FMWilliam Alfaro
NCA · FIDE ID 6100457 · 156 tournament games since 2021
Standard
2056
#17 in NCA (active)
Rapid
2068
#8 in NCA (active)
Blitz
2074
#9 in NCA (active)
Score
56%
66 W · 44 D · 46 L
Opp. avg
2009
Last 50 games
Last game
2026-08-07
Campeonato Nacional e Internacional Aguascalientes 2026 | Expertos
Prep summary
- As White: 1.d4 in 81% of games (scores 61%).
- Against 1.e4: 1...c5 in 31 of 32 games (Sicilian Defense), scoring 53%.
- Against 1.d4: 1...Nf6 in 29 of 32 games (Indian Defense), scoring 50%.
- By opponent strength: 15% against higher-rated players, 79% against lower-rated.
Based on 156 over-the-board games (19 classical · 9 blitz · 3 rapid). 77 with White (60%), 79 with Black (53%).
Openings as White
First move
| 1.d4 | 62 | 61% |
| 1.Nf3 | 8 | 75% |
| 1.e4 | 7 | 36% |
Most played
| Opening | Games | Score |
|---|---|---|
| King's Indian Defense: Fianchetto Variation, Yugoslav System | 2 | 100% |
| Neo-Grünfeld Defense: Delayed Exchange Variation | 2 | 100% |
| Slav Defense: Three Knights Variation | 2 | 100% |
| Catalan Opening: Closed | 2 | 75% |
| Queen's Gambit Declined | 2 | 50% |
Openings as Black
Against 1.e4 (32 games)
| 1...c5 Sicilian Defense | 31 | 53% |
| 1...e6 French Defense | 1 | 50% |
Against 1.d4 (32 games)
| 1...Nf6 Indian Defense | 29 | 50% |
| 1...c5 Benoni Defense | 1 | 100% |
| 1...g6 Queen's Pawn Game | 1 | 100% |
Most played
| Opening | Games | Score |
|---|---|---|
| Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | 7 | 50% |
| Benko Gambit Accepted: Fully Accepted Variation | 4 | 63% |
| East Indian Defense | 4 | 100% |
| Sicilian Defense: Accelerated Dragon, Maróczy Bind | 4 | 50% |
| English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation | 3 | 50% |
Recent games
| Date | Opponent and event | Result |
|---|---|---|
| 2026-08-07 | Alejandro Bustamante Cruz (1982) Campeonato Nacional e Internacional Aguascalientes 2026 | Expertos · classical | W |
| 2026-08-06 | Miguel Angel Ramirez Padilla (1919) Campeonato Nacional e Internacional Aguascalientes 2026 | Expertos · classical | W |
| 2026-08-06 | Pablo Javier Zuniga Samano (1870) Campeonato Nacional e Internacional Aguascalientes 2026 | Expertos · classical | ½ |
| 2026-06-10 | Ghisell Morales Perez (1939) XIX American Continental Chess Championship 2026 | Standard | W |
| 2026-06-09 | Lily Jeanette Duarte Cramer (1949) XIX American Continental Chess Championship 2026 | Standard | ½ |
| 2026-06-08 | Vaibhav Bedi (1920) XIX American Continental Chess Championship 2026 | Standard | W |
| 2026-06-08 | Michel Alejandro Diaz Perez (2362) XIX American Continental Chess Championship 2026 | Blitz | L |
| 2026-06-08 | Vaibhav Bedi (1858) XIX American Continental Chess Championship 2026 | Blitz | W |
| 2026-06-08 | Lily Jeanette Duarte Cramer (1909) XIX American Continental Chess Championship 2026 | Blitz | L |
| 2026-06-08 | Victor Manuel Montiel Sanchez (1877) XIX American Continental Chess Championship 2026 | Blitz | W |
Data: FIDE rating list (October 2026 list; national ranks count active players) and tournament games broadcast on Lichess since 2020 (open data, CC0). Results are matched to FIDE players by name or FIDE ID and may be incomplete. This page shows public chess results only. Is this you and you want the page removed? Email chessmoose1@gmail.com and we remove it.