MESON Chess Problem Database

Problem Display
PID: 81843 (2bbB3/1R2Pn2/2Pprp2/KQ2PkNP/R5n1/4PN2/3P1pPq/5r2 w - - 0 1)

Petrovic, Nenad

Die Schwalbe, 1931

2bbB3/1R2Pn2/2Pprp2/KQ2PkNP/R5n1/4PN2/3P1pPq/5r2

#2

14 + 11

56 The Problemist 2008

SOLUTION

  • SOUND
  • Keys
    • 1.exd8Q!
      • threat
        • 2.Qd3#
      • 1...Qxe5
        • 2.Rf4#
      • 1...Rxe5
        • 2.Qxc8#
      • 1...Sgxe5
        • 2.g4#
      • 1...Sfxe5
        • 2.Bg6#
      • 1...Sxg5
        • 2.Bg6#
      • 1...dxe5
        • 2.Qdd3#
      • 1...fxe5
        • 2.Sd4#
      • 1...Qf4
        • 2.Rxf4#

FEATURES

  • Static
    • TYPE = WHITE_IN_CHECK
  • Actual
    • P(M);XB(k)
    • Threat
      • QAB(G)
    • Vars
      • Q(c);N_GUARD,P_PINQ(G),P_SPINQ(c),XP(H)::R1(E)
      • R(g);OGATEB,P_PINQ(G),P_SPINR(g),XP(H)::QAB(M),XB(j)
      • S(d);OGATE,P_SPINS(d),XP(H)::P(B)
      • S(i);OGATE,P_SPINS(i),XP(H)::B(N)
      • S(i);OGATE,XS(I)::B(N)
      • P(f);OGATE,P_SPINP(f),XP(H)::QAB(M)
      • P(h);P_SPINP(h),XP(H)::S(D)
      • Q(c);N_GUARD::R1(E),XQ(c)
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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).