Prepare against Ari Kotilainen
Finland · World #53,742 classical · FIDE ID 506982
Our database contains 103 games by Ari Kotilainen, covering Jul 2007 to Aug 2026. Below you'll find Ari Kotilainen's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Ari Kotilainen before a game. You can open the same data in the free interactive preparation workstation, which builds a move-by-move opening tree from every game.
Ratings
| Time control | Current | Peak | Peak date |
|---|---|---|---|
| Classical | 1,878 | 2,098 | Jan 2008 |
| Rapid | 1,887 | 1,946 | May 2023 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 103 | 25 | 30 | 48 | 24.3% |
| As White | 57 | 13 | 22 | 22 | 22.8% |
| As Black | 46 | 12 | 8 | 26 | 26.1% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Ari Kotilainen's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Ari Kotilainen's side.
First moves as White (57 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 55 | 96.5% | 40.9% |
| d4 | 1 | 1.8% | 100.0% |
| f4 | 1 | 1.8% | 50.0% |
Main lines as White
- 1.e4 — 96% of White games, 40.9% score
- …c5 (42% of these games) — Kotilainen usually continues Nf3 (35.0% score)
- …e5 (22% of these games) — Kotilainen usually continues Nc3 (62.5% score)
- …e6 (13% of these games) — Kotilainen usually continues d4 (50.0% score)
- 1.d4 — 2% of White games, 100.0% score
- …Nf6 (100% of these games) — Kotilainen usually continues Bg5 (100.0% score)
As Black against 1.e4 (22 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c6 | 15 | 68.2% | 40.0% |
| g6 | 3 | 13.6% | 66.7% |
| c5 | 2 | 9.1% | 50.0% |
| d5 | 1 | 4.5% | 0.0% |
| e5 | 1 | 4.5% | 0.0% |
As Black against 1.d4 (16 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| g6 | 12 | 75.0% | 25.0% |
| d5 | 1 | 6.3% | 100.0% |
| d6 | 1 | 6.3% | 50.0% |
| f5 | 1 | 6.3% | 0.0% |
| c5 | 1 | 6.3% | 0.0% |
Ari Kotilainen's chess games
All 103 games by Ari Kotilainen in the Chess.ceo database (Jul 2007 - Aug 2026) are free to browse, search and replay: filter by opening, opponent, event or date on the player page, or step through any game on the analysis board. Record: 25 wins, 30 draws, 48 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B21 | Sicilian: Grand Prix Attack | 9 | 2/3/4 | 22.2% |
| C29 | Vienna Game | 7 | 4/1/2 | 57.1% |
| C00 | French Defense | 4 | 0/3/1 | 0.0% |
| B01 | Scandinavian Defense: Main Line | 3 | 0/1/2 | 0.0% |
| B06 | Modern Defense | 3 | 1/0/2 | 33.3% |
| B23 | Sicilian: Closed | 3 | 0/3/0 | 0.0% |
| B51 | Sicilian: Moscow Variation | 2 | 0/0/2 | 0.0% |
| B33 | Sicilian: Sveshnikov | 2 | 0/1/1 | 0.0% |
| B32 | Sicilian | 2 | 2/0/0 | 100.0% |
| C12 | French: Winawer Variation | 2 | 0/2/0 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B06 | Modern Defense | 19 | 5/4/10 | 26.3% |
| B10 | Caro-Kann | 5 | 3/0/2 | 60.0% |
| B13 | Caro-Kann: Exchange Variation | 4 | 0/0/4 | 0.0% |
| B12 | Caro-Kann: Main Line | 3 | 1/0/2 | 33.3% |
| B12 | Caro-Kann: Advance Variation | 2 | 1/0/1 | 50.0% |
| A20 | English Opening: Reverse Sicilian | 1 | 0/0/1 | 0.0% |
| E97 | King's Indian Defense: Orthodox Variation | 1 | 0/0/1 | 0.0% |
| B27 | Pirc Defense | 1 | 0/1/0 | 0.0% |
| D02 | Queen's Pawn Game | 1 | 1/0/0 | 100.0% |
| C99 | Ruy Lopez: Closed | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jan 2010 | Antti Heikkila | 2,057 | Tampere We Taraus Open A | B45 |
| Jul 2018 | Lasse Lehtohalme | 1,986 | 28th Heart of Finland Open | B32 |
| Jan 2008 | Anssi Halmesvirta | 1,973 | chT-FIN 1D 0809 | C25 |
| Feb 2017 | Markku Raitanen | 1,961 | chT-FIN Gp4 1617 | B20 |
| Jan 2019 | Asko Linna | 1,932 | chT-FIN Gp4 1819 | A40 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Kajaani We KaSY Open | 2012 | 13 | 6.5 | 2,092 |
| 23rd Heart of Finland Open | 2013 | 6 | 1.5 | 1,986 |
| chT-FIN Gp4 1819 | 2019 | 6 | 2.5 | 1,968 |
| Naantali Open | 2015 | 6 | 2.5 | 1,743 |
| chT-FIN Gp4 1617 | 2017 | 6 | 3 | 1,915 |
| Tampere We Taraus Open A | 2010 | 5 | 2.5 | 2,075 |
| chT-FIN Gp4 1718 | 2017 | 5 | 0 | 1,564 |
| chT-FIN 1D 0809 | 2009 | 5 | 4 | 2,213 |
Interactive opening tree from all 103 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Ari Kotilainen's chess games?
103 games by Ari Kotilainen, from Jul 2007 to Aug 2026, are free to browse and replay move by move — no signup needed. The preparation view groups them into an opening tree showing every line Ari Kotilainen has played.
What does Ari Kotilainen play on the first move as White?
Across 57 games with White in our database, Ari Kotilainen opens with 1.e4 (96% of games), 1.d4 (2% of games), 1.f4 (2% of games). Against 1.e4 as Black, Ari Kotilainen answers 1...c6 (68% of games), 1...g6 (14% of games), 1...c5 (9% of games). Against 1.d4: 1...g6 (75% of games), 1...d5 (6% of games), 1...d6 (6% of games).
What openings does Ari Kotilainen play as White?
As White, Ari Kotilainen's most-played openings in our database are: Sicilian: Grand Prix Attack (9 games, 22.2% win rate); Vienna Game (7 games, 57.1% win rate); French Defense (4 games, 0.0% win rate). The full breakdown of 57 games with White is in the table above.
What openings does Ari Kotilainen play as Black?
As Black, Ari Kotilainen most often plays: Modern Defense (19 games, 26.3% win rate); Caro-Kann (5 games, 60.0% win rate); Caro-Kann: Exchange Variation (4 games, 0.0% win rate). See the table above for the top ten Black openings across 46 games.
What is Ari Kotilainen's FIDE rating?
Ari Kotilainen is currently rated 1,878 in classical chess, 1,887 in rapid. Peak classical rating: 2,098 (Jan 2008).
How many games has Ari Kotilainen played?
Our database contains 103 games by Ari Kotilainen, covering Jul 2007 to Aug 2026. Overall record: 25 wins, 30 draws, 48 losses (24.3% win rate).
How do I prepare against Ari Kotilainen?
103 games by Ari Kotilainen reveal their opening repertoire, most-played lines, and the variations where they score worst — the raw material for targeted preparation. The interactive opening tree lets you walk every line to any depth.