Problem Display
PID: 116697 (3RK3/B6Q/3P1pp1/1n6/N3p1r1/N2k1Bp1/1P2p3/5R2 w - - 0 1)

Howard, Kenneth Samuel

Checkmate, 1904

3RK3/B6Q/3P1pp1/1n6/N3p1r1/N2k1Bp1/1P2p3/5R2

#3

10 + 8


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Sxd6+
      • 2.Rxd6#
    • 1...Sc7+
      • 2.dxc7#
  • Keys
    • 1.Qc7!
      • threat
        • 2.Qc2#
      • 1...e1S
        • 2.Rxe1
          • threat
            • 3.Rd1#
            • 3.Qc2#
          • 2...Sxd6+
            • 3.Rxd6#
            • 3.Qxd6#
          • 2...Sxc7+
            • 3.dxc7#
          • 2...Kd2
            • 3.Rd1#
          • 2...Sxa7
            • 3.Qc3#
          • 2...Sc3
            • 3.Qxc3#
          • 2...Sd4
            • 3.Qc3#
        • 2.Qc1
          • threat
            • 3.Qe3#
            • 3.Qd1#
          • 2...Sxd6+
            • 3.Rxd6#
          • 2...Sc7+
            • 3.dxc7#
          • 2...Sxa3
            • 3.Qc3#
          • 2...Sxa7
            • 3.Qc3#
          • 2...Sd4
            • 3.Sc5#
            • 3.Qc3#
        • 2.Qc2+
          • 2...Sxc2
            • 3.Rd1#
        • 2.Qc4+
          • 2...Kd2
            • 3.Sb1#
        • 2.Qc5
          • threat
            • 3.Qe3#
          • 2...Sxd6+
            • 3.Rxd6#
            • 3.Qxd6#
          • 2...Sc7+
            • 3.dxc7#
          • 2...Kd2
            • 3.Qe3#
          • 2...Sxa3
            • 3.Qc3#
          • 2...Sxa7
            • 3.Qc3#
          • 2...Sd4
            • 3.Qxd4#
            • 3.Qc3#
          • 2...Sc2
            • 3.Rd1#
            • 3.Qxc2#
          • 2...Sg2
            • 3.Rd1#
            • 3.Qc2#
          • 2...e3
            • 3.Qxe3#

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).