MESON Chess Problem Database

Problem Display
PID: 50028 (2N4B/6n1/8/2pPNp1R/Q2n1kP1/3P1p1R/8/3B1K2 w - - 0 1)

Baird, Edith Elina Helen (Mrs WJ)

Illustrated Sporting and Dramatic News, 1891

2N4B/6n1/8/2pPNp1R/Q2n1kP1/3P1p1R/8/3B1K2

#2

11 + 6

3262 700 Chess Problems 1902

SOLUTION

  • SOUND
  • Sets
    • 1...Se6
      • 2.Rxf3#
    • 1...Se8
      • 2.Rxf3#
    • 1...f2
      • 2.Sg6#
  • Tries
    • 1.Sg6+?
      • 1...Kxg4
        • 2.Bxf3#
      • 1...Ke3!
    • 1.Qc4?
      • 1...Ke3
        • 2.Qc1#
      • 1...Sxh5
        • 2.Qc1#
      • 1...fxg4
        • 2.Qc1#
      • 1...Se6
        • 2.Rxf3#
        • 2.Qc1#
      • 1...Se8
        • 2.Rxf3#
        • 2.Qc1#
      • 1...f2
        • 2.Sg6#
      • 1...Kxe5!
  • Keys
    • 1.Qa1!
      • 1...Ke3
        • 2.Qc1#
      • 1...Kxe5
        • 2.Rxf5#
      • 1...Sxh5
        • 2.Qc1#
      • 1...fxg4
        • 2.Qc1#
      • 1...Sc2
        • 2.Rxf3#
      • 1...Se2
        • 2.Rxf3#
      • 1...Sb3
        • 2.Rxf3#
      • 1...Sb5
        • 2.Rxf3#
      • 1...Sc6
        • 2.Rxf3#
      • 1...Sde6
        • 2.Rxf3#
      • 1...Sge6
        • 2.Qc1#
      • 1...Se8
        • 2.Qc1#
      • 1...f2
        • 2.Sg6#
      • 1...c4
        • 2.Qxd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 2
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
    • S(f);::R1(D),XP(a)
    • P(a);::S(H)
  • Tries
    • Try
      • S(H);CHECK
      • Vars
        • K(c);P-FLIGHT,P_SPINP(a),XP(F)::B(A),XP(a)
      • Refutation
        • K(c);N_SPINS(b),P_SPINP(a),S_FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(c);N_SPINS(b),P_SPINP(a),S_FLIGHT::QAB(E)
        • S(f);XR(I)::QAB(E)
        • P(e);XP(F)::QAB(E)
        • P(a);::S(H)
      • Refutation
        • K(c);N_SPINS(b),P_SPINP(e),P_SPINS(f),S_FLIGHT,XS(H)
  • Actual
    • Q(E);N_PINS(b)
    • Vars
      • K(c);P_SPINP(a),S_FLIGHT::QAB(E)
      • K(c);P_SPINP(e),P_SPINS(b),S_FLIGHT,XS(H)::R1(I),XP(e)
      • S(f);XR(I)::QAB(E)
      • P(e);XP(F)::QAB(E)
      • S(b);N_GUARD::R1(D),XP(a)
      • S(f);::QAB(E)
      • P(a);::S(H)
      • P(d);N_GUARD::QAR2(E),XS(b)
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