MESON Chess Problem Database
Problem Display
PID: 51393 (2N1KBN1/5p2/r1p1p1r1/3kp3/1R6/1pP1Pb2/7Q/1n6 w - - 0 1)
Galbraith, CA
Manchester Guardian, 1959
#2
8 + 10
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sb6#
- 1...Ra2
- 2.Sb6#
- 1...Ra3
- 2.Sb6#
- 1...Ra4
- 2.Sb6#
- 1...Ra5
- 2.Sb6#
- 1...Rb6
- 2.Sxb6#
- 1...Ra7
- 2.Sb6#
- 1...Rg1
- 2.Sf6#
- 1...Rg2
- 2.Sf6#
- 1...Rg3
- 2.Sf6#
- 1...Rg4
- 2.Sf6#
- 1...Rg5
- 2.Sf6#
- 1...Rf6
- 2.Sxf6#
- 1...Rg7
- 2.Sf6#
- 1...Bd1
- 2.e4#
- 1...Be2
- 2.e4#
- 1...Be4
- 2.c4#
- 1...Bg4
- 2.e4#
- 1...Bh5
- 2.e4#
- 1...Sd2
- 2.Qxd2#
- 1...Sa3
- 2.Qd2#
- 1...Sxc3
- 2.Qd2#
- 1...e4
- 2.Rd4#
- 2.Qd6#
- 2.c4#
- 1...c5
- 2.Sge7#
- 1...Ra1
- Tries
- 1.Bd6?
- threat
- 2.Sge7#
- 2.Qxe5#
- 1...c5
- 2.Sge7#
- 1...Ra7
- 2.Qxe5#
- 1...Rg3
- 2.Sf6#
- 2.Sge7#
- 1...Rg5
- 2.Sf6#
- 2.Sge7#
- 1...e4
- 2.Sce7#
- 2.Sge7#
- 2.Rd4#
- 2.Qe5#
- 2.c4#
- 1...f6
- 2.Sge7#
- 1...Rxg8+!
- threat
- 1.Qe2?
- threat
- 2.Qd3#
- 2.Qc4#
- 1...Bxe2
- 2.e4#
- 1...c5
- 2.Sge7#
- 1...Rg4
- 2.Sf6#
- 1...Be4
- 2.Qc4#
- 2.c4#
- 1...Sd2
- 2.Qd3#
- 2.Qxd2#
- 1...Sa3
- 2.Qd3#
- 2.Qd2#
- 1...e4!
- threat
- 1.Qh4?
- threat
- 2.Qd8#
- 2.Qc4#
- 2.c4#
- 1...Sxc3
- 2.Qd8#
- 2.Qc4#
- 1...c5
- 2.Sge7#
- 1...Ra7
- 2.Sb6#
- 2.Qc4#
- 2.c4#
- 1...Rg4
- 2.Sf6#
- 2.Qd8#
- 1...Rg5
- 2.Sf6#
- 2.Qc4#
- 2.c4#
- 1...Rf6
- 2.Sxf6#
- 2.Qc4#
- 2.c4#
- 1...Be2
- 2.Qd8#
- 2.Qe4#
- 2.e4#
- 1...Be4
- 2.Qd8#
- 2.Qxe4#
- 2.c4#
- 1...Bg4
- 2.Qd8#
- 2.e4#
- 1...Sd2
- 2.Qd8#
- 1...Sa3
- 2.Qd8#
- 1...f6
- 2.Qc4#
- 2.c4#
- 1...e4!
- threat
- 1.Qh5?
- threat
- 2.Rd4#
- 1...Bxh5
- 2.e4#
- 1...c5
- 2.Sge7#
- 1...Ra4
- 2.Sb6#
- 1...Rg4
- 2.Sf6#
- 1...Rg5
- 2.Sf6#
- 1...f5!
- threat
- 1.Bd6?
- Keys
- 1.Qb2!
- threat
- 2.Qxb3#
- 1...e4
- 2.c4#
- 1...c5
- 2.Sge7#
- 1...Ra3
- 2.Sb6#
- 1...Rg4
- 2.Sf6#
- 1...Bd1
- 2.e4#
- 1...Be2
- 2.e4#
- 1...Sd2
- 2.Qxd2#
- 1...Sa3
- 2.Qd2#
- threat
- 1.Qb2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 16
- Sets
- R(f);N_GUARD::S(E)
- R(f);N_GUARD::S(E),XR(f)
- R(i);N_GUARD::S(H)
- R(i);N_GUARD::S(H),XR(i)
- B(c);N_GUARD::P(C)
- B(c);SBLOCK::P(B)
- S(a);N_GUARD::QAR(A),XS(a)
- S(a);N_GUARD::QAR(A)
- S(a);N_GUARD,XP(B)::QAR(A)
- P(g);SBLOCK::S(H)
- Tries
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- P(g);::S(H)
- R(f);::QAR1(A),XP(e)
- P(j);::S(H)
- Refutation
- R(i);CHECK,XS(H)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- B(c);N_GUARD,XQ(A)::P(C)
- P(g);SBLOCK::S(H)
- R(i);N_GUARD::S(H)
- Refutation
- P(e);
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- P(g);SBLOCK::S(H)
- S(a);::QAR(A)
- Refutation
- P(e);
- Try
- Q(A);P_PINP(e)
- Threat
- R1(D)
- Vars
- B(c);N_GUARD,N_SPINP(e),XQ(A)::P(C)
- P(g);SBLOCK::S(H)
- R(f);N_GUARD::S(E)
- R(i);N_GUARD::S(H)
- R(i);N_GUARD,N_SPINP(e)::S(H)
- Refutation
- P(j);N_SPINP(e)
- Try
- Actual
- Q(A);
- Threat
- QAB(A),XP(b)
- Vars
- P(e);SBLOCK::P(B)
- P(g);SBLOCK::S(H)
- R(f);N_GUARD::S(E)
- R(i);N_GUARD::S(H)
- B(c);N_GUARD::P(C)
- S(a);N_GUARD::QAR(A),XS(a)
- S(a);N_GUARD::QAR(A)
Developed and maintained by Brian Stephenson.
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