MESON Chess Problem Database

Problem Display
PID: 77333 (6B1/7Q/8/1P2k3/NK5P/8/5P1N/8 w - - 0 1)

Davey, David Murray

The Tablet, 1950

(First published on Sat Oct 28 1950)

6B1/7Q/8/1P2k3/NK5P/8/5P1N/8

#2

8 + 1

15239 Valois Notebooks 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Sf3#
    • 1...Kf6
      • 2.Sg4#
  • Tries
    • 1.Kc5?
      • 1...Kf6
        • 2.Sg4#
      • 1...Kf4!
    • 1.Sc3?
      • 1...Kd4
        • 2.Sf3#
        • 2.Qe4#
      • 1...Kf4
        • 2.Qe4#
      • 1...Kf6
        • 2.Sg4#
      • 1...Kd6!
    • 1.Sc5?
      • 1...Kd4
        • 2.Sf3#
        • 2.Qe4#
        • 2.Qg7#
        • 2.Qh8#
      • 1...Kf4
        • 2.Sd3#
        • 2.Qe4#
      • 1...Kf6
        • 2.Sg4#
        • 2.Sd7#
      • 1...Kd6!
    • 1.Sb6?
      • 1...Kd4
        • 2.Sf3#
      • 1...Kd6
        • 2.Sc4#
      • 1...Kf6
        • 2.Sg4#
        • 2.Sd7#
      • 1...Kf4!
    • 1.Qg6?
      • 1...Kd4
        • 2.Sf3#
      • 1...Kf4!
    • 1.b6?
      • 1...Kd4
        • 2.Sf3#
      • 1...Kd6
        • 2.Qc7#
      • 1...Kf6
        • 2.Sg4#
      • 1...Kf4!
  • Keys
    • 1.Sb2!
      • 1...Kd4
        • 2.Sf3#
      • 1...Kf4
        • 2.Sd3#
      • 1...Kd6
        • 2.Sc4#
      • 1...Kf6
        • 2.Sg4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::S(B)
  • Tries
    • Try
      • K(D);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::S(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Vars
        • K(a);S_FLIGHT::QAR1(G)
        • K(a);S_FLIGHT::S(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Vars
        • K(a);S_FLIGHT::S(B)
        • K(a);S_FLIGHT::S(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(G);
      • Vars
        • K(a);S_FLIGHT::S(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(F);
      • Vars
        • K(a);S_FLIGHT::S(B)
        • K(a);S_FLIGHT::QAB1(G)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(C);
    • Vars
      • K(a);S_FLIGHT::S(B)
      • K(a);S_FLIGHT::S(C)
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