MESON Chess Problem Database

Problem Display
PID: 120648 (3K4/4p3/2Nkrb1p/1P6/1PR1P1nB/8/8/8 w - - 0 1)

Legentil, Georges

Le Havre Eclair, 1928

(First published on Sun Apr 15 1928)

3K4/4p3/2Nkrb1p/1P6/1PR1P1nB/8/8/8

#2

7 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bd4
      • 2.Rxd4#
    • 1...Bxh4
      • 2.Rd4#
    • 1...Bg5
      • 2.Rd4#
    • 1...Se5
      • 2.Rd4#
  • Tries
    • 1.Bg3+?
      • 1...Be5
        • 2.Rd4#
      • 1...Se5
        • 2.Rd4#
      • 1...Re5!
  • Keys
    • 1.Se5!
      • threat
        • 2.Sf7#
      • 1...Kxe5
        • 2.Bg3#
      • 1...Rxe5
        • 2.Rc6#
      • 1...Bxe5
        • 2.Rc6#
      • 1...Sxe5
        • 2.Rd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • B(d);N_GUARD::R(B),XB(d)
    • B(d);N_GUARD,XB(D)::R(B)
    • B(d);N_GUARD::R(B)
    • S(a);S_CUTB(d)::R(B)
  • Tries
    • Try
      • B(D);CHECK
      • Vars
        • B(d);P_SPINB(d)::R(B)
        • S(a);P_SPINS(a)::R(B)
      • Refutation
        • R(c);P_SPINR(c)
  • Actual
    • S(F);
    • Threat
      • S(F)
    • Vars
      • K(b);OGATEB,S_FLIGHT,XS(F)::B(D)
      • R(c);SBLOCK,XS(F)::R1(B)
      • B(d);SBLOCK,XS(F)::R1(B)
      • S(a);SBLOCK,XS(F)::R(B)
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