Problem Display
PID: 42235 (8/3b4/8/2kp4/pR3Q2/2N5/3K4/8 w - - 0 1)

Baier, Roland

2nd Comm., Muller-Breil MT, 1973

8/3b4/8/2kp4/pR3Q2/2N5/3K4/8

#3

4 + 4


3690 Kunstschach in der Schweiz 1980

SOLUTION


  • SOUND
  • Sets
    • 1...Bc6
      • 2.Qf8#
    • 1...d4
      • 2.Qxd4+
        • 2...Kc6
          • 3.Qb6#
  • Tries
    • 1.Sxa4+?
      • 1...Kc6
        • 2.Rb6#
      • 1...Bxa4!
    • 1.Rb6?
      • threat
        • 2.Qb4#
      • 1...d4
        • 2.Qd6+
          • 2...Kc4
            • 3.Rb4#
            • 3.Qb4#
            • 3.Qd5#
        • 2.Qc7+
          • 2...Bc6
            • 3.Qxc6#
      • 1...Bb5
        • 2.Sxa4+
          • 2...Bxa4
            • 3.Qb4#
      • 1...Kxb6!
    • 1.Rb7?
      • threat
        • 2.Qb4+
          • 2...Kc6
            • 3.Qb6#
      • 1...d4
        • 2.Qe5+
          • 2...Kc4
            • 3.Qd5#
          • 2...Kc6
            • 3.Qc7#
            • 3.Qd5#
      • 1...Bb5!
    • 1.Qc7+?
      • 1...Bc6
        • 2.Qe7#
      • 1...Kxb4!
    • 1.Qb8?
      • threat
        • 2.Qb6#
      • 1...Kc6
        • 2.Qb6#
      • 1...Bc6
        • 2.Qf8#
      • 1...Bb5!
    • 1.Qd4+?
      • 1...Kc6
        • 2.Qb6#
      • 1...Kd6!
  • Keys
    • 1.Sb5!
      • threat
        • 2.Qd6#
      • 1...Kb6
        • 2.Qc7+
          • 2...Ka6
            • 3.Qa7#
      • 1...Bxb5
        • 2.Qc7+
          • 2...Kxb4
            • 3.Qc3#
          • 2...Bc6
            • 3.Qe7#

FEATURES


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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).