MESON Chess Problem Database

Problem Display
PID: 108835 (2BK4/8/8/2pk4/6P1/1R2P3/3N4/8 w - - 0 1)

Legentil, Georges

Le Havre Eclair, 1928

(First published on Sun Apr 1 1928)

2BK4/8/8/2pk4/6P1/1R2P3/3N4/8

#2

6 + 2

6490 yacpdb 2009
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Kc7?
      • 1...c4
        • 2.Rb5#
      • 1...Ke5!
    • 1.Kd7?
      • 1...c4
        • 2.Rb5#
      • 1...Ke5!
  • Keys
    • 1.Sc4!
      • 1...Kxc4
        • 2.Be6#
      • 1...Ke4
        • 2.Bb7#
      • 1...Kc6
        • 2.Bb7#

Anticipated by 214475(1879), 175113(1902), 182329(1906), 203462(1924)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(F);S_FLIGHT
      • Vars
        • P(a);OGATEB::R(B)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • K(F);P-FLIGHT
      • Vars
        • P(a);OGATEB::R(B)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • S(A);
    • Vars
      • K(b);S_FLIGHT,XS(A)::B(E)
      • K(b);S_FLIGHT::B(E)
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