MESON Chess Problem Database

Problem Display
PID: 249539 (1Q6/8/1K6/8/1k6/8/1P6/8 w - - 0 1)

Zuncke, Klaus-Peter

Deutsche Schachzeitung, 1980

1Q6/8/1K6/8/1k6/8/1P6/8

#2

3 + 1

5454 Near Snap 2021
6490 yacpdb 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Kc6+?
      • 1...Ka4
        • 2.Qb5#
      • 1...Ka5
        • 2.Qb5#
      • 1...Kc4!
    • 1.Qg3?
      • 1...Ka4
        • 2.Qa3#
      • 1...Kc4!
    • 1.Qc7?
      • 1...Ka4
        • 2.Qc4#
      • 1...Kb3!
    • 1.Qc8?
      • 1...Ka4
        • 2.Qc4#
      • 1...Kb3!
  • Keys
    • 1.Qg8!
      • 1...Ka4
        • 2.Qc4#

Anticipated by 138406(1980)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(B);CHECK,P-FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAB1(C)
        • K(a);S_FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(a);P-FLIGHT::QAR2(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(a);P-FLIGHT::QAR2(C)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(C);
    • Vars
      • K(a);P-FLIGHT::QAR2(C)
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