The examples (middlegame, endgame) are usually well analysed and theoretically wise the material is large and frequently updated. If you have any questions while studying the material, let me know and I will help. It is possible to buy it using PayPal and sending payments to email@example.com. Material will be sent in pgn/cbv files directly to your e-mail address ASAP.
Check out the free samples here.
Today’s offers are:
Chigorin – US$ 5 (instead of US$ 10)
Gruenfeld – US$ 20 (instead of US$ 30)
Catalan – US$ 10 (instead of US$ 20)
Italian Game – US$ 10 (instead of US$ 20)
10 examples on King’s Indian – end of 20th century (most interesting and useful games) – US$ 2
10 examples on f5-f6 push in the Sicilian – US$ 2
10 examples on Knight better than Bishop – US$ 2
10 examples on Practical Rook endgames – US$ 2
If you have any questions about the material, send an e-mail to firstname.lastname@example.org.