MESON Chess Problem Database

Problem Display
PID: 108825 (1Q6/8/8/1B6/4kNP1/8/8/7K w - - 0 1)

Lebedinets, Nikolai Grigorevich

Apprenti Sorcier, 1992

1Q6/8/8/1B6/4kNP1/8/8/7K

#2

5 + 1

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Se2?
      • 1...Ke3
        • 2.Qf4#
      • 1...Kf3
        • 2.Qf4#
      • 1...Kd5!
    • 1.Se6?
      • 1...Ke3
        • 2.Qf4#
      • 1...Kf3
        • 2.Qf4#
      • 1...Kd5!
  • Keys
    • 1.Sg6!
      • 1...Ke3
        • 2.Qf4#
      • 1...Kf3
        • 2.Qf4#
      • 1...Kd4
        • 2.Qe5#
      • 1...Kd5
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Vars
        • K(a);P-FLIGHT::QAB1(E)
        • K(a);S_FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);P-FLIGHT::QAB1(E)
        • K(a);S_FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(B);
    • Vars
      • K(a);P-FLIGHT::QAB1(E)
      • K(a);S_FLIGHT::QAR1(E)
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