MESON Chess Problem Database

Problem Display
PID: 156983 (2Q5/4ppR1/4pk1K/4b2p/6r1/3P2PB/8/8 w - - 0 1)

Abdullayev, Elmar

KobulChess, 2014

2Q5/4ppR1/4pk1K/4b2p/6r1/3P2PB/8/8

#2

6 + 7

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Keys
    • 1.Qh8!
      • threat
        • 2.Rg5#
      • 1...Rg6+
        • 2.Rxg6#
      • 1...Kf5
        • 2.Rg5#
      • 1...Rxg7
        • 2.Qxg7#
      • 1...Rg5
        • 2.Rxg5#
        • 2.Rg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(F);
    • Threat
      • QAB(F)+R(E)
    • Vars
      • R(a);CHECK::QAB(F)+R(E),DCHECK,XR(a)
      • K(e);P-FLIGHT,P_SPINR(a)::R1(E)
      • R(a);OGATE,P_SPINR(a),XR(E)::QAB1(F),XR(a)
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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).