MESON Chess Problem Database
Problem Display
PID: 227217 (2K1RB2/P2R1pp1/2k5/r1P5/8/3B4/1P5P/5Qbq w - - 0 1)
Caine, Walter Edmund
Sunday Chronicle, 1946
(First published on Sun Sep 22 1946)
#2
10 + 6
| 15239 | Valois Notebooks | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qg2
- 2.Qxg2#
- 1...Qf3
- 2.Qxf3#
- 1...Qe4
- 2.Bxe4#
- 1...Qd5
- 2.Rc7#
- 1...Qxh2
- 2.Be4#
- 2.Qf3#
- 1...Ra1
- 2.Bb5#
- 1...Ra2
- 2.Bb5#
- 1...Ra3
- 2.Bb5#
- 1...Ra4
- 2.Bb5#
- 1...Rb5
- 2.Bxb5#
- 1...Rxc5
- 2.Rd6#
- 1...Ra6
- 2.Bb5#
- 1...Rxa7
- 2.Bb5#
- 1...Bf2
- 2.Qxh1#
- 1...Bxh2
- 2.Qxh1#
- 1...Be3
- 2.Qxh1#
- 1...Bd4
- 2.Qxh1#
- 1...f5
- 2.Re6#
- 1...f6
- 2.Re6#
- 1...g5
- 2.Qf6#
- 1...g6
- 2.Qf6#
- 1...Qg2
- Tries
- 1.Bc4?
- threat
- 2.Rc7#
- 1...Qxh2
- 2.Bd5#
- 2.Qf3#
- 1...Rxc5
- 2.Rd6#
- 1...Rxa7
- 2.Bb5#
- 1...Bxh2
- 2.Qxh1#
- 1...Bxc5!
- threat
- 1.Ba6?
- threat
- 2.Bb7#
- 2.a8Q#
- 2.a8B#
- 1...Qxh2
- 2.Bb7#
- 2.Qf3#
- 2.a8Q#
- 2.a8B#
- 1...Rxc5
- 2.Rd6#
- 1...Rxa6
- 2.Qxa6#
- 1...Bxh2
- 2.Bb7#
- 2.Qxh1#
- 2.a8Q#
- 2.a8B#
- 1...Qg2
- 2.Bb7#
- 2.Qxg2#
- 2.a8Q#
- 2.a8B#
- 1...Qf3
- 2.Bb7#
- 2.Qxf3#
- 2.a8Q#
- 2.a8B#
- 1...Qe4
- 2.Bb7#
- 2.a8Q#
- 2.a8B#
- 1...Qd5
- 2.Bb7#
- 2.Rc7#
- 2.a8Q#
- 2.a8B#
- 1...Ra1
- 2.Bb5#
- 2.Bb7#
- 2.Qb5#
- 2.a8Q#
- 2.a8B#
- 1...Ra2
- 2.Bb5#
- 2.Bb7#
- 2.Qb5#
- 2.a8Q#
- 2.a8B#
- 1...Ra3
- 2.Bb5#
- 2.Bb7#
- 2.Qb5#
- 2.a8Q#
- 2.a8B#
- 1...Ra4
- 2.Bb5#
- 2.Bb7#
- 2.Qb5#
- 2.a8Q#
- 2.a8B#
- 1...Rb5
- 2.Bxb5#
- 2.Qxb5#
- 1...Bf2
- 2.Bb7#
- 2.Qxh1#
- 2.a8Q#
- 2.a8B#
- 1...Be3
- 2.Bb7#
- 2.Qxh1#
- 2.a8Q#
- 2.a8B#
- 1...Bd4
- 2.Bb7#
- 2.Qxh1#
- 2.a8Q#
- 2.a8B#
- 1...f5
- 2.Bb7#
- 2.Re6#
- 2.a8Q#
- 2.a8B#
- 1...f6
- 2.Bb7#
- 2.Re6#
- 2.a8Q#
- 2.a8B#
- 1...g5
- 2.Bb7#
- 2.Qf6#
- 2.a8Q#
- 2.a8B#
- 1...g6
- 2.Bb7#
- 2.Qf6#
- 2.a8Q#
- 2.a8B#
- 1...Bxc5!
- threat
- 1.Rd4?
