MESON Chess Problem Database

Problem Display
PID: 11888 (8/8/P2p2P1/P1p1pP1R/P1n1kB2/Q1p1pN1N/B2b1RK1/8 w - - 0 1)

Haring, Jacobus

KNSB-100 JT, 1973

8/8/P2p2P1/P1p1pP1R/P1n1kB2/Q1p1pN1N/B2b1RK1/8

#2

13 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Kd3
      • 2.Bb1#
  • Keys
    • 1.Qb3!
      • threat
        • 2.Qxc4#
      • 1...Kd3
        • 2.Bb1#
      • 1...Kd5
        • 2.Qb7#
      • 1...Sxa5
        • 2.Qc2#
        • 2.Qd5#
      • 1...Sb2
        • 2.Qd5#
      • 1...Sa3
        • 2.Qd5#
      • 1...Sb6
        • 2.Qc2#
      • 1...d5
        • 2.Qc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • K(e);P_SPINP(b),S_FLIGHT::B(A)
  • Actual
    • Q(D);
    • Threat
      • QAR2(D),XS(d)
    • Vars
      • K(e);P_SPINP(b),S_FLIGHT::B(A)
      • K(e);P_SPINS(d),S_FLIGHT::QAB(D)
      • S(d);OGATE::QAB1(D)
      • S(d);::QAB(D)
      • P(h);SBLOCK::QAB(D)
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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).