MESON Chess Problem Database

Problem Display
PID: 205716 (8/8/1R6/k7/N7/8/K7/R7 w - - 0 1)

de Savignac Castelet, G Arnaud

La Strategie, 1925

8/8/1R6/k7/N7/8/K7/R7

#2

4 + 1

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kxa4
      • 2.Kb1#
      • 2.Kb2#
  • Tries
    • 1.Rb2?
      • 1...Kxa4
        • 2.Kb1#
      • 1...Ka6!
    • 1.Rb3?
      • 1...Kxa4
        • 2.Kb2#
      • 1...Ka6!
    • 1.Rb7?
      • 1...Kxa4
        • 2.Kb1#
        • 2.Kb2#
      • 1...Ka6!
    • 1.Rb8?
      • 1...Kxa4
        • 2.Kb1#
        • 2.Kb2#
      • 1...Ka6!
  • Keys
    • 1.Rab1!
      • 1...Kxa4
        • 2.Ra6#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);
      • Vars
        • K(a);P-FLIGHT,XS(C)::R(A)+K(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(D);
      • Vars
        • K(a);P-FLIGHT,XS(C)::R(A)+K(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(D);
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(D);
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • R(A);
    • Vars
      • K(a);P-FLIGHT,XS(C)::R(D)
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