- 1...Qxh2
- 2.Be4#
- 2.Qf3#
- 1...Rxc5
- 2.Rd6#
- 1...Rxa7
- 2.Bb5#
- 1...Bxh2
- 2.Qxh1#
- 1...Bxd4
- 2.Qxh1#
- 1...Qg2
- 2.Qxg2#
- 1...Qf3
- 2.Qxf3#
- 1...Qe4
- 2.Bxe4#
- 1...Ra1
- 2.Bb5#
- 1...Ra2
- 2.Bb5#
- 1...Ra3
- 2.Bb5#
- 1...Ra4
- 2.Bb5#
- 1...Rb5
- 2.Bxb5#
- 1...Ra6
- 2.Bb5#
- 1...Bf2
- 2.Qxh1#
- 1...Be3
- 2.Qxh1#
- 1...f5
- 2.Re6#
- 1...f6
- 2.Re6#
- 1...g5
- 2.Qf6#
- 1...g6
- 2.Qf6#
- 1...Qd5!
- 1...Qxh2
- 1.Re1?
- 1...Qxh2
- 2.Be4#
- 2.Qf3#
- 1...Rxc5
- 2.Rd6#
- 1...Rxa7
- 2.Bb5#
- 1...Bxh2
- 2.Qxh1#
- 1...Qd5
- 2.Rc7#
- 1...Qg2
- 2.Qxg2#
- 1...Qf3
- 2.Qxf3#
- 1...Qe4
- 2.Bxe4#
- 1...Ra1
- 2.Bb5#
- 1...Ra2
- 2.Bb5#
- 1...Ra3
- 2.Bb5#
- 1...Ra4
- 2.Bb5#
- 1...Rb5
- 2.Bxb5#
- 1...Ra6
- 2.Bb5#
- 1...Bf2
- 2.Qxh1#
- 1...Be3
- 2.Qxh1#
- 1...Bd4
- 2.Qxh1#
- 1...f5
- 2.Re6#
- 1...f6
- 2.Re6#
- 1...g5
- 2.Qf6#
- 1...g6
- 2.Qf6#
- 1...Bxc5!
- 1...Qxh2
- 1.Re5?
- threat
- 2.Rd6#
- 2.Rc7#
- 1...Rxc5
- 2.Rd6#
- 1...Rxa7
- 2.Bb5#
- 2.Rd6#
- 1...Qd5
- 2.Rc7#
- 1...Bxc5!
- threat
- 1.Red8?
- threat
- 2.Rc7#
- 1...Qxh2
- 2.Be4#
- 2.Qf3#
- 1...Rxc5
- 2.Rd6#
- 1...Rxa7
- 2.Bb5#
- 1...Bxh2
- 2.Qxh1#
- 1...Bxc5!
- threat
- 1.Qc1?
- threat
- 2.Rd6#
- 1...Bxh2
- 2.Qxh1#
- 1...Qd5
- 2.Rc7#
- 1...Qxh2!
- threat
- 1.Qf4?
- threat
- 2.Qd6#
- 2.Qc7#
- 1...Qxh2
- 2.Qf3#
- 2.Qe4#
- 1...Rxa7
- 2.Qd6#
- 1...Bxc5
- 2.Qc7#
- 1...Qd5
- 2.Rc7#
- 2.Qc7#
- 1...Bxh2!
- threat
- 1.b3?
- 1...Qxh2
- 2.Be4#
- 2.Qf3#
- 1...Rxc5
- 2.Rd6#
- 1...Rxa7
- 2.Bb5#
- 1...Bxh2
- 2.Qxh1#
- 1...Qd5
- 2.Rc7#
- 1...Qg2
- 2.Qxg2#
- 1...Qf3
- 2.Qxf3#
- 1...Qe4
- 2.Bxe4#
- 1...Ra1
- 2.Bb5#
- 1...Ra2
- 2.Bb5#
- 1...Ra3
- 2.Bb5#
- 1...Ra4
- 2.Bb5#
- 1...Rb5
- 2.Bxb5#
- 1...Ra6
- 2.Bb5#
- 1...Bf2
- 2.Qxh1#
- 1...Be3
- 2.Qxh1#
- 1...Bd4
- 2.Qxh1#
- 1...f5
- 2.Re6#
- 1...f6
- 2.Re6#
- 1...g5
- 2.Qf6#
- 1...g6
- 2.Qf6#
- 1...Bxc5!
- 1...Qxh2
- 1.b4?
- threat
- 2.Rd6#
- 1...Qxh2
- 2.Be4#
- 2.Qf3#
- 1...Bxh2
- 2.Qxh1#
- 1...Qd5
- 2.Rc7#
- 1...Bxc5!
- threat
- 1.h3?
