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.
Check out the free samples here.
Today’s offers are:
Scandinavian – US$ 10 (instead of US$ 15)
Najdorf Sicilian – US$ 5 (instead of US$ 10)
Pelikan Sicilian – US$ 5 (instead of US$ 10)
Dutch – US$ 15 (instead of US$ 20)
10 examples on Sacrifice of White Knight on b5 (Nxb5) in Sicilian – US$ 2
10 examples on White sacrifices Nd5 in Sicilian – US$ 2
10 examples on Queen versus Rook (practical fragments) – US$ 2
10 examples on Minor piece stronger than Rook – US$ 2
If you have any questions about the material, send an e-mail to firstname.lastname@example.org.