iiinova — where your digital self keeps evolving

Hrastnik ♟️ @hrastnik.fosstodon.org.ap.brid.gy · 30/05/2026

I played a #chess game against #Perplexity #AI, and as expected it played well in the opening but then it proceeded to give away all its pieces in the middle game. My favourite part was when the #LLM claimed that the attached position was checkmate when f4 was […] [Original post on fosstodon.org]

Black King in check on g5 from the white Queen on f6. The AI claimed this was checkmate despite the f4 square being available.

Position FEN:
8/1B6/p4Qp1/1p2PN1p/5k2/7P/PP3PP1/2R1R1K1 w - - 3 34

Game PGN:
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. c3 b5 7. Bc2 d6 8. d4 exd4 9. cxd4 O-O 10. Nbd2 Bb7 11. Re1 Re8 12. Nf1 Bf8 13. Ng3 g6 14. Bg5 Bg7 15. e5 dxe5 16. dxe5 Nd5 17. Bxd8 Raxd8 18. h3 Nce7 19. Be4 f5 20. Bxd5+ Kh8 21. Ng5 h6 22. Nf7+ Kg8 23. Nxd8+ Kf8 24. Ne6+ Kg8 25. Nxc7+ Kh8 26. Nxe8 Kh7 27. Nxg7 Kxg7 28. Bxb7 Nd5 29. Qxd5 Kh7 30. Rac1 h5 31. Qf7+ Kh6 32. Nxf5+ Kg5 33. Qf6+ Kf4 34. Ng3#

011 1

Hrastnik ♟️ @hrastnik.fosstodon.org.ap.brid.gy · 24/05/2026

🇩🇪 Vincent Keymer wins the Super Chess Classic 🇷🇴 Romania moving into third place in the overall Grand Chess Tour standings. 🇺🇸 Fabiano Caruana ended in second place keeping him in the top spot for the overall standings. #Chess #GrandChessTour #VincentKeymer […] [Original post on fosstodon.org]

Vincent thinking at the chess board with head in hands. Sitting across from Jorden who is seen diagonally from the back.

Photo by: Lennart Ootes

010 1

Hrastnik ♟️ @hrastnik.fosstodon.org.ap.brid.gy · 28/04/2026

It has been nearly two weeks since the World Chess Championship challengers were determined at the Candidates tournament in Cyprus. But what path did 🇮🇳 Vaishali Rameshbabu and 🇺🇿 Javokhir Sindarov take on their path to qualifying? 🇳🇱 Anish Giri's second place […] [Original post on fosstodon.org]

Graph showing the progression over the tournament with Vaishali Rameshbabu finishing in sole first place with a score of +3 followed by Bibisara Assaubayeva in second place at +2. The graph has many peaks and valleys and it was tense until the very end.

Graph showing how Javokhir Sindarov's four game winning streak put him out of reach of any other contestant. He ended up on a +6 score with the closest competitor, Anish Giri, ending with a distant +3 score.

000 0

Hrastnik ♟️ @hrastnik.fosstodon.org.ap.brid.gy · 15/04/2026

The moment Vaishali Rameshbabu won the Candidates Tournament for the right to challenge Ju Wenjun for World Championship. Absolutely amazing feat! #Chess #FIDE #FIDECandidates #CandidatesTournament #WorldChessChampionship #VaishaliRameshbabu #JuWenjun #Cyprus

Vaishali shaking hands with Kataryna as the game ends with a win for white. Vaishali looks straight at Kataryna with a friendly expression.

Photo by: Michal Walusza (FIDE)

000 0

Hrastnik ♟️ @hrastnik.fosstodon.org.ap.brid.gy · 12/04/2026

Heartbreaking that Anish Giri wasn't able to beat Wei Yi today to keep at least some pressure on Javokhir Sindarov going into the last two rounds of the candidates tournament. It was never easy, but it was especially unfortunate that he made an accidental […] [Original post on fosstodon.org]

Graph of the computer evaluation which shows black had an advantage in multiple occasions. Wei Yi made 2 blunders while Anish Giri made 3 blunders.

000 0

Hrastnik ♟️ @hrastnik.fosstodon.org.ap.brid.gy · 10/04/2026

Vaishali Rameshbabu 🇮🇳 is now in the sole lead and in position to vie for the Women's World Chess Championship title! Amazing what she has achieved so far. It is still tense as there are two players just half a point behind. #Chess #India #FIDE #FIDECandidates #CandidatesTournament #Cyprus

Picture of Vaishali sitting at the board with the black pieces in round 10 of the candidates.

