Prepare against Jiri Kociscak
IM · Czechia · World #744 classical · FIDE ID 322121
Our database contains 829 games by Jiri Kociscak, covering Oct 2003 to Aug 2026. Below you'll find Jiri Kociscak's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jiri Kociscak 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 | 2,480 | 2,510 | Nov 2019 |
| Rapid | 2,427 | 2,432 | May 2013 |
| Blitz | 2,475 | 2,537 | Jan 2018 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 829 | 390 | 220 | 219 | 47.0% |
| As White | 415 | 216 | 114 | 85 | 52.0% |
| As Black | 414 | 174 | 106 | 134 | 42.0% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Jiri Kociscak's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jiri Kociscak's side.
First moves as White (415 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 332 | 80.0% | 67.0% |
| e4 | 83 | 20.0% | 60.8% |
Main lines as White
- 1.d4 — 80% of White games, 67.0% score
- …Nf6 (59% of these games) — Kociscak usually continues c4 (63.0% score)
- …d5 (28% of these games) — Kociscak usually continues c4 (80.3% score)
- …g6 (3% of these games) — Kociscak usually continues c4 (68.8% score)
- 1.e4 — 20% of White games, 60.8% score
- …c5 (52% of these games) — Kociscak usually continues Nf3 (48.8% score)
- …e5 (19% of these games) — Kociscak usually continues Nf3 (71.9% score)
- …c6 (11% of these games) — Kociscak usually continues d4 (77.8% score)
As Black against 1.e4 (208 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 144 | 69.2% | 63.2% |
| c5 | 58 | 27.9% | 43.1% |
| e6 | 5 | 2.4% | 70.0% |
As Black against 1.d4 (132 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| f5 | 57 | 43.2% | 53.5% |
| Nf6 | 49 | 37.1% | 54.1% |
| d5 | 20 | 15.2% | 47.5% |
| c5 | 5 | 3.8% | 10.0% |
| e6 | 1 | 0.8% | 50.0% |
Jiri Kociscak's chess games
All 829 games by Jiri Kociscak in the Chess.ceo database (Oct 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: 390 wins, 220 draws, 219 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D36 | Indian Defense | 47 | 22/16/9 | 46.8% |
| D47 | Slav Defense | 47 | 30/14/3 | 63.8% |
| A57 | Benoni Defense | 32 | 15/13/4 | 46.9% |
| E32 | Nimzo-Indian: Classical Variation | 27 | 10/9/8 | 37.0% |
| E11 | Catalan | 27 | 16/8/3 | 59.3% |
| D91 | Grünfeld Defense | 19 | 10/2/7 | 52.6% |
| E12 | Queen's Indian Defense | 18 | 7/7/4 | 38.9% |
| B42 | Sicilian | 16 | 5/3/8 | 31.3% |
| E70 | King's Indian Defense | 14 | 8/3/3 | 57.1% |
| B90 | Sicilian: Najdorf | 12 | 5/2/5 | 41.7% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A80 | Dutch Defense | 75 | 31/22/22 | 41.3% |
| A57 | Benoni Defense | 33 | 12/4/17 | 36.4% |
| C88 | Ruy Lopez: Closed | 29 | 14/8/7 | 48.3% |
| C55 | Italian Game | 26 | 14/6/6 | 53.8% |
| C45 | Scotch Game | 24 | 12/4/8 | 50.0% |
| B22 | Sicilian | 16 | 2/4/10 | 12.5% |
| C67 | Ruy Lopez: Berlin Defense | 16 | 5/9/2 | 31.3% |
| B45 | Sicilian: Four Knights | 16 | 4/4/8 | 25.0% |
| A31 | English Opening | 14 | 7/4/3 | 50.0% |
| C77 | Ruy Lopez: Morphy Defense | 12 | 5/3/4 | 41.7% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Dec 2012 | David Navara | 2,710 | ch-CZE Blitz | E34 |
| Apr 2019 | Tamir Nabaty | 2,692 | chT-CZE 1819 | D02 |
| Dec 2013 | Viktor Laznicka | 2,681 | ch-CZE blitz prelim | D94 |
| Mar 2016 | Davit Shengelia | 2,576 | Frydek Mistek GM | E11 |
| Jan 2026 | Vladimir Baklan | 2,561 | TCh-CZE Extraliga 2025-26 | C55 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Karvina Open | 2012 | 45 | 28 | 2,278 |
| ch-CZE | 2019 | 29 | 10.5 | 2,333 |
| ch-CZE Blitz | 2019 | 28 | 16 | 2,481 |
| Ostrava Konik Open A | 2012 | 27 | 19 | 2,414 |
| Pobeskydy Open | 2013 | 18 | 13.5 | 2,338 |
| ch-CZE U16 | 2008 | 16 | 11.5 | 2,211 |
| Piestany Open | 2005 | 12 | 7 | 2,296 |
| chT-CZE 1213 | 2013 | 11 | 4.5 | 2,342 |
Interactive opening tree from all 829 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jiri Kociscak's chess games?
829 games by Jiri Kociscak, from Oct 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 Jiri Kociscak has played.
What does Jiri Kociscak play on the first move as White?
Across 415 games with White in our database, Jiri Kociscak opens with 1.d4 (80% of games), 1.e4 (20% of games). Against 1.e4 as Black, Jiri Kociscak answers 1...e5 (69% of games), 1...c5 (28% of games), 1...e6 (2% of games). Against 1.d4: 1...f5 (43% of games), 1...Nf6 (37% of games), 1...d5 (15% of games).
What openings does Jiri Kociscak play as White?
As White, Jiri Kociscak's most-played openings in our database are: Indian Defense (47 games, 46.8% win rate); Slav Defense (47 games, 63.8% win rate); Benoni Defense (32 games, 46.9% win rate). The full breakdown of 415 games with White is in the table above.
What openings does Jiri Kociscak play as Black?
As Black, Jiri Kociscak most often plays: Dutch Defense (75 games, 41.3% win rate); Benoni Defense (33 games, 36.4% win rate); Ruy Lopez: Closed (29 games, 48.3% win rate). See the table above for the top ten Black openings across 414 games.
What is Jiri Kociscak's FIDE rating?
Jiri Kociscak is currently rated 2,480 in classical chess, 2,427 in rapid and 2,475 in blitz. Peak classical rating: 2,510 (Nov 2019).
How many games has Jiri Kociscak played?
Our database contains 829 games by Jiri Kociscak, covering Oct 2003 to Aug 2026. Overall record: 390 wins, 220 draws, 219 losses (47.0% win rate).
How do I prepare against Jiri Kociscak?
829 games by Jiri Kociscak 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.