MESON Chess Problem Database

Problem Display
PID: 77126 (2K5/p1p5/2R1Q3/Pk6/1P6/B7/8/8 w - - 0 1)

Davey, David Murray

The Tablet, 1948

(First published on Sat Nov 20 1948)

2K5/p1p5/2R1Q3/Pk6/1P6/B7/8/8

#2

6 + 3

15239 Valois Notebooks 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Rc3?
      • threat
        • 2.Qc6#
      • 1...Ka4
        • 2.Qc6#
      • 1...c6
        • 2.Qxc6#
      • 1...c5!
    • 1.Qf5+?
      • 1...Kxc6
        • 2.Qd7#
        • 2.Qc5#
        • 2.b5#
      • 1...Ka4!
    • 1.Qd7?
      • 1...a6
        • 2.Rc5#
        • 2.Rxc7#
      • 1...Ka4!
    • 1.Qe5+?
      • 1...Kxc6
        • 2.Qc5#
        • 2.b5#
      • 1...Ka4!
    • 1.Qe8?
      • 1...a6
        • 2.Rc5#
        • 2.Rxc7#
      • 1...Ka4!
  • Keys
    • 1.Qb3!
      • 1...Kxc6
        • 2.b5#
      • 1...a6
        • 2.Rc5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);
      • Threat
        • QAB1(E)
      • Vars
        • K(a);S_FLIGHT::QAB(E)
        • P(c);::QAB1(E),XP(c)
      • Refutation
        • P(c);
    • Try
      • Q(E);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(E);
    • Vars
      • K(a);OGATE,S_FLIGHT,XR(D)::P(B)
      • P(b);SBLOCK::R1(D)
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