MESON Chess Problem Database
Problem Display
PID: 9442 (N2Q1b1q/2n2P2/3R2pp/2p1kP2/2n2R1P/7K/5PBB/1b6 w - - 0 1)
Blake, Percy Francis
1st Prize, Hampstead and Highgate Express, 1903
#2
11 + 9
| 15 | British Chess Magazine | 1904 |
| 14868 | Pirnie Collection | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Qf6
- 2.Qxf6#
- 1...Qh7
- 2.Qf6#
- 1...Qg8
- 2.Qf6#
- 1...Be4
- 2.Rf3#
- 1...Bxf5+
- 2.Rg4#
- 1...Bxd6
- 2.Qxh8#
- 1...Sb5
- 2.Rd5#
- 2.Re6#
- 1...Sd5
- 2.Rxd5#
- 2.Re6#
- 1...Sa6
- 2.Rd5#
- 2.Re6#
- 1...Se6
- 2.Rd5#
- 2.Rxe6#
- 1...Sxa8
- 2.Rd5#
- 2.Re6#
- 1...Se8
- 2.Rd5#
- 2.Re6#
- 1...gxf5
- 2.Re4#
- 1...Qf6
- Tries
- 1.Sxc7?
- threat
- 2.Rd5#
- 2.Re6#
- 1...Bxf5+
- 2.Rg4#
- 1...Bxd6
- 2.Qxh8#
- 1...Qf6
- 2.Rd5#
- 2.Qxf6#
- 1...Be4
- 2.Rf3#
- 2.Re6#
- 1...Be7
- 2.Re6#
- 2.Qxe7#
- 1...Se3
- 2.Re6#
- 1...Sb6
- 2.Re6#
- 1...Sxd6!
- threat
- 1.Bc6?
- threat
- 2.Rf3#
- 1...Bxf5+
- 2.Rg4#
- 1...Bxd6
- 2.Qxh8#
- 1...gxf5
- 2.Re4#
- 1...Sd5
- 2.Rxd5#
- 2.Re6#
- 1...Se6
- 2.Rd5#
- 2.Rxe6#
- 1...Sxd6!
- threat
- 1.Bb7?
- threat
- 2.Rf3#
- 1...Bxf5+
- 2.Rg4#
- 1...Bxd6
- 2.Qxh8#
- 1...gxf5
- 2.Re4#
- 1...Sd5
- 2.Rxd5#
- 2.Re6#
- 1...Se6
- 2.Rd5#
- 2.Rxe6#
- 1...Sxd6!
- threat
- 1.Qg5?
- threat
- 2.Rxc4#
- 2.Rfd4#
- 2.Re4#
- 2.Rg4#
- 1...Bxf5+
- 2.Rg4#
- 2.Rxf5#
- 1...Kxd6
- 2.Rd4#
- 1...Bxd6
- 2.Rxc4#
- 2.Rg4#
- 1...Sxd6
- 2.Ra4#
- 2.Rb4#
- 2.Rc4#
- 2.Rg4#
- 1...Be4
- 2.Rf3#
- 2.Rxe4#
- 2.Rg4#
- 1...Sb2
- 2.Ra4#
- 2.Rb4#
- 2.Rc4#
- 2.Rfd4#
- 2.Re4#
- 2.Rg4#
- 1...Sd2
- 2.Ra4#
- 2.Rb4#
- 2.Rc4#
- 2.Rfd4#
- 2.Re4#
- 2.Rg4#
- 1...Sa3
- 2.Ra4#
- 2.Rb4#
- 2.Rc4#
- 2.Rfd4#
- 2.Re4#
- 2.Rg4#
- 1...Se3
- 2.Ra4#
- 2.Rb4#
- 2.Rc4#
- 2.Rfd4#
- 2.Re4#
- 2.Rg4#
- 1...Sa5
- 2.Ra4#
- 2.Rb4#
- 2.Rc4#
- 2.Rfd4#
- 2.Re4#
- 2.Rg4#
- 1...Sb6
- 2.Ra4#
- 2.Rb4#
- 2.Rc4#
- 2.Rfd4#
- 2.Re4#
- 2.Rg4#
- 1...Sd5
- 2.Re4#
- 2.Rxd5#
- 2.Re6#
- 1...Se6
- 2.Re4#
- 2.Rd5#
- 2.Rxe6#
- 1...hxg5!
- threat
- 1.Qe7+?
- 1...Se6
- 2.Rd5#
- 2.Rxe6#
- 2.Qxe6#
- 1...Bxe7!
- 1...Se6
- 1.Qc8?
