MESON Chess Problem Database

Problem Display
PID: 93139 (K7/4p3/2Q5/p3N1NR/5k2/3Pp3/6n1/5r1b w - - 0 1)

Feigl, Maximilian

Tidskrift for Schack, 1906

K7/4p3/2Q5/p3N1NR/5k2/3Pp3/6n1/5r1b

#2

6 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kf5
      • 2.Sh3#
  • Tries
    • 1.Qf6+?
      • 1...Kg3
        • 2.Se4#
        • 2.Rh3#
      • 1...exf6!
  • Keys
    • 1.Qh6!
      • threat
        • 2.Se4#
      • 1...Kg3
        • 2.Se4#
      • 1...Kxe5
        • 2.Sf3#
      • 1...Kf5
        • 2.Sgf3#
        • 2.Sh3#
        • 2.Se4#
        • 2.Se6#
        • 2.Sgf7#
        • 2.Sh7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • K(e);P-FLIGHT::R(D)+S(C)
  • Tries
    • Try
      • Q(E);CHECK
      • Refutation
        • P(g);XQ(E)
  • Actual
    • Q(E);
    • Threat
      • QAB(E)+S(C)
    • Vars
      • K(e);S_FLIGHT::S(C)
      • K(e);S_FLIGHT,XS(B)::R(D)+S(C),DCHECK
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