MESON Chess Problem Database

Problem Display
PID: 21582 (8/8/8/3p2p1/2ppk1B1/6QK/3Pp1PP/4N3 w - - 0 1)

Baird, Edith Elina Helen (Mrs WJ)

The Times Weekly Edition, 1919

8/8/8/3p2p1/2ppk1B1/6QK/3Pp1PP/4N3

#2

7 + 6

887 Mate in Two Moves 1931
3248 Miniatures canadiennes 2000

SOLUTION

  • SOUND
  • Sets
    • 1...c3
      • 2.d3#
    • 1...d3
      • 2.Qe3#
  • Tries
    • 1.Sd3?
      • threat
        • 2.Sf2#
        • 2.Sc5#
        • 2.Qf3#
      • 1...e1Q
        • 2.Sc5#
        • 2.Qf3#
      • 1...e1S
        • 2.Sf2#
        • 2.Sc5#
      • 1...e1B
        • 2.Sc5#
        • 2.Qf3#
      • 1...cxd3!
    • 1.Be6?
      • 1...d3
        • 2.Qe3#
      • 1...c3
        • 2.d3#
      • 1...g4+!
    • 1.Bd7?
      • 1...d3
        • 2.Qe3#
      • 1...c3
        • 2.d3#
      • 1...g4+!
    • 1.Bc8?
      • 1...d3
        • 2.Qe3#
      • 1...c3
        • 2.d3#
      • 1...g4+!
    • 1.Qf2?
      • threat
        • 2.Qf5#
      • 1...d3
        • 2.Qe3#
      • 1...Ke5!
  • Keys
    • 1.Sf3!
      • threat
        • 2.Sxg5#
      • 1...Kd3
        • 2.Bf5#
      • 1...d3
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • P(b);N_GUARD::P(B)
    • P(c);N_GUARD::QAR1(E)
  • Tries
    • Try
      • S(A);
      • Threat
        • DUALS(3)
      • Refutation
        • P(b);XS(A)
    • Try
      • B(G);
      • Vars
        • P(c);N_GUARD::QAR1(E)
        • P(b);N_GUARD::P(B)
      • Refutation
        • P(f);CHECK
    • Try
      • B(G);
      • Vars
        • P(c);N_GUARD::QAR1(E)
        • P(b);N_GUARD::P(B)
      • Refutation
        • P(f);CHECK
    • Try
      • B(G);
      • Vars
        • P(c);N_GUARD::QAR1(E)
        • P(b);N_GUARD::P(B)
      • Refutation
        • P(f);CHECK
    • Try
      • Q(E);
      • Threat
        • QAB1(E)
      • Vars
        • P(c);N_GUARD::QAR1(E)
      • Refutation
        • K(d);P-FLIGHT
  • Actual
    • S(A);
    • Threat
      • S(A),XP(f)
    • Vars
      • K(d);S_FLIGHT::B(G)
      • P(c);SBLOCK::QAR1(E)
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