MESON Chess Problem Database

Problem Display
PID: 50152 (3bK3/8/rp1p2NR/p2k4/2N2B2/P1R1Pq2/6Q1/1B2n2b w - - 0 1)

Baird, Edith Elina Helen (Mrs WJ)

Evening News and Post, 1890

3bK3/8/rp1p2NR/p2k4/2N2B2/P1R1Pq2/6Q1/1B2n2b

#2

10 + 9

3262 700 Chess Problems 1902

SOLUTION

  • SOUND
  • Sets
    • 1...Ke6
      • 2.Se7#
  • Tries
    • 1.Sd2?
      • threat
        • 2.Ba2#
      • 1...Ke6
        • 2.Se7#
      • 1...Qe4+!
    • 1.Sxb6+?
      • 1...Ke6
        • 2.Se7#
        • 2.Sf8#
      • 1...Bxb6
        • 2.Se7#
        • 2.Qa2#
      • 1...Rxb6!
    • 1.Se7+?
      • 1...Kc5
        • 2.Sxd6#
      • 1...Bxe7!
    • 1.Qd2+?
      • 1...Kc5
        • 2.Sxd6#
      • 1...Kc6
        • 2.Sxd6#
      • 1...Ke6
        • 2.Se7#
        • 2.Sf8#
        • 2.Qxd6#
      • 1...Sd3!
    • 1.Qg5+?
      • 1...Kc6
        • 2.Sxa5#
        • 2.Sxd6#
      • 1...Ke6
        • 2.Se7#
        • 2.Sf8#
        • 2.Qf5#
      • 1...Bxg5!
  • Keys
    • 1.Ba2!
      • threat
        • 2.Sd2#
        • 2.Sxd6#
      • 1...Qe4+
        • 2.Sce5#
      • 1...Ke4
        • 2.Sxd6#
      • 1...Kc5
        • 2.Sxd6#
      • 1...Kc6
        • 2.Sxd6#
      • 1...Ke6
        • 2.Se7#
      • 1...Qxg2
        • 2.Sd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • K(e);N_SPINQ(c),S_FLIGHT::R(I)+S(H)
  • Tries
    • Try
      • S(F);
      • Threat
        • B(A)
      • Vars
        • K(e);N_SPINQ(c),S_FLIGHT::R(I)+S(H)
      • Refutation
        • Q(c);CHECK
    • Try
      • S(F);CHECK,XP(g)
      • Refutation
        • R(f);XS(F)
    • Try
      • S(H);CHECK
      • Vars
        • K(e);N_SPINQ(c),P-FLIGHT::R(D)+S(F),XP(h)
      • Refutation
        • B(i);XS(H)
    • Try
      • Q(B);CHECK,N_PINQ(c)
      • Vars
        • K(e);P-FLIGHT::R(D)+S(F),XP(h)
        • K(e);S_FLIGHT::R(D)+S(F),XP(h)
      • Refutation
        • S(a);P_SPINS(a)
    • Try
      • Q(B);CHECK,N_PINQ(c)
      • Refutation
        • B(i);XQ(B)
  • Actual
    • B(A);
    • Threat
      • DUALS(2)
    • Vars
      • Q(c);CHECK::B(A)+S(F)
      • K(e);S_FLIGHT::S(F),XP(h)
      • K(e);N_SPINQ(c),P-FLIGHT::R(D)+S(F),XP(h)
      • K(e);S_FLIGHT::R(D)+S(F),XP(h)
      • K(e);N_SPINQ(c),S_FLIGHT::R(I)+S(H)
      • Q(c);N_SPINQ(c),XQ(B)::B(A)+S(F)
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