Problem Display
PID: 181457 (8/1Q2pB2/N2p2R1/p2p4/pP6/P1kP2B1/8/1K6 w - - 0 1)

Sorrento, ?

San Francisco Chronicle, 1904

8/1Q2pB2/N2p2R1/p2p4/pP6/P1kP2B1/8/1K6

#3

9 + 6


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Sets
    • 1...Kb3
      • 2.Qxd5+
        • 2...Kxa3
          • 3.Qa2#
        • 2...Kc3
          • 3.Be1#
    • 1...d4
      • 2.Be1+
        • 2...Kxd3
          • 3.Qf3#
  • Tries
    • 1.Be1+?
      • 1...Kb3
        • 2.Qxd5+
          • 2...Kxa3
            • 3.Qa2#
        • 2.bxa5+
          • 2...Kxa3
            • 3.Qb2#
            • 3.Qb4#
      • 1...Kd4
        • 2.Qxd5+
          • 2...Ke3
            • 3.Qe4#
      • 1...Kxd3!
  • Keys
    • 1.Re6!
      • 1...Kd2
        • 2.Be1+
          • 2...Kd1
            • 3.Bh5#
          • 2...Kxd3
            • 3.Qxd5#
      • 1...Kb3
        • 2.Qxd5+
          • 2...Kxa3
            • 3.Qa2#
          • 2...Kc3
            • 3.Be1#
      • 1...Kxd3
        • 2.Qxd5+
          • 2...Kc3
            • 3.Be1#
            • 3.Re3#
      • 1...Kd4
        • 2.Kc2
          • 2...axb4
            • 3.Bf2#
            • 3.Qxb4#
            • 3.Qb6#
            • 3.Qa7#
        • 2.Qxd5+
          • 2...Kc3
            • 3.Be1#
          • 2...Kxd5
            • 3.Rxd6#
      • 1...axb4
        • 2.Qxb4+
          • 2...Kxd3
            • 3.Bg6#
      • 1...d4
        • 2.Qg2
          • threat
            • 3.Qc2#
          • 2...Kb3
            • 3.Qb2#
          • 2...Kxd3
            • 3.Qc2#

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).