Player profile

Diao, Matthew Guo

Standard: 2169 Rapid: 0 Blitz: 2157 (last updated 2026-11-02)
FIDE ID: 30970547 (view FIDE profile)
Federation: USA Sex: M Birth Year: 2010 Age: 16
Title: FM Women's title: — Other title: — FOA title: —
Games: 142 Wins: 60 (42%) Draws: 36 (25%) Losses: 45 (32%) Other: 1
Dossier

129 of 142 games analyzed.

Accuracy: 90.9%
Opened d4: 40/52Opened Nf3: 9/52Opened e4: 2/52Opened g3: 1/52
Castled kingside: 78Same-side castling: 66Castled queenside: 14Did not castle: 13Opposite-side castling: 12
Played in the center: 36Played on the queenside: 28Fianchettoed kingside: 23Fianchettoed queenside: 20Played on the kingside: 20
Active pieces: 83Sacrificed material: 66Initiated exchanges: 64Space advantage: 62Isolated pawn: 61Backward pawn: 49Kept the bishop pair: 47Missed tactics: 23Avoided exchanges: 22Played gambits: 11
Openings

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As White 59 games 30W 17D 12L
Queen's Gambit Declined 17 games 8W 6D 3L
Harrwitz Attack 6 games 4W 1D 1L
Main Line 2 games 2W 0D 0L
Fianchetto Defense 2 games 1W 1D 0L
Two Knights Defense, Blockade Line 1 game 0W 0D 1L
(unspecified) 1 game 1W 0D 0L
Ragozin Defense 3 games 1W 2D 0L
(unspecified) 2 games 0W 2D 0L
Alekhine Variation 1 game 1W 0D 0L
Semi-Tarrasch Defense 2 games 2W 0D 0L
(unspecified) 1 game 1W 0D 0L
Exchange Variation 1 game 1W 0D 0L
Barmen Variation 2 games 0W 1D 1L
(unspecified) 2 games 0W 1D 1L
Three Knights Variation 2 games 0W 1D 1L
(unspecified) 2 games 0W 1D 1L
Janowski Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
King's Indian Attack 4 games 1W 1D 2L
Symmetrical Defense 3 games 1W 1D 1L
(unspecified) 3 games 1W 1D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Queen's Gambit Accepted 4 games 2W 1D 1L
(unspecified) 3 games 1W 1D 1L
(unspecified) 3 games 1W 1D 1L
Central Variation 1 game 1W 0D 0L
Alekhine System 1 game 1W 0D 0L
King's Indian Defense 4 games 1W 1D 2L
Semi-Averbakh System 4 games 1W 1D 2L
(unspecified) 4 games 1W 1D 2L
Indian Defense 3 games 1W 2D 0L
Tartakower Attack 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Wade-Tartakower Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Dzindzi-Indian Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Zukertort Opening 3 games 3W 0D 0L
Nimzo-Larsen Variation 3 games 3W 0D 0L
(unspecified) 3 games 3W 0D 0L
English Opening 2 games 2W 0D 0L
Symmetrical Variation 2 games 2W 0D 0L
Three Knights Variation 1 game 1W 0D 0L
Anti-Benoni Variation, Geller Variation 1 game 1W 0D 0L
Tarrasch Defense 2 games 1W 1D 0L
Symmetrical Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Schara Gambit 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Sicilian Defense 2 games 2W 0D 0L
O'Kelly Variation 1 game 1W 0D 0L
Maróczy Bind, Geller Line 1 game 1W 0D 0L
Delayed Alapin Variation 1 game 1W 0D 0L
with d6 1 game 1W 0D 0L
Queen's Indian Defense 2 games 2W 0D 0L
Fianchetto Variation 2 games 2W 0D 0L
Kramnik Variation 1 game 1W 0D 0L
Nimzowitsch Variation 1 game 1W 0D 0L
Semi-Slav Defense 2 games 1W 1D 0L
Accelerated Meran Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Meran Variation 1 game 0W 1D 0L
Blumenfeld Variation 1 game 0W 1D 0L
English Defense 2 games 0W 0D 2L
(unspecified) 2 games 0W 0D 2L
(unspecified) 2 games 0W 0D 2L
East Indian Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
French Defense 1 game 1W 0D 0L
Classical Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Bogo-Indian Defense 1 game 0W 0D 1L
Grünfeld Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Queen's Pawn Game 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Nimzo-Indian Defense 1 game 1W 0D 0L
