Prepare against Juan Koch
Argentina · World #28,544 classical · FIDE ID 112143
When preparing against Juan Koch, expect 1.Nf3 in 53% of White games. Against 1.e4 the reply is 1...e5 (43% of games); against 1.d4, 1...Nf6 (65%). Lowest win rate among frequent openings: English Opening: Symmetrical as White, 20.0% over 15 games.
Our database contains 564 games by Juan Koch, covering Apr 2003 to Aug 2026. Below you'll find Juan Koch's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Juan 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 | 1,994 | 2,133 | Jan 2007 |
| Rapid | 1,981 | 2,027 | Aug 2016 |
| Blitz | 1,890 | 1,951 | Dec 2017 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 564 | 171 | 132 | 261 | 30.3% |
| As White | 273 | 84 | 70 | 119 | 30.8% |
| As Black | 291 | 87 | 62 | 142 | 29.9% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Juan Koch's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Juan Koch's side.
First moves as White (272 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf3 | 145 | 53.3% | 42.8% |
| c4 | 64 | 23.5% | 46.1% |
| e4 | 58 | 21.3% | 44.8% |
| d4 | 5 | 1.8% | 30.0% |
Main lines as White
- 1.Nf3 — 53% of White games, 42.8% score
- …Nf6 (46% of these games) — Koch usually continues c4 (38.4% score)
- …d5 (32% of these games) — Koch usually continues c4 (47.2% score)
- …c5 (8% of these games) — Koch usually continues c4 (21.4% score)
- 1.c4 — 24% of White games, 46.1% score
- …Nf6 (39% of these games) — Koch usually continues Nc3 (57.7% score)
- …e6 (16% of these games) — Koch usually continues g3 (25.0% score)
- …e5 (16% of these games) — Koch usually continues Nc3 (35.7% score)
As Black against 1.e4 (135 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 58 | 43.0% | 44.0% |
| c5 | 52 | 38.5% | 39.4% |
| e6 | 14 | 10.4% | 21.4% |
| d5 | 9 | 6.7% | 22.2% |
As Black against 1.d4 (101 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 66 | 65.3% | 47.0% |
| d5 | 28 | 27.7% | 37.5% |
| e6 | 7 | 6.9% | 35.7% |
Juan Koch's chess games
All 564 games by Juan Koch in the Chess.ceo database (Apr 2003 - Aug 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: 171 wins, 132 draws, 261 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A15 | English Opening | 50 | 17/13/20 | 34.0% |
| A09 | Réti Opening | 33 | 12/12/9 | 36.4% |
| E05 | Catalan | 21 | 6/4/11 | 28.6% |
| A25 | English Opening: Reverse Sicilian | 15 | 6/4/5 | 40.0% |
| E91 | King's Indian Defense: Orthodox Variation | 15 | 6/1/8 | 40.0% |
| A37 | English Opening: Symmetrical | 15 | 3/4/8 | 20.0% |
| A14 | English Opening: Neo-Catalan | 12 | 4/2/6 | 33.3% |
| B87 | Sicilian: Najdorf | 7 | 1/1/5 | 14.3% |
| B38 | Indian Defense | 7 | 4/2/1 | 57.1% |
| D19 | Slav Defense | 7 | 2/1/4 | 28.6% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B33 | Sicilian: Sveshnikov | 20 | 7/4/9 | 35.0% |
| A46 | Indian Defense | 20 | 9/7/4 | 45.0% |
| D32 | Queen's Gambit Declined | 16 | 5/2/9 | 31.3% |
| C55 | Italian Game | 15 | 6/4/5 | 40.0% |
| A08 | Réti Opening | 14 | 6/5/3 | 42.9% |
| A13 | English Opening | 10 | 2/4/4 | 20.0% |
| B31 | Sicilian: Rossolimo | 10 | 1/3/6 | 10.0% |
| B01 | Scandinavian Defense: Main Line | 9 | 1/2/6 | 11.1% |
| A36 | English Opening: Symmetrical | 8 | 1/1/6 | 12.5% |
| B13 | London System | 8 | 5/1/2 | 62.5% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Oct 2025 | Stephan Becking | 2,410 | Titled Tue | A46 |
| Sep 2025 | Jaka Brilej | 2,357 | Titled Tue | A00 |
| Jul 2026 | Evans Quek,S | 2,280 | Titled Tue 28th Jul 2026 | C57 |
| Feb 2004 | Pablo Della Morte | 2,270 | 2nd Escobar Open g75' | B57 |
| Aug 2008 | Ricardo Paternoste | 2,251 | ch-Faogba sf | B05 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Titled Tuesday | 2026 | 114 | 27.5 | 1,944 |
| Torre Blanca Copa de Campeones | 2002 | 13 | 6 | 1,944 |
| Torre Blanca A | 2002 | 11 | 2 | 1,926 |
| Buenos Aires Masters Open | 2024 | 11 | 4.5 | 1,868 |
| 20th Rio Grande Domingo Open | 2020 | 10 | 5 | 1,961 |
| 85th ch-ARG | 2010 | 10 | 4.5 | 2,063 |
| 2nd 3-0 Thursday | 2025 | 10 | 2.5 | 1,996 |
| Merlo IRT Sociedad Italiana 2nd | 2006 | 10 | 5.5 | 2,161 |
Interactive opening tree from all 564 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Juan Koch's chess games?
564 games by Juan Koch, from Apr 2003 to Aug 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 Juan Koch has played.
What does Juan Koch play on the first move as White?
Across 272 games with White in our database, Juan Koch opens with 1.Nf3 (53% of games), 1.c4 (24% of games), 1.e4 (21% of games). Against 1.e4 as Black, Juan Koch answers 1...e5 (43% of games), 1...c5 (39% of games), 1...e6 (10% of games). Against 1.d4: 1...Nf6 (65% of games), 1...d5 (28% of games), 1...e6 (7% of games).
What openings does Juan Koch play as White?
As White, Juan Koch's most-played openings in our database are: English Opening (50 games, 34.0% win rate); Réti Opening (33 games, 36.4% win rate); Catalan (21 games, 28.6% win rate). The full breakdown of 273 games with White is in the table above.
What openings does Juan Koch play as Black?
As Black, Juan Koch most often plays: Sicilian: Sveshnikov (20 games, 35.0% win rate); Indian Defense (20 games, 45.0% win rate); Queen's Gambit Declined (16 games, 31.3% win rate). See the table above for the top ten Black openings across 291 games.
What is Juan Koch's FIDE rating?
Juan Koch is currently rated 1,994 in classical chess, 1,981 in rapid and 1,890 in blitz. Peak classical rating: 2,133 (Jan 2007).
How many games has Juan Koch played?
Our database contains 564 games by Juan Koch, covering Apr 2003 to Aug 2026. Overall record: 171 wins, 132 draws, 261 losses (30.3% win rate).
How do I prepare against Juan Koch?
564 games by Juan 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.