MESON Chess Problem Database

Problem Display
PID: 220496 (8/8/1K3P2/4k1p1/6P1/1BR1p3/1B2P2P/8 w - - 0 1)

Andrews, Henry John Clinton

English Mechanic and World of Science, 1875

(First published on Fri Nov 5 1875)

8/8/1K3P2/4k1p1/6P1/1BR1p3/1B2P2P/8

#2

8 + 3

15239 Valois Notebooks 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4
      • 2.Rc4#
    • 1...Kd6
      • 2.Rd3#
  • Tries
    • 1.Kc5?
      • 1...Ke4
        • 2.Rc4#
      • 1...Kf4
        • 2.Rc4#
      • 1...Kxf6!
    • 1.Kc6?
      • 1...Kd4
        • 2.Rc4#
      • 1...Ke4
        • 2.Rc4#
      • 1...Kf4
        • 2.Rc4#
      • 1...Kxf6!
    • 1.Bg8?
      • 1...Kd4
        • 2.Rc4#
      • 1...Ke4
        • 2.Rc4#
      • 1...Kf4
        • 2.Rc4#
      • 1...Kd6
        • 2.Rd3#
      • 1...Kxf6!
    • 1.Rc1+?
      • 1...Kf4
        • 2.Rc4#
      • 1...Kd6
        • 2.Rd1#
      • 1...Ke4!
    • 1.Rxe3+?
      • 1...Kd6
        • 2.Rd3#
      • 1...Kf4!
    • 1.Rc6+?
      • 1...Kf4
        • 2.Rc4#
      • 1...Ke4!
    • 1.Rc8+?
      • 1...Kf4
        • 2.Rc4#
      • 1...Kd6
        • 2.Rd8#
      • 1...Ke4!
  • Keys
    • 1.Bf7!
      • 1...Kd4
        • 2.Rc4#
      • 1...Ke4
        • 2.Rc4#
      • 1...Kf4
        • 2.Rc4#
      • 1...Kd6
        • 2.Rd3#
      • 1...Kxf6
        • 2.Rc7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::R(E)
  • Tries
    • Try
      • K(G);S_FLIGHT
      • Vars
        • K(b);P-FLIGHT::R(E)
        • K(b);S_FLIGHT::R(E)
      • Refutation
        • K(b);S_FLIGHT,XP(H)
    • Try
      • K(G);P-FLIGHT
      • Vars
        • K(b);S_FLIGHT::B(A)+R(E),DCHECK
        • K(b);P-FLIGHT::R(E)
        • K(b);S_FLIGHT::R(E)
      • Refutation
        • K(b);S_FLIGHT,XP(H)
    • Try
      • B(D);
      • Vars
        • K(b);S_FLIGHT::B(A)+R(E),DCHECK
        • K(b);P-FLIGHT::R(E)
        • K(b);S_FLIGHT::R(E)
      • Refutation
        • K(b);S_FLIGHT,XP(H)
    • Try
      • R(E);CHECK
      • Vars
        • K(b);S_FLIGHT::R(E)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • R(E);CHECK,XP(a)
      • Vars
        • K(b);S_FLIGHT::R(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(E);CHECK
      • Vars
        • K(b);S_FLIGHT::R(E)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • R(E);CHECK
      • Vars
        • K(b);S_FLIGHT::R(E)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • B(D);
    • Vars
      • K(b);S_FLIGHT::B(A)+R(E),DCHECK
      • K(b);P-FLIGHT::R(E)
      • K(b);S_FLIGHT::R(E)
      • K(b);S_FLIGHT,XP(H)::B(A)+R(E)
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