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19-05-2019 - The Oak theorical opening book

 

 

Chess theory book The Oak

 

 

Ladies and Gentleman, what I'm going to present you is something that could turn into a milestone between opening books: it's a product of millions and millions of games, 10% humans more than 2500 Elo rated and 90% machine games.

I've collected any possible game around the Internet and tuned with the winning lines. Moreover: I have used the 'Add priority analysis' ("!=only move" enabled) function of Fritz with a database of only commented games by the Chessbase MegaDatabase 2019 in order to inherit the marks and again 'Add priority analysis' ("!=only move" disabled) on the Black and White wins of the Playchess tournaments archive 2017-2019.

This book is generally truncated up to move 30 because I believe that it's more than enough for human minds to learn. Exceptions are included, though, we'll discuss about it later.

I used every kind of engine games, hence also the not-top notch ones in order to have a more complete view of the chess openings: Fire, Gull, Vajolet, Rybka, Komodo, Houdini et cetera... What amazes is that when I'm creating new lines for the upcoming Goi 6, using only the strongest chess engines and often renting computers up to 80 threads, I discover that some advanced move is already included in The Oak! That impressed even myself.

As requested by some user via e-mail, I have left the wrong moves, marking them with the red colour and the ?,?!,?? annotations. Interesting moves are marked with !?, dubious moved with ?!, possible moves are black-coloured, best moves are green coloured, sometimes with the ! mark, and wrong moves are red-coloured, the most of times with the ? mark.

 

Example:

 

Starting position:

The Oak starting position


The Oak gives:

1.e4!
1.d4
1.Nf3
1.c4
1.b3!?
1.g3!?
1.h3
1.Nc3!?
1.f4
1.e3?!
1.a3?!
1.d3?!
1.b4?
1.c3?!
1.g4?
1.a4?
1.Na3?
1.h4?
1.Nh3?
1.f3?

 

Move 1 for Black, after 1.e4:

The Oak <b>1.e4


The Oak gives:

1...c5!
1...e5!
1...e6
1...c6
1...g6
1...d6
1...d5
1...Nf6
1...Nc6
1...b6
1...a6
1...h6?
1...f6?
1...a5?
1...Na6?
1...Nh6?
1...g5?
1...f5?
1...h5?
1...b5?

 

Classical Ruy-Lopez position, Black moves:

Classical Ruy-Lopez position


The Oak gives:

1...a6!
1...Nf6
1...Bc5?!
1...f5
1...Nge7
1...g6
1...Nd4?!
1...d6?
1...Bd6?!
1...Be7?!
1...h6?
1...Rb8?
1...Bb4?
1...Qf6?
1...b6?
1...Qe7?
1...f6?
1...a5?
1...Nb4?
1...g5?
1...Nb8?
1...Nh6?
1...d5?

 

This time I've decided to get help from a person knowing very well the annotation syntax and the chess theory, IM Sergio DurĂ n Vega. He suggested (and I approved) to include the lines of the recent Lc0 games (see also 17-04-2019 - Lc0 win Chess.com Computer Chess Championship), in which we have seen this new chess program as a protagonist and lately even a winner, facing a winning engine like Stockfish 10.

Sadly I have discovered that sometimes the moves marking of the Chessbase MegaDatabase 2019 are inaccurate, so there must be a manual correction. Same thing for the colouring moves as red: at my actual state of knowledge I don't know how to automatically color bad moves as red, since the 'Add priority analysis' only colors moves with green and add marks if the option "!=only move" is enabled (and the relative games of the database are marked too).

The base idea of The Oak is:

1. this book has conceived to be used by everyone, from the newbie to the Grand Master, therefore it will be simply to consult but accurate in deep variants.

2. this book has been conceived for human play, hence I have included also openings botched by top competition books, such as Bird's Opening (1.f4). In human gaming these openings can still be effective since no man is able to get an advantage from three tenths of pawn in his favour in an opening variant.

3. you can be sure of moves made by million games, plus the colours help you to understand the lines an choose the best move.

 

The Oak size will be around 2 GB.

 

Massimiliano Goi.

 

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