Prepare against Josef Koch
CHE · World #40,450 classical · FIDE ID 1337718
Our database contains 56 games by Josef Koch, covering Aug 2016 to Jul 2026. Below you'll find Josef Koch's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Josef Koch 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 | 1,933 | 2,007 | Jun 2025 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 56 | 28 | 11 | 17 | 50.0% |
| As White | 25 | 16 | 4 | 5 | 64.0% |
| As Black | 31 | 12 | 7 | 12 | 38.7% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Josef Koch's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Josef Koch's side.
First moves as White (25 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 23 | 92.0% | 73.9% |
| d4 | 2 | 8.0% | 50.0% |
Main lines as White
- 1.e4 — 92% of White games, 73.9% score
- …e6 (35% of these games) — Koch usually continues d4 (62.5% score)
- …e5 (30% of these games) — Koch usually continues Nf3 (85.7% score)
- …c5 (26% of these games) — Koch usually continues Nf3 (66.7% score)
- 1.d4 — 8% of White games, 50.0% score
- …e6 (50% of these games) — Koch usually continues c4 (50.0% score)
- …Nf6 (50% of these games) — Koch usually continues c4 (50.0% score)
As Black against 1.e4 (16 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 11 | 68.8% | 45.5% |
| e6 | 3 | 18.8% | 33.3% |
| c5 | 2 | 12.5% | 50.0% |
As Black against 1.d4 (6 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 6 | 100.0% | 66.7% |
Josef Koch's chess games
All 56 games by Josef Koch in the Chess.ceo database (Aug 2016 - 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: 28 wins, 11 draws, 17 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| C14 | French: Classical Variation | 5 | 4/0/1 | 80.0% |
| B43 | Sicilian | 3 | 2/0/1 | 66.7% |
| C93 | Ruy Lopez: Closed | 2 | 1/1/0 | 50.0% |
| B87 | Sicilian: Najdorf | 2 | 1/0/1 | 50.0% |
| C62 | Ruy Lopez | 2 | 2/0/0 | 100.0% |
| C40 | Latvian Gambit | 1 | 0/1/0 | 0.0% |
| C42 | Petrov's Defense | 1 | 1/0/0 | 100.0% |
| C50 | Philidor | 1 | 1/0/0 | 100.0% |
| B08 | Pirc Defense | 1 | 1/0/0 | 100.0% |
| B01 | Scandinavian Defense: Main Line | 1 | 1/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A03 | Bird's opening | 4 | 0/2/2 | 0.0% |
| D01 | Indian Defense | 4 | 1/0/3 | 25.0% |
| C01 | French Defense | 3 | 1/0/2 | 33.3% |
| C45 | Scotch Game | 3 | 0/1/2 | 0.0% |
| B32 | Sicilian | 2 | 1/0/1 | 50.0% |
| C24 | Bishop's Opening | 2 | 0/0/2 | 0.0% |
| A00 | Hungarian Opening | 2 | 2/0/0 | 100.0% |
| C56 | Italian Game | 2 | 0/2/0 | 0.0% |
| D35 | Queen's Gambit Declined | 2 | 2/0/0 | 100.0% |
| C89 | Ruy Lopez: Closed | 2 | 2/0/0 | 100.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jan 2010 | Rene Finger | 1,990 | 8th Zuerich Seniors Open | A20 |
| Jul 2016 | Kurt Baumann | 1,890 | ch-SUI Open | B73 |
| Feb 2010 | Hans Peter Reutimann | 1,887 | 8th Zuerich Seniors Open | C50 |
| Feb 2010 | Ruedi Duttweiler | 1,877 | 8th Zuerich Seniors Open | C89 |
| Jun 2006 | Beat Abegg | 1,852 | 4th Adelboden Seniors Open | C13 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| 8th Zuerich Seniors Open | 2010 | 9 | 6 | 1,844 |
| Adelboden Open | 2004 | 8 | 3.5 | 1,779 |
| 6th Zuerich Seniors Open | 2008 | 7 | 5.5 | 2,069 |
| 4th Adelboden Seniors Open | 2006 | 7 | 4 | 1,844 |
| 7th Zuerich Seniors Open | 2009 | 7 | 5 | 1,950 |
| ch-Frankfurt | 2007 | 7 | 3 | 1,669 |
| 5th Zuerich Seniors Open | 2007 | 5 | 3.5 | 1,951 |
| 2nd Zuerich Seniors Open | 2004 | 3 | 2 | 1,848 |
Interactive opening tree from all 56 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Josef Koch's chess games?
56 games by Josef Koch, from Aug 2016 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 Josef Koch has played.
What does Josef Koch play on the first move as White?
Across 25 games with White in our database, Josef Koch opens with 1.e4 (92% of games), 1.d4 (8% of games). Against 1.e4 as Black, Josef Koch answers 1...e5 (69% of games), 1...e6 (19% of games), 1...c5 (13% of games). Against 1.d4: 1...d5 (100% of games).
What openings does Josef Koch play as White?
As White, Josef Koch's most-played openings in our database are: French: Classical Variation (5 games, 80.0% win rate); Sicilian (3 games, 66.7% win rate); Ruy Lopez: Closed (2 games, 50.0% win rate). The full breakdown of 25 games with White is in the table above.
What openings does Josef Koch play as Black?
As Black, Josef Koch most often plays: Bird's opening (4 games, 0.0% win rate); Indian Defense (4 games, 25.0% win rate); French Defense (3 games, 33.3% win rate). See the table above for the top ten Black openings across 31 games.
What is Josef Koch's FIDE rating?
Josef Koch is currently rated 1,933 in classical chess. Peak classical rating: 2,007 (Jun 2025).
How many games has Josef Koch played?
Our database contains 56 games by Josef Koch, covering Aug 2016 to Jul 2026. Overall record: 28 wins, 11 draws, 17 losses (50.0% win rate).
How do I prepare against Josef Koch?
56 games by Josef Koch 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.