MESON Chess Problem Database

Problem Display
PID: 224755 (1n6/2K1N3/pp2k1P1/4p1b1/p4R2/5R2/8/6Q1 w - - 0 1)

von Blumenburg, Otto

Wiener Hausfrauen-Zeitung, 1888

1n6/2K1N3/pp2k1P1/4p1b1/p4R2/5R2/8/6Q1

#2

6 + 7

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...e4
      • 2.Rxe4#
  • Tries
    • 1.Qc5?
      • threat
        • 2.Qd6#
      • 1...Bxe7
        • 2.Qc4#
      • 1...bxc5!
  • Keys
    • 1.Qd4!
      • threat
        • 2.Qd6#
      • 1...Kxe7
        • 2.Qxe5#
      • 1...Bxe7
        • 2.Qc4#
      • 1...exd4
        • 2.Re4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • P(b);OGATEB::R(C),XP(b)
  • Tries
    • Try
      • Q(A);
      • Threat
        • QAR1(A)
      • Vars
        • B(c);SBLOCK,XS(F)::QAB(A)
      • Refutation
        • P(e);XQ(A)
  • Actual
    • Q(A);
    • Threat
      • QAR1(A)
    • Vars
      • K(f);P-FLIGHT,XS(F)::QAR2(A),XP(b)
      • B(c);SBLOCK,XS(F)::QAB(A)
      • P(b);OGATEB,XQ(A)::R(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).