Player profile
Koch, Juan
Dossier
21 of 39 games analyzed.
Accuracy: 88.3%
Opened d4: 5/9Opened e4: 2/9Opened Nf3: 2/9
Castled kingside: 15Same-side castling: 15Did not castle: 1
Played on the queenside: 6Fianchettoed kingside: 4Played in the center: 4Played on the kingside: 2Fianchettoed queenside: 2
Active pieces: 13Kept the bishop pair: 12Space advantage: 10Backward pawn: 9Initiated exchanges: 9Isolated pawn: 7Missed tactics: 6Sacrificed material: 5Avoided exchanges: 5
Openings
Click "+" to add that group to the games list below. Multiple groups can be added at once.
As White 18 games 7W 4D 7L
English Opening 5 games 1W 2D 2L
Symmetrical Variation 2 games 0W 1D 1L
Anti-Benoni Variation, Spielmann Defense
1 game
0W
1D
0L
Rubinstein Variation
1 game
0W
0D
1L
Agincourt Defense 1 game 0W 1D 0L
Catalan Defense, Semi-Slav Defense
1 game
0W
1D
0L
Anglo-Indian Defense 1 game 1W 0D 0L
King's Indian Formation
1 game
1W
0D
0L
Neo-Catalan 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Trompowsky Attack 3 games 3W 0D 0L
(unspecified) 2 games 2W 0D 0L
(unspecified)
2 games
2W
0D
0L
Classical Defense 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Queen's Pawn Game 2 games 0W 0D 2L
Torre Attack 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Levitsky Attack 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Sicilian Defense 2 games 0W 1D 1L
Keres Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
French Variation 1 game 0W 1D 0L
Normal
1 game
0W
1D
0L
Dutch Defense 1 game 1W 0D 0L
Hopton Attack 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Torre Attack 1 game 1W 0D 0L
Classical Defense 1 game 1W 0D 0L
Nimzowitsch Variation
1 game
1W
0D
0L
Catalan Opening 1 game 1W 0D 0L
Open Defense 1 game 1W 0D 0L
Classical Line
1 game
1W
0D
0L
Queen's Gambit Declined 1 game 0W 1D 0L
Three Knights Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Caro-Kann Defense 1 game 0W 0D 1L
Two Knights Attack 1 game 0W 0D 1L
Mindeno Variation, Exchange Line
1 game
0W
0D
1L
Réti Opening 1 game 0W 0D 1L
Anglo-Slav Variation 1 game 0W 0D 1L
New York System
1 game
0W
0D
1L
As Black 16 games 7W 4D 4L
Caro-Kann Defense 3 games 1W 1D 1L
Advance Variation 1 game 0W 0D 1L
Tal Variation
1 game
0W
0D
1L
Classical Variation 1 game 0W 1D 0L
Spassky Variation
1 game
0W
1D
0L
Exchange Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Slav Defense 2 games 1W 1D 0L
Chebanenko Variation 2 games 1W 1D 0L
Advance System
1 game
1W
0D
0L
(unspecified)
1 game
0W
1D
0L
Modern Defense 1 game 0W 0D 0L
(unspecified) 1 game 0W 0D 0L
(unspecified)
1 game
0W
0D
0L
Nimzo-Larsen Attack 1 game 0W 1D 0L
Classical Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
King's Indian Attack 1 game 0W 0D 1L
Keres Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
English Opening 1 game 1W 0D 0L
Agincourt Defense 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Indian Defense 1 game 0W 1D 0L
Knights Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Queen's Gambit Declined 1 game 1W 0D 0L
Neo-Orthodox Variation 1 game 1W 0D 0L
Main Line
1 game
1W
0D
0L
Zukertort Opening 1 game 1W 0D 0L
Sicilian Invitation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Ruy Lopez 1 game 0W 0D 1L
