MESON Chess Problem Database
Problem Display
PID: 139237 (8/8/8/1R1B1R2/b2k2pK/1r1P1rP1/1P2pP2/1Q2N1B1 w - - 0 1)
Hume, George
Pen & Pencil, 1889
#2
11 + 6
| 56 | The Problemist | 1937 |
SOLUTION
- SOUND
- Sets
- 1...Rxb2
- 2.Qxb2#
- 1...Rxf2
- 2.Bxf2#
- 1...Rxd3
- 2.Sc2#
- 1...Re3
- 2.fxe3#
- 1...Rxg3
- 2.fxg3#
- 1...Rf4
- 2.f3#
- 1...Rxf5
- 2.f4#
- 1...Rxb2
- Tries
- 1.Bxb3?
- threat
- 2.Rb4#
- 2.Rbd5#
- 2.Rfd5#
- 1...Rxf2
- 2.Bxf2#
- 1...Rxd3
- 2.Rb4#
- 2.Rf4#
- 2.Qxd3#
- 1...Rxf5
- 2.f3#
- 2.f4#
- 1...Bxb5
- 2.Rd5#
- 1...Bxb3!
- threat
- 1.Bxf3?
- threat
- 2.Rbd5#
- 2.Rf4#
- 2.Rfd5#
- 1...Rxb2
- 2.Qxb2#
- 1...Rxd3
- 2.Rb4#
- 2.Rf4#
- 2.Qxd3#
- 1...Bxb5
- 2.Rd5#
- 1...Rxb5!
- threat
- 1.Bc6?
- threat
- 2.Rbd5#
- 2.Rfd5#
- 1...Rxb2
- 2.Qxb2#
- 1...Rbxd3
- 2.Rb4#
- 1...Rxf2
- 2.Bxf2#
- 1...Rfxd3
- 2.Rf4#
- 1...Rxf5
- 2.f3#
- 2.f4#
- 1...Bxb5
- 2.Rd5#
- 1...Rxb5!
- threat
- 1.Be6?
- threat
- 2.Rbd5#
- 2.Rfd5#
- 1...Rxb2
- 2.Qxb2#
- 1...Rbxd3
- 2.Rb4#
- 1...Rxf2
- 2.Bxf2#
- 1...Rfxd3
- 2.Rf4#
- 1...Rxf5
- 2.f3#
- 2.f4#
- 1...Bxb5
- 2.Rd5#
- 1...Rxb5!
- threat
- 1.Bb7?
- threat
- 2.Rbd5#
- 2.Rfd5#
- 1...Rxb2
- 2.Qxb2#
- 1...Rbxd3
- 2.Rb4#
- 1...Rxf2
- 2.Bxf2#
- 1...Rfxd3
- 2.Rf4#
- 1...Rxf5
- 2.f3#
- 2.f4#
- 1...Bxb5
- 2.Rd5#
- 1...Rxb5!
- threat
- 1.Bf7?
- threat
- 2.Rbd5#
- 2.Rfd5#
- 1...Rxb2
- 2.Qxb2#
- 1...Rbxd3
- 2.Rb4#
- 1...Rxf2
- 2.Bxf2#
- 1...Rfxd3
- 2.Rf4#
- 1...Rxf5
- 2.f3#
- 2.f4#
- 1...Bxb5
- 2.Rd5#
- 1...Rxb5!
- threat
- 1.Ba8?
- threat
- 2.Rbd5#
- 2.Rfd5#
- 1...Rxb2
- 2.Qxb2#
- 1...Rbxd3
- 2.Rb4#
- 1...Rxf2
- 2.Bxf2#
- 1...Rfxd3
- 2.Rf4#
- 1...Rxf5
- 2.f3#
- 2.f4#
- 1...Bxb5
- 2.Rd5#
- 1...Rxb5!
- threat
- 1.Bg8?
- threat
- 2.Rbd5#
- 2.Rfd5#
- 1...Rxb2
- 2.Qxb2#
- 1...Rbxd3
- 2.Rb4#
- 1...Rxf2
- 2.Bxf2#
- 1...Rfxd3
- 2.Rf4#
- 1...Rxf5
- 2.f3#
- 2.f4#
- 1...Bxb5
- 2.Rd5#
- 1...Rxb5!
- threat
- 1.Qc2?
- threat
- 2.Qc4#
- 2.Qc5#
- 1...Rxb5
- 2.Qc3#
- 2.Qc4#
- 1...Rxf2
- 2.Bxf2#
- 2.Qc5#
- 1...Rxf5
- 2.f4#
- 1...Rc3
- 2.Qxc3#
- 2.bxc3#
- 1...Rb4
- 2.Rxb4#
- 2.Qc3#
- 2.Qc5#
- 1...Bxb5!
- threat
- 1.Qc1?
- threat
- 2.Qc4#
- 2.Qc5#
- 1...Rxb5
- 2.Qc3#
- 2.Qc4#
- 1...Rxf2
- 2.Bxf2#
- 2.Qf4#
- 2.Qc5#
- 1...Rxf5
- 2.Qe3#
- 2.f4#
- 1...Rc3
- 2.Qxc3#
- 2.bxc3#
- 1...Rb4
- 2.Rxb4#
- 2.Qc3#
- 2.Qc5#
- 1...Bxb5!
- threat
- 1.Bxb3?
- Keys
- 1.Qa1!
