MESON Chess Problem Database

Problem Display
PID: 201777 (8/7K/8/5Q2/8/3N4/8/1k6 w - - 0 1)

Zuncke, Klaus-Peter

Land og Folk, 1979

8/7K/8/5Q2/8/3N4/8/1k6

#2

3 + 1

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qb5+?
      • 1...Ka1
        • 2.Qb2#
      • 1...Ka2
        • 2.Qb2#
      • 1...Kc2!
    • 1.Qe5?
      • threat
        • 2.Qb2#
      • 1...Ka2
        • 2.Qb2#
      • 1...Kc2!
    • 1.Qf6?
      • threat
        • 2.Qb2#
      • 1...Ka2
        • 2.Qb2#
      • 1...Kc2!
  • Keys
    • 1.Qf2!
      • 1...Ka1
        • 2.Qb2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);P-FLIGHT::QAB1(B)
        • K(a);S_FLIGHT::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);
      • Threat
        • QAR1(B)
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);
      • Threat
        • QAR1(B)
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(B);
    • Vars
      • K(a);P-FLIGHT::QAB1(B)
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