Prepare against Riku Koskinen
Finland · World #30,038 classical · FIDE ID 504823
Our database contains 127 games by Riku Koskinen, covering Jul 2010 to Jul 2026. Below you'll find Riku Koskinen's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Riku Koskinen 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 | 1,985 | 1,997 | Oct 2025 |
| Rapid | 2,032 | 2,045 | Sep 2025 |
| Blitz | 1,964 | 1,975 | Oct 2022 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 127 | 45 | 37 | 45 | 35.4% |
| As White | 68 | 22 | 21 | 25 | 32.4% |
| As Black | 59 | 23 | 16 | 20 | 39.0% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Riku Koskinen's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Riku Koskinen's side.
First moves as White (68 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c4 | 38 | 55.9% | 47.4% |
| e4 | 23 | 33.8% | 41.3% |
| d4 | 4 | 5.9% | 50.0% |
| Nf3 | 2 | 2.9% | 100.0% |
| g3 | 1 | 1.5% | 100.0% |
Main lines as White
- 1.c4 — 56% of White games, 47.4% score
- …Nf6 (32% of these games) — Koskinen usually continues Nc3 (16.7% score)
- …e5 (29% of these games) — Koskinen usually continues Nc3 (61.1% score)
- …c6 (11% of these games) — Koskinen usually continues Nf3 (66.7% score)
- 1.e4 — 34% of White games, 41.3% score
- …c5 (39% of these games) — Koskinen usually continues Nf3 (75.0% score)
- …e6 (17% of these games) — Koskinen usually continues d4 (50.0% score)
- …d5 (9% of these games) — Koskinen usually continues exd5 (25.0% score)
As Black against 1.e4 (31 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 28 | 90.3% | 50.0% |
| g6 | 3 | 9.7% | 66.7% |
As Black against 1.d4 (21 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 15 | 71.4% | 53.3% |
| d5 | 3 | 14.3% | 50.0% |
| g6 | 2 | 9.5% | 0.0% |
| b6 | 1 | 4.8% | 50.0% |
Riku Koskinen's chess games
All 127 games by Riku Koskinen in the Chess.ceo database (Jul 2010 - Jul 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: 45 wins, 37 draws, 45 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A16 | English Opening | 15 | 3/7/5 | 20.0% |
| A25 | English Opening: Reverse Sicilian | 12 | 7/1/4 | 58.3% |
| B90 | Sicilian: Najdorf | 3 | 3/0/0 | 100.0% |
| A37 | English Opening: Symmetrical | 3 | 0/1/2 | 0.0% |
| A25 | Modern Defense | 3 | 2/0/1 | 66.7% |
| B01 | Scandinavian Defense: Main Line | 2 | 0/1/1 | 0.0% |
| B07 | Pirc Defense | 2 | 2/0/0 | 100.0% |
| A12 | English Opening: Slav Setup | 2 | 1/1/0 | 50.0% |
| C11 | French: Classical Variation | 2 | 0/2/0 | 0.0% |
| E07 | English Opening: Neo-Catalan | 1 | 0/1/0 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B34 | Sicilian: Accelerated Dragon | 12 | 5/2/5 | 41.7% |
| B06 | Modern Defense | 7 | 3/1/3 | 42.9% |
| B22 | Sicilian | 7 | 3/2/2 | 42.9% |
| D00 | Indian Defense | 6 | 1/3/2 | 16.7% |
| D85 | Grünfeld Defense | 6 | 2/2/2 | 33.3% |
| B25 | Sicilian: Closed | 3 | 2/0/1 | 66.7% |
| A39 | English Opening | 3 | 1/2/0 | 33.3% |
| B90 | Sicilian: Najdorf | 2 | 0/0/2 | 0.0% |
| B22 | Sicilian: Alapin | 2 | 1/0/1 | 50.0% |
| D02 | London System | 2 | 1/0/1 | 50.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Nov 2013 | Kalle Niemi | 2,314 | Turku We TuTS Open | A21 |
| Jan 2010 | Jukka Johansson | 2,111 | Salo We SalSK | D85 |
| Oct 2022 | Scott Fraser | 2,102 | chT-FIN 2223 | B27 |
| Jan 2011 | Markku Iivonen | 2,066 | Mikkeli Maenpaa Memorial | B52 |
| Jul 2010 | Antti Heikkila | 2,050 | ch-FIN Open | A89 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Turku We TuTS Open | 2014 | 15 | 7 | 2,079 |
| ch-FIN U18/20 | 2011 | 15 | 7 | 1,918 |
| Loimaa We LoimSK | 2011 | 10 | 7 | 2,117 |
| ch-FIN Open | 2010 | 9 | 5.5 | 2,112 |
| Naantali Open | 2011 | 9 | 5.5 | 2,172 |
| Turku We TSY Open | 2011 | 7 | 3 | 1,981 |
| ch-FIN U16/18 | 2009 | 7 | 3.5 | 1,803 |
| chT-FIN 2223 | 2023 | 5 | 1.5 | 1,893 |
Interactive opening tree from all 127 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Riku Koskinen's chess games?
127 games by Riku Koskinen, from Jul 2010 to Jul 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 Riku Koskinen has played.
What does Riku Koskinen play on the first move as White?
Across 68 games with White in our database, Riku Koskinen opens with 1.c4 (56% of games), 1.e4 (34% of games), 1.d4 (6% of games). Against 1.e4 as Black, Riku Koskinen answers 1...c5 (90% of games), 1...g6 (10% of games). Against 1.d4: 1...Nf6 (71% of games), 1...d5 (14% of games), 1...g6 (10% of games).
What openings does Riku Koskinen play as White?
As White, Riku Koskinen's most-played openings in our database are: English Opening (15 games, 20.0% win rate); English Opening: Reverse Sicilian (12 games, 58.3% win rate); Sicilian: Najdorf (3 games, 100.0% win rate). The full breakdown of 68 games with White is in the table above.
What openings does Riku Koskinen play as Black?
As Black, Riku Koskinen most often plays: Sicilian: Accelerated Dragon (12 games, 41.7% win rate); Modern Defense (7 games, 42.9% win rate); Sicilian (7 games, 42.9% win rate). See the table above for the top ten Black openings across 59 games.
What is Riku Koskinen's FIDE rating?
Riku Koskinen is currently rated 1,985 in classical chess, 2,032 in rapid and 1,964 in blitz. Peak classical rating: 1,997 (Oct 2025).
How many games has Riku Koskinen played?
Our database contains 127 games by Riku Koskinen, covering Jul 2010 to Jul 2026. Overall record: 45 wins, 37 draws, 45 losses (35.4% win rate).
How do I prepare against Riku Koskinen?
127 games by Riku Koskinen 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.