MESON Chess Problem Database

Problem Display
PID: 20894 (8/2Q5/k7/2nB4/2p5/8/bP6/6K1 w - - 0 1)

Moravec, Josef

Narodni listy, 1913

8/2Q5/k7/2nB4/2p5/8/bP6/6K1

#2

4 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Bb1
      • 2.Bxc4#
    • 1...Sb3
      • 2.Bxc4#
  • Keys
    • 1.b4!
      • threat
        • 2.Qa5#
      • 1...Kb5
        • 2.Qa5#
      • 1...cxb4 ep
        • 2.Bc4#
      • 1...Sb7
        • 2.Qxb7#
      • 1...Sb3
        • 2.Bxc4#
        • 2.Qb7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • B(a);N_GUARD::B(C),XP(b)
    • S(c);S_CUTB(a)::B(C),XP(b)
  • Actual
    • P(B);
    • Threat
      • QAR1(D)
    • Vars
      • K(d);S_FLIGHT::QAR1(D)
      • P(b);EP,S_CUTB(a),XP(B)::B(C)
      • S(c);N_GUARD::QAB1(D),XS(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).