MESON Chess Problem Database

Problem Display
PID: 76630 (8/4p2p/4K3/7p/5p1k/8/5PQ1/7N w - - 0 1)

Cafferata, Louis William

The Tablet, 1940

(First published on Sat Aug 24 1940)

8/4p2p/4K3/7p/5p1k/8/5PQ1/7N

#2

4 + 5

15239 Valois Notebooks 2016

SOLUTION

  • SOUND
  • Sets
    • 1...f3
      • 2.Qg3#
  • Tries
    • 1.Kxe7?
      • 1...f3
        • 2.Qg3#
      • 1...h6!
  • Keys
    • 1.Sg3!
      • threat
        • 2.Sf5#
      • 1...Kg4
        • 2.Sf5#
      • 1...Kg5
        • 2.Sf5#
      • 1...fxg3
        • 2.Qxg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • P(a);N_GUARD::QAB1(C)
  • Tries
    • Try
      • K(D);P-FLIGHT,XP(d)
      • Vars
        • P(a);N_GUARD::QAB1(C)
      • Refutation
        • P(e);
  • Actual
    • S(A);
    • Threat
      • S(A)
    • Vars
      • K(b);P-FLIGHT::QAR(C)+S(A)
      • K(b);S_FLIGHT::QAR(C)+S(A)
      • P(a);OGATE,XS(A)::QAB1(C),XP(a)
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