MESON Chess Problem Database

Problem Display
PID: 55433 (8/3p4/1Q2p3/3k4/8/N5N1/3K4/8 w - - 0 1)

Baird, Edith Elina Helen (Mrs WJ)

A1 (New Zealand), 1895

8/3p4/1Q2p3/3k4/8/N5N1/3K4/8

#2

4 + 3

3262 700 Chess Problems 1902
5454 Near Snap 2008
5454 Near Snap 2013

SOLUTION

  • SOUND
  • Tries
    • 1.Kc3?
      • 1...Ke5
        • 2.Qd4#
      • 1...d6
        • 2.Qb5#
      • 1...e5!
    • 1.Kd3?
      • 1...Ke5
        • 2.Qd4#
      • 1...d6
        • 2.Qb5#
      • 1...e5!
    • 1.Ke3?
      • 1...Ke5
        • 2.Qd4#
      • 1...d6
        • 2.Qb5#
      • 1...e5!
    • 1.Qb5+?
      • 1...Kd4
        • 2.Sc2#
      • 1...Kd6!
  • Keys
    • 1.Sc2!
      • 1...Kc4
        • 2.Se3#
      • 1...Ke5
        • 2.Qd4#
      • 1...e5
        • 2.Se3#
      • 1...d6
        • 2.Qb5#

This anticipates 148184(1968), 12143(1975)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(A);S_FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAB1(D)
        • P(c);SBLOCK::QAR2(D)
      • Refutation
        • P(b);
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAB1(D)
        • P(c);SBLOCK::QAR2(D)
      • Refutation
        • P(b);
    • Try
      • K(A);S_FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAB1(D)
        • P(c);SBLOCK::QAR2(D)
      • Refutation
        • P(b);
    • Try
      • Q(D);CHECK
      • Vars
        • K(a);P-FLIGHT::S(B)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • S(B);
    • Vars
      • K(a);S_FLIGHT::S(B)
      • K(a);P-FLIGHT::QAB1(D)
      • P(b);SBLOCK::S(B)
      • P(c);SBLOCK::QAR2(D)
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