MESON Chess Problem Database
Problem Display
PID: 78440 (3K1Q1b/8/P7/3p2P1/r2k3r/1nR1R3/8/3bB1N1 w - - 0 1)
Marble, Murray
Revue d'Echecs, 1907
#2
8 + 7
| 15 | British Chess Magazine | 1911 |
| 881 | The Australasian Chess Review | 1929 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Qb4#
- 1...Ra2
- 2.Qb4#
- 1...Ra3
- 2.Qb4#
- 1...Rb4
- 2.Qxb4#
- 1...Rc4
- 2.Rcd3#
- 1...Ra5
- 2.Qb4#
- 1...Rxa6
- 2.Qb4#
- 1...Rh1
- 2.Qf4#
- 1...Rh2
- 2.Qf4#
- 1...Rh3
- 2.Qf4#
- 1...Rf4
- 2.Qxf4#
- 1...Rg4
- 2.Qxh8#
- 1...Rh5
- 2.Qf4#
- 1...Rh6
- 2.Qf4#
- 1...Rh7
- 2.Qf4#
- 1...Bc2
- 2.Se2#
- 2.Sf3#
- 1...Be2
- 2.Sxe2#
- 1...Bf3
- 2.Sxf3#
- 1...Bg4
- 2.Qf4#
- 1...Bh5
- 2.Qxh8#
- 1...Bf6+
- 2.Qxf6#
- 1...Bg7
- 2.Qxg7#
- 1...Sa1
- 2.Qc5#
- 1...Sc1
- 2.Qc5#
- 1...Sd2
- 2.Qc5#
- 1...Sa5
- 2.Qc5#
- 1...Sc5
- 2.Qxc5#
- 1...Ra1
- Tries
- 1.Bxh4?
- threat
- 2.Qf4#
- 2.Qxh8#
- 1...Bf6+
- 2.Qxf6#
- 1...Rxa6
- 2.Qb4#
- 2.Qf4#
- 1...Rc4
- 2.Rcd3#
- 1...Bc2
- 2.Se2#
- 2.Sf3#
- 2.Qxh8#
- 1...Bf3
- 2.Sxf3#
- 2.Qxh8#
- 1...Bg7
- 2.Qxg7#
- 2.Qf4#
- 1...Sd2
- 2.Qc5#
- 2.Qxh8#
- 1...Sc5
- 2.Qxc5#
- 2.Qxh8#
- 1...Be5!
- threat
- 1.Re2?
- threat
- 2.Sf3#
- 2.Qf2#
- 1...Bf6+
- 2.Qxf6#
- 1...Re4
- 2.Sf3#
- 1...Sd2
- 2.Qc5#
- 1...Rh2
- 2.Sf3#
- 2.Qf4#
- 1...Rh3
- 2.Qf4#
- 1...Rf4
- 2.Qxf4#
- 1...Bxe2!
- threat
- 1.Qe7?
- threat
- 2.Red3#
- 1...Be5
- 2.Qxe5#
- 1...Bc2
- 2.Se2#
- 2.Sf3#
- 1...Be2
- 2.Sxe2#
- 1...Sc1
- 2.Qc5#
- 2.Qa7#
- 1...Sc5
- 2.Qxc5#
- 1...Rh3!
- threat
- 1.Qf2?
- threat
- 2.Re2#
- 2.Re6#
- 2.Re7#
- 2.Re8#
- 1...Bf6+
- 2.Re7#
- 2.Qxf6#
- 1...Be5
- 2.Re2#
- 1...Ra2
- 2.Re2#
- 1...Rh2
- 2.Qf4#
- 1...Rh3
- 2.Qf4#
- 1...Rf4
- 2.Qxf4#
- 1...Be2
- 2.Sxe2#
- 2.Rxe2#
- 2.Re6#
- 2.Re7#
- 2.Re8#
- 1...Sd2
- 2.Qxd2#
- 1...Re4!
- threat
- 1.Bxh4?
- Keys
- 1.Bg3!
