MESON Chess Problem Database

Problem Display
PID: 232359 (6Q1/8/7p/8/8/4K2k/8/8 w - - 0 1)

Speckmann, Werner

Deutsche Schachzeitung, 1975

6Q1/8/7p/8/8/4K2k/8/8

#2

2 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Kf2?
      • threat
        • 2.Qg3#
      • 1...Kh2
        • 2.Qg2#
      • 1...Kh4!
    • 1.Kf4?
      • threat
        • 2.Qg3#
      • 1...Kh4
        • 2.Qg4#
      • 1...Kh2!
  • Keys
    • 1.Kf3!
      • threat
        • 2.Qg3#
      • 1...Kh2
        • 2.Qg2#
      • 1...Kh4
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(A);S_FLIGHT
      • Threat
        • QAR1(B)
      • Vars
        • K(a);P-FLIGHT::QAR1(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • K(A);S_FLIGHT
      • Threat
        • QAR1(B)
      • Vars
        • K(a);P-FLIGHT::QAR1(B)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • K(A);P-FLIGHT
    • Threat
      • QAR1(B)
    • Vars
      • K(a);P-FLIGHT::QAR1(B)
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