MESON Chess Problem Database

Problem Display
PID: 132592 (7B/7Q/5P2/8/2PN1kN1/2PP4/8/5K2 w - - 0 1)

Koltanowski, George

Source?, 0000

7B/7Q/5P2/8/2PN1kN1/2PP4/8/5K2

#2

9 + 1

2425 San Francisco Chronicle 0000

SOLUTION

  • SOUND
  • Tries
    • 1.Sf2?
      • 1...Ke3
        • 2.Qh6#
      • 1...Ke5
        • 2.Qh2#
        • 2.Qc7#
      • 1...Kg5
        • 2.Se6#
      • 1...Kg3!
    • 1.Sh2?
      • 1...Kg3
        • 2.Se2#
      • 1...Ke5
        • 2.Qc7#
      • 1...Kg5
        • 2.Se6#
      • 1...Ke3!
  • Keys
    • 1.Se5!
      • 1...Ke3
        • 2.Qh6#
      • 1...Kg3
        • 2.Se2#
      • 1...Kxe5
        • 2.Qh2#
        • 2.Qc7#
      • 1...Kg5
        • 2.Se6#

There are these versions: 132593

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);
      • Vars
        • K(a);S_FLIGHT::QAB(H)
        • K(a);S_FLIGHT::S(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(F);
      • Vars
        • K(a);S_FLIGHT::S(E)
        • K(a);S_FLIGHT::QAB(H)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(F);
    • Vars
      • K(a);S_FLIGHT::QAB(H)
      • K(a);S_FLIGHT::S(E)
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