MESON Chess Problem Database

Problem Display
PID: 56923 (Q6n/2NR2p1/2RN4/K3k3/8/p1p3P1/Pn2B3/B7 w - - 0 1)

Baird, Edith Elina Helen (Mrs WJ)

British Chess Magazine, 1890

Q6n/2NR2p1/2RN4/K3k3/8/p1p3P1/Pn2B3/B7

#2

10 + 6

3262 700 Chess Problems 1902

SOLUTION

  • SOUND
  • Sets
    • 1...Sd3
      • 2.Bxc3#
    • 1...g5
      • 2.Qxh8#
    • 1...g6
      • 2.Qxh8#
  • Tries
    • 1.Re7+?
      • 1...Kd4
        • 2.Sdb5#
        • 2.Sf5#
        • 2.Re4#
        • 2.Qa7#
      • 1...Kf6!
    • 1.Qe8+?
      • 1...Kd4
        • 2.Sc4#
        • 2.Sdb5#
        • 2.Sf5#
        • 2.Sb7#
        • 2.Sf7#
        • 2.Sc8#
        • 2.Qe4#
      • 1...Kf6!
    • 1.Qf8?
      • threat
        • 2.Qxg7#
        • 2.Qf4#
      • 1...Kd4
        • 2.Qf4#
      • 1...Sf7
        • 2.Qxg7#
      • 1...Sd3
        • 2.Bxc3#
        • 2.Qxg7#
      • 1...Sg6
        • 2.Qxg7#
      • 1...g5
        • 2.Qg7#
        • 2.Qxh8#
      • 1...g6
        • 2.Qg7#
        • 2.Qf4#
        • 2.Qxh8#
      • 1...Sc4+!
  • Keys
    • 1.Bd3!
      • 1...Sc4+
        • 2.Sxc4#
      • 1...Kd4
        • 2.Sc4#
      • 1...Kf6
        • 2.Sf7#
      • 1...Sxd3
        • 2.Bxc3#
      • 1...Sd1
        • 2.Sc4#
      • 1...Sa4
        • 2.Sc4#
      • 1...Sg6
        • 2.Sf7#
      • 1...Sf7
        • 2.Sxf7#
      • 1...c2
        • 2.Sc4#
      • 1...g5
        • 2.Qxh8#
      • 1...g6
        • 2.Qxh8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • S(a);OGATE,P_SPINP(c)::B(A),XP(c)
    • P(e);OGATEB::QAB(J),XS(f)
  • Tries
    • Try
      • R(I);CHECK
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • Q(J);CHECK
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • Q(J);
      • Threat
        • DUALS(2)
      • Vars
        • K(d);S_FLIGHT::QAR2(J)
        • S(f);::QAB(J),XP(e)
      • Refutation
        • S(a);CHECK,P_SPINP(c)
  • Actual
    • B(C);
    • Vars
      • S(a);CHECK,N_GUARD,P_SPINP(c)::S(G),XS(a)
      • K(d);S_FLIGHT::R(I)+S(G)
      • K(d);S_FLIGHT::R(F)+S(G)
      • S(a);OGATE,P_SPINP(c),XB(C)::B(A),XP(c)
      • S(a);N_GUARD,P_SPINP(c)::S(G)
      • S(f);N_GUARD::S(G)
      • S(f);N_GUARD::S(G),XS(f)
      • P(c);P_SPINS(a)::S(G)
      • P(e);OGATEB::QAB(J),XS(f)
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