Chess Base

• Esports World Cup: Erigaisi, Niemann, Lazavik and Nihal reach playoffs

  Nihal Sarin, Arjun Erigaisi, Denis Lazavik and Hans Niemann claimed the final four places in the Esports World Cup playoffs after progressing through Thursday's losers brackets. They join Alireza Firouzja, Nodirbek Abdusattorov, Magnus Carlsen and Hikaru Nakamura, who had qualified a day earlier. The quarterfinals will see Carlsen face Nihal, Nakamura meet Erigaisi, Abdusattorov play Lazavik and Firouzja take on Niemann. | Image: Esports World Cup webcast

• Invest an hour and you will be ready to confound your opponents: Svitlana Demchenko's Opening Surprises

  The World Championship match between Gukesh Dommaraju and Ding Liren demonstrated how important it can be to catch your opponent on the wrong foot in the opening. In her 60-minute course, Svitlana Demchenko shows how this can be achieved with both colours and very little theory. | Photos: Nils Rohde

• Sinquefield Cup - Live!

  The Sinquefield Cup is taking place on 10-20 August at the Saint Louis Chess Club. It is a 10-player single round-robin with a classical time control. Besides battling for a share of the $475,000 prize fund, players battle to get one of the four spots in the upcoming Grand Chess Tour Finals. Follow the games live starting at 19.00 CEST (13.00 ET, 22.30 IST) | Photo: Lennart Ootes