MESON Chess Problem Database

Problem Display
PID: 144335 (1b3nK1/5Qp1/6r1/5B1p/p3R3/Rb3kpN/1rp3p1/8 w - - 0 1)

Henriksen, Thorleif Cammillo

Magyar Sakkvilag, 1931

1b3nK1/5Qp1/6r1/5B1p/p3R3/Rb3kpN/1rp3p1/8

#2

6 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Re6
      • 2.Qxh5#
    • 1...Ba7
      • 2.Bxg6#
  • Keys
    • 1.Re1!
      • threat
        • 2.Qd5#
      • 1...Rg4
        • 2.Be4#
      • 1...Rd6
        • 2.Be6#
      • 1...Re6
        • 2.Qxh5#
      • 1...Se6
        • 2.Qb7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • R(i);N_PINQ(E)::QAB(E),XP(h)
    • B(k);N_GUARD::QAR(E)+B(D),XR(i)
  • Actual
    • R(C);
    • Threat
      • QAB(E)
    • Vars
      • R(i);SBLOCK::QAR(E)+B(D),DCHECK
      • R(i);N_GUARD,S_CUTB(k)::QAR(E)+B(D)
      • R(i);N_PINQ(E)::QAB(E),XP(h)
      • S(l);N_PINQ(E)::QAB(E)
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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).