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Posted by Matthew Sadler on 23rd May 2025

Understanding and knowing

How much should you understand and how much should you know? It’s the eternal question of opening preparation! Ideally, you should understand everything and thus need to know nothing. Unfortunately, you need to know something before you can understand. So you first need to know, then understand, and then you should forget what you know

Posted by Matthew Sadler on 18th May 2025

The mystery of …c4

While indulging myself in some analysis of games by the legendary Italian grandmaster Sergio Mariotti, I came across an extraordinary positional episode in some engine games I ran as part of my analysis. It’s one of those engine recommendations that make you question everything you thought you knew, as well as awakening feelings of guilt

Posted by Matthew Sadler on 16th March 2025

Chess variants! Thousands of ’em!

As followers of my YouTube channel will know, I have been experimenting with a number of chess variants studied by Google DeepMind (together with ex-World Champion Vladimir Kramnik) in their interesting paper “Assessing Game Balance with AlphaZero: Exploring Alternative Rule Sets in Chess”. This paper can be viewed at https://arxiv.org/abs/2009.04374 I’ve put together a playlist

Posted by Matthew Sadler on 2nd April 2024

GM David Navara – Leela Zero knight odds match on lichess!

Lichess was the host for a fascinating match on Saturday 30th March between GM David Navara and Leela Zero at knight odds chess. I had the privilege of commentating on the match and the complete recording is available here on my Silicon Road YouTube channel: https://youtube.com/live/b04MPlCSL24 All the games of the match are available here on the Lichess Events page: https://lichess.org/broadcast/leela-vs-gm-david-navara-knight-odds-match/match/U8CvXKoW#boards The Leela team blog article on the match is here: https://lczero.org/blog/2024/03/leela-vs-gm-david-navara/

Posted by Matthew Sadler on 2nd April 2024

The Mrbdzz Novelty Grinder!

Leela’s wonderful new WDL Contempt feature – discussed in earlier posts and also in a series of videos on my Silicon Road YouTube channel (https://youtube.com/playlist?list=PLxhvNMc95Uo9N6W48TUAyIwkjK0w1wHKj&si=IK9OpgsfWB-wktZ1) – continues to inspire new avenues of chess investigation. One event that created a stir was the fascinating David Navara – Leela match at knight odds on which I commentated here: https://www.youtube.com/live/b04MPlCSL24?si=ybsivb7HM3HnosEa I’ll most likely dedicate some blog space to that match in the future, but this blog post focuses on a lovely little programming project by grizzled veteran TCEC chatter mrbdzz who many of you will know from my streams as “Leela’s Greatest Fan”!