ChessWorld.net LogoChessWorld.net, founded in 2000, is an online chess site.
If you would like to play relaxed, friendly online chess, then...
or

📚 Chess Courses – Openings, Tactics, Middlegame, Endgames
View a Youtube Chess Video: The Evolution of Chess Style: Positional Sacrifice within the Accumulation of Advantages

If you register and login to Chessworld, and use the Videos menu ... Video search page, you can make use of facilities such as replayable annotated PGN etc which may be available below the video as options.


The Evolution of Chess Style: Positional Sacrifice within the Accumulation of Advantages