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Sergio Estremera

Sergio Estremera, a Spanish International Master representing the Isolani Club in Mallorca, is the organiser of the Calvià Chess Festival and the Colonia Sant Jordi International Chess Festival

Recent news

A successful second edition: Colònia Sant Jordi Festival in Mallorca

6/21/2023 – The second edition of the Colònia de Sant Jordi International Chess Festival came to an end last Sunday in Mallorca. English CM Ankush Khandelwal, a 4-time Pentamind world champion, was proclaimed champion of the International Open. Famed streamer Anna Cramling was the strongest woman player in the open, and successfully streamed her games on Twitch. The Masters tournament, a 10-player single round-robin, was won by Spanish IM Aarón Alonso. | Photos: Tournament’s Facebook page

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Fritz 19 & Opening Encyclopaedia 2024

The best combination for opening training: The big ChessBase opening encyclopaedia with thousands of opening articles plus Fritz19 at a special price!

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A practical repertoire for the positional player after 1.d4 Vol.1 – 3

I give promising mainlines for white against all black’s main replies to 1.d4 d5 that are engine-proof, easy to learn and can be played almost instantly.

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Dominate the Scandinavian Defence: Expert Strategies for White in 60 Minutes

With the help of GM Luis Engel you'll discover how to secure an advantage for White against the different Scandinavian setups like Qa5, Qd6, Qd8 and Nf6 on move 2.

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Dominate the Pirc/Modern Defence: Expert Strategies for White

With the help of GM Luis Engel you'll discover how to secure an advantage for White against the Pirc (1...d6) and Modern Defence (1...g6).

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ChessBase Magazine 219

Prague Chess Festival 2024 with analyses by Abdusattorov, Navara, Pragg and many more. Opening videos by Felix Blohberger, Christian Bauer and Nico Zwirs. 11 repertoire articles from Reti to King's Indian and much more.

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Rock Solid with the Queen's Indian Defence

In this video course we’ll have a look at the Queen’s Indian after 1.d4 Nf6 2.c4 e6 3.Nf3 b6. We’ll explore the ins and outs of the possible White setups against this rock-solid opening.

€36.90

A Supergrandmaster's Guide to Openings Vol.1 & 2

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News

Fritz 19 & Opening Encyclopaedia 2024

The best combination for opening training: The big ChessBase opening encyclopaedia with thousands of opening articles plus Fritz19 at a special price!

€199.90

A practical repertoire for the positional player after 1.d4 Vol.1 – 3

I give promising mainlines for white against all black’s main replies to 1.d4 d5 that are engine-proof, easy to learn and can be played almost instantly.

€89.90

Dominate the Scandinavian Defence: Expert Strategies for White in 60 Minutes

With the help of GM Luis Engel you'll discover how to secure an advantage for White against the different Scandinavian setups like Qa5, Qd6, Qd8 and Nf6 on move 2.

€9.90

Dominate the Pirc/Modern Defence: Expert Strategies for White

With the help of GM Luis Engel you'll discover how to secure an advantage for White against the Pirc (1...d6) and Modern Defence (1...g6).

€9.90

ChessBase Magazine 219

Prague Chess Festival 2024 with analyses by Abdusattorov, Navara, Pragg and many more. Opening videos by Felix Blohberger, Christian Bauer and Nico Zwirs. 11 repertoire articles from Reti to King's Indian and much more.

€21.90

Rock Solid with the Queen's Indian Defence

In this video course we’ll have a look at the Queen’s Indian after 1.d4 Nf6 2.c4 e6 3.Nf3 b6. We’ll explore the ins and outs of the possible White setups against this rock-solid opening.

€36.90

A Supergrandmaster's Guide to Openings Vol.1 & 2

This video course includes GM Anish Giri's deep insights and IM Sagar Shah's pertinent questions to the super GM. In Vol.1 all the openings after 1.e4 are covered.

€89.90