ChessBase

1. A Love Story: Lev Polugaevsky's "Grandmaster Preparation"

   Thirty years ago, on August 30, 1995, Soviet Grandmaster Lev Polugaevsky died in Paris from cancer. To commemorate the renowned theoretician, who for many years was among the world’s leading players, Johannes Fischer takes a look at his book "Grandmaster Preparation", in which Polugaevsky recounts his decades-long passion for the line that bears his name: the Polugaevsky Variation of the Najdorf. | Photo: Anefo / Croes, R.C.

2. Sinquefield Cup Playoffs - Live!

   The Sinquefield Cup, the only event to feature in every Grand Chess Tour since 2015, returns to Saint Louis from 18 to 27 August. As the concluding leg before the revived Finals in São Paulo, it will play a decisive role in determining the four qualifiers, with Maxime Vachier-Lagrave currently leading the standings and strong challengers close behind. | Follow the games live with expert commentary starting at 19.00 CEST (13.00 ET, 22.30 IST)

3. Permanent Attraction: Man Ray & Chess

   Over the past 20 years Larry List has curated exhibitions, and written primarily about the interrelationships between chess and visual art. To coincide with a Man Ray exhibition of photos at the Metropolitan Museum of Art this September, Hirmer Verlag of Munich is publishing his new book On Man Ray, the closest artist friend of the famous 20th century artist Marcel Duchamp. It is lavishly illustrated with color photos, with a solid and attractive layout. | Man Ray self-portrait 1926 Centre Pompidou

4. Problem Chess Art

   Last week Problem expert Werner Keym gave us some remarkable chess problems to solve. They were from his latest eBook, Problem Chess Art, which is available to everyone, free of charge. Here today are the solutions of the problems he selected for us. Were you able to solve them?

5. Can you play pawn endings?

   They are absolutely vital. Gukesh won the World Championship with one – or we could say Ding Liren lost his title because he misplayed it. So can you understand and play pawn endings proficiently? Take a look at this position: White has six legal moves, all with his king. But only one of them ensures the win. Which one? We have four instructive and entertaining positions that will test your skills. And hopefully leave you a better, more effective player.

6. School children play chess on the roof of London's O2 Arena

   To mark the launch of a new community chess club, pupils from The Pointer School played a game of chess 52 metres above London atop the O2 Arena. The initiative aims to make structured chess coaching freely accessible to primary school children across Greenwich and South East London. Backed by a strong chess tradition and alumni like Shreyas Royal, the school continues to promote chess as a powerful tool for personal development.

7. Chess Statistics Today

   In our previous article on historical chess statistics we showed you the number of rated players there were in 1993, their ages, ratings, and where they came from. Today we compare them with the current FIDE statistics, showing how things have developed in the three decades that have passed. Our report also contains a little puzzle for you to mull over – why does the chess superpower China have so few rated players?

8. The whole chess world is yours!

   The ChessBase Premium Account is a powerful all-in-one chess improvement tool that provides extensive online resources, training, playing opportunities, and cloud services to help players of all levels enhance their game effectively. And the service runs on anything: Windows, Macs, notebooks, tablets, your mobile phone. Watch this video by Sagar Shah explaining the services you get and how to best use it. And best of all: it will only cost you €4.99 per month!

9. Prof. Regan’s statistical system

   The Arbiters’ Council of the European Chess Union asked Prof. Kenneth W. Regan to write a dissemination article about his system, to let every arbiter get acquainted with this very important anti-cheating tool. The article has been written in aw way to make the system understandable without any particular mathematical skill, in order to have the concept behind known to every arbiter. It appeared in the April issue of the ECU Magazine.

10. Norway Chess - Live!

    The 13th edition of the Norway Chess super-tournament is taking place from 26 May to 6 June in Stavanger. An open event and a women's event are being played concurrently with an identical number of players, the same format and an equivalent prize fund. Both world champions — Ju Wenjun and Gukesh Dommaraju — are participating, besides world number one Magnus Carlsen. | Follow the games live starting at 17.00 CEST (11.00 ET, 20.30 IST)