MESON Chess Problem Database

Problem Display
PID: 161473 (4K3/4p1p1/5k2/4p3/6Q1/8/8/B7 w - - 0 1)

Andreev, Aleksandr Grigorevich

Bankovskaya gazeta, 1996

4K3/4p1p1/5k2/4p3/6Q1/8/8/B7

#2

3 + 4

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Qf4+?
      • 1...Ke6
        • 2.Qxe5#
      • 1...Kg6!
    • 1.Qg5+?
      • 1...Ke6
        • 2.Qxe5#
      • 1...Kxg5!
  • Keys
    • 1.Qh5!
      • 1...Ke6
        • 2.Qxe5#
      • 1...g5
        • 2.Qf7#
      • 1...g6
        • 2.Qxe5#
      • 1...e6
        • 2.Bxe5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(b);N_SPINP(a),P-FLIGHT::QAR1(B),XP(a)
      • Refutation
        • K(b);N_SPINP(a),P-FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(b);N_SPINP(a),P-FLIGHT::QAR1(B),XP(a)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT,XQ(B)
  • Actual
    • Q(B);
    • Vars
      • K(b);N_SPINP(a),P-FLIGHT::QAR1(B),XP(a)
      • P(d);SBLOCK::QAR1(B)
      • P(d);SBLOCK::QAB1(B),XP(a)
      • P(c);SBLOCK::B(A),XP(a)
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