MESON Chess Problem Database

Problem Display
PID: 244545 (5B2/2K5/3NQ3/4N1pR/pP1kp3/p5P1/8/7B w - - 0 1)

Baird, Edith Elina Helen (Mrs WJ)

Source?, 0000

5B2/2K5/3NQ3/4N1pR/pP1kp3/p5P1/8/7B

#2

9 + 5

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...e3
      • 2.Sb5#
  • Tries
    • 1.Qb3?
      • threat
        • 2.Sc6#
      • 1...Kxe5
        • 2.Bg7#
      • 1...axb3!
    • 1.Qc4+?
      • 1...Kxe5
        • 2.Bg7#
      • 1...Ke3!
  • Keys
    • 1.Qa2!
      • 1...Kc3
        • 2.Sb5#
      • 1...Ke3
        • 2.Sf5#
      • 1...Kxe5
        • 2.Bg7#
      • 1...e3
        • 2.Qa1#
      • 1...g4
        • 2.Qd2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • P(d);SBLOCK::S(F)
  • Tries
    • Try
      • Q(G);
      • Threat
        • S(D)
      • Vars
        • K(c);OGATEB,P_SPINP(e),S_FLIGHT,XS(D)::B(I)
      • Refutation
        • P(b);XQ(G)
    • Try
      • Q(G);CHECK
      • Vars
        • K(c);P_SPINP(e),S_FLIGHT,XS(D)::B(I)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • Q(G);
    • Vars
      • K(c);S_FLIGHT::S(F)
      • K(c);OGATEB,P_SPINP(e),S_FLIGHT,XS(D)::B(I)
      • P(d);SBLOCK::QAB(G)
      • P(e);::QAR2(G)
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