MESON Chess Problem Database

Problem Display
PID: 142457 (4B3/5N2/4P1p1/1Q5P/R3P1k1/6Pp/2p2P1K/2n5 w - - 0 1)

Baird, Lilian Edith

The Field, 1891

(First published on Sat May 9 1891)

4B3/5N2/4P1p1/1Q5P/R3P1k1/6Pp/2p2P1K/2n5

#2

10 + 5

15 British Chess Magazine 1891
15239 Valois Notebooks 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sa2
      • 2.Qe2#
    • 1...Se2
      • 2.Qxe2#
    • 1...Sb3
      • 2.Qe2#
    • 1...gxh5
      • 2.Qf5#
    • 1...g5
      • 2.Se5#
  • Tries
    • 1.Ra3?
      • threat
        • 2.Sh6#
        • 2.Qg5#
        • 2.f3#
      • 1...Sb3
        • 2.Qe2#
      • 1...g5
        • 2.Se5#
        • 2.Sh6#
        • 2.Qxg5#
      • 1...Sd3!
    • 1.Qd3?
      • 1...Kxh5
        • 2.Qf3#
      • 1...gxh5
        • 2.f3#
        • 2.e5#
      • 1...Sa2
        • 2.Qe2#
      • 1...Se2
        • 2.Qxe2#
      • 1...Sb3
        • 2.Qe2#
      • 1...g5
        • 2.Se5#
        • 2.Sh6#
      • 1...Sxd3!
    • 1.e5+?
      • 1...Kf3
        • 2.Rf4#
      • 1...Kxh5
        • 2.Rh4#
      • 1...Kf5!
  • Keys
    • 1.Qf1!
      • 1...Kf3
        • 2.Se5#
      • 1...Kxh5
        • 2.Qxh3#
      • 1...gxh5
        • 2.f3#
      • 1...Sd3
        • 2.Qe2#
      • 1...Sa2
        • 2.Qe2#
      • 1...Se2
        • 2.Qxe2#
      • 1...Sb3
        • 2.Qe2#
      • 1...g5
        • 2.Se5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::QAB(F)
    • S(a);N_GUARD::QAB(F),XS(a)
    • P(e);N_GUARD,XP(G)::QAB1(F)
    • P(e);SBLOCK::S(I)
  • Tries
    • Try
      • R(D);
      • Threat
        • DUALS(3)
      • Vars
        • S(a);N_GUARD::QAB(F)
      • Refutation
        • S(a);
    • Try
      • Q(F);
      • Vars
        • K(d);S_FLIGHT,XP(G)::QAB(F)
        • S(a);N_GUARD::QAB(F)
        • S(a);N_GUARD::QAB(F),XS(a)
      • Refutation
        • S(a);XQ(F)
    • Try
      • P(E);CHECK
      • Vars
        • K(d);S_FLIGHT::R1(D)
        • K(d);OGATE,S_FLIGHT,XP(G)::R1(D)
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • Q(F);
    • Vars
      • K(d);S_FLIGHT::S(I)
      • K(d);S_FLIGHT,XP(G)::QAR2(F),XP(c)
      • P(e);SBLOCK,XP(G)::P(A)
      • S(a);N_GUARD::QAB(F)
      • S(a);N_GUARD::QAB(F),XS(a)
      • P(e);SBLOCK::S(I)
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