Prepare against William Yen
United States · World #28,680 classical · FIDE ID 30932025
Our database contains 159 games by William Yen, covering Oct 2016 to Jul 2026. Below you'll find William Yen's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout William Yen 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 | 1,994 | 2,056 | Jul 2024 |
| Rapid | 1,974 | 1,984 | Jul 2017 |
| Blitz | 1,945 | 1,974 | Jul 2024 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 159 | 79 | 23 | 57 | 49.7% |
| As White | 80 | 50 | 9 | 21 | 62.5% |
| As Black | 79 | 29 | 14 | 36 | 36.7% |
Move-by-move preparation stats
Straight from the preparation tree built over all of William Yen's games — the same tree the interactive prep board lets you walk to any depth. Scores are from William Yen's side.
First moves as White (80 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 61 | 76.3% | 69.7% |
| d4 | 14 | 17.5% | 64.3% |
| c4 | 2 | 2.5% | 100.0% |
| d3 | 1 | 1.3% | 0.0% |
| b3 | 1 | 1.3% | 100.0% |
| a3 | 1 | 1.3% | 0.0% |
Main lines as White
- 1.e4 — 76% of White games, 69.7% score
- …c5 (39% of these games) — Yen usually continues Nf3 (55.3% score)
- …e5 (18% of these games) — Yen usually continues Nc3 (87.5% score)
- …c6 (16% of these games) — Yen usually continues d4 (66.7% score)
- 1.d4 — 18% of White games, 64.3% score
- …Nf6 (71% of these games) — Yen usually continues Nf3 (66.7% score)
- …d5 (14% of these games) — Yen usually continues Nf3 (100.0% score)
- …e6 (7% of these games) — Yen usually continues Nf3 (50.0% score)
As Black against 1.e4 (43 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 32 | 74.4% | 54.7% |
| e6 | 7 | 16.3% | 35.7% |
| c6 | 4 | 9.3% | 25.0% |
As Black against 1.d4 (20 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 16 | 80.0% | 46.9% |
| e6 | 2 | 10.0% | 50.0% |
| d5 | 1 | 5.0% | 0.0% |
| b6 | 1 | 5.0% | 100.0% |
William Yen's chess games
All 159 games by William Yen in the Chess.ceo database (Oct 2016 - 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: 79 wins, 23 draws, 57 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B22 | Sicilian | 11 | 5/1/5 | 45.5% |
| A47 | Indian Defense | 10 | 6/1/3 | 60.0% |
| C29 | Vienna Game | 8 | 7/0/1 | 87.5% |
| B92 | Sicilian: Najdorf | 5 | 2/1/2 | 40.0% |
| C04 | French: Tarrasch Variation | 4 | 3/0/1 | 75.0% |
| C01 | French Defense | 3 | 2/1/0 | 66.7% |
| B13 | Caro-Kann: Exchange Variation | 3 | 2/0/1 | 66.7% |
| B12 | Caro-Kann: Advance Variation | 2 | 0/0/2 | 0.0% |
| B15 | Caro-Kann: Main Line | 2 | 2/0/0 | 100.0% |
| B76 | Sicilian: Dragon | 2 | 1/1/0 | 50.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B90 | Sicilian: Najdorf | 16 | 9/1/6 | 56.3% |
| D85 | Grünfeld Defense | 9 | 5/3/1 | 55.6% |
| B20 | Sicilian | 7 | 2/1/4 | 28.6% |
| A46 | Indian Defense | 4 | 0/1/3 | 0.0% |
| A15 | English Opening | 4 | 1/1/2 | 25.0% |
| B53 | Sicilian: Moscow Variation | 4 | 3/1/0 | 75.0% |
| C18 | French: Winawer Variation | 4 | 1/0/3 | 25.0% |
| A25 | English Opening: Reverse Sicilian | 3 | 1/1/1 | 33.3% |
| B12 | Caro-Kann | 3 | 0/2/1 | 0.0% |
| B22 | Sicilian: Alapin | 3 | 1/0/2 | 33.3% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Oct 2023 | Aleksandar Indjic | 2,610 | Titled Tue Early | C18 |
| Oct 2023 | Niclas Huschenbeth | 2,605 | Titled Tue Early | C18 |
| Sep 2023 | Vladimir Zakhartsov | 2,526 | Titled Tue Late | D02 |
| Sep 2023 | Srihari L R | 2,444 | Titled Tue Early | A15 |
| Sep 2022 | Nikita Matinian | 2,435 | Titled Tue Early | A36 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Titled Tuesday | 2023 | 139 | 84.5 | 2,378 |
| 34th Leon Blitz Open | 2021 | 10 | 4 | 2,079 |
| 11th New York Int Open | 2018 | 6 | 2 | 2,091 |
| 12th New York Int Open | 2019 | 1 | 0 | 1,932 |
| 52nd World Open | 2024 | 1 | 0 | 1,614 |
| 52nd Annual World Open | 2024 | 1 | 0 | 1,614 |
| New York 1924 Centennial | 2024 | 1 | 0 | 2,012 |
Interactive opening tree from all 159 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find William Yen's chess games?
159 games by William Yen, from Oct 2016 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 William Yen has played.
What does William Yen play on the first move as White?
Across 80 games with White in our database, William Yen opens with 1.e4 (76% of games), 1.d4 (18% of games), 1.c4 (3% of games). Against 1.e4 as Black, William Yen answers 1...c5 (74% of games), 1...e6 (16% of games), 1...c6 (9% of games). Against 1.d4: 1...Nf6 (80% of games), 1...e6 (10% of games), 1...d5 (5% of games).
What openings does William Yen play as White?
As White, William Yen's most-played openings in our database are: Sicilian (11 games, 45.5% win rate); Indian Defense (10 games, 60.0% win rate); Vienna Game (8 games, 87.5% win rate). The full breakdown of 80 games with White is in the table above.
What openings does William Yen play as Black?
As Black, William Yen most often plays: Sicilian: Najdorf (16 games, 56.3% win rate); Grünfeld Defense (9 games, 55.6% win rate); Sicilian (7 games, 28.6% win rate). See the table above for the top ten Black openings across 79 games.
What is William Yen's FIDE rating?
William Yen is currently rated 1,994 in classical chess, 1,974 in rapid and 1,945 in blitz. Peak classical rating: 2,056 (Jul 2024).
How many games has William Yen played?
Our database contains 159 games by William Yen, covering Oct 2016 to Jul 2026. Overall record: 79 wins, 23 draws, 57 losses (49.7% win rate).
How do I prepare against William Yen?
159 games by William Yen 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.