Photo by: Niki Riga (FIDE)

000 0

Hrastnik ♟️ @hrastnik.fosstodon.org.ap.brid.gy · 09/04/2026

Apparently this endgame is losing, which is not obvious to me at all. (And apparently not for Praggnanandhaa either.) See if you can find the series of moves to win the bishop […] [Original post on fosstodon.org]

Chess position FEN:
r7/pppb1k2/7r/4P3/4Q3/2P1P1Pp/P6P/6K1 w - - 0 25

101 1

Hrastnik ♟️ @hrastnik.fosstodon.org.ap.brid.gy · 02/04/2026

It has been a crazy start to the open section of the FIDE Candidates Tournament. Sindarov has won three out of his first four games. This is the graph of the results going into the rest game. I can't wait until round 5 tomorrow. #Chess #FIDE #FIDECandidates #Cyprus #graphs #plot

Graph showing the results of the FIDE Candidates Tournament 2026 after four rounds with Sindarov at +3, Caruana at +1, Praggnanandhaa at 0, Bluebaum at 0, Giri at 0 , Wei Yi at -1, Nakamura at -1 and Esipenko at -2.

001 1

Hrastnik ♟️ @hrastnik.fosstodon.org.ap.brid.gy · 31/03/2026

🇨🇳 Wei Yi lost to 🇺🇸 Fabiano Caruana in just 19 moves today in the Candidates Tournament. Very unexpected to lose so quickly, and I assume something went wrong in the opening preparation. Game link […] [Original post on fosstodon.org]

000 0

Hrastnik ♟️ @hrastnik.fosstodon.org.ap.brid.gy · 30/03/2026

All games were drawn in Round 2 of the Candidates Tournament. However, it was not a boring round: 🇮🇳 Vaishali Rameshbabu and ♟️ Kateryna Lagno saved positions in which they were significantly worse. For all the games visit Lichess […] [Original post on fosstodon.org]

Picture of Divya and Vaishali shaking hands before the chess game with Divya playing the white pieces.

Photo by: Michal Walusza (FIDE).

000 0

Hrastnik ♟️ @hrastnik.fosstodon.org.ap.brid.gy · 19/12/2025

Solved today's after I ran out of time for yesterday's puzzle. Today's puzzle is a conventional mate in 2 with white to move first. Advent of Chess 2025 Day 19 ✔️ ⭐ #691 solver adventofchess.com/year/2025/day/19 #chess #adventofchess #advent #chesspuzzle

Chess position with the following FEN:
4N3/KPpk1P2/7R/1bpp2B1/2p1BP1n/8/1p5p/7Q w - - 0 1

000 0

Hrastnik ♟️ @hrastnik.fosstodon.org.ap.brid.gy · 16/12/2025

Today's advent of chess puzzle is finding the series of moves from the starting position to the one in the picture after white's eighth move. Join the Mastochess club! www.adventofchess.com/club/mastoche… Advent of Chess 2025 […] [Original post on fosstodon.org]

Chess position FEN:
rnb1kbnr/ppp1pppp/3p4/8/8/4PP2/PPPP2PP/RN2K2R b kq - 0 8

000 0

Hrastnik ♟️ @hrastnik.fosstodon.org.ap.brid.gy · 15/08/2025

After playing #LumoAI by #Proton in #chess, I decided to try #o4mini by #OpenAI. The result was fairly similar. Very strong opening followed by inexplicably dropping its knight and queen in the middle game. At one point it even argued back after I told it one […] [Original post on fosstodon.org]

Final position showing me checkmating o4 mini. Here is the complete game in algebraic notation:
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 O-O 7. c3 d6 8. d4 exd4 9. cxd4 d5 10. Nc3 Bg4 11. Bxc6 Rc8 12. Bxd5 Nxd5 13. Nxd5 c6 14. Nxe7+ Qxe7 15. Bg5 h6 16. Bxe7 Rfe8 17. Bc5 b6 18. Bxb6 a5 19. Bxa5 Bxf3 20. Qxf3 g5 21. Bc3 g4 22. Qxg4+ Kh7 23. d5 cxd5 24. Qg7#

011 1

Hrastnik ♟️ @hrastnik.fosstodon.org.ap.brid.gy · 13/08/2025

Very cool game by Levon Aronian beating Sam Shanklamd in round 7 of the St Louis Rapid and Blitz lichess.org/broadcast/gct-saint-lou… #chess #lichess #stlouis #GrandChessTour

010 1

Hrastnik ♟️ @hrastnik.fosstodon.org.ap.brid.gy · 29/07/2025

A great photo of the World Cup winner Divya Deshmukh. Such an amazing achievement, and a classy way to earn the GM title! #Chess #FIDE #Batumi #India

Photo of Divya with her golden medal around her neck, trophy in left hand and flowers is right hand. In the background it says FIDE Women's World Cup 2025.
Photo by: Anna Shtourman.

