Prepare against Calvin Nicholas Jacobs
ZAF · World #10,914 classical · FIDE ID 14333279
Our database contains 30 games by Calvin Nicholas Jacobs, covering Jun 2019 to Jul 2026. Below you'll find Calvin Nicholas Jacobs's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Calvin Nicholas Jacobs before a game. You can open the same data in the free interactive preparation workstation, which builds a move-by-move opening tree from every game.
Ratings
| Time control | Current | Peak | Peak date |
|---|---|---|---|
| Classical | 2,156 | 2,169 | Feb 2026 |
| Blitz | 1,961 | 1,961 | Jul 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 30 | 12 | 4 | 13 | 40.0% |
| As White | 15 | 6 | 2 | 7 | 40.0% |
| As Black | 15 | 6 | 2 | 6 | 40.0% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Calvin Nicholas Jacobs's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Calvin Nicholas Jacobs's side.
First moves as White (15 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 13 | 86.7% | 38.5% |
| b3 | 2 | 13.3% | 100.0% |
Main lines as White
- 1.e4 — 87% of White games, 38.5% score
- …c5 (46% of these games) — Jacobs usually continues d4 (16.7% score)
- …e5 (23% of these games) — Jacobs usually continues Nf3 (66.7% score)
- …c6 (15% of these games) — Jacobs usually continues d4 (50.0% score)
- 1.b3 — 13% of White games, 100.0% score
- …e5 (50% of these games) — Jacobs usually continues Bb2 (100.0% score)
- …d5 (50% of these games) — Jacobs usually continues Bb2 (100.0% score)
As Black against 1.e4 (11 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 11 | 100.0% | 45.5% |
As Black against 1.d4 (3 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 2 | 66.7% | 50.0% |
| f5 | 1 | 33.3% | 100.0% |
Calvin Nicholas Jacobs's chess games
All 30 games by Calvin Nicholas Jacobs in the Chess.ceo database (Jun 2019 - Jul 2026) are free to browse, search and replay: filter by opening, opponent, event or date on the player page, or step through any game on the analysis board. Record: 12 wins, 4 draws, 13 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B21 | Sicilian: Smith-Morra Gambit | 6 | 0/2/4 | 0.0% |
| A01 | Nimzovich-Larsen attack | 2 | 2/0/0 | 100.0% |
| C56 | Italian Game | 2 | 1/0/1 | 50.0% |
| B01 | Scandinavian Defense: Modern Variation | 1 | 1/0/0 | 100.0% |
| C50 | Scotch Game | 1 | 1/0/0 | 100.0% |
| B01 | Scandinavian Defense: Main Line | 1 | 0/0/1 | 0.0% |
| B12 | Caro-Kann: Fantasy Variation | 1 | 1/0/0 | 100.0% |
| B13 | Caro-Kann: Exchange Variation | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B84 | Sicilian: Najdorf | 5 | 3/0/2 | 60.0% |
| B44 | Sicilian | 3 | 0/1/2 | 0.0% |
| D35 | Indian Defense | 1 | 0/0/1 | 0.0% |
| D34 | Queen's Gambit Declined | 1 | 1/0/0 | 100.0% |
| B22 | Sicilian: Alapin | 1 | 0/0/0 | 0.0% |
| B23 | Sicilian: Closed | 1 | 0/0/1 | 0.0% |
| A88 | Dutch Defense | 1 | 1/0/0 | 100.0% |
| B81 | Sicilian: Scheveningen | 1 | 1/0/0 | 100.0% |
| A25 | English Opening: Dutch Defense | 1 | 0/1/0 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Sep 2024 | Providence Oatlhotse | 2,239 | Kimberley Extravaganza Open | B12 |
| Jun 2024 | Thuto Mpene | 1,975 | ch-Africa U16 | A88 |
| Sep 2024 | Edward Potgieter | 1,934 | Kimberley Extravaganza Open | B81 |
| Jun 2024 | Liam Baruch | 1,857 | ch-Africa U16 | A06 |
| Jun 2024 | Weilun Yan | 1,676 | ch-Africa U16 | A01 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| World Cup U12 Prel | 2021 | 10 | 5 | 1,565 |
| Kimberley Extravaganza Open | 2024 | 7 | 3 | 1,988 |
| ch-Africa U16 | 2024 | 6 | 4 | 1,996 |
| Wch FIDE Online U12 Africa Qual | 2020 | 6 | 2 | 1,356 |
| ch-Africa U14 | 2024 | 1 | 0 | 1,878 |
Interactive opening tree from all 30 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Calvin Nicholas Jacobs's chess games?
30 games by Calvin Nicholas Jacobs, from Jun 2019 to Jul 2026, are free to browse and replay move by move — no signup needed. The preparation view groups them into an opening tree showing every line Calvin Nicholas Jacobs has played.
What does Calvin Nicholas Jacobs play on the first move as White?
Across 15 games with White in our database, Calvin Nicholas Jacobs opens with 1.e4 (87% of games), 1.b3 (13% of games). Against 1.e4 as Black, Calvin Nicholas Jacobs answers 1...c5 (100% of games). Against 1.d4: 1...d5 (67% of games), 1...f5 (33% of games).
What openings does Calvin Nicholas Jacobs play as White?
As White, Calvin Nicholas Jacobs's most-played openings in our database are: Sicilian: Smith-Morra Gambit (6 games, 0.0% win rate); Nimzovich-Larsen attack (2 games, 100.0% win rate); Italian Game (2 games, 50.0% win rate). The full breakdown of 15 games with White is in the table above.
What openings does Calvin Nicholas Jacobs play as Black?
As Black, Calvin Nicholas Jacobs most often plays: Sicilian: Najdorf (5 games, 60.0% win rate); Sicilian (3 games, 0.0% win rate); Indian Defense (1 games, 0.0% win rate). See the table above for the top ten Black openings across 15 games.
What is Calvin Nicholas Jacobs's FIDE rating?
Calvin Nicholas Jacobs is currently rated 2,156 in classical chess and 1,961 in blitz. Peak classical rating: 2,169 (Feb 2026).
How many games has Calvin Nicholas Jacobs played?
Our database contains 30 games by Calvin Nicholas Jacobs, covering Jun 2019 to Jul 2026. Overall record: 12 wins, 4 draws, 13 losses (40.0% win rate).
How do I prepare against Calvin Nicholas Jacobs?
30 games by Calvin Nicholas Jacobs reveal their opening repertoire, most-played lines, and the variations where they score worst — the raw material for targeted preparation. The interactive opening tree lets you walk every line to any depth.