Morphy Defense 1 game 0W 0D 1L
Wormald Attack
1 game
0W
0D
1L
French Defense 1 game 0W 0D 1L
Advance Variation 1 game 0W 0D 1L
Wade Variation
1 game
0W
0D
1L
Italian Game 1 game 1W 0D 0L
Two Knights Defense 1 game 1W 0D 0L
Modern Bishop's Opening
1 game
1W
0D
0L
Sicilian Defense 1 game 1W 0D 0L
Alapin Variation 1 game 1W 0D 0L
Smith-Morra Declined
1 game
1W
0D
0L
Blunders Top 4 of 100
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 39 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.10.15 | Round 9: Koch, Juan - Orizondo, Hugo | 9.3 | 2026.10.15 Orizondo, Hugo (2013177) (2016) | 0 | 79.90% | 1. d4 d5 2. Nf3 Nf6 3. c3 e6 | |
| 2026.10.15 | Round 8: Pilarte Tijerino, Rene Antonio - Koch, Juan | 8.5 | 2026.10.15 Pilarte Tijerino, Rene Antonio (6100082) (2069) | * | - | 1. d4 g6 2. e4 Bg7 3. Be3 c5 | |
| 2026.10.14 | Round 8: Pilarte Tijerino, Rene Antonio - Koch, Juan | 8.5 | 2026.10.14 Pilarte Tijerino, Rene Antonio (6100082) (2069) | 1 | 93.80% | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 | |
| 2026.10.14 | Round 7: Ledesma, Otoniel - Koch, Juan | 7.3 | 2026.10.14 Ledesma, Otoniel (3800431) (2186) | ½ | 90.80% | 1. b3 d5 2. Bb2 Bg4 3. h3 Bh5 | |
| 2026.10.13 | Round 6: Koch, Juan - Barboza, Mauro | 6.7 | 2026.10.13 Barboza, Mauro (3000567) (1879) | 1 | 87.70% | 1. d4 Nf6 2. Bg5 d5 3. Nd2 c6 | |
| 2026.10.12 | Round 5: Torres, Javier Antonio - Koch, Juan | 5.7 | 2026.10.12 Torres, Javier Antonio (2006634) (2068) | ½ | 94.70% | 1. d4 d5 2. Nf3 Nf6 3. c4 c6 | |
| 2026.10.12 | Round 4: Koch, Juan - Sopko, Cassio Roberto | 4.11 | 2026.10.12 Sopko, Cassio Roberto (2167867) (1807) | 1 | 90.20% | 1. d4 f5 2. Bg5 c6 3. Nd2 d5 | |
| 2026.10.11 | Round 3: Koch, Juan - Davila Texeira, Mario | 3.15 | 2026.10.11 Davila Texeira, Mario (3000940) (1752) | 1 | 73.90% | 1. d4 Nf6 2. Bg5 c6 3. Bxf6 exf6 | |
| 2026.10.11 | Round 2: Bauza, Alejandro - Koch, Juan | 2.11 | 2026.10.11 Bauza, Alejandro (3000060) (2074) | 0 | 72.50% | 1. Nf3 d5 2. g3 Bg4 3. Bg2 Nd7 | |
| 2026.08.27 | SEMIFINAL CAMPEONATO ARGENTINO DE AJEDREZ SUPERIOR ABSOLUTO 22 AL 29 DE AGOSTO | 7 | 2026.08.27 Garcia, Juan Domingo (20069111) (1882) | 1 | - | 1. d4 Nf6 2. Bg5 e6 3. Nf3 h6 | |
| 2026.08.26 | SEMIFINAL CAMPEONATO ARGENTINO DE AJEDREZ SUPERIOR ABSOLUTO 22 AL 29 DE AGOSTO | 6 | 2026.08.26 Pierrot, Facundo (103250) (2278) | 0 | - | 1. e4 c6 2. d4 d5 3. e5 Bf5 | |
| 2026.08.25 | SEMIFINAL CAMPEONATO ARGENTINO DE AJEDREZ SUPERIOR ABSOLUTO 22 AL 29 DE AGOSTO | 5 | 2026.08.25 Ojea, Ricardo (173355) (1862) | 1 | - | 1. d4 Nf6 2. Bg5 e6 3. Nd2 h6 | |
| 2026.08.24 | SEMIFINAL CAMPEONATO ARGENTINO DE AJEDREZ SUPERIOR ABSOLUTO 22 AL 29 DE AGOSTO | 4 | 2026.08.24 Pouso Dailoff, Matias Nicolas (20060548) (1862) | ½ | - | 1. e4 c6 2. d4 d5 3. Nd2 dxe4 | |
| 2026.08.23 | SEMIFINAL CAMPEONATO ARGENTINO DE AJEDREZ SUPERIOR ABSOLUTO 22 AL 29 DE AGOSTO | 3 | 2026.08.23 Paveto, Kevin (173444) (2446) | 0 | - | 1. d4 d5 2. Bg5 c5 3. c3 Nc6 | |
| 2026.08.22 | SEMIFINAL CAMPEONATO ARGENTINO DE AJEDREZ SUPERIOR ABSOLUTO 22 AL 29 DE AGOSTO | 1 | 2026.08.22 Mendez, Cristian Agustin (20078609) (1619) | 1 | - | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | |
