Date: 1963.??.?? Location: Los Angeles Tournament: Piatigorsky Cup Round: 4 Opening: E11 Bogo-Indian Defense Submitted by: Published on: ۸ تیر, ۱۴۰۵ Categories: تیگران پتروسیان
White to move: find the best move... click the ? for the solutionBlack to move: find the best move... click the ? for the solution