Problem Display
PID: 218876 (4R3/4b1p1/1n6/2pp2Q1/8/2PNp1P1/p1K1n3/k7 w - - 0 1)

Varitsky, Aleksandr Nikolaevich

1st HM., Molodoi Leninets, 1988

4R3/4b1p1/1n6/2pp2Q1/8/2PNp1P1/p1K1n3/k7

#5

6 + 9


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Qf4!
      • threat
        • 2.Qf1+
          • 2...Sc1
            • 3.Qxc1#
      • 1...Sxc3
        • 2.Ra8
          • threat
            • 3.Qf1+
              • 3...Sb1
                • 4.Qxb1#
              • 3...Sd1
                • 4.Qxd1#
          • 2...Sxa8
            • 3.Qb4
              • threat
                • 4.Qxc3#
                • 4.Qb2#
              • 3...cxb4
                • 4.Sc1
                  • threat
                    • 5.Sb3#
                  • 4...b3+
                    • 5.Sxb3#
              • 3...Sd1
                • 4.Qa3
                  • threat
                    • 5.Qc1#
                  • 4...Sb2
                    • 5.Qxb2#
                  • 4...Sc3
                    • 5.Qb2#
                    • 5.Qxc3#
          • 2...Sb1
            • 3.Sc1
              • threat
                • 4.Sb3#
                • 4.Rxa2#
              • 3...Sa3+
                • 4.Rxa3
                  • threat
                    • 5.Sb3#
                    • 5.Rxa2#
          • 2...Sba4
            • 3.Qf1+
              • 3...Sb1
                • 4.Rxa4
                  • threat
                    • 5.Qxb1#
            • 3.Rxa4
              • threat
                • 4.Qf1+
                  • 4...Sb1
                    • 5.Qxb1#
                  • 4...Sd1
                    • 5.Qxd1#
              • 3...Sb1
                • 4.Qf1
                  • threat
                    • 5.Qxb1#
              • 3...Sd1
                • 4.Rxa2+
                  • 4...Kxa2
                    • 5.Qa4#
                • 4.Sc1
                  • threat
                    • 5.Sb3#
                    • 5.Rxa2#
                • 4.Qb8
                  • threat
                    • 5.Qb1#
                  • 4...Sb2
                    • 5.Qxb2#
                  • 4...Sc3
                    • 5.Qb2#
              • 3...Se2
                • 4.Rxa2+
                  • 4...Kxa2
                    • 5.Qa4#
                • 4.Qf1+
                  • 4...Sc1
                    • 5.Qxc1#
              • 3...e2
                • 4.Qc1+
                  • 4...Sb1
                    • 5.Qb2#
                    • 5.Qxb1#
      • 1...Sxf4
        • 2.Rh8
          • threat
            • 3.Rh1#
          • 2...Sh3
            • 3.Rxh3
              • threat
                • 4.Rh1#
              • 3...e2
                • 4.Rh1+
                  • 4...e1Q
                    • 5.Rxe1#
                  • 4...e1S+
                    • 5.Rxe1#
                  • 4...e1B
                    • 5.Rxe1#
                  • 4...e1R
                    • 5.Rxe1#
          • 2...Sh5
            • 3.Rxh5
              • threat
                • 4.Rh1#
              • 3...Bh4
                • 4.Sxc5
                  • threat
                    • 5.Sb3#
              • 3...e2
                • 4.Rh1+
                  • 4...e1Q
                    • 5.Rxe1#
                  • 4...e1S+
                    • 5.Rxe1#
                  • 4...e1B
                    • 5.Rxe1#
                  • 4...e1R
                    • 5.Rxe1#

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).