Prepare against Boleslaw Ossowski
Poland · World #138,823 classical · FIDE ID 1142038
When preparing against Boleslaw Ossowski, expect 1.d4 in 88% of White games. Against 1.e4 the reply is 1...c5 (67% of games); against 1.d4, 1...e6 (44%).
Our database contains 129 games by Boleslaw Ossowski, covering Jul 2006 to Jul 2026. Below you'll find Boleslaw Ossowski's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Boleslaw Ossowski 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 | 1,623 | 1,857 | Jul 2006 |
| Rapid | 1,610 | 1,672 | Mar 2024 |
| Blitz | 1,714 | 1,714 | Jul 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 129 | 36 | 37 | 56 | 27.9% |
| As White | 65 | 21 | 17 | 27 | 32.3% |
| As Black | 64 | 15 | 20 | 29 | 23.4% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Boleslaw Ossowski's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Boleslaw Ossowski's side.
First moves as White (65 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 57 | 87.7% | 39.5% |
| b3 | 5 | 7.7% | 80.0% |
| e4 | 2 | 3.1% | 100.0% |
| e3 | 1 | 1.5% | 100.0% |
Main lines as White
- 1.d4 — 88% of White games, 39.5% score
- …d5 (49% of these games) — Ossowski usually continues c4 (30.4% score)
- …Nf6 (39% of these games) — Ossowski usually continues c4 (40.9% score)
- …e6 (5% of these games) — Ossowski usually continues c4 (33.3% score)
- 1.b3 — 8% of White games, 80.0% score
- …e5 (80% of these games) — Ossowski usually continues Bb2 (100.0% score)
- …d5 (20% of these games) — Ossowski usually continues Bb2 (100.0% score)
As Black against 1.e4 (36 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 24 | 66.7% | 37.5% |
| e6 | 8 | 22.2% | 43.8% |
| d6 | 4 | 11.1% | 37.5% |
As Black against 1.d4 (16 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e6 | 7 | 43.8% | 50.0% |
| d5 | 6 | 37.5% | 0.0% |
| Nf6 | 3 | 18.8% | 100.0% |
Boleslaw Ossowski's chess games
All 129 games by Boleslaw Ossowski in the Chess.ceo database (Jul 2006 - 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: 36 wins, 37 draws, 56 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D11 | Slav Defense | 11 | 2/4/5 | 18.2% |
| D60 | Indian Defense | 6 | 1/3/2 | 16.7% |
| A84 | Queen's Gambit Declined | 6 | 0/1/5 | 0.0% |
| A01 | Nimzovich-Larsen attack | 5 | 3/2/0 | 60.0% |
| D31 | Semi-Slav Defense | 5 | 1/0/4 | 20.0% |
| E77 | King's Indian Defense: Averbakh System | 5 | 0/2/3 | 0.0% |
| D83 | Grünfeld Defense | 4 | 1/1/2 | 25.0% |
| E77 | Benoni Defense | 4 | 2/1/1 | 50.0% |
| A84 | Horwitz Defense | 3 | 1/0/2 | 33.3% |
| D20 | Queen's Gambit Accepted | 3 | 1/2/0 | 33.3% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B33 | Sicilian: Sveshnikov | 13 | 2/3/8 | 15.4% |
| B00 | French Defense | 8 | 1/5/2 | 12.5% |
| B22 | Sicilian | 7 | 3/3/1 | 42.9% |
| A40 | English Defense | 7 | 2/1/4 | 28.6% |
| B07 | Pirc Defense | 4 | 0/3/1 | 0.0% |
| A30 | English Opening | 3 | 0/0/3 | 0.0% |
| A90 | Queen's Pawn Game | 2 | 0/0/2 | 0.0% |
| D30 | Indian Defense | 2 | 0/1/1 | 0.0% |
| A81 | Dutch Defense | 2 | 1/1/0 | 50.0% |
| A05 | Réti Opening | 2 | 0/1/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Sep 2007 | Stanislaw Gigon | 1,997 | 18th ch-POL Seniors | E77 |
| Sep 2007 | Tadeusz Panek | 1,992 | 18th ch-POL Seniors | E90 |
| Sep 2007 | Zdzislaw Zarow | 1,980 | 18th ch-POL Seniors | D60 |
| Mar 2008 | Narek Parsamyan | 1,833 | ch-Pruszcz Gdanski | D15 |
| Nov 2007 | Mikolaj Mokwa | 1,800 | ch-Tczew | D52 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-Tczew | 2008 | 16 | 6 | 1,731 |
| Malbork Mayor Cup | 2010 | 15 | 8.5 | 1,705 |
| 47th Polanica Zdroj Open B | 2011 | 9 | 4 | 1,779 |
| Gdansk Open | 2008 | 9 | 1.5 | 1,597 |
| 8th ch-Gdansk | 2006 | 9 | 3.5 | 1,958 |
| 18th ch-POL Seniors | 2007 | 9 | 6 | 2,102 |
| ch-Rowy Seniors 15th | 2009 | 9 | 4 | 1,696 |
| ch-Starogard Gdanski | 2017 | 9 | 6 | 1,604 |
Interactive opening tree from all 129 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Boleslaw Ossowski's chess games?
129 games by Boleslaw Ossowski, from Jul 2006 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 Boleslaw Ossowski has played.
What does Boleslaw Ossowski play on the first move as White?
Across 65 games with White in our database, Boleslaw Ossowski opens with 1.d4 (88% of games), 1.b3 (8% of games), 1.e4 (3% of games). Against 1.e4 as Black, Boleslaw Ossowski answers 1...c5 (67% of games), 1...e6 (22% of games), 1...d6 (11% of games). Against 1.d4: 1...e6 (44% of games), 1...d5 (38% of games), 1...Nf6 (19% of games).
What openings does Boleslaw Ossowski play as White?
As White, Boleslaw Ossowski's most-played openings in our database are: Slav Defense (11 games, 18.2% win rate); Indian Defense (6 games, 16.7% win rate); Queen's Gambit Declined (6 games, 0.0% win rate). The full breakdown of 65 games with White is in the table above.
What openings does Boleslaw Ossowski play as Black?
As Black, Boleslaw Ossowski most often plays: Sicilian: Sveshnikov (13 games, 15.4% win rate); French Defense (8 games, 12.5% win rate); Sicilian (7 games, 42.9% win rate). See the table above for the top ten Black openings across 64 games.
What is Boleslaw Ossowski's FIDE rating?
Boleslaw Ossowski is currently rated 1,623 in classical chess, 1,610 in rapid and 1,714 in blitz. Peak classical rating: 1,857 (Jul 2006).
How many games has Boleslaw Ossowski played?
Our database contains 129 games by Boleslaw Ossowski, covering Jul 2006 to Jul 2026. Overall record: 36 wins, 37 draws, 56 losses (27.9% win rate).
How do I prepare against Boleslaw Ossowski?
129 games by Boleslaw Ossowski 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.