MESON Chess Problem Database

Problem Display
PID: 88260 (8/4Rp2/4Nk2/5N1P/5K2/8/8/8 w - - 0 1)

Borovik, Boris V

The Problemist, 1990

8/4Rp2/4Nk2/5N1P/5K2/8/8/8

#2

5 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sd6?
      • 1...fxe6
        • 2.Rf7#
      • 1...Kxe7!
    • 1.Rd7?
      • 1...Kxe6
        • 2.Rd6#
      • 1...fxe6!
  • Keys
    • 1.Re8!
      • 1...fxe6
        • 2.Rf8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Vars
        • P(b);SBLOCK,XS(D)::R1(E)
      • Refutation
        • K(a);S_FLIGHT,XR(E)
    • Try
      • R(E);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XS(D)::R1(E)
      • Refutation
        • P(b);XS(D)
  • Actual
    • R(E);
    • Vars
      • P(b);OGATEB,SBLOCK,XS(D)::R(E)
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