MESON Chess Problem Database

Problem Display
PID: 165570 (B1R3b1/7Q/3PnPp1/1pN5/Pp1kp1K1/r2p4/R2N1P1B/2n5 w - - 0 1)

Fasano, Alessandro

Probleemblad, 2016

B1R3b1/7Q/3PnPp1/1pN5/Pp1kp1K1/r2p4/R2N1P1B/2n5

#2

12 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Kc3
      • 2.Sxe6#
    • 1...Bxh7
      • 2.Sxe6#
  • Keys
    • 1.Qa7!
      • threat
        • 2.Scb3#
        • 2.Sxe6#
      • 1...Kc3
        • 2.Scxe4#
        • 2.Sxe6#
      • 1...Sxc5
        • 2.Qxc5#
      • 1...Sf4
        • 2.Sd7#
      • 1...Rb3
        • 2.Scxb3#
        • 2.Sxe6#
      • 1...Sb3
        • 2.Scxb3#
        • 2.Sxe6#
      • 1...Sg5
        • 2.Scb3#
        • 2.Scxe4#
        • 2.Sa6#
        • 2.Se6#
        • 2.Sd7#
      • 1...Sc7
        • 2.Scxe4#
      • 1...Sg7
        • 2.Scb3#
        • 2.Scxe4#
        • 2.Sa6#
        • 2.Se6#
        • 2.Sd7#
      • 1...Sd8
        • 2.Scb3#
        • 2.Scxe4#
        • 2.Sa6#
        • 2.Se6#
        • 2.Sd7#
      • 1...Sf8
        • 2.Scb3#
        • 2.Scxe4#
        • 2.Sa6#
        • 2.Se6#
        • 2.Sd7#
      • 1...b3
        • 2.Scxb3#
        • 2.Sxe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • K(e);S_FLIGHT::R(L)+S(G),XS(h)
    • B(j);N_GUARD,XQ(J)::S(G),XS(h)
  • Actual
    • Q(J);
    • Threat
      • DUALS(2)
    • Vars
      • S(h);OGATE,P_SPINS(h),XS(G)::QAB1(J),XS(h)
      • S(h);N_GUARD::QAB(J)+S(G)
      • S(h);N_GUARD::QAB(J)+S(G),XP(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).