MESON Chess Problem Database
Problem Display
PID: 75089 (B2QR2r/3Kb3/NB2N1rR/1p1n3p/1p1PkpP1/1pp5/1n2PP2/q7 w - - 0 1)
Gamage, Frederick
British Chess Magazine, 1945
#2
12 + 13
| 5397 | Frederick Gamage (Prcic) | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Rg5
- 2.Sxg5#
- 1...Rxe6
- 2.Rxe6#
- 1...Rf6
- 2.Sg5#
- 1...Rgxh6
- 2.Sg5#
- 1...Bh4
- 2.Sac5#
- 2.Sg5#
- 1...Bc5
- 2.Saxc5#
- 1...Bg5
- 2.Sac5#
- 2.Sxg5#
- 1...Bd6
- 2.Sg5#
- 1...Bf6
- 2.Sac5#
- 2.Sg5#
- 1...Bxd8
- 2.Sac5#
- 2.Sg5#
- 1...Bf8
- 2.Sg5#
- 1...Rg5
- Tries
- 1.Kc8?
- threat
- 2.Bxd5#
- 2.Qxd5#
- 1...Rxg4
- 2.Qxd5#
- 1...Rxe8
- 2.Bxd5#
- 1...Bxd8
- 2.Sac5#
- 2.Sg5#
- 1...hxg4
- 2.Qxd5#
- 1...Rg5
- 2.Sxg5#
- 1...Bd6
- 2.Sg5#
- 1...Qxa6+!
- threat
- 1.Rxh5?
- threat
- 2.Bxd5#
- 2.Re5#
- 1...Rxe6
- 2.Bxd5#
- 1...Rg5
- 2.Sxg5#
- 1...Bg5
- 2.Sac5#
- 2.Sxg5#
- 1...Bd6
- 2.Sg5#
- 2.Bxd5#
- 1...Bf6
- 2.Sac5#
- 2.Sg5#
- 2.Bxd5#
- 1...Sd3
- 2.Bxd5#
- 1...Sc4
- 2.Bxd5#
- 1...Rxh5!
- threat
- 1.Qc7?
- threat
- 2.Qxf4#
- 2.Qe5#
- 1...Rxg4
- 2.Qe5#
- 1...Rxe6
- 2.Rxe6#
- 1...Qc1
- 2.Qe5#
- 1...Rg5
- 2.Sxg5#
- 2.Qxf4#
- 1...Rf6
- 2.Sg5#
- 2.Qe5#
- 1...Rf8
- 2.Qe5#
- 1...Bg5
- 2.Sac5#
- 2.Sxg5#
- 2.Qe5#
- 1...Bd6
- 2.Sg5#
- 1...Bf6
- 2.Sac5#
- 2.Sg5#
- 2.Qxf4#
- 1...Sc4
- 2.Qxf4#
- 1...f3
- 2.Qf4#
- 2.Qe5#
- 1...Sd3!
- threat
- 1.Qxe7?
- threat
- 2.Sac5#
- 2.Sg5#
- 1...Qxa6
- 2.Sg5#
- 1...Rxg4
- 2.Sg7#
- 1...Rxe6
- 2.Rxe6#
- 2.Qxe6#
- 1...Rg5
- 2.Sac5#
- 2.Sxg5#
- 1...Sd3
- 2.Sg5#
- 1...Sa4
- 2.Sg5#
- 1...f3
- 2.Sac5#
- 1...hxg4!
- threat
- 1.Qb8?
- threat
- 2.Qxf4#
- 2.Qe5#
- 1...Rxg4
- 2.Qe5#
- 1...Rxe6
- 2.Rxe6#
- 1...Qc1
- 2.Qe5#
- 1...Rg5
- 2.Sxg5#
- 2.Qxf4#
- 1...Rf6
- 2.Sg5#
- 2.Qe5#
- 1...Rf8
- 2.Qe5#
- 1...Bg5
- 2.Sac5#
- 2.Sxg5#
- 2.Qe5#
- 1...Bd6
- 2.Sg5#
- 1...Bf6
- 2.Sac5#
- 2.Sg5#
- 2.Qxf4#
- 1...Sc4
- 2.Qxf4#
- 1...f3
- 2.Qf4#
- 2.Qe5#
- 1...Sd3!
- threat
- 1.Kc8?
- Keys
- 1.Kc6!
- threat
- 2.Qxd5#
- 1...Rxe6+
- 2.Rxe6#
- 1...Bxd8
- 2.Sc5#
- 1...Sxb6
- 2.Kxb6#
- 1...Rg5
- 2.Sxg5#
- 1...Bd6
- 2.Sg5#
- 1...Se3
- 2.f3#
- 1...Sf6
- 2.Sec5#
- 1...Sc7
- 2.Kxc7#
- threat
- 1.Kc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 4
- Sets
- R(k);N_GUARD::S(G),XR(k)
- R(k);OGATE,XS(G)::R(H),XR(k)
- R(k);N_GUARD::S(G)
- R(k);N_GUARD,XR(H)::S(G)
- B(l);N_GUARD::S(E),XB(l)
- B(l);::R(L)+S(G),DCHECK
- Tries
- Try
- K(I);S_FLIGHT
- Threat
- DUALS(2)
- Vars
- R(k);XP(D)::QAB1(K),XS(i)
- R(m);P_PINQ(K),XR(L)::B(J),XS(i)
- P(j);XP(D)::QAB1(K),XS(i)
- R(k);N_GUARD::S(G),XR(k)
- B(l);::R(L)+S(G),DCHECK
- Refutation
- Q(a);CHECK,XS(E)
- Try
- R(H);XP(j)
- Threat
- DUALS(2)
- Vars
- R(k);XS(G)::B(J),XS(i)
- R(k);N_GUARD::S(G),XR(k)
- S(b);::B(J),XS(i)
- Refutation
- R(m);XR(H)
- Try
- Q(K);
- Threat
- DUALS(2)
- Vars
- R(k);XP(D)::QAR1(K)
- R(k);OGATE,XS(G)::R(H),XR(k)
- Q(a);::QAR1(K)
- R(m);::QAR1(K)
- B(l);::R(L)+S(G),DCHECK
- S(b);::QAR1(K),XP(g)
- Refutation
- S(b);
- Try
- Q(K);XB(l)
- Threat
- DUALS(2)
- Vars
- Q(a);XS(E)::QAR(K)+S(G),DCHECK
- R(k);N_GUARD,XP(D)::QAR(K)+S(G)
- S(b);::QAR(K)+S(G),DCHECK
- P(g);::S(E)
- Refutation
- P(j);XP(D)
- Try
- Q(K);
- Threat
- DUALS(2)
- Vars
- R(k);XP(D)::QAR1(K)
- R(k);OGATE,XS(G)::R(H),XR(k)
- Q(a);::QAR1(K)
- R(m);::QAR1(K)
- B(l);::R(L)+S(G),DCHECK
- S(b);::QAR1(K),XP(g)
- Refutation
- S(b);
- Try
- Actual
- K(I);N_PINS(i),P_SPINS(G),S_FLIGHT
- Threat
- QAB1(K),XS(i)
- Vars
- R(k);CHECK,OGATE,XS(G)::R(H),XR(k)
- B(l);N_GUARD,XQ(K)::S(E)
- S(i);XB(F)::B(J)+K(I),XS(i)
- R(k);N_PINS(G)::S(G),XR(k)
- B(l);N_PINS(G)::R(L)+S(G),DCHECK
- S(i);SBLOCK::P(B)
- S(i);N_PINS(G)::S(G)
- S(i);::B(J)+K(I),XS(i)
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