Prepare against Klaus Berg
IM · DNK · World #5,201 classical · FIDE ID 1400053
When preparing against Klaus Berg, expect 1.d4 in 44% of White games. Against 1.e4 the reply is 1...c6 (72% of games); against 1.d4, 1...Nf6 (77%). Lowest win rate among frequent openings: King's Indian Defense: Orthodox Variation as Black, 14.7% over 34 games.
Our database contains 1,704 games by Klaus Berg, covering Apr 2003 to Jul 2026. Below you'll find Klaus Berg's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Klaus Berg 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 | 2,268 | 2,440 | Apr 2009 |
| Rapid | 2,320 | 2,323 | Dec 2017 |
| Blitz | 2,203 | 2,323 | Dec 2017 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 1,704 | 525 | 748 | 431 | 30.8% |
| As White | 861 | 317 | 366 | 178 | 36.8% |
| As Black | 843 | 208 | 382 | 253 | 24.7% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Klaus Berg's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Klaus Berg's side.
First moves as White (861 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 377 | 43.8% | 59.7% |
| e4 | 214 | 24.9% | 57.9% |
| Nf3 | 129 | 15.0% | 55.0% |
| c4 | 114 | 13.2% | 57.0% |
| g3 | 22 | 2.6% | 47.7% |
| e3 | 2 | 0.2% | 100.0% |
Main lines as White
- 1.d4 — 44% of White games, 59.7% score
- …Nf6 (57% of these games) — Berg usually continues Nf3 (58.1% score)
- …d5 (23% of these games) — Berg usually continues c4 (42.9% score)
- …e6 (6% of these games) — Berg usually continues Nf3 (57.9% score)
- 1.e4 — 25% of White games, 57.9% score
- …c5 (46% of these games) — Berg usually continues Nf3 (60.6% score)
- …e5 (20% of these games) — Berg usually continues Nc3 (54.5% score)
- …e6 (12% of these games) — Berg usually continues d3 (50.0% score)
As Black against 1.e4 (351 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c6 | 252 | 71.8% | 49.2% |
| c5 | 35 | 10.0% | 48.6% |
| d5 | 35 | 10.0% | 48.6% |
| g6 | 17 | 4.8% | 67.6% |
| e6 | 7 | 2.0% | 35.7% |
| e5 | 3 | 0.9% | 50.0% |
As Black against 1.d4 (296 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 228 | 77.0% | 46.9% |
| d5 | 31 | 10.5% | 45.2% |
| d6 | 13 | 4.4% | 34.6% |
| g6 | 12 | 4.1% | 41.7% |
| c6 | 6 | 2.0% | 41.7% |
| e6 | 4 | 1.4% | 37.5% |
Klaus Berg's chess games
All 1,704 games by Klaus Berg 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: 525 wins, 748 draws, 431 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| E14 | Indian Defense | 103 | 38/49/16 | 36.9% |
| A45 | Trompowsky Attack | 49 | 25/14/10 | 51.0% |
| D00 | Queen's Pawn Game | 45 | 20/14/11 | 44.4% |
| A35 | English Opening | 39 | 13/18/8 | 33.3% |
| E97 | King's Indian Defense: Orthodox Variation | 38 | 12/19/7 | 31.6% |
| B20 | Sicilian | 35 | 15/11/9 | 42.9% |
| D13 | Slav Defense | 31 | 6/18/7 | 19.4% |
| B23 | Sicilian: Closed | 31 | 14/11/6 | 45.2% |
| B06 | Modern Defense | 29 | 11/11/7 | 37.9% |
| A34 | English Opening: Symmetrical | 28 | 10/16/2 | 35.7% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A57 | Benoni Defense | 93 | 28/36/29 | 30.1% |
| B19 | Caro-Kann: Classical | 73 | 15/38/20 | 20.5% |
| B14 | Caro-Kann: Exchange Variation | 58 | 13/28/17 | 22.4% |
| B12 | Caro-Kann: Advance Variation | 47 | 13/17/17 | 27.7% |
| B06 | Modern Defense | 46 | 15/21/10 | 32.6% |
| A07 | Réti Opening | 41 | 8/21/12 | 19.5% |
| B10 | Caro-Kann | 41 | 18/14/9 | 43.9% |
| A11 | English Opening | 36 | 9/18/9 | 25.0% |
| E94 | King's Indian Defense: Orthodox Variation | 34 | 5/17/12 | 14.7% |
| B01 | Scandinavian Defense: Main Line | 31 | 9/12/10 | 29.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Feb 2013 | Sergey A. Fedorchuk | 2,643 | 29th Cappelle Open | A07 |
| Jan 1994 | Johann Hjartarson | 2,595 | Akureyri | E76 |
| Jan 1993 | Jeroen Piket | 2,590 | Leeuwarden Open | A57 |
| Jan 1994 | Nick De Firmian | 2,580 | Akureyri | B25 |
| Jan 1994 | Loek Van Wely | 2,570 | Akureyri | A57 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-DEN | 2006 | 110 | 47 | 2,369 |
| Arnold Cup | 1994 | 44 | 25 | 2,482 |
| Aarhus | 1994 | 36 | 19 | 2,390 |
| Copenhagen Challenge | 2018 | 27 | 16 | 2,281 |
| Gausdal Int | 1993 | 20 | 13.5 | 2,510 |
| Silkeborg | 1988 | 20 | 8.5 | 2,350 |
| Helsingor Xtracon Open | 2019 | 19 | 12 | 2,204 |
| Forli Open | 1991 | 18 | 10.5 | 2,394 |
Frequent opponents
Head-to-head records: Jens Ove Fries-Nielsen (26 games) · Lars Schandorff (17 games) · Erling Mortensen (17 games) · Karsten Rasmussen (14 games) · Curt Hansen (13 games) · Henrik Danielsen (13 games) · Carsten Hoi (12 games) · Peter Heine Nielsen (10 games)
Interactive opening tree from all 1,704 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Klaus Berg's chess games?
1,704 games by Klaus Berg, 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 Klaus Berg has played.
What does Klaus Berg play on the first move as White?
Across 861 games with White in our database, Klaus Berg opens with 1.d4 (44% of games), 1.e4 (25% of games), 1.Nf3 (15% of games). Against 1.e4 as Black, Klaus Berg answers 1...c6 (72% of games), 1...c5 (10% of games), 1...d5 (10% of games). Against 1.d4: 1...Nf6 (77% of games), 1...d5 (10% of games), 1...d6 (4% of games).
What openings does Klaus Berg play as White?
As White, Klaus Berg's most-played openings in our database are: Indian Defense (103 games, 36.9% win rate); Trompowsky Attack (49 games, 51.0% win rate); Queen's Pawn Game (45 games, 44.4% win rate). The full breakdown of 861 games with White is in the table above.
What openings does Klaus Berg play as Black?
As Black, Klaus Berg most often plays: Benoni Defense (93 games, 30.1% win rate); Caro-Kann: Classical (73 games, 20.5% win rate); Caro-Kann: Exchange Variation (58 games, 22.4% win rate). See the table above for the top ten Black openings across 843 games.
What is Klaus Berg's FIDE rating?
Klaus Berg is currently rated 2,268 in classical chess, 2,320 in rapid and 2,203 in blitz. Peak classical rating: 2,440 (Apr 2009).
How many games has Klaus Berg played?
Our database contains 1,704 games by Klaus Berg, covering Apr 2003 to Jul 2026. Overall record: 525 wins, 748 draws, 431 losses (30.8% win rate).
How do I prepare against Klaus Berg?
1,704 games by Klaus Berg 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.