MESON Chess Problem Database

Problem Display
PID: 77334 (6R1/5PK1/5p2/4Nk1p/4RP2/4P3/8/7Q w - - 0 1)

Davey, David Murray

The Tablet, 1950

(First published on Sat Nov 25 1950)

6R1/5PK1/5p2/4Nk1p/4RP2/4P3/8/7Q

#2

8 + 3

15239 Valois Notebooks 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Sd3?
      • 1...Kg4
        • 2.Kxf6#
      • 1...h4!
    • 1.Sc4?
      • 1...Kg4
        • 2.Kxf6#
      • 1...h4!
    • 1.Sc6?
      • 1...Kg4
        • 2.Kxf6#
      • 1...h4!
    • 1.Sd7?
      • 1...Kg4
        • 2.Kxf6#
      • 1...h4!
    • 1.Qd1?
      • 1...Kxe4
        • 2.Qd3#
      • 1...Ke6
        • 2.Qd7#
      • 1...fxe5
        • 2.Rxe5#
      • 1...h4!
  • Keys
    • 1.Sg4!
      • threat
        • 2.Sh6#
      • 1...Kxg4
        • 2.Kxf6#
      • 1...hxg4
        • 2.Qh7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);
      • Vars
        • K(a);S_FLIGHT::R(H)+K(G),XP(c)
      • Refutation
        • P(b);
    • Try
      • S(E);
      • Vars
        • K(a);S_FLIGHT::R(H)+K(G),XP(c)
      • Refutation
        • P(b);
    • Try
      • S(E);
      • Vars
        • K(a);S_FLIGHT::R(H)+K(G),XP(c)
      • Refutation
        • P(b);
    • Try
      • S(E);
      • Vars
        • K(a);S_FLIGHT::R(H)+K(G),XP(c)
      • Refutation
        • P(b);
    • Try
      • Q(A);
      • Vars
        • K(a);OGATEB,S_FLIGHT,XR(C)::QAB1(A)
        • K(a);S_FLIGHT::QAB1(A)
        • P(c);OGATE,XS(E)::R1(C),XP(c)
      • Refutation
        • P(b);
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • K(a);S_FLIGHT,XS(E)::R(H)+K(G),XP(c)
      • P(b);OGATE,SBLOCK,XS(E)::QAB(A)
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