MESON Chess Problem Database

Problem Display
PID: 264527 (4K2B/8/8/2N1pk2/8/6Q1/2P5/8 w - - 0 1)

Zimmer, Eligiusz

Schweizerische Schachzeitung, 2011

4K2B/8/8/2N1pk2/8/6Q1/2P5/8

#2

5 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Sb3?
      • 1...Ke6
        • 2.Qxe5#
      • 1...e4
        • 2.Sd4#
      • 1...Ke4!
    • 1.Se4?
      • 1...Ke6
        • 2.Qxe5#
      • 1...Kxe4!
  • Keys
    • 1.Se6!
      • 1...Ke4
        • 2.Qd3#
      • 1...Kxe6
        • 2.Qxe5#
      • 1...e4
        • 2.Sd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Vars
        • K(b);N_GUARD,S_FLIGHT::QAR1(B),XP(a)
        • P(a);N_GUARD,SBLOCK::S(C)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(C);
      • Vars
        • K(b);N_GUARD,S_FLIGHT::QAR1(B),XP(a)
      • Refutation
        • K(b);S_FLIGHT,XS(C)
  • Actual
    • S(C);
    • Vars
      • K(b);N_GUARD,S_CUTP(a),S_FLIGHT::QAB1(B)
      • K(b);N_GUARD,S_FLIGHT,XS(C)::QAR1(B),XP(a)
      • P(a);N_GUARD,SBLOCK::S(C)
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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).