NorwayNOR
ID: 1544632

Jonas Rojahn

FIDE ratings

1,924Classical
1,925Blitz

Performance

50 games
44% Win
32% Draw
24% Loss

Jonas Rojahn's playing style

Strong overall score:60%22W 16D 12L over 50 games
Dominates 1.e4 as White:60%in 24 games
Steady recent form:65%12W 2D 6L in last 20 games
Hard to beat — high draw rate:32%of games are draws

Openings as White

Among the openings shown, Sicilian Defense: McDonnell Attack has the largest White sample, with 2 games. Select a row to explore its moves and inspect example games below.

Sicilian Defense: McDonnell Attack
100%
2g
Caro-Kann Defense: Karpov Variation
100%
2g
Sicilian Defense: Grand Prix Attack
100%
2g
French Defense: Tarrasch Variation
100%
2g
Caro-Kann Defense: Panov Attack
100%
2g

Openings as Black

Among the openings shown, Italian Game: Two Knights Defense, Polerio Defense, Suhle Defense has the largest Black sample, with 4 games. These results describe the available sample, not a prediction of the player’s next choice.

Italian Game: Two Knights Defense, Polerio Defense, Suhle Defense
100%
4g
Grünfeld Defense: Exchange Variation
100%
4g
Grünfeld Defense: Three Knights Variation, Petrosian System
100%
3g
Neo-Grünfeld Defense: with Nf3
33%
67%
3g
English Opening: Anglo-Indian Defense, Queen's Knight Variation
100%
2g

Repertoire

24 games as white in scope
8
7
6
5
4
3
2
a1
b
c
d
e
f
g
h
Move arrowsfrequency, not engine evaluation

Starting position

24 games in this line · White to move

Results for Rojahn, Jonas as white · Wins / Draws / Losses

W / D / L
46%
29%
25%
Move
24 · 100%
46%
29%
25%

Game History

(50 games)
DateSourceColorOpponentResultLink
Oct 1, 2006
OTB - Codekiddy
Bjornstad, Leif(2061)
W—
Aug 1, 1999
OTB - Codekiddy
Ionov, Boris(2285)
L—
Aug 1, 1999
OTB - Codekiddy
Johnsen, Kjell Hakon(1295)
W—
Aug 1, 1999
OTB - Codekiddy
Johnsen, Kjell Hakon(1295)
W—
Aug 1, 1999
OTB - Codekiddy
Ionov, Boris(2285)
L—
May 23, 1999
OTB - Codekiddy
Willumsen, Kaj Roger(1842)
W—
May 23, 1999
OTB - Codekiddy
Willumsen, Kaj Roger(1842)
W—
May 22, 1999
OTB - Codekiddy
Hansen, Ola(1897)
W—
May 21, 1999
OTB - Codekiddy
Handberg, Rune(1882)
W—
May 21, 1999
OTB - Codekiddy
Hansen, Ola(1897)
W—

Research Jonas Rojahn’s games and opening repertoire

Jonas Rojahn is rated 1924 in standard, 1925 in blitz by FIDE. Jonas Rojahn plays for Norway.

Jonas Rojahn has FIDE ID 1544632.

Check the official FIDE record for ratings and identity. It is not a complete archive of game moves.

Use the openings as White and Black to identify recurring choices in the available games. Follow a branch into the repertoire explorer and inspect example games in the game history. Dates, time controls and sources affect which patterns are relevant to your next match.

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