MESON Chess Problem Database

Problem Display
PID: 76750 (1KbB4/8/kp6/1R1B4/8/8/8/8 w - - 0 1)

Butwillo, Brother

The Tablet, 1945

(First published on Sat Jan 27 1945)

1KbB4/8/kp6/1R1B4/8/8/8/8

#2

4 + 3

15239 Valois Notebooks 2016

SOLUTION

  • SOUND
  • Tries
    • 1.Ra5+?
      • 1...bxa5
        • 2.Bc4#
      • 1...Kxa5!
  • Keys
    • 1.Rc5!
      • 1...bxc5
        • 2.Bc4#
      • 1...Bh3
        • 2.Bb7#
      • 1...Bg4
        • 2.Bb7#
      • 1...Bf5
        • 2.Bb7#
      • 1...Be6
        • 2.Bb7#
      • 1...Bb7
        • 2.Bxb7#
      • 1...Bd7
        • 2.Bb7#
      • 1...b5
        • 2.Rc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(A);CHECK
      • Vars
        • P(b);XR(A)::B(B)
      • Refutation
        • K(a);P-FLIGHT,P_SPINP(b),XR(A)
  • Actual
    • R(A);
    • Vars
      • P(b);N_GUARD,XR(A)::B(B)
      • B(c);N_GUARD::B(B)
      • B(c);N_GUARD::B(B),XB(c)
      • P(b);OGATEB,SBLOCK::R(A)
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