Prepare against Ivan Mastiuk
CM · Ukraine · World #8,241 classical · FIDE ID 34163956
When preparing against Ivan Mastiuk, expect 1.d4 in 92% of White games. Against 1.e4 the reply is 1...c6 (94% of games); against 1.d4, 1...Nf6 (71%).
Our database contains 70 games by Ivan Mastiuk, covering May 2021 to Aug 2026. Below you'll find Ivan Mastiuk's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Ivan Mastiuk 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 | 2,201 | 2,201 | Aug 2026 |
| Rapid | 2,092 | 2,092 | Aug 2026 |
| Blitz | 2,200 | 2,200 | Aug 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 70 | 31 | 9 | 30 | 44.3% |
| As White | 38 | 19 | 6 | 13 | 50.0% |
| As Black | 32 | 12 | 3 | 17 | 37.5% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Ivan Mastiuk's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Ivan Mastiuk's side.
First moves as White (38 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 35 | 92.1% | 55.7% |
| e4 | 1 | 2.6% | 100.0% |
| Nf3 | 1 | 2.6% | 100.0% |
| b3 | 1 | 2.6% | 50.0% |
Main lines as White
- 1.d4 — 92% of White games, 55.7% score
- …Nf6 (57% of these games) — Mastiuk usually continues c4 (67.5% score)
- …d5 (23% of these games) — Mastiuk usually continues c4 (50.0% score)
- …d6 (9% of these games) — Mastiuk usually continues c4 (0.0% score)
- 1.e4 — 3% of White games, 100.0% score
- …c5 (100% of these games) — Mastiuk usually continues Bc4 (100.0% score)
As Black against 1.e4 (18 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c6 | 17 | 94.4% | 29.4% |
| c5 | 1 | 5.6% | 0.0% |
As Black against 1.d4 (7 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 5 | 71.4% | 80.0% |
| d5 | 2 | 28.6% | 100.0% |
Ivan Mastiuk's chess games
All 70 games by Ivan Mastiuk in the Chess.ceo database (May 2021 - 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: 31 wins, 9 draws, 30 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| E32 | Nimzo-Indian: Classical Variation | 6 | 4/1/1 | 66.7% |
| A50 | Indian Defense | 6 | 2/1/3 | 33.3% |
| E73 | King's Indian Defense: Averbakh System | 6 | 3/1/2 | 50.0% |
| A57 | Benoni Defense | 4 | 3/0/1 | 75.0% |
| D52 | Slav Defense | 3 | 1/1/1 | 33.3% |
| A40 | Queen's Pawn Game | 3 | 0/0/3 | 0.0% |
| D55 | Queen's Indian Defense | 2 | 1/1/0 | 50.0% |
| D31 | Queen's Gambit Declined | 2 | 1/0/1 | 50.0% |
| A05 | Réti Opening | 1 | 1/0/0 | 100.0% |
| D36 | Semi-Slav Defense | 1 | 1/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B12 | Caro-Kann: Advance Variation | 6 | 1/1/4 | 16.7% |
| A57 | Benoni Defense | 4 | 3/0/1 | 75.0% |
| B13 | Caro-Kann: Exchange Variation | 3 | 2/1/0 | 66.7% |
| B11 | Caro-Kann: Two Knights Variation | 3 | 1/0/2 | 33.3% |
| D31 | Semi-Slav Defense | 3 | 2/0/1 | 66.7% |
| B18 | Caro-Kann: Classical | 2 | 0/0/2 | 0.0% |
| A04 | Réti Opening | 2 | 1/0/1 | 50.0% |
| A06 | Nimzo-Larsen Attack | 1 | 0/1/0 | 0.0% |
| A45 | Queen's Pawn Game | 1 | 1/0/0 | 100.0% |
| B31 | Sicilian: Rossolimo | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Dec 2024 | Dmitry Maximov | 2,489 | 92nd ch-UKR Rapid | E73 |
| Jul 2026 | Anatoliy Emeliantsev | 2,359 | Titled Tue 28th Jul 2026 | A45 |
| Aug 2026 | Victor Labussiere | 2,306 | Titled Tue 11th Aug 2026 | A04 |
| Jul 2026 | Joaquin Ignacio Miranda Camus | 2,305 | 2nd 3-0 Thu 30th Jul 2026 | A43 |
| Nov 2025 | Alex Marcziter | 2,208 | Heusenstamm Schloss Open | B11 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Titled Tuesday | 2026 | 22 | 12 | 2,247 |
| 2nd 3-0 Thu 13th Aug 2026 | 2026 | 11 | 4.5 | 2,205 |
| 2nd 3-0 Thu 16th Jul 2026 | 2026 | 11 | 4 | 2,034 |
| 2nd 3-0 Thu 30th Jul 2026 | 2026 | 10 | 6 | 2,310 |
| Heusenstamm Schloss Open | 2025 | 7 | 5 | 2,291 |
| 3rd Brody Bryvka Memorial | 2023 | 6 | 3 | 1,789 |
| Kiev Express Blitz Open | 2024 | 1 | 0 | 1,933 |
| 92nd ch-UKR Rapid | 2024 | 1 | 1 | 2,889 |
Interactive opening tree from all 70 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Ivan Mastiuk's chess games?
70 games by Ivan Mastiuk, from May 2021 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 Mastiuk has played.
What does Ivan Mastiuk play on the first move as White?
Across 38 games with White in our database, Ivan Mastiuk opens with 1.d4 (92% of games), 1.e4 (3% of games), 1.Nf3 (3% of games). Against 1.e4 as Black, Ivan Mastiuk answers 1...c6 (94% of games), 1...c5 (6% of games). Against 1.d4: 1...Nf6 (71% of games), 1...d5 (29% of games).
What openings does Ivan Mastiuk play as White?
As White, Ivan Mastiuk's most-played openings in our database are: Nimzo-Indian: Classical Variation (6 games, 66.7% win rate); Indian Defense (6 games, 33.3% win rate); King's Indian Defense: Averbakh System (6 games, 50.0% win rate). The full breakdown of 38 games with White is in the table above.
What openings does Ivan Mastiuk play as Black?
As Black, Ivan Mastiuk most often plays: Caro-Kann: Advance Variation (6 games, 16.7% win rate); Benoni Defense (4 games, 75.0% win rate); Caro-Kann: Exchange Variation (3 games, 66.7% win rate). See the table above for the top ten Black openings across 32 games.
What is Ivan Mastiuk's FIDE rating?
Ivan Mastiuk is currently rated 2,201 in classical chess, 2,092 in rapid and 2,200 in blitz. Peak classical rating: 2,201 (Aug 2026).
How many games has Ivan Mastiuk played?
Our database contains 70 games by Ivan Mastiuk, covering May 2021 to Aug 2026. Overall record: 31 wins, 9 draws, 30 losses (44.3% win rate).
How do I prepare against Ivan Mastiuk?
70 games by Ivan Mastiuk 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.