MESON Chess Problem Database

Problem Display
PID: 7824 (8/6K1/6B1/8/6k1/3P2p1/8/2B3Q1 w - - 0 1)

Whitehead, Cyril

Australian Chess Problem Magazine, 1994

8/6K1/6B1/8/6k1/3P2p1/8/2B3Q1

#2

5 + 2

2838 Fun with Chess Miniatures 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Kf3
      • 2.Bh5#
  • Tries
    • 1.Bf5+?
      • 1...Kf3
        • 2.Qf1#
      • 1...Kh4
        • 2.Qh1#
      • 1...Kh5
        • 2.Qh1#
      • 1...Kxf5!
    • 1.Qd1+?
      • 1...Kh4
        • 2.Qh5#
      • 1...Kh3!
  • Keys
    • 1.Bg5!
      • 1...Kf3
        • 2.Bh5#
      • 1...Kh3
        • 2.Bf5#
      • 1...Kxg5
        • 2.Qxg3#
      • 1...g2
        • 2.Qxg2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(b);N_SPINP(a),S_FLIGHT::B(D)
  • Tries
    • Try
      • B(D);CHECK
      • Vars
        • K(b);N_SPINP(a),S_FLIGHT::QAR2(B)
        • K(b);N_SPINP(a),P-FLIGHT::QAR(B)
        • K(b);N_SPINP(a),S_FLIGHT::QAR(B)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT,XB(D)
    • Try
      • Q(B);CHECK,N_PINP(a)
      • Vars
        • K(b);OGATE,P-FLIGHT::QAR1(B)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • B(A);
    • Vars
      • K(b);N_SPINP(a),S_FLIGHT::B(D)
      • K(b);P-FLIGHT,XB(A)::QAR2(B),XP(a)
      • P(a);OGATEB::QAR2(B),XP(a)
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