Player profile
Chacon Ferra, Efrain
Dossier
8 of 8 games analyzed.
Accuracy: 89.8%
Opened e4: 2/2
Castled kingside: 3Same-side castling: 3
Fianchettoed queenside: 2Played on the queenside: 2Fianchettoed kingside: 1
Active pieces: 3Backward pawn: 2Initiated exchanges: 2Avoided exchanges: 1Space advantage: 1Sacrificed material: 1Isolated pawn: 1
Openings
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As White 2 games 0W 0D 2L
Ruy Lopez 2 games 0W 0D 2L
Closed 2 games 0W 0D 2L
Delayed Exchange
1 game
0W
0D
1L
Breyer Defense, Zaitsev Hybrid
1 game
0W
0D
1L
As Black 1 game 0W 0D 1L
Indian Defense 1 game 0W 0D 1L
Spielmann-Indian 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Blunders Top 4 of 40
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 8 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2025.11.01 | Round 5: Chacon Ferra, Efrain - Fogo Esquivel, Levi Kalani Alexander | 5.8 | 2025.11.01 Fogo Esquivel, Levi Kalani Alexander (5183189) (2100) | 0 | 87.40% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2024.11.02 | Ronda 5: Chacon Ferra, Efrain - Arreguin Hernandez, Alan Guillermo | 5.7 | 2024.11.02 Arreguin Hernandez, Alan Guillermo (5108349) (2176) | 0 | 91.20% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2024.10.31 | Ronda 2: Gonzalez Zamora, Juan Carlos - Chacon Ferra, Efrain | 2.4 | 2024.10.31 Gonzalez Zamora, Juan Carlos (3507548) (2476) | 0 | 90.90% | 1. d4 Nf6 2. Nf3 c5 3. e3 g6 | |
| 2023.10.29 | Round 7: Tania Miranda Rodriguez - Efrain Chacon Ferra | 2023.10.29 Tania Miranda Rodriguez (2128) | * | 90.40% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | ||
| 2023.10.28 | Round 5: Alfonso Rascon Vega - Efrain Chacon Ferra | 2023.10.28 Alfonso Rascon Vega (2152) | 0 | 77.10% | 1. d4 Nf6 2. c4 g6 3. g3 Bg7 | ||
| 2023.10.27 | Round 4: Efrain Chacon Ferra - Gonzalez Isbraham Yair Quinonez | 2023.10.27 Gonzalez Isbraham Yair Quinonez | * | 97.30% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | ||
| 2023.10.27 | Round 3: Felipe Lopez Rusch - Efrain Chacon Ferra | 2023.10.27 Felipe Lopez Rusch (1605) | * | 58.50% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | ||
| 2023.10.26 | Round 2: Efrain Chacon Ferra - Jose Fernando Cuenca Jimenez | 2023.10.26 Jose Fernando Cuenca Jimenez (2529) | * | 84.50% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 |