MESON Chess Problem Database

Problem Display
PID: 254598 (K2n4/8/Bp5r/1PpN1Qn1/1Pk1qRr1/2p5/2P2B2/1R3b2 w - - 0 1)

Feldbrugge, Johannes Hermanus Bernardus

Probleemblad, 1946

K2n4/8/Bp5r/1PpN1Qn1/1Pk1qRr1/2p5/2P2B2/1R3b2

#2

10 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Qd4
      • 2.Se3#
    • 1...Sh3
      • 2.Qxe4#
    • 1...Sgf7
      • 2.Qxe4#
    • 1...Sh7
      • 2.Qxe4#
    • 1...Sc6
      • 2.Sxb6#
    • 1...cxb4
      • 2.Rxb4#
  • Keys
    • 1.bxc5!
      • threat
        • 2.Rb4#
      • 1...bxc5
        • 2.b6#
      • 1...Qd4
        • 2.Se3#
      • 1...Sc6
        • 2.Sxb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • Q(d);N_PINS(G)::S(G)
    • S(g);N_GUARD::QAR2(H),XQ(d)
    • S(j);N_PINS(G)::S(G),XP(h)
    • P(f);OGATE,XP(D)::R1(A),XP(f)
  • Actual
    • P(D);XP(f)
    • Threat
      • R1(A)
    • Vars
      • P(h);OGATE,XP(D)::B(I)+P(F)
      • Q(d);N_PINS(G)::S(G)
      • S(j);N_PINS(G)::S(G),XP(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).