MESON Chess Problem Database

Problem Display
PID: 234995 (8/8/6PQ/5p2/3BbNk1/8/7K/8 w - - 0 1)

Akimov, Nikolai Nikolaevich

64 Shakhmatnoe obozrenie, 2018

8/8/6PQ/5p2/3BbNk1/8/7K/8

#2

5 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Se6?
      • threat
        • 2.Qh3#
      • 1...Kf3
        • 2.Qh5#
      • 1...Bg2!
    • 1.Qg5+?
      • 1...Kf3
        • 2.Qg3#
      • 1...Kxg5!
    • 1.Qh3+?
      • 1...Kxf4
        • 2.Qg3#
      • 1...Kg5!
    • 1.Qh4+?
      • 1...Kf3
        • 2.Qg3#
      • 1...Kxh4!
  • Keys
    • 1.Be3!
      • threat
        • 2.Qh5#
      • 1...Kf3
        • 2.Qh3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Threat
        • QAB1(E)
      • Vars
        • K(b);S_FLIGHT::QAB(E)
      • Refutation
        • B(a);
    • Try
      • Q(E);CHECK
      • Vars
        • K(b);OGATE,S_FLIGHT::QAR1(E)
      • Refutation
        • K(b);P-FLIGHT,XQ(E)
    • Try
      • Q(E);CHECK
      • Vars
        • K(b);P-FLIGHT,XS(C)::QAB1(E)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(E);CHECK
      • Vars
        • K(b);S_FLIGHT::QAR1(E)
      • Refutation
        • K(b);P-FLIGHT,XQ(E)
  • Actual
    • B(B);
    • Threat
      • QAB1(E)
    • Vars
      • K(b);S_FLIGHT::QAR2(E)
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