MESON Chess Problem Database

Problem Display
PID: 154383 (r3kN2/1p4pN/p2ppQ1p/1n2p3/p2n1P2/PPP1P1bK/b1P3PP/1B2q3 w - - 0 1)

Hannemann, Knud Harald

Die Schwalbe, 1935

r3kN2/1p4pN/p2ppQ1p/1n2p3/p2n1P2/PPP1P1bK/b1P3PP/1B2q3

#2

13 + 15

4035 Aarsskrift for DSK 1935

SOLUTION

  • SOUND
  • Tries
    • 1.Qxe6+?
      • 1...Kd8
        • 2.Qd7#
      • 1...Sxe6!
    • 1.Qf7+?
      • 1...Kd8
        • 2.Qd7#
      • 1...Kxf7!
  • Keys
    • 1.Qxg7!
      • threat
        • 2.Qd7#
      • 1...Kd8
        • 2.Qd7#
      • 1...Rd8
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(K);CHECK,XP(j)
      • Vars
        • K(o);P-FLIGHT::QAR1(K)
      • Refutation
        • S(e);XQ(K)
    • Try
      • Q(K);CHECK
      • Vars
        • K(o);P-FLIGHT::QAR1(K)
      • Refutation
        • K(o);S_FLIGHT,XQ(K)
  • Actual
    • Q(K);XP(m)
    • Threat
      • QAB1(K)
    • Vars
      • K(o);P-FLIGHT::QAR1(K)
      • R(n);SBLOCK::S(L)
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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).