Problem Display
PID: 144674 (1Kb5/2PpR2p/3p4/1p1kp1Pr/1P3p2/1P1PpP2/pB2P3/2R1Q3 w - - 0 1)

Fomichev, Evgeny Vasilevich

Probleemblad, 2011

1Kb5/2PpR2p/3p4/1p1kp1Pr/1P3p2/1P1PpP2/pB2P3/2R1Q3

#4

12 + 11


SOLUTION


  • SOUND
  • Keys
    • 1.Rc2!
      • threat
        • 2.Qc1
          • threat
            • 3.Rc5+
              • 3...dxc5
                • 4.Qxc5#
      • 1...a1Q
        • 2.Qxa1
          • threat
            • 3.Qa8+
              • 3...Bb7
                • 4.Qxb7#
            • 3.Kxc8
              • threat
                • 4.Qa8#
            • 3.Bxe5
              • threat
                • 4.Qd4#
              • 3...dxe5
                • 4.Qxe5#
      • 1...a1S
        • 2.Qxa1
          • threat
            • 3.Qa8+
              • 3...Bb7
                • 4.Qxb7#
            • 3.Kxc8
              • threat
                • 4.Qa8#
            • 3.Bxe5
              • threat
                • 4.Qd4#
              • 3...dxe5
                • 4.Qxe5#
      • 1...a1B
        • 2.Qxa1
          • threat
            • 3.Qa8+
              • 3...Bb7
                • 4.Qxb7#
            • 3.Kxc8
              • threat
                • 4.Qa8#
            • 3.Bxe5
              • threat
                • 4.Qd4#
              • 3...dxe5
                • 4.Qxe5#
        • 2.Qc1
          • threat
            • 3.Rc5+
              • 3...dxc5
                • 4.Qxc5#
          • 2...Bxb2
            • 3.Rc5+
              • 3...Kd4
                • 4.Qxb2#
              • 3...dxc5
                • 4.Qxc5#
      • 1...a1R
        • 2.Qxa1
          • threat
            • 3.Qa8+
              • 3...Bb7
                • 4.Qxb7#
            • 3.Kxc8
              • threat
                • 4.Qa8#
            • 3.Bxe5
              • threat
                • 4.Qd4#
              • 3...dxe5
                • 4.Qxe5#
      • 1...Rh1
        • 2.Qc3
          • threat
            • 3.Rxe5+
              • 3...dxe5
                • 4.Qxe5#

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).