MESON Chess Problem Database
Problem Display
PID: 142885 (B1R3K1/5RP1/3pp3/Qp1NkP2/3pP3/6Pr/3Nr3/1n1bB3 w - - 0 1)
Banco, Philippe
diagrammes, 1973
#2
12 + 9
SOLUTION
- SOUND
- Sets
- 1...Rxg3
- 2.Bxg3#
- 1...Rh8+
- 2.gxh8Q#
- 2.gxh8B#
- 1...exd5
- 2.Re8#
- 1...exf5
- 2.Re7#
- 2.Re8#
- 1...Rxg3
- Tries
- 1.Sb4?
- threat
- 2.Sf3#
- 2.Sc4#
- 2.Sd3#
- 2.Sc6#
- 1...Rh8+
- 2.gxh8Q#
- 2.gxh8B#
- 1...Rxe1
- 2.Sc4#
- 2.Sd3#
- 2.Sc6#
- 1...Rxe4
- 2.Sc4#
- 2.Sd3#
- 1...Rxg3
- 2.Bxg3#
- 1...Sxd2
- 2.Sd3#
- 1...exf5
- 2.Re8#
- 1...d3
- 2.Sf3#
- 2.Sc6#
- 1...d5
- 2.Qc7#
- 1...Rf2
- 2.Sc4#
- 2.Sd3#
- 2.Sc6#
- 1...Rg2
- 2.Sc4#
- 2.Sd3#
- 2.Sc6#
- 1...Reh2
- 2.Sc4#
- 2.Sd3#
- 2.Sc6#
- 1...Re3
- 2.Sc4#
- 2.Sc6#
- 1...Bc2
- 2.Sf3#
- 2.Sc4#
- 2.Sc6#
- 1...Bb3
- 2.Sf3#
- 2.Sd3#
- 2.Sc6#
- 1...Sa3
- 2.Sf3#
- 2.Sd3#
- 2.Sc6#
- 1...Rxd2!
- threat
- 1.Sf4?
- threat
- 2.Sf3#
- 2.Sc4#
- 2.Sd3#
- 2.Sg6#
- 1...Rh8+
- 2.gxh8Q#
- 2.gxh8B#
- 1...Rxe1
- 2.Sc4#
- 2.Sd3#
- 2.Sg6#
- 1...Rxd2
- 2.Sg6#
- 1...Rxe4
- 2.Sc4#
- 2.Sd3#
- 2.Sg6#
- 1...Sxd2
- 2.Sd3#
- 2.Sg6#
- 1...exf5
- 2.Sf3#
- 2.Sc4#
- 2.Rxf5#
- 2.Re8#
- 1...d3
- 2.Sf3#
- 1...d5
- 2.Qc7#
- 1...Rf2
- 2.Sc4#
- 2.Sd3#
- 2.Sg6#
- 1...Rg2
- 2.Sc4#
- 2.Sd3#
- 2.Sg6#
- 1...Reh2
- 2.Sc4#
- 2.Sd3#
- 2.Sg6#
- 1...Re3
- 2.Sc4#
- 2.Sg6#
- 1...Rh6
- 2.Sf3#
- 2.Sc4#
- 2.Sd3#
- 1...Bc2
- 2.Sf3#
- 2.Sc4#
- 2.Sg6#
- 1...Bb3
- 2.Sf3#
- 2.Sd3#
- 2.Sg6#
- 1...Sa3
- 2.Sf3#
- 2.Sd3#
- 2.Sg6#
- 1...Rxg3!
- threat
- 1.Sb6?
- threat
- 2.Sf3#
- 2.Sdc4#
- 2.Sbc4#
- 2.Sd7#
- 1...Rh8+
- 2.gxh8Q#
- 2.gxh8B#
- 1...Rxe1
- 2.Sdc4#
- 2.Sbc4#
- 2.Sd7#
- 1...Rxd2
- 2.Sc4#
- 2.Sd7#
- 1...Rxe4
- 2.Sdc4#
- 2.Sbc4#
- 2.Sd7#
- 1...Rxg3
- 2.Bxg3#
- 1...Sxd2
- 2.Sd7#
- 1...exf5
- 2.Re8#
- 1...d3
- 2.Sf3#
- 1...Rf2
- 2.Sdc4#
- 2.Sbc4#
- 2.Sd7#
- 1...Rg2
- 2.Sdc4#
- 2.Sbc4#
- 2.Sd7#
- 1...Reh2
- 2.Sdc4#
- 2.Sbc4#
- 2.Sd7#
- 1...Re3
- 2.Sdc4#
- 2.Sbc4#
- 2.Sd7#
- 1...Bb3
- 2.Sf3#
- 2.Sd7#
- 1...Sa3
- 2.Sf3#
- 2.Sd7#
- 1...d5!
- threat
- 1.Sf6?
- threat
- 2.Sf3#
- 2.Sc4#
- 2.Sg4#
- 2.Sd7#
- 1...Rxe1
- 2.Sc4#
- 2.Sd7#
- 1...Rxd2
- 2.Sd7#
- 1...Rxe4
- 2.Sd7#
- 1...Rxg3
- 2.Bxg3#
- 1...Sxd2
- 2.Sg4#
- 2.Sd7#
- 1...exf5
- 2.Re8#
- 1...d3
- 2.Sf3#
- 1...d5
- 2.Qc7#
- 1...Rf2
- 2.Sc4#
- 2.Sd7#
- 1...Rg2
- 2.Sc4#
- 2.Sd7#
- 1...Reh2
- 2.Sc4#
- 2.Sd7#
- 1...Re3
- 2.Sc4#
- 2.Sd7#
- 1...Rh4
- 2.Sf3#
- 2.Sc4#
- 2.Sd7#
- 1...Bb3
- 2.Sf3#
- 2.Sg4#
- 2.Sd7#
- 1...Sa3
- 2.Sf3#
- 2.Sg4#
- 2.Sd7#
- 1...Rh8+!
