MESON Chess Problem Database

Problem Display
PID: 55291 (4Q3/2Np2K1/3p4/2P1P1NR/3kp3/Bp2p3/2b1B3/2R5 w - - 0 1)

Baird, Edith Elina Helen (Mrs WJ)

British Chess Magazine, 1889

4Q3/2Np2K1/3p4/2P1P1NR/3kp3/Bp2p3/2b1B3/2R5

#2

10 + 7

15 British Chess Magazine 1889
3262 700 Chess Problems 1902

SOLUTION

  • SOUND
  • Sets
    • 1...Bb1
      • 2.Bb2#
      • 2.Rc4#
    • 1...Bd1
      • 2.Bb2#
      • 2.Rc4#
    • 1...Bd3
      • 2.Bb2#
    • 1...dxc5
      • 2.Bb2#
    • 1...d5
      • 2.Sb5#
  • Tries
    • 1.Sf3+?
      • 1...Kc3
        • 2.Sb5#
        • 2.Sd5#
      • 1...exf3!
    • 1.Rxc2?
      • threat
        • 2.Bb2#
        • 2.Rc4#
      • 1...b2
        • 2.Bxb2#
        • 2.Rc4#
      • 1...d5
        • 2.Sb5#
        • 2.Bb2#
      • 1...bxc2!
  • Keys
    • 1.Qb8!
      • 1...Kc3
        • 2.Qb4#
      • 1...Kxe5
        • 2.Sge6#
      • 1...dxc5
        • 2.Bb2#
      • 1...dxe5
        • 2.Qb4#
      • 1...b2
        • 2.Qxb2#
      • 1...Bb1
        • 2.Bb2#
      • 1...Bd1
        • 2.Bb2#
      • 1...Bd3
        • 2.Bb2#
      • 1...d5
        • 2.Sb5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • B(a);::B(C)
    • P(f);SBLOCK,XP(D)::B(C)
    • P(f);SBLOCK::S(H)
  • Tries
    • Try
      • S(F);CHECK
      • Refutation
        • P(e);XS(F)
    • Try
      • R(A);XB(a)
      • Threat
        • DUALS(2)
      • Refutation
        • P(b);XR(A)
  • Actual
    • Q(J);
    • Vars
      • K(d);P_SPINB(a),S_FLIGHT::QAB1(J)
      • K(d);S_FLIGHT,XP(E)::R(G)+S(F)
      • P(f);SBLOCK,XP(D)::B(C)
      • P(f);SBLOCK,XP(E)::QAR2(J)
      • P(b);OGATE::QAB(J),XP(b)
      • B(a);::B(C)
      • P(f);SBLOCK::S(H)
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