Prepare against Matthew Guo Diao
FM · United States · World #9,906 classical · FIDE ID 30970547
When preparing against Matthew Guo Diao, expect 1.d4 in 64% of White games. Against 1.e4 the reply is 1...c5 (73% of games); against 1.d4, 1...d5 (81%). Lowest win rate among frequent openings: Sicilian as Black, 33.3% over 39 games.
Our database contains 566 games by Matthew Guo Diao, covering Dec 2021 to Sep 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 | 2,172 | 2,340 | Jan 2026 |
| Blitz | 2,157 | 2,157 | Sep 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 566 | 265 | 54 | 247 | 46.8% |
| As White | 287 | 150 | 26 | 111 | 52.3% |
| As Black | 279 | 115 | 28 | 136 | 41.2% |
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 (287 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 184 | 64.1% | 52.2% |
| Nf3 | 51 | 17.8% | 56.9% |
| e4 | 28 | 9.8% | 71.4% |
| c4 | 13 | 4.5% | 61.5% |
| b3 | 7 | 2.4% | 85.7% |
| Na3 | 2 | 0.7% | 100.0% |
Main lines as White
- 1.d4 — 64% of White games, 52.2% score
- …Nf6 (55% of these games) — Diao usually continues c4 (47.0% score)
- …d5 (23% of these games) — Diao usually continues c4 (59.3% score)
- …e6 (6% of these games) — Diao usually continues c4 (40.0% score)
- 1.Nf3 — 18% of White games, 56.9% score
- …Nf6 (43% of these games) — Diao usually continues g3 (36.4% score)
- …d5 (25% of these games) — Diao usually continues d4 (83.3% score)
- …c5 (12% of these games) — Diao usually continues c4 (75.0% score)
As Black against 1.e4 (135 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 98 | 72.6% | 46.9% |
| e6 | 24 | 17.8% | 39.6% |
| e5 | 7 | 5.2% | 42.9% |
| d6 | 5 | 3.7% | 60.0% |
| g6 | 1 | 0.7% | 0.0% |
As Black against 1.d4 (81 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 66 | 81.5% | 37.9% |
| Nf6 | 12 | 14.8% | 91.7% |
| g6 | 1 | 1.2% | 0.0% |
| c6 | 1 | 1.2% | 100.0% |
| e6 | 1 | 1.2% | 100.0% |
Matthew Guo Diao's chess games
All 566 games by Matthew Guo Diao in the Chess.ceo database (Dec 2021 - Sep 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: 265 wins, 54 draws, 247 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D37 | Indian Defense | 43 | 22/5/16 | 51.2% |
| A05 | Réti Opening | 23 | 12/1/10 | 52.2% |
| E73 | King's Indian Defense: Averbakh System | 21 | 10/3/8 | 47.6% |
| D47 | Slav Defense | 19 | 9/4/6 | 47.4% |
| E15 | Queen's Indian Defense | 14 | 8/0/6 | 57.1% |
| A57 | Benoni Defense | 13 | 5/1/7 | 38.5% |
| D97 | Grünfeld Defense | 10 | 3/1/6 | 30.0% |
| E11 | Bogo-Indian Defense | 10 | 3/1/6 | 30.0% |
| B06 | Modern Defense | 10 | 4/2/4 | 40.0% |
| D32 | Queen's Gambit Declined | 10 | 6/0/4 | 60.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D10 | Slav Defense | 44 | 17/8/19 | 38.6% |
| B40 | Sicilian | 39 | 13/6/20 | 33.3% |
| B45 | Sicilian: Four Knights | 35 | 19/2/14 | 54.3% |
| A04 | Réti Opening | 18 | 7/3/8 | 38.9% |
| D00 | London System | 15 | 8/0/7 | 53.3% |
| D00 | Queen's Pawn Game | 9 | 4/1/4 | 44.4% |
| B23 | Sicilian: Closed | 9 | 4/0/5 | 44.4% |
| B22 | Sicilian: Alapin | 8 | 3/2/3 | 37.5% |
| C11 | French: Classical Variation | 8 | 1/1/6 | 12.5% |
| B21 | Sicilian: Smith-Morra Gambit | 7 | 2/0/5 | 28.6% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jul 2026 | Dmitrij Kollars | 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 | Luis Ernesto Quesada Perez | 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 | 364 | 185.5 | 2,257 |
| Cherry Blossom Classic | 2026 | 16 | 10 | 2,325 |
| 1st 3-0 Thu 6th Aug 2026 | 2026 | 11 | 5.5 | 2,144 |
| Chess.com Speed Play In | 2024 | 11 | 5.5 | 2,378 |
| 1st 3-0 Thu 30th Jul 2026 | 2026 | 11 | 5 | 2,160 |
| 1st 3-0 Thu 23rd Jul 2026 | 2026 | 11 | 5 | 2,206 |
| 2nd 3-0 Thu 23rd Jul 2026 | 2026 | 11 | 7 | 2,390 |
| 2nd 3-0 Thu 30th Jul 2026 | 2026 | 11 | 5.5 | 2,359 |
Interactive opening tree from all 566 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Matthew Guo Diao's chess games?
566 games by Matthew Guo Diao, from Dec 2021 to Sep 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 287 games with White in our database, Matthew Guo Diao opens with 1.d4 (64% of games), 1.Nf3 (18% of games), 1.e4 (10% of games). Against 1.e4 as Black, Matthew Guo Diao answers 1...c5 (73% of games), 1...e6 (18% of games), 1...e5 (5% of games). Against 1.d4: 1...d5 (81% of games), 1...Nf6 (15% 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 (23 games, 52.2% win rate); King's Indian Defense: Averbakh System (21 games, 47.6% win rate). The full breakdown of 287 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 (39 games, 33.3% win rate); Sicilian: Four Knights (35 games, 54.3% win rate). See the table above for the top ten Black openings across 279 games.
What is Matthew Guo Diao's FIDE rating?
Matthew Guo Diao is currently rated 2,172 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 566 games by Matthew Guo Diao, covering Dec 2021 to Sep 2026. Overall record: 265 wins, 54 draws, 247 losses (46.8% win rate).
How do I prepare against Matthew Guo Diao?
566 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.