- 1...Qxh3
- 2.Be4#
- 1...Rxc5
- 2.Rd6#
- 1...Rxa7
- 2.Bb5#
- 1...Qd5
- 2.Rc7#
- 1...Qg2
- 2.Qxg2#
- 1...Qf3
- 2.Qxf3#
- 1...Qe4
- 2.Bxe4#
- 1...Qh2
- 2.Be4#
- 2.Qf3#
- 1...Ra1
- 2.Bb5#
- 1...Ra2
- 2.Bb5#
- 1...Ra3
- 2.Bb5#
- 1...Ra4
- 2.Bb5#
- 1...Rb5
- 2.Bxb5#
- 1...Ra6
- 2.Bb5#
- 1...Bf2
- 2.Qxh1#
- 1...Bh2
- 2.Qxh1#
- 1...Be3
- 2.Qxh1#
- 1...Bd4
- 2.Qxh1#
- 1...f5
- 2.Re6#
- 1...f6
- 2.Re6#
- 1...g5
- 2.Qf6#
- 1...g6
- 2.Qf6#
- 1...Bxc5!
- 1...Qxh3
- 1.a8S?
- 1...Qxh2
- 2.Be4#
- 2.Qf3#
- 1...Rxc5
- 2.Rd6#
- 1...Bxh2
- 2.Qxh1#
- 1...Bxc5
- 2.Qxh1#
- 1...Qd5
- 2.Rc7#
- 1...Qg2
- 2.Qxg2#
- 1...Qf3
- 2.Qxf3#
- 1...Qe4
- 2.Bxe4#
- 1...Ra1
- 2.Bb5#
- 1...Ra2
- 2.Bb5#
- 1...Ra3
- 2.Bb5#
- 1...Ra4
- 2.Bb5#
- 1...Rb5
- 2.Bxb5#
- 1...Ra6
- 2.Bb5#
- 1...Ra7
- 2.Bb5#
- 1...Bf2
- 2.Qxh1#
- 1...Be3
- 2.Qxh1#
- 1...Bd4
- 2.Qxh1#
- 1...f5
- 2.Re6#
- 1...f6
- 2.Re6#
- 1...g5
- 2.Qf6#
- 1...g6
- 2.Qf6#
- 1...Rxa8+!
- 1...Qxh2
- 1.Bc4?
- Keys
- 1.Re3!
- 1...Qxh2
- 2.Be4#
- 2.Qf3#
- 1...Rxc5
- 2.Rd6#
- 1...Rxa7
- 2.Bb5#
- 1...Bxh2
- 2.Qxh1#
- 1...Bxe3
- 2.Qxh1#
- 1...Qd5
- 2.Rc7#
- 1...Qg2
- 2.Qxg2#
- 1...Qf3
- 2.Qxf3#
- 1...Qe4
- 2.Bxe4#
- 1...Ra1
- 2.Bb5#
- 1...Ra2
- 2.Bb5#
- 1...Ra3
- 2.Bb5#
- 1...Ra4
- 2.Bb5#
- 1...Rb5
- 2.Bxb5#
- 1...Ra6
- 2.Bb5#
- 1...Bf2
- 2.Qxh1#
- 1...f5
- 2.Re6#
- 1...f6
- 2.Re6#
- 1...g5
- 2.Qf6#
- 1...g6
- 2.Qf6#
- 1...Qxh2
- 1.Re3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- Q(b);N_GUARD::QAB(A),XQ(b)
- Q(b);N_GUARD::B(D),XQ(b)
- Q(b);SBLOCK::R1(G)
- R(c);N_GUARD::B(D)
- R(c);N_GUARD::B(D),XR(c)
- R(c);SBLOCK,XP(E)::R1(G)
- R(c);N_GUARD,XP(F)::B(D)
- B(a);OGATE::QAB(A),XQ(b)
- B(a);OGATE,XP(C)::QAB(A),XQ(b)
- P(e);N_GUARD::R(I)
- P(f);N_GUARD::QAR(A)
- Tries
- Try
- B(D);
- Threat
- R1(G)
- Vars
- R(c);SBLOCK,XP(E)::R1(G)
- R(c);N_GUARD,XP(F)::B(D)
- B(a);OGATE,XP(C)::QAB(A),XQ(b)
- Refutation
- B(a);XP(E)
- Try
- B(D);
- Threat
- DUALS(3)
- Vars
- R(c);SBLOCK,XP(E)::R1(G)
- R(c);OGATE,XB(D)::QAR2(A),XR(c)
- Refutation
- B(a);XP(E)
- Try
- R(G);
- Vars
- R(c);SBLOCK,XP(E)::R1(G)
- R(c);N_GUARD,XP(F)::B(D)
- B(a);OGATE,XP(C)::QAB(A),XQ(b)
- B(a);OGATE,XR(G)::QAB(A),XQ(b)
- Q(b);N_GUARD::QAB(A),XQ(b)
- Q(b);N_GUARD::B(D),XQ(b)
- R(c);N_GUARD::B(D)
- R(c);N_GUARD::B(D),XR(c)
- B(a);OGATE::QAB(A),XQ(b)
- P(e);N_GUARD::R(I)
- P(f);N_GUARD::QAR(A)
- Refutation
- Q(b);
- Try
