Σκακιστικά νέα

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.

Li Haoyu has received a 6 months worldwide ban by the FIDE Ethics and Disciplinary commission.

FIDE Ethics and Disciplinary commission has come to a final decision on the Christopher Yoo Case No. 6/2025 – “Alleged harassment of a female player”. The EDC Chamber, composed of Ali Nihat Yazici (Chairperson) and Khaled Arfa and Olga Baskakova (Members) have found Cristopher Yoo guilty and 18 month ban, 12 months of which is suspension, has been imposed. Scroll down for a timeline of the events and the full decision

Timeline of the Christopher Yoo case

The Magistral de Norma de GM – Grafica Yael – Torre Blanca – Ventajedrez is taking place August 06 – August 13 in CABA, Buenos Aires, Argentina. It is a 10 player round Robin tournament with time control 90 min + 30 sec /move. For more events from Argentina, check out The South American Chess Calendar, which is part of The Chess Calendar.

The 12th Annual Washington International – Championship is taking place August 08 – August 13 in Rockville, Maryland USA. It is a 9 round Swiss system tournament with time control 100 min + 30 sec /move. For more events from USA, check out The North American Chess Calendar, which is part of The Chess Calendar.