- threat
- 2.Rxc4#
- 2.Rfd4#
- 2.Re4#
- 2.Rg4#
- 1...Bxf5+
- 2.Rg4#
- 2.Rxf5#
- 1...Kxd6
- 2.Qxc7#
- 1...Bxd6
- 2.Qxh8#
- 1...gxf5
- 2.Re4#
- 2.Rxf5#
- 1...Se6
- 2.Rxe6#
- 2.Qxe6#
- 1...Be4
- 2.Rf3#
- 2.Rxe4#
- 2.Rg4#
- 1...Sb2
- 2.Ra4#
- 2.Rb4#
- 2.Rc4#
- 2.Rfd4#
- 2.Re4#
- 2.Rg4#
- 1...Sd2
- 2.Ra4#
- 2.Rb4#
- 2.Rc4#
- 2.Rfd4#
- 2.Re4#
- 2.Rg4#
- 1...Sa3
- 2.Ra4#
- 2.Rb4#
- 2.Rc4#
- 2.Rfd4#
- 2.Re4#
- 2.Rg4#
- 1...Se3
- 2.Ra4#
- 2.Rb4#
- 2.Rc4#
- 2.Rfd4#
- 2.Re4#
- 2.Rg4#
- 1...Sa5
- 2.Ra4#
- 2.Rb4#
- 2.Rc4#
- 2.Rfd4#
- 2.Re4#
- 2.Rg4#
- 1...Sb6
- 2.Ra4#
- 2.Rb4#
- 2.Rc4#
- 2.Rfd4#
- 2.Re4#
- 2.Rg4#
- 1...Sd5
- 2.Re4#
- 2.Re6#
- 2.Qe6#
- 1...Sxd6!
- threat
- 1.Qe8+?
- 1...Kxd6
- 2.Rd4#
- 1...Se6
- 2.Rxe6#
- 2.Qxe6#
- 1...Sxe8
- 2.Re6#
- 1...Be7!
- 1...Kxd6
- 1.Sxc7?
- Keys
- 1.Qb8!
- threat
- 2.Re6#
- 1...Bxf5+
- 2.Rg4#
- 1...Kxd6
- 2.Qxc7#
- 1...Bxd6
- 2.Qxh8#
- 1...Sxd6
- 2.Qb2#
- 1...gxf5
- 2.Re4#
- 1...Qf6
- 2.Rd5#
- 1...Be4
- 2.Rf3#
- 1...Se6
- 2.Rxe6#
- threat
- 1.Qb8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 2
- Sets
- Q(i);N_GUARD::QAB1(K),XQ(i)
- Q(i);N_GUARD::QAB1(K)
- B(a);SBLOCK::B(C)+R(E)
- B(a);CHECK,SBLOCK,XP(G)::B(C)+R(E)
- B(h);OGATE,SBLOCK,XR(H)::QAB(K),XQ(i)
- P(e);SBLOCK,XP(G)::B(C)+R(E),DCHECK
- Tries
- Try
- S(J);XS(g)
- Threat
- DUALS(2)
- Vars
- B(a);CHECK,SBLOCK,XP(G)::B(C)+R(E)
- B(h);OGATE,SBLOCK,XR(H)::QAB(K),XQ(i)
- S(b);::R1(H)
- Refutation
- S(b);XR(H)
- Try
- B(B);
- Threat
- B(C)+R(E)
- Vars
- B(a);CHECK,SBLOCK,XP(G)::B(C)+R(E)
- B(h);OGATE,SBLOCK,XR(H)::QAB(K),XQ(i)
- P(e);SBLOCK,XP(G)::B(C)+R(E),DCHECK
- Refutation
- S(b);XR(H)
- Try
- B(B);
- Threat
- B(C)+R(E)
- Vars
- B(a);CHECK,SBLOCK,XP(G)::B(C)+R(E)
- B(h);OGATE,SBLOCK,XR(H)::QAB(K),XQ(i)
- P(e);SBLOCK,XP(G)::B(C)+R(E),DCHECK
- Refutation
- S(b);XR(H)
- Try
- Q(K);
- Threat
- DUALS(4)
- Vars
- K(d);S_FLIGHT,XR(H)::B(C)+R(E),DCHECK
- Refutation
- P(f);P_PINP(F),XQ(K)
- Try
- Q(K);CHECK
- Refutation
- B(h);XQ(K)
- Try
- Q(K);
- Threat
- DUALS(4)
- Vars
- K(d);OGATEB,S_FLIGHT,XR(H)::QAB1(K),XS(g)
- B(h);OGATE,SBLOCK,XR(H)::QAB(K),XQ(i)
- Refutation
- S(b);XR(H)
- Try
- Q(K);CHECK
- Vars
- K(d);S_FLIGHT,XR(H)::B(C)+R(E),DCHECK
- S(g);N_GUARD,XQ(K)::R1(H)
- Refutation
- B(h);P_SPINB(h)
- Try
- Actual
- Q(K);
- Threat
- R1(H)
- Vars
- B(a);CHECK,SBLOCK,XP(G)::B(C)+R(E)
- K(d);OGATEB,P_SPINS(g),S_FLIGHT,XR(H)::QAB1(K),XS(g)
- B(h);OGATE,SBLOCK,XR(H)::QAB(K),XQ(i)
- S(b);N_GUARD,SBLOCK,XR(H)::QAB(K)
- P(e);SBLOCK,XP(G)::B(C)+R(E),DCHECK
- Q(i);SBLOCK::R1(H)
- B(a);SBLOCK::B(C)+R(E)
- S(g);::QAB(K)+R(H),DCHECK,XS(g)
Developed and maintained by Brian Stephenson.
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