010 1

Hrastnik ♟️ @hrastnik.fosstodon.org.ap.brid.gy · 28/07/2025

I played #chess against #LumoAI from #Proton. I had to correct if a few times when it was trying to make illegal moves but it wasn't too tedious. It was quite good in the opening from my point of view but didn't really have any middle game plan. It's definitely […] [Original post on fosstodon.org]

Final position of my game against Lumo. Here are the moves:
1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Nf6 5. Re1 a6 6. Bc4 Be7 7. c3 b5 8. Bb3 O-O 9. d4 exd4 10. cxd4 Bg4 11. h3 Bxf3 12. Qxf3 Nxd4 13. Qd1 c5 14. Nc3 Nd7 15. Be3 Ne6 16. f4 c4 17. a3 cxb3 18. Qd2 Nec5 19. Qd3 Nxd3 20. Bd4 Nxf4 21. Kf2 Bh4+ 22. Kg1 Qg5 23. Kf1 Qxg2#

011 1

Hrastnik ♟️ @hrastnik.fosstodon.org.ap.brid.gy · 27/07/2025

Divya missed a crucial opportunity in the world cup final against Humpy. Can you see the alternative move? The second game starts in about an hour. lichess.org/broadcast/fide-womens-w… #Chess #fidewomensworldcup

Position of game 1 of the final after white's 14th move Bishop from f3 takes pawn on b7.

010 1

Hrastnik ♟️ @hrastnik.fosstodon.org.ap.brid.gy · 02/06/2025

I recently came across this old chess puzzle again. You need to place 8 queens on the board such that none of them attack each other. I'll put two solutions I've found in the comments.

Chess board with 8 queens on it and the problem statement: Place 8 queens on the board such that none of them attack each other.

000 0

Hrastnik ♟️ @hrastnik.fosstodon.org.ap.brid.gy · 19/04/2025

Such a great performance by 居文君 (Ju Wenjun) winning her fifth world chess championship match! #chess #FIDE #WorldChessChampionship #JuTan

The FIDE Women's World Chess Champion 2025: GM Ju Wenjun.

Photo: Anna Shtourman / FIDE
Caption: lichess

000 0

Hrastnik ♟️ @hrastnik.fosstodon.org.ap.brid.gy · 11/04/2025

居文君 (Ju Wenjun) defeated 谭中怡 (Tan Zhongyi) for the second game in a row taking a 2 point lead in the match and in a great position to defend her world chess championship title! We need to wait two more days while the match moves to 重庆 (Chongqing). #chess #JuTan #FIDE #WorldChessChampionship

Final position of game 6. Tan Zhongyi was playing as white.

000 0

Hrastnik ♟️ @hrastnik.fosstodon.org.ap.brid.gy · 05/04/2025

The moment where Tan Zhongyi got excited in her game against Ju Wenjun. A game she eventually ended up winning and pulling ahead in this 12 game match. Game 3 will start tomorrow! #Chess #YuTan #FIDE #WorldChessChampionship

Tan Zhongyi in the foreground playing the white pieces and leaning over the board while Ju Wenjun in the background playing the black pieces with her head in her hands.

Photo by: Anna Shtourman.

000 0

Hrastnik ♟️ @hrastnik.fosstodon.org.ap.brid.gy · 04/04/2025

Tan Zhongyi beat Ju Wenjun in their second game taking a big step in regaining her world chess championship title! #chess #worldchesschampionship #JuTan

000 0

Hrastnik ♟️ @hrastnik.fosstodon.org.ap.brid.gy · 25/01/2025

Just over halfway done with the Wijk aan Zee tournament. Here's a graph of how things have progressed so far. It's a three way tie at the top. #Chess #matplotlib #wijkaanzee #TataSteelChess

Graph showing the progression of the points over the rounds of the tournament. Praggnanandhaa, Abdusattorov and Gukesh lead with a score of +3 with Fedoseev close behind at +2.

