MESON Chess Problem Database

Problem Display
PID: 215971 (Bn1R1NQ1/Nq1n1pK1/1r1r1p2/1PpkPR2/8/3P4/8/b5B1 w - - 0 1)

Witt, Andreas

Badische Neueste Nachrichten, 1997

Bn1R1NQ1/Nq1n1pK1/1r1r1p2/1PpkPR2/8/3P4/8/b5B1

#2

11 + 10

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sxe5
      • 2.Qxf7#
  • Tries
    • 1.exf6+?
      • 1...Se5
        • 2.Qxf7#
      • 1...Be5!
  • Keys
    • 1.Kxf7!
      • threat
        • 2.Qg2#
      • 1...Sxe5+
        • 2.Ke8#
      • 1...Sxf8+
        • 2.Kxf8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • S(h);P_SPINR(e),P_SPINS(h),XP(D)::QAB(K),XP(i)
  • Tries
    • Try
      • P(D);CHECK,P_SPINP(D),XP(f)
      • Vars
        • S(h);N_PINP(D),P_SPINR(e),P_SPINS(h)::QAB(K),XP(i)
      • Refutation
        • B(a);P_SPINB(a)
  • Actual
    • K(G);P-FLIGHT,XP(i)
    • Threat
      • QAB(K)
    • Vars
      • S(h);CHECK,P_SPINR(e),P_SPINS(h),XP(D)::QAB(K)+K(G)
      • S(h);CHECK,P_SPINR(e),XS(J)::QAB(K)+K(G),XS(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).