MESON Chess Problem Database

Problem Display
PID: 134914 (3q4/8/8/b7/4B3/5N1N/5K2/7k w - - 0 1)

Morse, Christopher Jeremy

The Problemist, 2009

3q4/8/8/b7/4B3/5N1N/5K2/7k

#2

4 + 3

SOLUTION

  • SOUND
  • Keys
    • 1.Kg3!
      • threat
        • 2.Se1#
        • 2.Sfg1#
        • 2.Sd2#
        • 2.Sh2#
        • 2.Sd4#
        • 2.Sh4#
        • 2.Se5#
        • 2.Sfg5#
        • 2.Sf2#
      • 1...Qh4+
        • 2.Sxh4#
      • 1...Qg5+
        • 2.Sfxg5#
      • 1...Qc7+
        • 2.Se5#
      • 1...Qd6+
        • 2.Se5#
      • 1...Qb8+
        • 2.Se5#
      • 1...Qg8+
        • 2.Sfg5#
      • 1...Be1+
        • 2.Sxe1#
      • 1...Bc7+
        • 2.Se5#
      • 1...Qb6
        • 2.Se1#
        • 2.Sfg1#
        • 2.Sd2#
        • 2.Sh2#
        • 2.Sd4#
        • 2.Sh4#
        • 2.Se5#
        • 2.Sfg5#
      • 1...Qf6
        • 2.Sf2#
      • 1...Qe7
        • 2.Se5#
        • 2.Sf2#
      • 1...Qd1
        • 2.Sf2#
      • 1...Qd2
        • 2.Sxd2#
      • 1...Qd3
        • 2.Sf2#
      • 1...Qd4
        • 2.Sxd4#
      • 1...Qd5
        • 2.Sf2#
      • 1...Qa8
        • 2.Sf2#
      • 1...Qe8
        • 2.Se5#
        • 2.Sf2#
      • 1...Qf8
        • 2.Sf2#
      • 1...Bd2
        • 2.Se1#
        • 2.Sfg1#
        • 2.Sxd2#
        • 2.Sh2#
        • 2.Sd4#
        • 2.Sh4#
        • 2.Se5#
        • 2.Sfg5#
        • 2.Sf2#
      • 1...Bb6
        • 2.Se1#
        • 2.Sfg1#
        • 2.Sd2#
        • 2.Sh2#
        • 2.Sd4#
        • 2.Sh4#
        • 2.Se5#
        • 2.Sfg5#

There are these versions: 134915

There are these afters: 134916

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 16
    • REMOVED MATES = 0
  • Sets
  • Actual
    • K(A);S_FLIGHT
    • Threat
      • DUALS(9)
    • Vars
      • Q(c);CHECK::B(D)+S(B),XQ(c)
      • Q(c);CHECK::B(D)+S(B)
      • B(b);CHECK::B(D)+S(B),XB(b)
      • B(b);CHECK::B(D)+S(B)
      • Q(c);::S(C)
      • Q(c);::B(D)+S(B),XQ(c)
      • Q(c);P_PINS(B)::S(C)
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