MESON Chess Problem Database

Problem Display
PID: 234994 (8/6Q1/8/1B1bNk2/8/5pK1/8/8 w - - 0 1)

Akimov, Nikolai Nikolaevich

64 Shakhmatnoe obozrenie, 2018

8/6Q1/8/1B1bNk2/8/5pK1/8/8

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Be4
      • 2.Bd7#
    • 1...Be6
      • 2.Bd3#
  • Tries
    • 1.Qf6+?
      • 1...Ke4
        • 2.Qf4#
      • 1...Kxf6!
  • Keys
    • 1.Sd7!
      • threat
        • 2.Qg4#
      • 1...Ke4
        • 2.Qe5#
      • 1...Ke6
        • 2.Qf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • B(b);N_GUARD,SBLOCK::B(B)
  • Tries
    • Try
      • Q(D);CHECK
      • Vars
        • K(c);OGATE,S_FLIGHT::QAR1(D)
      • Refutation
        • K(c);P-FLIGHT,XQ(D)
  • Actual
    • S(C);
    • Threat
      • QAB1(D)
    • Vars
      • K(c);S_FLIGHT::QAR1(D)
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