MESON Chess Problem Database

Problem Display
PID: 147982 (7n/8/1K2p3/1B2k2N/4P3/B4n2/2N1R3/8 w - - 0 1)

Dodds, DL

Chess, 1955

7n/8/1K2p3/1B2k2N/4P3/B4n2/2N1R3/8

#2

7 + 4

SOLUTION

  • SOUND
  • Tries
    • 1.Sd4?
      • threat
        • 2.Sxf3#
        • 2.Sc6#
      • 1...Kxd4
        • 2.Bb2#
      • 1...Sg1
        • 2.Sc6#
      • 1...Se1
        • 2.Sc6#
      • 1...Sd2
        • 2.Sc6#
      • 1...Sh2
        • 2.Sc6#
      • 1...Sh4
        • 2.Sc6#
      • 1...Sg5
        • 2.Sc6#
      • 1...Sxd4!
  • Keys
    • 1.Sb4!
      • threat
        • 2.Sc6#
      • 1...Kd4
        • 2.Bb2#
      • 1...Kd6
        • 2.Sd3#
      • 1...Sd4
        • 2.Sd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);
      • Threat
        • DUALS(2)
      • Vars
        • K(b);OGATEB,S_FLIGHT,XS(A)::B(C)
        • S(a);::S(A)
      • Refutation
        • S(a);XS(A)
  • Actual
    • S(A);
    • Threat
      • S(A)
    • Vars
      • K(b);S_FLIGHT::B(C)
      • K(b);S_FLIGHT::B(C)+S(A)
      • S(a);SBLOCK::S(A)
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