Classical Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Hungarian Opening 1 game 1W 0D 0L
Indian Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Benoni Defense 1 game 1W 0D 0L
Classical Variation 1 game 1W 0D 0L
Czerniak Defense 1 game 1W 0D 0L
Modern Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Slav Defense 1 game 0W 1D 0L
Chebanenko Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Dutch Defense 1 game 0W 1D 0L
Queen's Knight Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Queen's Indian Defense, with e3 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Grünfeld Defense 1 game 0W 0D 1L
Russian Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
As Black 58 games 23W 13D 21L
Sicilian Defense 19 games 10W 4D 4L
Four Knights Variation 6 games 4W 0D 2L
Cobra Variation 5 games 3W 0D 2L
Exchange Variation 1 game 1W 0D 0L
Delayed Alapin Variation 5 games 1W 2D 1L
with e6 3 games 0W 1D 1L
(unspecified) 2 games 1W 1D 0L
French Variation 5 games 2W 2D 1L
Westerinen Attack 2 games 1W 0D 1L
(unspecified) 2 games 0W 2D 0L
Normal 1 game 1W 0D 0L
Taimanov Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Smith-Morra Gambit 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Smith-Morra Gambit Accepted 1 game 1W 0D 0L
Pin Defense 1 game 1W 0D 0L
Slav Defense 12 games 1W 4D 7L
Modern Line 6 games 0W 1D 5L
(unspecified) 6 games 0W 1D 5L
Exchange Variation 2 games 0W 1D 1L
(unspecified) 2 games 0W 1D 1L
Quiet Variation 2 games 1W 1D 0L
Schallopp Defense 2 games 1W 1D 0L
Breyer Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
French Defense 10 games 2W 3D 5L
Advance Variation 3 games 1W 0D 2L
Wade Variation 1 game 0W 0D 1L
Main Line 1 game 1W 0D 0L
Milner-Barry Gambit, Main Line 1 game 0W 0D 1L
Exchange Variation 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
Steinitz Variation 2 games 0W 1D 1L
Boleslavsky Variation 2 games 0W 1D 1L
Classical Variation 1 game 0W 0D 1L
Steinitz Variation 1 game 0W 0D 1L
Tarrasch Variation 1 game 0W 0D 1L
Open System, Main Line 1 game 0W 0D 1L
King's Indian Attack 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Queen's Pawn Game 4 games 3W 0D 1L
Accelerated London System 3 games 3W 0D 0L
Steinitz Countergambit 3 games 3W 0D 0L
Chigorin Variation 1 game 0W 0D 1L
Irish Gambit 1 game 0W 0D 1L
King's Indian Attack 3 games 1W 0D 2L
Sicilian Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Keres Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Semi-Slav Defense 3 games 2W 1D 0L
Botvinnik Variation 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Réti Opening 2 games 0W 1D 1L
Anglo-Slav Variation 1 game 0W 0D 1L
Gurevich System 1 game 0W 0D 1L
Advance Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Queen's Indian Accelerated 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
Queen's Gambit Accepted 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
English Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
English Opening 1 game 1W 0D 0L
King's English Variation 1 game 1W 0D 0L
Adhiban Gambit 1 game 1W 0D 0L
Blunders Top 4 of 441

This player's costliest moves in analyzed games. Can you find the winning move?

2026.05.25 · 18... Re7 (−70.7% win chance) 1/2-1/2
Diao, Matthew Guo
Sattaru, Sritej Sai
View game
2023.12.20 · 35... Nc6 (−66.9% win chance) 0-1
Matthew Guo Diao
Jesus Daniel Diaz Guerrero
View game
2025.10.12 · 24... Nxd4+ (−47.5% win chance) 0-1
Diao, Matthew Guo
Liu, Steven
View game
2026.05.24 · 33. b4 (−47.3% win chance) 0-1
Wilson, Ronen
Diao, Matthew Guo
View game
Games Showing all 142 games
Date Event Round Color Opponent Result Accuracy % First moves