Prepare against Ivan Kalajzic
CM · HRV · World #18,720 classical · FIDE ID 14506378
Our database contains 1,134 games by Ivan Kalajzic, covering Apr 2003 to Aug 2026. Below you'll find Ivan Kalajzic's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Ivan Kalajzic 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 | 2,069 | 2,269 | Jul 2009 |
| Rapid | 2,231 | 2,255 | Feb 2020 |
| Blitz | 2,161 | 2,375 | Apr 2013 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 1,134 | 409 | 161 | 564 | 36.1% |
| As White | 554 | 198 | 86 | 270 | 35.7% |
| As Black | 580 | 211 | 75 | 294 | 36.4% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Ivan Kalajzic's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Ivan Kalajzic's side.
First moves as White (554 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| b3 | 293 | 52.9% | 38.6% |
| d4 | 210 | 37.9% | 49.8% |
| c4 | 19 | 3.4% | 52.6% |
| e4 | 15 | 2.7% | 46.7% |
| Nf3 | 14 | 2.5% | 35.7% |
| b4 | 2 | 0.4% | 75.0% |
Main lines as White
- 1.b3 — 53% of White games, 38.6% score
- …e5 (35% of these games) — Kalajzic usually continues Bb2 (38.8% score)
- …d5 (28% of these games) — Kalajzic usually continues Bb2 (36.4% score)
- …Nf6 (15% of these games) — Kalajzic usually continues Bb2 (45.6% score)
- 1.d4 — 38% of White games, 49.8% score
- …Nf6 (57% of these games) — Kalajzic usually continues Nc3 (52.0% score)
- …d5 (28% of these games) — Kalajzic usually continues Nc3 (58.5% score)
- …e6 (4% of these games) — Kalajzic usually continues Nf3 (50.0% score)
As Black against 1.e4 (285 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nc6 | 186 | 65.3% | 38.4% |
| c6 | 40 | 14.0% | 32.5% |
| c5 | 31 | 10.9% | 61.3% |
| g6 | 13 | 4.6% | 53.8% |
| e5 | 7 | 2.5% | 28.6% |
| e6 | 6 | 2.1% | 25.0% |
As Black against 1.d4 (192 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nc6 | 125 | 65.1% | 38.8% |
| d5 | 32 | 16.7% | 56.3% |
| c5 | 17 | 8.9% | 38.2% |
| e6 | 12 | 6.3% | 45.8% |
| Nf6 | 4 | 2.1% | 62.5% |
| f5 | 1 | 0.5% | 100.0% |
Ivan Kalajzic's chess games
All 1,134 games by Ivan Kalajzic 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: 409 wins, 161 draws, 564 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A01 | Nimzovich-Larsen attack | 289 | 90/42/157 | 31.1% |
| D01 | Richter-Veresov Attack | 82 | 35/10/37 | 42.7% |
| B07 | Queen's Pawn Game | 38 | 21/3/14 | 55.3% |
| C13 | Indian Defense | 18 | 5/6/7 | 27.8% |
| D00 | Queen's Pawn Game: Chigorin Variation | 18 | 9/3/6 | 50.0% |
| D03 | Torre Attack | 10 | 4/2/4 | 40.0% |
| A40 | Modern Defense | 8 | 4/1/3 | 50.0% |
| A22 | English Opening: Reverse Sicilian | 8 | 6/0/2 | 75.0% |
| D04 | Colle System | 7 | 3/1/3 | 42.9% |
| A06 | Réti Opening | 7 | 1/4/2 | 14.3% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B00 | Nimzowitsch Defense | 128 | 42/9/77 | 32.8% |
| A40 | Mikenas Defense | 116 | 37/17/62 | 31.9% |
| B00 | Nimzowitsch Defense: Kennedy Variation | 36 | 16/3/17 | 44.4% |
| A04 | Réti Opening | 25 | 7/5/13 | 28.0% |
| B40 | Sicilian | 25 | 14/3/8 | 56.0% |
| D02 | Queen's Pawn Game | 23 | 7/5/11 | 30.4% |
| D07 | Queen's Gambit | 20 | 10/2/8 | 50.0% |
| A27 | English Opening: Reverse Sicilian | 20 | 11/2/7 | 55.0% |
| A44 | Benoni Defense | 17 | 6/1/10 | 35.3% |
| A25 | English Opening | 16 | 9/3/4 | 56.3% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Dec 2021 | Kacper Piorun | 2,640 | Titled Tue | A01 |
| Jun 2022 | Aleksandar Indjic | 2,620 | Titled Tue Early | B00 |
| Jul 2021 | Rafael Leitao | 2,592 | Titled Tue | A01 |
| May 2023 | Peter Prohaszka | 2,585 | Titled Tue Early | A06 |
| Jun 2022 | Kateryna Lagno | 2,547 | Titled Tue Late | B00 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Titled Tuesday | 2025 | 729 | 284.5 | 2,171 |
| Zagreb Open B | 2012 | 23 | 14.5 | 2,215 |
| Porec Open | 2009 | 23 | 12 | 2,189 |
| Zagreb Open A | 2013 | 19 | 7.5 | 2,284 |
| Omis Open | 2006 | 16 | 7.5 | 2,203 |
| Zadar Open | 2004 | 15 | 7 | 2,254 |
| Hum na Sutli Open | 2010 | 12 | 7 | 2,078 |
| chT2-CRO East | 2010 | 11 | 6.5 | 2,278 |
Interactive opening tree from all 1,134 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Ivan Kalajzic's chess games?
1,134 games by Ivan Kalajzic, 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 Ivan Kalajzic has played.
What does Ivan Kalajzic play on the first move as White?
Across 554 games with White in our database, Ivan Kalajzic opens with 1.b3 (53% of games), 1.d4 (38% of games), 1.c4 (3% of games). Against 1.e4 as Black, Ivan Kalajzic answers 1...Nc6 (65% of games), 1...c6 (14% of games), 1...c5 (11% of games). Against 1.d4: 1...Nc6 (65% of games), 1...d5 (17% of games), 1...c5 (9% of games).
What openings does Ivan Kalajzic play as White?
As White, Ivan Kalajzic's most-played openings in our database are: Nimzovich-Larsen attack (289 games, 31.1% win rate); Richter-Veresov Attack (82 games, 42.7% win rate); Queen's Pawn Game (38 games, 55.3% win rate). The full breakdown of 554 games with White is in the table above.
What openings does Ivan Kalajzic play as Black?
As Black, Ivan Kalajzic most often plays: Nimzowitsch Defense (128 games, 32.8% win rate); Mikenas Defense (116 games, 31.9% win rate); Nimzowitsch Defense: Kennedy Variation (36 games, 44.4% win rate). See the table above for the top ten Black openings across 580 games.
What is Ivan Kalajzic's FIDE rating?
Ivan Kalajzic is currently rated 2,069 in classical chess, 2,231 in rapid and 2,161 in blitz. Peak classical rating: 2,269 (Jul 2009).
How many games has Ivan Kalajzic played?
Our database contains 1,134 games by Ivan Kalajzic, covering Apr 2003 to Aug 2026. Overall record: 409 wins, 161 draws, 564 losses (36.1% win rate).
How do I prepare against Ivan Kalajzic?
1,134 games by Ivan Kalajzic 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.