MESON Chess Problem Database
Problem Display
PID: 273315 (K3R3/P1p5/1BQ2p2/4bP2/p2NP1p1/Pp2k1P1/1R2B3/7N w - - 0 1)
Erokhin, Vladimir Alekseevich
Shedey, Sergey Oleksandrovich
diagrammes, 1978
#2
13 + 7
SOLUTION
- SOUND
- Sets
- 1...Bxg3
- 2.Qc1#
- 1...Bxd4
- 2.Qc1#
- 2.Qc3#
- 1...Bf4
- 2.Qc1#
- 2.Qc3#
- 1...Bd6
- 2.Qc1#
- 2.Qc3#
- 1...Bxg3
- Tries
- 1.Kb7?
- 1...Bxg3
- 2.Qc1#
- 1...Bxd4
- 2.Qc1#
- 2.Qc3#
- 1...Bf4
- 2.Qc1#
- 2.Qc3#
- 1...Bd6
- 2.Qc1#
- 2.Qc3#
- 1...cxb6!
- 1...Bxg3
- 1.Kb8?
- 1...Bxg3
- 2.Qc1#
- 1...Bxd4
- 2.Qc1#
- 2.Qc3#
- 1...Bf4
- 2.Qc1#
- 2.Qc3#
- 1...Bd6
- 2.Qc1#
- 2.Qc3#
- 1...cxb6+!
- 1...Bxg3
- 1.Sxb3+?
- 1...Bd4
- 2.Bxd4#
- 2.Qc1#
- 2.Qc3#
- 1...cxb6!
- 1...Bd4
- 1.Sf3+?
- 1...Bd4
- 2.Bxd4#
- 2.Qc1#
- 2.Qc3#
- 1...cxb6!
- 1...Bd4
- 1.Sb5+?
- 1...Bd4
- 2.Bxd4#
- 2.Qc1#
- 2.Qc3#
- 1...cxb6!
- 1...Bd4
- 1.Se6+?
- 1...Bd4
- 2.Bxd4#
- 1...cxb6!
- 1...Bd4
- 1.Bf1?
- 1...Bxg3
- 2.Qc1#
- 1...Bxd4
- 2.Qc3#
- 1...Bf4
- 2.Qc1#
- 2.Qc3#
- 1...Bd6
- 2.Qc1#
- 2.Qc3#
- 1...cxb6!
- 1...Bxg3
- 1.Bb5?
- threat
- 2.Re2#
- 1...Bxg3
- 2.Qc1#
- 1...Bxd4
- 2.Qc3#
- 1...cxb6!
- threat
- 1.Ba6?
- threat
- 2.Re2#
- 1...Bxg3
- 2.Qc1#
- 1...Bxd4
- 2.Qc3#
- 1...cxb6!
- threat
- 1.Rxb3+?
- 1...Kd2
- 2.Ba5#
- 2.Qc3#
- 1...axb3!
- 1...Kd2
- 1.Rxe5?
- threat
- 2.Qc1#
- 2.Qc3#
- 1...cxb6
- 2.Qc3#
- 1...fxe5!
- threat
- 1.Re6?
- 1...Bxg3
- 2.Qc1#
- 1...Bxd4
- 2.Qc1#
- 2.Qc3#
- 1...Bf4
- 2.Qc1#
- 2.Qc3#
- 1...Bd6
- 2.Qc1#
- 2.Qc3#
- 1...cxb6!
- 1...Bxg3
- 1.Re7?
- 1...Bxg3
- 2.Qc1#
- 1...Bxd4
- 2.Qc1#
- 2.Qc3#
- 1...Bf4
- 2.Qc1#
- 2.Qc3#
- 1...Bd6
- 2.Qc1#
- 2.Qc3#
- 1...cxb6!
- 1...Bxg3
- 1.Qc2?
- threat
- 2.Qd3#
- 1...Bxg3
- 2.Qc1#
- 2.Qd2#
- 1...bxc2!
- threat
- 1.Qc4?
- threat
- 2.Qd3#
- 1...Bxg3
- 2.Qc1#
- 1...Kxe4!
- threat
- 1.Kb7?
- Keys
- 1.Bxc7!
- 1...Kxd4
- 2.Bb6#
- 1...Bxg3
- 2.Qc3#
- 1...Bxd4
- 2.Bf4#
- 2.Qc1#
- 1...Bxc7
- 2.Qc3#
- 1...Bf4
- 2.Qc3#
- 1...Bd6
- 2.Qc3#
- 1...Kxd4
- 1.Bxc7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- B(e);XP(E)::QAB(J)
- Tries
- Try
- K(L);S_FLIGHT
- Vars
- B(e);XP(E)::QAB(J)
- Refutation
- P(g);XB(I)
- Try
- K(L);P-FLIGHT
- Vars
- B(e);XP(E)::QAB(J)
- Refutation
- P(g);CHECK,XB(I)
- Try
- S(F);CHECK,XP(a)
- Refutation
- P(g);XB(I)
- Try
- S(F);CHECK
- Refutation
- P(g);XB(I)
- Try
- S(F);CHECK
- Refutation
- P(g);XB(I)
- Try
- S(F);CHECK
- Vars
- B(e);N_GUARD,P_SPINB(e)::B(I),XB(e)
- Refutation
- P(g);XB(I)
- Try
- B(C);
- Vars
- B(e);XP(E)::QAB(J)
- B(e);P_SPINB(e),XS(F)::QAR2(J)
- Refutation
- P(g);XB(I)
- Try
- B(C);
- Threat
- R1(B)
- Vars
- B(e);XP(E)::QAB(J)
- B(e);P_SPINB(e),XS(F)::QAR2(J)
- Refutation
- P(g);XB(I)
- Try
- B(C);
- Threat
- R1(B)
- Vars
- B(e);XP(E)::QAB(J)
- B(e);P_SPINB(e),XS(F)::QAR2(J)
- Refutation
- P(g);XB(I)
- Try
- R(B);CHECK,XP(a)
- Refutation
- P(c);XR(B)
- Try
- R(M);XB(e)
- Threat
- DUALS(2)
- Vars
- P(g);XB(I)::QAR2(J)
- Refutation
- P(f);XR(M)
- Try
- R(M);
- Vars
- B(e);XP(E)::QAB(J)
- Refutation
- P(g);XB(I)
- Try
- R(M);
- Vars
- B(e);XP(E)::QAB(J)
- Refutation
- P(g);XB(I)
- Try
- Q(J);
- Threat
- QAR1(J)
- Refutation
- P(a);XQ(J)
- Try
- Q(J);
- Threat
- QAR1(J)
- Vars
- B(e);XP(E)::QAB(J)
- Refutation
- K(b);P-FLIGHT,P_SPINB(e),XP(G)
- Try
- Actual
- B(I);XP(g)
- Vars
- K(b);OGATEB,S_FLIGHT,XS(F)::B(I)
- B(e);XP(E)::QAR2(J)
- B(e);XB(I)::QAR2(J)
- B(e);::QAR2(J)
Developed and maintained by Brian Stephenson.
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