Kasimir de Weydlich

{{Short description|Polish chess player}}

Casimir (Kasimir, Kazimierz) de Weydlich (4 August 1859 – 17 September 1913) was a Polish chess master.

Born into an aristocratic family in Skotyniany, near Kamenets Podolskiy, he began his chess career in the early 1880s. He tied for 5-6th at the 2nd Warsaw City Championship in 1883/84,{{cite web|url=http://www.edochess.ca/tournaments/t273.html |title=Edo Ratings, Warsaw 1884 |publisher=Edochess.ca |date= |accessdate=2014-01-25}} but won an individual game against Józef Żabiński, the winner of the event. Then he took 16th at Leipzig 1894 (the 9th DSB Congress won by Siegbert Tarrasch),[http://www.anders.thulin.name/SUBJECTS/CHESS/CTCIndex.pdf Name Index to Jeremy Gaige's Chess Tournament Crosstables, An Electronic Edition, Anders Thulin, Malmö, 2004-09-01] {{webarchive|url=https://web.archive.org/web/20070704030849/http://www.anders.thulin.name/SUBJECTS/CHESS/CTCIndex.pdf |date=2007-07-04 }} and won a mini-match against Jean Taubenhaus (2 : 0) at Warsaw 1898.Tadeusz Wolsza, Arcymistrzowie, mistrzowie, amatorzy.... Słownik biograficzny szachistów polskich, tom 1, pp. 78-80. Wydawnictwo DiG, Warszawa 1995. {{ISBN|83-85490-37-X}}

Count de Weydlich was a co-founder of the Lwowski Klub Szachistów (The Lemberg Chess Club) in Lwów (Lviv, Lemberg), Galicia (then Austria-Hungary), in November 1894. He played in several tournaments in Lemberg; took 3rd in 1895,{{cite web|url=http://www.edochess.ca/tournaments/t514.html |title=Edo Ratings, Lemberg 1895 |publisher=Edochess.ca |date= |accessdate=2014-01-25}} shared 2nd in 1896{{cite web|url=http://www.edochess.ca/tournaments/t563.html |title=Edo Ratings, Lemberg 1896 |publisher=Edochess.ca |date= |accessdate=2014-01-25}} (both won by Ignatz von Popiel), took 4th in 1904 (Emil Gross won), and tied for 4-5th in 1912 (Oskar Piotrowski won).

His best achievement was the second prize at Le Monde Illustré correspondence tournament in 1897. He died in Lemberg in 1913.