MESON Chess Problem Database

Problem Display
PID: 223418 (6R1/1N6/4BP2/4k3/1P6/2N2P2/1BP3K1/8 w - - 0 1)

Harrison, EN

New York Turf, Field and Farm, 1886

6R1/1N6/4BP2/4k3/1P6/2N2P2/1BP3K1/8

#2

10 + 1

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Sd1#
    • 1...Kf4
      • 2.Sd5#
  • Tries
    • 1.Sd1+?
      • 1...Kf4
        • 2.Rg4#
      • 1...Kxe6!
    • 1.Sc5?
      • 1...Kd4
        • 2.Sd1#
      • 1...Kf4
        • 2.Sd5#
      • 1...Kxf6
        • 2.Sd5#
      • 1...Kd6!
    • 1.Rg6?
      • 1...Kd4
        • 2.Sd1#
      • 1...Kf4
        • 2.Sd5#
      • 1...Kxe6!
  • Keys
    • 1.Sd8!
      • 1...Kd4
        • 2.Sd1#
      • 1...Kf4
        • 2.Sd5#
      • 1...Kd6
        • 2.Sb5#
      • 1...Kxf6
        • 2.Sd5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::B(A)+S(D)
    • K(a);S_FLIGHT::S(D)
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(a);S_FLIGHT::R1(J)
      • Refutation
        • K(a);P-FLIGHT,XB(G)
    • Try
      • S(I);
      • Vars
        • K(a);S_FLIGHT::B(A)+S(D)
        • K(a);S_FLIGHT::S(D)
        • K(a);S_FLIGHT,XP(H)::B(A)+S(D),DCHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(J);
      • Vars
        • K(a);S_FLIGHT::B(A)+S(D)
        • K(a);S_FLIGHT::S(D)
      • Refutation
        • K(a);P-FLIGHT,XB(G)
  • Actual
    • S(I);
    • Vars
      • K(a);S_FLIGHT::B(A)+S(D)
      • K(a);S_FLIGHT::S(D)
      • K(a);S_FLIGHT,XP(H)::B(A)+S(D),DCHECK
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