MESON Chess Problem Database

Problem Display
PID: 150709 (5Q2/4PP1p/8/N7/4k3/8/2N4B/1B3K2 w - - 0 1)

Akimov, Nikolai Nikolaevich

Sachsische Zeitung, 2007

5Q2/4PP1p/8/N7/4k3/8/2N4B/1B3K2

#2

8 + 2

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Tries
    • 1.e8Q+?
      • 1...Kd3
        • 2.Qe3#
      • 1...Kf3
        • 2.Qe2#
      • 1...Kd5
        • 2.Ba2#
        • 2.Qc6#
        • 2.Qd6#
        • 2.Qe5#
      • 1...Kf5!
  • Keys
    • 1.Qh6!
      • 1...Kd3
        • 2.Qe3#
      • 1...Kf3
        • 2.Qf4#
      • 1...Kd5
        • 2.Qc6#
      • 1...Kf5
        • 2.Se3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(F);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR1(F)
        • K(a);OGATE,S_FLIGHT::QAB1(F)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(H);
    • Vars
      • K(a);S_FLIGHT::QAR1(H)
      • K(a);S_FLIGHT::QAB1(H)
      • K(a);S_FLIGHT::B(A)+S(C),DCHECK
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