Prepare against Chao Sun
FM · China · World #3,921 classical · FIDE ID 8622990
Our database contains 204 games by Chao Sun, covering Aug 2017 to Aug 2026. Below you'll find Chao Sun's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Chao 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 | 2,305 | 2,319 | Jul 2026 |
| Rapid | 2,030 | 2,030 | Aug 2026 |
| Blitz | 2,030 | 2,041 | Apr 2018 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 204 | 52 | 91 | 61 | 25.5% |
| As White | 102 | 33 | 46 | 23 | 32.4% |
| As Black | 102 | 19 | 45 | 38 | 18.6% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Chao Sun's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Chao Sun's side.
First moves as White (102 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf3 | 54 | 52.9% | 57.4% |
| c4 | 22 | 21.6% | 59.1% |
| d4 | 14 | 13.7% | 53.6% |
| e4 | 12 | 11.8% | 37.5% |
Main lines as White
- 1.Nf3 — 53% of White games, 57.4% score
- …Nf6 (46% of these games) — Sun usually continues c4 (52.6% score)
- …d5 (33% of these games) — Sun usually continues d4 (57.1% score)
- …c5 (9% of these games) — Sun usually continues c4 (75.0% score)
- 1.c4 — 22% of White games, 59.1% score
- …Nf6 (32% of these games) — Sun usually continues Nc3 (75.0% score)
- …e5 (23% of these games) — Sun usually continues g3 (25.0% score)
- …c6 (14% of these games) — Sun usually continues Nf3 (66.7% score)
As Black against 1.e4 (37 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 20 | 54.1% | 37.5% |
| c6 | 7 | 18.9% | 57.1% |
| d6 | 6 | 16.2% | 25.0% |
| e6 | 3 | 8.1% | 16.7% |
| c5 | 1 | 2.7% | 50.0% |
As Black against 1.d4 (49 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 20 | 40.8% | 37.5% |
| d5 | 15 | 30.6% | 53.3% |
| e6 | 12 | 24.5% | 41.7% |
| d6 | 2 | 4.1% | 75.0% |
Chao Sun's chess games
All 204 games by Chao Sun in the Chess.ceo database (Aug 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: 52 wins, 91 draws, 61 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A13 | English Opening | 21 | 9/5/7 | 42.9% |
| A09 | Réti Opening | 13 | 5/6/2 | 38.5% |
| A20 | English Opening: Reverse Sicilian | 7 | 2/3/2 | 28.6% |
| D02 | Queen's Pawn Game | 7 | 1/5/1 | 14.3% |
| A35 | Modern Defense | 6 | 2/3/1 | 33.3% |
| A37 | English Opening: Symmetrical | 6 | 2/3/1 | 33.3% |
| B51 | Sicilian: Moscow Variation | 4 | 1/2/1 | 25.0% |
| D10 | Slav Defense | 4 | 0/3/1 | 0.0% |
| D30 | Queen's Gambit Declined | 3 | 1/1/1 | 33.3% |
| D38 | Queen's Gambit Declined: Ragozin Defense | 3 | 1/2/0 | 33.3% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D35 | Indian Defense | 16 | 5/7/4 | 31.3% |
| C67 | Ruy Lopez: Berlin Defense | 8 | 0/2/6 | 0.0% |
| D38 | Queen's Gambit Declined: Ragozin Defense | 7 | 0/2/5 | 0.0% |
| E04 | Catalan | 6 | 0/4/2 | 0.0% |
| C41 | Philidor | 5 | 1/1/3 | 20.0% |
| D02 | London System | 4 | 1/3/0 | 25.0% |
| B12 | Caro-Kann: Advance Variation | 4 | 2/1/1 | 50.0% |
| D94 | Slav Defense | 4 | 0/3/1 | 0.0% |
| A14 | English Opening | 3 | 0/1/2 | 0.0% |
| E34 | Nimzo-Indian: Classical Variation | 3 | 1/1/1 | 33.3% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Apr 2025 | Di Li | 2,571 | CHN Team Men | E20 |
| Jun 2026 | Changren Dai | 2,539 | Asian Individual Chess Championship 2026 | Open | D35 |
| Apr 2026 | Weichao Chu | 2,395 | CHN Team Men 2026 | B51 |
| Sep 2023 | Irakli Akhvlediani | 2,390 | 7th Maia Open | E61 |
| Apr 2026 | Jiaxiang Xie | 2,333 | CHN Team Men 2026 | C50 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| China zt 3.5 | 2021 | 20 | 10 | 2,141 |
| Xingtai Open | 2018 | 9 | 4 | 2,210 |
| 5th Rebecca Cup | 2025 | 9 | 4.5 | 2,246 |
| Belt and Road Hunan Open B | 2019 | 9 | 4 | 2,088 |
| 10th Penang Open | 2018 | 9 | 5.5 | 2,005 |
| CHN Team Men | 2025 | 9 | 5.5 | 2,309 |
| 2nd Lignano Bella Italia Open | 2023 | 9 | 5 | 2,309 |
| 11th Penang Open | 2019 | 9 | 5.5 | 2,134 |
Interactive opening tree from all 204 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Chao Sun's chess games?
204 games by Chao Sun, from Aug 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 Chao Sun has played.
What does Chao Sun play on the first move as White?
Across 102 games with White in our database, Chao Sun opens with 1.Nf3 (53% of games), 1.c4 (22% of games), 1.d4 (14% of games). Against 1.e4 as Black, Chao Sun answers 1...e5 (54% of games), 1...c6 (19% of games), 1...d6 (16% of games). Against 1.d4: 1...Nf6 (41% of games), 1...d5 (31% of games), 1...e6 (24% of games).
What openings does Chao Sun play as White?
As White, Chao Sun's most-played openings in our database are: English Opening (21 games, 42.9% win rate); Réti Opening (13 games, 38.5% win rate); English Opening: Reverse Sicilian (7 games, 28.6% win rate). The full breakdown of 102 games with White is in the table above.
What openings does Chao Sun play as Black?
As Black, Chao Sun most often plays: Indian Defense (16 games, 31.3% win rate); Ruy Lopez: Berlin Defense (8 games, 0.0% win rate); Queen's Gambit Declined: Ragozin Defense (7 games, 0.0% win rate). See the table above for the top ten Black openings across 102 games.
What is Chao Sun's FIDE rating?
Chao Sun is currently rated 2,305 in classical chess, 2,030 in rapid and 2,030 in blitz. Peak classical rating: 2,319 (Jul 2026).
How many games has Chao Sun played?
Our database contains 204 games by Chao Sun, covering Aug 2017 to Aug 2026. Overall record: 52 wins, 91 draws, 61 losses (25.5% win rate).
How do I prepare against Chao Sun?
204 games by Chao 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.