Player profile

Jefferson, Matheu

Standard: 1946 Rapid: 1955 Blitz: 0 (last updated 2026-10-02)

FIDE ID: 30912644 (view FIDE profile)

Federation: USA Sex: M Birth Year: 1995 Age: 31

Title: — Women's title: — Other title: — FOA title: —

Games: 9 Wins: 1 (11%) Draws: 2 (22%) Losses: 6 (67%)

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Dossier

9 of 9 games analyzed.

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Openings

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As White 1 game 0W 0D 1L

Sicilian Defense 1 game 0W 0D 1L

Najdorf Variation 1 game 0W 0D 1L

English Attack 1 game 0W 0D 1L

As Black 3 games 0W 1D 2L

Sicilian Defense 2 games 0W 1D 1L

Scheveningen Variation 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Flohr Variation 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

Catalan Opening 1 game 0W 0D 1L

Open Defense 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Blunders Top 4 of 52

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

2025.11.19 · 26... Bd7 (−43.3% win chance) 1-0

Jefferson, Matheu

Hinson, Miles

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2023.04.07 · 33... d3+ (−33.6% win chance) 0-1

Matheu Jefferson

Michael Li

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2023.04.08 · 35. Rhg3 (−32.2% win chance) 0-1

Nha Duong

Matheu Jefferson

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2023.04.08 · 33. Re1 (−28.7% win chance) 0-1

Nha Duong

Matheu Jefferson

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Games Showing all 9 games

Date	Event	Round	Opponent	Result	Accuracy %	First moves
2025.12.19	Round 1: Colas, Joshua - Jefferson, Matheu	1.15	2025.12.19 Colas, Joshua (2044447) (2271)	0	89.60%	1. Nf3 Nf6 2. c4 e6 3. g3 d5
2025.11.19	Round 3: Hinson, Miles - Jefferson, Matheu	3.3	2025.11.19 Hinson, Miles (2047420) (1969)	0	76.90%	1. e4 c5 2. Nf3 e6 3. d4 cxd4
2025.11.19	Round 2: Weingarten, Phineas - Jefferson, Matheu	2.4	2025.11.19 Weingarten, Phineas (39921107) (1891)	½	88.30%	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
2025.11.18	Round 1: Jefferson, Matheu - Das, Aditeya	1.1	2025.11.18 Das, Aditeya (30975972) (2276)	0	65.10%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2023.04.08	15th Annual Open at Foxwoods	6	2023.04.08 Nha Duong	0	82.80%	1. e4 c5 2. Nf3 Nc6 3. Bb5 Qc7
2023.04.07	15th Annual Open at Foxwoods	5	2023.04.07 Michael Li	1	85.40%	1. e4 d6 2. d4 Nf6 3. Nc3 g6
2023.04.06	15th Annual Open at Foxwoods	3	2023.04.06 Chloe Gaw	0	77.20%	1. d4 e6 2. c4 Nf6 3. Nc3 c5
2023.04.06	15th Annual Open at Foxwoods	2	2023.04.06 Shawn Barry	½	92.50%	1. c4 e5 2. g3 Nc6 3. Nc3 Nf6
2023.04.05	15th Annual Open at Foxwoods	1	2023.04.05 Maili-jade Ouellet	0	88.70%	1. d4 e6 2. c4 Nf6 3. Nc3 Bb4