MESON Chess Problem Database

Problem Display
PID: 152524 (4RB2/P1PpP3/3k4/6P1/1N3P2/3K2N1/8/8 w - - 0 1)

Dawson, Thomas Rayner

British Chess Magazine, 1940

4RB2/P1PpP3/3k4/6P1/1N3P2/3K2N1/8/8

#2

10 + 2

15256 TRD Scrapbook 2014

SOLUTION

  • SOUND
  • Tries
    • 1.Rc8?
      • threat
        • 2.e8Q#
        • 2.e8R#
      • 1...Ke6
        • 2.e8Q#
      • 1...Kc5!
    • 1.a8Q?
      • 1...Ke6
        • 2.Qd5#
      • 1...Kxc7
        • 2.Qb8#
      • 1...Kc5!
  • Keys
    • 1.Rb8!
      • 1...Kc5
        • 2.Se4#
      • 1...Ke6
        • 2.e8Q#
      • 1...Kxc7
        • 2.e8S#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(I);
      • Threat
        • P=Q
      • Vars
        • K(a);P-FLIGHT::P=Q
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(F);
      • Vars
        • K(a);P-FLIGHT::QAB1(F)
        • K(a);OGATEB,S_FLIGHT,XP(G)::QAB1(F)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(I);
    • Vars
      • K(a);S_FLIGHT::S(B)
      • K(a);P-FLIGHT::P=Q
      • K(a);S_FLIGHT,XP(G)::P=S
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