MESON Chess Problem Database

Problem Display
PID: 15988 (3N3K/3n2pp/Q6q/1p1rP3/1p1k1pP1/3B4/2RNRPp1/3r2B1 w - - 0 1)

Mosiashvili, Givi

Die Schwalbe, 2000

3N3K/3n2pp/Q6q/1p1rP3/1p1k1pP1/3B4/2RNRPp1/3r2B1

#2

11 + 11

SOLUTION

  • SOUND
  • Tries
    • 1.Bc4?
      • threat
        • 2.Sb3#
      • 1...Kc5
        • 2.Sb3#
      • 1...Rxd2
        • 2.f3#
      • 1...bxc4
        • 2.Qxc4#
      • 1...Qh3
        • 2.Se6#
      • 1...Sc5
        • 2.Sf3#
      • 1...b3
        • 2.Sxb3#
      • 1...Rb1!
    • 1.Rc4+?
      • 1...bxc4
        • 2.Qxc4#
      • 1...Kxd3!
  • Keys
    • 1.Be4!
      • threat
        • 2.Sf3#
      • 1...Kxe5
        • 2.Sf3#
      • 1...Rxd2
        • 2.Qa1#
      • 1...Sxe5
        • 2.Sb3#
      • 1...Qh3
        • 2.Sc6#
      • 1...f3
        • 2.Sxf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(F);
      • Threat
        • S(C)
      • Vars
        • K(d);S_FLIGHT::S(C)
        • R(a);N_GUARD,XS(C)::B(A)+P(E)
        • P(f);OGATE,XB(F)::QAR1(I),XP(f)
        • Q(h);N_GUARD::S(J)
        • S(i);SBLOCK::S(C)
        • P(c);::S(C),XP(c)
      • Refutation
        • R(a);
    • Try
      • R(B);CHECK
      • Vars
        • P(f);OGATE,XR(B)::QAR1(I),XP(f)
      • Refutation
        • K(d);P-FLIGHT,XB(F)
  • Actual
    • B(F);
    • Threat
      • S(C)
    • Vars
      • K(d);S_FLIGHT,XP(H)::S(C)
      • R(a);N_GUARD,XS(C)::QAB(I)
      • S(i);SBLOCK,XP(H)::S(C)
      • Q(h);N_GUARD::S(J)
      • P(e);::S(C),XP(e)
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