MESON Chess Problem Database

Problem Display
PID: 57341 (b5r1/2pN4/5N1B/K1Q1P1q1/2p2kP1/p1n1n3/4P2P/6rB w - - 0 1)

Henriksen, Thorleif Cammillo

2nd Prize, Brisbane Courier, 1919-1920

b5r1/2pN4/5N1B/K1Q1P1q1/2p2kP1/p1n1n3/4P2P/6rB

#2

10 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Scd5
      • 2.Qd4#
    • 1...Sed5
      • 2.Qf2#
  • Keys
    • 1.e6!
      • threat
        • 2.Qe5#
      • 1...Sxg4
        • 2.Sh5#
      • 1...Bd5
        • 2.Qxc7#
      • 1...Scd5
        • 2.Qd4#
      • 1...Sed5
        • 2.Qf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(c);N_GUARD,S_CUTB(i)::QAR2(F)
    • S(d);OGATE::QAR2(F)
  • Actual
    • P(G);P_SPINQ(F)
    • Threat
      • QAB1(F)
    • Vars
      • S(d);SBLOCK,XP(D)::S(H)
      • B(i);N_PINQ(F)::QAB(F),XP(h)
      • S(c);N_PINQ(F)::QAR2(F)
      • S(d);N_PINQ(F)::QAR2(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).