Prepare against Claes-Goran Westerberg
Sweden · World #45,091 classical · FIDE ID 1712691
Our database contains 38 games by Claes-Goran Westerberg, covering Jul 2009 to Jul 2026. Below you'll find Claes-Goran Westerberg's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Claes-Goran Westerberg 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 | 1,913 | 2,053 | Mar 2011 |
| Rapid | 1,907 | 1,908 | Jun 2025 |
| Blitz | 1,840 | 1,942 | Nov 2015 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 38 | 12 | 11 | 15 | 31.6% |
| As White | 21 | 8 | 7 | 6 | 38.1% |
| As Black | 17 | 4 | 4 | 9 | 23.5% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Claes-Goran Westerberg's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Claes-Goran Westerberg's side.
First moves as White (21 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 18 | 85.7% | 52.8% |
| d4 | 2 | 9.5% | 50.0% |
| Nf3 | 1 | 4.8% | 100.0% |
Main lines as White
- 1.e4 — 86% of White games, 52.8% score
- …c5 (39% of these games) — Westerberg usually continues c3 (41.7% score)
- …e5 (22% of these games) — Westerberg usually continues Nf3 (83.3% score)
- …e6 (17% of these games) — Westerberg usually continues d4 (16.7% score)
- 1.d4 — 10% of White games, 50.0% score
- …Nf6 (50% of these games) — Westerberg usually continues Nf3 (100.0% score)
- …g6 (50% of these games) — Westerberg usually continues Nf3 (0.0% score)
As Black against 1.e4 (6 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 6 | 100.0% | 25.0% |
As Black against 1.d4 (8 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 4 | 50.0% | 62.5% |
| e6 | 2 | 25.0% | 75.0% |
| f5 | 1 | 12.5% | 0.0% |
| d6 | 1 | 12.5% | 50.0% |
Claes-Goran Westerberg's chess games
All 38 games by Claes-Goran Westerberg in the Chess.ceo database (Jul 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: 12 wins, 11 draws, 15 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B22 | Sicilian: Alapin | 6 | 1/3/2 | 16.7% |
| C44 | Scotch Game | 4 | 3/1/0 | 75.0% |
| C02 | French: Advance Variation | 3 | 0/1/2 | 0.0% |
| B13 | Caro-Kann: Exchange Variation | 2 | 1/1/0 | 50.0% |
| B07 | Pirc Defense | 2 | 1/1/0 | 50.0% |
| A07 | Réti Opening | 1 | 1/0/0 | 100.0% |
| B73 | Modern Defense | 1 | 0/0/1 | 0.0% |
| D00 | Indian Defense | 1 | 1/0/0 | 100.0% |
| B81 | Sicilian: Scheveningen | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B29 | Sicilian | 3 | 1/0/2 | 33.3% |
| A85 | Horwitz Defense | 2 | 1/1/0 | 50.0% |
| B22 | Sicilian: Alapin | 2 | 0/1/1 | 0.0% |
| A52 | Budapest Defense | 2 | 1/1/0 | 50.0% |
| A01 | Nimzovich-Larsen attack | 1 | 0/0/1 | 0.0% |
| B09 | Pirc Defense | 1 | 0/1/0 | 0.0% |
| E01 | Queen's Pawn Game | 1 | 0/0/1 | 0.0% |
| A39 | Réti Opening: Symmetrical Defense | 1 | 0/0/1 | 0.0% |
| B47 | Sicilian: Taimanov | 1 | 0/0/1 | 0.0% |
| A80 | Dutch Defense | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Mar 2009 | Olafur Thorsson | 2,199 | Reykjavik Open | B07 |
| Jan 1994 | Borislava Borisova | 2,155 | Stockholm Kristallen Open | A07 |
| Mar 2009 | Christin Andersson | 2,132 | Reykjavik Open | C44 |
| Mar 2009 | Stefan Arnalds | 1,953 | Reykjavik Open | A52 |
| Apr 2008 | Leif Kverndal | 1,914 | Gausdal Open B | B00 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Reykjavik Open | 2009 | 9 | 4 | 2,149 |
| Gausdal Open B | 2008 | 9 | 5 | 2,009 |
| 20th Chigorin Memorial | 2012 | 9 | 4 | 1,963 |
| Stockholm Kristallen Open | 1994 | 5 | 1.5 | 2,051 |
| 14th Liberec Open | 2013 | 5 | 2 | 1,943 |
| Stockholm Kristallen KM Open | 1995 | 1 | 1 | – |
Interactive opening tree from all 38 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Claes-Goran Westerberg's chess games?
38 games by Claes-Goran Westerberg, from Jul 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 Claes-Goran Westerberg has played.
What does Claes-Goran Westerberg play on the first move as White?
Across 21 games with White in our database, Claes-Goran Westerberg opens with 1.e4 (86% of games), 1.d4 (10% of games), 1.Nf3 (5% of games). Against 1.e4 as Black, Claes-Goran Westerberg answers 1...c5 (100% of games). Against 1.d4: 1...Nf6 (50% of games), 1...e6 (25% of games), 1...f5 (13% of games).
What openings does Claes-Goran Westerberg play as White?
As White, Claes-Goran Westerberg's most-played openings in our database are: Sicilian: Alapin (6 games, 16.7% win rate); Scotch Game (4 games, 75.0% win rate); French: Advance Variation (3 games, 0.0% win rate). The full breakdown of 21 games with White is in the table above.
What openings does Claes-Goran Westerberg play as Black?
As Black, Claes-Goran Westerberg most often plays: Sicilian (3 games, 33.3% win rate); Horwitz Defense (2 games, 50.0% win rate); Sicilian: Alapin (2 games, 0.0% win rate). See the table above for the top ten Black openings across 17 games.
What is Claes-Goran Westerberg's FIDE rating?
Claes-Goran Westerberg is currently rated 1,913 in classical chess, 1,907 in rapid and 1,840 in blitz. Peak classical rating: 2,053 (Mar 2011).
How many games has Claes-Goran Westerberg played?
Our database contains 38 games by Claes-Goran Westerberg, covering Jul 2009 to Jul 2026. Overall record: 12 wins, 11 draws, 15 losses (31.6% win rate).
How do I prepare against Claes-Goran Westerberg?
38 games by Claes-Goran Westerberg 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.