MESON Chess Problem Database

Problem Display
PID: 76207 (2K5/8/6P1/3kN3/4N3/8/2P2QP1/8 w - - 0 1)

Lupton, James Money-Kyrle

The Tablet, 1926

(First published on Sat Sep 18 1926)

2K5/8/6P1/3kN3/4N3/8/2P2QP1/8

#2

7 + 1

5454 Near Snap 2011

SOLUTION

  • SOUND
  • Tries
    • 1.Sd3?
      • 1...Kc4
        • 2.Qc5#
      • 1...Kc6
        • 2.Qc5#
      • 1...Ke6
        • 2.Qf7#
      • 1...Kxe4!
    • 1.Sc4?
      • 1...Kxc4
        • 2.Qc5#
      • 1...Kc6
        • 2.Qc5#
      • 1...Ke6
        • 2.Qf7#
      • 1...Kxe4!
    • 1.Sg4?
      • 1...Kc4
        • 2.Qc5#
      • 1...Kc6
        • 2.Qc5#
      • 1...Ke6
        • 2.Qf7#
      • 1...Kxe4!
    • 1.Sd7?
      • 1...Kc4
        • 2.Qc5#
      • 1...Kc6
        • 2.Qc5#
      • 1...Ke6
        • 2.Qf7#
      • 1...Kxe4!
  • Keys
    • 1.Sc6!
      • 1...Kc4
        • 2.Qc5#
      • 1...Kxe4
        • 2.Qf3#
      • 1...Kxc6
        • 2.Qc5#
      • 1...Ke6
        • 2.Qf7#

Anticipated by 76028(1925)

This anticipates 79523(1940), 79229(1990), 7995(1995)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
        • K(a);S_FLIGHT::QAB1(B)
      • Refutation
        • K(a);S_FLIGHT,XS(D)
    • Try
      • S(E);
      • Vars
        • K(a);S_FLIGHT,XS(E)::QAR1(B)
        • K(a);S_FLIGHT::QAR1(B)
        • K(a);S_FLIGHT::QAB1(B)
      • Refutation
        • K(a);S_FLIGHT,XS(D)
    • Try
      • S(E);
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
        • K(a);S_FLIGHT::QAB1(B)
      • Refutation
        • K(a);S_FLIGHT,XS(D)
    • Try
      • S(E);
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
        • K(a);S_FLIGHT::QAB1(B)
      • Refutation
        • K(a);S_FLIGHT,XS(D)
  • Actual
    • S(E);
    • Vars
      • K(a);S_FLIGHT::QAR1(B)
      • K(a);OGATEB,S_FLIGHT,XS(D)::QAB1(B)
      • K(a);S_FLIGHT,XS(E)::QAR1(B)
      • K(a);S_FLIGHT::QAB1(B)
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