MESON Chess Problem Database

Problem Display
PID: 223301 (1RK5/p7/1b6/1PkBp3/R3P3/8/1P6/2N1B3 w - - 0 1)

Sexton, Thomas

Chess Monthly, 1885

1RK5/p7/1b6/1PkBp3/R3P3/8/1P6/2N1B3

#2

9 + 4

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kxb5
      • 2.Ra5#
  • Tries
    • 1.Sb3+?
      • 1...Kxb5
        • 2.Ra5#
      • 1...Kd6!
    • 1.Sd3+?
      • 1...Kxb5
        • 2.Ra5#
      • 1...Kd6!
  • Keys
    • 1.Ra6!
      • 1...Kd4
        • 2.Bf2#
      • 1...Kxb5
        • 2.Ra5#
      • 1...Kd6
        • 2.Bb4#
      • 1...Ba5
        • 2.Sb3#
      • 1...Bc7
        • 2.Sb3#
      • 1...Bd8
        • 2.Sb3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • K(a);OGATEB,P-FLIGHT,P_SPINB(c),XP(F)::R1(D)
  • Tries
    • Try
      • S(A);CHECK
      • Vars
        • K(a);P-FLIGHT,P_SPINB(c),XP(F)::R1(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(A);CHECK
      • Vars
        • K(a);P-FLIGHT,P_SPINB(c),XP(F)::R1(D)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(D);
    • Vars
      • K(a);S_FLIGHT::B(B)
      • K(a);OGATEB,P-FLIGHT,P_SPINB(c),XP(F)::R1(D)
      • K(a);P_SPINB(c),S_FLIGHT::B(B)
      • B(c);::S(A)
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