Prepare against Zachary Calderon
United States · World #18,375 classical · FIDE ID 2076969
When preparing against Zachary Calderon, expect 1.d4 in 78% of White games. Against 1.e4 the reply is 1...e6 (57% of games); against 1.d4, 1...d5 (77%). Lowest win rate among frequent openings: Indian Defense as White, 27.3% over 22 games.
Our database contains 251 games by Zachary Calderon, covering Oct 2019 to Oct 2026. Below you'll find Zachary Calderon's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Zachary Calderon 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 | 2,072 | 2,147 | Jul 2021 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 251 | 64 | 25 | 162 | 25.5% |
| As White | 124 | 31 | 14 | 79 | 25.0% |
| As Black | 127 | 33 | 11 | 83 | 26.0% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Zachary Calderon's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Zachary Calderon's side.
First moves as White (124 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 97 | 78.2% | 28.9% |
| Nf3 | 24 | 19.4% | 31.3% |
| b3 | 2 | 1.6% | 75.0% |
| e4 | 1 | 0.8% | 100.0% |
Main lines as White
- 1.d4 — 78% of White games, 28.9% score
- …Nf6 (53% of these games) — Calderon usually continues Nf3 (30.3% score)
- …d5 (25% of these games) — Calderon usually continues Bf4 (26.5% score)
- …e6 (8% of these games) — Calderon usually continues Nf3 (21.4% score)
- 1.Nf3 — 19% of White games, 31.3% score
- …d5 (38% of these games) — Calderon usually continues d4 (37.5% score)
- …Nf6 (38% of these games) — Calderon usually continues c4 (22.2% score)
- …b6 (8% of these games) — Calderon usually continues c4 (50.0% score)
As Black against 1.e4 (60 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e6 | 34 | 56.7% | 39.7% |
| d5 | 14 | 23.3% | 32.1% |
| c5 | 8 | 13.3% | 25.0% |
| g6 | 2 | 3.3% | 0.0% |
| b6 | 1 | 1.7% | 100.0% |
| e5 | 1 | 1.7% | 100.0% |
As Black against 1.d4 (47 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 36 | 76.6% | 33.3% |
| Nf6 | 6 | 12.8% | 8.3% |
| e6 | 5 | 10.6% | 10.0% |
Zachary Calderon's chess games
All 251 games by Zachary Calderon in the Chess.ceo database (Oct 2019 - Oct 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: 64 wins, 25 draws, 162 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D02 | London System | 41 | 13/2/26 | 31.7% |
| A46 | Indian Defense | 22 | 6/1/15 | 27.3% |
| A49 | King's Indian Defense: Fianchetto Variation | 12 | 2/4/6 | 16.7% |
| A31 | English Opening | 9 | 1/0/8 | 11.1% |
| A40 | Horwitz Defense | 5 | 0/1/4 | 0.0% |
| A09 | Réti Opening | 4 | 1/1/2 | 25.0% |
| E05 | Catalan | 4 | 1/1/2 | 25.0% |
| D00 | Queen's Pawn Game | 4 | 1/0/3 | 25.0% |
| A80 | Dutch Defense | 3 | 1/0/2 | 33.3% |
| A40 | Modern Defense | 3 | 0/0/3 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B01 | Scandinavian Defense: Main Line | 13 | 4/1/8 | 30.8% |
| C10 | French Defense | 12 | 4/1/7 | 33.3% |
| D31 | Queen's Gambit Declined | 11 | 1/2/8 | 9.1% |
| D25 | Queen's Gambit Accepted | 11 | 3/2/6 | 27.3% |
| D02 | Queen's Pawn Game | 8 | 1/1/6 | 12.5% |
| A04 | Réti Opening | 8 | 1/0/7 | 12.5% |
| C03 | French: Tarrasch Variation | 7 | 1/1/5 | 14.3% |
| B42 | Sicilian | 7 | 2/0/5 | 28.6% |
| C02 | French: Advance Variation | 6 | 2/1/3 | 33.3% |
| C15 | French: Winawer Variation | 6 | 3/0/3 | 50.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Aug 2021 | Leonid Sokolin | 2,482 | Titled Tue | E05 |
| Dec 2024 | Kirill Kozionov | 2,449 | Titled Tue Early | C02 |
| Jan 2025 | Eelke De Boer | 2,428 | Titled Tue Early | C02 |
| Dec 2024 | Niklas Schmider | 2,393 | Titled Tue Early | D02 |
| Nov 2024 | Matthew Herman | 2,383 | Titled Tue Late | A46 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Titled Tuesday | 2026 | 245 | 72 | 2,047 |
| ch-New York State 138th | 2016 | 3 | 2.5 | 2,255 |
| Guilderland Open | 2003 | 2 | 1 | 750 |
| ch-New York State 133rd | 2011 | 1 | 1 | – |
Interactive opening tree from all 251 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Zachary Calderon's chess games?
251 games by Zachary Calderon, from Oct 2019 to Oct 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 Zachary Calderon has played.
What does Zachary Calderon play on the first move as White?
Across 124 games with White in our database, Zachary Calderon opens with 1.d4 (78% of games), 1.Nf3 (19% of games), 1.b3 (2% of games). Against 1.e4 as Black, Zachary Calderon answers 1...e6 (57% of games), 1...d5 (23% of games), 1...c5 (13% of games). Against 1.d4: 1...d5 (77% of games), 1...Nf6 (13% of games), 1...e6 (11% of games).
What openings does Zachary Calderon play as White?
As White, Zachary Calderon's most-played openings in our database are: London System (41 games, 31.7% win rate); Indian Defense (22 games, 27.3% win rate); King's Indian Defense: Fianchetto Variation (12 games, 16.7% win rate). The full breakdown of 124 games with White is in the table above.
What openings does Zachary Calderon play as Black?
As Black, Zachary Calderon most often plays: Scandinavian Defense: Main Line (13 games, 30.8% win rate); French Defense (12 games, 33.3% win rate); Queen's Gambit Declined (11 games, 9.1% win rate). See the table above for the top ten Black openings across 127 games.
What is Zachary Calderon's FIDE rating?
Zachary Calderon is currently rated 2,072 in classical chess. Peak classical rating: 2,147 (Jul 2021).
How many games has Zachary Calderon played?
Our database contains 251 games by Zachary Calderon, covering Oct 2019 to Oct 2026. Overall record: 64 wins, 25 draws, 162 losses (25.5% win rate).
How do I prepare against Zachary Calderon?
251 games by Zachary Calderon 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.