The All-in-One Event Calendar core theme files are out of date and the calendar has been temporarily disabled. To enable the calendar, an administrator must log into the WordPress dashboard and follow the instructions.
petroff defense Archive
-
Chess queen trap in Petroff / Petrov / Russian Game defence plus tactics, themes, lessons!
Posted on October 21, 2011A queen trap in the Petroff defence Steinitz variation (3.d4). The Petroff is also called Petrov’s defense or the Russian...
