MESON Chess Problem Database

Problem Display
PID: 149365 (7K/2P2k2/3Q4/8/8/8/8/8 w - - 0 1)

Dehler, Ernst Georg

Deutsche Schachzeitung, 1923

7K/2P2k2/3Q4/8/8/8/8/8

#2

3 + 1

5454 Near Snap 2014
15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Tries
    • 1.Qe6+?
      • 1...Kf8
        • 2.c8Q#
        • 2.c8R#
      • 1...Kxe6!
    • 1.Qf6+?
      • 1...Ke8
        • 2.c8Q#
      • 1...Kxf6!
  • Keys
    • 1.c8S!
      • 1...Ke8
        • 2.Qe7#

This anticipates 90260(1963)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);P-FLIGHT::P=Q
      • Refutation
        • K(a);S_FLIGHT,XQ(A)
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::P=Q
      • Refutation
        • K(a);P-FLIGHT,XQ(A)
  • Actual
    • P(B);
    • Vars
      • K(a);S_FLIGHT::QAR1(A)
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