Prepare against Matthew Guo Diao
FM · United States · World #9,028 classical · FIDE ID 30970547
Our database contains 513 games by Matthew Guo Diao, covering Dec 2021 to Aug 2026. Below you'll find Matthew Guo Diao's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Matthew Guo Diao 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 | 2,186 | 2,340 | Jan 2026 |
| Blitz | 2,157 | 2,157 | Aug 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 513 | 239 | 53 | 221 | 46.6% |
| As White | 259 | 136 | 26 | 97 | 52.5% |
| As Black | 254 | 103 | 27 | 124 | 40.6% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Matthew Guo Diao's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Matthew Guo Diao's side.
First moves as White (259 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 175 | 67.6% | 51.4% |
| Nf3 | 44 | 17.0% | 59.1% |
| e4 | 23 | 8.9% | 73.9% |
| b3 | 7 | 2.7% | 85.7% |
| c4 | 6 | 2.3% | 100.0% |
| Na3 | 2 | 0.8% | 100.0% |
Main lines as White
- 1.d4 — 68% of White games, 51.4% score
- …Nf6 (56% of these games) — Diao usually continues c4 (45.8% score)
- …d5 (23% of these games) — Diao usually continues c4 (59.8% score)
- …e6 (6% of these games) — Diao usually continues c4 (40.0% score)
- 1.Nf3 — 17% of White games, 59.1% score
- …Nf6 (41% of these games) — Diao usually continues g3 (37.5% score)
- …d5 (27% of these games) — Diao usually continues d4 (83.3% score)
- …c5 (11% of these games) — Diao usually continues c4 (66.7% score)
As Black against 1.e4 (123 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 93 | 75.6% | 47.3% |
| e6 | 22 | 17.9% | 38.6% |
| e5 | 5 | 4.1% | 40.0% |
| d6 | 3 | 2.4% | 66.7% |
As Black against 1.d4 (73 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 61 | 83.6% | 36.9% |
| Nf6 | 9 | 12.3% | 88.9% |
| g6 | 1 | 1.4% | 0.0% |
| c6 | 1 | 1.4% | 100.0% |
| e6 | 1 | 1.4% | 100.0% |
Matthew Guo Diao's chess games
All 513 games by Matthew Guo Diao in the Chess.ceo database (Dec 2021 - 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: 239 wins, 53 draws, 221 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D37 | Indian Defense | 43 | 22/5/16 | 51.2% |
| A05 | Réti Opening | 20 | 11/1/8 | 55.0% |
| E73 | King's Indian Defense: Averbakh System | 18 | 8/3/7 | 44.4% |
| D47 | Slav Defense | 18 | 9/4/5 | 50.0% |
| E15 | Queen's Indian Defense | 12 | 7/0/5 | 58.3% |
| A57 | Benoni Defense | 12 | 4/1/7 | 33.3% |
| D97 | Grünfeld Defense | 10 | 3/1/6 | 30.0% |
| E11 | Bogo-Indian Defense | 10 | 3/1/6 | 30.0% |
| D32 | Queen's Gambit Declined | 9 | 6/0/3 | 66.7% |
| A85 | Dutch Defense | 9 | 6/0/3 | 66.7% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D10 | Slav Defense | 44 | 17/8/19 | 38.6% |
| B40 | Sicilian | 38 | 13/6/19 | 34.2% |
| B45 | Sicilian: Four Knights | 34 | 19/2/13 | 55.9% |
| A04 | Réti Opening | 16 | 6/3/7 | 37.5% |
| D00 | London System | 14 | 8/0/6 | 57.1% |
| B22 | Sicilian: Alapin | 8 | 3/2/3 | 37.5% |
| B23 | Sicilian: Closed | 8 | 3/0/5 | 37.5% |
| D00 | Queen's Pawn Game | 6 | 2/0/4 | 33.3% |
| C11 | French: Classical Variation | 6 | 0/1/5 | 0.0% |
| A50 | Indian Defense | 5 | 4/0/1 | 80.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jul 2026 | Kollars,Dmitrij | 2,634 | 2nd 3-0 Thu 30th Jul 2026 | A10 |
| Jul 2024 | Jan Gustafsson | 2,604 | Titled Tue Early | D47 |
| Feb 2025 | Leonardo Tristan | 2,542 | Titled Tue Late | D02 |
| Jul 2026 | Quesada Perez,Luis Ernesto | 2,536 | 2nd 3-0 Thu 23rd Jul 2026 | A85 |
| Jun 2024 | Jose Gabriel Cardoso Cardoso | 2,497 | Chess.com Speed Play In | A12 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Titled Tuesday | 2026 | 332 | 169.5 | 2,255 |
| Cherry Blossom Classic | 2026 | 16 | 10 | 2,325 |
| 2nd 3-0 Thu 30th Jul 2026 | 2026 | 11 | 5.5 | 2,359 |
| 2nd 3-0 Thu 23rd Jul 2026 | 2026 | 11 | 7 | 2,390 |
| 1st 3-0 Thu 30th Jul 2026 | 2026 | 11 | 5 | 2,160 |
| 1st 3-0 Thu 23rd Jul 2026 | 2026 | 11 | 5 | 2,206 |
| Chess.com Speed Play In | 2024 | 11 | 5.5 | 2,378 |
| Atlantic Chess Ind Day IM | 2025 | 9 | 4.5 | 2,243 |
Interactive opening tree from all 513 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Matthew Guo Diao's chess games?
513 games by Matthew Guo Diao, from Dec 2021 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 Matthew Guo Diao has played.
What does Matthew Guo Diao play on the first move as White?
Across 259 games with White in our database, Matthew Guo Diao opens with 1.d4 (68% of games), 1.Nf3 (17% of games), 1.e4 (9% of games). Against 1.e4 as Black, Matthew Guo Diao answers 1...c5 (76% of games), 1...e6 (18% of games), 1...e5 (4% of games). Against 1.d4: 1...d5 (84% of games), 1...Nf6 (12% of games), 1...g6 (1% of games).
What openings does Matthew Guo Diao play as White?
As White, Matthew Guo Diao's most-played openings in our database are: Indian Defense (43 games, 51.2% win rate); Réti Opening (20 games, 55.0% win rate); King's Indian Defense: Averbakh System (18 games, 44.4% win rate). The full breakdown of 259 games with White is in the table above.
What openings does Matthew Guo Diao play as Black?
As Black, Matthew Guo Diao most often plays: Slav Defense (44 games, 38.6% win rate); Sicilian (38 games, 34.2% win rate); Sicilian: Four Knights (34 games, 55.9% win rate). See the table above for the top ten Black openings across 254 games.
What is Matthew Guo Diao's FIDE rating?
Matthew Guo Diao is currently rated 2,186 in classical chess and 2,157 in blitz. Peak classical rating: 2,340 (Jan 2026).
How many games has Matthew Guo Diao played?
Our database contains 513 games by Matthew Guo Diao, covering Dec 2021 to Aug 2026. Overall record: 239 wins, 53 draws, 221 losses (46.6% win rate).
How do I prepare against Matthew Guo Diao?
513 games by Matthew Guo Diao 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.