MESON Chess Problem Database
Problem Display
PID: 132470 (2K5/3Q4/6bp/4R1r1/1p1B1k1P/b7/7P/3B3N w - - 0 1)
Clark, Cecil Henry Douglas
The Field, 1957
(First published on Thu Apr 25 1957)
#2
8 + 6
SOLUTION
- SOUND
- Sets
- 1...Rg3
- 2.hxg3#
- 1...Rg4
- 2.Qxg4#
- 1...Rxe5
- 2.Qg4#
- 1...Rh5
- 2.Qg4#
- 1...Rg3
- Tries
- 1.Qh3?
- threat
- 2.Qf1#
- 2.Qe3#
- 2.Qf3#
- 1...Rxe5
- 2.Qg4#
- 2.Qf3#
- 1...Rg1
- 2.Qe3#
- 2.Qf3#
- 1...Rg2
- 2.Qe3#
- 2.Qf3#
- 1...Rg3
- 2.Qxg3#
- 2.hxg3#
- 1...Bc1
- 2.Qf1#
- 2.Qf3#
- 1...Bd3
- 2.Qe3#
- 2.Qf3#
- 1...Be4
- 2.Qe3#
- 1...Bh5
- 2.Qe3#
- 1...Bf5+!
- threat
- 1.Qc6?
- threat
- 2.Qf3#
- 1...Rg3
- 2.hxg3#
- 1...Be4
- 2.Qxe4#
- 1...Bh5
- 2.Qe4#
- 1...Bf5+!
- threat
- 1.Qe6?
- threat
- 2.Be3#
- 1...Rxe5
- 2.Qg4#
- 2.Qxe5#
- 1...Rg3
- 2.hxg3#
- 1...Be4
- 2.Rxe4#
- 1...Bc1!
- threat
- 1.Qd5?
- threat
- 2.Be3#
- 2.Qf3#
- 1...Rxe5
- 2.Qf3#
- 2.Qxe5#
- 1...Rg3
- 2.hxg3#
- 1...Bc1
- 2.Qf3#
- 1...Be4
- 2.Rxe4#
- 2.Qxe4#
- 1...Bh5
- 2.Be3#
- 2.Re4#
- 2.Qe4#
- 1...Bf5+!
- threat
- 1.Qd6?
- threat
- 2.Be3#
- 1...Bf5+
- 2.Re6#
- 1...Rxe5
- 2.Qxe5#
- 1...Rg3
- 2.hxg3#
- 1...Be4
- 2.Rxg5#
- 1...Bc1!
- threat
- 1.Qb7?
- threat
- 2.Qf3#
- 1...Rg3
- 2.hxg3#
- 1...Be4
- 2.Qxe4#
- 1...Bh5
- 2.Qe4#
- 1...Bf5+!
- threat
- 1.hxg5?
- threat
- 2.Qg4#
- 1...Bf5
- 2.Qxf5#
- 1...Bh5
- 2.Qf5#
- 1...h5!
- threat
- 1.Qh3?
- Keys
- 1.Qc7!
- threat
- 2.Be3#
- 1...Bf5+
- 2.Re6#
- 1...Rxe5
- 2.Qxe5#
- 1...Rg3
- 2.hxg3#
- 1...Bc1
- 2.Qxc1#
- 1...Be4
- 2.Rxg5#
- threat
- 1.Qc7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 2
- Sets
- R(d);OGATE::P(C),XR(d)
- R(d);N_GUARD::QAR1(G),XR(d)
- R(d);N_GUARD,XR(F)::QAR1(G)
- R(d);N_GUARD::QAR1(G)
- Tries
- Try
- Q(G);
- Threat
- DUALS(3)
- Vars
- B(e);::QAB1(G)
- Refutation
- B(e);CHECK
- Try
- Q(G);
- Threat
- QAR1(G)
- Vars
- R(d);OGATE::P(C),XR(d)
- B(e);N_GUARD::QAR1(G),XB(e)
- B(e);N_GUARD::QAR1(G)
- Refutation
- B(e);CHECK
- Try
- Q(G);
- Threat
- B(D)
- Vars
- R(d);OGATE::P(C),XR(d)
- B(e);N_GUARD::R1(F),XB(e)
- Refutation
- B(a);
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- R(d);OGATE::P(C),XR(d)
- B(a);::QAR1(G)
- Refutation
- B(e);CHECK
- Try
- Q(G);
- Threat
- B(D)
- Vars
- B(e);CHECK,SBLOCK,S_CUTR(d)::QAB(G)+R(F)
- R(d);OGATE,P_SPINR(d),XR(F)::QAB1(G),XR(d)
- R(d);OGATE::P(C),XR(d)
- B(e);SBLOCK::QAB(G)+R(F),XR(d)
- Refutation
- B(a);
- Try
- Q(G);
- Threat
- QAR1(G)
- Vars
- R(d);OGATE::P(C),XR(d)
- B(e);N_GUARD::QAR1(G),XB(e)
- B(e);N_GUARD::QAR1(G)
- Refutation
- B(e);CHECK
- Try
- P(E);XR(d)
- Threat
- QAR1(G)
- Vars
- B(e);N_GUARD,P_PINQ(G)::QAR1(G),XB(e)
- B(e);N_GUARD::QAR1(G)
- Refutation
- P(f);
- Try
- Actual
- Q(G);
- Threat
- B(D)
- Vars
- B(e);CHECK,SBLOCK,S_CUTR(d)::QAB(G)+R(F)
- R(d);OGATE,P_SPINR(d),XR(F)::QAB1(G),XR(d)
- R(d);OGATE::P(C),XR(d)
- B(a);N_GUARD::QAB(G),XB(a)
- B(e);SBLOCK::QAB(G)+R(F),XR(d)
Developed and maintained by Brian Stephenson.
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