MESON Chess Problem Database
Problem Display
PID: 80762 (8/3p2p1/2pP1bP1/Q4p1K/1pPpk2n/3N2RP/2P5/3B2B1 w - - 0 1)
Clark, Cecil Henry Douglas
Rudd, Charles Dember
The Field, 1948
(First published on Sat Sep 11 1948)
#2
11 + 9
SOLUTION
- SOUND
- Sets
- 1...Be5
- 2.Qxe5#
- 1...Bg5
- 2.Qe5#
- 1...Be7
- 2.Qe5#
- 1...Bd8
- 2.Qe5#
- 1...Sg2
- 2.Bf3#
- 1...Sf3
- 2.Bxf3#
- 1...Sxg6
- 2.Bf3#
- 1...b3
- 2.Qe1#
- 1...f4
- 2.Sf2#
- 1...c5
- 2.Qa8#
- 1...Be5
- Tries
- 1.Be2?
- 1...Sxg6
- 2.Bf3#
- 1...Be5
- 2.Qxe5#
- 1...Bg5
- 2.Qe5#
- 1...Be7
- 2.Qe5#
- 1...Bd8
- 2.Qe5#
- 1...Sg2
- 2.Bf3#
- 1...Sf3
- 2.Bxf3#
- 1...f4
- 2.Sf2#
- 1...c5
- 2.Qa8#
- 1...b3!
- 1...Sxg6
- 1.Bg4?
- 1...Sxg6
- 2.Bf3#
- 2.Bxf5#
- 2.Qxf5#
- 1...Be5
- 2.Qxe5#
- 1...Bg5
- 2.Qe5#
- 1...Be7
- 2.Qe5#
- 1...Bd8
- 2.Qe5#
- 1...Sg2
- 2.Bf3#
- 2.Bxf5#
- 2.Qxf5#
- 1...Sf3
- 2.Bxf3#
- 2.Bxf5#
- 2.Qxf5#
- 1...b3
- 2.Qe1#
- 1...f4
- 2.Sf2#
- 1...c5
- 2.Qa8#
- 1...fxg4!
- 1...Sxg6
- 1.Bf2?
- 1...Sxg6
- 2.Bf3#
- 1...Be5
- 2.Qxe5#
- 1...Bg5
- 2.Qe5#
- 1...Be7
- 2.Qe5#
- 1...Bd8
- 2.Qe5#
- 1...Sg2
- 2.Bf3#
- 1...Sf3
- 2.Bxf3#
- 1...b3
- 2.Qe1#
- 1...c5
- 2.Qa8#
- 1...f4!
- 1...Sxg6
- 1.Rf3?
- threat
- 2.Sf2#
- 2.Rf4#
- 1...Sxg6
- 2.Sf2#
- 2.Qxf5#
- 1...Be5
- 2.Sf2#
- 2.Sc5#
- 2.Qxe5#
- 1...Bg5
- 2.Sf2#
- 2.Qe5#
- 1...Sg2
- 2.Sf2#
- 2.Qxf5#
- 1...f4
- 2.Sf2#
- 2.Rxf4#
- 1...c5
- 2.Rf4#
- 2.Qa8#
- 1...Sxf3!
- threat
- 1.Rg4+?
- 1...f4
- 2.Rxf4#
- 1...fxg4!
- 1...f4
- 1.Qc5?
- 1...Sxg6
- 2.Bf3#
- 1...Be5
- 2.Qxe5#
- 1...Bg5
- 2.Qxd4#
- 2.Qe5#
- 1...Be7
- 2.Qxd4#
- 2.Qe5#
- 1...Bd8
- 2.Qxd4#
- 2.Qe5#
- 1...Sg2
- 2.Bf3#
- 1...Sf3
- 2.Bxf3#
- 1...f4
- 2.Sf2#
- 1...b3!
- 1...Sxg6
- 1.Qxf5+?
- 1...Sxf5
- 2.Bf3#
- 2.Rg4#
- 1...Kxf5!
- 1...Sxf5
- 1.Be2?
- Keys
- 1.Rg5!
- 1...Bxg5
- 2.Qe5#
- 1...Sxg6
- 2.Qxf5#
- 1...Be5
- 2.Qxe5#
- 1...Be7
- 2.Qe5#
- 1...Bd8
- 2.Qe5#
- 1...Sg2
- 2.Qxf5#
- 1...Sf3
- 2.Qxf5#
- 1...b3
- 2.Qe1#
- 1...f4
- 2.Sc5#
- 1...c5
- 2.Qa8#
- 1...Bxg5
- 1.Rg5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 4
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(g);N_GUARD::QAR1(H),XB(g)
- B(g);N_GUARD::QAR1(H)
- S(d);N_GUARD::B(A)
- S(d);N_GUARD::B(A),XS(d)
- S(d);N_GUARD,XP(K)::B(A)
- P(a);OGATE::QAR(H)
- P(e);SBLOCK::S(D)
- P(f);OGATEB::QAB(H)
- Tries
- Try
- B(A);
- Vars
- S(d);N_GUARD,XP(K)::B(A)
- B(g);N_GUARD::QAR1(H),XB(g)
- B(g);N_GUARD::QAR1(H)
- S(d);N_GUARD::B(A)
- S(d);N_GUARD::B(A),XS(d)
- P(e);SBLOCK::S(D)
- P(f);OGATEB::QAB(H)
- Refutation
- P(a);
- Try
- B(A);
- Vars
- B(g);N_GUARD::QAR1(H),XB(g)
- B(g);N_GUARD::QAR1(H)
- P(a);OGATE::QAR(H)
- P(e);SBLOCK::S(D)
- P(f);OGATEB::QAB(H)
- Refutation
- P(e);XB(A)
- Try
- B(B);
- Vars
- S(d);N_GUARD,XP(K)::B(A)
- B(g);N_GUARD::QAR1(H),XB(g)
- B(g);N_GUARD::QAR1(H)
- S(d);N_GUARD::B(A)
- S(d);N_GUARD::B(A),XS(d)
- P(a);OGATE::QAR(H)
- P(f);OGATEB::QAB(H)
- Refutation
- P(e);
- Try
- R(E);
- Threat
- DUALS(2)
- Refutation
- S(d);XR(E)
- Try
- R(E);CHECK
- Vars
- P(e);P_SPINP(e)::R1(E),XP(e)
- Refutation
- P(e);XR(E)
- Try
- Q(H);
- Vars
- S(d);N_GUARD,XP(K)::B(A)
- B(g);N_GUARD::QAR1(H),XB(g)
- S(d);N_GUARD::B(A)
- S(d);N_GUARD::B(A),XS(d)
- P(e);SBLOCK::S(D)
- Refutation
- P(a);
- Try
- Q(H);CHECK,XP(e)
- Refutation
- K(c);S_FLIGHT,XQ(H)
- Try
- Actual
- R(E);
- Vars
- B(g);N_GUARD,XR(E)::QAR1(H)
- S(d);N_GUARD,XP(K)::QAB1(H),XP(e)
- B(g);N_GUARD::QAR1(H),XB(g)
- B(g);N_GUARD::QAR1(H)
- S(d);N_GUARD::QAB1(H),XP(e)
- P(a);OGATE::QAR(H)
- P(e);SBLOCK::S(D)
- P(f);OGATEB::QAB(H)
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