MESON Chess Problem Database

Problem Display
PID: 230654 (K1BQ4/5P1r/2Pp3P/nP1kN3/1p1p1P2/8/2pN2p1/1b6 w - - 0 1)

Magini, Fabio

Best Problems, 2021

K1BQ4/5P1r/2Pp3P/nP1kN3/1p1p1P2/8/2pN2p1/1b6

#2

10 + 9

SOLUTION

  • SOUND
  • Keys
    • 1.Qg5!
      • threat
        • 2.Sd3#
        • 2.Sef3#
        • 2.Sec4#
        • 2.Sg4#
        • 2.Sg6#
      • 1...Kc5
        • 2.Sd7#
      • 1...Rxf7
        • 2.Sxf7#
      • 1...Sxc6
        • 2.Sxc6#
      • 1...dxe5
        • 2.Qxe5#
      • 1...d3
        • 2.Sef3#
      • 1...c1Q
        • 2.Sd3#
      • 1...c1S
        • 2.Sd3#
      • 1...c1B
        • 2.Sd3#
      • 1...c1R
        • 2.Sd3#
      • 1...g1Q
        • 2.Sg4#
      • 1...g1R
        • 2.Sg4#
      • 1...Rg7
        • 2.Sg6#
      • 1...Sc4
        • 2.Sexc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 13
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(J);N_PINP(h)
    • Threat
      • DUALS(5)
    • Vars
      • K(g);P-FLIGHT::QAR(J)+S(D),DCHECK
      • R(i);XP(G)::QAR(J)+S(D),XR(i)
      • S(f);XP(E)::QAR(J)+S(D),XS(f)
      • P(h);OGATE,P_SPINP(h),XS(D)::QAR1(J),XP(h)
      • P(e);::QAR(J)+S(D)
      • P(b);::QAR(J)+S(D)
      • P(c);::QAR(J)+S(D)
      • R(i);::QAR(J)+S(D)
      • S(f);::QAR(J)+S(D),XS(f)
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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).