MESON Chess Problem Database
Problem Display
PID: 101267 (5RN1/2p4n/2qP4/3p1p2/R1P1k3/pQB2pP1/K1Ppr3/3N1B2 w - - 0 1)
Anonymous
Western Daily Mercury, 1906
(First published on Fri Nov 16 1906)
#2
12 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qb7
- 2.Re8#
- 1...Qe8
- 2.Rxe8#
- 1...Qxc4
- 2.Re8#
- 1...Qc5
- 2.Re8#
- 1...Qa6
- 2.Re8#
- 1...Qb6
- 2.Re8#
- 1...Re1
- 2.Bd3#
- 1...Rf2
- 2.Bd3#
- 1...Rg2
- 2.Bd3#
- 1...Rh2
- 2.Bd3#
- 1...Re3
- 2.Sf2#
- 1...Sg5
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sxf8
- 2.Sf6#
- 1...f2
- 2.Bg2#
- 1...f4
- 2.Rxf4#
- 1...Qb7
- Tries
- 1.Ba1?
- threat
- 2.Qd3#
- 1...Qxc4
- 2.Re8#
- 1...Re3
- 2.Sf2#
- 2.Qxe3#
- 1...d4!
- threat
- 1.Bf6?
- threat
- 2.Qd3#
- 1...Qxc4
- 2.Re8#
- 1...Re3
- 2.Sf2#
- 2.Qxe3#
- 1...Sxf6!
- threat
- 1.Bg7?
- threat
- 2.Qd3#
- 1...Qxc4
- 2.Re8#
- 1...Re3
- 2.Sf2#
- 2.Qxe3#
- 1...Sf6!
- threat
- 1.Bh8?
- threat
- 2.Qd3#
- 1...Qxc4
- 2.Re8#
- 1...Re3
- 2.Sf2#
- 2.Qxe3#
- 1...Sf6!
- threat
- 1.cxd5+?
- 1...Qc4
- 2.Qxc4#
- 1...Qxa4!
- 1...Qc4
- 1.c5+?
- 1...d4
- 2.Qe6#
- 1...Qxa4!
- 1...d4
- 1.Ba1?
- Keys
- 1.Qb7!
- 1...Qxc4+
- 2.Rxc4#
- 1...Qxa4
- 2.Qxd5#
- 1...Qxb7
- 2.Re8#
- 1...Qxd6
- 2.c5#
- 1...Sxf8
- 2.Sf6#
- 1...dxc4
- 2.Qxc6#
- 1...cxd6
- 2.Qe7#
- 1...f2
- 2.Bg2#
- 1...d4
- 2.Re8#
- 1...Qb5
- 2.cxb5#
- 1...Qd7
- 2.Qxd5#
- 1...Qe8
- 2.Rxe8#
- 2.Qxd5#
- 1...Qc5
- 2.Re8#
- 1...Qa6
- 2.Re8#
- 2.Qxd5#
- 1...Qb6
- 2.Re8#
- 2.Qxd5#
- 1...Re1
- 2.Bd3#
- 1...Rf2
- 2.Bd3#
- 1...Rg2
- 2.Bd3#
- 1...Rh2
- 2.Bd3#
- 1...Re3
- 2.Sf2#
- 1...Sg5
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...f4
- 2.Rxf4#
- 1...Qxc4+
- 1.Qb7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 7
- REMOVED MATES = 3
- Sets
- Q(h);N_GUARD::R(K)
- Q(h);N_GUARD::R(K),XQ(h)
- Q(h);N_GUARD,P_PINQ(E),P_SPINQ(h),XP(I)::R(K)
- R(b);OGATE::B(B)
- R(b);N_GUARD,SBLOCK::S(A)
- S(j);N_GUARD::S(L)
- S(j);N_GUARD::S(L),XS(j)
- S(j);N_GUARD,XR(K)::S(L)
- P(d);OGATEB::B(B)
- P(g);OGATE::R1(K),XP(g)
- Tries
- Try
- B(F);
- Threat
- QAB1(E)
- Vars
- Q(h);N_GUARD,P_PINQ(E),P_SPINQ(h),XP(I)::R(K)
- Refutation
- P(f);
- Try
- B(F);
- Threat
- QAB1(E)
- Vars
- Q(h);N_GUARD,P_PINQ(E),P_SPINQ(h),XP(I)::R(K)
- Refutation
- S(j);XB(F)
- Try
- B(F);
- Threat
- QAB1(E)
- Vars
- Q(h);N_GUARD,P_PINQ(E),P_SPINQ(h),XP(I)::R(K)
- Refutation
- S(j);
- Try
- B(F);
- Threat
- QAB1(E)
- Vars
- Q(h);N_GUARD,P_PINQ(E),P_SPINQ(h),XP(I)::R(K)
- Refutation
- S(j);
- Try
- P(I);CHECK,XP(f)
- Vars
- Q(h);N_GUARD,P_PINQ(E),P_SPINQ(h)::QAR2(E),XQ(h)
- Refutation
- Q(h);XR(H)
- Try
- P(I);CHECK
- Vars
- P(f);OGATE,P_SPINP(f)::QAR2(E)
- Refutation
- Q(h);XR(H)
- Try
- Actual
- Q(E);
- Vars
- Q(h);CHECK,OGATE,P_SPINP(f),P_SPINQ(h),XP(I)::R(H),XQ(h)
- Q(h);OGATE,P_SPINP(f),XR(H)::QAB1(E),XP(f)
- Q(h);N_GUARD,XQ(E)::R(K)
- Q(h);N_GUARD,P_SPINP(f),XP(J)::R(H)+P(I)
- S(j);N_GUARD,XR(K)::S(L)
- P(f);OGATEB,P_SPINP(f),P_SPINQ(h),XP(I)::QAB(E),XQ(h)
- P(i);OGATE,XP(J)::QAR(E)
- P(d);OGATEB::B(B)
- P(f);P_SPINQ(h)::R(K)
- Q(h);OGATE,P_SPINP(f)::R(H)+P(I),XQ(h)
- Q(h);OGATE,P_SPINP(f)::QAB1(E),XP(f)
- Q(h);N_GUARD,P_SPINP(f)::R(K)
- R(b);OGATE::B(B)
- R(b);N_GUARD,SBLOCK::S(A)
- S(j);N_GUARD::S(L)
- S(j);N_GUARD::S(L),XS(j)
- P(g);OGATE::R1(K),XP(g)
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