Player profile
Pumachaico Valdiviezo, Piero Alonso
Dossier
24 of 33 games analyzed.
Accuracy: 89.2%
Opened d4: 10/11Opened b3: 1/11
Castled kingside: 16Same-side castling: 13Did not castle: 4Opposite-side castling: 4Castled queenside: 4
Played on the queenside: 8Played in the center: 7Played on the kingside: 6Fianchettoed queenside: 5Fianchettoed kingside: 2
Initiated exchanges: 19Active pieces: 18Sacrificed material: 14Kept the bishop pair: 13Isolated pawn: 12Backward pawn: 11Missed tactics: 10Space advantage: 9Played gambits: 2Avoided exchanges: 2
Openings
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As White 14 games 4W 2D 4L
King's Indian Defense 3 games 0W 1D 1L
Fianchetto Variation 3 games 0W 1D 1L
Carlsbad Variation
1 game
0W
1D
0L
(unspecified)
1 game
0W
0D
1L
Lesser Simagin (Spassky)
1 game
0W
0D
0L
Queen's Gambit Declined 2 games 1W 0D 0L
Exchange Variation 2 games 1W 0D 0L
Positional Variation
2 games
1W
0D
0L
Indian Defense 2 games 1W 0D 1L
Accelerated London System 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Budapest Gambit Accepted 1 game 1W 0D 0L
Main Line, Adler Variation
1 game
1W
0D
0L
Nimzo-Larsen Attack 1 game 0W 0D 1L
Classical Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Queen's Gambit Accepted 1 game 0W 0D 0L
Gunsberg Defense 1 game 0W 0D 0L
(unspecified)
1 game
0W
0D
0L
Tarrasch Defense 1 game 0W 0D 0L
Schara Gambit 1 game 0W 0D 0L
(unspecified)
1 game
0W
0D
0L
Trompowsky Attack 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Benko Gambit Accepted 1 game 0W 0D 1L
Fully Accepted Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Rat Defense 1 game 1W 0D 0L
English Rat 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
London System 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
As Black 19 games 9W 2D 6L
Caro-Kann Defense 7 games 4W 1D 2L
Advance Variation 3 games 1W 1D 1L
Tal Variation
2 games
0W
1D
1L
Short Variation
1 game
1W
0D
0L
Endgame Offer 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Karpov Variation 1 game 1W 0D 0L
Modern Variation
1 game
1W
0D
0L
Panov Attack 1 game 1W 0D 0L
Modern Defense, Mieses Line
1 game
1W
0D
0L
Exchange Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
French Defense 4 games 1W 0D 3L
Exchange Variation 2 games 1W 0D 1L
Monte Carlo Variation
1 game
0W
0D
1L
(unspecified)
1 game
1W
0D
0L
Steinitz Variation 1 game 0W 0D 1L
Boleslavsky Variation
1 game
0W
0D
1L
Diemer-Duhm Gambit Accepted 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Benko Gambit Accepted 2 games 1W 0D 0L
Fully Accepted Variation 2 games 1W 0D 0L
(unspecified)
2 games
1W
0D
0L
English Opening 2 games 0W 1D 1L
Agincourt Defense 2 games 0W 1D 1L
(unspecified)
1 game
0W
1D
0L
Catalan Defense Accepted
1 game
0W
0D
1L
Indian Defense 1 game 0W 0D 0L
Knights Variation 1 game 0W 0D 0L
(unspecified)
1 game
0W
0D
0L
Bogo-Indian Defense 1 game 1W 0D 0L
Nimzowitsch Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Trompowsky Attack 1 game 1W 0D 0L
Edge Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Nimzo-Indian Defense 1 game 1W 0D 0L
Reshevsky Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Blunders Top 4 of 122
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 33 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.10.28 | Round 5: Vasquez Lopez, Josue Gabriel - Pumachaico Valdiviezo, Piero Alonso | 5.2 | 2026.10.28 Vasquez Lopez, Josue Gabriel (3853284) (1916) | 1 | 94.80% | 1. e4 c6 2. Nf3 d5 3. d3 Bg4 | |
