MESON Chess Problem Database

Problem Display
PID: 71002 (8/4r3/2qpN3/1nbNBPp1/4k1K1/4p2p/2P1B3/1Q4nr w - - 0 1)

Juricek, Stanislav

L'Italia Scacchistica, 2003

8/4r3/2qpN3/1nbNBPp1/4k1K1/4p2p/2P1B3/1Q4nr

#2

8 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...dxe5
      • 2.Sf6#
      • 2.c4#
  • Tries
    • 1.Bg7?
      • threat
        • 2.c4#
      • 1...Kxd5
        • 2.c4#
      • 1...Qxd5
        • 2.Sxg5#
      • 1...Sxe2
        • 2.Qxh1#
      • 1...Sf3
        • 2.Bxf3#
      • 1...Sa3
        • 2.Sc3#
      • 1...Sc3
        • 2.Sxc3#
      • 1...Sd4
        • 2.Sc3#
      • 1...Rxg7!
    • 1.Bh8?
      • threat
        • 2.c4#
      • 1...Kxd5
        • 2.c4#
      • 1...Qxd5
        • 2.Sxg5#
      • 1...Sxe2
        • 2.Qxh1#
      • 1...Sf3
        • 2.Bxf3#
      • 1...Sa3
        • 2.Sc3#
      • 1...Sc3
        • 2.Sxc3#
      • 1...Sd4
        • 2.Sc3#
      • 1...Rg7!
  • Keys
    • 1.Bf6!
      • threat
        • 2.c4#
      • 1...Kxd5
        • 2.c4#
      • 1...Qxd5
        • 2.Sxg5#
      • 1...Sxe2
        • 2.Qxh1#
      • 1...Sf3
        • 2.Bxf3#
      • 1...Sa3
        • 2.Sc3#
      • 1...Sc3
        • 2.Sxc3#
      • 1...Sd4
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(F);
      • Threat
        • QAB(A)+P(B)
      • Vars
        • K(e);S_FLIGHT,XS(E)::P(B)
        • Q(i);SBLOCK,XS(E)::S(H),XP(h)
        • S(a);OGATE,XB(C)::QAB(A),XR(b)
        • S(a);N_GUARD::B(C),XS(a)
        • S(f);N_GUARD::S(E)
        • S(f);N_GUARD::S(E),XS(f)
      • Refutation
        • R(k);XB(F)
    • Try
      • B(F);
      • Threat
        • QAB(A)+P(B)
      • Vars
        • K(e);S_FLIGHT,XS(E)::P(B)
        • Q(i);SBLOCK,XS(E)::S(H),XP(h)
        • S(a);OGATE,XB(C)::QAB(A),XR(b)
        • S(a);N_GUARD::B(C),XS(a)
        • S(f);N_GUARD::S(E)
        • S(f);N_GUARD::S(E),XS(f)
      • Refutation
        • R(k);
  • Actual
    • B(F);
    • Threat
      • QAB(A)+P(B)
    • Vars
      • K(e);S_FLIGHT,XS(E)::P(B)
      • Q(i);SBLOCK,XS(E)::S(H),XP(h)
      • S(a);OGATE,XB(C)::QAB(A),XR(b)
      • S(a);N_GUARD::B(C),XS(a)
      • S(f);N_GUARD::S(E)
      • S(f);N_GUARD::S(E),XS(f)
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