MESON Chess Problem Database
Problem Display
PID: 145329 (5N2/3PB3/1p3RP1/1Q1Pkb1K/R2p4/2P1pP2/6PN/2br4 w - - 0 1)
Morse, Christopher Jeremy
British Chess Magazine, 1966
#2
13 + 7
SOLUTION
- SOUND
- Sets
- 1...Kf4
- 2.Bd6#
- 1...Bb1
- 2.Sg4#
- 2.d6#
- 1...Bc2
- 2.Sg4#
- 2.d6#
- 1...Bd3
- 2.Sg4#
- 2.cxd4#
- 1...Bh3
- 2.d6#
- 1...Be4
- 2.Sg4#
- 2.f4#
- 1...Bg4+
- 2.Sxg4#
- 1...Be6
- 2.dxe6#
- 1...Bxg6+
- 2.Sxg6#
- 1...Bxd7
- 2.Sxd7#
- 1...dxc3
- 2.f4#
- 1...d3
- 2.f4#
- 2.d6#
- 1...Kf4
- Tries
- 1.Kg5?
- threat
- 2.Bd6#
- 2.Rxf5#
- 2.d6#
- 1...Bxg6
- 2.Sg4#
- 2.Sxg6#
- 2.Bd6#
- 2.Re6#
- 2.d6#
- 1...Bxd7
- 2.Sxd7#
- 2.Bd6#
- 1...dxc3
- 2.Bd6#
- 2.Rxf5#
- 2.f4#
- 1...Ba3
- 2.Rxf5#
- 1...Bb1
- 2.Sg4#
- 2.Bd6#
- 2.Re6#
- 2.d6#
- 1...Bc2
- 2.Sg4#
- 2.Bd6#
- 2.Re6#
- 2.d6#
- 1...Bd3
- 2.Sg4#
- 2.Bd6#
- 2.Re6#
- 2.cxd4#
- 1...Bh3
- 2.Bd6#
- 2.d6#
- 1...Be4
- 2.Sg4#
- 2.Bd6#
- 2.Re6#
- 2.f4#
- 1...Bg4
- 2.Sxg4#
- 2.Bd6#
- 2.d6#
- 1...Be6
- 2.Rxe6#
- 2.dxe6#
- 1...e2+!
- threat
- 1.Sg4+?
- 1...Kf4
- 2.Bd6#
- 1...Bxg4+!
- 1...Kf4
- 1.Rxd4?
- threat
- 2.f4#
- 2.d6#
- 1...Bg4+
- 2.Sxg4#
- 1...Bxg6+
- 2.Sxg6#
- 1...Bxd7
- 2.Sxd7#
- 2.Re4#
- 2.f4#
- 1...Rf1
- 2.d6#
- 1...Ba3
- 2.f4#
- 1...Bd3
- 2.Sg4#
- 2.f4#
- 1...Be4
- 2.Sg4#
- 2.Rxe4#
- 2.f4#
- 1...Be6
- 2.Re4#
- 2.f4#
- 2.dxe6#
- 1...e2
- 2.d6#
- 1...Rxd4!
- threat
- 1.Re6+?
- 1...Kf4
- 2.Bd6#
- 1...Bxe6!
- 1...Kf4
- 1.Qc6?
- threat
- 2.Qd6#
- 1...Bg4+
- 2.Sxg4#
- 1...Bxg6+
- 2.Sxg6#
- 1...Kf4
- 2.Bd6#
- 2.Qd6#
- 2.Qc7#
- 1...Ba3!
- threat
- 1.g3?
- threat
- 2.d6#
- 1...Bg4+
- 2.Sxg4#
- 1...Bxg6+
- 2.Sxg6#
- 1...Bxd7
- 2.Sxd7#
- 1...dxc3
- 2.f4#
- 1...Bd3
- 2.Sg4#
- 2.cxd4#
- 1...Be4
- 2.Sg4#
- 2.f4#
- 1...Be6
- 2.dxe6#
- 1...Ba3!
- threat
- 1.cxd4+?
- 1...Kf4
- 2.Bd6#
- 1...Rxd4!
- 1...Kf4
- 1.d8Q?
- threat
- 2.Bd6#
- 2.Qc7#
- 2.Qd6#
- 2.Qb8#
- 1...Bg4+
- 2.Sxg4#
- 1...Bxg6+
- 2.Sxg6#
- 1...Kf4
- 2.Bd6#
- 2.Qc7#
- 2.Qd6#
- 2.Qb8#
- 1...Bd7
- 2.Sxd7#
- 2.Bd6#
- 2.Qc7#
- 2.Qb8#
- 1...Bc8
- 2.Bd6#
- 2.Qc7#
- 2.Qd6#
- 2.d6#
- 1...Ba3!
