Prepare against Heikki M.J. Westerinen
GM · Finland · World #8,002 classical · FIDE ID 500020
When preparing against Heikki M.J. Westerinen, expect 1.e4 in 100% of White games. Against 1.e4 the reply is 1...e5 (41% of games); against 1.d4, 1...Nf6 (52%). Lowest win rate among frequent openings: Indian Defense as Black, 20.2% over 89 games.
Our database contains 3,300 games by Heikki M.J. Westerinen, covering Apr 2003 to Sep 2026. Below you'll find Heikki M.J. Westerinen's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Heikki M.J. Westerinen 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 | 2,205 | 2,410 | Oct 2005 |
| Rapid | 2,156 | 2,327 | Oct 2017 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 3,300 | 1,145 | 1,423 | 732 | 34.7% |
| As White | 1,643 | 627 | 711 | 305 | 38.2% |
| As Black | 1,657 | 518 | 712 | 427 | 31.3% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Heikki M.J. Westerinen's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Heikki M.J. Westerinen's side.
First moves as White (1,643 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 1,637 | 99.6% | 59.9% |
| d3 | 5 | 0.3% | 10.0% |
| Nf3 | 1 | 0.1% | 100.0% |
Main lines as White
- 1.e4 — 100% of White games, 59.9% score
- …c5 (47% of these games) — Westerinen usually continues Nf3 (57.2% score)
- …e5 (18% of these games) — Westerinen usually continues Nf3 (57.4% score)
- …e6 (15% of these games) — Westerinen usually continues d4 (61.0% score)
- 1.d3 — 0% of White games, 10.0% score
- …g6 (60% of these games) — Westerinen usually continues g3 (25.0% score)
- …d5 (20% of these games) — Westerinen usually continues Nf3 (0.0% score)
- …c5 (20% of these games) — Westerinen usually continues Nf3 (0.0% score)
As Black against 1.e4 (674 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 278 | 41.2% | 51.8% |
| e6 | 208 | 30.9% | 56.5% |
| Nf6 | 116 | 17.2% | 69.4% |
| d5 | 57 | 8.5% | 46.5% |
| c5 | 8 | 1.2% | 43.8% |
| Nc6 | 3 | 0.4% | 33.3% |
As Black against 1.d4 (602 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 311 | 51.7% | 54.3% |
| d5 | 204 | 33.9% | 40.4% |
| e6 | 39 | 6.5% | 47.4% |
| c5 | 29 | 4.8% | 55.2% |
| f5 | 12 | 2.0% | 70.8% |
| g6 | 5 | 0.8% | 30.0% |
Heikki M.J. Westerinen's chess games
All 3,300 games by Heikki M.J. Westerinen in the Chess.ceo database (Apr 2003 - Sep 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: 1,145 wins, 1,423 draws, 732 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B50 | Sicilian | 300 | 108/122/70 | 36.0% |
| C33 | King's Gambit | 123 | 63/38/22 | 51.2% |
| C15 | French: Winawer Variation | 82 | 37/31/14 | 45.1% |
| C05 | French: Tarrasch Variation | 79 | 34/31/14 | 43.0% |
| B31 | Sicilian: Rossolimo | 78 | 33/34/11 | 42.3% |
| B22 | Sicilian: Alapin | 75 | 22/38/15 | 29.3% |
| B90 | Sicilian: Najdorf | 66 | 21/28/17 | 31.8% |
| B23 | Sicilian: Closed | 65 | 32/24/9 | 49.2% |
| C92 | Ruy Lopez: Closed | 63 | 20/31/12 | 31.7% |
| B06 | Modern Defense | 59 | 24/25/10 | 40.7% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B03 | Alekhine Defense | 114 | 60/38/16 | 52.6% |
| E91 | King's Indian Defense: Orthodox Variation | 92 | 37/37/18 | 40.2% |
| D20 | Queen's Gambit Accepted | 90 | 20/35/35 | 22.2% |
| E62 | Indian Defense | 89 | 18/37/34 | 20.2% |
