MESON Chess Problem Database
Problem Display
PID: 56043 (1r1b4/4P1Pp/Np1kq2R/1P1pRBP1/2P4p/7Q/1B6/2K5 w - - 0 1)
Mansfield, Comins
The Problemist, 1980
#2
12 + 8
| 4054 | Complete Mansfield/III | 1999 |
SOLUTION
- SOUND
- Sets
- 1...Qf6
- 2.Rxf6#
- 2.Qa3#
- 2.e8S#
- 1...Qg6
- 2.Qa3#
- 2.e8S#
- 1...Qxh6
- 2.Qa3#
- 2.e8S#
- 1...Bxe7
- 2.Rxd5#
- 1...Qf6
- Tries
- 1.Bb1?
- threat
- 2.Qxe6#
- 1...Kxe7
- 2.Qxe6#
- 1...Qxh6
- 2.e8S#
- 1...Qf6
- 2.Rxf6#
- 2.e8S#
- 1...Qg6
- 2.e8S#
- 1...Kd7!
- threat
- 1.Bc2?
- threat
- 2.Qxe6#
- 1...Kxe7
- 2.Qxe6#
- 1...Qxh6
- 2.e8S#
- 1...Qf6
- 2.Rxf6#
- 2.e8S#
- 1...Qg6
- 2.e8S#
- 1...Kd7!
- threat
- 1.Bd3?
- threat
- 2.Qxe6#
- 1...Kxe7
- 2.Qxe6#
- 1...Qxh6
- 2.e8S#
- 1...Qf6
- 2.Rxf6#
- 2.e8S#
- 1...Qg6
- 2.e8S#
- 1...Kd7!
- threat
- 1.Be4?
- threat
- 2.Qxe6#
- 1...Kxe7
- 2.Qxe6#
- 1...Qxh6
- 2.e8S#
- 1...Qf6
- 2.Rxf6#
- 2.e8S#
- 1...Qg6
- 2.e8S#
- 1...Kd7!
- threat
- 1.Bxe6?
- threat
- 2.Bg4#
- 2.Bxd5#
- 2.Bf5#
- 2.Bd7#
- 2.Bf7#
- 2.Bc8#
- 2.Bg8#
- 2.Qa3#
- 1...Kxe7
- 2.Bxd5#
- 2.Bg8#
- 1...Bxe7
- 2.Rxd5#
- 2.Qa3#
- 1...dxc4
- 2.Bxc4#
- 2.Bg4#
- 2.Bd5#
- 2.Bf5#
- 2.Bd7#
- 2.Bf7#
- 2.Bc8#
- 2.Bg8#
- 2.Qa3#
- 1...Rc8
- 2.Bg4#
- 2.Bxd5#
- 2.Bf5#
- 2.Bd7#
- 2.Bf7#
- 2.Bxc8#
- 2.Bg8#
- 1...d4!
- threat
- 1.Bxh7?
- threat
- 2.Qxe6#
- 1...Kxe7
- 2.Qxe6#
- 1...Qxh6
- 2.e8S#
- 1...Qf6
- 2.Rxf6#
- 2.e8S#
- 1...Qg6
- 2.Rxg6#
- 2.e8S#
- 1...Kd7!
- threat
- 1.e8Q?
- threat
- 2.Rxd5#
- 2.Rexe6#
- 2.Rhxe6#
- 2.Qa3#
- 2.Qxe6#
- 1...Qxh6
- 2.Ba3#
- 2.Rxd5#
- 2.Qc6#
- 2.Qd7#
- 2.Qa3#
- 1...dxc4
- 2.Rhxe6#
- 2.Qa3#
- 2.Qxe6#
- 1...d4
- 2.Rd5#
- 2.Rexe6#
- 2.Rhxe6#
- 2.Qxe6#
- 1...Qf6
- 2.Ba3#
- 2.Rxd5#
- 2.Qc6#
- 2.Qd7#
- 2.Qa3#
- 1...Qg6
- 2.Ba3#
- 2.Rxd5#
- 2.Qc6#
- 2.Qd7#
- 2.Qa3#
- 1...Rc8
- 2.Rxd5#
- 2.Rexe6#
- 2.Rhxe6#
- 2.Qxe6#
- 1...Bf6
- 2.Rxe6#
- 2.Qa3#
- 2.Qxe6#
- 1...Be7
- 2.Rxd5#
- 2.Rexe6#
- 2.Rhxe6#
- 2.Qc6#
- 2.Qa3#
- 1...Bxg5+!
- threat
- 1.e8B?
