MESON Chess Problem Database

Problem Display
PID: 42838 (7K/8/8/RB2Nk2/5PN1/7p/7P/3R4 w - - 0 1)

Papic, Ljubisa

Mat, 1975

7K/8/8/RB2Nk2/5PN1/7p/7P/3R4

#2

8 + 2

5454 Near Snap 2023

SOLUTION

  • SOUND
  • Tries
    • 1.Bd7+?
      • 1...Ke4
        • 2.Ra4#
      • 1...Kxf4!
  • Keys
    • 1.Sg6!
      • 1...Ke4
        • 2.Bc6#
      • 1...Kxg4
        • 2.Be2#
      • 1...Ke6
        • 2.Bc4#
      • 1...Kxg6
        • 2.Be8#

This anticipates 238769(1981)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(F);CHECK
      • Vars
        • K(b);S_FLIGHT::R(E)
      • Refutation
        • K(b);P-FLIGHT,XP(C)
  • Actual
    • S(G);
    • Vars
      • K(b);S_FLIGHT::B(F)
      • K(b);S_FLIGHT,XS(D)::B(F)
      • K(b);S_FLIGHT,XS(G)::B(F)
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