Problem Display
PID: 118906 (8/4p1p1/2p1PbN1/P1P1p1p1/3k4/PQ1p4/1P1P3R/5K2 w - - 0 1)

Valtsinsh, Eduards Frizis

Latvian Championship, 1955

8/4p1p1/2p1PbN1/P1P1p1p1/3k4/PQ1p4/1P1P3R/5K2

#3

10 + 8


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Kxc5
      • 2.Qxd3
        • threat
          • 3.b4#
  • Tries
    • 1.Sxe7?
      • threat
        • 2.Qb4#
      • 1...Ke4
        • 2.Rf2
          • threat
            • 3.Qa4#
            • 3.Qc4#
            • 3.Qb4#
          • 2...Kd4
            • 3.Qb4#
        • 2.Qa4+
          • 2...Kf3
            • 3.Rh3#
        • 2.Qc4+
          • 2...Kf3
            • 3.Rh3#
        • 2.Qb4+
          • 2...Kf3
            • 3.Rh3#
      • 1...Bxe7!
    • 1.Rh3?
      • threat
        • 2.Qxd3+
          • 2...Kxc5
            • 3.b4#
      • 1...Kxc5
        • 2.Rxd3
          • threat
            • 3.Qb4#
        • 2.Qxd3
          • threat
            • 3.b4#
      • 1...e4!
    • 1.Rh8?
      • threat
        • 2.Rd8+
          • 2...Ke4
            • 3.Qxd3#
          • 2...Kxc5
            • 3.Qb4#
      • 1...Kxc5
        • 2.Rd8
          • threat
            • 3.Qb4#
        • 2.Qxd3
          • threat
            • 3.b4#
      • 1...e4
        • 2.Rd8+
          • 2...Kxc5
            • 3.Qb4#
      • 1...Ke4!
    • 1.Qxd3+?
      • 1...Kxc5
        • 2.b4#
      • 1...Kxd3!
  • Keys
    • 1.Rh5!
      • 1...Ke4
        • 2.Qc4+
          • 2...Kf3
            • 3.Rh3#
          • 2...Kf5
            • 3.Sh4#
      • 1...Kxc5
        • 2.Qxd3
          • threat
            • 3.b4#
      • 1...e4
        • 2.Qc3+
          • 2...Kd5
            • 3.Sf4#
      • 1...g4
        • 2.Qb4+
          • 2...Kd5
            • 3.Sf4#

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).