Prepare against Karl-Heinz Jacob
DEU · World #86,970 classical · FIDE ID 12989053
When preparing against Karl-Heinz Jacob, expect 1.Nf3 in 90% of White games. Against 1.e4 the reply is 1...d5 (54% of games); against 1.d4, 1...f5 (31%).
Our database contains 66 games by Karl-Heinz Jacob, covering Nov 2015 to Jul 2026. Below you'll find Karl-Heinz Jacob's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Karl-Heinz Jacob 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 | 1,768 | 1,819 | Aug 2024 |
| Rapid | 1,785 | 1,816 | May 2026 |
| Blitz | 1,826 | 1,826 | Jul 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 66 | 11 | 29 | 26 | 16.7% |
| As White | 30 | 6 | 10 | 14 | 20.0% |
| As Black | 36 | 5 | 19 | 12 | 13.9% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Karl-Heinz Jacob's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Karl-Heinz Jacob's side.
First moves as White (30 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf3 | 27 | 90.0% | 35.2% |
| b4 | 3 | 10.0% | 50.0% |
Main lines as White
- 1.Nf3 — 90% of White games, 35.2% score
- …Nf6 (33% of these games) — Jacob usually continues c4 (21.4% score)
- …c5 (19% of these games) — Jacob usually continues c4 (16.7% score)
- …d5 (19% of these games) — Jacob usually continues c4 (83.3% score)
- 1.b4 — 10% of White games, 50.0% score
- …Nf6 (67% of these games) — Jacob usually continues Bb2 (75.0% score)
- …e5 (33% of these games) — Jacob usually continues Bb2 (0.0% score)
As Black against 1.e4 (13 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 7 | 53.8% | 14.3% |
| Nf6 | 5 | 38.5% | 50.0% |
| e5 | 1 | 7.7% | 50.0% |
As Black against 1.d4 (13 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| f5 | 4 | 30.8% | 50.0% |
| e6 | 4 | 30.8% | 50.0% |
| d5 | 3 | 23.1% | 50.0% |
| Nf6 | 2 | 15.4% | 50.0% |
Karl-Heinz Jacob's chess games
All 66 games by Karl-Heinz Jacob in the Chess.ceo database (Nov 2015 - 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: 11 wins, 29 draws, 26 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A14 | English Opening | 9 | 0/4/5 | 0.0% |
| A09 | Réti Opening | 7 | 3/1/3 | 42.9% |
| A00 | Orangutan opening | 3 | 1/1/1 | 33.3% |
| A10 | English Opening: Neo-Catalan | 2 | 0/1/1 | 0.0% |
| A14 | English Opening: Symmetrical | 2 | 0/0/2 | 0.0% |
| D02 | London System | 2 | 1/1/0 | 50.0% |
| E65 | Réti Opening: Symmetrical Defense | 1 | 0/1/0 | 0.0% |
| D02 | Indian Defense | 1 | 0/0/1 | 0.0% |
| B06 | Modern Defense | 1 | 1/0/0 | 100.0% |
| E60 | Old Indian | 1 | 0/1/0 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B01 | Scandinavian Defense: Main Line | 7 | 0/2/5 | 0.0% |
| A95 | Dutch Defense | 6 | 1/3/2 | 16.7% |
| B02 | Alekhine Defense | 5 | 1/3/1 | 20.0% |
| A80 | Horwitz Defense | 4 | 1/2/1 | 25.0% |
| D00 | Queen's Pawn Game | 3 | 1/1/1 | 33.3% |
| A03 | Bird's opening | 2 | 0/2/0 | 0.0% |
| A22 | English Opening: Reverse Sicilian | 2 | 0/1/1 | 0.0% |
| A01 | Nimzovich-Larsen attack | 2 | 1/1/0 | 50.0% |
| A00 | Dunst Opening | 1 | 0/1/0 | 0.0% |
| C42 | Petrov's Defense | 1 | 0/1/0 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| May 2014 | Alfred Klesse | 1,887 | 13th GER Seniors Derby | A85 |
| Oct 2015 | Dietmar Moench | 1,798 | 14th Forchheim Open B | A09 |
| Oct 2014 | Robert Weidenhoefer | 1,771 | 13th Forchheim Open B | A01 |
| Aug 2014 | Johan Glase | 1,689 | 13th Berlin Lichtenberger Open | D04 |
| May 2014 | Peter Renz | 1,643 | 13th GER Seniors Derby | A09 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-Oberfranken | 2020 | 28 | 11.5 | 1,675 |
| 13th Berlin Lichtenberger Open | 2014 | 9 | 4 | 1,786 |
| 13th GER Seniors Derby | 2014 | 9 | 4 | 1,582 |
| Regionalliga NW 9798 | 1998 | 6 | 0.5 | 1,707 |
| 15th Forchheim Open B | 2016 | 5 | 1.5 | 1,557 |
| 14th Forchheim Open B | 2015 | 5 | 2 | 1,729 |
| 13th Forchheim Open B | 2014 | 4 | 2 | 1,664 |
Interactive opening tree from all 66 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Karl-Heinz Jacob's chess games?
66 games by Karl-Heinz Jacob, from Nov 2015 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 Karl-Heinz Jacob has played.
What does Karl-Heinz Jacob play on the first move as White?
Across 30 games with White in our database, Karl-Heinz Jacob opens with 1.Nf3 (90% of games), 1.b4 (10% of games). Against 1.e4 as Black, Karl-Heinz Jacob answers 1...d5 (54% of games), 1...Nf6 (38% of games), 1...e5 (8% of games). Against 1.d4: 1...f5 (31% of games), 1...e6 (31% of games), 1...d5 (23% of games).
What openings does Karl-Heinz Jacob play as White?
As White, Karl-Heinz Jacob's most-played openings in our database are: English Opening (9 games, 0.0% win rate); Réti Opening (7 games, 42.9% win rate); Orangutan opening (3 games, 33.3% win rate). The full breakdown of 30 games with White is in the table above.
What openings does Karl-Heinz Jacob play as Black?
As Black, Karl-Heinz Jacob most often plays: Scandinavian Defense: Main Line (7 games, 0.0% win rate); Dutch Defense (6 games, 16.7% win rate); Alekhine Defense (5 games, 20.0% win rate). See the table above for the top ten Black openings across 36 games.
What is Karl-Heinz Jacob's FIDE rating?
Karl-Heinz Jacob is currently rated 1,768 in classical chess, 1,785 in rapid and 1,826 in blitz. Peak classical rating: 1,819 (Aug 2024).
How many games has Karl-Heinz Jacob played?
Our database contains 66 games by Karl-Heinz Jacob, covering Nov 2015 to Jul 2026. Overall record: 11 wins, 29 draws, 26 losses (16.7% win rate).
How do I prepare against Karl-Heinz Jacob?
66 games by Karl-Heinz Jacob 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.