MESON Chess Problem Database

Problem Display
PID: 231136 (1N6/5p2/8/3k2N1/8/2Q5/4K3/8 w - - 0 1)

Kosek, Wojtech

L'Echiquier, 1927

1N6/5p2/8/3k2N1/8/2Q5/4K3/8

#2

4 + 2

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sxf7?
      • 1...Ke4
        • 2.Qe5#
      • 1...Ke6!
    • 1.Qc6+?
      • 1...Kd4
        • 2.Sf3#
      • 1...Ke5!
  • Keys
    • 1.Sf3!
      • threat
        • 2.Qc6#
      • 1...Ke4
        • 2.Qe5#
      • 1...Kd6
        • 2.Qe5#
      • 1...Ke6
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);XP(b)
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);P-FLIGHT::S(C)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • S(C);
    • Threat
      • QAB1(B)
    • Vars
      • K(a);S_FLIGHT::QAR1(B)
      • K(a);P-FLIGHT::QAB1(B)
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