MESON Chess Problem Database

Problem Display
PID: 221373 (K6B/6Q1/5r2/3p4/1N3npb/1R2n2q/N4p2/k4b1R w - - 0 1)

Clark, Cecil Henry Douglas

British Chess Magazine, 1926

K6B/6Q1/5r2/3p4/1N3npb/1R2n2q/N4p2/k4b1R

#2

7 + 10

SOLUTION

  • SOUND
  • Tries
    • 1.Qxf6+?
      • 1...d4
        • 2.Qxd4#
      • 1...Bxf6!
  • Keys
    • 1.Qa7!
      • threat
        • 2.Qd4#
      • 1...Sd1
        • 2.Sc2#
      • 1...Sc2
        • 2.Sxc2#
      • 1...Seg2
        • 2.Sc2#
      • 1...Sc4
        • 2.Sc2#
      • 1...Sf5
        • 2.Sc2#
      • 1...Se2
        • 2.Sc1#
      • 1...Sd3
        • 2.Sc1#
      • 1...Se6
        • 2.Sc3#
      • 1...d4
        • 2.Qxd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);CHECK,XR(j)
      • Vars
        • P(i);P_SPINP(i)::QAB(E),XP(i)
      • Refutation
        • B(h);XQ(E)
  • Actual
    • Q(E);
    • Threat
      • QAB(E)
    • Vars
      • S(d);N_GUARD,N_SPINB(b)::S(D)
      • S(d);N_GUARD::S(D),XS(d)
      • S(d);N_GUARD::S(D)
      • S(f);::QAR(E)+S(B)
      • P(i);N_SPINR(j)::QAB(E),XP(i)
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