MESON Chess Problem Database
Problem Display
PID: 76303 (K1N5/P2p4/RPk5/1pb3R1/3p4/7Q/4B2p/7b w - - 0 1)
Chepizhni, Viktor Ivanovich
1/2 Prize, Moscow Ty., 2005
#2
8 + 7
| 145 | StrateGems | 2007 |
| 6167 | Viktor Chepizhny | 2007 |
| 23 | Die Schwalbe | 2010 |
SOLUTION
- SOUND
- Sets
- 1...Ba3
- 2.Bxb5#
- 1...Bb4
- 2.Bxb5#
- 1...Bd6
- 2.Bxb5#
- 1...Be7
- 2.Bxb5#
- 1...Bf8
- 2.Bxb5#
- 1...d6
- 2.Se7#
- 1...Ba3
- Tries
- 1.Kb8?
- threat
- 2.a8Q#
- 2.a8B#
- 1...Bxb6
- 2.Bxb5#
- 2.Rxb6#
- 2.a8Q#
- 2.a8B#
- 1...Bg2
- 2.a8Q#
- 2.a8B#
- 1...Bf3
- 2.a8Q#
- 2.a8B#
- 1...Be4
- 2.a8Q#
- 2.a8B#
- 1...Bd5
- 2.a8Q#
- 2.a8B#
- 1...Ba3
- 2.Bxb5#
- 2.b7#
- 2.a8Q#
- 2.a8B#
- 1...Bb4
- 2.Bxb5#
- 2.b7#
- 2.a8Q#
- 2.a8B#
- 1...Be7
- 2.Bxb5#
- 2.b7#
- 2.a8Q#
- 2.a8B#
- 1...Bf8
- 2.Bxb5#
- 2.b7#
- 2.a8Q#
- 2.a8B#
- 1...d3
- 2.a8Q#
- 2.a8B#
- 1...b4
- 2.a8Q#
- 2.a8B#
- 1...d5
- 2.a8Q#
- 2.a8B#
- 1...d6
- 2.Se7#
- 2.a8Q#
- 2.a8B#
- 1...Bd6+!
- threat
- 1.Bg4?
- threat
- 2.Bxd7#
- 1...d5
- 2.Bd7#
- 1...d6
- 2.Se7#
- 2.Bd7#
- 1...Bxb6!
- threat
- 1.Rg6+?
- 1...Kd5
- 2.Qf5#
- 1...d6
- 2.Se7#
- 1...Bd6!
- 1...Kd5
- 1.Qf1?
- threat
- 2.Bxb5#
- 1...Bxb6
- 2.Qc1#
- 1...b4
- 2.Bb5#
- 1...d3!
- threat
- 1.Qf5?
- threat
- 2.Qxc5#
- 1...Bxb6
- 2.Qc2#
- 2.Qc5#
- 1...Bd5
- 2.Qxd5#
- 1...Ba3
- 2.Bxb5#
- 2.Qxb5#
- 1...Bb4
- 2.Bxb5#
- 2.Qxb5#
- 1...Bd6
- 2.Bxb5#
- 2.Qxb5#
- 1...Be7
- 2.Bxb5#
- 2.Qxb5#
- 1...Bf8
- 2.Bxb5#
- 2.Qxb5#
- 1...d6
- 2.Se7#
- 1...d5!
- threat
- 1.Qe6+?
- 1...Bd6
- 2.Se7#
- 2.Bxb5#
- 2.Qxd6#
- 1...d6
- 2.Se7#
- 2.Qe8#
- 1...dxe6!
- 1...Bd6
- 1.Qxh2?
- threat
- 2.Qc7#
- 1...Bxb6
- 2.Se7#
- 2.Bxb5#
- 2.Rxb6#
- 2.Qd6#
- 1...Bd6
- 2.Bxb5#
- 2.Qxd6#
- 2.Qxh1#
- 1...d6!
- threat
- 1.Qb3?
- threat
- 2.Bxb5#
- 2.Qxb5#
- 1...Bxb6
- 2.Qc2#
- 1...Bb4
- 2.Bxb5#
- 1...b4
- 2.Qa4#
- 1...d3!
- threat
- 1.Qg3?
- threat
- 2.Qc7#
- 1...Bxb6
- 2.Se7#
- 2.Bxb5#
- 2.Rxb6#
- 2.Qd6#
- 1...Bd6
- 2.Bxb5#
- 2.Qxd6#
- 1...d6!
- threat
- 1.Qh5?
- threat
- 2.Rxc5#
- 1...Bxb6
- 2.Rc5#
- 1...d5
- 2.Qe8#
- 1...d6
- 2.Qe8#
- 1...Ba3
- 2.Bxb5#
- 1...Bb4
- 2.Bxb5#
- 1...Bd6
- 2.Bxb5#
- 1...Be7
- 2.Bxb5#
- 1...Bf8
- 2.Bxb5#
- 1...Bd5!
- threat
- 1.Qh6+?
- 1...Bd6
- 2.Se7#
- 2.Bxb5#
- 2.Qxd6#
- 1...d6!
- 1...Bd6
- 1.Kb8?
- Keys
- 1.Qd3!
- threat
- 2.Qxb5#
- 1...Bxb6
- 2.Qc2#
- 1...b4
- 2.Qb5#
- threat
- 1.Qd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 6
- Sets
- B(e);::B(A),XP(d)
- P(g);SBLOCK,S_CUTB(e)::S(H)
- Tries
- Try
- K(G);P-FLIGHT
- Threat
- P=Q
- Vars
- B(a);::P=Q
- P(c);::P=Q
- P(d);::P=Q
- P(g);::P=Q
- Refutation
- B(e);CHECK
- Try
- B(A);
- Threat
- B(A),XP(g)
- Vars
- P(g);::B(A)
- Refutation
- B(e);P_SPINB(e),XP(E)
- Try
- R(C);CHECK
- Vars
- K(f);S_FLIGHT::QAR2(B)
- P(g);P_SPINP(g)::S(H)
- Refutation
- B(e);P_SPINB(e)
- Try
- Q(B);
- Threat
- B(A),XP(d)
- Vars
- B(e);OGATEB,P_SPINB(e),XP(E)::QAR(B)
- P(d);::B(A)
- Refutation
- P(c);
- Try
- Q(B);
- Threat
- QAR1(B),XB(e)
- Vars
- B(a);N_GUARD::QAB1(B),XB(a)
- P(g);SBLOCK,S_CUTB(e)::S(H)
- Refutation
- P(g);
- Try
- Q(B);CHECK
- Refutation
- P(g);XQ(B)
- Try
- Q(B);XP(b)
- Threat
- QAR1(B)
- Refutation
- P(g);
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- B(e);OGATEB,P_SPINB(e),XP(E)::QAR(B)
- B(e);::B(A),XP(d)
- P(d);OGATEB::QAB(B)
- Refutation
- P(c);
- Try
- Q(B);
- Threat
- QAR1(B)
- Refutation
- P(g);
- Try
- Q(B);
- Threat
- R1(C),XB(e)
- Vars
- B(e);P_SPINB(e),XP(E)::R1(C)
- P(g);OGATEB::QAB(B)
- B(e);::B(A),XP(d)
- Refutation
- B(a);
- Try
- Q(B);CHECK
- Refutation
- P(g);P_SPINP(g)
- Try
- Actual
- Q(B);
- Threat
- QAB1(B),XP(d)
- Vars
- B(e);OGATEB,P_SPINB(e),XP(E)::QAR(B)
- P(d);::QAB1(B)
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