MESON Chess Problem Database

Problem Display
PID: 161746 (8/4pkNB/2P1N3/8/5K2/8/8/8 w - - 0 1)

Aizikowicz, Jakov

San Francisco Chronicle, 1973

8/4pkNB/2P1N3/8/5K2/8/8/8

#2

5 + 2

5454 Near Snap 2017
15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Sh5?
      • 1...Ke8
        • 2.Bg6#
      • 1...Kxe6!
  • Keys
    • 1.Se8!
      • 1...Kxe6
        • 2.Bg8#
      • 1...Kxe8
        • 2.Bg6#

Anticipated by 108848(1909), 23348(1929), 165171(1934)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);
      • Vars
        • K(b);S_FLIGHT::B(E)
      • Refutation
        • K(b);S_FLIGHT,XS(C)
  • Actual
    • S(D);
    • Vars
      • K(b);S_FLIGHT,XS(C)::B(E)
      • K(b);S_FLIGHT,XS(D)::B(E)
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