MESON Chess Problem Database

Problem Display
PID: 152174 (4q3/3b3N/6Pp/1p6/5N1k/8/4PbQ1/7K w - - 0 1)

van Beek, Huibrecht

Good Companions (May Meredith Ty.), 1915

4q3/3b3N/6Pp/1p6/5N1k/8/4PbQ1/7K

#2

6 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Bh3
      • 2.Qxh3#
    • 1...Bg4
      • 2.Qxf2#
    • 1...h5
      • 2.Qg5#
  • Tries
    • 1.Qh2+?
      • 1...Bh3
        • 2.Qxh3#
      • 1...Kg4!
  • Keys
    • 1.Qf3!
      • threat
        • 2.Sg2#
      • 1...Qxg6
        • 2.Sxg6#
      • 1...Bg3
        • 2.Qh5#
      • 1...Bh3
        • 2.Qxh3#
      • 1...Bg4
        • 2.Qxf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • B(e);N_GUARD::QAR1(C),XB(e)
    • B(e);SBLOCK::QAB(C),XB(a)
    • P(d);N_GUARD::QAB1(C)
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • B(e);N_GUARD,P_SPINB(e)::QAR1(C),XB(e)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • Q(C);
    • Threat
      • S(D)
    • Vars
      • Q(f);XP(E)::S(D),XQ(f)
      • B(a);SBLOCK::QAR1(C)
      • B(e);N_GUARD::QAR1(C),XB(e)
      • B(e);SBLOCK::QAB(C),XB(a)
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