MESON Chess Problem Database

Problem Display
PID: 132674 (8/7N/1K1pk3/4pN2/8/5P1B/3Q4/8 w - - 0 1)

Sumner, Christopher Richard Benson

The Field, 1958

(First published on Thu Jan 2 1958)

8/7N/1K1pk3/4pN2/8/5P1B/3Q4/8

#2

6 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Kc6?
      • threat
        • 2.Qd5#
      • 1...d5
        • 2.Qxd5#
      • 1...Kf7!
  • Keys
    • 1.Qg5!
      • 1...Kd5
        • 2.Qg8#
      • 1...Kd7
        • 2.Sg7#
      • 1...Kf7
        • 2.Sxd6#
      • 1...e4
        • 2.Sh6#
      • 1...d5
        • 2.Qe7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(E);P-FLIGHT
      • Threat
        • QAB1(A)
      • Vars
        • P(b);::QAB1(A),XP(b)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(c);S_FLIGHT::QAB(A)
      • K(c);S_FLIGHT::B(C)+S(D)
      • K(c);S_FLIGHT::S(D),XP(b)
      • P(a);::B(C)+S(D)
      • P(b);SBLOCK::QAR1(A)
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