MESON Chess Problem Database

Problem Display
PID: 255313 (3Q4/1q6/1Pp5/k1K5/B7/1P1P4/8/8 w - - 0 1)

Tyunin, Aleksandr Dmitrevich

Komandnoe Pervenstvo Rossiya, 1992

3Q4/1q6/1Pp5/k1K5/B7/1P1P4/8/8

#5

6 + 3

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Keys
    • 1.Qc7!
      • threat
        • 2.Bb5
          • threat
            • 3.b4#
          • 2...cxb5
            • 3.Qxb7
              • 3...b4
                • 4.Qa8#
                • 4.Qa7#
      • 1...Ka6
        • 2.Bxc6
          • threat
            • 3.Bb5+
              • 3...Ka5
                • 4.b4#
            • 3.Qxb7+
              • 3...Ka5
                • 4.Qa8#
                • 4.Qa7#
                • 4.b4#
          • 2...Qxc7
            • 3.bxc7
              • threat
                • 4.c8Q+
                  • 4...Ka5
                    • 5.Qa8#
                    • 5.b4#
                  • 4...Ka7
                    • 5.Qb7#
                    • 5.Qa8#
                • 4.c8R
                  • threat
                    • 5.Ra8#
                  • 4...Ka5
                    • 5.Ra8#
                  • 4...Ka7
                    • 5.Ra8#
              • 3...Ka5
                • 4.c8R
                  • 4...Ka6
                    • 5.Ra8#
              • 3...Ka7
                • 4.c8R
                  • 4...Ka6
                    • 5.Ra8#
      • 1...Qxc7
        • 2.bxc7
          • 2...Ka6
            • 3.c8Q+
              • 3...Ka7
                • 4.Qc7+
                  • 4...Ka6
                    • 5.Qb6#
                  • 4...Ka8
                    • 5.Bxc6#
            • 3.Bxc6
              • threat
                • 4.c8Q+
                  • 4...Ka5
                    • 5.Qa8#
                    • 5.b4#
                  • 4...Ka7
                    • 5.Qb7#
                    • 5.Qa8#
                • 4.c8R
                  • threat
                    • 5.Ra8#
                  • 4...Ka5
                    • 5.Ra8#
                  • 4...Ka7
                    • 5.Ra8#
              • 3...Ka5
                • 4.c8R
                  • 4...Ka6
                    • 5.Ra8#
              • 3...Ka7
                • 4.c8R
                  • 4...Ka6
                    • 5.Ra8#
      • 1...Qc8
        • 2.Qa7+
          • 2...Qa6
            • 3.Bxc6
              • 3...Qxa7
                • 4.bxa7
                  • 4...Ka6
                    • 5.a8Q#
                    • 5.a8R#
            • 3.d4
              • 3...Qxa7
                • 4.bxa7
                  • 4...Ka6
                    • 5.a8Q#
        • 2.Qf7
          • threat
            • 3.b4+
              • 3...Kxa4
                • 4.Qa2#
              • 3...Ka6
                • 4.Qa7#
          • 2...Qf5+
            • 3.Qxf5
              • 3...Ka6
                • 4.Qc8+
                  • 4...Ka5
                    • 5.Qa8#
                • 4.Qd7
                  • 4...Ka5
                    • 5.Qa7#
                • 4.Qh7
                  • 4...Ka5
                    • 5.Qa7#
                • 4.Qf7
                  • 4...Ka5
                    • 5.Qa7#
          • 2...Qa8
            • 3.Qa7+
              • 3...Qxa7
                • 4.bxa7
                  • 4...Ka6
                    • 5.a8Q#
          • 2...Qb8
            • 3.Qa7+
              • 3...Qxa7
                • 4.bxa7
                  • 4...Ka6
                    • 5.a8Q#

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).