Prepare against Ireneusz Lach
Poland · World #44,097 classical · FIDE ID 1118544
Our database contains 48 games by Ireneusz Lach, covering Apr 2003 to Jul 2026. Below you'll find Ireneusz Lach's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Ireneusz Lach 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 | 1,917 | 2,093 | Apr 2003 |
| Rapid | 1,834 | 2,026 | Sep 2014 |
| Blitz | 1,864 | 2,018 | Oct 2014 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 48 | 12 | 10 | 26 | 25.0% |
| As White | 27 | 8 | 5 | 14 | 29.6% |
| As Black | 21 | 4 | 5 | 12 | 19.0% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Ireneusz Lach's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Ireneusz Lach's side.
First moves as White (27 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 13 | 48.1% | 57.7% |
| e4 | 8 | 29.6% | 18.8% |
| Nf3 | 4 | 14.8% | 12.5% |
| c4 | 2 | 7.4% | 50.0% |
Main lines as White
- 1.d4 — 48% of White games, 57.7% score
- …Nf6 (54% of these games) — Lach usually continues c4 (50.0% score)
- …d5 (23% of these games) — Lach usually continues Nf3 (50.0% score)
- …f5 (8% of these games) — Lach usually continues Nf3 (100.0% score)
- 1.e4 — 30% of White games, 18.8% score
- …c5 (75% of these games) — Lach usually continues Nf3 (8.3% score)
- …d5 (13% of these games) — Lach usually continues Nc3 (100.0% score)
- …e6 (13% of these games) — Lach usually continues d4 (0.0% score)
As Black against 1.e4 (8 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 5 | 62.5% | 30.0% |
| e5 | 2 | 25.0% | 50.0% |
| d5 | 1 | 12.5% | 0.0% |
As Black against 1.d4 (9 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 7 | 77.8% | 42.9% |
| d5 | 2 | 22.2% | 50.0% |
Ireneusz Lach's chess games
All 48 games by Ireneusz Lach 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: 12 wins, 10 draws, 26 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B42 | Sicilian | 3 | 0/1/2 | 0.0% |
| A16 | English Opening | 2 | 1/1/0 | 50.0% |
| E94 | King's Indian Defense: Petrosian Variation | 2 | 0/1/1 | 0.0% |
| A84 | Queen's Pawn Game | 2 | 1/0/1 | 50.0% |
| A34 | English Opening: Symmetrical | 1 | 0/0/1 | 0.0% |
| C02 | French: Advance Variation | 1 | 0/0/1 | 0.0% |
| A27 | English Opening: Reverse Sicilian | 1 | 0/0/1 | 0.0% |
| A46 | Indian Defense | 1 | 1/0/0 | 100.0% |
| E62 | King's Indian Defense: Fianchetto Variation | 1 | 0/0/1 | 0.0% |
| A80 | Horwitz Defense | 1 | 0/1/0 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B53 | Sicilian | 3 | 0/1/2 | 0.0% |
| A30 | English Opening | 2 | 0/0/2 | 0.0% |
| B30 | Sicilian: Rossolimo | 2 | 0/0/2 | 0.0% |
| A48 | Indian Defense | 2 | 1/1/0 | 50.0% |
| E81 | King's Indian: Sämisch | 1 | 1/0/0 | 100.0% |
| E32 | Nimzo-Indian: Classical Variation | 1 | 0/0/1 | 0.0% |
| D35 | Queen's Gambit Declined | 1 | 0/1/0 | 0.0% |
| C97 | Ruy Lopez: Closed | 1 | 1/0/0 | 100.0% |
| B01 | Scandinavian Defense: Main Line | 1 | 0/0/1 | 0.0% |
| B90 | Sicilian: Najdorf | 1 | 1/0/0 | 100.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jan 1998 | Henryk Banasik | 2,165 | chT-POL 2nd League South | E90 |
| Jan 1999 | Oskar Wlodarczyk | 2,088 | chT-POL 2nd div South | D13 |
| May 2016 | Tomasz Przybek | 1,987 | chT3-POL Podkarpackie | A18 |
| Sep 2008 | Konrad Graczyk | 1,907 | POL-chT 2nd League | A84 |
| Jun 2021 | Michal Mikula | 1,888 | chT-Subcarpathian | A46 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| chT-Subcarpathian | 2021 | 9 | 3 | 1,828 |
| chT-POL 2nd div South | 1999 | 9 | 4 | 2,080 |
| chT3-POL Podkarpackie | 2016 | 9 | 1.5 | 1,881 |
| chT-POL 2nd League South | 1998 | 8 | 4.5 | 2,140 |
| POL-chT 2nd League | 2008 | 8 | 2.5 | 2,055 |
| Krakow-ch rapid | 2018 | 5 | 1.5 | 2,030 |
Interactive opening tree from all 48 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Ireneusz Lach's chess games?
48 games by Ireneusz Lach, 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 Ireneusz Lach has played.
What does Ireneusz Lach play on the first move as White?
Across 27 games with White in our database, Ireneusz Lach opens with 1.d4 (48% of games), 1.e4 (30% of games), 1.Nf3 (15% of games). Against 1.e4 as Black, Ireneusz Lach answers 1...c5 (63% of games), 1...e5 (25% of games), 1...d5 (13% of games). Against 1.d4: 1...Nf6 (78% of games), 1...d5 (22% of games).
What openings does Ireneusz Lach play as White?
As White, Ireneusz Lach's most-played openings in our database are: Sicilian (3 games, 0.0% win rate); English Opening (2 games, 50.0% win rate); King's Indian Defense: Petrosian Variation (2 games, 0.0% win rate). The full breakdown of 27 games with White is in the table above.
What openings does Ireneusz Lach play as Black?
As Black, Ireneusz Lach most often plays: Sicilian (3 games, 0.0% win rate); English Opening (2 games, 0.0% win rate); Sicilian: Rossolimo (2 games, 0.0% win rate). See the table above for the top ten Black openings across 21 games.
What is Ireneusz Lach's FIDE rating?
Ireneusz Lach is currently rated 1,917 in classical chess, 1,834 in rapid and 1,864 in blitz. Peak classical rating: 2,093 (Apr 2003).
How many games has Ireneusz Lach played?
Our database contains 48 games by Ireneusz Lach, covering Apr 2003 to Jul 2026. Overall record: 12 wins, 10 draws, 26 losses (25.0% win rate).
How do I prepare against Ireneusz Lach?
48 games by Ireneusz Lach 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.