- threat
- 1.Se7?
- threat
- 2.Sf3#
- 2.Sc4#
- 2.Sc6#
- 2.Sg6#
- 1...Rh8+
- 2.gxh8Q#
- 2.gxh8B#
- 1...Rxe1
- 2.Sc4#
- 2.Sc6#
- 2.Sg6#
- 1...Rxd2
- 2.Sg6#
- 1...Rxe4
- 2.Sc4#
- 2.Sg6#
- 1...Rxg3
- 2.Bxg3#
- 1...Sxd2
- 2.Sg6#
- 1...d3
- 2.Sf3#
- 2.Sc6#
- 1...d5
- 2.Qc7#
- 1...Rf2
- 2.Sc4#
- 2.Sc6#
- 2.Sg6#
- 1...Rg2
- 2.Sc4#
- 2.Sc6#
- 2.Sg6#
- 1...Reh2
- 2.Sc4#
- 2.Sc6#
- 2.Sg6#
- 1...Re3
- 2.Sc4#
- 2.Sc6#
- 2.Sg6#
- 1...Rh6
- 2.Sf3#
- 2.Sc4#
- 2.Sc6#
- 1...Bb3
- 2.Sf3#
- 2.Sc6#
- 2.Sg6#
- 1...Sa3
- 2.Sf3#
- 2.Sc6#
- 2.Sg6#
- 1...exf5!
- threat
- 1.Sb4?
- Keys
- 1.Se3!
- threat
- 2.Sf3#
- 2.Sdc4#
- 2.Sec4#
- 2.Sg4#
- 1...Rh8+
- 2.gxh8Q#
- 2.gxh8B#
- 1...Rxe1
- 2.Sdc4#
- 2.Sec4#
- 1...Rxd2
- 2.Sc4#
- 1...Rxe3
- 2.Sc4#
- 1...Rxg3
- 2.Bxg3#
- 1...Sxd2
- 2.Sg4#
- 1...dxe3
- 2.Sf3#
- 1...exf5
- 2.Re8#
- 1...d3
- 2.Sf3#
- 1...d5
- 2.Qc7#
- 1...Rf2
- 2.Sdc4#
- 2.Sec4#
- 1...Rg2
- 2.Sdc4#
- 2.Sec4#
- 1...Reh2
- 2.Sdc4#
- 2.Sec4#
- 1...Rh4
- 2.Sf3#
- 2.Sdc4#
- 2.Sec4#
- 1...Bb3
- 2.Sf3#
- 2.Sg4#
- 1...Sa3
- 2.Sf3#
- 2.Sg4#
- threat
- 1.Se3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 1
- Sets
- R(d);OGATE,P_PINP(I),XP(C)::B(A),XR(d)
- R(d);CHECK,OGATE::PXR(d)=Q
- P(i);OGATEB,XS(F)::R(K)
- Tries
- Try
- S(F);P_PINP(f)
- Threat
- DUALS(4)
- Vars
- R(d);CHECK,OGATE::PXR(d)=Q
- R(d);OGATE,P_PINP(I),XP(C)::B(A),XR(d)
- S(a);XS(B)::S(F)
- P(i);OGATEB,XP(G)::R(K)
- P(h);N_SPINP(f),OGATEB::QAB(E)
- Refutation
- R(c);XS(B)
- Try
- S(F);P_PINP(f)
- Threat
- DUALS(4)
- Vars
- R(d);CHECK,OGATE::PXR(d)=Q
- R(c);XS(B)::S(F)
- P(e);::S(B)
- P(h);N_SPINP(f),OGATEB::QAB(E)
- Refutation
- R(d);P_PINP(I),XP(C)
- Try
- S(F);P_PINP(f)
- Threat
- DUALS(4)
- Vars
- R(d);CHECK,OGATE::PXR(d)=Q
- R(d);OGATE,P_PINP(I),XP(C)::B(A),XR(d)
- S(a);XS(B)::S(F)
- P(i);OGATEB,XP(G)::R(K)
- P(e);::S(B)
- Refutation
- P(h);N_SPINP(f)
- Try
- S(F);P_PINP(f)
- Threat
- DUALS(4)
- Vars
- R(c);XS(B)::S(F)
- R(c);XP(D)::S(F)
- R(d);OGATE,P_PINP(I),XP(C)::B(A),XR(d)
- P(i);OGATEB,XP(G)::R(K)
- P(e);::S(B)
- P(h);N_SPINP(f),OGATEB::QAB(E)
- Refutation
- R(d);CHECK
- Try
- S(F);P_PINP(f)
- Threat
- DUALS(4)
- Vars
- R(d);CHECK,OGATE::PXR(d)=Q
- R(c);XS(B)::S(F)
- R(d);OGATE,P_PINP(I),XP(C)::B(A),XR(d)
- S(a);XS(B)::S(F)
- P(h);N_SPINP(f),OGATEB::QAB(E)
- Refutation
- P(i);XP(G)
- Try
- Actual
- S(F);P_PINP(f)
- Threat
- DUALS(4)
- Vars
- R(d);CHECK,OGATE::PXR(d)=Q
- R(c);XS(B)::S(F)
- R(c);XS(F)::S(B)
- R(d);OGATE,P_PINP(I),XP(C)::B(A),XR(d)
- S(a);XS(B)::S(F)
- P(e);XS(F)::S(B)
- P(i);OGATEB,XP(G)::R(K)
- P(e);::S(B)
- P(h);N_SPINP(f),OGATEB::QAB(E)
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