- threat
- 1.d8B?
- threat
- 2.Bd6#
- 2.Bc7#
- 1...Bg4+
- 2.Sxg4#
- 1...Bxg6+
- 2.Sxg6#
- 1...Kf4
- 2.Bd6#
- 2.Bc7#
- 1...Be6
- 2.Bc7#
- 2.dxe6#
- 1...Ba3!
- threat
- 1.Kg5?
- Keys
- 1.g4!
- threat
- 2.Rxf5#
- 1...Bxg4+
- 2.Sxg4#
- 1...Bxg6+
- 2.Sxg6#
- 1...Kf4
- 2.Bd6#
- 1...Bxd7
- 2.Sxd7#
- 1...Bb1
- 2.d6#
- 1...Bc2
- 2.d6#
- 1...Bd3
- 2.cxd4#
- 1...Be4
- 2.f4#
- 1...Be6
- 2.dxe6#
- threat
- 1.g4!
This is after
K. Hasenzahl.
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 2
- Sets
- K(e);P_SPINB(f),P_SPINP(d),S_FLIGHT::B(L)
- B(f);::QAR(F)+P(G)
- B(f);CHECK,N_GUARD::S(B),XB(f)
- B(f);OGATE::QAR(F)+P(G),XB(f)
- B(f);CHECK,XP(J)::S(M),XB(f)
- B(f);XP(K)::S(M),XB(f)
- P(d);XP(C)::P(D)
- Tries
- Try
- K(H);P-FLIGHT
- Threat
- DUALS(3)
- Vars
- B(a);::R1(I),XB(f)
- Refutation
- P(c);CHECK
- Try
- S(B);CHECK
- Vars
- K(e);P_SPINB(f),P_SPINP(d),S_FLIGHT::B(L)
- Refutation
- B(f);CHECK,XS(B)
- Try
- R(E);XP(d)
- Threat
- DUALS(2)
- Vars
- B(f);CHECK,N_GUARD::S(B),XB(f)
- B(f);CHECK,XP(J)::S(M),XB(f)
- R(b);::QAR(F)+P(G)
- B(a);::P(D)
- P(c);::QAR(F)+P(G)
- Refutation
- R(b);XR(E)
- Try
- R(I);CHECK
- Vars
- K(e);P_SPINP(d),S_FLIGHT::B(L)
- Refutation
- B(f);XR(I)
- Try
- Q(F);
- Threat
- QAB1(F)
- Vars
- B(f);CHECK,N_GUARD::S(B),XB(f)
- B(f);CHECK,XP(J)::S(M),XB(f)
- Refutation
- B(a);
- Try
- P(A);
- Threat
- QAR(F)+P(G)
- Vars
- B(f);CHECK,N_GUARD::S(B),XB(f)
- B(f);CHECK,XP(J)::S(M),XB(f)
- B(f);XP(K)::S(M),XB(f)
- P(d);XP(C)::P(D)
- B(f);OGATE::QAR(F)+P(G),XB(f)
- Refutation
- B(a);
- Try
- P(C);CHECK,XP(d)
- Vars
- K(e);P_SPINB(f),S_FLIGHT::B(L)
- Refutation
- R(b);XP(C)
- Try
- P(K);
- Threat
- DUALS(4)
- Vars
- B(f);CHECK,N_GUARD::S(B),XB(f)
- B(f);CHECK,XP(J)::S(M),XB(f)
- Refutation
- B(a);
- Try
- P(K);
- Threat
- DUALS(2)
- Vars
- B(f);CHECK,N_GUARD::S(B),XB(f)
- B(f);CHECK,XP(J)::S(M),XB(f)
- Refutation
- B(a);
- Try
- Actual
- P(A);
- Threat
- R1(I),XB(f)
- Vars
- B(f);CHECK,XP(A)::S(B),XB(f)
- B(f);CHECK,XP(J)::S(M),XB(f)
- K(e);P_SPINB(f),P_SPINP(d),S_FLIGHT::B(L)
- B(f);XP(K)::S(M),XB(f)
- B(f);::QAR(F)+P(G)
- B(f);S_CUTR(b)::P(C),XP(d)
- B(f);SBLOCK::P(D)
- B(f);OGATE::QAR(F)+P(G),XB(f)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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