問題 993080: 白 が 終盤を勝つとするために
GM J. Obregon Rivero (2536) - FM Kevin Noboa Silva (2331)
8th ch-Iberoamericano Mexico City MEX, 2022.02.13
8th ch-Iberoamericano Mexico City MEX, 2022.02.13
- 1.d4
- Nf6
- 2.c4
- e6
- 3.Nf3
- Bb4+
- 4.Nbd2
- O-O
- 5.a3
- Be7
- 6.e4
- d6
- 7.Be2
- a5
- 8.b3
- e5
- 9.Bb2
- exd4
- 10.Nxd4
- Nc6
- 11.O-O
- Nxd4
- 12.Bxd4
- Nd7
- 13.Bg4
- Bf6
- 14.Nf3
- Re8
- 15.Re1
- Ne5
- 16.Bxc8
- Nxf3+
- 17.Qxf3
- Bxd4
- 18.Bxb7
- Bxa1
- 19.Bxa8
- Qxa8
- 20.Rxa1
- Qxe4
- 21.Qxe4
- Rxe4
- 22.Kf1
- Kf8
- 23.Rc1
- c5
- 24.Rc3
- Ke7
- 25.f3
- Rh4
- 26.h3
- Kd7
- 27.Ke2
- Kc6
- 28.Kd2
- f5
- 29.Rd3
- Rh6
- 30.Ke3
- Rg6
- 31.Rd2
- Re6+
- 32.Kf4
- Re5
- 33.a4
- Kd7
- 34.Rd3
- Re2
- 35.g3
- Ke6
- 36.Kg5
- Re1
- 37.f4
- Re4
- 38.Rf3
- Re2
- 39.g4
- fxg4
- 40.hxg4
- Kf7
- 41.Rd3
- h6+
- 42.Kh4
- Rh2+
- 43.Kg3
- Rb2
- 44.Kf3
- Ke7
- 45.Re3+
- Kf6
- 46.Rd3
- Ke7
- 47.f5
- Rb1
- 48.Re3+
- Kd7
- 49.Kg3
- Rg1+
- 50.Kh4
- Rh1+
- 51.Kg3
- Rg1+
- 52.Kf3
- Rb1
- 53.Kg2
- Rb2+
- 54.Kh3
- Rb1
- 55.Rc3
- Re1
- 56.Kh4
- Ke7
- 57.Rd3
- Rh1+
- 58.Kg3
- Re1
- 59.Kf2
- Re5
- 60.Kf3
- h5
- 61.Kf4
- hxg4
- 62.Kg5
- Re4
- 63.Kg6
- Rf4
- 64.Rg3
- Rf3
- 65.Rxg4
- Kf8
- 66.Rg1
- Rxb3
- 67.f6
- gxf6
- 68.Kxf6
- Rb4
- 69.Rh1
- Kg8
- 70.Rg1+
- Kf8
- 71.Rh1
- Kg8
- 72.Rc1
- Rxa4
- 73.Ke7
- Ra2
- 74.Rg1+
- Kh7
- 75.Kxd6
- Rd2+
- 76.Kxc5
- Rd8
- 77.Kb6
- a4
- 78.Ra1
- Rb8+
- 79.Kc7
- Rb4
- 解決策:79...Rb4
- 80.c5
- Kg6
- 80...Kg7
- 81.Kd6
- Kf6
- 82.Rf1+
- Rf4
- 83.Rxf4+
- 80...Rb5 with a winning endgame, for example:
- 81.c6
- Kg6
- 82.Rxa4
- Rb3
- 83.Ra5
- Kf7
- 84.Kd6
- Rd3+
- 85.Rd5
- Re3
- 86.c7
- Re6+
- 87.Kc5
- Re1
- 88.Kc6
- Re6+
- 89.Kb7
- Re8
- 90.c8=Q
- 81.c6
- 81.Kd6
- Rd4+ with a winning endgame, for example:
- 82.Ke5
- Rd2
- 83.c6
- Kf7
- 84.Rc1
- Re2+
- 85.Kd5
- Rd2+
- 86.Ke4
- Re2+
- 87.Kd4
- Rd2+
- 88.Kc3
- Rd8
- 89.c7
- Re8
- 90.Rf1+
- Kg8
- 91.Rd1
- Kf7
- 92.Rd7+
- Kf8
- 93.Rd8
- a3
- 94.Rxe8+
- 81.Kd7