- 1...Bf6+
- 2.Qxf6#
- 1...Rxa6
- 2.Qb4#
- 1...Be5
- 2.Bxe5#
- 1...Ra1
- 2.Qb4#
- 1...Ra2
- 2.Qb4#
- 1...Ra3
- 2.Qb4#
- 1...Rb4
- 2.Qxb4#
- 1...Rc4
- 2.Rcd3#
- 1...Ra5
- 2.Qb4#
- 1...Rh1
- 2.Qf4#
- 1...Rh2
- 2.Qf4#
- 1...Rh3
- 2.Qf4#
- 1...Re4
- 2.Red3#
- 1...Rf4
- 2.Qxf4#
- 1...Rg4
- 2.Qxh8#
- 1...Rh5
- 2.Qf4#
- 1...Rh6
- 2.Qf4#
- 1...Rh7
- 2.Qf4#
- 1...Bc2
- 2.Se2#
- 2.Sf3#
- 1...Be2
- 2.Sxe2#
- 1...Bf3
- 2.Sxf3#
- 1...Bg4
- 2.Qf4#
- 1...Bh5
- 2.Qxh8#
- 1...Bg7
- 2.Qxg7#
- 1...Sa1
- 2.Qc5#
- 1...Sc1
- 2.Qc5#
- 1...Sd2
- 2.Qc5#
- 1...Sa5
- 2.Qc5#
- 1...Sc5
- 2.Qxc5#
- 1...Bf6+
- 1.Bg3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(c);N_GUARD::QAR2(H)
- R(c);N_GUARD::QAR2(H),XR(c)
- R(c);SBLOCK::R1(C)
- R(c);N_GUARD,XP(F)::QAR2(H)
- R(e);N_GUARD::QAR2(H)
- R(e);N_GUARD::QAR2(H),XR(e)
- R(e);N_GUARD::QAB(H),XB(g)
- B(a);N_GUARD::S(B),XB(a)
- B(a);S_CUTR(e)::QAR2(H)
- B(a);S_CUTR(e)::QAB(H),XB(g)
- B(g);CHECK,N_GUARD::QAB(H),XB(g)
- B(g);N_GUARD::QAB(H),XB(g)
- S(b);N_GUARD::QAB1(H)
- S(b);N_GUARD::QAB1(H),XS(b)
- Tries
- Try
- B(A);XR(e)
- Threat
- DUALS(2)
- Vars
- B(g);CHECK,N_GUARD::QAB(H),XB(g)
- R(c);SBLOCK::R1(C)
- Refutation
- B(g);
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- B(g);CHECK,N_GUARD::QAB(H),XB(g)
- R(e);::S(B)
- S(b);N_GUARD::QAB1(H)
- R(e);N_GUARD::QAR2(H)
- R(e);N_GUARD::QAR2(H),XR(e)
- Refutation
- B(a);XR(D)
- Try
- Q(H);
- Threat
- R1(D)
- Vars
- B(g);N_GUARD::QAB1(H),XB(g)
- B(a);N_GUARD::S(B),XB(a)
- S(b);N_GUARD::QAB1(H),XS(b)
- Refutation
- R(e);
- Try
- Q(H);
- Threat
- DUALS(4)
- Vars
- B(g);::QAB(H)+R(D)
- R(c);::QAB(H)+R(D)
- R(e);N_GUARD::QAR2(H)
- R(e);N_GUARD::QAR2(H),XR(e)
- S(b);N_GUARD::QAR2(H),XS(b)
- Refutation
- R(e);
- Try
- Actual
- B(A);
- Vars
- B(g);CHECK,N_GUARD::QAB(H),XB(g)
- R(c);N_GUARD,XP(F)::QAR2(H)
- B(g);N_GUARD::B(A),XB(g)
- R(c);N_GUARD::QAR2(H)
- R(c);N_GUARD::QAR2(H),XR(c)
- R(c);SBLOCK::R1(C)
- R(e);N_GUARD::QAR2(H)
- R(e);SBLOCK::R1(D)
- R(e);N_GUARD::QAR2(H),XR(e)
- R(e);N_GUARD::QAB(H),XB(g)
- B(a);N_GUARD::S(B),XB(a)
- B(a);S_CUTR(e)::QAR2(H)
- B(a);S_CUTR(e)::QAB(H),XB(g)
- B(g);N_GUARD::QAB(H),XB(g)
- S(b);N_GUARD::QAB1(H)
- S(b);N_GUARD::QAB1(H),XS(b)
Developed and maintained by Brian Stephenson.
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