Prepare against Esko Koskimaa
Finland · World #44,157 classical · FIDE ID 505870
When preparing against Esko Koskimaa, expect 1.Nf3 in 53% of White games. Against 1.e4 the reply is 1...e5 (93% of games); against 1.d4, 1...Nf6 (100%).
Our database contains 69 games by Esko Koskimaa, covering Apr 2014 to Oct 2026. Below you'll find Esko Koskimaa's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Esko Koskimaa 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 | 1,917 | 2,122 | Mar 2015 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 69 | 17 | 21 | 31 | 24.6% |
| As White | 40 | 9 | 14 | 17 | 22.5% |
| As Black | 29 | 8 | 7 | 14 | 27.6% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Esko Koskimaa's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Esko Koskimaa's side.
First moves as White (40 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf3 | 21 | 52.5% | 28.6% |
| d4 | 19 | 47.5% | 52.6% |
Main lines as White
- 1.Nf3 — 53% of White games, 28.6% score
- …Nf6 (43% of these games) — Koskimaa usually continues c4 (42.9% score)
- …d5 (29% of these games) — Koskimaa usually continues c4 (41.7% score)
- …g6 (10% of these games) — Koskimaa usually continues c4 (0.0% score)
- 1.d4 — 48% of White games, 52.6% score
- …Nf6 (42% of these games) — Koskimaa usually continues Bg5 (50.0% score)
- …d5 (26% of these games) — Koskimaa usually continues c4 (20.0% score)
- …g6 (16% of these games) — Koskimaa usually continues Nf3 (75.0% score)
As Black against 1.e4 (14 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 13 | 92.9% | 46.2% |
| c6 | 1 | 7.1% | 0.0% |
As Black against 1.d4 (11 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 11 | 100.0% | 40.9% |
Esko Koskimaa's chess games
All 69 games by Esko Koskimaa in the Chess.ceo database (Apr 2014 - Oct 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: 17 wins, 21 draws, 31 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A12 | English Opening | 10 | 2/4/4 | 20.0% |
| A45 | Trompowsky Attack | 8 | 2/4/2 | 25.0% |
| A21 | Modern Defense | 4 | 2/1/1 | 50.0% |
| D16 | Slav Defense | 4 | 0/1/3 | 0.0% |
| A05 | Réti Opening | 3 | 1/1/1 | 33.3% |
| A34 | English Opening: Symmetrical | 2 | 0/1/1 | 0.0% |
| A14 | English Opening: Neo-Catalan | 2 | 0/0/2 | 0.0% |
| A21 | Dutch Defense | 1 | 0/0/1 | 0.0% |
| A89 | Rat Defense | 1 | 1/0/0 | 100.0% |
| E11 | Horwitz Defense | 1 | 1/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A57 | Benoni Defense | 9 | 1/3/5 | 11.1% |
| C56 | Italian Game | 5 | 1/0/4 | 20.0% |
| C63 | Ruy Lopez: Schliemann | 5 | 3/2/0 | 60.0% |
| C28 | Vienna Game | 2 | 1/0/1 | 50.0% |
| A31 | English Opening | 2 | 0/1/1 | 0.0% |
| B10 | Caro-Kann | 1 | 0/0/1 | 0.0% |
| E90 | King's Indian Defense | 1 | 1/0/0 | 100.0% |
| C48 | Four Knights Game: Spanish Variation | 1 | 0/0/1 | 0.0% |
| D03 | Trompowsky Attack | 1 | 0/1/0 | 0.0% |
| E70 | Old Indian | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| May 2012 | Antti Niemela | 2,280 | FIN Team Cup | A26 |
| Feb 2004 | Tanja Tuominen | 2,165 | chT-FIN 0304 | A12 |
| Nov 2018 | Ville Lehto | 2,150 | chT-FIN 1B 1819 | A89 |
| Oct 2008 | Jukka Tuovinen | 2,146 | chT1A-FIN 0809 | A12 |
| Nov 2014 | Vihtori Immonen | 2,127 | chT-FIN1B 1415 | A45 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| chT-FIN1B 1415 | 2015 | 7 | 3 | 2,046 |
| chT-FIN 1A 1112 | 2012 | 6 | 1.5 | 1,993 |
| Helsinki Open 2 | 2003 | 6 | 1.5 | 2,022 |
| chT-FIN 1B 1617 | 2017 | 6 | 2 | 1,966 |
| chT-FIN 1B 0910 | 2010 | 6 | 4 | 2,153 |
| chT-FIN 1B 0708 | 2008 | 5 | 1 | 1,889 |
| chT-FIN1B 1516 | 2016 | 5 | 2.5 | 2,084 |
| chT1-FIN Gp2 | 2023 | 4 | 3 | 2,031 |
Interactive opening tree from all 69 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Esko Koskimaa's chess games?
69 games by Esko Koskimaa, from Apr 2014 to Oct 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 Esko Koskimaa has played.
What does Esko Koskimaa play on the first move as White?
Across 40 games with White in our database, Esko Koskimaa opens with 1.Nf3 (53% of games), 1.d4 (48% of games). Against 1.e4 as Black, Esko Koskimaa answers 1...e5 (93% of games), 1...c6 (7% of games). Against 1.d4: 1...Nf6 (100% of games).
What openings does Esko Koskimaa play as White?
As White, Esko Koskimaa's most-played openings in our database are: English Opening (10 games, 20.0% win rate); Trompowsky Attack (8 games, 25.0% win rate); Modern Defense (4 games, 50.0% win rate). The full breakdown of 40 games with White is in the table above.
What openings does Esko Koskimaa play as Black?
As Black, Esko Koskimaa most often plays: Benoni Defense (9 games, 11.1% win rate); Italian Game (5 games, 20.0% win rate); Ruy Lopez: Schliemann (5 games, 60.0% win rate). See the table above for the top ten Black openings across 29 games.
What is Esko Koskimaa's FIDE rating?
Esko Koskimaa is currently rated 1,917 in classical chess. Peak classical rating: 2,122 (Mar 2015).
How many games has Esko Koskimaa played?
Our database contains 69 games by Esko Koskimaa, covering Apr 2014 to Oct 2026. Overall record: 17 wins, 21 draws, 31 losses (24.6% win rate).
How do I prepare against Esko Koskimaa?
69 games by Esko Koskimaa 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.