MESON Chess Problem Database

Problem Display
PID: 76541 (7Q/8/5K2/5p2/5k1p/5b2/4BP2/8 w - - 0 1)

Cafferata, Louis William

The Tablet, 1935

(First published on Sat Feb 16 1935)

7Q/8/5K2/5p2/5k1p/5b2/4BP2/8

#2

4 + 4

15239 Valois Notebooks 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Bh1
      • 2.Qxh4#
    • 1...Bg2
      • 2.Qxh4#
    • 1...Be4
      • 2.Qxh4#
      • 2.Qh6#
      • 2.Qb8#
    • 1...Bd5
      • 2.Qxh4#
    • 1...Bc6
      • 2.Qxh4#
    • 1...Bb7
      • 2.Qxh4#
    • 1...Ba8
      • 2.Qxh4#
  • Tries
    • 1.Qb8+?
      • 1...Ke4
        • 2.Qe5#
      • 1...Kg4!
  • Keys
    • 1.Qc8!
      • threat
        • 2.Qxf5#
      • 1...Ke4
        • 2.Qc4#
      • 1...Kg4
        • 2.Qxf5#
      • 1...Bg4
        • 2.Qc4#
      • 1...Be4
        • 2.Qc1#
        • 2.Qc7#
        • 2.Qb8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • B(a);N_GUARD::QAR2(D),XP(c)
  • Tries
    • Try
      • Q(D);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR1(D)
      • Refutation
        • K(b);P-FLIGHT,P_SPINB(a)
  • Actual
    • Q(D);
    • Threat
      • QAR1(D),XP(d)
    • Vars
      • K(b);P-FLIGHT::QAR2(D)
      • K(b);P-FLIGHT,P_SPINB(a),P_SPINP(d)::QAB1(D),XP(d)
      • B(a);N_GUARD::QAR(D)
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