Problem Display
PID: 135571 (B2R3K/2b2p2/2NpPP2/1p1kp2p/1B2p3/1P1b1r1Q/2p2P2/2Nq1n2 w - - 0 1)

Grinblat, Arieh

StrateGems, 2009

B2R3K/2b2p2/2NpPP2/1p1kp2p/1B2p3/1P1b1r1Q/2p2P2/2Nq1n2

#4

11 + 13


SOLUTION


  • SOUND
  • Keys
    • 1.exf7!
      • threat
        • 2.Rxd6+
          • 2...Bxd6
            • 3.Sd8+
              • 3...Kd4
                • 4.Se6#
      • 1...Rxf6
        • 2.Sa7+
          • 2...Kd4
            • 3.Sxb5+
              • 3...Bxb5
                • 4.Qc3#
      • 1...e3
        • 2.Rxd6+
          • 2...Ke4
            • 3.Sd4+
              • 3...Kf4
                • 4.Se6#
                • 4.Qh4#
            • 3.Se7+
              • 3...Kf4
                • 4.Qh4#
            • 3.Sd8+
              • 3...Kf4
                • 4.Se6#
            • 3.Qh4+
              • 3...Kf5
                • 4.Se7#
              • 3...Rf4
                • 4.Sd4#
                • 4.Se7#
          • 2...Bxd6
            • 3.Sd8+
              • 3...Kd4
                • 4.Se6#
      • 1...Bc4
        • 2.Se7+
          • 2...Kd4
            • 3.Sf5+
              • 3...Rxf5
                • 4.Qc3#

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).