MESON Chess Problem Database

Problem Display
PID: 201435 (5B2/1B1p1Qn1/1n2q3/1p2p1r1/2k3Np/5R1K/2N5/8 w - - 0 1)

Jakab, Arpad

3rd Prize, Budai Sakkozo Tarsasag, 1922

5B2/1B1p1Qn1/1n2q3/1p2p1r1/2k3Np/5R1K/2N5/8

#2

7 + 9

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sf5
      • 2.Sxe5#
    • 1...d6
      • 2.Qc7#
  • Keys
    • 1.Ra3!
      • threat
        • 2.Qf1#
      • 1...Qxf7
        • 2.Sge3#
      • 1...d6
        • 2.Qc7#
      • 1...Qd5
        • 2.Sge3#
      • 1...Rf5
        • 2.Sge3#
      • 1...Sf5
        • 2.Sxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(i);N_PINS(D)::S(D),XP(d)
    • P(h);OGATE::QAR(F)
  • Actual
    • R(B);
    • Threat
      • QAB(F)
    • Vars
      • Q(g);N_PINS(D),N_SPINQ(g),XQ(F)::S(D)
      • P(h);OGATE::QAR(F)
      • Q(g);N_PINS(D)::S(D)
      • R(e);N_PINS(D)::S(D)
      • S(i);N_PINS(D)::S(D),XP(d)
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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).