MESON Chess Problem Database

Problem Display
PID: 76624 (6B1/6K1/6P1/8/6kp/7N/4R2P/8 w - - 0 1)

Cafferata, Louis William

The Tablet, 1939

(First published on Sat Dec 23 1939)

6B1/6K1/6P1/8/6kp/7N/4R2P/8

#2

6 + 2

15239 Valois Notebooks 2016
5454 Near Snap 2026

SOLUTION

  • SOUND
  • Sets
    • 1...Kxh3
      • 2.Be6#
    • 1...Kf5
      • 2.Be6#
  • Tries
    • 1.Be6+?
      • 1...Kh5
        • 2.Re5#
      • 1...Kf3!
    • 1.Rf2?
      • 1...Kxh3
        • 2.Be6#
      • 1...Kh5!
    • 1.Re3?
      • 1...Kf5
        • 2.Be6#
      • 1...Kh5!
  • Keys
    • 1.Bd5!
      • 1...Kxh3
        • 2.Be6#
      • 1...Kf5
        • 2.Be6#
      • 1...Kh5
        • 2.Bf3#

This anticipates 86907(1990)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT,XS(C)::B(F)
    • K(a);S_FLIGHT::B(F)
  • Tries
    • Try
      • B(F);CHECK
      • Vars
        • K(a);S_FLIGHT::R(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(A);
      • Vars
        • K(a);S_FLIGHT,XS(C)::B(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(A);
      • Vars
        • K(a);S_FLIGHT::B(F)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(F);
    • Vars
      • K(a);S_FLIGHT,XS(C)::B(F)
      • K(a);S_FLIGHT::B(F)
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