ChessmooseOpponent prep

Thomas Jahn

GER · FIDE ID 34679430 · 17 tournament games since 2025
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Standard
1960
#4010 in GER (active)
Rapid
1959
#2140 in GER (active)
Blitz
–
Unrated
Score
71%
11 W · 2 D · 4 L
Opp. avg
1825
Last 17 games
Last game
2026-07-23
59th Biel International Chess Festival 2026 | Open | Amateur (ATO)

Prep summary

Based on 17 over-the-board games (8 classical). 9 with White (78%), 8 with Black (63%).

Openings as White

First move

1.e4978%

Most played

OpeningGamesScore
Sicilian Defense: Dragon Variation250%
Sicilian Defense: Dragon Variation, Yugoslav Attack, Early Deviations10%
Sicilian Defense: Taimanov Variation, Szén Variation1100%
Scandinavian Defense: Main Line, Mieses Variation1100%
Alekhine Defense1100%

Openings as Black

Against 1.e4 (2 games)

1...c5 Sicilian Defense275%

Against 1.d4 (5 games)

1...d5 Queen's Pawn Game560%

Most played

OpeningGamesScore
Sicilian Defense: O'Kelly Variation, Normal System150%
Catalan Opening: Open Defense, Classical Line1100%
Sicilian Defense: Grand Prix Attack1100%
Queen's Pawn Game: London System, with e61100%
English Opening: King's English Variation150%

Recent games

DateOpponent and eventResult
2026-07-23Miralem Novalic (1966)
59th Biel International Chess Festival 2026 | Open | Amateur (ATO) · classical
L
2026-07-22Abigail Zhou (1831)
59th Biel International Chess Festival 2026 | Open | Amateur (ATO) · classical
½
2026-07-21Dimitrios Alexakis (1959)
59th Biel International Chess Festival 2026 | Open | Amateur (ATO) · classical
L
2026-07-21Fabrice Aegerter (1915)
59th Biel International Chess Festival 2026 | Open | Amateur (ATO) · classical
W
2026-07-18Achim Schneuwly (1933)
59th Biel International Chess Festival 2026 | Open | Amateur (ATO) · classical
W
2026-07-17Harry Gheorghiu (1733)
59th Biel International Chess Festival 2026 | Open | Amateur (ATO) · classical
W
2026-07-16Juerg Michel Rickli (1742)
59th Biel International Chess Festival 2026 | Open | Amateur (ATO) · classical
W
2026-07-15Ernst Linder (1783)
59th Biel International Chess Festival 2026 | Open | Amateur (ATO) · classical
W
2026-07-15Patrick Andre Pantillon (1719)
59th Biel International Chess Festival 2026 | Open | Amateur (ATO)
W
2025-07-23Remy Hakvoort (1834)
58th International Chess Festival Biel (Open) | Amateur tournament
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.