MESON Chess Problem Database

Problem Display
PID: 199979 (n7/1K4N1/3N2p1/2Pk2p1/3P4/8/4pQ2/8 w - - 0 1)

Bottger, Horst

Der neue Tag (Weiden)/Amberger Zeitung, 2001

(First published on Sat Jun 23 2001)

n7/1K4N1/3N2p1/2Pk2p1/3P4/8/4pQ2/8

#2

6 + 5

16210 Problemschach-Jahrbuch (2001) 2002

SOLUTION

  • SOUND
  • Tries
    • 1.Qxe2?
      • threat
        • 2.Qc4#
        • 2.Qe4#
        • 2.Qe5#
      • 1...Sb6
        • 2.Qe4#
        • 2.Qe5#
      • 1...Kxd4!
  • Keys
    • 1.Se6!
      • 1...Kxe6
        • 2.Qf7#
      • 1...e1Q
        • 2.Qa2#
      • 1...e1S
        • 2.Qa2#
      • 1...e1B
        • 2.Qa2#
      • 1...e1R
        • 2.Qa2#
      • 1...Sb6
        • 2.Sc7#
      • 1...Sc7
        • 2.Sxc7#
      • 1...g4
        • 2.Sf4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);XP(a)
      • Threat
        • DUALS(3)
      • Refutation
        • K(b);P-FLIGHT,XP(B)
  • Actual
    • S(F);
    • Vars
      • K(b);OGATEB,S_FLIGHT,XS(F)::QAB1(A)
      • P(a);OGATE::QAB(A)
      • S(e);N_GUARD::S(F)
      • S(e);N_GUARD::S(F),XS(e)
      • P(c);N_GUARD::S(F)
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