MESON Chess Problem Database

Problem Display
PID: 154514 (3R3r/7n/1Pk1P3/Pp2K3/3pN3/5B2/2ppP2B/2q4n w - - 0 1)

McWilliam, Robert C

Chessics, 1984

3R3r/7n/1Pk1P3/Pp2K3/3pN3/5B2/2ppP2B/2q4n

#2

9 + 9

15393 McWilliam Scrapbook 2015

SOLUTION

  • SOUND
  • Sets
    • 1...Kb7
      • 2.Sc5#
  • Keys
    • 1.Kxd4!
      • threat
        • 2.Sxd2#
        • 2.Sf2#
        • 2.Sc3#
        • 2.Sg3#
        • 2.Sc5#
        • 2.Sg5#
        • 2.Sd6#
        • 2.Sf6#
      • 1...Qb2+
        • 2.Sc3#
      • 1...Qa1+
        • 2.Sc3#
      • 1...Qg1+
        • 2.Sf2#
      • 1...Rxd8+
        • 2.Sd6#
      • 1...d1Q+
        • 2.Sd2#
      • 1...d1R+
        • 2.Sd2#
      • 1...Kb7
        • 2.Sc5#
      • 1...b4
        • 2.Sc3#
        • 2.Sd6#
      • 1...d1S
        • 2.Sd2#
        • 2.Sf2#
        • 2.Sc3#
        • 2.Sg3#
        • 2.Sc5#
        • 2.Sg5#
        • 2.Sd6#
        • 2.Sf6#
      • 1...d1B
        • 2.Sd2#
        • 2.Sf2#
        • 2.Sc3#
        • 2.Sg3#
        • 2.Sc5#
        • 2.Sg5#
        • 2.Sd6#
        • 2.Sf6#
      • 1...Qa3
        • 2.Sc3#
      • 1...Qf1
        • 2.Sf2#
      • 1...Rf8
        • 2.Sf6#
      • 1...Sf2
        • 2.Sxf2#
      • 1...Sg3
        • 2.Sxg3#
      • 1...Sg5
        • 2.Sxg5#
      • 1...Sf6
        • 2.Sxf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 13
    • REMOVED MATES = 0
  • Sets
    • K(g);S_FLIGHT::B(C)+S(D),DCHECK
  • Actual
    • K(F);S_FLIGHT,XP(e)
    • Threat
      • DUALS(8)
    • Vars
      • Q(a);CHECK::B(C)+S(D)
      • R(i);CHECK,XR(I)::B(C)+S(D)
      • P(d);CHECK::B(C)+S(D)
      • K(g);S_FLIGHT::B(C)+S(D),DCHECK
      • Q(a);::B(C)+S(D)
      • R(i);::B(C)+S(D)
      • S(b);::B(C)+S(D),XS(b)
      • S(h);::B(C)+S(D),XS(h)
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