MESON Chess Problem Database

Problem Display
PID: 19291 (8/2K5/p1n2p2/2p1k3/1nB5/3Pp1P1/8/3Q4 w - - 0 1)

Tuzar, Vaclav

Nove parizske mody, 1889

8/2K5/p1n2p2/2p1k3/1nB5/3Pp1P1/8/3Q4

#2

5 + 7

5584 Galerie Ceskoslovenskych Skladatelu 01 1965

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qa1#
    • 1...Kf5
      • 2.Qh5#
  • Tries
    • 1.Qh5+?
      • 1...f5
        • 2.Qh8#
      • 1...Kd4!
  • Keys
    • 1.Qh1!
      • threat
        • 2.Qe4#
      • 1...Sd5+
        • 2.Qxd5#
      • 1...Kd4
        • 2.Qa1#
      • 1...Kf5
        • 2.Qh5#
      • 1...Sxd3
        • 2.Qd5#
      • 1...f5
        • 2.Qh8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(d);S_FLIGHT::QAB(A)
    • K(d);P-FLIGHT::QAR2(A)
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • P(g);OGATEB,P_SPINP(g),SBLOCK::QAB(A)
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • Q(A);
    • Threat
      • QAR1(A)
    • Vars
      • S(b);CHECK,N_GUARD::QAR1(A),XS(b)
      • K(d);S_FLIGHT::QAB(A)
      • K(d);P-FLIGHT::QAR2(A)
      • S(b);N_GUARD,XP(B)::QAR1(A)
      • P(g);OGATEB,SBLOCK::QAB(A)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).