MESON Chess Problem Database

Problem Display
PID: 133488 (8/8/2R5/8/3pkB2/3Np3/B3N2P/4K3 w - - 0 1)

Aizikowicz, Jakov

The Field, 1961

(First published on Thu Apr 6 1961)

8/8/2R5/8/3pkB2/3Np3/B3N2P/4K3

#2

7 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd3
      • 2.Bb1#
  • Tries
    • 1.Sg3+?
      • 1...Kxd3
        • 2.Bb1#
      • 1...Kf3!
    • 1.Be6?
      • 1...Kxd3
        • 2.Bf5#
      • 1...Kf3!
    • 1.Rc5?
      • 1...Kxd3
        • 2.Bb1#
      • 1...Kf3!
  • Keys
    • 1.h3!
      • 1...Kxd3
        • 2.Bb1#
      • 1...Kf3
        • 2.Bd5#
      • 1...Kf5
        • 2.Sg3#

FEATURES

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