Prepare against Krzysztof Iwanczuk
Poland · World #10,093 classical · FIDE ID 21838607
When preparing against Krzysztof Iwanczuk, expect 1.e4 in 59% of White games. Against 1.e4 the reply is 1...e5 (53% of games); against 1.d4, 1...Nf6 (73%).
Our database contains 151 games by Krzysztof Iwanczuk, covering Oct 2014 to Sep 2026. Below you'll find Krzysztof Iwanczuk's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Krzysztof Iwanczuk 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 | 2,169 | 2,171 | Jul 2025 |
| Rapid | 2,085 | 2,085 | Sep 2026 |
| Blitz | 1,983 | 1,983 | Sep 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 151 | 38 | 65 | 48 | 25.2% |
| As White | 80 | 23 | 29 | 28 | 28.8% |
| As Black | 71 | 15 | 36 | 20 | 21.1% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Krzysztof Iwanczuk's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Krzysztof Iwanczuk's side.
First moves as White (80 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 47 | 58.8% | 51.1% |
| d4 | 21 | 26.3% | 42.9% |
| Nf3 | 7 | 8.8% | 35.7% |
| c4 | 4 | 5.0% | 50.0% |
| b3 | 1 | 1.3% | 0.0% |
Main lines as White
- 1.e4 — 59% of White games, 51.1% score
- …c5 (43% of these games) — Iwanczuk usually continues Nf3 (47.4% score)
- …e6 (17% of these games) — Iwanczuk usually continues d4 (37.5% score)
- …c6 (17% of these games) — Iwanczuk usually continues Nf3 (62.5% score)
- 1.d4 — 26% of White games, 42.9% score
- …Nf6 (62% of these games) — Iwanczuk usually continues Bf4 (30.0% score)
- …d5 (24% of these games) — Iwanczuk usually continues c4 (37.5% score)
- …f5 (5% of these games) — Iwanczuk usually continues g3 (100.0% score)
As Black against 1.e4 (32 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 17 | 53.1% | 38.2% |
| c5 | 13 | 40.6% | 34.6% |
| Nf6 | 1 | 3.1% | 50.0% |
| c6 | 1 | 3.1% | 50.0% |
As Black against 1.d4 (26 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 19 | 73.1% | 63.2% |
| d5 | 7 | 26.9% | 42.9% |
Krzysztof Iwanczuk's chess games
All 151 games by Krzysztof Iwanczuk in the Chess.ceo database (Oct 2014 - Sep 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: 38 wins, 65 draws, 48 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D02 | London System | 6 | 1/2/3 | 16.7% |
| B32 | Sicilian | 6 | 3/0/3 | 50.0% |
| B12 | Caro-Kann: Advance Variation | 4 | 1/1/2 | 25.0% |
| B10 | Caro-Kann: Endgame Variation | 4 | 1/3/0 | 25.0% |
| A07 | Réti Opening | 4 | 1/2/1 | 25.0% |
| C02 | French: Advance Variation | 4 | 0/2/2 | 0.0% |
| A10 | English Opening | 3 | 1/2/0 | 33.3% |
| D00 | Queen's Pawn Game: Chigorin Variation | 3 | 1/0/2 | 33.3% |
| C24 | Bishop's Opening | 3 | 3/0/0 | 100.0% |
| B94 | Sicilian: Najdorf | 3 | 2/0/1 | 66.7% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D85 | Grünfeld Defense | 6 | 2/3/1 | 33.3% |
| D37 | Indian Defense | 6 | 1/4/1 | 16.7% |
| C77 | Ruy Lopez: Morphy Defense | 5 | 0/4/1 | 0.0% |
| B90 | Sicilian: Najdorf | 4 | 1/0/3 | 25.0% |
| B13 | London System | 3 | 1/2/0 | 33.3% |
| C77 | Ruy Lopez: Closed | 3 | 0/3/0 | 0.0% |
| A34 | English Opening: Symmetrical | 3 | 0/1/2 | 0.0% |
| D02 | Queen's Pawn Game | 2 | 0/2/0 | 0.0% |
| A21 | English Opening: Reverse Sicilian | 2 | 1/0/1 | 50.0% |
| A10 | English Opening | 2 | 0/1/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jul 2026 | Petr Gnojek | 2,406 | 37th Czech Open E 2026 | E51 |
| Aug 2024 | Marcin Pietruszewski | 2,216 | 60th Polanica Zdroj Open | B10 |
| Mar 2023 | Tomasz Galuszka | 2,189 | ch-POL Universities | B12 |
| Aug 2023 | Rafal Kowalczyk | 2,171 | Wroclaw Anderssen Memorial Open A | C54 |
| Mar 2023 | Aleksander Kumala | 2,165 | ch-POL Universities | D00 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-POL U18 | 2020 | 17 | 7 | 1,916 |
| Wroclaw Anderssen Memorial Open A | 2023 | 9 | 5.5 | 2,187 |
| chT-POL 2nd League | 2025 | 9 | 3.5 | 2,161 |
| 59th Polanica Zdroj Open | 2023 | 9 | 4 | 2,021 |
| 32nd Krakow Open B | 2022 | 9 | 5.5 | 2,112 |
| Wroclaw Open A | 2025 | 9 | 4 | 2,052 |
| 56th Polanica Zdroj Open C | 2020 | 9 | 5.5 | 1,784 |
| 60th Polanica Zdroj Open | 2024 | 9 | 5.5 | 2,284 |
Interactive opening tree from all 151 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Krzysztof Iwanczuk's chess games?
151 games by Krzysztof Iwanczuk, from Oct 2014 to Sep 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 Krzysztof Iwanczuk has played.
What does Krzysztof Iwanczuk play on the first move as White?
Across 80 games with White in our database, Krzysztof Iwanczuk opens with 1.e4 (59% of games), 1.d4 (26% of games), 1.Nf3 (9% of games). Against 1.e4 as Black, Krzysztof Iwanczuk answers 1...e5 (53% of games), 1...c5 (41% of games), 1...Nf6 (3% of games). Against 1.d4: 1...Nf6 (73% of games), 1...d5 (27% of games).
What openings does Krzysztof Iwanczuk play as White?
As White, Krzysztof Iwanczuk's most-played openings in our database are: London System (6 games, 16.7% win rate); Sicilian (6 games, 50.0% win rate); Caro-Kann: Advance Variation (4 games, 25.0% win rate). The full breakdown of 80 games with White is in the table above.
What openings does Krzysztof Iwanczuk play as Black?
As Black, Krzysztof Iwanczuk most often plays: Grünfeld Defense (6 games, 33.3% win rate); Indian Defense (6 games, 16.7% win rate); Ruy Lopez: Morphy Defense (5 games, 0.0% win rate). See the table above for the top ten Black openings across 71 games.
What is Krzysztof Iwanczuk's FIDE rating?
Krzysztof Iwanczuk is currently rated 2,169 in classical chess, 2,085 in rapid and 1,983 in blitz. Peak classical rating: 2,171 (Jul 2025).
How many games has Krzysztof Iwanczuk played?
Our database contains 151 games by Krzysztof Iwanczuk, covering Oct 2014 to Sep 2026. Overall record: 38 wins, 65 draws, 48 losses (25.2% win rate).
How do I prepare against Krzysztof Iwanczuk?
151 games by Krzysztof Iwanczuk 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.