- 1...Rxb2
- 2.Qxb2#
- 1...Rbxd3
- 2.Qxa4#
- 1...Rxb5
- 2.b4#
- 1...Rxf2
- 2.Bxf2#
- 1...Rfxd3
- 2.Sc2#
- 1...Rxg3
- 2.fxg3#
- 1...Rxf5
- 2.f4#
- 1...Bxb5
- 2.Qa7#
- 1...Rc3
- 2.bxc3#
- 1...Ra3
- 2.bxa3#
- 1...Rb4
- 2.b3#
- 1...Re3
- 2.fxe3#
- 1...Rf4
- 2.f3#
- 1...Rxb2
- 1.Qa1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- R(b);OGATE,XP(D)::QAB(A),XR(b)
- R(c);OGATE,P_SPINR(c),XP(E)::B(C),XR(c)
- R(c);SBLOCK,XP(F)::S(B)
- R(c);OGATE::P(E),XR(c)
- R(c);OGATE,XP(G)::B(C)+P(E),XR(c)
- R(c);OGATE::B(C)+P(E)
- R(c);OGATE,XR(K)::B(C)+P(E)
- Tries
- Try
- B(J);XR(b)
- Threat
- DUALS(3)
- Vars
- R(c);OGATE,P_SPINR(c),XP(E)::B(C),XR(c)
- B(d);XR(I)::R1(K)
- Refutation
- B(d);XB(J)
- Try
- B(J);XR(c)
- Threat
- DUALS(3)
- Vars
- R(b);OGATE,XP(D)::QAB(A),XR(b)
- B(d);XR(I)::R1(K)
- Refutation
- R(b);XR(I)
- Try
- B(J);
- Threat
- DUALS(2)
- Vars
- R(b);OGATE,XP(D)::QAB(A),XR(b)
- R(b);N_GUARD,XP(F)::R(I)
- R(c);OGATE,P_SPINR(c),XP(E)::B(C),XR(c)
- R(c);N_GUARD,XP(F)::R(K)
- B(d);XR(I)::R1(K)
- Refutation
- R(b);XR(I)
- Try
- B(J);
- Threat
- DUALS(2)
- Vars
- R(b);OGATE,XP(D)::QAB(A),XR(b)
- R(b);N_GUARD,XP(F)::R(I)
- R(c);OGATE,P_SPINR(c),XP(E)::B(C),XR(c)
- R(c);N_GUARD,XP(F)::R(K)
- B(d);XR(I)::R1(K)
- Refutation
- R(b);XR(I)
- Try
- B(J);
- Threat
- DUALS(2)
- Vars
- R(b);OGATE,XP(D)::QAB(A),XR(b)
- R(b);N_GUARD,XP(F)::R(I)
- R(c);OGATE,P_SPINR(c),XP(E)::B(C),XR(c)
- R(c);N_GUARD,XP(F)::R(K)
- B(d);XR(I)::R1(K)
- Refutation
- R(b);XR(I)
- Try
- B(J);
- Threat
- DUALS(2)
- Vars
- R(b);OGATE,XP(D)::QAB(A),XR(b)
- R(b);N_GUARD,XP(F)::R(I)
- R(c);OGATE,P_SPINR(c),XP(E)::B(C),XR(c)
- R(c);N_GUARD,XP(F)::R(K)
- B(d);XR(I)::R1(K)
- Refutation
- R(b);XR(I)
- Try
- B(J);
- Threat
- DUALS(2)
- Vars
- R(b);OGATE,XP(D)::QAB(A),XR(b)
- R(b);N_GUARD,XP(F)::R(I)
- R(c);OGATE,P_SPINR(c),XP(E)::B(C),XR(c)
- R(c);N_GUARD,XP(F)::R(K)
- B(d);XR(I)::R1(K)
- Refutation
- R(b);XR(I)
- Try
- B(J);
- Threat
- DUALS(2)
- Vars
- R(b);OGATE,XP(D)::QAB(A),XR(b)
- R(b);N_GUARD,XP(F)::R(I)
- R(c);OGATE,P_SPINR(c),XP(E)::B(C),XR(c)
- R(c);N_GUARD,XP(F)::R(K)
- B(d);XR(I)::R1(K)
- Refutation
- R(b);XR(I)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(c);OGATE,XR(K)::B(C)+P(E)
- Refutation
- B(d);XR(I)
- Try
- Q(A);
- Threat
- DUALS(2)
- Refutation
- B(d);XR(I)
- Try
- Actual
- Q(A);
- Vars
- R(b);OGATE,P_SPINR(b),XP(D)::QAB(A),XR(b)
- R(b);N_GUARD,XP(F)::QAR(A),XB(d)
- R(b);OGATE,XR(I)::QAB(A)+P(D)
- R(c);OGATE,P_SPINR(c),XP(E)::B(C),XR(c)
- R(c);SBLOCK,XP(F)::S(B)
- R(c);OGATE,XP(G)::B(C)+P(E),XR(c)
- R(c);OGATE,XR(K)::B(C)+P(E)
- B(d);OGATE,XR(I)::QAB(A)
- R(b);OGATE::P(D),XR(b)
- R(b);OGATE::QAB(A)+P(D),XR(b)
- R(b);OGATE::QAB(A)+P(D)
- R(c);OGATE::P(E),XR(c)
- R(c);OGATE::B(C)+P(E)
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