Prepare against Timo Vierjoki
Finland · World #72,468 classical · FIDE ID 505951
When preparing against Timo Vierjoki, expect 1.c4 in 79% of White games. Against 1.e4 the reply is 1...e5 (95% of games); against 1.d4, 1...Nf6 (100%).
Our database contains 64 games by Timo Vierjoki, covering Apr 2009 to Jul 2026. Below you'll find Timo Vierjoki's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Timo Vierjoki 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 | 1,813 | 1,858 | Nov 2024 |
| Rapid | 1,865 | 1,901 | Nov 2025 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 64 | 15 | 13 | 36 | 23.4% |
| As White | 29 | 7 | 8 | 14 | 24.1% |
| As Black | 35 | 8 | 5 | 22 | 22.9% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Timo Vierjoki's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Timo Vierjoki's side.
First moves as White (29 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c4 | 23 | 79.3% | 39.1% |
| e4 | 6 | 20.7% | 33.3% |
Main lines as White
- 1.c4 — 79% of White games, 39.1% score
- …Nf6 (48% of these games) — Vierjoki usually continues g3 (33.3% score)
- …e5 (26% of these games) — Vierjoki usually continues g3 (33.3% score)
- …c5 (9% of these games) — Vierjoki usually continues Nc3 (0.0% score)
- 1.e4 — 21% of White games, 33.3% score
- …c5 (67% of these games) — Vierjoki usually continues Nf3 (37.5% score)
- …c6 (17% of these games) — Vierjoki usually continues d4 (50.0% score)
- …e5 (17% of these games) — Vierjoki usually continues Nf3 (0.0% score)
As Black against 1.e4 (22 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 21 | 95.5% | 26.2% |
| c5 | 1 | 4.5% | 100.0% |
As Black against 1.d4 (5 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 5 | 100.0% | 30.0% |
Timo Vierjoki's chess games
All 64 games by Timo Vierjoki in the Chess.ceo database (Apr 2009 - 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, 13 draws, 36 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A39 | English Opening | 10 | 2/4/4 | 20.0% |
| A20 | English Opening: Reverse Sicilian | 6 | 1/2/3 | 16.7% |
| A36 | English Opening: Symmetrical | 3 | 1/0/2 | 33.3% |
| E04 | Catalan | 3 | 2/0/1 | 66.7% |
| B44 | Sicilian | 2 | 1/1/0 | 50.0% |
| B33 | Sicilian: Sveshnikov | 1 | 0/0/1 | 0.0% |
| A21 | English Opening: Dutch Defense | 1 | 0/0/1 | 0.0% |
| C87 | Ruy Lopez: Berlin Defense | 1 | 0/0/1 | 0.0% |
| B84 | Sicilian: Najdorf | 1 | 0/0/1 | 0.0% |
| B16 | Caro-Kann: Main Line | 1 | 0/1/0 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| C64 | Ruy Lopez: Classical | 8 | 3/2/3 | 37.5% |
| C45 | Scotch Game | 5 | 0/0/5 | 0.0% |
| A03 | Bird's opening | 2 | 1/0/1 | 50.0% |
| A36 | English Opening: Symmetrical | 2 | 1/1/0 | 50.0% |
| C50 | Italian Game | 2 | 0/0/2 | 0.0% |
| C33 | King's Gambit | 2 | 1/0/1 | 50.0% |
| A09 | Réti Opening | 2 | 0/0/2 | 0.0% |
| D13 | Slav Defense | 2 | 1/0/1 | 50.0% |
| C54 | Bishop's Opening | 1 | 0/1/0 | 0.0% |
| D00 | London System | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jan 2010 | Esa Auvinen | 2,001 | Salo We SalSK | C64 |
| Jan 2012 | Veikko Rantanen | 2,001 | Loimaa We LoimSK | C64 |
| Jul 2017 | Ilse Ronnberg | 1,674 | Naantali Avoin Open | C34 |
| Nov 2022 | Eino Paasikangas | 1,288 | chT-FIN Gp2 | B44 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Loimaa We LoimSK | 2012 | 14 | 5 | 1,840 |
| Salo We SalSK | 2011 | 10 | 3.5 | 1,855 |
| Naantali Open | 2011 | 9 | 4 | 2,063 |
| Naantali Avoin Open | 2017 | 7 | 2 | 1,702 |
| Lahti We LahS | 2011 | 5 | 0.5 | 1,631 |
| FIN Team Cup | 2012 | 5 | 1.5 | 1,930 |
| chT1A-FIN 0910 | 2010 | 4 | 2.5 | 2,156 |
| Espoo We MatSK Open 2nd | 2010 | 4 | 1.5 | 1,861 |
Interactive opening tree from all 64 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Timo Vierjoki's chess games?
64 games by Timo Vierjoki, from Apr 2009 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 Timo Vierjoki has played.
What does Timo Vierjoki play on the first move as White?
Across 29 games with White in our database, Timo Vierjoki opens with 1.c4 (79% of games), 1.e4 (21% of games). Against 1.e4 as Black, Timo Vierjoki answers 1...e5 (95% of games), 1...c5 (5% of games). Against 1.d4: 1...Nf6 (100% of games).
What openings does Timo Vierjoki play as White?
As White, Timo Vierjoki's most-played openings in our database are: English Opening (10 games, 20.0% win rate); English Opening: Reverse Sicilian (6 games, 16.7% win rate); English Opening: Symmetrical (3 games, 33.3% win rate). The full breakdown of 29 games with White is in the table above.
What openings does Timo Vierjoki play as Black?
As Black, Timo Vierjoki most often plays: Ruy Lopez: Classical (8 games, 37.5% win rate); Scotch Game (5 games, 0.0% win rate); Bird's opening (2 games, 50.0% win rate). See the table above for the top ten Black openings across 35 games.
What is Timo Vierjoki's FIDE rating?
Timo Vierjoki is currently rated 1,813 in classical chess, 1,865 in rapid. Peak classical rating: 1,858 (Nov 2024).
How many games has Timo Vierjoki played?
Our database contains 64 games by Timo Vierjoki, covering Apr 2009 to Jul 2026. Overall record: 15 wins, 13 draws, 36 losses (23.4% win rate).
How do I prepare against Timo Vierjoki?
64 games by Timo Vierjoki 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.