MESON Chess Problem Database
Problem Display
PID: 99131 (K2kr3/3P3r/BP4R1/3R1N2/8/B2b4/8/8 w - - 0 1)
Fleck, Ferenc
Magyar Sakkelet, 1990
#2
8 + 4
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rg8
- 2.Rxg8#
- 1...Rg8
- Tries
- 1.Sd4?
- threat
- 2.Sc6#
- 1...Re6
- 2.Sxe6#
- 1...Bb5!
- threat
- 1.Bd6?
- threat
- 2.Bc7#
- 1...Kxd7+
- 2.Bb8#
- 1...Bxf5!
- threat
- 1.Rg8?
- threat
- 2.Rxe8#
- 2.dxe8Q#
- 2.dxe8R#
- 1...Rxd7
- 2.Be7#
- 1...Bxf5
- 2.Rxe8#
- 2.dxe8Q#
- 2.dxe8R#
- 1...Bxa6
- 2.Rxe8#
- 2.dxe8Q#
- 2.dxe8R#
- 1...Rh1
- 2.Be7#
- 2.Rxe8#
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 1...Rh2
- 2.Be7#
- 2.Rxe8#
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 1...Rh3
- 2.Be7#
- 2.Rxe8#
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 1...Rh4
- 2.Be7#
- 2.Rxe8#
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 1...Rh5
- 2.Be7#
- 2.Rxe8#
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 1...Rh6
- 2.Be7#
- 2.Rxe8#
- 2.dxe8Q#
- 2.dxe8R#
- 1...Re7
- 2.Bxe7#
- 2.dxe8Q#
- 2.dxe8R#
- 1...Rf7
- 2.Rxe8#
- 2.dxe8Q#
- 2.dxe8R#
- 1...Rg7
- 2.Rxe8#
- 2.dxe8Q#
- 2.dxe8R#
- 1...Rh8
- 2.Be7#
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 1...Rf8
- 2.Rxf8#
- 1...Bb1
- 2.Rxe8#
- 2.dxe8Q#
- 2.dxe8R#
- 1...Bf1
- 2.Rxe8#
- 2.dxe8Q#
- 2.dxe8R#
- 1...Bc2
- 2.Rxe8#
- 2.dxe8Q#
- 2.dxe8R#
- 1...Be2
- 2.Rxe8#
- 2.dxe8Q#
- 2.dxe8R#
- 1...Bc4
- 2.Rxe8#
- 2.dxe8Q#
- 2.dxe8R#
- 1...Be4
- 2.Rxe8#
- 2.dxe8Q#
- 2.dxe8R#
- 1...Bb5
- 2.Rxe8#
- 2.dxe8Q#
- 2.dxe8R#
- 1...Rxg8!
- threat
- 1.b7?
- threat
- 2.b8Q#
- 1...Kc7+
- 2.dxe8S#
- 1...Bxa6!
- threat
- 1.Sd4?
- Keys
- 1.Sd6!
- threat
- 2.Sb7#
- 2.dxe8Q#
- 1...Kxd7+
- 2.Sc8#
- 1...Ke7+
- 2.dxe8Q#
- 1...Rxd7
- 2.Sf7#
- 1...Bxa6
- 2.dxe8Q#
- 1...Bxg6
- 2.Sb7#
- 1...Rhe7
- 2.Sb7#
- 1...Rhh8
- 2.Sb7#
- 2.Sf7#
- 1...Re1
- 2.Sb7#
- 1...Re2
- 2.Sb7#
- 1...Re3
- 2.Sb7#
- 1...Re4
- 2.Sb7#
- 1...Re5
- 2.Sb7#
- 1...Re6
- 2.Sb7#
- 1...Ree7
- 2.Sb7#
- 1...Rf8
- 2.Sb7#
- 1...Rg8
- 2.Sb7#
- 1...Reh8
- 2.Sb7#
- 1...Bb5
- 2.Sb7#
- threat
- 1.Sd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 16
- REMOVED MATES = 0
- Sets
- R(d);OGATEB::R(F),XR(d)
- Tries
- Try
- S(C);
- Threat
- S(C)
- Vars
- R(d);N_GUARD::S(C),XR(d)
- Refutation
- B(a);
- Try
- B(A);
- Threat
- B(A)
- Vars
- K(c);CHECK,OGATEB,P-FLIGHT,XP(G)::R(B)+B(A)
- Refutation
- B(a);XS(C)
- Try
- R(F);P_PINR(d)
- Threat
- DUALS(3)
- Vars
- R(b);N_GUARD,N_SPINR(d),P_SPINR(b),XP(G)::B(A)
- R(d);OGATEB::R(F),XR(d)
- Refutation
- R(d);N_SPINR(d),XR(F)
- Try
- P(E);
- Threat
- P=Q
- Vars
- K(c);CHECK,S_FLIGHT::PXR(d)=S
- Refutation
- B(a);XB(D)
- Try
- Actual
- S(C);
- Threat
- DUALS(2)
- Vars
- K(c);CHECK,P-FLIGHT,XP(G)::R(B)+S(C)
- K(c);CHECK,S_FLIGHT::PXR(d)=Q
- R(b);N_GUARD,XP(G)::S(C)
- B(a);XB(D)::PXR(d)=Q
- B(a);XR(F)::S(C)
- R(b);::S(C)
- R(d);::S(C)
- B(a);::S(C)
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