MESON Chess Problem Database

Problem Display
PID: 91255 (B2N1Rq1/2R5/1P1kp3/p2N4/3p1r2/1Q3n1r/K2p4/B6b w - - 0 1)

Swane, Jan Arnold Willem

Die Schwalbe, 1948

B2N1Rq1/2R5/1P1kp3/p2N4/3p1r2/1Q3n1r/K2p4/B6b

#2

9 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Se5
      • 2.Sb7#
    • 1...d3
      • 2.Sb7#
    • 1...e5
      • 2.Qa3#
  • Keys
    • 1.Se3!
      • threat
        • 2.Sc4#
      • 1...Ke5
        • 2.Sc4#
      • 1...dxe3
        • 2.Sb7#
      • 1...Se5
        • 2.Qa3#
      • 1...d3
        • 2.Sb7#
      • 1...e5
        • 2.Sb7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(c);SBLOCK::S(H)
    • P(e);::S(H)
    • P(i);SBLOCK::QAB(C)
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • K(h);P_SPINP(e),S_FLIGHT::S(D)
      • P(e);XS(D)::S(H)
      • S(c);SBLOCK::QAB(C)
      • P(e);::S(H)
      • P(i);P_PINQ(C),SBLOCK::S(H)
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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).