Jacob Bernstein
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Pasadena | ??/??/1932 | 0 | United States |
| New York Metropolitan tt | ??/??/1925 | 0 | United States |
| New York Metropolitan tt | ??/??/1924 | 0 | United States |
| New York Metropolitan tt | ??/??/1923 | 0 | United States |
Most Played Openings as White
| ECO | Opening | Games |
| C49 | Four knights, double Ruy Lopez | 3 games |
| D51 | Queen's Gambit Declined, 4.Bg5 Nbd7 | 2 games |
| D26 | Queen's Gambit Accepted, 4...e6 | 2 games |
| D55 | Queen's Gambit Declined, 6.Nf3 | 2 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C49 | Four knights, double Ruy Lopez | 3 games |
| C90 | Ruy Lopez, closed (with ...d6) | 2 games |
| D05 | Queen's pawn game | 2 games |
| C77 | Ruy Lopez, Morphy defence | 2 games |


United States