Player profile

Mousseau, Leo

Standard: 0 Rapid: 1867 Blitz: 1763 (last updated 2026-10-02)

FIDE ID: 34666931 (view FIDE profile)

Federation: GER Sex: M Birth Year: 1999 Age: 27

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

Games: 14 Wins: 6 (43%) Draws: 0 (0%) Losses: 8 (57%)

View all games

Dossier

14 of 14 games analyzed.

View full dossier

Openings

Click "+" to add that group to the games list below. Multiple groups can be added at once.

As White 7 games 3W 0D 4L

Vienna Game 4 games 3W 0D 1L

Vienna Gambit 3 games 3W 0D 0L

(unspecified) 3 games 3W 0D 0L

Max Lange Defense 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Sicilian Defense 2 games 0W 0D 2L

Dragon Variation 1 game 0W 0D 1L

Yugoslav Attack, Topalov Variation 1 game 0W 0D 1L

Sozin Attack 1 game 0W 0D 1L

Main Line 1 game 0W 0D 1L

French Defense 1 game 0W 0D 1L

Exchange Variation 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

As Black 7 games 3W 0D 4L

King's Indian Defense 2 games 0W 0D 2L

Fianchetto Variation 1 game 0W 0D 1L

Classical Fianchetto 1 game 0W 0D 1L

Orthodox Variation 1 game 0W 0D 1L

Gligoric-Taimanov System 1 game 0W 0D 1L

Modern Defense 2 games 2W 0D 0L

(unspecified) 2 games 2W 0D 0L

Caro-Kann Defense 1 game 1W 0D 0L

Main Line 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

London System, with Be2 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Pirc Defense 1 game 0W 0D 1L

Austrian Attack 1 game 0W 0D 1L

Weiss Variation 1 game 0W 0D 1L

Blunders Top 4 of 51

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

2026.07.19 · 30... Bd5 (−78.4% win chance) 1-0

Mousseau, Leo

Jud, Marc

Engine View game

2024.11.30 · 73. Kf2 (−45% win chance) 0-1

Boissel, Kasimir

Mousseau, Leo

Engine View game

2024.11.30 · 18... Kh7 (−43.3% win chance) 1-0

Mousseau, Leo

Wong, Gengchun

Engine View game

2026.07.19 · 27. Qd4 (−35.1% win chance) 0-1

Alexakis, Dimitrios

Mousseau, Leo

Engine View game

View blunders & mistakes

Games Showing all 14 games

Date	Event	Round	Opponent	Result	Accuracy %	First moves
2026.07.19	Round 10: Jud, Marc - Mousseau, Leo	10.51	2026.07.19 Jud, Marc (1309099) (1946)	0	54.20%	1. d4 Nf6 2. Nf3 g6 3. c4 Bg7
2026.07.19	Round 9: Mousseau, Leo - Alexakis, Dimitrios	9.42	2026.07.19 Alexakis, Dimitrios (4200527) (1895)	0	77.90%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2026.07.19	Round 8: Waelti, Thomas - Mousseau, Leo	8.50	2026.07.19 Waelti, Thomas (1303996) (1940)	1	89.70%	1. e4 c6 2. d4 d5 3. Nc3 dxe4
2026.07.19	Round 4: Valsecchi, Luca - Mousseau, Leo	4.53	2026.07.19 Valsecchi, Luca (1368524) (1869)	0	85.40%	1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7
2026.07.19	Round 3: Mousseau, Leo - Ragios, Konstantinos	3.48	2026.07.19 Ragios, Konstantinos (4210484) (1957)	0	86.30%	1. e4 e5 2. Nc3 Nc6 3. Bc4 Bb4
2026.07.19	Round 2: Langner, Robin - Mousseau, Leo	2.37	2026.07.19 Langner, Robin (34606190) (2059)	0	88.90%	1. d4 Nf6 2. c4 g6 3. Nc3 Bg7
2026.07.19	Round 1: Mousseau, Leo - Klatt, Marcel	1.40	2026.07.19 Klatt, Marcel (4673760) (2089)	1	90.90%	1. e4 e5 2. Nc3 Nf6 3. f4 d6
2024.11.30	Round 7: Mousseau, Leo - Lippert, Daniel	7.16	2024.11.30 Lippert, Daniel (16261895) (1961)	0	83.90%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2024.11.30	Round 6: Griebling, Florian Alexander - Mousseau, Leo	6.25	2024.11.30 Griebling, Florian (34604936)	1	95.30%	1. e4 g6 2. d4 Bg7 3. Nf3 d6
2024.11.30	Round 5: Mousseau, Leo - Boissel, Kasimir	5.14	2024.11.30 Boissel, Kasimir (16298209) (2012)	0	85.00%	1. e4 e6 2. d4 d5 3. exd5 exd5
2024.11.30	Round 4: Permantier, Paul - Mousseau, Leo	4.28	2024.11.30 Permantier, Paul (533008094)	1	89.30%	1. e4 g6 2. Nf3 Bg7 3. d4 d6
2024.11.30	Round 3: Mousseau, Leo - Kulig, Timo	3.24	2024.11.30 Kulig, Timo (533013080)	1	91.50%	1. e4 e5 2. Nc3 Nf6 3. f4 exf4
2024.11.30	Round 2: Wong, Gengchun - Mousseau, Leo	2.5	2024.11.30 Wong, Gengchun (12963283)	0	72.50%	1. e4 g6 2. d4 Bg7 3. Nc3 d6
2024.11.30	Round 1: Mousseau, Leo - Messerschmidt, Nicolas	1.37	2024.11.30 Messerschmidt, Nicolas (533009139)	1	95.30%	1. e4 e5 2. Nc3 Nf6 3. f4 Nc6