MESON Chess Problem Database

Problem Display
PID: 219626 (Q7/2k2K2/8/8/8/1n5B/5B2/r7 w - - 0 1)

Kashcheev, Niktopolion Pavlovich

Land og Folk, 1978

Q7/2k2K2/8/8/8/1n5B/5B2/r7

#2

4 + 3

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qc6+?
      • 1...Kb8
        • 2.Qc8#
      • 1...Kd8
        • 2.Bh4#
        • 2.Bb6#
        • 2.Qd7#
        • 2.Qb6#
        • 2.Qd6#
        • 2.Qc8#
      • 1...Kxc6!
  • Keys
    • 1.Qd8+!
      • 1...Kc6
        • 2.Qd7#
      • 1...Kb7
        • 2.Qc8#
      • 1...Kxd8
        • 2.Bb6#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);CHECK
      • Vars
        • K(c);OGATE,S_FLIGHT::QAR1(D)
      • Refutation
        • K(c);P-FLIGHT,XQ(D)
  • Actual
    • Q(D);CHECK
    • Vars
      • K(c);P-FLIGHT::QAB1(D)
      • K(c);S_FLIGHT,XQ(D)::B(A)
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