MESON Chess Problem Database
Problem Display
PID: 186030 (QB6/K4ppb/7b/pp1N1P2/q3k1p1/2P4N/B1P3P1/2nR1R2 w - - 0 1)
Cooper, Arthur Richard
Sussex Chess Problem Fraternity, 1918
#2
12 + 10
| 15 | British Chess Magazine | 1918 |
SOLUTION
- SOUND
- Sets
- 1...Qxc2
- 2.Rd4#
- 1...Qb3
- 2.Rd4#
- 1...Qxa2
- 2.Rd4#
- 1...Qa3
- 2.Rd4#
- 1...Qd4+
- 2.Rxd4#
- 1...Be3+
- 2.Sb6#
- 1...Bf4
- 2.Rxf4#
- 1...Bg5
- 2.Sxg5#
- 1...Bxf5
- 2.Sf2#
- 1...Sd3
- 2.cxd3#
- 1...b4
- 2.Rd4#
- 1...Qxc2
- Tries
- 1.Sc7+?
- 1...Ke5
- 2.Se8#
- 1...Ke3!
- 1...Ke5
- 1.Bc7?
- threat
- 2.Qe8#
- 1...Qd4+
- 2.Rxd4#
- 1...Be3+
- 2.Sb6#
- 1...Bxf5
- 2.Sf2#
- 1...Bf4
- 2.Rxf4#
- 1...Qa3
- 2.Rd4#
- 1...Bg5
- 2.Sxg5#
- 1...Sd3
- 2.cxd3#
- 1...b4
- 2.Rd4#
- 1...Qb4!
- threat
- 1.Rde1+?
- 1...Be3+
- 2.Sxe3#
- 2.Sb6#
- 2.Rxe3#
- 1...Se2!
- 1...Be3+
- 1.Rd3?
- threat
- 2.Se3#
- 2.Sb4#
- 2.Sb6#
- 2.Sf6#
- 2.Se7#
- 1...Qd4+
- 2.Rxd4#
- 1...Be3+
- 2.Sxe3#
- 2.Sb6#
- 2.Rxe3#
- 1...Qxc2
- 2.Sb4#
- 2.Rd4#
- 1...Qxa2
- 2.Sf6#
- 2.Rd4#
- 1...Bf4
- 2.Se3#
- 2.Se7#
- 2.Rxf4#
- 1...Qb4
- 2.Se3#
- 2.Sxb4#
- 2.Sb6#
- 2.Sf6#
- 2.Se7#
- 1...Qb3
- 2.Sf6#
- 2.Rd4#
- 1...Qc4
- 2.Sf6#
- 1...b4
- 2.Sf6#
- 2.Rd4#
- 1...f6
- 2.Se3#
- 2.Sb4#
- 2.Sb6#
- 2.Sxf6#
- 2.Se7#
- 1...Sxd3!
- threat
- 1.Rf3?
- threat
- 2.Sf2#
- 2.Se3#
- 2.Sb4#
- 2.Sb6#
- 2.Sf6#
- 2.Se7#
- 1...Qd4+
- 2.Rxd4#
- 1...Be3+
- 2.Sxe3#
- 2.Sb6#
- 1...Qxc2
- 2.Se3#
- 2.Sb4#
- 2.Sb6#
- 2.Sf6#
- 2.Se7#
- 2.Rd4#
- 1...Qxa2
- 2.Sf2#
- 2.Sf6#
- 2.Rd4#
- 1...gxh3
- 2.Se3#
- 2.Sb4#
- 2.Sb6#
- 2.Sf6#
- 2.Se7#
- 1...Bf4
- 2.Se3#
- 2.Se7#
- 2.Rxf4#
- 1...Qb4
- 2.Sf2#
- 2.Se3#
- 2.Sxb4#
- 2.Sb6#
- 2.Sf6#
- 2.Se7#
- 1...Qb3
- 2.Sf2#
- 2.Sf6#
- 2.Rd4#
- 1...Qc4
- 2.Sf2#
- 2.Sf6#
- 1...Sd3
- 2.Se3#
- 2.Sb4#
- 2.Sb6#
- 2.Sf6#
- 2.Se7#
- 2.cxd3#
- 1...g3
- 2.Se3#
- 2.Sb4#
- 2.Sb6#
- 2.Sf6#
- 2.Se7#
- 1...b4
- 2.Sf2#
- 2.Sf6#
- 2.Rd4#
- 1...f6
- 2.Sf2#
- 2.Se3#
- 2.Sb4#
- 2.Sb6#
- 2.Sxf6#
- 2.Se7#
- 1...gxf3!
- threat
- 1.Qc6?
