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Posted by Matthew Sadler on 7th June 2026

The Stoltz Immortal game!

In this article we will enjoy Stoltz’ best-known game, also featured – as the author Steve Giddins mentioned in a YouTube comment – in New in Chess’ “The Most Exciting Games of Chess Ever Played” (slight digression, I did a short video series of 4 games for that book). It was former World Champion Ruslan

Posted by Matthew Sadler on 4th June 2026

A King’s Gambit Declined Theory Battle in the 1920s!

One of the nice side-effects of reading the first part of the fabulous biography of Gideon Stahlberg (“Gideon Stahlberg – An Epoch in Swedish Chess. Volume I. The Musketeer Years 1908-1939”) by Peter Holmgren (Verendel Publishing) was that I developed a strong interest in his compatriot and rival Gosta Stoltz (May 9, 1904 – July

Posted by Matthew Sadler on 23rd November 2025

The complexity of symmetrical pawn structures – Part 2

In the previous blog, we made some general observations about the Adams-Royal game from round 6 of the 2025 English Championships. In this blog entry, I’d like to examine some of Black’s better defensive opportunities and to reflect on the lessons we can draw about the correct method of defence in such situations. We identified

Posted by Matthew Sadler on 20th November 2025

The complexity of symmetrical pawn structures – Part 1

A little while back, Natasha and I commentated on the 6th round of the English Chess Championships. One game that round made a huge impression both on us, and on many of the other professionals we talked to afterwards: Michael Adams’ victory against Shreyas Royal on the white side of a Petroff with a symmetrical

Posted by Matthew Sadler on 29th September 2025

A typical Colle-Zukertort position – Part 7

At various moments during the analysis of the Conquest-Royal game with the engines, it was noticeable that the move …cxd4 was often suggested as one of the top 3 moves. For example here: 1. b3 Nf6 2. Bb2 c5 3. e3 d5 4. Nf3 e6 5. d4 Nc6 6. Nbd2 Bd6 7. Bd3 O-O 8.