FMMatthew Guo Diao
USA · FIDE ID 30970547 · 140 tournament games since 2022
Standard
2172
#329 in USA (active)
Rapid
–
Unrated
Blitz
2157
#230 in USA (active)
Score
55%
59 W · 36 D · 45 L
Opp. avg
2201
Last 50 games
Last game
2026-07-02
54th annual World Open - 2026
Prep summary
- As White: 1.d4 in 82% of games (scores 55%).
- Against 1.e4: 1...c5 in 29 of 37 games (Sicilian Defense), scoring 52%.
- Against 1.d4: 1...d5 in 20 of 23 games (Queen's Pawn Game), scoring 45%.
- By opponent strength: 27% against higher-rated players, 74% against lower-rated.
Based on 140 over-the-board games (89 classical). 72 with White (60%), 68 with Black (49%).
Openings as White
First move
| 1.d4 | 59 | 55% |
| 1.Nf3 | 8 | 75% |
| 1.e4 | 4 | 100% |
| 1.g3 | 1 | 100% |
Most played
| Opening | Games | Score |
|---|---|---|
| Queen's Gambit Accepted | 4 | 50% |
| King's Indian Defense: Semi-Averbakh System | 4 | 38% |
| Queen's Gambit Declined: Harrwitz Attack, Main Line | 3 | 100% |
| Bogo-Indian Defense: Grünfeld Variation | 3 | 0% |
| Zukertort Opening: Nimzo-Larsen Variation | 3 | 100% |
Openings as Black
Against 1.e4 (37 games)
| 1...c5 Sicilian Defense | 29 | 52% |
| 1...e6 French Defense | 8 | 44% |
Against 1.d4 (23 games)
| 1...d5 Queen's Pawn Game | 20 | 45% |
| 1...Nf6 Indian Defense | 2 | 50% |
| 1...e6 Horwitz Defense | 1 | 100% |
Most played
| Opening | Games | Score |
|---|---|---|
| Sicilian Defense: Four Knights Variation, Cobra Variation | 6 | 58% |
| Sicilian Defense: French Variation | 6 | 50% |
| Slav Defense: Modern Line | 4 | 13% |
| Slav Defense: Exchange Variation | 3 | 17% |
| Queen's Gambit Accepted: Mannheim Variation | 3 | 0% |
Recent games
| Date | Opponent and event | Result |
|---|---|---|
| 2026-07-02 | Zaven Andriasian (2538) 54th annual World Open - 2026 · classical | L |
| 2026-06-30 | Avi Harrison Kaplan (2297) 4th annual DC International | ½ |
| 2026-06-26 | Oleksii Bilych (2457) 4th annual DC International | L |
| 2026-05-25 | Andrew Samuelson (2031) 13th Cherry Blossom Chess - 2026 · classical | W |
| 2026-05-25 | Sritej Sai Sattaru (2079) 13th Cherry Blossom Chess - 2026 · classical | ½ |
| 2026-05-24 | Ronen Wilson (2140) 13th Cherry Blossom Chess - 2026 · classical | L |
| 2026-05-24 | Justin Storn (2062) 13th Cherry Blossom Chess - 2026 · classical | W |
| 2026-05-23 | Oleksii Bilych (2448) 13th Cherry Blossom Chess - 2026 · classical | L |
| 2026-05-23 | Titas Stremavicius (2567) 13th Cherry Blossom Chess - 2026 · classical | ½ |
| 2026-05-22 | Julian Joseph (1801) 13th Cherry Blossom Chess - 2026 · classical | W |
Data: FIDE rating list (October 2026 list; national ranks count active players) and tournament games broadcast on Lichess since 2020 (open data, CC0). Results are matched to FIDE players by name or FIDE ID and may be incomplete. This page shows public chess results only. Is this you and you want the page removed? Email chessmoose1@gmail.com and we remove it.