6/2/2023 – The advance of the h-pawn on move three is certainly not in line with the basic rules of how to play the opening. But in recent years a number of world-class players have been successful with it, including Magnus Carlsen, Ding Liren and Maxime Vachier-Lagrave. And just a weeks ago at the Superbet Chess Classic in Bucharest, Fabiano Caruana managed an impressive winning game with it on his way to winning the tournament against MVL. Sipke Ernst recorded a FritzTrainer on 3.h4 against the Grünfeld and King's Indian half a year ago. In the new CBM Extra #213 he provides an update with current material - you can see an excerpt of his analysis here!

5/31/2023 – For the first time the CBM Extra comes with three opening videos: Nico Zwirs (Najdorf Variation with 6.Bg5), Sipke Ernst (3.h4 against the Gruenfeld), Romain Edouard ("Critical Lines in the Dragon" Part II) - total playing time over an hour. Plus the "Lucky bag" with analyses by Anish Giri, Spyridon Kapnisis, Adrian Mikhalchishin and many others!

2/12/2023 – The Slav has a reputation for being a (very) solid opening. But there are ways to play it for a win and give your opponent difficult problems to solve. Dutch Grandmaster Sipke Ernst shows how in his course "The Super Solid Slav Defence". Hedinn Steingrimsson took a look at the course and liked what he saw.

9/4/2022 – Finally, we can experience the very first Fritztrainer by GM Dorian Rogozenco. And what a Fritztrainer it is. More than 8 hours of material, featuring some of the greatest classical games ever played! Time to meet the Fritztrainer, and ask him what he is doing besides chess. As a little special, Dorian will give us a sneak peek of his Fritztrainer, and talk about the ideas, and inspirations of the classical games.

8/19/2022 – Sipke Ernst has made a successful Fritzrainer last year, tackling the "flexible Open Spanish". The Dutch Grandmaster is back again, with "3.h4 against the King's Indian and Grünfeld". Time to ask him about when he started to play chess, his feeling when reaching the Grandmaster title, a rating of over 2600, and one of his most passionate hobbies - Arm wrestling! We also analyse one of his favourite games he ever played. Luke Mcshane was the opponent, made a beautiful sacrifice, which Sipke countered wonderfully. | Photo: Sipke Ernst FB

8/9/2022 – For some time now, we’ve known that the strongest chess engines like to push their flank pawns up the board. This has led to an interesting system, with which we can meet the Grunfeld and the King’s Indian. Studying the mainlines is time consuming, and it is possible that our opponents may know the typical plans in those openings better than us, right? Therefore, it is a great idea to take Grunfeld and King’s Indian players out of their comfort-zone right from the start!

4/15/2021 – The Open Spanish is considered to be one of the soundest systems in modern opening theory. It remains a popular choice among superstars such as Mamedyarov, Caruana, So and Giri and was used in World Championship matches by Kortschnoi and Anand. This is the first Fritztrainer by Grandmaster Sipke Ernst from the Netherlands.

1/14/2020 – Karsten's first GM guest of the year is Dutch GM Sipke Ernst. Live at 9:00 UTC (10:00 CET; 4:00 AM EST) and on-demand for ChessBase account holders. Don't have an account yet? You can register a free 90-day account to watch!

6/5/2019 – At the moment several interesting tournaments are played but IM Merijn van Delft prefers a little privacy and looks at a game between Nico Zwirs and Sipke Ernst, two of his friends. The live show is free to watch, and available on-demand for ChessBase Premium account holders (but FREE for a limited time!). To chat, please visit videos.chessbase.com/live or login via Playchess for Windows. Merijn is live at 18:00 UTC (20:00 CEST / 2 PM EDT).

9/29/2018 – A new round of Fischer and Capablanca Memorial tournaments took place in Anogia, Crete from September 11th to 19th. Grandmaster DANIEL FERNANDEZ was there and has annotated nine games for your enjoyment. | Photo: Tango7174 (CC BY-SA 4.0) via Wikimedia Commons

7/13/2015 – Anish Giri and Anne Haast are the new Dutch Champions. After a quick draw in the final round Giri still could have been caught by Loek van Wely, but the six-times Dutch Champion blundered in time trouble. Anne Haast laid the foundations of winning the title earlier by winning in round five against 13 times Dutch Women's Champion Zaoquin Peng. Report and games...