130 3

Hrastnik ♟️ @hrastnik.fosstodon.org.ap.brid.gy · 31/12/2024

Knock out stage for the world blitz championship. #chess #RapidBlitz

000 0

Hrastnik ♟️ @hrastnik.fosstodon.org.ap.brid.gy · 29/12/2024

Congratulations to GM Volodar Murzin and GM Koneru Humpy for winning the 2024 rapid chess world championships! #chess #RapidBlitz

Koneru Humpy sitting behind a chess board, staring at the pieces.

Photo by Michal Walusza.

Volodar Murzing sitting behind a chess board, staring at the camera.

Photo by Lennart Ootes.

010 1

Hrastnik ♟️ @hrastnik.fosstodon.org.ap.brid.gy · 25/12/2024

So much chess to watch between Christmas and new year as the FIDE World Rapid and Blitz kicks off. Do you like the new knock out format for Blitz? #Chess #FIDE #RapidBlitz

Schedule for the Rapid section of the tournament. Open rounds 1-5 and women 1-4 on 26 Dec, open 6-9 and women 6-8 on 27 Dec, and open 10-13 and women 9-11 on 28 Dec.

Schedule for the Blitz section of the tournament with the round robin rounds on 30 Dec and the knockouts on 31 Dec. The knockouts start with quarter finals.

000 0

Hrastnik ♟️ @hrastnik.fosstodon.org.ap.brid.gy · 13/12/2024

Gukesh D as world chess champion! It's been a very exciting match to follow. #DingGukesh #Chess #FIDE #WorldChessChampionship

Gukesh D with the FIDE trophy in the foreground and the Singaporean coast in the background.

Photo by: Eng Chin An

000 0

Hrastnik ♟️ @hrastnik.fosstodon.org.ap.brid.gy · 12/12/2024

Looks like Ding is sacrificing a pawn. It doesn't look like he's running much risk here. #DingGukesh #Chess #lichess

Screenshot of Lichess after White's 28th move in game 14 of the world chess championship.

000 0

Hrastnik ♟️ @hrastnik.fosstodon.org.ap.brid.gy · 12/12/2024

The final classical game of the world chess championship is off. I'm excited to see 1. Nf3! #DingGukesh #Chess #lichess

Screenshot from Lichess after 1. Nf3 d5 2. g3

000 0

Hrastnik ♟️ @hrastnik.fosstodon.org.ap.brid.gy · 08/12/2024

A nice graphic of the computer evaluation of game 11 and the previous games in the world chess championship. #DingGukesh #Chess #lichess

Diagram by Lichess and izzie26 showing the evaluation of game 11 enlarged on top and the other 10 games smaller below. It also states the match score is Ding at 5 vs Gukesh at 6.

031 3

Hrastnik ♟️ @hrastnik.fosstodon.org.ap.brid.gy · 08/12/2024

Bishop to g4 on black's move 5 was a novelty in the masters database, but not in the Lichess database. There's still one Lichess game being followed after black's 10th move. In that game white played knight to d2. #chess #DingGukesh #lichess

Screenshot from Lichess in game 11 of the world chess championship after 10..Nbd7.

000 0

Hrastnik ♟️ @hrastnik.fosstodon.org.ap.brid.gy · 07/12/2024

Ding stares up at Gukesh in game 10. It was a 36-move draw keeping the score level at 5 points each.

Ding looks up at Gukesh with his hand in front of his mouth and the Indian flag in the foreground.

Photo by Eng Chin An.

000 0

Hrastnik ♟️ @hrastnik.fosstodon.org.ap.brid.gy · 03/12/2024

What an up and down game today in the World Chess Championship. It looks like Ding will hold this endgame and Gukesh will be disappointed he didn't take his chances earlier. #DingGukesh #Chess #lichess #WorldChessChampionship #MastoChess

Screenshot of position of game 7 from lichess after Ding's 58th move. Ding plays black and Gukesh white.

000 0

Hrastnik ♟️ @hrastnik.fosstodon.org.ap.brid.gy · 01/12/2024

Handshake for game 6 of the World Chess Championship as it ends in a draw by repetition. I was very impressed by Ding's preparation today. It would have been nice to see him push his advantage a bit more. #DingGukesh #chess #FIDE

Photo of the players sitting at the board and shaking hands to agree a draw.

Photo by Eng Chin An.

