MESON Chess Problem Database
Problem Display
PID: 254999 (5n2/2r1q1pn/3prP1B/2p1kN2/3R4/6Kb/2PN1R2/b5QB w - - 0 1)
Braithwaite, Kenneth Holmes
Probleemblad, 1984
#2
10 + 11
SOLUTION
- SOUND
- Sets
- 1...Qxf6
- 2.Sc4#
- 2.Rd5#
- 2.Qe1#
- 1...Rxf6
- 2.Qe1#
- 1...Sxf6
- 2.Sc4#
- 1...gxf6
- 2.Sc4#
- 2.Rd5#
- 2.Qe1#
- 1...Qxf6
- Tries
- 1.Sxe7?
- threat
- 2.Re4#
- 2.Rd5#
- 1...Kxd4
- 2.Qxa1#
- 1...Rxf6
- 2.Re2#
- 2.Re4#
- 1...Rcxe7
- 2.Rd5#
- 1...Bxd4
- 2.Sc4#
- 1...Sxf6
- 2.Sf3#
- 1...cxd4
- 2.Qe1#
- 1...Bf5
- 2.Rxf5#
- 1...d5
- 2.Rxd5#
- 1...Bg2
- 2.Rf5#
- 1...Sg5
- 2.Rd5#
- 1...Rexe7!
- threat
- 1.Sxg7?
- threat
- 2.Rd5#
- 1...Kxd4
- 2.Qxa1#
- 1...Bxd4
- 2.Sc4#
- 1...Sxf6
- 2.Sf3#
- 1...cxd4
- 2.Qe1#
- 1...Bf5
- 2.Rxf5#
- 1...d5
- 2.Rxd5#
- 1...Bg2
- 2.Rf5#
- 1...Qxg7+!
- threat
- 1.Bg5?
- threat
- 2.Sc4#
- 2.Rd5#
- 2.Qe1#
- 1...Rxf6
- 2.Qe1#
- 1...Bxd4
- 2.Sc4#
- 1...Bxf5
- 2.Sf3#
- 2.Rd5#
- 1...Sxf6
- 2.Sc4#
- 1...cxd4
- 2.Qe1#
- 1...Bf1
- 2.Rd5#
- 1...Bg2
- 2.Sc4#
- 1...Bg4
- 2.Sc4#
- 2.Rd5#
- 1...c4
- 2.Rd5#
- 2.Qe1#
- 1...d5
- 2.Rxd5#
- 2.Qe1#
- 1...Sxg5!
- threat
- 1.Bxg7?
- threat
- 2.Sc4#
- 2.Rd5#
- 2.Qe1#
- 1...Rxf6
- 2.Qe1#
- 1...Bxd4
- 2.Sc4#
- 1...Bxf5
- 2.Sf3#
- 2.Rd5#
- 1...cxd4
- 2.Qe1#
- 1...Bf1
- 2.Rd5#
- 1...Bg2
- 2.Sc4#
- 1...Bg4
- 2.Sc4#
- 2.Rd5#
- 1...Sg5
- 2.Sc4#
- 2.Rd5#
- 1...c4
- 2.Rd5#
- 2.Qe1#
- 1...d5
- 2.Rxd5#
- 2.Qe1#
- 1...Qxg7+!
- threat
- 1.Qxa1?
- threat
- 2.Rd3#
- 2.Ra4#
- 2.Rb4#
- 2.Rc4#
- 2.Rdf4#
- 2.Rg4#
- 2.Rh4#
- 2.Rd5#
- 2.Rxd6#
- 1...Rxf6
- 2.Rxd6#
- 2.Qe1#
- 1...Bxf5
- 2.Rd3#
- 2.Ra4#
- 2.Rb4#
- 2.Rc4#
- 2.Rdf4#
- 2.Rg4#
- 2.Rh4#
- 2.Rd5#
- 1...cxd4
- 2.Qxd4#
- 1...Ra7
- 2.Ra4#
- 2.Rd5#
- 1...Rb7
- 2.Rb4#
- 2.Rd5#
- 1...Bg2
- 2.Rd3#
- 2.Rxd6#
- 1...Bg4
- 2.Rd3#
- 2.Ra4#
- 2.Rb4#
- 2.Rc4#
- 2.Rdf4#
- 2.Rxg4#
- 2.Rd5#
- 2.Rxd6#
- 1...c4
- 2.Rxc4#
- 2.Rd5#
- 1...d5
- 2.Re4#
- 2.Rxd5#
- 1...Kxf6!
