For this edition of the Trompowsky Powerbook an Elo average of at least 2441 was established. Thus 49000 games from Mega and from correspondence chess have met the entry threshold for the Powerbook, to which have been added 53 000 from the engine room of playchess.com.
A promising Line for White arises after 1.d4 Nf6 2.Bg5 g6 3.Bxf6 exf6 4.c4 Bg7 5.Nc3 0-0 6.e3. White has more space and can develop quickly whereas Black has to deal with the doubled f-pawns.
A sharp line arises after 1.d4 Nf6 2.Bg5 c5 3.d5 Qb6 4.Nc3 Qxb2 5.Bd2 Qb6 6.e4 where White sacrifices a pawn for speedy developement and space advantage.
The Trompowsky Powerbook 2025 is an opening book which you can use with your Fritz or ChessBase program. It does not contain a database – i.e. no games are supplied with it.
The move 2.Bg5 was named after the Brazilian player Octavio Trompowsky (1897–1984), who employed it in the 1930s and the 1940s. The move led only a shadowy existence right up to the 1980s, but then some free-thinking English grandmasters, above all Julian Hodgson, took it up and demonstrated the vitality of this system, which has since that point become firmly established.
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