Prepare against Slaven Kostrun
FM · HRV · World #9,003 classical · FIDE ID 14506645
Our database contains 89 games by Slaven Kostrun, covering Apr 2003 to Jul 2026. Below you'll find Slaven Kostrun's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Slaven Kostrun 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 | 2,186 | 2,337 | Mar 2010 |
| Rapid | 2,195 | 2,226 | May 2025 |
| Blitz | 2,187 | 2,248 | May 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 89 | 35 | 26 | 28 | 39.3% |
| As White | 44 | 18 | 16 | 10 | 40.9% |
| As Black | 45 | 17 | 10 | 18 | 37.8% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Slaven Kostrun's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Slaven Kostrun's side.
First moves as White (44 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf3 | 17 | 38.6% | 67.6% |
| b3 | 9 | 20.5% | 38.9% |
| b4 | 7 | 15.9% | 57.1% |
| c4 | 4 | 9.1% | 50.0% |
| f4 | 3 | 6.8% | 100.0% |
| d4 | 3 | 6.8% | 50.0% |
Main lines as White
- 1.Nf3 — 39% of White games, 67.6% score
- …Nf6 (53% of these games) — Kostrun usually continues g3 (61.1% score)
- …d5 (29% of these games) — Kostrun usually continues g3 (80.0% score)
- …d6 (6% of these games) — Kostrun usually continues g3 (100.0% score)
- 1.b3 — 20% of White games, 38.9% score
- …e5 (33% of these games) — Kostrun usually continues Bb2 (16.7% score)
- …d5 (33% of these games) — Kostrun usually continues e3 (33.3% score)
- …b6 (11% of these games) — Kostrun usually continues Bb2 (0.0% score)
As Black against 1.e4 (20 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| g6 | 6 | 30.0% | 58.3% |
| d5 | 4 | 20.0% | 62.5% |
| Nf6 | 3 | 15.0% | 16.7% |
| c5 | 3 | 15.0% | 16.7% |
| Nc6 | 3 | 15.0% | 33.3% |
| c6 | 1 | 5.0% | 0.0% |
As Black against 1.d4 (18 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 8 | 44.4% | 56.3% |
| f5 | 4 | 22.2% | 37.5% |
| e6 | 3 | 16.7% | 0.0% |
| c5 | 1 | 5.6% | 100.0% |
| d6 | 1 | 5.6% | 50.0% |
| g6 | 1 | 5.6% | 0.0% |
Slaven Kostrun's chess games
All 89 games by Slaven Kostrun 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: 35 wins, 26 draws, 28 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A05 | Réti Opening | 11 | 5/6/0 | 45.5% |
| A01 | Nimzovich-Larsen attack | 9 | 2/3/4 | 22.2% |
| A00 | Orangutan opening | 7 | 3/2/2 | 42.9% |
| A03 | Bird's opening | 3 | 3/0/0 | 100.0% |
| A10 | English Opening | 3 | 2/0/1 | 66.7% |
| A07 | King's Indian Attack | 3 | 1/2/0 | 33.3% |
| A05 | Réti Opening: Symmetrical Defense | 2 | 1/1/0 | 50.0% |
| D01 | Richter-Veresov Attack | 2 | 0/1/1 | 0.0% |
| A08 | Modern Defense | 1 | 0/0/1 | 0.0% |
| A11 | Hungarian Opening | 1 | 0/1/0 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B06 | Modern Defense | 8 | 4/1/3 | 50.0% |
| A80 | Dutch Defense | 4 | 1/1/2 | 25.0% |
| B03 | Alekhine Defense | 3 | 0/1/2 | 0.0% |
| B40 | Sicilian | 3 | 0/1/2 | 0.0% |
| D07 | Queen's Pawn Game | 3 | 2/0/1 | 66.7% |
| B01 | Scandinavian Defense: Main Line | 3 | 2/1/0 | 66.7% |
| A20 | Réti Opening | 2 | 2/0/0 | 100.0% |
| B00 | Nimzowitsch Defense: Scandinavian Variation | 2 | 1/0/1 | 50.0% |
| A05 | Hungarian Opening | 2 | 1/1/0 | 50.0% |
| A40 | Horwitz Defense | 2 | 0/0/2 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Mar 2009 | Milan Franic | 2,406 | Zagreb Open A | D02 |
| Oct 2005 | Muhamed Sinanovic | 2,384 | chT-CRO | A00 |
| Mar 2009 | Dubravko Slogar | 2,343 | chT2b-CRO | D02 |
| Mar 2009 | Mato Damjanovic | 2,313 | chT2b-CRO | A58 |
| May 2008 | Zlatko Martic | 2,311 | Zagreb Open A | A02 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| chT2-CRO Center | 2012 | 18 | 9.5 | 2,278 |
| Zagreb Open A | 2009 | 15 | 6 | 2,313 |
| Zagreb Open | 2007 | 10 | 4 | 2,181 |
| 4th Velika Gorica Open | 2004 | 9 | 4.5 | 2,172 |
| chT2b-CRO | 2009 | 9 | 6.5 | 2,453 |
| Krapina Open | 2011 | 9 | 7.5 | 2,255 |
| 5th Velika Gorica Open | 2005 | 9 | 5.5 | 2,306 |
| CRO Cup | 2002 | 5 | 2 | 2,236 |
Interactive opening tree from all 89 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Slaven Kostrun's chess games?
89 games by Slaven Kostrun, 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 Slaven Kostrun has played.
What does Slaven Kostrun play on the first move as White?
Across 44 games with White in our database, Slaven Kostrun opens with 1.Nf3 (39% of games), 1.b3 (20% of games), 1.b4 (16% of games). Against 1.e4 as Black, Slaven Kostrun answers 1...g6 (30% of games), 1...d5 (20% of games), 1...Nf6 (15% of games). Against 1.d4: 1...d5 (44% of games), 1...f5 (22% of games), 1...e6 (17% of games).
What openings does Slaven Kostrun play as White?
As White, Slaven Kostrun's most-played openings in our database are: Réti Opening (11 games, 45.5% win rate); Nimzovich-Larsen attack (9 games, 22.2% win rate); Orangutan opening (7 games, 42.9% win rate). The full breakdown of 44 games with White is in the table above.
What openings does Slaven Kostrun play as Black?
As Black, Slaven Kostrun most often plays: Modern Defense (8 games, 50.0% win rate); Dutch Defense (4 games, 25.0% win rate); Alekhine Defense (3 games, 0.0% win rate). See the table above for the top ten Black openings across 45 games.
What is Slaven Kostrun's FIDE rating?
Slaven Kostrun is currently rated 2,186 in classical chess, 2,195 in rapid and 2,187 in blitz. Peak classical rating: 2,337 (Mar 2010).
How many games has Slaven Kostrun played?
Our database contains 89 games by Slaven Kostrun, covering Apr 2003 to Jul 2026. Overall record: 35 wins, 26 draws, 28 losses (39.3% win rate).
How do I prepare against Slaven Kostrun?
89 games by Slaven Kostrun 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.