- threat
- 2.Qe8#
- 1...Qd4+
- 2.Rxd4#
- 1...Be3+
- 2.Sb6#
- 1...Bxf5
- 2.Sf2#
- 1...Bf4
- 2.Rxf4#
- 1...Qa3
- 2.Rd4#
- 1...Bg5
- 2.Sxg5#
- 1...Sd3
- 2.cxd3#
- 1...b4
- 2.Rd4#
- 2.Qc4#
- 1...Qb4!
- threat
- 1.Qb7?
- threat
- 2.Qe7#
- 1...Qd4+
- 2.Rxd4#
- 1...Be3+
- 2.Sb6#
- 1...Bxf5
- 2.Sf2#
- 1...Bf4
- 2.Rxf4#
- 1...Qa3
- 2.Rd4#
- 1...Bg5
- 2.Sxg5#
- 1...Sd3
- 2.cxd3#
- 1...Qb4!
- threat
- 1.Sc7+?
- Keys
- 1.Bd6!
- threat
- 2.Qe8#
- 1...Qd4+
- 2.Rxd4#
- 1...Be3+
- 2.Sb6#
- 1...Bxf5
- 2.Sf2#
- 1...Bf4
- 2.Rxf4#
- 1...Bg5
- 2.Sxg5#
- 1...Sd3
- 2.cxd3#
- 1...b4
- 2.Rd4#
- threat
- 1.Bd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 4
- Sets
- Q(b);N_GUARD,XP(D)::R1(A)
- Q(b);N_GUARD::R1(A)
- Q(b);N_GUARD,XB(C)::R1(A)
- Q(b);CHECK,N_GUARD::R1(A),XQ(b)
- B(g);CHECK,SBLOCK::QAB(K)+S(H)
- B(g);N_GUARD::R1(B),XB(g)
- B(g);N_GUARD::S(G),XB(g)
- B(j);SBLOCK,XP(I)::S(G)
- S(a);OGATE::P(D),XS(a)
- P(f);S_CUTQ(b)::R1(A)
- Tries
- Try
- S(H);CHECK
- Vars
- K(c);P-FLIGHT::B(L)+S(H)
- Refutation
- K(c);P-FLIGHT
- Try
- B(L);
- Threat
- QAR(K)
- Vars
- Q(b);CHECK,N_GUARD::R1(A),XQ(b)
- B(g);CHECK,SBLOCK::QAB(K)+S(H)
- B(j);SBLOCK,XP(I)::S(G)
- B(g);N_GUARD::R1(B),XB(g)
- Q(b);N_GUARD::R1(A)
- B(g);N_GUARD::S(G),XB(g)
- S(a);OGATE::P(D),XS(a)
- P(f);S_CUTQ(b)::R1(A)
- Refutation
- Q(b);
- Try
- R(A);CHECK
- Refutation
- S(a);P_SPINS(a)
- Try
- R(A);
- Threat
- DUALS(5)
- Vars
- Q(b);CHECK,N_GUARD::R1(A),XQ(b)
- Q(b);::QAB(K)+S(H),DCHECK
- Refutation
- S(a);XR(A)
- Try
- R(B);
- Threat
- DUALS(6)
- Vars
- Q(b);CHECK,N_GUARD::R1(A),XQ(b)
- Refutation
- P(d);XR(B)
- Try
- Q(K);
- Threat
- QAR(K)
- Vars
- Q(b);CHECK,N_GUARD::R1(A),XQ(b)
- B(g);CHECK,SBLOCK::QAB(K)+S(H)
- B(j);SBLOCK,XP(I)::S(G)
- B(g);N_GUARD::R1(B),XB(g)
- Q(b);N_GUARD::R1(A)
- B(g);N_GUARD::S(G),XB(g)
- S(a);OGATE::P(D),XS(a)
- Refutation
- Q(b);
- Try
- Q(K);
- Threat
- QAR(K)
- Vars
- Q(b);CHECK,N_GUARD::R1(A),XQ(b)
- B(g);CHECK,SBLOCK::QAB(K)+S(H)
- B(j);SBLOCK,XP(I)::S(G)
- B(g);N_GUARD::R1(B),XB(g)
- Q(b);N_GUARD::R1(A)
- B(g);N_GUARD::S(G),XB(g)
- S(a);OGATE::P(D),XS(a)
- Refutation
- Q(b);
- Try
- Actual
- B(L);
- Threat
- QAR(K)
- Vars
- Q(b);CHECK,N_GUARD::R1(A),XQ(b)
- B(g);CHECK,SBLOCK::QAB(K)+S(H)
- B(j);SBLOCK,XP(I)::S(G)
- B(g);N_GUARD::R1(B),XB(g)
- B(g);N_GUARD::S(G),XB(g)
- S(a);OGATE::P(D),XS(a)
- P(f);S_CUTQ(b)::R1(A)
Developed and maintained by Brian Stephenson.
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