000 0

Hrastnik ♟️ @hrastnik.fosstodon.org.ap.brid.gy · 01/12/2024

Some deep preparation from Ding in game 5 of the F!DE championship. He played the first 19 moves in less than 7 minutes. #DingGukesh #Chess #lichess

Screenshot of Lichess of the game 6 position and the move notation.

010 1

Hrastnik ♟️ @hrastnik.fosstodon.org.ap.brid.gy · 30/11/2024

Game 5 of the World Chess Championship is a draw keeping the score level at 2.5 - 2.5. #DingGukesh #Chess #lichess

011 1

Hrastnik ♟️ @hrastnik.fosstodon.org.ap.brid.gy · 29/11/2024

13.Qb3 is the first novelty of game 4 of the World Chess Championship. It's shaping up to be a strategic fight. #DingGukesh #WorldChessChampionship #Chess

Screenshot of the position after 13.Qb3 by Ding against Gukesh.

020 2

Hrastnik ♟️ @hrastnik.fosstodon.org.ap.brid.gy · 27/11/2024

Ding regrets his decisions in game 3 of the World Chess Championship as he runs into deep preparation and makes the wrong decisions in the middle game. #DingGukesh #Chess #WorldChessChampionship

Ding Liren looking to the side, deep in thought with his hand on his head while sitting at the chess board.

Photo by Maria Emelianova.

000 0

Hrastnik ♟️ @hrastnik.fosstodon.org.ap.brid.gy · 27/11/2024

Tale of the tape for game 3 of the World Chess Championship. Only 3 inaccuracies for Ding. The margins are so small in a match like this! #DingGukesh #Chess #lichess #WorldChessChampionship

Computer evaluation graph showing 98% accuracy for Gukesh and 93% for Ding.

010 1

Hrastnik ♟️ @hrastnik.fosstodon.org.ap.brid.gy · 27/11/2024

Less than 1 minute per move for Ding until move 40. #DingGukesh #Chess

Ding has less than 14 minutes with 14 moves to make to the time control. In game 3 of the championship.

110 1

Hrastnik ♟️ @hrastnik.fosstodon.org.ap.brid.gy · 26/11/2024

Ding Liren playing 1.e4 in game 2 of the World Chess Championship against Gukesh Dommaraju. What opening will we see tomorrow? #Chess #WorldChessChampionship #DingGukesh

Photo of Ding from China playing 1.e4 against Gukesh from India on a wooden chess board in the playing hall.

Photo taken by Maria Emelianova.

000 0

Hrastnik ♟️ @hrastnik.fosstodon.org.ap.brid.gy · 25/11/2024

One of my favorite features of #lichess is what ChessNetwork calls the "Tale of the Tape". It shows that Gukesh only made 2 mistakes in the game that he lost today. #ChessWorldChampionship #Chess #DingGukesh

Computer analysis showing 4 inaccuracies, 2 mistakes, 0 blunders and 91% accuracy for Gukesh D. While Ding Liren has 1 innacuracy, 0 mistakes, 0 blunders and 97% accuracy.

000 0

Hrastnik ♟️ @hrastnik.fosstodon.org.ap.brid.gy · 25/11/2024

I'm already getting nervous about Ding's time ticking down! #Chess #lichess #DingGukesh

Game 1 of the 2024 world chess championship after white's 14th move. Ding has 45 minutes left, while Gukesh has 1 hour and 31 minutes.

000 0

Hrastnik ♟️ @hrastnik.fosstodon.org.ap.brid.gy · 20/11/2024

For those of you that can't wait for the World Chess Championship to start, there's a #Chess960 match on 21 and 22 November at 12 GMT between #MagnusCarlsen and #FabianoCaruana. A rematch of the 2018 World #Chess #Championship. #FreestyleChess #lichess […] [Original post on fosstodon.org]

000 0

Hrastnik ♟️ @hrastnik.fosstodon.org.ap.brid.gy · 19/11/2024

They'll be facing each other in less than a week on 25 November in game 1 of the World #Chess #Championship. But here's pictures of how #DingLiren and #GukeshDommaraju got here. Ding won the World Chess Championship in early 2023 and Gukesh won the Candidates tournament early in 2024. #DingGukesh

Ding Liren at the closing ceremony of the 2023 World Chess Championship with a trophy in his hand.

Photo by Anna Shtourman.

Gukesh D at the closing ceremony of the 2024 Candidates tournament with the trophy in hand.

Photo by Michal Walusza.

000 0