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Martin B. Justesen

@saychess.bsky.social
663 followers 201 following 171 posts

Writes about chess at saychess.substack.com

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Reposted by Martin B. Justesen
Peter Doggers @peterdoggers.bsky.social · 13/10/2025
I felt it was time for a new experiment. Introducing CHESSVIBES WEEKLY, a new podcast that covers the latest chess news. Hope you like it! (And hopefully soon on Apple and Spotify as well.) A retweet would be appreciated... Spread the word! www.buzzsprout.com/2546567/epis...
buzzsprout.com
ChessVibes Weekly
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Martin B. Justesen @saychess.bsky.social · 14/09/2025
9 years ago today 💂
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Martin B. Justesen @saychess.bsky.social · 14/09/2025
🤔
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Martin B. Justesen @saychess.bsky.social · 13/02/2025
saychess.substack.com/p/part-ii-of...
saychess.substack.com
Part II of Mapping Checkmate Patterns with a 27-Dimensional Fingerprint
Last week I posted a try to find and organize checkmate patterns using a clustering algorithm combined with a focused look on the 3x3 squares around the checkmated King.
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Martin B. Justesen @saychess.bsky.social · 12/02/2025
Made a real breakthrough in my efforts to cluster checkmate patterns 🙌🏻
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Martin B. Justesen @saychess.bsky.social · 10/02/2025
Just an idea for FIDE, since they own the world and chess..
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Martin B. Justesen @saychess.bsky.social · 08/02/2025
Playing 27D-chess 🫨 open.substack.com/pub/saychess...
open.substack.com
Mapping Checkmate Patterns with a 27-Dimensional Fingerprint
Some days ago, I read in a blog post on Lichess that the kill box checkmate pattern had been added as a puzzle keyword.
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Martin B. Justesen @saychess.bsky.social · 27/01/2025
youtube.com/shorts/3_pQQ... They walked away as legends..
youtube.com
3 DAYS of Tennis Madness! The Longest Match Ever! 🎾⏳#shorts #tennis
YouTube video by Sports Facts
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Martin B. Justesen @saychess.bsky.social · 25/01/2025
Worked on a new way to make opening files based on Lichess data open.substack.com/pub/saychess...
open.substack.com
Building a Data-Driven Chess Opening Repertoire + FREE TEST REPERTOIRE AGAINST 1. e4
Today, we'll explore a new approach that combines database statistics and engine evaluation to build an opening repertoire.
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Martin B. Justesen @saychess.bsky.social · 20/01/2025
Premoved and lost my Queen in 3+0… won anyway 😆
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Martin B. Justesen @saychess.bsky.social · 04/01/2025
Seems like a small revolt is happening in the Chessable forums 😳
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Martin B. Justesen @saychess.bsky.social · 03/01/2025
Jeans, Foucault, FIDE and Freestyle chess all in one newsletter! open.substack.com/pub/saychess...
open.substack.com
Who Wears the Trousers in the Chess World?
Magnus Carlsen’s recent actions at the World Rapid and Blitz Chess Championships were not just controversial but a significant rebellion against FIDE.
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Martin B. Justesen @saychess.bsky.social · 02/01/2025
Learned a new word today..
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Martin B. Justesen @saychess.bsky.social · 02/01/2025
Won this game due to pure despite of my own play
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Martin B. Justesen @saychess.bsky.social · 01/01/2025
youtube.com/shorts/skxtO... When they had the rules in place beforehand it was seen as a great sporting event
youtube.com
CAN WE HAVE TWO GOLDS? 🥇🥇 #shorts
YouTube video by Olympics
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Martin B. Justesen @saychess.bsky.social · 01/01/2025
Magnus Carlsen and Ian Nepomniachtchi Crowned Co-Champions After Agreeing Chess Is ‘Actually Kinda Boring’
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Martin B. Justesen @saychess.bsky.social · 28/12/2024
Muzin’s King was a true attacker😳
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Martin B. Justesen @saychess.bsky.social · 26/12/2024
The final of the blitz starts 23:00 New Year’s Eve.. who made this decision?
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Martin B. Justesen @saychess.bsky.social · 25/12/2024
I’m going to say cheese 🧀
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Martin B. Justesen @saychess.bsky.social · 20/12/2024
New giant book dropped on tacticsladder.com 📙
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Martin B. Justesen @saychess.bsky.social · 15/12/2024
Tacticsladder.com has crossed 15.000 puzzle attempts 🙌🏻
tacticsladder.com
The Tactics Ladder - Master Chess Tactics
Master chess tactics with a structured training system designed for players of all levels. Break through your rating plateau with The Tactics Ladder.
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Martin B. Justesen @saychess.bsky.social · 14/12/2024
Both fixed the washing machine and some bugs on tacticsladder.com today. And yes, I’m also missing a floor, but that is another problem to be fixed
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Reposted by Martin B. Justesen
Why must I lose to this idiot? @wmiltti.bsky.social · 12/12/2024
Matthew Sadler’s reaction is worth having in there. m.youtube.com/watch?v=IcHX... (4:05.20)
m.youtube.com
lichess.org - Watching with Leela - World Championship Match Ding vs Gukesh Round 14
YouTube video by Silicon Road
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Martin B. Justesen @saychess.bsky.social · 07/12/2024
The last month I have worked hard on building a new chess puzzle platform for my books. You can now try it out on www.tacticsladder.com saychess.substack.com/p/the-tactic...
saychess.substack.com
The Tactics Ladder Goes Digital
Over the past few weeks, I've been collaborating with the paid supporters of Say Chess secretly on a new project.
