Prepare against William Sanchez Ospina
Colombia · World #133,426 classical · FIDE ID 4416562
When preparing against William Sanchez Ospina, expect 1.d4 in 83% of White games. Against 1.e4 the reply is 1...d6 (49% of games); against 1.d4, 1...d5 (41%). Lowest win rate among frequent openings: Modern Defense as Black, 25.0% over 16 games.
Our database contains 143 games by William Sanchez Ospina, covering May 2014 to Aug 2026. Below you'll find William Sanchez Ospina's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout William Sanchez Ospina 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 | 1,637 | 1,664 | Oct 2024 |
| Rapid | 1,692 | 1,692 | Aug 2026 |
| Blitz | 1,637 | 1,683 | Jan 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 143 | 50 | 14 | 79 | 35.0% |
| As White | 72 | 29 | 6 | 37 | 40.3% |
| As Black | 71 | 21 | 8 | 42 | 29.6% |
Move-by-move preparation stats
Straight from the preparation tree built over all of William Sanchez Ospina's games — the same tree the interactive prep board lets you walk to any depth. Scores are from William Sanchez Ospina's side.
First moves as White (72 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 60 | 83.3% | 42.5% |
| c4 | 8 | 11.1% | 50.0% |
| Nf3 | 3 | 4.2% | 50.0% |
| g3 | 1 | 1.4% | 100.0% |
Main lines as White
- 1.d4 — 83% of White games, 42.5% score
- …Nf6 (48% of these games) — Ospina usually continues Bf4 (28.1% score)
- …d5 (38% of these games) — Ospina usually continues Bf4 (55.0% score)
- …g6 (7% of these games) — Ospina usually continues Bf4 (50.0% score)
- 1.c4 — 11% of White games, 50.0% score
- …e5 (38% of these games) — Ospina usually continues Nc3 (0.0% score)
- …c6 (25% of these games) — Ospina usually continues g3 (100.0% score)
- …c5 (13% of these games) — Ospina usually continues Nc3 (0.0% score)
As Black against 1.e4 (45 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d6 | 22 | 48.9% | 29.5% |
| g6 | 12 | 26.7% | 37.5% |
| e5 | 10 | 22.2% | 35.0% |
| c5 | 1 | 2.2% | 100.0% |
As Black against 1.d4 (17 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 7 | 41.2% | 35.7% |
| Nf6 | 4 | 23.5% | 12.5% |
| g6 | 3 | 17.6% | 33.3% |
| f5 | 1 | 5.9% | 50.0% |
| e6 | 1 | 5.9% | 100.0% |
| d6 | 1 | 5.9% | 0.0% |
William Sanchez Ospina's chess games
All 143 games by William Sanchez Ospina in the Chess.ceo database (May 2014 - 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: 50 wins, 14 draws, 79 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D02 | London System | 23 | 9/2/12 | 39.1% |
| A47 | Indian Defense | 12 | 2/1/9 | 16.7% |
| D02 | Queen's Pawn Game | 5 | 1/0/4 | 20.0% |
| A23 | English Opening: Reverse Sicilian | 4 | 2/0/2 | 50.0% |
| A40 | Modern Defense | 4 | 2/0/2 | 50.0% |
| D06 | Queen's Gambit | 3 | 2/1/0 | 66.7% |
| A12 | English Opening | 3 | 2/0/1 | 66.7% |
| A12 | English Opening: Slav Setup | 2 | 1/0/1 | 50.0% |
| A03 | Colle System | 2 | 1/0/1 | 50.0% |
| D94 | King's Indian Defense | 2 | 1/0/1 | 50.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B07 | Pirc Defense | 21 | 6/1/14 | 28.6% |
| B06 | Modern Defense | 16 | 4/3/9 | 25.0% |
| D10 | Slav Defense | 3 | 0/0/3 | 0.0% |
| D31 | Queen's Gambit Declined | 2 | 1/1/0 | 50.0% |
| C64 | Ruy Lopez: Classical | 2 | 0/0/2 | 0.0% |
| A01 | Nimzovich-Larsen attack | 2 | 1/0/1 | 50.0% |
| C88 | Ruy Lopez: Closed | 2 | 1/0/1 | 50.0% |
| A85 | Horwitz Defense | 1 | 1/0/0 | 100.0% |
| D94 | Grünfeld Defense | 1 | 0/1/0 | 0.0% |
| A90 | Dutch Defense | 1 | 0/1/0 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jan 2010 | Gustavo Rojas | 1,999 | 22nd Manizales Open | D07 |
| Mar 2014 | Vladimir Andrey Ossa Quintero | 1,974 | Medellin de Segunda Cat. Antioquia | C44 |
| Oct 2010 | Efrain Hoyos Campuzano | 1,957 | ch-COL Seniors | A40 |
| May 2022 | Fredy Betancur | 1,937 | Medellin U2000 Open | A45 |
| Mar 2014 | Roberto Bustamante | 1,904 | Medellin de Segunda Cat. Antioquia | D74 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-COL Seniors | 2010 | 10 | 5 | 1,838 |
| COL Subzt 2.3.4 | 2021 | 9 | 2.5 | 1,394 |
| Medellin U2000 Open | 2022 | 9 | 4 | 1,643 |
| ch-COL U1700 | 2022 | 9 | 4 | 1,450 |
| Medellin Raza Cup | 2022 | 9 | 1 | 1,292 |
| Manizales Las Americas Open C | 2021 | 8 | 2.5 | 1,293 |
| ch-COL sf | 2014 | 7 | 2 | 1,586 |
| 10th Medellin Easter Open | 2022 | 7 | 3.5 | 1,548 |
Interactive opening tree from all 143 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find William Sanchez Ospina's chess games?
143 games by William Sanchez Ospina, from May 2014 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 William Sanchez Ospina has played.
What does William Sanchez Ospina play on the first move as White?
Across 72 games with White in our database, William Sanchez Ospina opens with 1.d4 (83% of games), 1.c4 (11% of games), 1.Nf3 (4% of games). Against 1.e4 as Black, William Sanchez Ospina answers 1...d6 (49% of games), 1...g6 (27% of games), 1...e5 (22% of games). Against 1.d4: 1...d5 (41% of games), 1...Nf6 (24% of games), 1...g6 (18% of games).
What openings does William Sanchez Ospina play as White?
As White, William Sanchez Ospina's most-played openings in our database are: London System (23 games, 39.1% win rate); Indian Defense (12 games, 16.7% win rate); Queen's Pawn Game (5 games, 20.0% win rate). The full breakdown of 72 games with White is in the table above.
What openings does William Sanchez Ospina play as Black?
As Black, William Sanchez Ospina most often plays: Pirc Defense (21 games, 28.6% win rate); Modern Defense (16 games, 25.0% win rate); Slav Defense (3 games, 0.0% win rate). See the table above for the top ten Black openings across 71 games.
What is William Sanchez Ospina's FIDE rating?
William Sanchez Ospina is currently rated 1,637 in classical chess, 1,692 in rapid and 1,637 in blitz. Peak classical rating: 1,664 (Oct 2024).
How many games has William Sanchez Ospina played?
Our database contains 143 games by William Sanchez Ospina, covering May 2014 to Aug 2026. Overall record: 50 wins, 14 draws, 79 losses (35.0% win rate).
How do I prepare against William Sanchez Ospina?
143 games by William Sanchez Ospina 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.