MESON Chess Problem Database

Problem Display
PID: 234767 (K7/8/k2p4/p2p4/2P4Q/8/8/8 w - - 0 1)

Lincoln, Robert A

Kudesnik, 2015

K7/8/k2p4/p2p4/2P4Q/8/8/8

#2

3 + 4

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Qh7?
      • threat
        • 2.Qa7#
        • 2.Qb7#
      • 1...dxc4
        • 2.Qb7#
      • 1...a4
        • 2.Qa7#
      • 1...Kb6!
  • Keys
    • 1.Qe7!
      • threat
        • 2.Qxd6#
        • 2.Qa7#
        • 2.Qb7#
      • 1...Kb6
        • 2.Qxd6#
      • 1...dxc4
        • 2.Qb7#
      • 1...a4
        • 2.Qa7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • P(b);XP(A)::QAB1(B)
        • P(a);::QAR1(B)
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • Q(B);
    • Threat
      • DUALS(3)
    • Vars
      • K(c);P-FLIGHT::QAR2(B),XP(d)
      • P(b);XP(A)::QAB1(B)
      • P(a);::QAR1(B)
HTML5 logo

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).