Prepare against Jason Williamson
Canada · World #55,105 classical · FIDE ID 2628171
Our database contains 38 games by Jason Williamson, covering Mar 2017 to Aug 2026. Below you'll find Jason Williamson's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jason Williamson 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 | 1,873 | 1,873 | Aug 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 38 | 12 | 8 | 18 | 31.6% |
| As White | 18 | 7 | 4 | 7 | 38.9% |
| As Black | 20 | 5 | 4 | 11 | 25.0% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Jason Williamson's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jason Williamson's side.
First moves as White (18 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 18 | 100.0% | 50.0% |
Main lines as White
- 1.e4 — 100% of White games, 50.0% score
- …c5 (44% of these games) — Williamson usually continues Nf3 (31.3% score)
- …e5 (17% of these games) — Williamson usually continues Nf3 (16.7% score)
- …c6 (17% of these games) — Williamson usually continues d4 (100.0% score)
As Black against 1.e4 (7 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 7 | 100.0% | 14.3% |
As Black against 1.d4 (12 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 12 | 100.0% | 41.7% |
Jason Williamson's chess games
All 38 games by Jason Williamson in the Chess.ceo database (Mar 2017 - 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: 12 wins, 8 draws, 18 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B38 | Sicilian: Accelerated Dragon | 3 | 0/0/3 | 0.0% |
| B19 | Caro-Kann: Classical | 2 | 2/0/0 | 100.0% |
| C90 | Ruy Lopez: Closed | 2 | 0/1/1 | 0.0% |
| B78 | Sicilian: Dragon | 2 | 0/1/1 | 0.0% |
| B80 | Sicilian: Najdorf | 2 | 2/0/0 | 100.0% |
| C46 | Scotch Game | 1 | 0/1/0 | 0.0% |
| B28 | Sicilian | 1 | 0/0/1 | 0.0% |
| B01 | Scandinavian Defense: Modern Variation | 1 | 1/0/0 | 100.0% |
| C13 | French: Classical Variation | 1 | 0/1/0 | 0.0% |
| B09 | Pirc Defense | 1 | 1/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B30 | Sicilian | 4 | 0/2/2 | 0.0% |
| A48 | London System | 3 | 1/1/1 | 33.3% |
| A45 | Queen's Pawn Game | 2 | 1/0/1 | 50.0% |
| E60 | King's Indian Defense | 2 | 1/1/0 | 50.0% |
| E92 | King's Indian Defense: Orthodox Variation | 2 | 1/0/1 | 50.0% |
| E81 | King's Indian: Sämisch | 2 | 0/0/2 | 0.0% |
| B33 | Sicilian: Sveshnikov | 1 | 0/0/1 | 0.0% |
| A47 | Indian Defense | 1 | 0/0/1 | 0.0% |
| B21 | Sicilian: Grand Prix Attack | 1 | 0/0/1 | 0.0% |
| B31 | Sicilian: Rossolimo | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Oct 2017 | Henrik Jacobsen | 1,968 | New Westminster Open | A48 |
| Oct 2017 | Gilberto Igharas | 1,928 | New Westminster Open | B19 |
| Oct 2017 | Callum Lehingrat | 1,823 | New Westminster Open | B80 |
| Feb 2017 | Maven Zheng | 1,705 | British Columbia Open | E60 |
| Jul 2023 | David Ramalho | 1,679 | Canadian Open | B90 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Canadian Open | 2023 | 9 | 4.5 | 1,806 |
| New Westminster Open | 2017 | 6 | 3.5 | 2,000 |
| British Columbia-Washington m B | 2017 | 5 | 2 | 1,802 |
| British Columbia Open | 2017 | 5 | 2 | 1,819 |
| Langley Open | 2017 | 4 | 2.5 | 1,755 |
| 2026 Canadian Junior and Senior Championship | 2026 | 3 | 0 | 1,708 |
| Victoria Open | 2019 | 3 | 1 | 1,852 |
| British Columbia-Washington m-B | 2018 | 2 | 0.5 | 1,745 |
Interactive opening tree from all 38 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jason Williamson's chess games?
38 games by Jason Williamson, from Mar 2017 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 Jason Williamson has played.
What does Jason Williamson play on the first move as White?
Across 18 games with White in our database, Jason Williamson opens with 1.e4 (100% of games). Against 1.e4 as Black, Jason Williamson answers 1...c5 (100% of games). Against 1.d4: 1...Nf6 (100% of games).
What openings does Jason Williamson play as White?
As White, Jason Williamson's most-played openings in our database are: Sicilian: Accelerated Dragon (3 games, 0.0% win rate); Caro-Kann: Classical (2 games, 100.0% win rate); Ruy Lopez: Closed (2 games, 0.0% win rate). The full breakdown of 18 games with White is in the table above.
What openings does Jason Williamson play as Black?
As Black, Jason Williamson most often plays: Sicilian (4 games, 0.0% win rate); London System (3 games, 33.3% win rate); Queen's Pawn Game (2 games, 50.0% win rate). See the table above for the top ten Black openings across 20 games.
What is Jason Williamson's FIDE rating?
Jason Williamson is currently rated 1,873 in classical chess. Peak classical rating: 1,873 (Aug 2026).
How many games has Jason Williamson played?
Our database contains 38 games by Jason Williamson, covering Mar 2017 to Aug 2026. Overall record: 12 wins, 8 draws, 18 losses (31.6% win rate).
How do I prepare against Jason Williamson?
38 games by Jason Williamson 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.