Prepare against Hannu E. Koskinen
Finland · World #62,731 classical · FIDE ID 512680
When preparing against Hannu E. Koskinen, expect 1.Nf3 in 100% of White games. Against 1.e4 the reply is 1...d6 (100% of games); against 1.d4, 1...Nf6 (100%). Lowest win rate among frequent openings: Pirc Defense as Black, 0.0% over 17 games.
Our database contains 76 games by Hannu E. Koskinen, covering Aug 2014 to Jul 2026. Below you'll find Hannu E. Koskinen's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Hannu E. 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 | 1,846 | 1,931 | Sep 2017 |
| Rapid | 1,933 | 1,933 | Jul 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 76 | 15 | 25 | 36 | 19.7% |
| As White | 33 | 9 | 11 | 13 | 27.3% |
| As Black | 43 | 6 | 14 | 23 | 14.0% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Hannu E. Koskinen's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Hannu E. Koskinen's side.
First moves as White (33 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf3 | 33 | 100.0% | 43.9% |
Main lines as White
- 1.Nf3 — 100% of White games, 43.9% score
- …d5 (39% of these games) — Koskinen usually continues d4 (50.0% score)
- …Nf6 (24% of these games) — Koskinen usually continues c4 (42.9% score)
- …c5 (9% of these games) — Koskinen usually continues c4 (66.7% score)
As Black against 1.e4 (17 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d6 | 17 | 100.0% | 20.6% |
As Black against 1.d4 (17 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 17 | 100.0% | 29.4% |
Hannu E. Koskinen's chess games
All 76 games by Hannu E. Koskinen in the Chess.ceo database (Aug 2014 - 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: 15 wins, 25 draws, 36 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D44 | Slav Defense | 6 | 3/1/2 | 50.0% |
| D39 | Indian Defense | 4 | 0/2/2 | 0.0% |
| E91 | King's Indian Defense: Orthodox Variation | 4 | 2/1/1 | 50.0% |
| D06 | Queen's Pawn Game | 4 | 2/1/1 | 50.0% |
| A41 | Modern Defense | 3 | 0/0/3 | 0.0% |
| A37 | English Opening: Symmetrical | 3 | 2/0/1 | 66.7% |
| A31 | English Opening | 2 | 0/1/1 | 0.0% |
| A55 | Réti Opening | 2 | 0/2/0 | 0.0% |
| A88 | Dutch Defense | 2 | 0/2/0 | 0.0% |
| B41 | Benoni Defense | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B09 | Pirc Defense | 17 | 0/7/10 | 0.0% |
| E70 | King's Indian Defense | 8 | 1/3/4 | 12.5% |
| E92 | King's Indian Defense: Orthodox Variation | 6 | 4/1/1 | 66.7% |
| E69 | English Opening | 5 | 1/1/3 | 20.0% |
| A45 | Trompowsky Attack | 3 | 0/0/3 | 0.0% |
| A01 | Nimzovich-Larsen attack | 1 | 0/1/0 | 0.0% |
| E92 | King's Indian Defense: Petrosian Variation | 1 | 0/0/1 | 0.0% |
| A05 | Réti Opening | 1 | 0/1/0 | 0.0% |
| E60 | Indian Defense: Tartakower Attack | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jun 2015 | Eero Wilen | 2,114 | Naantali Open | E99 |
| Jul 2017 | Eero Hintikka | 2,061 | 27th Heart of Finland Open | B38 |
| Jul 2017 | Henri Lahdelma | 2,055 | 27th Heart of Finland Open | D44 |
| Feb 2019 | Vladimir Agopov | 2,008 | chT-FIN 1B 1819 | E97 |
| Mar 2014 | Jari Kumpulainen | 1,904 | 3rd Helsinki We Garde Group B | E91 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Naantali Open | 2015 | 15 | 7 | 1,852 |
| 65th ch-FIN Seniors | 2022 | 15 | 8 | 1,890 |
| Helsinki MatSK Open | 2019 | 7 | 0.5 | 1,645 |
| Helsinki MatSK Weekend | 2018 | 6 | 1.5 | 1,825 |
| 27th Heart of Finland Open | 2017 | 6 | 2.5 | 2,067 |
| Helsinki HSK Open | 2018 | 5 | 2.5 | 1,899 |
| chT-FIN 1B 1819 | 2019 | 5 | 1.5 | 1,749 |
| 3rd Helsinki We Garde Group B | 2014 | 4 | 2 | 1,941 |
Interactive opening tree from all 76 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Hannu E. Koskinen's chess games?
76 games by Hannu E. Koskinen, from Aug 2014 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 Hannu E. Koskinen has played.
What does Hannu E. Koskinen play on the first move as White?
Across 33 games with White in our database, Hannu E. Koskinen opens with 1.Nf3 (100% of games). Against 1.e4 as Black, Hannu E. Koskinen answers 1...d6 (100% of games). Against 1.d4: 1...Nf6 (100% of games).
What openings does Hannu E. Koskinen play as White?
As White, Hannu E. Koskinen's most-played openings in our database are: Slav Defense (6 games, 50.0% win rate); Indian Defense (4 games, 0.0% win rate); King's Indian Defense: Orthodox Variation (4 games, 50.0% win rate). The full breakdown of 33 games with White is in the table above.
What openings does Hannu E. Koskinen play as Black?
As Black, Hannu E. Koskinen most often plays: Pirc Defense (17 games, 0.0% win rate); King's Indian Defense (8 games, 12.5% win rate); King's Indian Defense: Orthodox Variation (6 games, 66.7% win rate). See the table above for the top ten Black openings across 43 games.
What is Hannu E. Koskinen's FIDE rating?
Hannu E. Koskinen is currently rated 1,846 in classical chess, 1,933 in rapid. Peak classical rating: 1,931 (Sep 2017).
How many games has Hannu E. Koskinen played?
Our database contains 76 games by Hannu E. Koskinen, covering Aug 2014 to Jul 2026. Overall record: 15 wins, 25 draws, 36 losses (19.7% win rate).
How do I prepare against Hannu E. Koskinen?
76 games by Hannu E. 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.