MESON Chess Problem Database
Problem Display
PID: 181306 (2Q1R3/K2p1p1B/N2p4/8/3k3r/1np1N3/8/2B2b2 w - - 0 1)
Bogdanov, Evgeny Mikhailovich
Comm., Springaren, 1983-1985
#2
7 + 8
| 114 | Springaren | 1988 |
SOLUTION
- SOUND
- Sets
- 1...Bg2
- 2.Qc4#
- 1...Bh3
- 2.Qc4#
- 1...Bc4
- 2.Qxc4#
- 1...c2
- 2.Bb2#
- 1...d5
- 2.Sc2#
- 1...Bg2
- Tries
- 1.Sb4?
- threat
- 2.Sec2#
- 2.Sf5#
- 2.Sbc2#
- 1...Rxh7
- 2.Sec2#
- 2.Sf5#
- 1...Rh2
- 2.Sf5#
- 2.Re4#
- 1...Re4
- 2.Sec2#
- 2.Sf5#
- 2.Rxe4#
- 1...Rf4
- 2.Sec2#
- 2.Sbc2#
- 1...Rh5
- 2.Sec2#
- 2.Sbc2#
- 2.Re4#
- 1...Bh3
- 2.Sec2#
- 2.Sbc2#
- 2.Qc4#
- 1...Sa1
- 2.Sf5#
- 1...Sc5
- 2.Sbc2#
- 1...c2
- 2.Sexc2#
- 2.Sf5#
- 2.Sbxc2#
- 2.Bb2#
- 1...f5
- 2.Sec2#
- 2.Sxf5#
- 1...Bd3!
- threat
- 1.Re4+?
- 1...Kd3
- 2.Qc4#
- 1...Rxe4!
- 1...Kd3
- 1.Qxd7?
- threat
- 2.Qxd6#
- 1...c2
- 2.Bb2#
- 1...Rh5
- 2.Qg4#
- 1...Rh6
- 2.Qg4#
- 1...Bg2
- 2.Qa4#
- 1...d5
- 2.Qxd5#
- 1...Bc4!
- threat
- 1.Qc6?
- threat
- 2.Sc2#
- 2.Qd5#
- 2.Qxd6#
- 1...Rxh7
- 2.Qe4#
- 2.Qd5#
- 2.Qxd6#
- 1...Re4
- 2.Qxe4#
- 2.Qd5#
- 2.Qxd6#
- 1...f5
- 2.Qd5#
- 2.Qxd6#
- 1...Sc5
- 2.Qd5#
- 2.Qxd6#
- 1...Rh2
- 2.Qe4#
- 2.Qd5#
- 2.Qxd6#
- 1...Rh5
- 2.Sc2#
- 2.Qe4#
- 1...Rh6
- 2.Sc2#
- 2.Qe4#
- 2.Qd5#
- 1...Bg2
- 2.Sc2#
- 2.Qa4#
- 2.Qc4#
- 1...Bd3
- 2.Qd5#
- 2.Qxd6#
- 1...Bc4
- 2.Sc2#
- 2.Qxc4#
- 1...Sa1
- 2.Qd5#
- 2.Qb6#
- 2.Qxd6#
- 1...c2
- 2.Sxc2#
- 2.Bb2#
- 1...d5
- 2.Sc2#
- 2.Qxd5#
- 2.Qf6#
- 1...dxc6!
- threat
- 1.Qa8?
- threat
- 2.Qd5#
- 1...c2
- 2.Bb2#
- 1...Rh5
- 2.Qe4#
- 1...Bc4
- 2.Sc2#
- 1...d5
- 2.Qxd5#
- 1...Bg2!
- threat
- 1.Sb4?
- Keys
- 1.Qb7!
- threat
- 2.Qd5#
- 1...c2
- 2.Bb2#
- 1...Rh5
- 2.Qe4#
- 1...Bg2
- 2.Qb4#
- 1...Bc4
- 2.Sc2#
- 1...d5
- 2.Qxd5#
- threat
- 1.Qb7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- B(a);N_GUARD::QAR1(F)
- B(a);N_GUARD::QAR1(F),XB(a)
- P(c);OGATEB::B(A)
- P(f);SBLOCK::S(B)
- Tries
- Try
- S(C);
- Threat
- DUALS(3)
- Vars
- S(b);::S(B)
- S(b);::S(C)
- Refutation
- B(a);
- Try
- R(G);CHECK
- Vars
- K(d);P-FLIGHT::QAB1(F)
- Refutation
- R(e);XR(G)
- Try
- Q(F);P_PINP(f),XP(g)
- Threat
- QAR2(F),XP(f)
- Vars
- P(c);OGATEB::B(A)
- R(e);N_GUARD::QAR(F)
- B(a);N_GUARD::QAR(F)
- P(f);OGATE::QAR1(F),XP(f)
- Refutation
- B(a);
- Try
- Q(F);
- Threat
- DUALS(3)
- Refutation
- P(g);XQ(F)
- Try
- Q(F);
- Threat
- QAR1(F)
- Vars
- P(c);OGATEB::B(A)
- R(e);N_GUARD::QAR1(F)
- B(a);SBLOCK::S(B)
- P(f);::QAR1(F),XP(f)
- Refutation
- B(a);
- Try
- Actual
- Q(F);
- Threat
- QAR1(F)
- Vars
- P(c);OGATEB::B(A)
- R(e);N_GUARD::QAR1(F)
- B(a);N_GUARD::QAR2(F)
- B(a);SBLOCK::S(B)
- P(f);::QAR1(F),XP(f)
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