MESON Chess Problem Database

Problem Display
PID: 208173 (Q7/4B3/2N1b3/8/2p1k1p1/6P1/4K3/8 w - - 0 1)

Zagyva, Imre

Magyarorszag es a Nagyvilag, 1875

Q7/4B3/2N1b3/8/2p1k1p1/6P1/4K3/8

#2

5 + 4

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qa1?
      • threat
        • 2.Qe5#
      • 1...Kd5
        • 2.Qh1#
      • 1...Kf5
        • 2.Qb1#
      • 1...c3!
    • 1.Qb8?
      • threat
        • 2.Qe5#
      • 1...Kf5
        • 2.Qb1#
      • 1...Kd5!
  • Keys
    • 1.Qh8!
      • threat
        • 2.Qe5#
      • 1...Kd5
        • 2.Qh1#
      • 1...Kf5
        • 2.Qh7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);
      • Threat
        • QAR1(E)
      • Vars
        • K(b);S_FLIGHT::QAB(E)
      • Refutation
        • P(a);
    • Try
      • Q(E);
      • Threat
        • QAR1(E)
      • Vars
        • K(b);S_FLIGHT::QAB(E)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(E);
    • Threat
      • QAR1(E)
    • Vars
      • K(b);S_FLIGHT::QAB(E)
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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).