MESON Chess Problem Database

Problem Display
PID: 32229 (4N3/1p2Kp2/1k1N1Q2/8/8/8/8/8 w - - 0 1)

Bull, Cecil Alfred Lucas

Natal Mercury, 1915

4N3/1p2Kp2/1k1N1Q2/8/8/8/8/8

#3

4 + 3

133 The Problemist Supplement 2007

SOLUTION

  • SOUND
  • Tries
    • 1.Qb2+?
      • 1...Ka6
        • 2.Sc7+
          • 2...Ka5
            • 3.Qb5#
          • 2...Ka7
            • 3.Qxb7#
        • 2.Qb5+
          • 2...Ka7
            • 3.Qxb7#
        • 2.Qxb7+
          • 2...Ka5
            • 3.Qb5#
      • 1...Kc5!
    • 1.Qd4+?
      • 1...Ka5
        • 2.Sc7
          • threat
            • 3.Sxb7#
          • 2...b5
            • 3.Sb7#
          • 2...b6
            • 3.Sb7#
      • 1...Ka6
        • 2.Sc7+
          • 2...Ka5
            • 3.Sxb7#
      • 1...Kc6!
    • 1.Qe5?
      • threat
        • 2.Qb5+
          • 2...Ka7
            • 3.Qxb7#
      • 1...Ka6
        • 2.Qb5+
          • 2...Ka7
            • 3.Qxb7#
      • 1...Ka7!
    • 1.Qf5?
      • threat
        • 2.Qb5+
          • 2...Ka7
            • 3.Qxb7#
      • 1...Ka6
        • 2.Qb5+
          • 2...Ka7
            • 3.Qxb7#
      • 1...Ka7!
  • Keys
    • 1.Sc7!
      • 1...Ka5
        • 2.Qd4
          • threat
            • 3.Sxb7#
          • 2...b5
            • 3.Sb7#
          • 2...b6
            • 3.Sb7#
      • 1...Kc5
        • 2.Qc3+
          • 2...Kb6
            • 3.Sc8#
      • 1...Kc6
        • 2.Qc3+
          • 2...Kb6
            • 3.Sc8#
      • 1...Ka7
        • 2.Sdb5+
          • 2...Kb8
            • 3.Qh8#
      • 1...Kxc7
        • 2.Sb5+
          • 2...Kb8
            • 3.Qh8#
          • 2...Kc8
            • 3.Qh8#

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).