問題 142113: 白 が 防御とするために
FM Roberto N De Abreu (2184) - IM John Bartholomew (2446)
Titled Tuesday 26th May chess.com INT (2), 2020.05.26
Titled Tuesday 26th May chess.com INT (2), 2020.05.26
- 1.d4
- d5
- 2.c4
- c6
- 3.Nf3
- Nf6
- 4.Nc3
- dxc4
- 5.e4
- b5
- 6.Be2
- Bg4
- 7.h3
- Bxf3
- 8.Bxf3
- e6
- 9.O-O
- a6
- 10.d5
- e5
- 11.Bg5
- c5
- 12.a4
- b4
- 13.Ne2
- Nbd7
- 14.Ng3
- Qa5
- 15.Be2
- c3
- 16.bxc3
- bxc3
- 17.Qb3
- Qb4
- 18.Qa2
- h6
- 19.Rab1
- hxg5
- 20.Rxb4
- cxb4
- 21.Rd1
- Bc5
- 22.d6
- O-O
- 23.Nf5
- Nxe4
- 24.Bd3
- Nxf2
- 25.Kh2
- g6
- 26.Ne7+
- Kg7
- 27.Qe2
- Nxd1
- 28.Qxd1
- Rab8
- 29.Bc4
- a5
- 30.Qd3
- b3
- 31.Bxf7
- e4
- 32.Qxe4
- Bxd6+
- 33.g3
- Ne5
- 34.Nxg6
- Rxf7
- 35.Nxe5
- Bxe5
- 36.Qxe5+
- Kg6
- 37.Qxb8
- b2
- 38.Qb3
- Rf2+
- 39.Kg1
- Rd2
- 40.Qb6+
- Kf5
- 41.Qc5+
- Ke4
- 42.Qc4+
- Rd4
- 43.Qe2+
- Kd5
- 44.Qb5+
- Ke4
- 45.Qe2+
- Kd5
- 46.Qb5+
- Kd6
- 47.Qb6+
- Ke5
- 48.Qb5+
- Rd5
- 49.Qe2+
- Kd6
- 解決策:49...Kd6
- 脅威を与える:
- 50...b1=Q+
- 50.Qc2
- Rd2
- さて、もし50...b1=Q+
- 51.Qxb1
- 51.Qb3
- 50.Qc2
- Rc5
- 51.Kf2
- Rc4
- 52.Ke3
- Kc5
- 53.Qf5+
- Kc6
- 54.Qg6+
- Kc5
- 55.Qf5+
- Kc6
- 56.Qg6+
- Kc5
- 57.Qf5+