- threat
- 1.Sxe7?
- Keys
- 1.Sh4!
- threat
- 2.Rd5#
- 1...Kxd4
- 2.Qxa1#
- 1...Rxf6
- 2.Re2#
- 1...Bxd4
- 2.Sc4#
- 1...Sxf6
- 2.Sdf3#
- 1...cxd4
- 2.Qe1#
- 1...Bf5
- 2.Rxf5#
- 1...d5
- 2.Rxd5#
- 1...Bg2
- 2.Rf5#
- threat
- 1.Sh4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- R(f);SBLOCK,XP(I)::QAR(A)
- S(j);SBLOCK,XP(I)::S(D)
- Tries
- Try
- S(H);XQ(h)
- Threat
- DUALS(2)
- Vars
- K(d);OGATEB,S_FLIGHT,XR(G)::QAB(A),XB(a)
- R(g);XS(H)::R1(G)
- B(a);SBLOCK,XR(G)::S(D)
- S(j);SBLOCK,XP(I)::S(D)
- P(c);SBLOCK,XR(G)::QAR(A)
- B(b);N_GUARD::R1(E),XB(b)
- P(e);::R1(G),XP(e)
- B(b);N_GUARD::R1(E)
- S(j);::R1(G)
- Refutation
- R(f);XS(H)
- Try
- S(H);XP(i)
- Threat
- R1(G)
- Vars
- K(d);OGATEB,S_FLIGHT,XR(G)::QAB(A),XB(a)
- B(a);SBLOCK,XR(G)::S(D)
- S(j);SBLOCK,XP(I)::S(D)
- P(c);SBLOCK,XR(G)::QAR(A)
- B(b);N_GUARD::R1(E),XB(b)
- P(e);::R1(G),XP(e)
- B(b);N_GUARD::R1(E)
- Refutation
- Q(h);CHECK,XS(H)
- Try
- B(J);
- Threat
- DUALS(3)
- Vars
- R(f);XP(I)::QAR(A)
- B(a);XR(G)::S(D)
- S(j);XP(I)::S(D)
- P(c);XR(G)::QAR(A)
- B(b);::R1(G)
- B(b);::S(D)
- Refutation
- S(j);XB(J)
- Try
- B(J);XP(i)
- Threat
- DUALS(3)
- Vars
- R(f);P_SPINR(f),XP(I)::QAR(A)
- B(a);XR(G)::S(D)
- P(c);XR(G)::QAR(A)
- B(b);::R1(G)
- B(b);::S(D)
- Refutation
- Q(h);CHECK,XB(J)
- Try
- Q(A);XB(a)
- Threat
- DUALS(9)
- Vars
- P(c);OGATE,P_SPINP(c),XR(G)::QAB1(A),XP(c)
- Refutation
- K(d);S_FLIGHT,XP(I)
- Try
- Actual
- S(H);
- Threat
- R1(G)
- Vars
- K(d);OGATEB,S_FLIGHT,XR(G)::QAB(A),XB(a)
- R(f);SBLOCK,XP(I)::R(E)
- B(a);SBLOCK,XR(G)::S(D)
- S(j);SBLOCK,XP(I)::S(D)
- P(c);SBLOCK,XR(G)::QAR(A)
- B(b);N_GUARD::R1(E),XB(b)
- P(e);::R1(G),XP(e)
- B(b);N_GUARD::R1(E)
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