MESON Chess Problem Database

Problem Display
PID: 223157 (8/5K2/B3N2B/1N2p3/4kbR1/1P2P3/5R2/8 w - - 0 1)

Mead, Walter

Philadelphia Times, 1886

8/5K2/B3N2B/1N2p3/4kbR1/1P2P3/5R2/8

#2

9 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Bb7#
  • Tries
    • 1.Sc3+?
      • 1...Kf5
        • 2.Rg5#
      • 1...Kxe3!
  • Keys
    • 1.Rg3!
      • 1...Kd3
        • 2.Sc5#
      • 1...Kd5
        • 2.Bb7#
      • 1...Kf5
        • 2.Sd6#
      • 1...Bxe3
        • 2.Sc3#
      • 1...Bxg3
        • 2.Sc3#
      • 1...Bxh6
        • 2.Sc3#
      • 1...Bg5
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • K(a);N_SPINB(b),S_FLIGHT::B(F)
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • K(a);S_FLIGHT::R1(D)
      • Refutation
        • K(a);P-FLIGHT,XP(C)
  • Actual
    • R(D);N_PINB(b)
    • Vars
      • K(a);S_FLIGHT::S(G)
      • K(a);S_FLIGHT::B(F)
      • K(a);P_SPINB(b),S_FLIGHT::S(E)
      • B(b);XP(C)::S(E)
      • B(b);XR(D)::S(E)
      • B(b);XB(H)::S(E)
      • B(b);::S(E)
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