MESON Chess Problem Database
Problem Display
PID: 169847 (1n1bk3/2R1P1pN/N1P1R1P1/4KpPb/6p1/8/2Q5/8 w - f5 0 1)
de Blasio, Francis JC
To Alain White, 1945
#2
10 + 7
| 56 | The Problemist | 1945 |
| 56 | The Problemist | 1981 |
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Bxc7+
- 2.Sxc7#
- 1...Bxe7
- 2.Rc8#
- 1...Sxc6+
- 2.Qxc6#
- 1...Sd7+
- 2.cxd7#
- 1...Bxc7+
- Tries
- 1.Rc8?
- threat
- 2.Sc7#
- 2.Rxd8#
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 1...Sxc6+
- 2.Qxc6#
- 1...Bxg6
- 2.exd8S#
- 1...Sxa6
- 2.Rxd8#
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 1...g3
- 2.Sc7#
- 2.Rxd8#
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 1...f4
- 2.Sc7#
- 2.Rxd8#
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 1...Sd7+!
- threat
- 1.Qd1?
- threat
- 2.Qxd8#
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 1...Bxc7+
- 2.Sxc7#
- 1...Sd7+
- 2.Qxd7#
- 2.cxd7#
- 1...Bxg6
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 1...Bxe7
- 2.Rexe7#
- 2.Rcxe7#
- 2.Rc8#
- 1...Sxa6
- 2.Qd7#
- 2.Qxd8#
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 1...g3
- 2.Qxd8#
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 1...f4
- 2.Qxd8#
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 1...Sxc6+!
- threat
- 1.Qd3?
- threat
- 2.Qxd8#
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 1...Bxc7+
- 2.Sxc7#
- 1...Sd7+
- 2.Qxd7#
- 2.cxd7#
- 1...Bxg6
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 1...Bxe7
- 2.Rexe7#
- 2.Rcxe7#
- 2.Rc8#
- 1...Sxa6
- 2.Qd7#
- 2.Qxd8#
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 1...g3
- 2.Qxd8#
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 1...f4
- 2.Qxd8#
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 1...Sxc6+!
- threat
- 1.Qxf5?
- threat
- 2.Qf7#
- 2.Qf8#
- 1...Bxc7+
- 2.Sxc7#
- 1...Sd7+
- 2.cxd7#
- 1...Bxg6
- 2.Qxg6#
- 2.Qf8#
- 1...Bxe7
- 2.Rc8#
- 2.Qf8#
- 1...Sxc6+!
- threat
- 1.Qd2?
- threat
- 2.Qxd8#
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 1...Bxc7+
- 2.Sxc7#
- 1...Sd7+
- 2.Qxd7#
- 2.cxd7#
- 1...Bxg6
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 1...Bxe7
- 2.Rexe7#
- 2.Rcxe7#
- 2.Rc8#
- 1...Sxa6
- 2.Qd7#
- 2.Qxd8#
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 1...g3
- 2.Qxd8#
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 1...f4
- 2.Qxd8#
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 1...Sxc6+!
- threat
- 1.Rc8?
- Keys
- 1.gxf5 ep!
- threat
- 2.f7#
- 1...Bxc7+
- 2.Sxc7#
- 1...Sxc6+
- 2.Qxc6#
- 1...Sd7+
- 2.cxd7#
- 1...gxf6+
- 2.Sxf6#
- 1...Bxg6
- 2.Qxg6#
- 1...Bxe7
- 2.Rc8#
- threat
- 1.gxf5 ep!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(f);CHECK,XR(H)::S(D),XB(f)
- B(f);OGATEB,P_SPINB(f),XP(I)::R(H)
- S(e);CHECK,OGATE,XP(E)::QAB(A),XS(e)
- S(e);CHECK,OGATE::P(E),XS(e)
- Tries
- Try
- R(H);P_PINB(f)
- Threat
- DUALS(6)
- Vars
- S(e);CHECK,OGATE,XP(E)::QAB(A),XS(e)
- B(c);XP(G)::PXB(f)=S
- Refutation
- S(e);CHECK
- Try
- Q(A);
- Threat
- DUALS(5)
- Vars
- B(f);CHECK,XR(H)::S(D),XB(f)
- Refutation
- S(e);CHECK,XP(E)
- Try
- Q(A);
- Threat
- DUALS(5)
- Vars
- B(f);CHECK,XR(H)::S(D),XB(f)
- Refutation
- S(e);CHECK,XP(E)
- Try
- Q(A);XP(b)
- Threat
- DUALS(2)
- Vars
- B(f);CHECK,XR(H)::S(D),XB(f)
- S(e);CHECK,OGATE::P(E),XS(e)
- Refutation
- S(e);CHECK,XP(E)
- Try
- Q(A);
- Threat
- DUALS(5)
- Vars
- B(f);CHECK,XR(H)::S(D),XB(f)
- Refutation
- S(e);CHECK,XP(E)
- Try
- Actual
- P(C);EP,XP(b)
- Threat
- P(C)
- Vars
- B(f);CHECK,XR(H)::S(D),XB(f)
- S(e);CHECK,OGATE,XP(E)::QAB(A),XS(e)
- S(e);CHECK,OGATE::P(E),XS(e)
- P(d);CHECK,XP(C)::S(J),XP(d)
- B(c);OGATE,XP(G)::QAB(A),XB(c)
- B(f);OGATEB,P_SPINB(f),XP(I)::R(H)
Developed and maintained by Brian Stephenson.
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