MESON Chess Problem Database

Problem Display
PID: 101389 (8/7K/1N6/1B1Pk3/6Q1/2P5/8/8 w - - 0 1)

Heller, JG

Good Companions, 1923

8/7K/1N6/1B1Pk3/6Q1/2P5/8/8

#2

6 + 1

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Kh6?
      • 1...Kf6
        • 2.Qe6#
      • 1...Kd6!
    • 1.Sc4+?
      • 1...Kxd5
        • 2.Qf5#
      • 1...Kf6!
    • 1.Bd3?
      • 1...Kf6
        • 2.Qg7#
      • 1...Kd6!
    • 1.Bd7?
      • 1...Kf6
        • 2.Qg7#
      • 1...Kd6!
  • Keys
    • 1.Sc8!
      • 1...Kxd5
        • 2.Qf5#
      • 1...Kf6
        • 2.Qf4#

FEATURES

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