| 2026.10.27 | Round 3: Llatas Parihuaman, Jose Maria - Pumachaico Valdiviezo, Piero Alonso | 3.2 | 2026.10.27 Llatas Parihuaman, Jose Maria (3876578) (1828) | 1 | 88.80% | 1. e4 c6 2. d4 d5 3. Nc3 dxe4 | |
| 2026.10.27 | Round 2: Pumachaico Valdiviezo, Piero Alonso - Chavez Mendoza, Stephano Yamil | 2.3 | 2026.10.27 Chavez Mendoza, Stephano Yamil (3871312) | 1 | 94.40% | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 | |
| 2026.10.26 | Round 4: Pumachaico Valdiviezo, Piero Alonso - Gallegos Quispe, Daniel Paolo | 4.1 | 2026.10.26 Gallegos Quispe, Daniel Paolo (3879585) (2002) | ½ | 90.00% | 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 | |
| 2026.10.26 | Round 1: Pezo Ramos, Karlo Andre - Pumachaico Valdiviezo, Piero Alonso | 1.3 | 2026.10.26 Pezo Ramos, Karlo Andre (3850757) (1585) | 1 | 92.40% | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | |
| 2026.08.02 | Round 6: Pumachaico Valdiviezo, Piero Alonso - Requejo Cotrina, Oswaldo Valentin | 6.4 | 2026.08.02 Requejo Cotrina, Oswaldo Valentin (3800423) (2234) | 0 | 86.90% | 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 | |
| 2026.06.28 | Round 15: Pumachaico Valdiviezo, Piero Alonso - Fuentes Dominguez, Felix | 15.17 | 2026.06.28 Fuentes Dominguez, Felix (3504158) (2263) | 0 | 86.10% | 1. b3 d5 2. Bb2 Nf6 3. e3 c5 | |
| 2026.06.28 | Round 5: Plotkin, Mark - Pumachaico Valdiviezo, Piero Alonso | 5.14 | 2026.06.28 Plotkin, Mark (2611651) (2387) | 0 | - | 1. e4 c6 2. d4 d5 3. e5 Bf5 | |
| 2026.06.27 | Round 15: Pumachaico Valdiviezo, Piero Alonso - Rengifo Blancas, Renzo Jhonathan | 15.14 | 2026.06.27 Rengifo Blancas, Renzo Jhonathan (3807185) (2109) | * | - | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 | |
| 2026.06.27 | Round 11: Pumachaico Valdiviezo, Piero Alonso - Santiago Vilca, Christian Amilca | 11.14 | 2026.06.27 Santiago Vilca, Christian Amilca (3816982) (2189) | * | - | 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 | |
| 2026.06.26 | Round 2: Pumachaico Valdiviezo, Piero Alonso - Terry, Renato | 2.7 | 2026.06.26 Terry, Renato (3803457) (2457) | 0 | 83.70% | 1. d4 Nf6 2. Bf4 d6 3. e3 Nbd7 | |
| 2026.06.26 | Round 7: Reyes Zavaleta, Fabian Ricardo - Pumachaico Valdiviezo, Piero Alonso | 7.15 | 2026.06.26 Reyes Zavaleta, Fabian Ricardo (3844153) (2283) | * | - | 1. d4 Nf6 2. c4 c5 3. d5 b5 | |
| 2026.01.25 | Round 6: Pumachaico Valdiviezo, Piero Alonso - Alfaro Zambrano, Luis Fabricio | 6.2 | 2026.01.25 Alfaro Zambrano, Luis Fabricio (3835243) (1974) | * | 93.50% | 1. d4 d5 2. c4 dxc4 3. Nf3 c5 | |
| 2026.01.24 | Round 5: Obesso Uribe, Juan de Dios Gabriel - Pumachaico Valdiviezo, Piero Alonso | 5.3 | 2026.01.24 Obesso Uribe, Juan de Dios Gabriel (3840859) (1829) | 1 | 89.20% | 1. d4 Nf6 2. c4 c5 3. d5 b5 | |
| 2026.01.24 | Round 4: Pumachaico Valdiviezo, Piero Alonso - Loayza Velez, Max Hernan | 4.4 | 2026.01.24 Loayza Velez, Max Hernan (3809560) (1771) | 1 | 94.00% | 1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 | |
| 2026.01.23 | Round 3: Salas Beraun, Sebastian Gael - Pumachaico Valdiviezo, Piero Alonso | 3.2 | 2026.01.23 Salas Beraun, Sebastian Gael (3840654) (1845) | * | - | 1. d4 Nf6 2. Nf3 e6 3. a3 c5 | |
