MESON Chess Problem Database
Problem Display
PID: 80847 (7K/1N2R3/QPp2n1p/1pN3pR/2Pkp2P/2p5/B1P2P2/8 w - - 0 1)
Clark, Cecil Henry Douglas
The Field, 1949
(First published on Sat Jun 18 1949)
#2
12 + 8
SOLUTION
- SOUND
- Sets
- 1...Sg4
- 2.Rxe4#
- 1...Sd5
- 2.Rxe4#
- 1...Sxh5
- 2.Rxe4#
- 1...Sd7
- 2.Rxe4#
- 1...Sh7
- 2.Rxe4#
- 1...Se8
- 2.Rxe4#
- 1...Sg8
- 2.Rxe4#
- 1...e3
- 2.fxe3#
- 1...bxc4
- 2.Qxc4#
- 1...b4
- 2.Sb3#
- 1...gxh4
- 2.Se6#
- 1...g4
- 2.Se6#
- 1...Sg4
- Tries
- 1.Sa5?
- threat
- 2.Scb3#
- 1...bxc4
- 2.Qxc4#
- 1...Kxc5!
- threat
- 1.Sd6?
- threat
- 2.Sb3#
- 1...bxc4
- 2.Qxc4#
- 1...Kxc5!
- threat
- 1.Bb3?
- 1...Sxh5
- 2.Rxe4#
- 1...bxc4
- 2.Qxc4#
- 1...gxh4
- 2.Se6#
- 1...Sg4
- 2.Rxe4#
- 1...Sd5
- 2.Rxe4#
- 1...Sd7
- 2.Rxe4#
- 1...Sh7
- 2.Rxe4#
- 1...Se8
- 2.Rxe4#
- 1...Sg8
- 2.Rxe4#
- 1...e3
- 2.fxe3#
- 1...g4
- 2.Se6#
- 1...b4!
- 1...Sxh5
- 1.Rxg5?
- threat
- 2.Se6#
- 1...e3
- 2.fxe3#
- 1...hxg5!
- threat
- 1.Re8?
- 1...Sxh5
- 2.Rxe4#
- 1...bxc4
- 2.Qxc4#
- 1...gxh4
- 2.Se6#
- 1...g4
- 2.Se6#
- 1...Sg4
- 2.Rxe4#
- 1...Sd5
- 2.Rxe4#
- 1...Sd7
- 2.Rxe4#
- 1...Sh7
- 2.Rxe4#
- 1...Sg8
- 2.Rxe4#
- 1...e3
- 2.fxe3#
- 1...b4
- 2.Sb3#
- 1...Sxe8!
- 1...Sxh5
- 1.Qxb5?
- threat
- 2.Sb3#
- 2.Se6#
- 1...Sd5
- 2.Sb3#
- 2.Rxe4#
- 1...e3
- 2.Sb3#
- 2.fxe3#
- 1...cxb5!
- threat
- 1.cxb5?
- threat
- 2.Qa4#
- 1...Sd5
- 2.Rxe4#
- 1...cxb5!
- threat
- 1.hxg5?
- 1...Sxh5
- 2.Rxe4#
- 1...bxc4
- 2.Qxc4#
- 1...b4
- 2.Sb3#
- 1...Sg4
- 2.Rxe4#
- 1...Sd5
- 2.Rxe4#
- 1...Sd7
- 2.Rxe4#
- 1...Sh7
- 2.Rxe4#
- 1...Se8
- 2.Rxe4#
- 1...Sg8
- 2.Rxe4#
- 1...e3
- 2.fxe3#
- 1...hxg5!
- 1...Sxh5
- 1.Sa5?
- Keys
- 1.Qa5!
- 1...Sxh5
- 2.Rxe4#
- 1...bxc4
- 2.Se6#
- 1...gxh4
- 2.Se6#
- 1...b4
- 2.Se6#
- 1...Sg4
- 2.Rxe4#
- 1...Sd5
- 2.Rxe4#
- 1...Sd7
- 2.Rxe4#
- 1...Sh7
- 2.Rxe4#
- 1...Se8
- 2.Rxe4#
- 1...Sg8
- 2.Rxe4#
- 1...e3
- 2.fxe3#
- 1...g4
- 2.Se6#
- 1...Sxh5
- 1.Qa5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(g);N_GUARD::R1(K),XP(c)
- S(g);N_GUARD,XR(G)::R1(K),XP(c)
- P(c);OGATE::P(C),XP(c)
- P(d);OGATE,XP(D)::QAR1(H),XP(d)
- P(d);::S(F)
- P(e);XP(E)::S(F)
- P(e);::S(F)
- Tries
- Try
- S(J);
- Threat
- S(F)
- Vars
- P(d);OGATE,XP(D)::QAR1(H),XP(d)
- Refutation
- K(b);P_SPINP(e),S_FLIGHT,XS(F)
- Try
- S(J);
- Threat
- S(F)
- Vars
- P(d);OGATE,XP(D)::QAR1(H),XP(d)
- Refutation
- K(b);P_SPINP(e),S_FLIGHT,XS(F)
- Try
- B(A);
- Vars
- S(g);N_GUARD,XR(G)::R1(K),XP(c)
- P(d);OGATE,XP(D)::QAR1(H),XP(d)
- P(e);XP(E)::S(F)
- S(g);N_GUARD::R1(K),XP(c)
- P(c);OGATE::P(C),XP(c)
- P(e);::S(F)
- Refutation
- P(d);
- Try
- R(G);XP(e)
- Threat
- S(F)
- Vars
- P(c);OGATE::P(C),XP(c)
- Refutation
- P(h);XR(G)
- Try
- R(K);
- Vars
- S(g);N_GUARD,XR(G)::R1(K),XP(c)
- P(d);OGATE,XP(D)::QAR1(H),XP(d)
- P(e);XP(E)::S(F)
- P(e);::S(F)
- S(g);N_GUARD::R1(K),XP(c)
- P(c);OGATE::P(C),XP(c)
- P(d);::S(F)
- Refutation
- S(g);XR(K)
- Try
- Q(H);XP(d)
- Threat
- DUALS(2)
- Refutation
- P(f);XQ(H)
- Try
- P(D);XP(d)
- Threat
- QAR(H)
- Vars
- S(g);N_GUARD::R1(K),XP(c)
- Refutation
- P(f);XP(D)
- Try
- P(E);XP(e)
- Vars
- S(g);N_GUARD,XR(G)::R1(K),XP(c)
- P(d);OGATE,XP(D)::QAR1(H),XP(d)
- P(d);::S(F)
- S(g);N_GUARD::R1(K),XP(c)
- P(c);OGATE::P(C),XP(c)
- Refutation
- P(h);XP(E)
- Try
- Actual
- Q(H);
- Vars
- S(g);N_GUARD,XR(G)::R1(K),XP(c)
- P(d);XP(D)::S(F)
- P(e);XP(E)::S(F)
- P(d);::S(F)
- S(g);N_GUARD::R1(K),XP(c)
- P(c);OGATE::P(C),XP(c)
- P(e);::S(F)
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