Problem Display
PID: 253483 (2Q5/8/1p4p1/6Nb/1N4p1/8/4p1P1/5k1K w - - 0 1)

Goering, Hans

1st HM., Schach, 1968

2Q5/8/1p4p1/6Nb/1N4p1/8/4p1P1/5k1K

#4

5 + 6


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Qa6!
      • 1...Ke1
        • 2.Kg1
          • threat
            • 3.Se4
              • threat
                • 4.Qa1#
              • 3...Kd1
                • 4.Qa1#
            • 3.Qd3
              • threat
                • 4.Sc2#
          • 2...Kd1
            • 3.Qd3+
              • 3...Kc1
                • 4.Qc2#
              • 3...Ke1
                • 4.Sc2#
          • 2...Kd2
            • 3.Qd3+
              • 3...Kc1
                • 4.Qc2#
              • 3...Ke1
                • 4.Sc2#
      • 1...Kf2
        • 2.Qxb6+
          • 2...Ke1
            • 3.Qg1+
              • 3...Kd2
                • 4.Se4#
          • 2...Kg3
            • 3.Qe3+
              • 3...Kh4
                • 4.g3#
      • 1...g3
        • 2.Sc2
          • threat
            • 3.Qa1+
              • 3...Kf2
                • 4.Sh3#
                • 4.Se4#
                • 4.Qe1#
                • 4.Qg1#
              • 3...e1Q
                • 4.Qxe1#
              • 3...e1S
                • 4.Qxe1#
              • 3...e1B
                • 4.Qxe1#
              • 3...e1R
                • 4.Qxe1#
          • 2...Kf2
            • 3.Qxb6+
              • 3...Kf1
                • 4.Qg1#
            • 3.Qa1
              • threat
                • 4.Sh3#
                • 4.Se4#
                • 4.Qe1#
                • 4.Qg1#
              • 3...e1Q+
                • 4.Qxe1#
              • 3...e1R+
                • 4.Qxe1#
              • 3...e1S
                • 4.Qxe1#
              • 3...e1B
                • 4.Qxe1#
          • 2...Bf3
            • 3.Qa1+
              • 3...Kf2
                • 4.Sh3#
                • 4.Qe1#
                • 4.Qg1#
              • 3...e1Q
                • 4.Qxe1#
              • 3...e1S
                • 4.Qxe1#
              • 3...e1B
                • 4.Qxe1#
              • 3...e1R
                • 4.Qxe1#
          • 2...Bg4
            • 3.Qa1+
              • 3...Kf2
                • 4.Se4#
                • 4.Qe1#
                • 4.Qg1#
              • 3...e1Q
                • 4.Qxe1#
              • 3...e1S
                • 4.Qxe1#
              • 3...e1B
                • 4.Qxe1#
              • 3...e1R
                • 4.Qxe1#
      • 1...b5
        • 2.Qf6+
          • 2...Ke1
            • 3.Se4
              • threat
                • 4.Qa1#
              • 3...Kd1
                • 4.Qa1#

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).