MESON Chess Problem Database

Problem Display
PID: 193879 (3Q4/8/2B5/1bpp4/2R5/pk6/3P4/1K6 w - - 0 1)

Saska, Istvan

Pesti Naplo, 1916

3Q4/8/2B5/1bpp4/2R5/pk6/3P4/1K6

#2

5 + 5

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Keys
    • 1.Qa5!
      • threat
        • 2.Rc3#
        • 2.Qc3#
        • 2.Qxb5#
      • 1...a2+
        • 2.Qxa2#
      • 1...Kxc4
        • 2.Qc3#
      • 1...Bxc4
        • 2.Ba4#
        • 2.Qc3#
        • 2.Qa4#
      • 1...Bxc6
        • 2.Rc3#
        • 2.Qc3#
      • 1...dxc4
        • 2.Qxb5#
      • 1...Ba4
        • 2.Rc3#
        • 2.Qc3#
        • 2.Qxa4#
      • 1...Ba6
        • 2.Rc3#
        • 2.Qc3#
        • 2.Qa4#
      • 1...d4
        • 2.Qxb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(E);
    • Threat
      • DUALS(3)
    • Vars
      • P(a);CHECK,OGATE::QAB1(E),XP(a)
      • K(b);S_FLIGHT,XR(C)::QAR1(E)
      • P(e);XR(C)::QAR2(E),XB(c)
      • P(e);::QAR2(E),XB(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).