Player profile
Alfonso Jerez Perez
Dossier
7 of 7 games analyzed.
Accuracy: 93.4%
Opened e4: 3/4Opened Nf3: 1/4
Same-side castling: 6Castled kingside: 5Castled queenside: 1Did not castle: 1
Played in the center: 4Fianchettoed kingside: 4Played on the queenside: 3Fianchettoed queenside: 2Played on the kingside: 1
Active pieces: 6Kept the bishop pair: 5Backward pawn: 5Space advantage: 5Sacrificed material: 4Isolated pawn: 3Initiated exchanges: 2Avoided exchanges: 1Missed tactics: 1
Openings
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As White 4 games 2W 2D 0L
French Defense 1 game 0W 1D 0L
Tarrasch Variation 1 game 0W 1D 0L
Open System, Euwe-Keres Line
1 game
0W
1D
0L
English Opening 1 game 1W 0D 0L
Agincourt Defense 1 game 1W 0D 0L
Neo-Catalan Declined
1 game
1W
0D
0L
Sicilian Defense 1 game 0W 1D 0L
Alapin Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Alekhine Defense 1 game 1W 0D 0L
Exchange Variation 1 game 1W 0D 0L
Voronezh Variation
1 game
1W
0D
0L
As Black 3 games 1W 2D 0L
French Defense 1 game 0W 1D 0L
Chigorin Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Caro-Kann Defense 1 game 0W 1D 0L
Two Knights Attack 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Grünfeld Defense 1 game 1W 0D 0L
Three Knights Variation 1 game 1W 0D 0L
Paris Variation
1 game
1W
0D
0L
Blunders Top 4 of 20
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 |
|---|---|---|---|---|---|---|---|
| 2023.12.30 | Round 9: Alfonso Jerez Perez - Seraphina Bosc | 2023.12.30 Seraphina Bosc | ½ | 87.00% | 1. e4 e6 2. d4 d5 3. Nd2 c5 | ||
| 2023.12.29 | Round 8: Arthur Lucas - Alfonso Jerez Perez | 2023.12.29 Arthur Lucas | ½ | 94.40% | 1. e4 e6 2. Qe2 Nc6 3. b3 e5 | ||
| 2023.12.29 | Round 7: Alfonso Jerez Perez - Noah Sayah-Hobon | 2023.12.29 Noah Sayah-Hobon | 1 | 96.20% | 1. Nf3 Nf6 2. g3 e6 3. Bg2 Be7 | ||
| 2023.12.27 | Round 4: Patricia Llaneza Vega - Alfonso Jerez Perez | 2023.12.27 Patricia Llaneza Vega | ½ | 88.90% | 1. e4 c6 2. Nf3 d5 3. Nc3 dxe4 | ||
| 2023.12.27 | Round 3: Alfonso Jerez Perez - Matthias Laffonta | 2023.12.27 Matthias Laffonta | ½ | 97.40% | 1. e4 c5 2. c3 Nf6 3. e5 Nd5 | ||
| 2023.12.26 | Round 2: Paul Oumaziz - Alfonso Jerez Perez | 2023.12.26 Paul Oumaziz | 1 | 93.20% | 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 | ||
| 2023.12.26 | Round 1: Alfonso Jerez Perez - Anne-Sophie Finkel | 2023.12.26 Anne-Sophie Finkel | 1 | 96.40% | 1. e4 Nf6 2. e5 Nd5 3. d4 d6 |