MESON Chess Problem Database

Problem Display
PID: 41866 (7Q/8/8/3N4/1p6/p7/k7/n1K5 w - - 0 1)

Portilla, Vincente Maria Norberto

Source?, 0000

7Q/8/8/3N4/1p6/p7/k7/n1K5

#3

3 + 4

3498 Chess Problems by V. M. N. Portilla 1873
14986 White-Hume Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...b3
      • 2.Sc3#
      • 2.Sb4#
  • Tries
    • 1.Qh2+?
      • 1...Sc2
        • 2.Qxc2+
          • 2...Ka1
            • 3.Qb1#
      • 1...Kb3!
    • 1.Qh7?
      • threat
        • 2.Qb1#
      • 1...Kb3
        • 2.Qe4
          • 2...Ka2
            • 3.Qb1#
          • 2...Ka4
            • 3.Qxb4#
          • 2...Sc2
            • 3.Qxc2#
          • 2...a2
            • 3.Qxb4#
      • 1...Sc2
        • 2.Qxc2+
          • 2...Ka1
            • 3.Qb1#
      • 1...Sb3+!
    • 1.Qg8?
      • threat
        • 2.Sc3#
        • 2.Sxb4#
      • 1...Kb3
        • 2.Sb6+
          • 2...Kc3
            • 3.Qc4#
      • 1...Sc2
        • 2.Sc3+
          • 2...Ka1
            • 3.Qa2#
        • 2.Sxb4+
          • 2...Ka1
            • 3.Sxc2#
            • 3.Qa2#
      • 1...Sb3+!
  • Keys
    • 1.Qxa1+!
      • 1...Kxa1
        • 2.Sxb4
          • 2...a2
            • 3.Sc2#
      • 1...Kb3
        • 2.Sb6
          • 2...a2
            • 3.Qb2#

FEATURES

NOT CLASSIFIED
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).