Prepare against Boris Vergara Castillo
CHL · World #80,249 classical · FIDE ID 3401995
When preparing against Boris Vergara Castillo, expect 1.d4 in 91% of White games. Against 1.e4 the reply is 1...e6 (43% of games); against 1.d4, 1...d5 (70%). Lowest win rate among frequent openings: King's Indian Defense: Orthodox Variation as White, 40.0% over 15 games.
Our database contains 144 games by Boris Vergara Castillo, covering Apr 2003 to Aug 2026. Below you'll find Boris Vergara Castillo's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Boris Vergara Castillo 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 | 1,788 | 2,131 | Jul 2003 |
| Rapid | 1,953 | 1,962 | Aug 2024 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 144 | 48 | 29 | 67 | 33.3% |
| As White | 74 | 26 | 19 | 29 | 35.1% |
| As Black | 70 | 22 | 10 | 38 | 31.4% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Boris Vergara Castillo's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Boris Vergara Castillo's side.
First moves as White (74 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 67 | 90.5% | 48.5% |
| e4 | 5 | 6.8% | 50.0% |
| c4 | 2 | 2.7% | 25.0% |
Main lines as White
- 1.d4 — 91% of White games, 48.5% score
- …Nf6 (60% of these games) — Castillo usually continues c4 (50.0% score)
- …d5 (25% of these games) — Castillo usually continues c4 (41.2% score)
- …c6 (6% of these games) — Castillo usually continues c4 (50.0% score)
- 1.e4 — 7% of White games, 50.0% score
- …c5 (40% of these games) — Castillo usually continues Nf3 (0.0% score)
- …d5 (20% of these games) — Castillo usually continues exd5 (100.0% score)
- …e5 (20% of these games) — Castillo usually continues Nf3 (50.0% score)
As Black against 1.e4 (35 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e6 | 15 | 42.9% | 33.3% |
| e5 | 14 | 40.0% | 32.1% |
| c5 | 6 | 17.1% | 83.3% |
As Black against 1.d4 (30 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 21 | 70.0% | 33.3% |
| Nf6 | 9 | 30.0% | 38.9% |
Boris Vergara Castillo's chess games
All 144 games by Boris Vergara Castillo in the Chess.ceo database (Apr 2003 - Aug 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: 48 wins, 29 draws, 67 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| E99 | King's Indian Defense: Orthodox Variation | 15 | 6/2/7 | 40.0% |
| D45 | Slav Defense | 12 | 2/4/6 | 16.7% |
| A43 | Benoni Defense | 8 | 2/1/5 | 25.0% |
| E32 | Nimzo-Indian: Classical Variation | 5 | 0/1/4 | 0.0% |
| D85 | Grünfeld Defense | 4 | 2/1/1 | 50.0% |
| E43 | Nimzo-Indian: Rubinstein System | 3 | 2/1/0 | 66.7% |
| E92 | King's Indian Defense: Petrosian Variation | 3 | 3/0/0 | 100.0% |
| D63 | Indian Defense | 3 | 2/1/0 | 66.7% |
| D06 | Queen's Gambit | 2 | 0/1/1 | 0.0% |
| D58 | Queen's Gambit Declined: Orthodox Defense | 2 | 1/1/0 | 50.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D10 | Slav Defense | 10 | 4/2/4 | 40.0% |
| A08 | King's Indian Attack | 5 | 2/0/3 | 40.0% |
| C54 | Italian Game | 5 | 0/1/4 | 0.0% |
| B43 | Sicilian | 5 | 4/0/1 | 80.0% |
| C00 | French Defense | 4 | 2/0/2 | 50.0% |
| E09 | Catalan | 3 | 0/1/2 | 0.0% |
| D32 | Queen's Gambit Declined | 3 | 0/1/2 | 0.0% |
| D02 | Indian Defense | 3 | 0/1/2 | 0.0% |
| C02 | French: Advance Variation | 2 | 0/1/1 | 0.0% |
| D02 | London System | 2 | 0/0/2 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Mar 2009 | Jose Luis Carmona Rosales | 2,191 | Santiago Endesa 05 | C00 |
| Jun 2010 | Diego Abiuso | 2,065 | Santiago Endesa 08 | E95 |
| Jan 2026 | Walter Cuevas Araya | 2,036 | I Chess Open Santiago 2026 | E92 |
| Aug 2015 | Sebastian Donoso Diaz | 2,026 | 2nd Santiago Club Chile | D58 |
| Jun 2010 | Aldo Castiglione Alencastre | 1,997 | Santiago Endesa 08 | E52 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Santiago Endesa Interempresas Team Tournament B | 2010 | 17 | 3.5 | 1,800 |
| Santiago Endesa 05 | 2009 | 10 | 7.5 | 2,196 |
| Santiago Endesa 16 | 2008 | 10 | 4 | 2,088 |
| Santiago Endesa Interempresas Open | 2008 | 9 | 4 | 1,985 |
| Santiago Endesa Classification | 2010 | 8 | 3 | 1,865 |
| 09th IBCA-ol blind | 1992 | 8 | 5 | 2,352 |
| IRT Campeón de Chile GM Rodrigo Vásquez - Club de Ajedrez CHILE | 2026 | 8 | 4 | 1,894 |
| Santiago Endesa 04 | 2010 | 8 | 2.5 | 1,850 |
Interactive opening tree from all 144 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Boris Vergara Castillo's chess games?
144 games by Boris Vergara Castillo, from Apr 2003 to Aug 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 Boris Vergara Castillo has played.
What does Boris Vergara Castillo play on the first move as White?
Across 74 games with White in our database, Boris Vergara Castillo opens with 1.d4 (91% of games), 1.e4 (7% of games), 1.c4 (3% of games). Against 1.e4 as Black, Boris Vergara Castillo answers 1...e6 (43% of games), 1...e5 (40% of games), 1...c5 (17% of games). Against 1.d4: 1...d5 (70% of games), 1...Nf6 (30% of games).
What openings does Boris Vergara Castillo play as White?
As White, Boris Vergara Castillo's most-played openings in our database are: King's Indian Defense: Orthodox Variation (15 games, 40.0% win rate); Slav Defense (12 games, 16.7% win rate); Benoni Defense (8 games, 25.0% win rate). The full breakdown of 74 games with White is in the table above.
What openings does Boris Vergara Castillo play as Black?
As Black, Boris Vergara Castillo most often plays: Slav Defense (10 games, 40.0% win rate); King's Indian Attack (5 games, 40.0% win rate); Italian Game (5 games, 0.0% win rate). See the table above for the top ten Black openings across 70 games.
What is Boris Vergara Castillo's FIDE rating?
Boris Vergara Castillo is currently rated 1,788 in classical chess, 1,953 in rapid. Peak classical rating: 2,131 (Jul 2003).
How many games has Boris Vergara Castillo played?
Our database contains 144 games by Boris Vergara Castillo, covering Apr 2003 to Aug 2026. Overall record: 48 wins, 29 draws, 67 losses (33.3% win rate).
How do I prepare against Boris Vergara Castillo?
144 games by Boris Vergara Castillo 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.