問題 293950: 黒 が 終盤を勝つとするために
FM Olexandr Prohorov (2086) - FM Joachim Mouhamad (2239)
Titled Tuesday 22nd Dec chess.com INT (4), 2020.12.22
Titled Tuesday 22nd Dec chess.com INT (4), 2020.12.22
- 1.e4
- e5
- 2.Nf3
- Nc6
- 3.c3
- Nf6
- 4.d4
- exd4
- 5.e5
- Ne4
- 6.cxd4
- d5
- 7.Nc3
- Bb4
- 8.Qb3
- O-O
- 9.Bd3
- Bg4
- 10.Be3
- Kh8
- 11.h3
- Bxf3
- 12.gxf3
- Ng5
- 13.Ke2
- Ne6
- 14.Qxd5
- Ncxd4+
- 15.Bxd4
- Nxd4+
- 16.Ke3
- Qe7
- 17.Qe4
- g6
- 18.Nd5
- Nf5+
- 19.Ke2
- Qd7
- 20.Nxb4
- Rad8
- 21.Rad1
- Rfe8
- 22.f4
- Qe7
- 23.Nd5
- Qh4
- 24.Nf6
- Re7
- 25.Bc4
- Rf8
- 26.Rhg1
- Qxf6
- 27.exf6
- Rxe4+
- 28.Kd3
- Rxf4
- 29.Kc3
- Nd6
- 30.b3
- Rxf6
- 31.Rge1
- Rxf2
- 32.Re7
- Rc8
- 33.Rde1
- Kg7
- 34.a4
- Rf3+
- 35.Kb4
- b6
- 36.Bd5
- a5+
- 37.Ka3
- Rd3
- 38.Bc6
- Nc4+
- 39.Ka2
- Rd2+
- 40.Ka1
- Na3
- 41.Rf1
- Rf8
- 42.Be8
- Nc2+
- 43.Kb1
- Nb4
- 44.Rfxf7+
- Rxf7
- 45.Rxf7+
- Kh6
- 46.Rxc7
- Rd3
- 47.Rb7
- Rxb3+
- 48.Kc1
- Rxh3
- 49.Rxb6
- Rh2
- 50.Rb5
- g5
- 51.Rxa5
- Nd3+
- 52.Kd1
- g4
- 53.Ra6+
- Kg5
- 54.Bd7
- g3
- 55.Ra8
- g2
- 56.Rg8+
- Kf4
- 57.Bc6
- Rh1+
- 58.Kd2
- g1=Q
- 59.Rxg1
- Rxg1
- 60.Kxd3
- Rg3+
- 61.Kd4
- Ra3
- 62.Kc4
- h5
- 63.Kb5
- h4
- 64.a5
- h3
- 65.a6
- 解決策:65.a6
- Ke5
- 66.Bb7
- 66.Bh1
- Kd6
- 67.Be4 with a winning endgame, for example:
- h2
- 68.Bg2
- Ra2
- 69.Be4
- Kc7
- 70.Bh1
- Ra1
- 71.Bg2
- Rb1+
- 72.Kc5
- Rc1+
- 73.Kd4
- Kb8
- 74.Ke3
- Ka7
- 75.Bb7
- h1=Q
- 66.Kb6
- Kd6
- 67.Ba8
- 66...Kd6
- 67.Be4 with a winning endgame, for example:
- h2
- 68.Bg2
- Ra2
- 69.Be4
- Kc7
- 70.Bh1
- Ra1
- 71.Bg2
- Rb1+
- 72.Kc5
- Rc1+
- 73.Kd4
- Kb8
- 74.Ke3
- Ka7
- 75.Bb7
- h1=Q
- 65...h2
- 66.Kb6
- Rb3+
- 67.Kc7
- Rc3
- 68.a7
- Rxc6+
- 69.Kb7
- h1=Q
- 70.a8=Q
- Rb6+
- 71.Kxb6
- Qxa8
- 72.Kb5
- Qe4