MESON Chess Problem Database
Problem Display
PID: 160614 (5bK1/p5B1/3p4/Q2PP3/3kN3/n3Rb2/n2P1P2/2R2B2 w - - 0 1)
Shire, David J
British Chess Magazine, 2014
#2
11 + 7
SOLUTION
- SOUND
- Sets
- 1...Sc3
- 2.dxc3#
- 1...Sb1
- 2.Rc4#
- 1...Sc4
- 2.Rxc4#
- 1...Sc3
- Tries
- 1.Kxf8?
- threat
- 2.exd6#
- 2.e6#
- 1...dxe5
- 2.Qc5#
- 1...Sc4
- 2.Rxc4#
- 1...Sb5!
- threat
- 1.Sc3?
- threat
- 2.Qxa7#
- 1...Bxd5+
- 2.Qxd5#
- 1...Sxc3
- 2.dxc3#
- 1...dxe5
- 2.Bxe5#
- 1...Be2
- 2.Sxe2#
- 1...Sc4
- 2.Rd3#
- 1...a6
- 2.Qb6#
- 1...Sb5!
- threat
- 1.Sg3?
- threat
- 2.Sf5#
- 2.Rd3#
- 1...Bxg7
- 2.Sf5#
- 1...Sxc1
- 2.Sf5#
- 1...Sb5
- 2.Rd3#
- 1...Be2
- 2.Sxe2#
- 2.Sf5#
- 1...Be4
- 2.Se2#
- 2.Rxe4#
- 1...Bg4
- 2.Rd3#
- 2.Re4#
- 1...Sc3
- 2.Sf5#
- 2.dxc3#
- 1...Sb4
- 2.Sf5#
- 1...Sc2
- 2.Sf5#
- 1...Bxd5+!
- threat
- 1.Sg5?
- threat
- 2.Sxf3#
- 2.Se6#
- 2.Rd3#
- 1...Bxg7
- 2.Sxf3#
- 2.Se6#
- 1...Sxc1
- 2.Sxf3#
- 2.Se6#
- 1...Sb5
- 2.Rd3#
- 1...Bd1
- 2.Se6#
- 2.Rd3#
- 2.Re4#
- 1...Bh1
- 2.Se6#
- 2.Rd3#
- 1...Be2
- 2.Se6#
- 1...Bg2
- 2.Se6#
- 2.Rd3#
- 1...Be4
- 2.Se6#
- 2.Rxe4#
- 1...Bg4
- 2.Rd3#
- 2.Re4#
- 1...Bh5
- 2.Se6#
- 2.Rd3#
- 2.Re4#
- 1...Sc3
- 2.Sxf3#
- 2.Se6#
- 2.dxc3#
- 1...Sb4
- 2.Sxf3#
- 2.Se6#
- 1...Sc2
- 2.Sxf3#
- 2.Se6#
- 1...Bxd5+!
- threat
- 1.Sxd6?
- threat
- 2.Sf5#
- 2.Rd3#
- 2.Qc5#
- 1...Bxd6
- 2.exd6#
- 1...Bxg7
- 2.Sf5#
- 2.Qc5#
- 1...Sxc1
- 2.Sf5#
- 1...Sb5
- 2.Rd3#
- 1...Be2
- 2.Sf5#
- 2.Qc5#
- 1...Be4
- 2.Rxe4#
- 2.Qc5#
- 1...Bg4
- 2.Rd3#
- 2.Re4#
- 2.Qc5#
- 1...Sc3
- 2.Sf5#
- 2.Rd3#
- 2.dxc3#
- 1...Sb4
- 2.Sf5#
- 2.Qc5#
- 1...Sc2
- 2.Sf5#
- 2.Rd3#
- 1...Sc4
- 2.Sf5#
- 2.Rxc4#
- 2.Rd3#
- 1...Bxd5+!
- threat
- 1.Kxf8?
- Keys
- 1.Sf6!
- threat
- 2.Qxa7#
- 1...Bxd5+
- 2.Qxd5#
- 1...dxe5
- 2.Rd3#
- 1...Be4
- 2.Rxe4#
- 1...Sc4
- 2.Rxc4#
- 1...Sb5
- 2.Rc4#
- 1...a6
- 2.Qb6#
- threat
- 1.Sf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 2
- Sets
- S(a);OGATE::P(C),XS(a)
- S(b);N_GUARD::R1(A)
- S(b);N_GUARD::R1(A),XS(b)
- Tries
- Try
- K(K);P-FLIGHT,XB(g)
- Threat
- DUALS(2)
- Vars
- P(e);N_GUARD,P_SPINP(e),XP(I)::QAB1(G)
- S(b);N_GUARD::R1(A),XS(b)
- Refutation
- S(b);
- Try
- S(F);
- Threat
- QAB(G),XP(f)
- Vars
- B(c);CHECK,OGATE,XP(H)::QAR1(G),XB(c)
- S(a);OGATE,XS(F)::P(C),XS(a)
- P(e);OGATE,P_SPINP(e),XP(I)::B(J),XP(e)
- B(c);N_GUARD::S(F),XB(c)
- S(b);SBLOCK::R1(E)
- P(f);N_GUARD::QAB(G)
- Refutation
- S(b);
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- B(g);XB(J)::S(F)
- S(a);XR(A)::S(F)
- S(b);::R1(E)
- S(a);::S(F)
- S(b);::S(F)
- Refutation
- B(c);CHECK,XP(H)
- Try
- S(F);
- Threat
- DUALS(3)
- Vars
- S(b);::R1(E)
- B(c);::S(F)
- Refutation
- B(c);CHECK,XP(H)
- Try
- S(F);XP(e)
- Threat
- DUALS(3)
- Vars
- B(g);OGATE,XS(F)::B(J)+P(I),XB(g)
- S(a);XR(A)::S(F)
- S(b);::R1(E)
- Refutation
- B(c);CHECK,XP(H)
- Try
- Actual
- S(F);
- Threat
- QAB(G),XP(f)
- Vars
- B(c);CHECK,OGATE,XP(H)::QAR1(G),XB(c)
- P(e);SBLOCK,XP(I)::R1(E)
- B(c);N_GUARD::R1(E),XB(c)
- S(b);N_GUARD::R1(A),XS(b)
- S(b);N_GUARD::R1(A)
- P(f);N_GUARD::QAB(G)
Developed and maintained by Brian Stephenson.
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