Σκακιστικά νέα

The Campeonato de España por equipos de club 2025 aka Spanish Club Chess Championship is taking place August 8 – August 14 in Linares, Spain. The tournament is separated in 2 categories – Division de Honor and Primera Division. Division de Honor section is a 8 team round-robin tournament with time control 90 min / 40 moves + 30 min + 30 sec /move.

o3 (OpenAI) is the winner of Kaggle Game Arena AI Exhibition Chess after winning the final with Grok with a perfect 4-0. o3 (OpenAI) stayed perfect during the whole tournament, after winning 4-0 at the quarterfinals vs Kimi k2 (Moonshot AI) and 4-0 vs o4-mini (OpenAI) at the semifinal.

Replay the live games with Hikaru Nakamura and Magnus Carlsen

Hikaru Nakamura has been providing fantastic commentary during the quarterfinals and the semifinals of the Kaggle Game Arena AI exhibition chess matches. Today, he will comment the final too, and you can watch Nakamura’s live stream on Chessdom

Today Grok will meet o3 OpenAI in the final of the Kaggle Game Arena AI Exhibition. The Grok xAI model received deserved praise after defeating Gemini 2.5 Pro at the semifinal. GothamChess published a video titled “Grok solved chess. It is over” Yet, any chess expert will tell you it is far from over.

The semifinals of the Kaggle Arena IA chess are over, with Grok defeating Gemini 2.5 Pro and o3 winning vs o4-mini.

The battle of the OpenAI models was not even close, with o3 taking the match with 4-0 score. Grok and Gemini 2.5 Pro had a solid battle, with Grok winning 3-2 in an Armageddon game.

Final: Grok 4 (xAI) – o3 (OpenAI)
Match for 3rd: Gemini 2.5 Pro (Google) – o4-mini (OpenAI)

The Omegna Open – Lago d’Orta International Chess Open 2025 is taking place August 08 – August 10 in Italy. It is a 5 round Swiss system tournament with time control 90 min + 30 sec / move. For more events from Czech Republic, check out The European Chess Calendar, which is part of The Chess Calendar.

The Summer Prague Open 2025 is taking place August 08 – August 16 in Czech Republic. It is a 9 round Swiss system tournament with time control 90 min / 40 moves + 30 min + 30 sec / move. The tournament is separated in 2 categories – A and B, For more events from Czech Republic, check out The European Chess Calendar, which is part of The Chess Calendar.

The Summer Prague Open 2025 is taking place August 08 – August 16 in Czech Republic. It is a 9 round Swiss system tournament with time control 90 min / 40 moves + 30 min + 30 sec / move. The tournament is separated in 2 categories – A and B, For more events from Czech Republic, check out The European Chess Calendar, which is part of The Chess Calendar.

The OPEN Stare Mesto 2025 is taking place August 08 – August 16 in Czech Republic. It is a 9 round Swiss system tournament with time control 120 min / 40 moves + 30 min. For more events from Czech Republic, check out The European Chess Calendar, which is part of The Chess Calendar.

The FIDE World Youth U16 Chess Olympiad 2025 is taking place August 17 – August 22 in Colombia. It is a 9 round Swiss system for teams tournament with time control 45 min + 10 sec /move. For more events from Colombia, check out The South American Chess Calendar, which is part of The Chess Calendar.