Prepare against Blaz Kosmac
SVN · World #14,025 classical · FIDE ID 14603012
Our database contains 513 games by Blaz Kosmac, covering Apr 2003 to Jul 2026. Below you'll find Blaz Kosmac's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Blaz Kosmac 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 | 2,116 | 2,254 | Jan 2016 |
| Rapid | 2,068 | 2,262 | Oct 2015 |
| Blitz | 2,039 | 2,202 | Nov 2017 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 513 | 192 | 131 | 190 | 37.4% |
| As White | 255 | 105 | 68 | 82 | 41.2% |
| As Black | 258 | 87 | 63 | 108 | 33.7% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Blaz Kosmac's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Blaz Kosmac's side.
First moves as White (255 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 244 | 95.7% | 53.9% |
| d4 | 5 | 2.0% | 70.0% |
| Nf3 | 5 | 2.0% | 70.0% |
| f4 | 1 | 0.4% | 50.0% |
Main lines as White
- 1.e4 — 96% of White games, 53.9% score
- …c5 (43% of these games) — Kosmac usually continues Nf3 (47.0% score)
- …e5 (19% of these games) — Kosmac usually continues Nf3 (60.3% score)
- …e6 (13% of these games) — Kosmac usually continues d3 (33.3% score)
- 1.d4 — 2% of White games, 70.0% score
- …Nf6 (60% of these games) — Kosmac usually continues Bg5 (50.0% score)
- …e6 (20% of these games) — Kosmac usually continues Nf3 (50.0% score)
- …d5 (20% of these games) — Kosmac usually continues Nf3 (100.0% score)
As Black against 1.e4 (129 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 111 | 86.0% | 48.2% |
| e5 | 10 | 7.8% | 55.0% |
| d5 | 4 | 3.1% | 50.0% |
| Nc6 | 4 | 3.1% | 37.5% |
As Black against 1.d4 (78 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 72 | 92.3% | 53.5% |
| d5 | 4 | 5.1% | 37.5% |
| f5 | 1 | 1.3% | 0.0% |
| c5 | 1 | 1.3% | 50.0% |
Blaz Kosmac's chess games
All 513 games by Blaz Kosmac 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: 192 wins, 131 draws, 190 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B32 | Sicilian | 42 | 15/9/18 | 35.7% |
| B26 | Sicilian: Closed | 17 | 7/5/5 | 41.2% |
| B91 | Sicilian: Najdorf | 17 | 3/5/9 | 17.6% |
| C00 | King's Indian Attack | 12 | 3/2/7 | 25.0% |
| C00 | French Defense | 11 | 7/2/2 | 63.6% |
| C77 | Ruy Lopez: Morphy Defense | 9 | 4/3/2 | 44.4% |
| B10 | Caro-Kann | 9 | 5/3/1 | 55.6% |
| B06 | Modern Defense | 9 | 5/1/3 | 55.6% |
| B01 | Scandinavian Defense: Main Line | 8 | 3/4/1 | 37.5% |
| C33 | King's Gambit | 8 | 5/1/2 | 62.5% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B44 | Sicilian | 47 | 22/6/19 | 46.8% |
| D85 | Grünfeld Defense | 42 | 15/10/17 | 35.7% |
| B49 | Sicilian: Taimanov | 24 | 6/4/14 | 25.0% |
| A16 | English Opening | 21 | 4/6/11 | 19.0% |
| D78 | Indian Defense | 14 | 6/3/5 | 42.9% |
| B22 | Sicilian: Alapin | 14 | 5/1/8 | 35.7% |
| B25 | Sicilian: Closed | 10 | 7/1/2 | 70.0% |
| A21 | English Opening: Reverse Sicilian | 7 | 0/2/5 | 0.0% |
| A48 | Torre Attack | 5 | 2/2/1 | 40.0% |
| A05 | Réti Opening | 4 | 1/1/2 | 25.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jul 2011 | Krisztian Szabo | 2,542 | 5th Dachsteinwelterbe rap | C33 |
| Dec 2007 | Tadej Sakelsek | 2,479 | chT-SLO 17th | B46 |
| Aug 2015 | Leon Mazi | 2,405 | 24th Feffernitz Open | B01 |
| Sep 2013 | Marko Srebrnic | 2,350 | SLO-CupT | D33 |
| Oct 2010 | Marian Kastelic | 2,321 | 20th chT-SLO | B80 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| chT1-SLO West | 2022 | 46 | 28.5 | 2,233 |
| chT-SLO | 2016 | 33 | 13.5 | 2,179 |
| Tomo Zupan Open | 1995 | 29 | 17 | 2,026 |
| ch-SLO U18 | 1996 | 22 | 10 | 1,905 |
| Finkenstein Open | 1997 | 21 | 12.5 | 2,215 |
| ch-SLO | 1999 | 17 | 5 | 2,108 |
| ch-SLO U16 | 1997 | 15 | 9 | 2,258 |
| 37th Wch U20 | 1998 | 13 | 4.5 | 2,094 |
Interactive opening tree from all 513 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Blaz Kosmac's chess games?
513 games by Blaz Kosmac, 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 Blaz Kosmac has played.
What does Blaz Kosmac play on the first move as White?
Across 255 games with White in our database, Blaz Kosmac opens with 1.e4 (96% of games), 1.d4 (2% of games), 1.Nf3 (2% of games). Against 1.e4 as Black, Blaz Kosmac answers 1...c5 (86% of games), 1...e5 (8% of games), 1...d5 (3% of games). Against 1.d4: 1...Nf6 (92% of games), 1...d5 (5% of games), 1...f5 (1% of games).
What openings does Blaz Kosmac play as White?
As White, Blaz Kosmac's most-played openings in our database are: Sicilian (42 games, 35.7% win rate); Sicilian: Closed (17 games, 41.2% win rate); Sicilian: Najdorf (17 games, 17.6% win rate). The full breakdown of 255 games with White is in the table above.
What openings does Blaz Kosmac play as Black?
As Black, Blaz Kosmac most often plays: Sicilian (47 games, 46.8% win rate); Grünfeld Defense (42 games, 35.7% win rate); Sicilian: Taimanov (24 games, 25.0% win rate). See the table above for the top ten Black openings across 258 games.
What is Blaz Kosmac's FIDE rating?
Blaz Kosmac is currently rated 2,116 in classical chess, 2,068 in rapid and 2,039 in blitz. Peak classical rating: 2,254 (Jan 2016).
How many games has Blaz Kosmac played?
Our database contains 513 games by Blaz Kosmac, covering Apr 2003 to Jul 2026. Overall record: 192 wins, 131 draws, 190 losses (37.4% win rate).
How do I prepare against Blaz Kosmac?
513 games by Blaz Kosmac 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.