MESON Chess Problem Database

Problem Display
PID: 16399 (B7/Q7/5p2/5kbR/8/B7/2n4K/8 w - - 0 1)

Wenman, Francis Percival (aka Percy Wenman)

Fifty Two-Move Problems, 1940

B7/Q7/5p2/5kbR/8/B7/2n4K/8

#2

5 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Kg6
      • 2.Qh7#
  • Tries
    • 1.Qe7?
      • threat
        • 2.Qe4#
      • 1...Kf4
        • 2.Qe4#
      • 1...Kg6
        • 2.Qh7#
      • 1...Kg4!
  • Keys
    • 1.Qb7!
      • threat
        • 2.Qe4#
      • 1...Kf4
        • 2.Qe4#
      • 1...Kg4
        • 2.Qf3#
      • 1...Ke5
        • 2.Qe4#
      • 1...Ke6
        • 2.Qd5#
      • 1...Kg6
        • 2.Qh7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(b);N_SPINB(c),S_FLIGHT::QAB1(D)
  • Tries
    • Try
      • Q(D);
      • Threat
        • QAB1(D)
      • Vars
        • K(b);N_SPINB(c),P-FLIGHT::QAR1(D)
        • K(b);N_SPINB(c),S_FLIGHT::QAB1(D)
      • Refutation
        • K(b);N_SPINB(c),S_FLIGHT
  • Actual
    • Q(D);
    • Threat
      • QAB1(D)
    • Vars
      • K(b);N_SPINB(c),P-FLIGHT::QAR1(D)
      • K(b);N_SPINB(c),S_FLIGHT::QAB1(D)
      • K(b);P-FLIGHT::QAR1(D)
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