MESON Chess Problem Database

Problem Display
PID: 198852 (8/2p5/Kb5B/1Qp4R/4k3/1N3p2/1Nrrqn2/1B1bRn2 w - - 0 1)

Tuxen, Harri Viggo

Brisbane Courier, 1921

8/2p5/Kb5B/1Qp4R/4k3/1N3p2/1Nrrqn2/1B1bRn2

#2

8 + 11

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Qxe1
      • 2.Qe8#
    • 1...Qe3
      • 2.Qe8#
    • 1...Rd3
      • 2.Qe8#
    • 1...Sd3
      • 2.Qc6#
    • 1...c4
      • 2.Re5#
      • 2.Qe8#
      • 2.Qe5#
      • 2.Qf5#
  • Keys
    • 1.Sa4!
      • threat
        • 2.Sc3#
      • 1...c4
        • 2.Qf5#
      • 1...Rd3
        • 2.Qe8#
      • 1...Ba5
        • 2.Saxc5#
      • 1...Sd3
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • Q(e);N_PINQ(E),N_SPINQ(e),XR(B)::QAR(E)
    • Q(e);N_PINQ(E)::QAR(E)
    • R(d);N_PINQ(E),N_SPINR(c)::QAR(E)
    • S(f);N_PINQ(E),N_SPINR(c)::QAB(E)
  • Actual
    • S(C);
    • Threat
      • S(C)
    • Vars
      • P(i);N_PINQ(E)::QAB1(E)
      • R(d);N_PINQ(E),N_SPINR(c),SBLOCK::QAR(E)
      • B(j);N_GUARD::S(C),XP(i)
      • S(f);N_PINQ(E),N_SPINR(c),SBLOCK::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).