MESON Chess Problem Database

Problem Display
PID: 77402 (8/5Q2/4P1pb/3R2Pk/5P2/7K/8/8 w - - 0 1)

Davey, David Murray

The Tablet, 1951

(First published on Sat Oct 6 1951)

8/5Q2/4P1pb/3R2Pk/5P2/7K/8/8

#2

6 + 3

15239 Valois Notebooks 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Bxg5
      • 2.Qh7#
  • Tries
    • 1.Qf5?
      • threat
        • 2.Qg4#
      • 1...Bxg5
        • 2.Qxg5#
      • 1...gxf5!
    • 1.Qg7?
      • threat
        • 2.Qxh6#
      • 1...Bxg5
        • 2.Rxg5#
        • 2.Qh8#
        • 2.Qh7#
      • 1...Bxg7!
  • Keys
    • 1.f5!
      • threat
        • 2.Qxg6#
      • 1...Kxg5
        • 2.fxg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • B(c);OGATEB,P_SPINB(c),XP(D)::QAR2(F)
  • Tries
    • Try
      • Q(F);N_PINP(b)
      • Threat
        • QAB1(F)
      • Vars
        • B(c);OGATE,P_SPINB(c),XP(D)::QAR1(F),XB(c)
      • Refutation
        • P(b);XQ(F)
    • Try
      • Q(F);N_PINP(b)
      • Threat
        • QAR1(F),XB(c)
      • Refutation
        • B(c);XQ(F)
  • Actual
    • P(B);
    • Threat
      • QAB1(F),XP(b)
    • Vars
      • K(a);N_SPINP(b),P-FLIGHT,XP(D)::R(C)+P(B),XP(b)
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