MESON Chess Problem Database
Problem Display
PID: 132551 (Bn1b1BNK/R2pr3/3kr2R/1pNpp3/1Pb5/1p6/1P6/7Q w - - 0 1)
Clark, Cecil Henry Douglas
The Field, 1957
(First published on Thu Jun 27 1957)
#2
10 + 11
SOLUTION
- SOUND
- Sets
- 1...Rf6
- 2.Rxf6#
- 1...Rg6
- 2.Rxg6#
- 1...Rxh6+
- 2.Qxh6#
- 1...Bf1
- 2.Qxd5#
- 1...Be2
- 2.Qxd5#
- 1...Bd3
- 2.Qxd5#
- 1...Ba5
- 2.Bxe7#
- 1...Bb6
- 2.Bxe7#
- 1...Bc7
- 2.Bxe7#
- 1...Sa6
- 2.Rxd7#
- 1...Sc6
- 2.Rxd7#
- 1...d4
- 2.Se4#
- 1...e4
- 2.Qh2#
- 1...Rf6
- Tries
- 1.Sf6?
- threat
- 2.Se8#
- 1...Rxf6
- 2.Rxf6#
- 1...e4!
- threat
- 1.Sxe7?
- threat
- 2.Sf5#
- 2.Sc8#
- 1...Rxh6+
- 2.Qxh6#
- 1...e4
- 2.Qh2#
- 1...Bxe7!
- threat
- 1.Rf6?
- 1...e4
- 2.Qh2#
- 1...Bf1
- 2.Qxd5#
- 1...Be2
- 2.Qxd5#
- 1...Bd3
- 2.Qxd5#
- 1...Ba5
- 2.Bxe7#
- 1...Bb6
- 2.Bxe7#
- 1...Bc7
- 2.Bxe7#
- 1...Sa6
- 2.Rxd7#
- 1...Sc6
- 2.Rxd7#
- 1...d4
- 2.Se4#
- 1...Rxf6!
- 1...e4
- 1.Rg6?
- 1...e4
- 2.Qh2#
- 1...Rf6
- 2.Rxf6#
- 1...Bf1
- 2.Qxd5#
- 1...Be2
- 2.Qxd5#
- 1...Bd3
- 2.Qxd5#
- 1...Ba5
- 2.Bxe7#
- 1...Bb6
- 2.Bxe7#
- 1...Bc7
- 2.Bxe7#
- 1...Sa6
- 2.Rxd7#
- 1...Sc6
- 2.Rxd7#
- 1...d4
- 2.Se4#
- 1...Rxg6!
- 1...e4
- 1.Qg2?
- 1...e4
- 2.Qh2#
- 2.Qg3#
- 1...Rf6
- 2.Rxf6#
- 1...Rg6
- 2.Rxg6#
- 2.Qxg6#
- 1...Bf1
- 2.Qxd5#
- 1...Be2
- 2.Qxd5#
- 1...Bd3
- 2.Qxd5#
- 1...Ba5
- 2.Bxe7#
- 1...Bb6
- 2.Bxe7#
- 1...Bc7
- 2.Bxe7#
- 1...Sa6
- 2.Rxd7#
- 1...Sc6
- 2.Rxd7#
- 1...d4
- 2.Se4#
- 1...Rxh6+!
- 1...e4
- 1.Qf3?
- 1...e4
- 2.Qg3#
- 2.Qf4#
- 1...Rf6
- 2.Rxf6#
- 2.Qxf6#
- 1...Rg6
- 2.Rxg6#
- 1...Bf1
- 2.Qxd5#
- 1...Be2
- 2.Qxd5#
- 1...Bd3
- 2.Qxd5#
- 1...Ba5
- 2.Bxe7#
- 1...Bb6
- 2.Bxe7#
- 1...Bc7
- 2.Bxe7#
- 1...Sa6
- 2.Rxd7#
- 1...Sc6
- 2.Rxd7#
- 1...d4
- 2.Se4#
- 1...Rxh6+!
