MESON Chess Problem Database

Problem Display
PID: 147204 (k1b5/ppP5/1R6/8/8/8/8/2Q4K w - - 0 1)

Dawson, Thomas Rayner

Yorkshire Weekly Post, 1907

(First published on Sat Dec 7 1907)

k1b5/ppP5/1R6/8/8/8/8/2Q4K

#2

4 + 4

15256 TRD Scrapbook 2013

SOLUTION

  • SOUND
  • Sets
    • 1...axb6
      • 2.Qa3#
      • 2.Qa1#
  • Keys
    • 1.Qc6!
      • 1...axb6
        • 2.Qa4#
      • 1...bxc6
        • 2.Rb8#
      • 1...a5
        • 2.Ra6#
      • 1...a6
        • 2.Rxa6#
      • 1...Bh3
        • 2.Qxb7#
      • 1...Bg4
        • 2.Qxb7#
      • 1...Bf5
        • 2.Qxb7#
      • 1...Be6
        • 2.Qxb7#
      • 1...Bd7
        • 2.Qxb7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(A);P_PINP(b)
    • Vars
      • P(a);OGATEB,XR(C)::QAR(A)
      • P(b);N_SPINP(b),OGATE,XQ(A)::R1(C)
      • P(a);OGATEB::R(C)
      • P(a);OGATEB::R(C),XP(a)
      • B(d);N_GUARD::QAB1(A),XP(b)
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