MESON Chess Problem Database

Problem Display
PID: 101413 (B4K2/5Q2/8/N1P1R1N1/Rq1k4/2rn3n/1P3r2/6Bb w - - 0 1)

Pape, Edouard

Good Companions (October), 1918

B4K2/5Q2/8/N1P1R1N1/Rq1k4/2rn3n/1P3r2/6Bb

#2

10 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bf3
      • 2.Sxf3#
    • 1...Bc6
      • 2.Sxc6#
  • Keys
    • 1.Qf3!
      • threat
        • 2.Rd5#
      • 1...Kxe5
        • 2.Sc6#
      • 1...Rxc5
        • 2.Re4#
      • 1...Bxf3
        • 2.Sxf3#
      • 1...Sxe5
        • 2.Se6#
      • 1...Sdf4
        • 2.Qxc3#
      • 1...Shf4
        • 2.Qe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • B(a);N_GUARD,N_PINQ(H)::S(G),XB(a)
    • B(a);N_GUARD::S(D),XB(a)
  • Actual
    • Q(H);
    • Threat
      • R1(F)
    • Vars
      • K(g);N_SPINQ(f),N_SPINR(b),S_FLIGHT,XR(F)::S(D)
      • R(c);SBLOCK,XP(E)::R1(F)
      • B(a);XQ(H)::S(G),XB(a)
      • S(d);SBLOCK,XR(F)::S(G)
      • S(d);N_PINQ(H)::QAB1(H),XR(c)
      • S(e);N_PINQ(H)::QAB1(H)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).