MESON Chess Problem Database

Problem Display
PID: 244996 (8/8/6Q1/4k3/2K4B/4p3/2N3n1/8 w - - 0 1)

Akimov, Nikolai Nikolaevich

Smena (Moscow), 2000

8/8/6Q1/4k3/2K4B/4p3/2N3n1/8

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Se1
      • 2.Bg3#
  • Tries
    • 1.Sb4?
      • threat
        • 2.Sd3#
      • 1...Se1
        • 2.Bg3#
      • 1...Sf4
        • 2.Sc6#
      • 1...Kf4!
  • Keys
    • 1.Se1!
      • threat
        • 2.Sd3#
      • 1...Kf4
        • 2.Bg3#
      • 1...Sxe1
        • 2.Bg3#
      • 1...Sf4
        • 2.Sf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::B(C)
  • Tries
    • Try
      • S(A);
      • Threat
        • S(A)
      • Vars
        • S(a);N_GUARD::B(C)
        • S(a);SBLOCK::S(A)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • S(A);
    • Threat
      • S(A)
    • Vars
      • K(c);S_FLIGHT::B(C)
      • S(a);N_GUARD,XS(A)::B(C)
      • S(a);SBLOCK::S(A)
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