- Rb7+ with a winning endgame, for example:
- 81...Kf7
- 82.Rd1
- a3
- 83.c6
- 81...Kf6
- 82.c6
- Rd4+
- 83.Kc7
- Ke6
- 84.Kb6
- Kd6
- 85.Rc1
- Rb4+
- 86.Ka5
- Rg4
- 87.c7
- Rg5+
- 88.Kxa4
- Rg8
- 89.c8=R
- Rxc8
- 90.Rxc8
- 81...Rb3
- 82.c6
- a3
- 83.Rc1
- a2
- 84.c7
- 82.Ke6
- Rb2
- 83.Rxa4
- Rc2
- 84.Ra5
- Re2+
- 85.Kd7
- Rd2+
- 86.Kc7
- Kf7
- 87.c6
- Ke6
- 88.Kc8
- Kd6
- 89.c7
- Rg2
- 90.Ra6+
- Kd5
- 91.Kb7
- Rb2+
- 92.Rb6
- Rc2
- 93.c8=Q
- 81...Kf7 with a winning endgame, for example:
- 81...Rc4 with a winning endgame, for example:
- 82.Kd6
- Kf6
- 83.Rf1+
- Kg7
- 84.Rf3
- Rc2
- 85.Rd3
- Kf7
- 86.Kd7
- Kg6
- 87.c7
- a3
- 88.Rxa3
- Rd2+
- 89.Kc8
- Kg5
- 90.Rc3
- Rh2
- 91.Kd7
- Rh8
- 92.c8=Q
- 81...Kf6 with a winning endgame, for example:
- 82.Kd6
- Rd4+
- 83.Kc5
- Rd3
- 84.Rxa4
- Ke7
- 85.Ra8
- Rc3+
- 86.Kb6
- Rb3+
- 87.Kc7
- Rf3
- 88.Rb8
- Ke6
- 89.Rb6
- Rf7+
- 90.Kb8
- Rf8+
- 91.Kb7
- Rf7+
- 92.c7+
- Kd5
- 93.Rb1
- Kd6
- 94.Rd1+
- Ke5
- 95.Kb8
- Rf8+
- 96.Rd8
- Rf1
- 97.Re8+
- Kd6
- 98.c8=Q
- 81...Kf5 with a winning endgame, for example:
- 82.Kd7
- Rd4+
- 83.Ke7
- Rc4
- 84.Kd7
- Kg4
- 85.c7
- Rd4+
- 86.Kc8
- Rc4
- 87.Rb1
- Kf4
- 88.Kd7
- Rd4+
- 89.Ke6
- Rc4
- 90.Rb4
- Rxb4
- 91.c8=Q
- Re4+
- 92.Kf6
- a3
- 93.Qf5+
- Ke3
- 94.Qh3+
- Kd4
- 95.Qxa3
- 81...Rd4 with a winning endgame, for example:
- 82.Kb6
- Rf4
- 83.Rc1
- Rf6
- 84.Kb7
- Rf7+
- 85.Kb6
- a3
- 86.c7
- Rf6+
- 87.Kb7
- Rf7
- 88.Rg1+
- Kh5
- 89.Kb8
- Rf8+
- 90.c8=Q
- 82.Kd6
- Rd4+
- 83.Kc5
- Rd3
- 84.Rxa4
- Ke7
- 85.Ra8
- Rc3+
- 86.Kb6
- Rb3+
- 87.Kc7
- Rf3
- 88.Rb8
- Ke6
- 89.Rb6
- Rf7+
- 90.Kb8
- Rf8+
- 91.Kb7
- Rf7+
- 92.c7+
- Kd5
- 93.Rb1
- Kd6
- 94.Rd1+
- Ke5
- 95.Kb8
- Rf8+
- 96.Rd8
- Rf1
- 97.Re8+
- Kd6
- 98.c8=Q
- 80.c5
- Kg6
- 81.c6
- Kf5
- 82.Kd6
- Rc4
- 83.Kd5
- Rc2
- 84.Rxa4
- Kf6
- 85.Re4
- Kf5
- 86.Re8
- Kf6
- 87.Kd6
- Kf7
- 88.Rh8
- Rd2+
- 89.Kc5
- Rc2+
- 90.Kb6
- Ke7
- 91.c7
- Rb2+
- 92.Ka5
- Ra2+
- 93.Kb4