| A21 | English Opening: Reverse Sicilian | 74 | 26/25/23 | 35.1% |
| C92 | Ruy Lopez: Closed | 55 | 12/26/17 | 21.8% |
| D02 | Queen's Pawn Game | 52 | 13/29/10 | 25.0% |
| C67 | Ruy Lopez: Berlin Defense | 52 | 16/24/12 | 30.8% |
| A07 | Réti Opening | 51 | 20/16/15 | 39.2% |
| A43 | Benoni Defense | 50 | 17/20/13 | 34.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jan 1996 | Anatoly Karpov | 2,770 | Helsinki Simul | B17 |
| Feb 1979 | Bent Larsen | 2,620 | Copenhagen AS04 | B30 |
| Aug 1997 | Leonid Yudasin | 2,610 | Viking Open | C66 |
| Feb 2006 | Viktor Lvovich Kortschnoj | 2,606 | 08th chT-EU Seniors | C14 |
| Aug 2010 | Sergei Azarov | 2,600 | Arctic Chess Challenge | B50 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Troll Masters | 2003 | 95 | 55.5 | 2,445 |
| Arnold Cup | 1997 | 66 | 39 | 2,447 |
| Gausdal Int | 1995 | 65 | 39.5 | 2,505 |
| ch-FIN | 2005 | 55 | 30.5 | 2,371 |
| Copenhagen Challenge | 2015 | 48 | 30 | 2,311 |
| ch-Nordic Seniors | 2016 | 37 | 27.5 | 2,273 |
| Arctic Chess Challenge | 2010 | 36 | 21 | 2,294 |
| chT-EU Seniors | 2015 | 31 | 19 | 2,341 |
Frequent opponents
Head-to-head records: Einar J Gausel (22 games) · Jonathan D Tisdall (19 games) · Jouni Yrjola (18 games) · Thomas Ernst (15 games) · Rune Djurhuus (15 games) · Joose Norri (14 games) · Petri Kekki (13 games) · Tero Kokkila (11 games)
Interactive opening tree from all 3,300 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Heikki M.J. Westerinen's chess games?
3,300 games by Heikki M.J. Westerinen, from Apr 2003 to Sep 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 Heikki M.J. Westerinen has played.
What does Heikki M.J. Westerinen play on the first move as White?
Across 1,643 games with White in our database, Heikki M.J. Westerinen opens with 1.e4 (100% of games), 1.d3 (0% of games), 1.Nf3 (0% of games). Against 1.e4 as Black, Heikki M.J. Westerinen answers 1...e5 (41% of games), 1...e6 (31% of games), 1...Nf6 (17% of games). Against 1.d4: 1...Nf6 (52% of games), 1...d5 (34% of games), 1...e6 (6% of games).
What openings does Heikki M.J. Westerinen play as White?
As White, Heikki M.J. Westerinen's most-played openings in our database are: Sicilian (300 games, 36.0% win rate); King's Gambit (123 games, 51.2% win rate); French: Winawer Variation (82 games, 45.1% win rate). The full breakdown of 1,643 games with White is in the table above.
What openings does Heikki M.J. Westerinen play as Black?
As Black, Heikki M.J. Westerinen most often plays: Alekhine Defense (114 games, 52.6% win rate); King's Indian Defense: Orthodox Variation (92 games, 40.2% win rate); Queen's Gambit Accepted (90 games, 22.2% win rate). See the table above for the top ten Black openings across 1,657 games.
What is Heikki M.J. Westerinen's FIDE rating?
Heikki M.J. Westerinen is currently rated 2,205 in classical chess, 2,156 in rapid. Peak classical rating: 2,410 (Oct 2005).
How many games has Heikki M.J. Westerinen played?
Our database contains 3,300 games by Heikki M.J. Westerinen, covering Apr 2003 to Sep 2026. Overall record: 1,145 wins, 1,423 draws, 732 losses (34.7% win rate).
How do I prepare against Heikki M.J. Westerinen?
3,300 games by Heikki M.J. Westerinen 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.