MESON Chess Problem Database

Problem Display
PID: 149163 (8/2Q5/8/8/k7/2K5/1P6/8 w - - 0 1)

Dehler, Ernst Georg

Deutsche Schachzeitung, 1925

8/2Q5/8/8/k7/2K5/1P6/8

#2

3 + 1

15148 Sadier Collection 2013

SOLUTION

  • SOUND
  • Tries
    • 1.b3+?
      • 1...Ka3
        • 2.Qa5#
        • 2.Qa7#
      • 1...Kb5!
    • 1.b4?
      • threat
        • 2.Qa5#
      • 1...Ka3
        • 2.Qa5#
        • 2.Qa7#
      • 1...Kb5!
  • Keys
    • 1.Qc6+!
      • 1...Ka5
        • 2.b4#

FEATURES

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