MESON Chess Problem Database

Problem Display
PID: 77844 (kb6/1Rp5/2K5/1P1B4/8/8/8/8 w - - 0 1)

Lunn, Peter

The Tablet, 1953

(First published on Sat Sep 19 1953)

kb6/1Rp5/2K5/1P1B4/8/8/8/8

#2

4 + 3

15239 Valois Notebooks 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Ra7+?
      • 1...Bxa7
        • 2.Kxc7#
      • 1...Kxa7!
  • Keys
    • 1.Rb6!
      • 1...Ka7
        • 2.Ra6#
      • 1...cxb6
        • 2.Kxb6#
      • 1...Ba7
        • 2.Kxc7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);CHECK
      • Vars
        • B(c);SBLOCK,XR(D)::B(B)+K(C),XP(a)
      • Refutation
        • K(b);P-FLIGHT,XR(D)
  • Actual
    • R(D);
    • Vars
      • K(b);P-FLIGHT::R1(D)
      • P(a);XR(D)::B(B)+K(C),XP(a)
      • B(c);SBLOCK::B(B)+K(C),XP(a)
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