MESON Chess Problem Database

Problem Display
PID: 275274 (8/7Q/8/2N5/p7/p7/r1p2N1K/rk6 w - - 0 1)

Dobbs, Gilbert S

The Problemist, 1934

8/7Q/8/2N5/p7/p7/r1p2N1K/rk6

#3

4 + 6

SOLUTION

  • SOUND
  • Tries
    • 1.Sd1?
      • 1...Rb2
        • 2.Sc3+
          • 2...Kc1
            • 3.Qh6#
      • 1...Kc1!
    • 1.Sxa4?
      • 1...Rb2
        • 2.Sc3+
          • 2...Kc1
            • 3.Qh6#
      • 1...Kc1!
    • 1.Qe4?
      • 1...Kc1
        • 2.Qe1+
          • 2...Kb2
            • 3.Sfd3#
        • 2.Qb4
          • threat
            • 3.Scd3#
          • 2...Rb2
            • 3.Qe1#
      • 1...Kb2
        • 2.Qb4+
          • 2...Kc1
            • 3.Scd3#
      • 1...Rb2!
    • 1.Qb7+?
      • 1...Kc1
        • 2.Qb4
          • threat
            • 3.Scd3#
          • 2...Rb2
            • 3.Qe1#
      • 1...Rb2!
  • Keys
    • 1.Sfe4!
      • 1...c1Q+
        • 2.Sd2+
          • 2...Kb2
            • 3.Sxa4#
      • 1...c1S+
        • 2.Sd2+
          • 2...Kb2
            • 3.Sxa4#
      • 1...c1B+
        • 2.Sd2+
          • 2...Kb2
            • 3.Sxa4#
      • 1...c1R+
        • 2.Sd2+
          • 2...Kb2
            • 3.Sxa4#
      • 1...Kc1
        • 2.Sd3+
          • 2...Kb1
            • 3.Sd2#
            • 3.Sc3#
          • 2...Kd1
            • 3.Qh5#
      • 1...Kb2
        • 2.Sd3+
          • 2...Kb1
            • 3.Sd2#
            • 3.Sc3#
          • 2...Kb3
            • 3.Qg8#
            • 3.Qf7#
      • 1...Rb2
        • 2.Sc3+
          • 2...Kc1
            • 3.Qh6#

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).