MESON Chess Problem Database

Problem Display
PID: 76543 (4Q3/8/7R/3p1Pp1/3P2k1/6N1/7P/5K2 w - - 0 1)

Cafferata, Louis William

The Tablet, 1935

(First published on Tue Apr 16 1935)

4Q3/8/7R/3p1Pp1/3P2k1/6N1/7P/5K2

#2

7 + 3

15239 Valois Notebooks 2016

SOLUTION

  • SOUND
  • Tries
    • 1.Se2?
      • 1...Kxf5
        • 2.Qe6#
      • 1...Kf3!
    • 1.Rh4+?
      • 1...Kf3
        • 2.Qe2#
      • 1...Kxh4
        • 2.Qh5#
      • 1...gxh4!
  • Keys
    • 1.Sh5!
      • 1...Kf3
        • 2.Qe2#
      • 1...Kh3
        • 2.Sf6#
      • 1...Kh4
        • 2.Sf6#
      • 1...Kxf5
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Vars
        • K(a);OGATEB,S_FLIGHT,XP(E)::QAB1(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(F);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB1(G)
        • K(a);P-FLIGHT,XR(F)::QAR1(G)
      • Refutation
        • P(c);XR(F)
  • Actual
    • S(C);
    • Vars
      • K(a);S_FLIGHT::QAB1(G)
      • K(a);S_FLIGHT::R(F)+S(C)
      • K(a);P-FLIGHT::R(F)+S(C)
      • K(a);OGATEB,S_FLIGHT,XP(E)::QAB1(G)
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