| 2026.01.22 | Round 7: Rodriguez Rubio, Alex Steven - Pumachaico Valdiviezo, Piero Alonso | 7.1 | 2026.01.22 Rodriguez Rubio, Alex Steven (3825230) (2021) | ½ | - | 1. Nf3 d5 2. c4 e6 3. b3 Nf6 | |
| 2026.01.22 | Round 2: Pumachaico Valdiviezo, Piero Alonso - Nunez Castaneda, Joaquin Alonso | 2.2 | 2026.01.22 Nunez Castaneda, Joaquin Alonso (81426682) (1836) | * | - | 1. d4 d5 2. c4 e6 3. Nc3 c5 | |
| 2026.01.22 | Round 1: Garcia Benites, Darikson Ronald - Pumachaico Valdiviezo, Piero Alonso | 1.2 | 2026.01.22 Garcia Benites, Darikson Ronald (81415788) (1661) | 1 | - | 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ | |
| 2025.07.30 | Round 5: Vilca Contreras, Dante Ivan - Pumachaico Valdiviezo, Piero Alonso | 5.2 | 2025.07.30 Vilca Contreras, Dante Ivan (3853900) (1861) | 0 | 80.30% | 1. e4 e6 2. d4 d5 3. Nc3 Nf6 | |
| 2025.07.30 | Round 4: Duarte Fernandez, Agustin - Pumachaico Valdiviezo, Piero Alonso | 4.2 | 2025.07.30 Duarte Fernandez, Agustin (189898) (2037) | 1 | - | 1. d4 Nf6 2. Bg5 Ne4 3. Bh4 d5 | |
| 2025.06.29 | Ronda 6: Pumachaico Valdiviezo, Piero Alonso - Sifuentes Alcantara, Jhony Sebas | 6.6 | 2025.06.29 Sifuentes Alcantara, Jhony Sebas (3833488) (1993) | 1 | 93.70% | 1. d4 Nf6 2. Bg5 d5 3. Bxf6 gxf6 | |
| 2025.06.28 | Ronda 4: Pumachaico Valdiviezo, Piero Alonso - Fernandez Sanchez, Fernando Miguel | 4.2 | 2025.06.28 Fernandez Sanchez, Fernando Miguel (3802299) (2376) | 0 | 80.10% | 1. d4 Nf6 2. c4 c5 3. d5 b5 | |
| 2025.06.28 | Ronda 3: Donayre, Bertin - Pumachaico Valdiviezo, Piero Alonso | 3.4 | 2025.06.28 Donayre, Bertin (3804259) (2113) | ½ | 91.30% | 1. e4 c6 2. d4 d5 3. e5 Bf5 | |
| 2024.12.13 | Round 9: Rueda Ahumada, Gabriel Omar - Pumachaico Valdiviezo, Piero Alonso | 9.2 | 2024.12.13 Rueda Ahumada, Gabriel Omar (4496329) (1900) | 1 | 83.20% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2024.12.09 | Round 3: Torales G., Ivan Alejandro B. - Pumachaico Valdiviezo, Piero Alonso | 3.2 | 2024.12.09 Torales G., Ivan Alejandro B. (3710785) (1926) | 0 | 92.10% | 1. e4 e6 2. d4 d5 3. exd5 exd5 | |
| 2024.11.24 | Round 6: Sifuentes Alcantara, Jhony Sebas - Pumachaico Valdiviezo, Piero Alonso | 6.2 | 2024.11.24 Sifuentes Alcantara, Jhony Sebas (3833488) (1841) | 0 | 89.00% | 1. c4 e6 2. g3 Nf6 3. Bg2 d5 | |
| 2024.11.24 | Round 5: Pumachaico Valdiviezo, Piero Alonso - Quiroz Alva, Franco Rodrigo | 5.2 | 2024.11.24 Quiroz Alva, Franco Rodrigo (3846881) (2107) | 1 | 94.10% | 1. d4 d6 2. c4 e5 3. dxe5 dxe5 | |
| 2024.11.23 | Round 4: Barbaran Villena, Carlos Eduardo - Pumachaico Valdiviezo, Piero Alonso | 4.4 | 2024.11.23 Barbaran Villena, Carlos Eduardo (3838781) (1662) | 1 | 90.00% | 1. e4 e6 2. Nf3 d5 3. exd5 exd5 | |
| 2024.11.23 | Round 2: Alvarado Zamora, Albert - Pumachaico Valdiviezo, Piero Alonso | 2.1 | 2024.11.23 Alvarado Zamora, Albert (3825094) (2144) | 0 | 80.50% | 1. e4 e6 2. d4 d5 3. c4 dxe4 | |
| 2024.05.04 | Round 5: Herrera Jimenez, Mateo - Pumachaico Valdiviezo, Piero Alonso | 2024.05.04 Herrera Jimenez, Mateo (144404018) (1943) | 0 | 84.80% | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | ||
| 2024.05.04 | Round 4: Pumachaico Valdiviezo, Piero Alonso - Yang, Maxwell | 2024.05.04 Yang, Maxwell (30965268) (1974) | ½ | 96.20% | 1. d4 Nf6 2. Bf4 g6 3. Nf3 Bg7 | ||
| 2024.05.03 | Round 3: Cano Alcaraz, Juan Jose - Pumachaico Valdiviezo, Piero Alonso | 2024.05.03 Cano Alcaraz, Juan Jose (144403224) (2099) | 1 | 92.30% | 1. e4 c6 2. d4 d5 3. e5 Bf5 |