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Martin B. Justesen @saychess.bsky.social · 03/12/2024
Hang on!
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Reposted by Martin B. Justesen
Dr. Scull @drscull.bsky.social · 01/12/2024
I haven't tried this on Bluesky yet. I'm looking to interview someone for Chess Journeys on Monday or Tuesday around 7 or 8 PM pacific. Would anyone like to share their story. Any rating welcome! #chesspunks
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Reposted by Martin B. Justesen
danielkingchess.bsky.social @danielkingchess.bsky.social · 30/11/2024
My thoughts on #DingGukesh Game 5, World Chess Championship 2024. Another French! youtu.be/SFP8VXbpkuE
youtu.be
Gukesh Dommaraju vs Ding Liren | Game 5 | World Chess Championship 2024
YouTube video by PowerPlayChess
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Martin B. Justesen @saychess.bsky.social · 30/11/2024
We all know it is a good opening #DingGukesh
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Reposted by Martin B. Justesen
Chris Wainscott 🫘 @chriswainscott.bsky.social · 28/11/2024
This is a repost since I messed up the link. Hey, chesspunks, as soon as I get 20 emails subs I'll start creating Substack content. Not worried about paid subscribers, just subscribers. I just spent 14 years blogging and prefer this now. ontheroadtochessmaster.substack.com
ontheroadtochessmaster.substack.com
Chris’s Substack | Chris Wainscott | Substack
My personal Substack. Click to read Chris’s Substack, by Chris Wainscott, a Substack publication. Launched 4 hours ago.
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Reposted by Martin B. Justesen
The Guardian @theguardian.com · 27/11/2024
Gukesh Dommaraju levels World Chess Championship as Ding Liren loses on time in Game 3
theguardian.com
Gukesh Dommaraju levels World Chess Championship as Ding Liren loses on time in Game 3
* Champion Ding loses Game 3 on time after 3hr 49min * Gukesh levels best-of-14-games match at 1½-1½ India’s Gukesh Dommaraju has scored his first win of the world chess championship over China’s Ding Liren after the 32-year-old reigning champion…
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Reposted by Martin B. Justesen
danielkingchess.bsky.social @danielkingchess.bsky.social · 25/11/2024
My thoughts on #DingGukesh - game 1. What a start to the match! youtu.be/QCubY-cNwRg
youtu.be
Gukesh D vs Ding Liren | Game 1 | World Chess Championship 2024
YouTube video by PowerPlayChess
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Reposted by Martin B. Justesen
Scott Rose @rprose.bsky.social · 25/11/2024
he earned it
Ding having a drink of water in the break room after reaching the time control with a winning position with the Black pieces
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Martin B. Justesen @saychess.bsky.social · 25/11/2024
I should have bought the dip!
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Martin B. Justesen @saychess.bsky.social · 25/11/2024
the market is an all-time low for a Ding WC-win! #DingGukesh
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Martin B. Justesen @saychess.bsky.social · 24/11/2024
Which team is Peter Leko on? #DingGukesh
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Martin B. Justesen @saychess.bsky.social · 22/11/2024
The tactics ladder is ready for beta testing 🪜 A bit proud to have come this far
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Reposted by Martin B. Justesen
The Big Bad Nairwolf @nairwolf-chess.bsky.social · 21/11/2024
Here's the video of the game ! Thanks @saychess.bsky.social for the online tool !
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Reposted by Martin B. Justesen
Maurits van der Meer @meermaurits.bsky.social · 20/11/2024
In the end, I survived their attack, after which the endgame was "just a matter of technique" (being up three connected passers helps!). See the full game below. Shout out to @saychess.bsky.social for his tool to convert PGNs into movies!
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Martin B. Justesen @saychess.bsky.social · 18/11/2024
Trying to convince one of my good friends who lives in Singapore to visit the venue when the match starts for a story for my newsletter. He had a hard time understanding why the match would last for such a long time 😄
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Reposted by Martin B. Justesen
Garry Kasparov @garrykasparov.bsky.social · 18/11/2024
I'm convinced!
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Why must I lose to this idiot? @wmiltti.bsky.social · 18/11/2024
Gukesh is favourite, but Ding has a chance
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Reposted by Martin B. Justesen
Peter Heine Nielsen @phchess.bsky.social · 17/11/2024
Black to move: Both players missed a very interesting tactic for black today, in Magnus vs Dubov:
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Reposted by Martin B. Justesen
Chess Von Doom @chessvondoom.bsky.social · 16/11/2024
Just saw the hashtag ♥️ #chesspunks
media.tenor.com
a man in a blue shirt is saying i want you to get the word out there
ALT: a man in a blue shirt is saying i want you to get the word out there
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Martin B. Justesen @saychess.bsky.social · 15/11/2024
Ready for Denmark 🇩🇰 vs Spain 🇪🇸
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Reposted by Martin B. Justesen
Scott Rose @rprose.bsky.social · 15/11/2024
👀 @chess-official.bsky.social enters the arena! let them know you're here #chessfeed
Bluesky account header for chess.com / chesscom which is now followed by their head of community
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Martin B. Justesen @saychess.bsky.social · 14/11/2024
What should black play here? (missed it and Whites threat)
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Reposted by Martin B. Justesen
Douglas Griffin @dgriffinchess.bsky.social · 14/11/2024
Hello everyone, and thanks to all who have followed me! To those who don’t know me from Twitter/X, on this account you may expect to see: - photos from past chess events - short threads related to chess history - links to new & past posts from my blog. Plus very occasional random stuff.
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