- threat
- 2.Rexe6#
- 2.Rhxe6#
- 2.Qa3#
- 1...Ke7
- 2.Rexe6#
- 2.Rhxe6#
- 1...Qxh6
- 2.Qa3#
- 1...dxc4
- 2.Rhxe6#
- 2.Qa3#
- 1...d4
- 2.Rexe6#
- 2.Rhxe6#
- 1...Qf6
- 2.Qa3#
- 1...Qg6
- 2.Qa3#
- 1...Rc8
- 2.Rexe6#
- 2.Rhxe6#
- 1...Bf6
- 2.Rxe6#
- 2.Qa3#
- 1...Bxg5+!
- threat
- 1.Bb1?
- Keys
- 1.Bg6!
- threat
- 2.Qxe6#
- 1...Kd7
- 2.Qxe6#
- 1...Kxe7
- 2.Qxe6#
- 1...Qxh3
- 2.Bf5#
- 1...Qxe5
- 2.Ba3#
- 1...Qxg6
- 2.e8S#
- 1...Qxe7
- 2.Rxd5#
- 1...Qg4
- 2.Bf5#
- 1...Qf5
- 2.Bxf5#
- 1...Qd7
- 2.Qa3#
- 1...Qf7
- 2.Bxf7#
- 1...Qc8
- 2.e8S#
- 1...Qg8
- 2.Bf7#
- 1...Qf6
- 2.e8S#
- threat
- 1.Bg6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 13
- REMOVED MATES = 1
- Sets
- B(h);SBLOCK,XP(K)::R1(F),XP(b)
- Tries
- Try
- B(G);
- Threat
- QAR1(C),XQ(e)
- Vars
- K(d);S_FLIGHT,XP(K)::QAR1(C),XQ(e)
- Q(e);N_SPINQ(e),P_PINP(H),XR(J)::P=S
- Q(e);::P=S
- Refutation
- K(d);P-FLIGHT
- Try
- B(G);
- Threat
- QAR1(C),XQ(e)
- Vars
- K(d);S_FLIGHT,XP(K)::QAR1(C),XQ(e)
- Q(e);N_SPINQ(e),P_PINP(H),XR(J)::P=S
- Q(e);::P=S
- Refutation
- K(d);P-FLIGHT
- Try
- B(G);
- Threat
- QAR1(C),XQ(e)
- Vars
- K(d);S_FLIGHT,XP(K)::QAR1(C),XQ(e)
- Q(e);N_SPINQ(e),P_PINP(H),XR(J)::P=S
- Q(e);::P=S
- Refutation
- K(d);P-FLIGHT
- Try
- B(G);
- Threat
- QAR1(C),XQ(e)
- Vars
- K(d);S_FLIGHT,XP(K)::QAR1(C),XQ(e)
- Q(e);N_SPINQ(e),P_PINP(H),XR(J)::P=S
- Q(e);::P=S
- Refutation
- K(d);P-FLIGHT
- Try
- B(G);XQ(e)
- Threat
- DUALS(8)
- Refutation
- P(b);
- Try
- B(G);XP(f)
- Threat
- QAR1(C),XQ(e)
- Vars
- K(d);S_FLIGHT,XP(K)::QAR1(C),XQ(e)
- Q(e);N_SPINQ(e),P_PINP(H),XR(J)::P=S
- Refutation
- K(d);P-FLIGHT
- Try
- P(K);
- Threat
- DUALS(5)
- Refutation
- B(h);CHECK,XP(H)
- Try
- P(K);
- Threat
- DUALS(3)
- Vars
- Q(e);N_SPINQ(e),P_PINP(H),XR(J)::QAB(C)
- Q(e);::QAB(C)
- Refutation
- B(h);CHECK,XP(H)
- Try
- Actual
- B(G);N_PINQ(e)
- Threat
- QAR1(C),XQ(e)
- Vars
- K(d);P-FLIGHT,P_SPINQ(e)::QAB1(C),XQ(e)
- K(d);P_SPINQ(e),S_FLIGHT,XP(K)::QAR1(C),XQ(e)
- Q(e);OGATEB,XQ(C)::R(J)+B(G)
- Q(e);SBLOCK,XR(F)::B(B)
- Q(e);N_GUARD,P_SPINQ(e),XB(G)::P=S
- Q(e);N_GUARD,SBLOCK,XP(K)::R1(F),XP(b)
- Q(e);OGATEB::R(J)+B(G)
- Q(e);OGATEB::R(J)+B(G),XQ(e)
- Q(e);SBLOCK::QAB(C)
- Q(e);N_GUARD,P_PINP(D)::P=S
- Q(e);N_GUARD::P=S
Developed and maintained by Brian Stephenson.
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