MESON Chess Problem Database

Problem Display
PID: 231833 (6K1/3k4/8/Q2PP3/8/8/4B3/8 w - - 0 1)

Kalbermatter, Hugo

Schweizerische Schachzeitung, 1987

6K1/3k4/8/Q2PP3/8/8/4B3/8

#2

5 + 1

SOLUTION

  • SOUND
  • Tries
    • 1.Bb5+?
      • 1...Ke7
        • 2.Qc7#
      • 1...Kc8!
    • 1.Bh5?
      • 1...Ke7
        • 2.Qc7#
      • 1...Kc8!
    • 1.Qc7+?
      • 1...Ke8
        • 2.Bb5#
        • 2.Bh5#
      • 1...Kxc7!
  • Keys
    • 1.d6!
      • 1...Kc6
        • 2.Qb5#
      • 1...Ke6
        • 2.Bg4#
      • 1...Kc8
        • 2.Qc7#
      • 1...Ke8
        • 2.Bb5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(A);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR2(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(A);
      • Vars
        • K(a);P-FLIGHT::QAR2(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Refutation
        • K(a);P-FLIGHT,XQ(B)
  • Actual
    • P(C);
    • Vars
      • K(a);S_FLIGHT::QAB1(B)
      • K(a);S_FLIGHT::B(A)
      • K(a);S_FLIGHT::QAR1(B)
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