問題 173880: 黒 が 防御とするために
IM Johnatan Bakalchuk (2448) - FM Noam Aviv Vitenberg (2298)
Titled Tue 11th Aug chess.com INT (4), 2020.08.11
Titled Tue 11th Aug chess.com INT (4), 2020.08.11
- 1.d4
- d5
- 2.Nc3
- Nf6
- 3.Bf4
- Bf5
- 4.f3
- e6
- 5.g4
- Bg6
- 6.h4
- h6
- 7.e3
- Bd6
- 8.h5
- Bh7
- 9.Bd3
- Bxd3
- 10.Qxd3
- Nbd7
- 11.O-O-O
- a6
- 12.Nh3
- Rc8
- 13.Kb1
- b5
- 14.e4
- Bxf4
- 15.Nxf4
- dxe4
- 16.Nxe4
- O-O
- 17.Rdg1
- c5
- 18.g5
- Nxe4
- 19.gxh6
- Ng5
- 20.hxg7
- 解決策:20.hxg7
- 脅威を与える:
- 21.gxf8=Q+
- 21.gxf8=R+
- 21.gxf8=B
- 21.gxf8=N
- Re8
- 21.h6
- Nh7
- 20...Kxg7
- 21.Nxe6+
- fxe6
- 22.Qg6+
- Kh8
- 23.Qh6+
- Kg8
- 24.Rxg5+
- Qxg5
- 25.Qxg5+
- Kf7
- 26.h6
- Rg8
- 27.Qh5+
- Ke7
- 28.h7
- Rh8
- 29.Rg1
- Nf6
- 30.Rg7+
- Kd6
- 31.Qe5+
- Kc6
- 32.Qxe6#