Prepare against Yidi Sun
China · World #15,829 classical · FIDE ID 8614776
When preparing against Yidi Sun, expect 1.e4 in 97% of White games. Against 1.e4 the reply is 1...c5 (89% of games); against 1.d4, 1...Nf6 (77%). Lowest win rate among frequent openings: Sicilian: Dragon as Black, 40.0% over 15 games.
Our database contains 199 games by Yidi Sun, covering Sep 2014 to Aug 2026. Below you'll find Yidi Sun's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Yidi Sun 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 | 2,097 | 2,212 | Jul 2019 |
| Rapid | 2,237 | 2,237 | Aug 2026 |
| Blitz | 2,140 | 2,168 | Dec 2019 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 199 | 68 | 58 | 73 | 34.2% |
| As White | 104 | 40 | 27 | 37 | 38.5% |
| As Black | 95 | 28 | 31 | 36 | 29.5% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Yidi Sun's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Yidi Sun's side.
First moves as White (104 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 101 | 97.1% | 53.0% |
| d4 | 3 | 2.9% | 0.0% |
Main lines as White
- 1.e4 — 97% of White games, 53.0% score
- …c5 (47% of these games) — Sun usually continues Nf3 (55.2% score)
- …e6 (18% of these games) — Sun usually continues d4 (61.1% score)
- …c6 (11% of these games) — Sun usually continues d4 (50.0% score)
- 1.d4 — 3% of White games, 0.0% score
- …Nf6 (67% of these games) — Sun usually continues Nf3 (0.0% score)
- …e6 (33% of these games) — Sun usually continues Nf3 (0.0% score)
As Black against 1.e4 (46 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 41 | 89.1% | 51.2% |
| e6 | 3 | 6.5% | 50.0% |
| e5 | 1 | 2.2% | 50.0% |
| d5 | 1 | 2.2% | 100.0% |
As Black against 1.d4 (35 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 27 | 77.1% | 38.9% |
| d5 | 7 | 20.0% | 28.6% |
| e6 | 1 | 2.9% | 100.0% |
Yidi Sun's chess games
All 199 games by Yidi Sun in the Chess.ceo database (Sep 2014 - 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: 68 wins, 58 draws, 73 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B22 | Sicilian: Alapin | 14 | 7/3/4 | 50.0% |
| C02 | French: Advance Variation | 10 | 6/0/4 | 60.0% |
| B22 | Sicilian | 10 | 2/4/4 | 20.0% |
| B90 | Sicilian: Najdorf | 8 | 2/3/3 | 25.0% |
| B08 | Pirc Defense | 7 | 2/1/4 | 28.6% |
| B48 | Sicilian: Taimanov | 5 | 2/2/1 | 40.0% |
| C45 | Scotch Game | 5 | 2/2/1 | 40.0% |
| B12 | Caro-Kann: Advance Variation | 4 | 2/0/2 | 50.0% |
| C18 | French: Winawer Variation | 4 | 2/1/1 | 50.0% |
| C03 | French: Tarrasch Variation | 4 | 2/1/1 | 50.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B76 | Sicilian: Dragon | 15 | 6/4/5 | 40.0% |
| E05 | Catalan | 11 | 2/7/2 | 18.2% |
| B50 | Sicilian | 10 | 3/2/5 | 30.0% |
| D45 | Slav Defense | 9 | 1/1/7 | 11.1% |
| B52 | Sicilian: Moscow Variation | 6 | 3/1/2 | 50.0% |
| E35 | Nimzo-Indian: Classical Variation | 5 | 3/0/2 | 60.0% |
| A15 | English Opening | 5 | 1/2/2 | 20.0% |
| B26 | Sicilian: Closed | 3 | 2/0/1 | 66.7% |
| B40 | Sicilian: Four Knights | 3 | 0/2/1 | 0.0% |
| A07 | Réti Opening | 3 | 1/1/1 | 33.3% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Sep 2019 | Yan Liu | 2,524 | SCO Open | B22 |
| Jun 2018 | Jinrong Liang | 2,461 | chT-CHN | B48 |
| Dec 2019 | Xiongjian Peng | 2,417 | ch-CHN rapid | B52 |
| Jul 2018 | Chen Zou | 2,411 | ch-CHN B | B52 |
| Dec 2019 | Minghui Xu | 2,406 | ch-CHN rapid | B15 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-CHN B | 2023 | 30 | 20 | 2,211 |
| Wch U10 | 2014 | 11 | 6.5 | 1,861 |
| ch-CHN U20 | 2024 | 11 | 7.5 | 1,981 |
| 7th SCO Int Team | 2025 | 10 | 3 | 2,210 |
| Shenzhen zt 3.5 | 2016 | 10 | 1.5 | 1,749 |
| chT-CHN | 2018 | 9 | 5 | 1,979 |
| TCh-CHN League B 2025 | 2025 | 9 | 6 | 2,160 |
| ch-CHN blitz | 2019 | 9 | 1.5 | 2,033 |
Interactive opening tree from all 199 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Yidi Sun's chess games?
199 games by Yidi Sun, from Sep 2014 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 Yidi Sun has played.
What does Yidi Sun play on the first move as White?
Across 104 games with White in our database, Yidi Sun opens with 1.e4 (97% of games), 1.d4 (3% of games). Against 1.e4 as Black, Yidi Sun answers 1...c5 (89% of games), 1...e6 (7% of games), 1...e5 (2% of games). Against 1.d4: 1...Nf6 (77% of games), 1...d5 (20% of games), 1...e6 (3% of games).
What openings does Yidi Sun play as White?
As White, Yidi Sun's most-played openings in our database are: Sicilian: Alapin (14 games, 50.0% win rate); French: Advance Variation (10 games, 60.0% win rate); Sicilian (10 games, 20.0% win rate). The full breakdown of 104 games with White is in the table above.
What openings does Yidi Sun play as Black?
As Black, Yidi Sun most often plays: Sicilian: Dragon (15 games, 40.0% win rate); Catalan (11 games, 18.2% win rate); Sicilian (10 games, 30.0% win rate). See the table above for the top ten Black openings across 95 games.
What is Yidi Sun's FIDE rating?
Yidi Sun is currently rated 2,097 in classical chess, 2,237 in rapid and 2,140 in blitz. Peak classical rating: 2,212 (Jul 2019).
How many games has Yidi Sun played?
Our database contains 199 games by Yidi Sun, covering Sep 2014 to Aug 2026. Overall record: 68 wins, 58 draws, 73 losses (34.2% win rate).
How do I prepare against Yidi Sun?
199 games by Yidi Sun 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.