Prepare against Ulf Karlsson
Sweden · World #44,114 classical · FIDE ID 1721674
Our database contains 163 games by Ulf Karlsson, covering Jul 2012 to Jul 2026. Below you'll find Ulf Karlsson's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Ulf Karlsson 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 | 1,917 | 2,053 | Dec 2015 |
| Rapid | 1,923 | 2,075 | Jun 2017 |
| Blitz | 1,962 | 1,962 | Jul 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 163 | 41 | 54 | 68 | 25.2% |
| As White | 79 | 16 | 34 | 29 | 20.3% |
| As Black | 84 | 25 | 20 | 39 | 29.8% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Ulf Karlsson's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Ulf Karlsson's side.
First moves as White (79 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 71 | 89.9% | 39.4% |
| b3 | 5 | 6.3% | 70.0% |
| Nf3 | 2 | 2.5% | 50.0% |
| Nc3 | 1 | 1.3% | 50.0% |
Main lines as White
- 1.e4 — 90% of White games, 39.4% score
- …c5 (48% of these games) — Karlsson usually continues Nc3 (45.5% score)
- …e5 (15% of these games) — Karlsson usually continues Nf3 (22.7% score)
- …e6 (14% of these games) — Karlsson usually continues d3 (35.7% score)
- 1.b3 — 6% of White games, 70.0% score
- …Nf6 (40% of these games) — Karlsson usually continues Bb2 (50.0% score)
- …e5 (40% of these games) — Karlsson usually continues Bb2 (100.0% score)
- …c5 (20% of these games) — Karlsson usually continues Bb2 (50.0% score)
As Black against 1.e4 (44 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 43 | 97.7% | 47.7% |
| b6 | 1 | 2.3% | 0.0% |
As Black against 1.d4 (24 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 14 | 58.3% | 42.9% |
| Nf6 | 10 | 41.7% | 30.0% |
Ulf Karlsson's chess games
All 163 games by Ulf Karlsson in the Chess.ceo database (Jul 2012 - 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: 41 wins, 54 draws, 68 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B25 | Sicilian: Closed | 33 | 7/16/10 | 21.2% |
| C47 | Four Knights Game: Scotch Variation | 8 | 1/2/5 | 12.5% |
| C00 | King's Indian Attack | 7 | 2/1/4 | 28.6% |
| B19 | Caro-Kann: Classical | 7 | 1/4/2 | 14.3% |
| A01 | Nimzovich-Larsen attack | 5 | 3/1/1 | 60.0% |
| B25 | Modern Defense | 3 | 0/2/1 | 0.0% |
| C47 | Scotch Game | 3 | 0/1/2 | 0.0% |
| B40 | French Defense | 2 | 0/1/1 | 0.0% |
| B06 | Pirc Defense | 2 | 1/1/0 | 50.0% |
| A11 | Réti Opening | 2 | 1/0/1 | 50.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B32 | Sicilian | 20 | 6/4/10 | 30.0% |
| D34 | Queen's Gambit Declined | 11 | 4/0/7 | 36.4% |
| B30 | Sicilian: Rossolimo | 7 | 1/4/2 | 14.3% |
| B22 | Sicilian: Alapin | 6 | 1/2/3 | 16.7% |
| B23 | Sicilian: Closed | 5 | 2/2/1 | 40.0% |
| D34 | English Opening: Symmetrical | 4 | 1/1/2 | 25.0% |
| A25 | English Opening: Reverse Sicilian | 4 | 0/1/3 | 0.0% |
| A52 | Budapest Defense | 4 | 0/1/3 | 0.0% |
| A32 | English Opening | 3 | 2/1/0 | 66.7% |
| D34 | Indian Defense | 3 | 1/1/1 | 33.3% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jul 2012 | Martin Alexander Becker | 2,375 | 34th Politiken Cup | B21 |
| May 2015 | Poul Rewitz | 2,257 | Copenhagen Challenge | A00 |
| Feb 2015 | Jan Nordenbaek | 2,198 | Copenhagen Bronshoj Open | B25 |
| Feb 2015 | Mogens Moe | 2,183 | Copenhagen Bronshoj Open | B23 |
| May 2013 | Tomas Rosell | 2,157 | Deltalift Open | B33 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Copenhagen Challenge | 2016 | 38 | 16 | 2,057 |
| Copenhagen Bronshoj Open | 2016 | 21 | 11 | 2,042 |
| Helsingor Xtracon Open | 2017 | 10 | 4.5 | 1,867 |
| 34th Politiken Cup | 2012 | 10 | 5 | 2,047 |
| 35th Politiken Cup | 2013 | 10 | 5 | 2,067 |
| 36th Politiken Cup | 2014 | 10 | 5.5 | 2,070 |
| Koge Xtracon Open | 2014 | 9 | 5 | 2,027 |
| 37th Politiken Cup | 2015 | 9 | 4.5 | 2,046 |
Interactive opening tree from all 163 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Ulf Karlsson's chess games?
163 games by Ulf Karlsson, from Jul 2012 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 Ulf Karlsson has played.
What does Ulf Karlsson play on the first move as White?
Across 79 games with White in our database, Ulf Karlsson opens with 1.e4 (90% of games), 1.b3 (6% of games), 1.Nf3 (3% of games). Against 1.e4 as Black, Ulf Karlsson answers 1...c5 (98% of games), 1...b6 (2% of games). Against 1.d4: 1...d5 (58% of games), 1...Nf6 (42% of games).
What openings does Ulf Karlsson play as White?
As White, Ulf Karlsson's most-played openings in our database are: Sicilian: Closed (33 games, 21.2% win rate); Four Knights Game: Scotch Variation (8 games, 12.5% win rate); King's Indian Attack (7 games, 28.6% win rate). The full breakdown of 79 games with White is in the table above.
What openings does Ulf Karlsson play as Black?
As Black, Ulf Karlsson most often plays: Sicilian (20 games, 30.0% win rate); Queen's Gambit Declined (11 games, 36.4% win rate); Sicilian: Rossolimo (7 games, 14.3% win rate). See the table above for the top ten Black openings across 84 games.
What is Ulf Karlsson's FIDE rating?
Ulf Karlsson is currently rated 1,917 in classical chess, 1,923 in rapid and 1,962 in blitz. Peak classical rating: 2,053 (Dec 2015).
How many games has Ulf Karlsson played?
Our database contains 163 games by Ulf Karlsson, covering Jul 2012 to Jul 2026. Overall record: 41 wins, 54 draws, 68 losses (25.2% win rate).
How do I prepare against Ulf Karlsson?
163 games by Ulf Karlsson 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.