4 Ne5 30. Rh7+ Ndf7 31. Rh4 Ra3 32. Re4 Ra5
33. Re2 Nd6 34. Kg2 Ndc4 35. Nf3 Ng4 36. Kg3 Nf6 37. Kh4 Rf5 38. Kg3 Nd6 39.
Ne5+ Ke6 40. Nf3+ Nfe4+ 41. Kg4 Kd5 42. Ra2 Rf6 43. Ra5+ Nc5 44. Ng5 Kc6 45.
Kh4 Nd3 46. Kh3 Kb6 47. Ra3 Nf4+ 48. Kh4 Nd5 49. Rf3 Nf5+ 50. Kg4 Kc6 51. Ne4
Nfe3+ 52. Kg3 Re6 53. Nf2 Rg6+ 54. Kh2 Kb5 55. Nd3 Rg8 56. Nf4 Ng4+ 57. Kh3 Ne5
58. Rf2 Rh8+ 59. Kg2 Ne3+ 60. Kg3 Rg8+ 61. Kh3 Kc4 62. Ne6 Re8 63. Ng5 Kd3 64.
Nf7 N5g4 65. Rf4 Rg8 66. Nd6 Ne5 67. Nf5 Rf8 68. Rd4+ Kc3 69. Re4 N3c4 70. Nd4
Kd3 71. Ne6 Rh8+ 72. Rh4 Rg8 73. Rh7 Ne3 74. Rh5 Ke4 75. Ng5+ Kf4 76. Ne6+ Kf3
77. Ng5+ Ke2 78. Ne4 Nd3 79. Ra5 Nf4+ 80. Kh2 Rh8+ 81. Kg3 Nh5+ 82. Kh4 Nf6+
83. Kg5 Nxe4+ 84. Kg6 Rf8 85. Ra6 Nf5 86. Ra1 Rf6+ 87. Kh5 Kf2 88. Rb1 Ne3 89.
Ra1 Re6 90. Ra5 Kg3 91. Ra6 Nf6+ 92. Kg5 Rxa6 93. Kg6 Nfg4+ 94. Kg7 Nf5+ 95.
Kg8 Ngh6+ 96. Kh8 Nf7+ 97. Kg8 Ng5 98. Kf8 Ra8# *
[/pgn]
Code: Select all
[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "New game"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "8/PNk4K/6n1/6R1/n1r3p1/8/8/8 b - - 0 1"]
[PlyCount "195"]
1... Nf8+ 2. Kh8 Nb6 3. Na5 Ra4 4. Nc4 Nc8 5. Rxg4 Nxa7 6. Rg7+ Kd8 7. Nd6 Rh4+
8. Kg8 Nd7 9. Nb7+ Kc8 10. Nc5 Nf6+ 11. Kf7 Nd5 12. Ke6 Nc7+ 13. Kf6 Ncb5 14.
Rg6 Rh1 15. Kf5 Nd4+ 16. Ke4 Nab5 17. Nd3 Ne2 18. Nf4 Nec3+ 19. Kd3 Rd1+ 20.
Kc2 Rf1 21. Ne6 Ne4 22. Kd3 Ned6 23. Rg4 Rf3+ 24. Kd2 Kd7 25. Nd4 Nc4+ 26. Ke2
Re3+ 27. Kf1 Nbd6 28. Kf2 Rc3 29. Rh4 Ne5 30. Rh7+ Ndf7 31. Rh4 Ra3 32. Re4 Ra5
33. Re2 Nd6 34. Kg2 Ndc4 35. Nf3 Ng4 36. Kg3 Nf6 37. Kh4 Rf5 38. Kg3 Nd6 39.
Ne5+ Ke6 40. Nf3+ Nfe4+ 41. Kg4 Kd5 42. Ra2 Rf6 43. Ra5+ Nc5 44. Ng5 Kc6 45.
Kh4 Nd3 46. Kh3 Kb6 47. Ra3 Nf4+ 48. Kh4 Nd5 49. Rf3 Nf5+ 50. Kg4 Kc6 51. Ne4
Nfe3+ 52. Kg3 Re6 53. Nf2 Rg6+ 54. Kh2 Kb5 55. Nd3 Rg8 56. Nf4 Ng4+ 57. Kh3 Ne5
58. Rf2 Rh8+ 59. Kg2 Ne3+ 60. Kg3 Rg8+ 61. Kh3 Kc4 62. Ne6 Re8 63. Ng5 Kd3 64.
Nf7 N5g4 65. Rf4 Rg8 66. Nd6 Ne5 67. Nf5 Rf8 68. Rd4+ Kc3 69. Re4 N3c4 70. Nd4
Kd3 71. Ne6 Rh8+ 72. Rh4 Rg8 73. Rh7 Ne3 74. Rh5 Ke4 75. Ng5+ Kf4 76. Ne6+ Kf3
77. Ng5+ Ke2 78. Ne4 Nd3 79. Ra5 Nf4+ 80. Kh2 Rh8+ 81. Kg3 Nh5+ 82. Kh4 Nf6+
83. Kg5 Nxe4+ 84. Kg6 Rf8 85. Ra6 Nf5 86. Ra1 Rf6+ 87. Kh5 Kf2 88. Rb1 Ne3 89.
Ra1 Re6 90. Ra5 Kg3 91. Ra6 Nf6+ 92. Kg5 Rxa6 93. Kg6 Nfg4+ 94. Kg7 Nf5+ 95.
Kg8 Ngh6+ 96. Kh8 Nf7+ 97. Kg8 Ng5 98. Kf8 Ra8# *