MESON Chess Problem Database

Problem Display
PID: 258682 (4r3/3p4/8/1p2pQ2/1K1k4/1B5p/8/5b1N w - - 0 1)

Geary, William

English Mechanic and World of Science, 1906

(First published on Fri Feb 2 1906)

4r3/3p4/8/1p2pQ2/1K1k4/1B5p/8/5b1N

#2

4 + 7

15239 Valois Notebooks 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Qf2+?
      • 1...Kd3
        • 2.Bc2#
      • 1...Ke4!
  • Keys
    • 1.Bc2!
      • threat
        • 2.Qe4#
      • 1...Ke3
        • 2.Qf2#
      • 1...Kd5
        • 2.Qxd7#
      • 1...Bg2
        • 2.Qd3#
      • 1...Bd3
        • 2.Qxd3#
      • 1...e4
        • 2.Qc5#
      • 1...d5
        • 2.Qf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);CHECK
      • Vars
        • K(c);N_GUARD,P-FLIGHT::B(B)
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • B(B);
    • Threat
      • QAR1(D)
    • Vars
      • K(c);N_GUARD,S_FLIGHT::QAB1(D)
      • K(c);N_GUARD,P-FLIGHT,P_SPINP(e)::QAR2(D),XP(f)
      • B(a);N_GUARD::QAR1(D)
      • B(a);N_GUARD::QAR1(D),XB(a)
      • P(e);OGATE::QAB1(D)
      • P(f);SBLOCK::QAB(D)
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