MESON Chess Problem Database

Problem Display
PID: 205695 (1R6/KN6/8/1k6/1P6/P1R5/8/8 w - - 0 1)

de Savignac Castelet, G Arnaud

La Strategie, 1925

1R6/KN6/8/1k6/1P6/P1R5/8/8

#2

6 + 1

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ka4
      • 2.Sc5#
  • Tries
    • 1.Ka8?
      • 1...Ka4
        • 2.Sc5#
      • 1...Ka6
        • 2.Sc5#
      • 1...Kb6!
    • 1.a4+?
      • 1...Kxa4
        • 2.Sc5#
      • 1...Kxb4!
  • Keys
    • 1.Ra8!
      • 1...Ka4
        • 2.Kb6#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::S(E)
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::S(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • P(A);CHECK
      • Vars
        • K(a);S_FLIGHT,XP(A)::S(E)
      • Refutation
        • K(a);P-FLIGHT,XP(C)
  • Actual
    • R(F);
    • Vars
      • K(a);S_FLIGHT::R(F)+K(D)
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