Problem Display
PID: 36792 (8/8/1p1Q2B1/k7/8/8/4K3/8 w - - 0 1)

Havel, Miroslav

Sachove listy, 1902

8/8/1p1Q2B1/k7/8/8/4K3/8

#4

3 + 2


4331 Schachminiaturen II 1903
14721 Australasian Chess Magazine 1920
6024 Bohemian Garnets 1923
4312 Ceske Granaty 1975

SOLUTION


  • SOUND
  • Keys
    • 1.Kd2!
      • threat
        • 2.Bd3
          • threat
            • 3.Qa3#
          • 2...Ka4
            • 3.Kc3
              • threat
                • 4.Qb4#
              • 3...Ka5
                • 4.Qa3#
                • 4.Qb4#
          • 2...b5
            • 3.Kc3
              • 3...b4+
                • 4.Qxb4#
              • 3...Ka4
                • 4.Qb4#
                • 4.Qa6#
      • 1...Ka4
        • 2.Qxb6
          • 2...Ka3
            • 3.Kc3
              • threat
                • 4.Qa5#
                • 4.Qa7#
                • 4.Qb3#
                • 4.Qa6#
              • 3...Ka2
                • 4.Qa5#
                • 4.Qa7#
                • 4.Qb2#
                • 4.Qa6#
              • 3...Ka4
                • 4.Qb4#
                • 4.Qa6#
        • 2.Kc3
          • threat
            • 3.Qb4#
          • 2...Ka5
            • 3.Qa3+
              • 3...Kb5
                • 4.Be8#
          • 2...Kb5
            • 3.Bd3+
              • 3...Ka4
                • 4.Qb4#
              • 3...Ka5
                • 4.Qa3#
                • 4.Qb4#
      • 1...Kb5
        • 2.Bd3+
          • 2...Ka4
            • 3.Kc3
              • threat
                • 4.Qb4#
              • 3...Ka5
                • 4.Qa3#
                • 4.Qb4#
      • 1...Ka6
        • 2.Qc6
          • 2...Ka5
            • 3.Be8
              • threat
                • 4.Qa4#
                • 4.Qb5#
              • 3...Kb4
                • 4.Qc3#
              • 3...Ka6
                • 4.Qa8#
              • 3...b5
                • 4.Qxb5#
          • 2...Ka7
            • 3.Be4
              • threat
                • 4.Qb7#
                • 4.Qa8#
              • 3...Ka6
                • 4.Qa4#
              • 3...Kb8
                • 4.Qb7#
      • 1...b5
        • 2.Qc5
          • 2...Ka4
            • 3.Kc3
              • threat
                • 4.Qb4#
                • 4.Qa7#
              • 3...b4+
                • 4.Qxb4#
              • 3...Ka5
                • 4.Qa7#
          • 2...Ka6
            • 3.Qc7
              • 3...b4
                • 4.Bd3#

FEATURES


NOT CLASSIFIED


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).