- R(I);
- Vars
- R(c);SBLOCK,XP(E)::R1(G)
- R(c);N_GUARD,XP(F)::B(D)
- B(a);OGATE,XP(C)::QAB(A),XQ(b)
- Q(b);SBLOCK::R1(G)
- Q(b);N_GUARD::QAB(A),XQ(b)
- Q(b);N_GUARD::B(D),XQ(b)
- R(c);N_GUARD::B(D)
- R(c);N_GUARD::B(D),XR(c)
- B(a);OGATE::QAB(A),XQ(b)
- P(e);N_GUARD::R(I)
- P(f);N_GUARD::QAR(A)
- Refutation
- B(a);XP(E)
- Try
- R(I);
- Threat
- DUALS(2)
- Vars
- R(c);XP(E)::R1(G)
- Q(b);::R1(G)
- Refutation
- B(a);XP(E)
- Try
- R(I);
- Threat
- R1(G)
- Vars
- R(c);SBLOCK,XP(E)::R1(G)
- R(c);N_GUARD,XP(F)::B(D)
- B(a);OGATE,XP(C)::QAB(A),XQ(b)
- Refutation
- B(a);XP(E)
- Try
- Q(A);
- Threat
- R1(G)
- Vars
- B(a);OGATE,XP(C)::QAB(A),XQ(b)
- Q(b);SBLOCK::R1(G)
- Refutation
- Q(b);XP(C)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(c);XP(F)::QAR1(A)
- B(a);XP(E)::QAR1(A)
- Refutation
- B(a);XP(C)
- Try
- P(B);
- Vars
- R(c);SBLOCK,XP(E)::R1(G)
- R(c);N_GUARD,XP(F)::B(D)
- B(a);OGATE,XP(C)::QAB(A),XQ(b)
- Q(b);SBLOCK::R1(G)
- Q(b);N_GUARD::QAB(A),XQ(b)
- Q(b);N_GUARD::B(D),XQ(b)
- R(c);N_GUARD::B(D)
- R(c);N_GUARD::B(D),XR(c)
- B(a);OGATE::QAB(A),XQ(b)
- P(e);N_GUARD::R(I)
- P(f);N_GUARD::QAR(A)
- Refutation
- B(a);XP(E)
- Try
- P(B);
- Threat
- R1(G)
- Vars
- B(a);OGATE,XP(C)::QAB(A),XQ(b)
- Q(b);SBLOCK::R1(G)
- Refutation
- B(a);XP(E)
- Try
- P(C);
- Vars
- Q(b);N_GUARD,P_PINR(G),XP(C)::B(D)
- R(c);SBLOCK,XP(E)::R1(G)
- R(c);N_GUARD,XP(F)::B(D)
- Q(b);SBLOCK::R1(G)
- Q(b);N_GUARD::QAB(A),XQ(b)
- Q(b);N_GUARD::B(D),XQ(b)
- R(c);N_GUARD::B(D)
- R(c);N_GUARD::B(D),XR(c)
- B(a);OGATE::QAB(A),XQ(b)
- P(e);N_GUARD::R(I)
- P(f);N_GUARD::QAR(A)
- Refutation
- B(a);XP(E)
- Try
- P(F);
- Vars
- R(c);SBLOCK,XP(E)::R1(G)
- B(a);OGATE,XP(C)::QAB(A),XQ(b)
- B(a);OGATE,XP(E)::QAB(A),XQ(b)
- Q(b);SBLOCK::R1(G)
- Q(b);N_GUARD::QAB(A),XQ(b)
- Q(b);N_GUARD::B(D),XQ(b)
- R(c);N_GUARD::B(D)
- R(c);N_GUARD::B(D),XR(c)
- B(a);OGATE::QAB(A),XQ(b)
- P(e);N_GUARD::R(I)
- P(f);N_GUARD::QAR(A)
- Refutation
- R(c);CHECK,XS(F)
- Try
- Actual
- R(I);
- Vars
- R(c);SBLOCK,XP(E)::R1(G)
- R(c);N_GUARD,XP(F)::B(D)
- B(a);OGATE,XP(C)::QAB(A),XQ(b)
- B(a);OGATE,XR(I)::QAB(A),XQ(b)
- Q(b);SBLOCK::R1(G)
- Q(b);N_GUARD::QAB(A),XQ(b)
- Q(b);N_GUARD::B(D),XQ(b)
- R(c);N_GUARD::B(D)
- R(c);N_GUARD::B(D),XR(c)
- B(a);OGATE::QAB(A),XQ(b)
- P(e);N_GUARD::R(I)
- P(f);N_GUARD::QAR(A)
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