MESON Chess Problem Database

Problem Display
PID: 56051 (B3n3/1N1p3N/3PkB2/8/1K1P4/3p1R2/8/5Q2 w - - 0 1)

Baird, Edith Elina Helen (Mrs WJ)

Times Weekly Edition, 1894

B3n3/1N1p3N/3PkB2/8/1K1P4/3p1R2/8/5Q2

#2

9 + 4

3262 700 Chess Problems 1902

SOLUTION

  • SOUND
  • Sets
    • 1...Sxd6
      • 2.Sd8#
    • 1...d2
      • 2.Qc4#
  • Tries
    • 1.Be5?
      • threat
        • 2.Sc5#
        • 2.Sd8#
      • 1...Kd5
        • 2.Sc5#
        • 2.Sd8#
      • 1...Sf6
        • 2.Sd8#
      • 1...Sxd6!
    • 1.Re3+?
      • 1...Kd5
        • 2.Qg2#
        • 2.Qh1#
        • 2.Qf3#
      • 1...Kf7!
  • Keys
    • 1.Qg2!
      • threat
        • 2.Qa2#
        • 2.Qg8#
      • 1...Kd5
        • 2.Re3#
      • 1...Kf7
        • 2.Sd8#
      • 1...Sxd6
        • 2.Sd8#
      • 1...Sxf6
        • 2.Rxf6#
      • 1...Sc7
        • 2.Qg8#
      • 1...Sg7
        • 2.Qa2#
      • 1...d2
        • 2.Qg8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • S(d);SBLOCK,XP(E)::S(G)
    • P(a);OGATE::QAB(A)
  • Tries
    • Try
      • B(F);
      • Threat
        • DUALS(2)
      • Vars
        • S(d);::S(G)
      • Refutation
        • S(d);XP(E)
    • Try
      • R(B);CHECK
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(A);
    • Threat
      • DUALS(2)
    • Vars
      • K(b);S_FLIGHT::QAB(A)+R(B)
      • K(b);S_FLIGHT::S(G)
      • S(d);SBLOCK,XP(E)::S(G)
      • S(d);OGATE,XB(F)::R1(B),XS(d)
      • S(d);::QAB(A)
      • P(a);::QAB(A)
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