MESON Chess Problem Database

Problem Display
PID: 190201 (2b5/4P2B/3pNb2/QP1k4/2p2PP1/8/4P2K/8 w - - 0 1)

Papp, Istvan

Magyar Sakkvilag, 1913

2b5/4P2B/3pNb2/QP1k4/2p2PP1/8/4P2K/8

#2

9 + 5

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...c3
      • 2.Qa2#
  • Tries
    • 1.Bf5?
      • threat
        • 2.e4#
      • 1...c3
        • 2.Qa2#
      • 1...Bxe6!
  • Keys
    • 1.Qa7!
      • threat
        • 2.Sc7#
      • 1...Kxe6
        • 2.Bg8#
      • 1...Bxe6
        • 2.e4#
      • 1...c3
        • 2.Qa2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(a);OGATEB::QAB(E)
  • Tries
    • Try
      • B(I);
      • Threat
        • P(A)
      • Vars
        • P(a);OGATEB::QAB(E)
      • Refutation
        • B(e);XS(G)
  • Actual
    • Q(E);
    • Threat
      • S(G)
    • Vars
      • K(b);OGATEB,S_FLIGHT,XS(G)::B(I)
      • B(e);SBLOCK,XS(G)::P(A)
      • P(a);OGATEB::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).