Prepare against Jouko Viljanen
Finland · World #65,615 classical · FIDE ID 504041
When preparing against Jouko Viljanen, expect 1.d4 in 100% of White games. Against 1.e4 the reply is 1...c5 (100% of games); against 1.d4, 1...d5 (84%). Lowest win rate among frequent openings: Sicilian: Najdorf as Black, 21.1% over 19 games.
Our database contains 133 games by Jouko Viljanen, covering Apr 2003 to Jul 2026. Below you'll find Jouko Viljanen's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jouko Viljanen 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 | 1,836 | 1,941 | Jan 2004 |
| Rapid | 1,904 | 1,921 | Mar 2024 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 133 | 35 | 38 | 60 | 26.3% |
| As White | 64 | 21 | 16 | 27 | 32.8% |
| As Black | 69 | 14 | 22 | 33 | 20.3% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Jouko Viljanen's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jouko Viljanen's side.
First moves as White (64 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 64 | 100.0% | 45.3% |
Main lines as White
- 1.d4 — 100% of White games, 45.3% score
- …Nf6 (44% of these games) — Viljanen usually continues c4 (44.6% score)
- …d5 (38% of these games) — Viljanen usually continues c4 (54.2% score)
- …e6 (8% of these games) — Viljanen usually continues c4 (20.0% score)
As Black against 1.e4 (37 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 37 | 100.0% | 35.1% |
As Black against 1.d4 (19 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 16 | 84.2% | 34.4% |
| Nf6 | 3 | 15.8% | 50.0% |
Jouko Viljanen's chess games
All 133 games by Jouko Viljanen in the Chess.ceo database (Apr 2003 - 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: 35 wins, 38 draws, 60 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D10 | Slav Defense | 10 | 2/4/4 | 20.0% |
| D35 | Indian Defense | 8 | 5/1/2 | 62.5% |
| E81 | King's Indian: Sämisch | 6 | 3/1/2 | 50.0% |
| A43 | Benoni Defense | 5 | 1/1/3 | 20.0% |
| D31 | Queen's Gambit Declined | 5 | 1/3/1 | 20.0% |
| E72 | King's Indian Defense | 4 | 2/0/2 | 50.0% |
| A17 | Nimzo-Indian: Classical Variation | 4 | 0/1/3 | 0.0% |
| D85 | Grünfeld Defense | 3 | 0/1/2 | 0.0% |
| A42 | Modern Defense | 3 | 1/0/2 | 33.3% |
| D07 | Queen's Gambit | 2 | 2/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B99 | Sicilian: Najdorf | 19 | 4/3/12 | 21.1% |
| D35 | Indian Defense | 10 | 3/2/5 | 30.0% |
| B50 | Sicilian | 6 | 1/1/4 | 16.7% |
| A14 | English Opening | 5 | 0/2/3 | 0.0% |
| B23 | Sicilian: Closed | 4 | 0/2/2 | 0.0% |
| B52 | Sicilian: Moscow Variation | 3 | 1/2/0 | 33.3% |
| D36 | Queen's Gambit Declined | 3 | 0/1/2 | 0.0% |
| B22 | Sicilian: Alapin | 2 | 0/2/0 | 0.0% |
| D01 | Queen's Pawn Game | 2 | 1/0/1 | 50.0% |
| A02 | Bird's opening | 2 | 0/1/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jul 2006 | Joona Kainulainen | 2,136 | 16th Heart of Finland Open | E14 |
| Jan 2005 | Joni Koivula | 2,126 | Kokkola We KokkSK | E81 |
| May 2006 | Petri Suuronen | 1,943 | Vantaa We EtVaS | A05 |
| Jun 2010 | Mauno Kangas | 1,935 | ch-FIN Open | E72 |
| Jul 2012 | Sauli Pyylampi | 1,917 | Naantali Open | D10 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-FIN Open | 2013 | 31 | 13 | 1,912 |
| Naantali Open | 2015 | 24 | 10 | 1,778 |
| Naantali Avoin Open | 2018 | 16 | 6.5 | 1,805 |
| 29th Politiken Cup | 2007 | 10 | 5 | 2,131 |
| ch-FIN Seniors 50 | 2014 | 7 | 3 | 1,944 |
| Kokkola We KokkSK | 2013 | 7 | 5.5 | 2,109 |
| 16th Heart of Finland Open | 2006 | 6 | 1.5 | 1,975 |
| Helsinki Easter Open | 2018 | 6 | 2.5 | 1,922 |
Interactive opening tree from all 133 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jouko Viljanen's chess games?
133 games by Jouko Viljanen, from Apr 2003 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 Jouko Viljanen has played.
What does Jouko Viljanen play on the first move as White?
Across 64 games with White in our database, Jouko Viljanen opens with 1.d4 (100% of games). Against 1.e4 as Black, Jouko Viljanen answers 1...c5 (100% of games). Against 1.d4: 1...d5 (84% of games), 1...Nf6 (16% of games).
What openings does Jouko Viljanen play as White?
As White, Jouko Viljanen's most-played openings in our database are: Slav Defense (10 games, 20.0% win rate); Indian Defense (8 games, 62.5% win rate); King's Indian: Sämisch (6 games, 50.0% win rate). The full breakdown of 64 games with White is in the table above.
What openings does Jouko Viljanen play as Black?
As Black, Jouko Viljanen most often plays: Sicilian: Najdorf (19 games, 21.1% win rate); Indian Defense (10 games, 30.0% win rate); Sicilian (6 games, 16.7% win rate). See the table above for the top ten Black openings across 69 games.
What is Jouko Viljanen's FIDE rating?
Jouko Viljanen is currently rated 1,836 in classical chess, 1,904 in rapid. Peak classical rating: 1,941 (Jan 2004).
How many games has Jouko Viljanen played?
Our database contains 133 games by Jouko Viljanen, covering Apr 2003 to Jul 2026. Overall record: 35 wins, 38 draws, 60 losses (26.3% win rate).
How do I prepare against Jouko Viljanen?
133 games by Jouko Viljanen 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.