MESON Chess Problem Database

Problem Display
PID: 240362 (2N5/B1b1p3/2P2p2/1P1krn1R/7n/1P2p3/8/KB4Q1 w - - 0 1)

Pituk, Alexander

Tijdschrift vd KNSB, 1948

2N5/B1b1p3/2P2p2/1P1krn1R/7n/1P2p3/8/KB4Q1

#2

9 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ke6
      • 2.Qg8#
  • Keys
    • 1.Qg4!
      • threat
        • 2.Qc4#
      • 1...Ke6
        • 2.Qg8#
      • 1...Re4
        • 2.Qxe4#
      • 1...Re6
        • 2.Qd4#
      • 1...Sd4
        • 2.Be4#
      • 1...Sd6
        • 2.Sxe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT::QAB(C)
  • Actual
    • Q(C);
    • Threat
      • QAB1(C)
    • Vars
      • K(c);P_SPINS(e),S_FLIGHT::QAB(C)
      • R(d);N_GUARD,P_SPINS(e)::QAB1(C),XR(d)
      • R(d);P_SPINS(e),SBLOCK::QAR1(C)
      • S(e);P_SPINR(d)::B(B)
      • S(e);N_GUARD,P_SPINR(d),SBLOCK::S(I),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).