MESON Chess Problem Database

Problem Display
PID: 142014 (8/B7/8/4p1Q1/B7/6pr/1p2p3/4k1Kb w - - 0 1)

Chepizhni, Viktor Ivanovich

HM., Chervoni Girnik, 1992-1993

8/B7/8/4p1Q1/B7/6pr/1p2p3/4k1Kb

#2

4 + 7

6167 Viktor Chepizhny 2007

SOLUTION

  • SOUND
  • Sets
    • 1...b1S
      • 2.Qc1#
    • 1...b1B
      • 2.Qc1#
    • 1...g2
      • 2.Bf2#
    • 1...e4
      • 2.Qa5#
  • Tries
    • 1.Qe3?
      • threat
        • 2.Qc3#
      • 1...b1S
        • 2.Qc1#
      • 1...g2!
  • Keys
    • 1.Bd4!
      • threat
        • 2.Bc3#
      • 1...exd4
        • 2.Qa5#
      • 1...b1S
        • 2.Qc1#
      • 1...g2
        • 2.Bf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • P(c);N_GUARD::QAR2(C)
    • P(e);N_GUARD::B(D)
    • P(g);OGATE::QAB(C)
  • Tries
    • Try
      • Q(C);P_PINP(d)
      • Threat
        • QAB(C)
      • Vars
        • P(c);N_GUARD::QAR2(C)
      • Refutation
        • P(e);
  • Actual
    • B(D);
    • Threat
      • B(D)
    • Vars
      • P(g);OGATE,XB(D)::QAB(C)
      • P(c);N_GUARD::QAR2(C)
      • P(e);N_GUARD::B(D)
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