MESON Chess Problem Database

Problem Display
PID: 148692 (Q7/K2p4/2rpp3/2pk4/2p5/2B2P2/8/8 w - - 0 1)

Dawson, Thomas Rayner

Cheltenham Examiner, 1919

(First published on Thu Nov 27 1919)

Q7/K2p4/2rpp3/2pk4/2p5/2B2P2/8/8

#2

4 + 7

15256 TRD Scrapbook 2013

SOLUTION

  • SOUND
  • Sets
    • 1...e5
      • 2.Qg8#
  • Tries
    • 1.Ba1?
      • 1...e5
        • 2.Qg8#
      • 1...c3!
    • 1.Bb2?
      • 1...e5
        • 2.Qg8#
      • 1...c3!
  • Keys
    • 1.Kb7!
      • 1...Rb6+
        • 2.Kxb6#
      • 1...Rc7+
        • 2.Kxc7#
      • 1...e5
        • 2.Qg8#
      • 1...Ra6
        • 2.Kxa6#
      • 1...Rc8
        • 2.Kxc8#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • P(f);OGATEB::QAB(D)
  • Tries
    • Try
      • B(A);
      • Vars
        • P(f);OGATEB::QAB(D)
      • Refutation
        • P(a);
    • Try
      • B(A);
      • Vars
        • P(f);OGATEB::QAB(D)
      • Refutation
        • P(a);
  • Actual
    • K(C);N_PINR(d),P-FLIGHT
    • Vars
      • R(d);CHECK::QAB(D)+K(C),XR(d)
      • P(f);OGATEB::QAB(D)
      • R(d);::QAB(D)+K(C),XR(d)
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