MESON Chess Problem Database

Problem Display
PID: 79394 (2BB4/3N3K/8/5k2/5P2/3R4/8/8 w - - 0 1)

Aizikowicz, Jakov

The Tablet, 1965

(First published on Sat Feb 27 1965)

2BB4/3N3K/8/5k2/5P2/3R4/8/8

#2

6 + 1

5454 Near Snap 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Ke6
      • 2.Se5#
  • Tries
    • 1.Rd4?
      • threat
        • 2.Sc5#
        • 2.Se5#
        • 2.Sb6#
        • 2.Sf6#
        • 2.Sb8#
        • 2.Sf8#
      • 1...Ke6
        • 2.Se5#
      • 1...Kg4!
  • Keys
    • 1.Bg5!
      • threat
        • 2.Sc5#
        • 2.Sf6#
      • 1...Ke4
        • 2.Sc5#
      • 1...Kg4
        • 2.Sf6#
      • 1...Ke6
        • 2.Se5#

This anticipates 38879(1996)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::B(E)+S(C)
  • Tries
    • Try
      • R(A);
      • Threat
        • DUALS(6)
      • Vars
        • K(a);S_FLIGHT::B(E)+S(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(F);
    • Threat
      • DUALS(2)
    • Vars
      • K(a);S_FLIGHT::S(C)
      • K(a);S_FLIGHT::B(E)+S(C),DCHECK
      • K(a);S_FLIGHT::B(E)+S(C)
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