- 1...e4
- 1.Sf6?
- Keys
- 1.Qc1!
- 1...Rxh6+
- 2.Qxh6#
- 1...e4
- 2.Qf4#
- 1...Rf6
- 2.Rxf6#
- 1...Rg6
- 2.Rxg6#
- 1...Bf1
- 2.Sb7#
- 1...Be2
- 2.Sb7#
- 1...Bd3
- 2.Sb7#
- 1...Ba5
- 2.Bxe7#
- 1...Bb6
- 2.Bxe7#
- 1...Bc7
- 2.Bxe7#
- 1...Sa6
- 2.Rxd7#
- 1...Sc6
- 2.Rxd7#
- 1...d4
- 2.Se4#
- 1...Rxh6+
- 1.Qc1!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 4
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(g);OGATEB::R(E),XR(g)
- R(g);CHECK,N_SPINR(g),OGATE,P_SPINR(i),XR(E)::QAR(A),XR(g)
- B(b);N_GUARD::QAR1(A),XP(d)
- B(k);N_GUARD::B(H),XR(i)
- S(j);N_GUARD::R1(F),XP(h)
- P(d);N_GUARD::S(D)
- P(e);OGATEB::QAB(A)
- Tries
- Try
- S(I);N_PINR(g),P_PINR(i)
- Threat
- S(I)
- Vars
- R(g);N_SPINR(i),OGATE,P_SPINR(g),XS(I)::R(E),XR(g)
- Refutation
- P(e);
- Try
- S(I);XR(i)
- Threat
- DUALS(2)
- Vars
- R(g);CHECK,N_SPINR(g),OGATE,XR(E)::QAR(A),XR(g)
- P(e);OGATEB::QAB(A)
- Refutation
- B(k);P_SPINB(k),XS(I)
- Try
- R(E);
- Vars
- P(e);OGATEB::QAB(A)
- B(b);N_GUARD::QAR1(A),XP(d)
- B(k);N_GUARD::B(H),XR(i)
- S(j);N_GUARD::R1(F),XP(h)
- P(d);N_GUARD::S(D)
- Refutation
- R(g);N_SPINR(g),P_SPINR(i),XR(E)
- Try
- R(E);
- Vars
- P(e);OGATEB::QAB(A)
- R(g);OGATEB::R(E),XR(g)
- B(b);N_GUARD::QAR1(A),XP(d)
- B(k);N_GUARD::B(H),XR(i)
- S(j);N_GUARD::R1(F),XP(h)
- P(d);N_GUARD::S(D)
- Refutation
- R(g);N_SPINR(g),P_SPINR(i),XR(E)
- Try
- Q(A);
- Vars
- R(g);OGATEB::R(E),XR(g)
- B(b);N_GUARD::QAR1(A),XP(d)
- B(k);N_GUARD::B(H),XR(i)
- S(j);N_GUARD::R1(F),XP(h)
- P(d);N_GUARD::S(D)
- Refutation
- R(g);CHECK,N_SPINR(g),P_SPINR(i),XR(E)
- Try
- Q(A);
- Vars
- R(g);OGATEB::R(E),XR(g)
- B(b);N_GUARD::QAR1(A),XP(d)
- B(k);N_GUARD::B(H),XR(i)
- S(j);N_GUARD::R1(F),XP(h)
- P(d);N_GUARD::S(D)
- Refutation
- R(g);CHECK,N_SPINR(g),P_SPINR(i),XR(E)
- Try
- Actual
- Q(A);
- Vars
- R(g);CHECK,N_SPINR(g),OGATE,P_SPINR(i),XR(E)::QAR(A),XR(g)
- P(e);OGATEB::QAB(A)
- R(g);OGATEB::R(E),XR(g)
- B(b);::S(D)
- B(k);N_GUARD::B(H),XR(i)
- S(j);N_GUARD::R1(F),XP(h)
- P(d);N_GUARD::S(D)
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