Prepare against Yunjin Sun
China · World #52,933 classical · FIDE ID 8688672
When preparing against Yunjin Sun, expect 1.Nf3 in 100% of White games. Against 1.e4 the reply is 1...e6 (100% of games); against 1.d4, 1...Nf6 (100%).
Our database contains 36 games by Yunjin Sun, covering Jul 2026 to Nov 2026. Below you'll find Yunjin Sun's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Yunjin 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 | 1,883 | 1,883 | Nov 2026 |
| Rapid | 1,658 | 1,902 | Sep 2026 |
| Blitz | 1,725 | 1,725 | Nov 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 36 | 25 | 3 | 8 | 69.4% |
| As White | 20 | 14 | 2 | 4 | 70.0% |
| As Black | 16 | 11 | 1 | 4 | 68.8% |
FIDE rated record
From FIDE's official rated-game ledger (2025-2026): 20 rated games against 20 different opponents, across 2 events in 1 countries. These counts cover FIDE-rated play only, so they differ from the database totals above.
By time control
| Format | Games | W | D | L | Win rate | Avg opp | Perf | Unbeaten |
|---|---|---|---|---|---|---|---|---|
| Classical | 11 | 9 | 2 | 0 | 81.8% | 1,462 | 1,862 | 11 |
| Rapid | 9 | 2 | 1 | 6 | 22.2% | 1,676 | 1,276 | 2 |
Tournament wins
1 tournament win from 2 events, 1 of them outright.
Year by year
| Year | Games | W | D | L | Avg opp | Perf |
|---|---|---|---|---|---|---|
| 2026 | 11 | 9 | 2 | 0 | 1,462 | 1,862 |
| 2025 | 9 | 2 | 1 | 6 | 1,676 | 1,276 |
Move-by-move preparation stats
Straight from the preparation tree built over all of Yunjin Sun's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Yunjin Sun's side.
First moves as White (20 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf3 | 20 | 100.0% | 75.0% |
Main lines as White
- 1.Nf3 — 100% of White games, 75.0% score
- …d5 (50% of these games) — Sun usually continues g3 (83.3% score)
- …Nf6 (35% of these games) — Sun usually continues g3 (64.3% score)
- …c5 (5% of these games) — Sun usually continues c4 (100.0% score)
As Black against 1.e4 (13 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e6 | 13 | 100.0% | 69.2% |
As Black against 1.d4 (3 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 3 | 100.0% | 83.3% |
Yunjin Sun's chess games
All 36 games by Yunjin Sun in the Chess.ceo database (Jul 2026 - Nov 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: 25 wins, 3 draws, 8 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A07 | Réti Opening | 11 | 7/1/3 | 63.6% |
| A07 | Catalan | 4 | 4/0/0 | 100.0% |
| A11 | English Opening: Slav Setup | 1 | 0/1/0 | 0.0% |
| D78 | Indian Defense | 1 | 1/0/0 | 100.0% |
| D58 | Queen's Gambit Declined: Orthodox Defense | 1 | 0/0/1 | 0.0% |
| A37 | English Opening: Symmetrical | 1 | 1/0/0 | 100.0% |
| A97 | Dutch Defense | 1 | 1/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| C01 | French: Exchange Variation | 6 | 2/0/4 | 33.3% |
| C02 | French: Advance Variation | 3 | 3/0/0 | 100.0% |
| C07 | French: Tarrasch Variation | 2 | 2/0/0 | 100.0% |
| C10 | French Defense | 1 | 1/0/0 | 100.0% |
| C13 | French: Classical Variation | 1 | 1/0/0 | 100.0% |
| D79 | Indian Defense | 1 | 0/1/0 | 0.0% |
| D01 | London System | 1 | 1/0/0 | 100.0% |
| A45 | Trompowsky Attack | 1 | 1/0/0 | 100.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jun 2026 | Irene Lin | 1,616 | FIDE World Cadets Cup 2026 | G08 | D01 |
| Jun 2026 | Amelia Malakhova | 1,553 | FIDE World Cadets Cup 2026 | G08 | A97 |
| Jun 2026 | Amina Mukanova | 1,545 | FIDE World Cadets Cup 2026 | G08 | A45 |
| Aug 2026 | Venera Zhakisheva | 1,537 | KAZ-World Girls Rapid | A07 |
| Feb 2026 | Hongyu Tao | 1,515 | Chinese Youth Championships 2026 | Girls U8 | C02 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Chinese Youth Championships 2026 | Girls U8 | 2026 | 11 | 10 | 1,789 |
| FIDE World Cadets Cup 2026 | G08 | 2026 | 11 | 9.5 | 1,796 |
| KAZ-World Girls Blitz | 2026 | 8 | 3 | 1,437 |
| KAZ-World Girls Rapid | 2026 | 4 | 4 | 1,937 |
| 2026年全国国际象棋棋协大师赛 (兴化站) | 2026 | 1 | 0 | 1,780 |
| 2026年全国国际象棋棋协大师赛 (南京站) | 2026 | 1 | 0 | 1,272 |
Interactive opening tree from all 36 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Yunjin Sun's chess games?
36 games by Yunjin Sun, from Jul 2026 to Nov 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 Yunjin Sun has played.
What does Yunjin Sun play on the first move as White?
Across 20 games with White in our database, Yunjin Sun opens with 1.Nf3 (100% of games). Against 1.e4 as Black, Yunjin Sun answers 1...e6 (100% of games). Against 1.d4: 1...Nf6 (100% of games).
What openings does Yunjin Sun play as White?
As White, Yunjin Sun's most-played openings in our database are: Réti Opening (11 games, 63.6% win rate); Catalan (4 games, 100.0% win rate); English Opening: Slav Setup (1 games, 0.0% win rate). The full breakdown of 20 games with White is in the table above.
What openings does Yunjin Sun play as Black?
As Black, Yunjin Sun most often plays: French: Exchange Variation (6 games, 33.3% win rate); French: Advance Variation (3 games, 100.0% win rate); French: Tarrasch Variation (2 games, 100.0% win rate). See the table above for the top ten Black openings across 16 games.
What is Yunjin Sun's FIDE rating?
Yunjin Sun is currently rated 1,883 in classical chess, 1,658 in rapid and 1,725 in blitz. Peak classical rating: 1,883 (Nov 2026).
How many games has Yunjin Sun played?
Our database contains 36 games by Yunjin Sun, covering Jul 2026 to Nov 2026. Overall record: 25 wins, 3 draws, 8 losses (69.4% win rate).
How do I prepare against Yunjin Sun?
36 games by Yunjin 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.