MESON Chess Problem Database

Problem Display
PID: 55751 (8/7Q/2R1R3/3brp2/3pk2K/8/4P1N1/8 w - - 0 1)

Baird, Edith Elina Helen (Mrs WJ)

Manchester Weekly Times, 1895

8/7Q/2R1R3/3brp2/3pk2K/8/4P1N1/8

#2

6 + 5

3262 700 Chess Problems 1902

SOLUTION

  • SOUND
  • Tries
    • 1.Qc7?
      • threat
        • 2.Rxe5#
        • 2.Qxe5#
      • 1...Rxe6
        • 2.Qf4#
      • 1...d3
        • 2.Qxe5#
      • 1...Bxe6!
  • Keys
    • 1.Qb7!
      • 1...Rxe6
        • 2.Rxe6#
      • 1...Bxc6
        • 2.Qxc6#
      • 1...Bxe6
        • 2.Rxe6#
      • 1...Ba2
        • 2.Rc4#
      • 1...Bb3
        • 2.Rc4#
      • 1...Bc4
        • 2.Rxc4#
      • 1...d3
        • 2.Rc4#
      • 1...f4
        • 2.Qh7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(F);N_PINP(e)
      • Threat
        • DUALS(2)
      • Vars
        • R(d);N_SPINR(d),OGATE,XR(E)::QAR1(F)
        • P(a);::QAR1(F),XR(d)
      • Refutation
        • B(c);N_SPINR(d),XR(E)
  • Actual
    • Q(F);N_PINP(e)
    • Vars
      • R(d);N_SPINR(d),OGATE,XR(E)::R(D),XR(d)
      • B(c);OGATE,P_SPINB(c),XR(D)::QAB(F),XB(c)
      • B(c);N_SPINR(d),OGATE,XR(E)::QAB(F)+R(D),XB(c)
      • B(c);OGATEB::QAB(F)+R(D)
      • B(c);OGATEB::QAB(F)+R(D),XB(c)
      • P(a);OGATEB::R(D)
      • P(e);OGATEB::QAB(F)
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