Chess diary

Chess diary

What InvisibleKnight72 learns from three-minute games on Chess.com: the mistakes that cost games, shown on a board that can be replayed and tested. Between 17 October 2026 and 25 October 2026 the rating went from 1272 to 788.

Each day of play has a page with its key positions. Each position shows the move that was played, what the engine says happened, and a better move. The patterns pages collect the same kind of mistake from every day, so progress shows up as fewer examples over time. Opponents are anonymous.

Rating

7008009001000110012001300140017 Oct18 Oct19 Oct20 Oct21 Oct22 Oct23 Oct24 Oct25 Oct
The rating shown before each of the 156 games, in the order played. The vertical lines mark the start of each day.

Progress by day

One row per day and, on long days, per session. Blunders per game is the number to watch, because it stays fair when the number of games changes.
DayGamesWon and lostRating, first to last gameBlunders per gameMistakes per gameLost from +3.0Seconds per move
17 October 2026 (3+0)61−51272 to 11091.832.1735.3
18 October 2026 (3+0)225−161067 to 9351.501.7754.4
Morning (06:08 to 07:39 UTC)42−21067 to 10991.253.0003.9
Afternoon (15:53 to 16:01 UTC)32−11069 to 11202.001.0003.5
Evening (18:32 to 21:59 UTC)151−131143 to 9351.471.6054.7
19 October 2026 (3+0 and 3+2)218−12958 to 9461.762.4854.7
3+0 games (14:28 to 22:04 UTC)103−6958 to 9461.502.4034.0
3+2 games (19:49 to 21:03 UTC)115−6896 to 8952.002.5525.3
20 October 2026 (3+2)159−6888 to 9181.072.0035.6
21 October 2026 (3+2)125−7910 to 9022.422.1755.0
22 October 2026 (3+2)62−2910 to 9022.003.1714.8
23 October 2026 (3+2)2911−18894 to 8500.932.0065.2
Morning (07:31 to 11:58 UTC)94−5894 to 8971.112.2225.1
Afternoon (13:38 to 15:51 UTC)83−5889 to 8800.882.2525.5
Evening (18:16 to 19:13 UTC)124−8872 to 8500.831.6725.2
24 October 2026 (3+2)1810−8858 to 8661.561.8324.8
25 October 2026 (3+2)278−18874 to 7882.482.5974.8
Morning (08:15 to 09:47 UTC)111−9874 to 8043.554.0044.5
Afternoon (13:53 to 16:48 UTC)136−7796 to 7961.541.6225.4
Evening (18:01 to 18:13 UTC)31−2788 to 7882.671.6714.7

Where to start

The pattern pages, ordered by how many featured positions each one has.

How the analysis was made

Every move of every game was checked with an engine, and the positions shown here were checked again at greater depth. Stockfish 17.1 for 17 to 23 October and Stockfish 19 from 24 October: depth 12 for every move of every game; the featured positions were checked at depth 18 with Stockfish 17.1 and Stockfish 19. A blunder is a move that lowers the engine evaluation by three pawns or more. The engine finds the moves; choosing which positions to feature and explaining them is done by hand. The seconds per move come from the clock readings stored in the games. Each position has a link that opens it in Lichess for a second opinion.