MESON Chess Problem Database

Problem Display
PID: 163850 (4K3/6p1/5k2/3P4/4p1Q1/6B1/8/8 w - - 0 1)

Kuligin, Nikolai Volodimirovich

Zadachi i Etyudi, 2014

4K3/6p1/5k2/3P4/4p1Q1/6B1/8/8

#2

4 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Kf8?
      • 1...g5
        • 2.Qe6#
      • 1...g6
        • 2.Qf4#
      • 1...e3!
    • 1.Bf4?
      • threat
        • 2.Qe6#
        • 2.Qg5#
      • 1...g5
        • 2.Qxg5#
      • 1...g6!
    • 1.Bh4+?
      • 1...g5
        • 2.Qxg5#
      • 1...Ke5!
    • 1.Qxe4?
      • 1...g6
        • 2.Qe5#
      • 1...g5
        • 2.Be5#
      • 1...Kg5!
  • Keys
    • 1.Qh5!
      • threat
        • 2.Be5#
      • 1...g5
        • 2.Qf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Vars
        • P(c);SBLOCK::QAR1(B)
        • P(c);SBLOCK::QAR2(B)
      • Refutation
        • P(a);
    • Try
      • B(A);
      • Threat
        • DUALS(2)
      • Vars
        • P(c);::QAB1(B),XP(c)
      • Refutation
        • P(c);
    • Try
      • B(A);CHECK
      • Vars
        • P(c);P_SPINP(c)::QAB1(B),XP(c)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(B);XP(a)
      • Vars
        • P(c);SBLOCK::QAB1(B)
        • P(c);SBLOCK::B(A)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(B);
    • Threat
      • B(A)
    • Vars
      • P(c);SBLOCK::QAR1(B)
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