問題 367905: 黒 が 終盤で引き分けとするために
CM Domantas Klimciauskas (2150) - Ryan Amburgy (2030)
Titled Tuesday 17th Aug chess.com INT (1), 2021.08.17
Titled Tuesday 17th Aug chess.com INT (1), 2021.08.17
- 1.c4
- e5
- 2.Nc3
- Nf6
- 3.g3
- d5
- 4.cxd5
- Nxd5
- 5.Bg2
- Nb6
- 6.Nf3
- Nc6
- 7.O-O
- Be7
- 8.d3
- O-O
- 9.a3
- Be6
- 10.b4
- f6
- 11.Be3
- Nd5
- 12.Nxd5
- Bxd5
- 13.Qc2
- a5
- 14.b5
- Na7
- 15.a4
- Nc8
- 16.Rfc1
- c6
- 17.bxc6
- bxc6
- 18.Bc5
- Nd6
- 19.Rab1
- Qd7
- 20.Rb2
- Rab8
- 21.Rcb1
- Rxb2
- 22.Rxb2
- Rd8
- 23.Qc3
- Nb7
- 24.Bb6
- Bb4
- 25.Qc2
- Re8
- 26.Nd2
- Nd6
- 27.Bc5
- Rb8
- 28.Bxb4
- axb4
- 29.Bxd5+
- cxd5
- 30.Qc5
- Nf5
- 31.Rxb4
- Rxb4
- 32.Qxb4
- Nd4
- 33.e3
- Nc6
- 34.Qb3
- Kf7
- 35.e4
- Ke6
- 36.exd5+
- Qxd5
- 37.Kf1
- Qxb3
- 38.Nxb3
- Kd5
- 39.Ke2
- Nb4
- 40.Ke3
- f5
- 41.f3
- g5
- 42.h3
- h6
- 43.Na5
- Nc2+
- 44.Kd2
- Nd4
- 45.Ke3
- f4+
- 46.gxf4
- gxf4+
- 47.Kf2
- Kc5
- 48.Nc4
- Nc6
- 49.Kg2
- Kd4
- 50.h4
- Kxd3
- 51.Nd6
- Ke3
- 52.Nf5+
- Ke2
- 53.Nxh6
- Nd4
- 54.Nf5
- Nxf5
- 55.a5
- Ne3+
- 56.Kh3
- Kxf3
- 57.a6
- Nd5
- 58.a7
- Nc7
- 59.h5
- e4
- 60.h6
- e3
- 61.h7
- e2
- 62.h8=Q
- e1=Q
- 63.Qh5+
- Kf2
- 64.Qh4+
- Kf1
- 65.Qxf4+
- Ke2
- 66.Qxc7
- 解決策:66.Qxc7
- Qf1+
- 67.Kg4
- 67.Kh4 with a drawn endgame, for example:
- Qh1+
- 68.Kg4
- Qf3+
- 69.Kg5
- Qe3+
- 70.Kg6
- Qe4+
- 71.Kg7
- Qg2+
- 72.Kf8
- Qa8+
- 73.Ke7
- Qe4+
- 74.Kd8
- Qa8+
- 75.Kd7
- Qd5+
- 76.Kc8
- Qg8+
- 77.Kb7
- Qb3+
- 78.Kc8
- Qg8+
- 79.Qd8
- Qc4+
- 80.Qc7
- Qg8+
- 67...Qf3+
- 68.Kh4 with a drawn endgame, for example:
- 68.Kg5 with a drawn endgame, for example:
- Qe3+
- 69.Kg6
- Qe4+
- 70.Kg7
- Qg2+
- 71.Kf8
- Qa8+
- 72.Ke7
- Qe4+
- 73.Kd8
- Qa8+
- 74.Kd7
- Qd5+
- 75.Kc8
- Qg8+
- 76.Kb7
- Qb3+
- 77.Kc8
- Qg8+
- 78.Qd8
- Qc4+
- 79.Qc7
- Qg8+
- 68...Qf2+
- 69.Kg5
- Qg2+
- 70.Kf5
- Qh3+
- 71.Kg5
- Qg2+
- 72.Kf6
- Qf3+
- 73.Kg5
- Qe3+
- 74.Kg6
- Qe4+
- 75.Kg7
- Qg2+
- 76.Kf8
- Qa8+
- 77.Ke7
- Qe4+
- 78.Kd8
- Qa8+
- 79.Kd7
- Qd5+
- 80.Kc8
- Qg8+
- 81.Kb7
- Qb3+
- 82.Kc8
- Qg8+
- 83.Qd8
- Qc4+
- 84.Qc7
- Qg8+
- 66...Qh1+
- 67.Kg4
- Qg2+
- 68.Kf5
- Qh3+
- 69.Kf6
- Qh6+
- 70.Ke7
- Qg7+
- 71.Kd6
- Qg3+
- 72.Kc6
- Qc3+
- 73.Kd7
- Qg7+
- 74.Kc8
- Qf8+
- 75.Kb7
- Qb4+
- 76.Qb6
- Qe7+
- 77.Ka6
- Qa3+
- 78.Qa5
- Qd6+
- 79.Qb6
- Qa3+
- 80.Kb5
- Qb3+
- 81.Kc6
- Qe6+
- 82.Kb7
- Qd7+
- 83.Qc7
- Qb5+
- 84.Kc8
- Qe8+
- 85.Kb7
- Qb5+
- 86.Qb6
- Qd7+
- 87.Ka6
- Qa4+
- 88.Kb7
- Qd7+