MESON Chess Problem Database

Problem Display
PID: 76622 (8/5K2/4B3/5pp1/7k/6N1/8/6Q1 w - - 0 1)

Cafferata, Louis William

The Tablet, 1939

(First published on Sat Nov 18 1939)

8/5K2/4B3/5pp1/7k/6N1/8/6Q1

#2

4 + 3

15239 Valois Notebooks 2016

SOLUTION

  • SOUND
  • Sets
    • 1...f4
      • 2.Qh2#
  • Tries
    • 1.Sxf5+?
      • 1...Kh3
        • 2.Qg3#
      • 1...Kh5!
  • Keys
    • 1.Se4!
      • 1...Kh3
        • 2.Qg3#
      • 1...Kh5
        • 2.Qxg5#
      • 1...fxe4
        • 2.Qh2#
        • 2.Qg4#
      • 1...f4
        • 2.Qh2#
        • 2.Qh1#
        • 2.Qg4#
        • 2.Qxg5#
      • 1...g4
        • 2.Qh2#
        • 2.Qh1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • P(b);::QAR2(A)
  • Tries
    • Try
      • S(B);CHECK,XP(b)
      • Vars
        • K(a);P-FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • S(B);
    • Vars
      • K(a);P-FLIGHT,P_SPINP(b)::QAR1(A)
      • K(a);P-FLIGHT::QAR1(A),XP(c)
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