Prepare against Stanley Jarosz Jr
United States · World #65,955 classical · FIDE ID 2090066
When preparing against Stanley Jarosz Jr, expect 1.d4 in 88% of White games. Against 1.e4 the reply is 1...e6 (52% of games); against 1.d4, 1...d5 (100%). Lowest win rate among frequent openings: Queen's Gambit Declined: Orthodox Defense as Black, 26.3% over 19 games.
Our database contains 249 games by Stanley Jarosz Jr, covering Oct 2015 to Jul 2026. Below you'll find Stanley Jarosz Jr's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Stanley Jarosz Jr 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 | 1,835 | 1,885 | Sep 2024 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 249 | 112 | 59 | 78 | 45.0% |
| As White | 123 | 63 | 27 | 33 | 51.2% |
| As Black | 126 | 49 | 32 | 45 | 38.9% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Stanley Jarosz Jr's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Stanley Jarosz Jr's side.
First moves as White (123 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 108 | 87.8% | 62.0% |
| c4 | 10 | 8.1% | 60.0% |
| e4 | 5 | 4.1% | 70.0% |
Main lines as White
- 1.d4 — 88% of White games, 62.0% score
- …Nf6 (49% of these games) — Jr usually continues Nf3 (74.1% score)
- …d5 (28% of these games) — Jr usually continues Nf3 (47.1% score)
- …e6 (7% of these games) — Jr usually continues Nf3 (25.0% score)
- 1.c4 — 8% of White games, 60.0% score
- …e5 (60% of these games) — Jr usually continues Nc3 (58.3% score)
- …Nf6 (10% of these games) — Jr usually continues Nc3 (100.0% score)
- …e6 (10% of these games) — Jr usually continues Nc3 (0.0% score)
As Black against 1.e4 (61 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e6 | 32 | 52.5% | 50.0% |
| c5 | 29 | 47.5% | 65.5% |
As Black against 1.d4 (36 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 36 | 100.0% | 47.2% |
Stanley Jarosz Jr's chess games
All 249 games by Stanley Jarosz Jr in the Chess.ceo database (Oct 2015 - 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: 112 wins, 59 draws, 78 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D02 | London System | 21 | 14/3/4 | 66.7% |
| A48 | Indian Defense | 13 | 6/3/4 | 46.2% |
| A31 | English Opening | 9 | 2/3/4 | 22.2% |
| D91 | Grünfeld Defense | 7 | 5/1/1 | 71.4% |
| E12 | Queen's Indian Defense | 7 | 6/1/0 | 85.7% |
| A80 | Dutch Defense | 6 | 2/2/2 | 33.3% |
| A29 | English Opening: Reverse Sicilian | 6 | 2/3/1 | 33.3% |
| A30 | Horwitz Defense | 6 | 1/2/3 | 16.7% |
| D02 | Queen's Pawn Game | 6 | 1/1/4 | 16.7% |
| D46 | Slav Defense | 6 | 4/0/2 | 66.7% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D37 | Queen's Gambit Declined: Orthodox Defense | 19 | 5/5/9 | 26.3% |
| B30 | Sicilian | 10 | 6/1/3 | 60.0% |
| D02 | Indian Defense | 9 | 5/1/3 | 55.6% |
| B80 | Sicilian: Scheveningen | 8 | 3/5/0 | 37.5% |
| C18 | French: Winawer Variation | 8 | 4/1/3 | 50.0% |
| D04 | Colle System | 7 | 4/1/2 | 57.1% |
| C07 | French: Tarrasch Variation | 7 | 4/0/3 | 57.1% |
| B23 | Sicilian: Closed | 6 | 4/0/2 | 66.7% |
| C00 | King's Indian Attack | 5 | 0/4/1 | 0.0% |
| A17 | English Opening | 5 | 2/1/2 | 40.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jan 1994 | Reiner Franke | 2,290 | ch-Romulus MI region | D02 |
| Sep 2001 | Sergei Chobanyan | 2,286 | Lansing Open | D91 |
| Jan 1984 | Joel F Johnson | 2,250 | Plymouth ch-MI Open | C08 |
| Jan 1998 | Steven Andrews | 2,200 | Michigan Open | A44 |
| Sep 2000 | David Hahn | 2,143 | Romulus Open | A46 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Lansing Open | 2004 | 22 | 12.5 | 2,107 |
| ch-Lansing MI Open | 1989 | 21 | 12 | – |
| ch-Detroit MI Open | 1994 | 14 | 9 | – |
| Michigan Open | 1999 | 14 | 8 | 2,293 |
| Detroit East Open | 1984 | 11 | 7.5 | – |
| ch-Flint MI M/X | 1993 | 8 | 4.5 | – |
| ch-East Lansing MI Open | 1982 | 7 | 3 | – |
| Ann Arbor ch-MI Open | 1983 | 7 | 3 | – |
Interactive opening tree from all 249 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Stanley Jarosz Jr's chess games?
249 games by Stanley Jarosz Jr, from Oct 2015 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 Stanley Jarosz Jr has played.
What does Stanley Jarosz Jr play on the first move as White?
Across 123 games with White in our database, Stanley Jarosz Jr opens with 1.d4 (88% of games), 1.c4 (8% of games), 1.e4 (4% of games). Against 1.e4 as Black, Stanley Jarosz Jr answers 1...e6 (52% of games), 1...c5 (48% of games). Against 1.d4: 1...d5 (100% of games).
What openings does Stanley Jarosz Jr play as White?
As White, Stanley Jarosz Jr's most-played openings in our database are: London System (21 games, 66.7% win rate); Indian Defense (13 games, 46.2% win rate); English Opening (9 games, 22.2% win rate). The full breakdown of 123 games with White is in the table above.
What openings does Stanley Jarosz Jr play as Black?
As Black, Stanley Jarosz Jr most often plays: Queen's Gambit Declined: Orthodox Defense (19 games, 26.3% win rate); Sicilian (10 games, 60.0% win rate); Indian Defense (9 games, 55.6% win rate). See the table above for the top ten Black openings across 126 games.
What is Stanley Jarosz Jr's FIDE rating?
Stanley Jarosz Jr is currently rated 1,835 in classical chess. Peak classical rating: 1,885 (Sep 2024).
How many games has Stanley Jarosz Jr played?
Our database contains 249 games by Stanley Jarosz Jr, covering Oct 2015 to Jul 2026. Overall record: 112 wins, 59 draws, 78 losses (45.0% win rate).
How do I prepare against Stanley Jarosz Jr?
249 games by Stanley Jarosz Jr 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.