MESON Chess Problem Database

Problem Display
PID: 47853 (5Q2/b1pK2n1/2N1p3/pr1k3r/1p1p4/1P1B4/6b1/2R3n1 w - - 0 1)

Chepizhni, Viktor Ivanovich

3rd Prize, Pilchenko-50 JT (Uralski Problemist), 2002

5Q2/b1pK2n1/2N1p3/pr1k3r/1p1p4/1P1B4/6b1/2R3n1

#2

6 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Rb6
      • 2.Rc5#
      • 2.Qc5#
    • 1...Re5
      • 2.Se7#
    • 1...Be4
      • 2.Bc4#
    • 1...e5
      • 2.Se7#
  • Tries
    • 1.Re1?
      • threat
        • 2.Bc4#
      • 1...Rc5
        • 2.Se7#
      • 1...Bf1
        • 2.Be4#
      • 1...Se2!
    • 1.Qf6?
      • threat
        • 2.Se7#
      • 1...Sf5
        • 2.Qe5#
        • 2.Qxe6#
      • 1...Bc5!
  • Keys
    • 1.Qf4!
      • threat
        • 2.Se7#
      • 1...Bc5
        • 2.Bc4#
      • 1...Sf5
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • R(h);SBLOCK::S(D)
    • B(b);SBLOCK::B(C)
    • P(i);SBLOCK::S(D)
  • Tries
    • Try
      • R(A);
      • Threat
        • B(C)
      • Vars
        • R(f);SBLOCK::S(D)
        • B(b);N_GUARD::B(C)
      • Refutation
        • S(a);
    • Try
      • Q(F);
      • Threat
        • S(D)
      • Refutation
        • B(j);
  • Actual
    • Q(F);
    • Threat
      • S(D)
    • Vars
      • B(j);SBLOCK::B(C)
      • S(l);S_CUTR(h)::QAR1(F)
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