MESON Chess Problem Database

Problem Display
PID: 219624 (5K2/8/2k5/8/7Q/7B/7P/6B1 w - - 0 1)

Kashcheev, Niktopolion Pavlovich

Land og Folk, 1978

5K2/8/2k5/8/7Q/7B/7P/6B1

#2

5 + 1

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qe7?
      • threat
        • 2.Qd7#
      • 1...Kd5
        • 2.Qe6#
      • 1...Kb5!
    • 1.Qd8?
      • threat
        • 2.Qd7#
      • 1...Kb7
        • 2.Qc8#
      • 1...Kb5!
    • 1.Qb4?
      • 1...Kc7
        • 2.Qb6#
      • 1...Kd5!
  • Keys
    • 1.Qc4+!
      • 1...Kd6
        • 2.Qc5#
      • 1...Kb7
        • 2.Qc8#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);
      • Threat
        • QAB1(D)
      • Vars
        • K(a);S_FLIGHT::QAB1(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(D);
      • Threat
        • QAB1(D)
      • Vars
        • K(a);S_FLIGHT::QAB1(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(D);
      • Vars
        • K(a);P-FLIGHT::QAB1(D)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(D);CHECK
    • Vars
      • K(a);P-FLIGHT::QAB1(D)
      • K(a);OGATE,S_FLIGHT::QAB1(D)
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