Players / jacoobsen
GM jacoobsen's openings
Chess.com: jacoobsen · Blitz 3193 · Bullet 3034
From 104 games played on Chess.com between Sep 19, 2026 and Nov 6, 2026: jacoobsen scored 47% (42 wins, 14 draws, 48 losses). With White, jacoobsen opens 1.d4 in 65% of games.
As White: first move
- 1.d4: 33 games (65%), scores 55%
- 1.e4: 17 games (33%), scores 38%
- 1.Nf3: 1 games (2%), scores 0%
As White: openings
- Queens Gambit: 16 games (31%), scores 50%
- Sicilian Defense: 8 games (16%), scores 31%
- Nimzo Indian Defense: 4 games (8%), scores 50%
- Kings Indian Defense: 3 games (6%), scores 33%
- Four Knights Game: 3 games (6%), scores 0%
- Closed Sicilian Defense: 2 games (4%), scores 75%
- Semi Slav Defense: 2 games (4%), scores 25%
- Queens Indian Defense: 1 games (2%), scores 100%
As Black: against 1.e4
- 1...c5: 12 games (67%), scores 46%
- 1...e5: 3 games (17%), scores 33%
- 1...e6: 2 games (11%), scores 50%
- 1...Nf6: 1 games (6%), scores 100%
As Black: against 1.d4
- 1...Nf6: 17 games (74%), scores 50%
- 1...d5: 4 games (17%), scores 25%
- 1...a6: 1 games (4%), scores 50%
- 1...d6: 1 games (4%), scores 0%
As Black: openings
- Sicilian Defense: 10 games (19%), scores 40%
- Queens Gambit: 8 games (15%), scores 38%
- Bogo Indian Defense: 6 games (11%), scores 50%
- Nimzo Indian Defense: 5 games (9%), scores 40%
- French Defense: 3 games (6%), scores 50%
- English Opening: 3 games (6%), scores 33%
- Kings Indian Attack: 3 games (6%), scores 67%
- Alapin Sicilian Defense: 2 games (4%), scores 75%