MESON Chess Problem Database

Problem Display
PID: 142030 (K4Q2/8/5N1P/3Rp3/3p1k2/b2B1nR1/2Pn3P/7b w - - 0 1)

von Duben, Gustaf Henrik

British Chess Magazine 06. Ty., 1890

K4Q2/8/5N1P/3Rp3/3p1k2/b2B1nR1/2Pn3P/7b

#2

9 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Ke3
      • 2.Sg4#
    • 1...Se1
      • 2.Sh5#
    • 1...Sg1
      • 2.Sh5#
    • 1...Sxh2
      • 2.Sh5#
    • 1...Sh4
      • 2.Sh5#
    • 1...Sg5
      • 2.Sh5#
  • Tries
    • 1.Rd6?
      • threat
        • 2.Sd5#
      • 1...Sxh2+
        • 2.Se4#
      • 1...Ke3
        • 2.Sg4#
      • 1...e4!
  • Keys
    • 1.Rc5!
      • threat
        • 2.Sd5#
      • 1...Sxh2+
        • 2.Se4#
      • 1...Ke3
        • 2.Sg4#
      • 1...e4
        • 2.Sg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • K(f);P_SPINS(d),S_FLIGHT::S(F)
    • S(d);P_PINR(E)::QAR(I)+S(F),DCHECK
    • S(d);P_PINR(E),XP(B)::QAR(I)+S(F),DCHECK
  • Tries
    • Try
      • R(E);
      • Threat
        • QAR(I)+S(F),DCHECK
      • Vars
        • S(d);CHECK,XP(B)::QAR(I)+S(F)
        • K(f);P_SPINS(d),S_FLIGHT::S(F)
      • Refutation
        • P(g);
  • Actual
    • R(E);
    • Threat
      • QAR(I)+S(F),DCHECK
    • Vars
      • S(d);CHECK,XP(B)::QAR(I)+S(F)
      • K(f);P_SPINS(d),S_FLIGHT::S(F)
      • P(g);::QAR(I)+S(F)
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