MESON Chess Problem Database

Problem Display
PID: 225182 (8/8/8/4k2K/1Bp1P3/Q4P2/8/8 w - - 0 1)

Dikusarov, Andrey Nikolayovich

Sachova skladba, 2004

8/8/8/4k2K/1Bp1P3/Q4P2/8/8

#2

5 + 2

5454 Near Snap 2020
15148 Sadier Collection 2020
5454 Near Snap 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qc3#
    • 1...Kf4
      • 2.Bd6#
  • Tries
    • 1.Be7?
      • threat
        • 2.Qd6#
      • 1...Kd4
        • 2.Bf6#
      • 1...Kf4
        • 2.Bd6#
      • 1...Ke6!
    • 1.Qc3+?
      • 1...Kf4
        • 2.Bd6#
      • 1...Ke6!
  • Keys
    • 1.Bf8!
      • threat
        • 2.Qd6#
      • 1...Kd4
        • 2.Bg7#
      • 1...Kf4
        • 2.Bd6#
      • 1...Ke6
        • 2.Qe7#
      • 1...Kf6
        • 2.Qe7#

Anticipated by 132864(1972), 15317(1982)

This anticipates 232902(2007)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::QAB1(A)
    • K(b);S_FLIGHT::B(C)
  • Tries
    • Try
      • B(C);
      • Threat
        • QAB1(A)
      • Vars
        • K(b);S_FLIGHT::B(C)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);S_FLIGHT::B(C)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • B(C);
    • Threat
      • QAB1(A)
    • Vars
      • K(b);S_FLIGHT::B(C)
      • K(b);P-FLIGHT::QAR1(A)
      • K(b);S_FLIGHT::QAB1(A)
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