MESON Chess Problem Database

Problem Display
PID: 226805 (8/1Q6/8/8/4B3/8/1K6/6kN w - - 0 1)

Junker, Karl

Deutsche Schachzeitung, 1978

8/1Q6/8/8/4B3/8/1K6/6kN

#2

4 + 1

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qd5?
      • 1...Kf1
        • 2.Qd1#
      • 1...Kh2!
    • 1.Qb6+?
      • 1...Kf1
        • 2.Qf2#
      • 1...Kh2!
    • 1.Qa7+?
      • 1...Kf1
        • 2.Qf2#
      • 1...Kh2!
    • 1.Qd7?
      • 1...Kf1
        • 2.Qd1#
      • 1...Kh2!
    • 1.Qg7+?
      • 1...Kh2
        • 2.Qg2#
        • 2.Qg3#
      • 1...Kf1!
  • Keys
    • 1.Qb3!
      • 1...Kf1
        • 2.Qd1#
      • 1...Kh2
        • 2.Qg3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);
      • Vars
        • K(a);P-FLIGHT::QAR2(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(D);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(D);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(D);
      • Vars
        • K(a);P-FLIGHT::QAR2(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(D);CHECK
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(D);
    • Vars
      • K(a);P-FLIGHT::QAR2(D)
      • K(a);S_FLIGHT::QAB1(D)
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