MESON Chess Problem Database
Problem Display
PID: 142097 (Q7/1rR1NN2/1P1pPpK1/1p3P2/1Bbk4/1P2b1P1/2B1R3/5r2 w - - 0 1)
Allen, Jeff W
British Chess Magazine 06. Ty., 1890
#2
13 + 8
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Qxa1#
- 1...Rf2
- 2.Qa1#
- 1...Rf3
- 2.Qa1#
- 1...Rf4
- 2.Qa1#
- 1...Rxf5
- 2.Qa1#
- 1...Rxb6
- 2.Qe4#
- 1...Ra7
- 2.Qe4#
- 1...Rxc7
- 2.Qe4#
- 1...Rb8
- 2.Qe4#
- 1...Bc1
- 2.Re4#
- 1...Bg1
- 2.Re4#
- 1...Bd2
- 2.Re4#
- 1...Bf2
- 2.Re4#
- 1...Bf4
- 2.Re4#
- 1...Bg5
- 2.Re4#
- 1...Bh6
- 2.Re4#
- 1...Bxe2
- 2.Bc3#
- 1...Bxb3
- 2.Bc3#
- 1...Bd5
- 2.Bc3#
- 1...Bxe6
- 2.Bc3#
- 1...d5
- 2.Sc6#
- 1...Ra1
- Tries
- 1.Sd8?
- threat
- 2.Sdc6#
- 1...Ke5
- 2.Sdc6#
- 2.Bc3#
- 1...Rxb6
- 2.Qe4#
- 1...Rxc7
- 2.Qe4#
- 1...Bxb3
- 2.Bc3#
- 1...Bd5
- 2.Bc3#
- 1...Bd3!
- threat
- 1.Qxb7?
- threat
- 2.Qe4#
- 1...Bd3
- 2.Bc3#
- 2.Qd5#
- 1...Bd5
- 2.Bc3#
- 2.Qxd5#
- 1...d5
- 2.Sc6#
- 1...Rf4!
- threat
- 1.Sd8?
- Keys
- 1.Sg5!
- 1...Ke5
- 2.Bc3#
- 1...Rxf5
- 2.Qa1#
- 1...Rxb6
- 2.Qe4#
- 1...Rxc7
- 2.Qe4#
- 1...Bxg5
- 2.Re4#
- 1...Bxe2
- 2.Bc3#
- 1...Bxb3
- 2.Bc3#
- 1...Bxe6
- 2.Bc3#
- 1...fxg5
- 2.Qh8#
- 1...Ra1
- 2.Sf3#
- 2.Qxa1#
- 1...Rb1
- 2.Sf3#
- 1...Rc1
- 2.Sf3#
- 1...Rd1
- 2.Sf3#
- 1...Re1
- 2.Sf3#
- 1...Rg1
- 2.Sf3#
- 1...Rh1
- 2.Sf3#
- 1...Rf2
- 2.Qa1#
- 1...Rf3
- 2.Sxf3#
- 2.Qa1#
- 1...Rf4
- 2.Qa1#
- 1...Ra7
- 2.Qe4#
- 1...Rb8
- 2.Qe4#
- 1...Bc1
- 2.Re4#
- 1...Bg1
- 2.Re4#
- 1...Bd2
- 2.Re4#
- 1...Bf2
- 2.Sf3#
- 2.Re4#
- 1...Bf4
- 2.Re4#
- 1...Bd3
- 2.Bc3#
- 1...Bd5
- 2.Bc3#
- 1...d5
- 2.Sc6#
- 1...Ke5
- 1.Sg5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 4
- Sets
- R(a);N_GUARD::QAB(M),XR(a)
- R(a);N_GUARD::QAB(M)
- R(a);N_GUARD,XP(F)::QAB(M)
- R(h);OGATE,XP(G)::QAR1(M)
- R(h);OGATE::QAR1(M)
- R(h);OGATE,XR(J)::QAR1(M)
- B(b);OGATE::R1(B)
- B(c);XR(B)::B(E)
- B(c);XP(C)::B(E)
- B(c);::B(E)
- B(c);XP(H)::B(E)
- P(f);SBLOCK::S(K)
- Tries
- Try
- S(L);
- Threat
- S(L)
- Vars
- R(h);OGATE,XP(G)::QAR1(M)
- R(h);OGATE,XR(J)::QAR1(M)
- B(c);XP(C)::B(E)
- B(c);::B(E)
- Refutation
- B(c);P_PINP(F)
- Try
- Q(M);XR(h)
- Threat
- QAR1(M)
- Vars
- P(f);SBLOCK::S(K)
- Refutation
- R(a);
- Try
- Actual
- S(L);
- Vars
- K(d);P_SPINB(b),S_FLIGHT::B(E)
- R(a);N_GUARD,XP(F)::QAB(M)
- R(h);OGATE,XP(G)::QAR1(M)
- R(h);OGATE,XR(J)::QAR1(M)
- B(b);OGATE,XS(L)::R1(B)
- B(c);XR(B)::B(E)
- B(c);XP(C)::B(E)
- B(c);XP(H)::B(E)
- P(g);OGATEB,XS(L)::QAB(M)
- R(a);N_GUARD::S(L)
- R(a);N_GUARD::QAB(M)
- R(h);OGATE::QAR1(M)
- B(b);OGATE::R1(B)
- B(c);P_PINP(F)::B(E)
- B(c);::B(E)
- P(f);SBLOCK::S(K)
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