Player profile
Jeffrey Alfonso Diaz
Dossier
6 of 7 games analyzed.
Accuracy: 58.6%
Opened e4: 3/3
Castled kingside: 4Same-side castling: 4Castled queenside: 2Opposite-side castling: 1
Played in the center: 2Fianchettoed queenside: 1
Active pieces: 5Sacrificed material: 5Kept the bishop pair: 4Initiated exchanges: 4Missed tactics: 4Isolated pawn: 4Space advantage: 2Avoided exchanges: 2Backward pawn: 1Played gambits: 1
Openings
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As White 3 games 2W 0D 1L
Scandinavian Defense 1 game 1W 0D 0L
Mieses-Kotroc Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Caro-Kann Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Three Knights Opening 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
As Black 4 games 2W 0D 1L
Vienna Game 1 game 0W 0D 0L
Anderssen Defense 1 game 0W 0D 0L
(unspecified)
1 game
0W
0D
0L
Mikenas Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Italian Game 1 game 0W 0D 1L
Giuoco Pianissimo 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Ruy Lopez 1 game 1W 0D 0L
Berlin Defense 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Blunders Top 4 of 45
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 7 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.09.08 | Round 7: Ramirez Mejia, Jose Gregorio - Jeffrey Alfonso Diaz | 7.4 | 2026.09.08 Ramirez Mejia, Jose Gregorio (144437455) (1686) | * | - | 1. e4 e5 2. Nc3 Bc5 3. Bc4 Bf8 | |
| 2026.09.08 | Round 6: David Alejandro Fajardo Mendez - Jeffrey Alfonso Diaz | 6.5 | 2026.09.08 David Alejandro Fajardo Mendez | 1 | 60.40% | 1. d4 Nc6 2. c3 d6 3. e3 e6 | |
| 2026.09.08 | Round 5: Jeffrey Alfonso Diaz - Jonnatan Samuel Gomez Agaton | 5.7 | 2026.09.08 Jonnatan Samuel Gomez Agaton | 1 | 59.70% | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd4 | |
| 2026.09.08 | Round 4: Mathas Herrera Ocampo - Jeffrey Alfonso Diaz | 4.4 | 2026.09.08 Mathas Herrera Ocampo | 0 | 74.50% | 1. e4 e5 2. Bc4 Nc6 3. Nf3 Bc5 | |
| 2026.09.07 | Round 3: Jeffrey Alfonso Diaz - Verdugo Silva, Felipe | 3.2 | 2026.09.07 Verdugo Silva, Felipe (144453264) (1625) | 0 | 81.90% | 1. e4 c6 2. Nf3 d5 3. e5 Bg4 | |
| 2026.09.07 | Round 2: Leandro Stiven Urrea Echenique - Jeffrey Alfonso Diaz | 2.5 | 2026.09.07 Leandro Stiven Urrea Echenique | 1 | 36.90% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 | |
| 2026.09.07 | Round 1: Jeffrey Alfonso Diaz - Alejandro Maldonado Pulido | 1.5 | 2026.09.07 Alejandro Maldonado Pulido | 1 | 38.10% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 f6 |