| 2026.02.14 | Round 2: Koch, Juan - Acosta, Pablo Ismael | 2.2 | 2026.02.14 Acosta, Pablo Ismael (124311) (2478) | 0 | 85.80% | 1. e4 c5 2. Ne2 e6 3. c4 Nf6 | |
| 2025.11.24 | Round 7: Ponti, Enrique - Koch, Juan | 7.4 | 2025.11.24 Ponti, Enrique (113239) (1857) | 1 | 95.50% | 1. c4 e6 2. Nc3 d5 3. e3 Nf6 | |
| 2025.11.23 | Round 6: Koch, Juan - Cranbourne, Carlos | 6.4 | 2025.11.23 Cranbourne, Carlos (101060) (2110) | ½ | 92.00% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2025.11.23 | Round 5: Garcia, Juan Domingo - Koch, Juan | 5.4 | 2025.11.23 Garcia, Juan Domingo (20069111) (1932) | ½ | 89.60% | 1. d4 Nf6 2. Nf3 e6 3. g3 d5 | |
| 2025.11.22 | Round 4: Koch, Juan - Lo Presti, Roberto | 4.4 | 2025.11.22 Lo Presti, Roberto (108286) (1999) | 1 | 98.20% | 1. d4 Nf6 2. Nf3 e6 3. g3 d5 | |
| 2025.11.22 | Round 3: Lopez, Ricardo - Koch, Juan | 3.5 | 2025.11.22 Lopez, Ricardo (101940) (1938) | 1 | 93.60% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | |
| 2025.11.21 | Campeonato Argentino Seniors - Supra 65 | 2.3 | 2025.11.21 Aguila, Gustavo (101044) (2156) | ½ | - | 1. Nf3 d5 2. c4 e6 3. g3 Nf6 | |
| 2025.11.21 | Campeonato Argentino Seniors - Supra 65 | 1.4 | 2025.11.21 Santiso, Daniel (197157) (1892) | 1 | - | 1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 | |
| 2025.11.11 | XXXII Abierto Internacional ProAm Main Events FIDE. $15.000.000 en premios | 9 | 2025.11.11 Lopez Condori, Matias (20038356) (1766) | 1 | - | 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 | |
| 2025.11.10 | XXXII Abierto Internacional ProAm Main Events FIDE. $15.000.000 en premios | 8 | 2025.11.10 Brignoccoli, Pablo (131474) (1952) | 0 | - | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2025.11.09 | XXXII Abierto Internacional ProAm Main Events FIDE. $15.000.000 en premios | 7 | 2025.11.09 Adam, Ernestina (165883) (2191) | 0 | - | 1. e4 e6 2. d4 d5 3. e5 c5 | |
| 2025.11.08 | XXXII Abierto Internacional ProAm Main Events FIDE. $15.000.000 en premios | 6 | 2025.11.08 Asprelli, Gaspar (165891) (2319) | ½ | - | 1. Nf3 c5 2. c4 Nf6 3. d4 cxd4 | |
| 2025.11.07 | XXXII Abierto Internacional ProAm Main Events FIDE. $15.000.000 en premios | 5 | 2025.11.07 Alvarez, Mia Morena (20030401) (1785) | 1 | - | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2025.11.06 | XXXII Abierto Internacional ProAm Main Events FIDE. $15.000.000 en premios | 4 | 2025.11.06 Bayinay, Juan Santiago (1824) | ½ | - | 1. d4 d5 2. Nf3 Nf6 3. c4 e6 | |
| 2025.11.05 | XXXII Abierto Internacional ProAm Main Events FIDE. $15.000.000 en premios | 3 | 2025.11.05 Varela Velazquez, Carlos Francisco (5139287) (2204) | 0 | - | 1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 | |
| 2025.11.03 | XXXII Abierto Internacional ProAm Main Events FIDE. $15.000.000 en premios | 1 | 2025.11.03 Rodas, Dominic (20066511) | 1 | - | 1. e4 c5 2. c3 Nf6 3. e5 Nd5 | |
| 2025.04.02 | III Abierto Internacional de FAOGBA 2 al | 1.7 | 2025.04.02 Schnaider, Ilan (169013) (2384) | 0 | - | 1. c4 c6 2. Nf3 d5 3. e3 Nf6 | |
| 2024.06.01 | Round 1: Koch, Juan - Slipak, Sergio | 2024.06.01 Slipak, Sergio (100250) (2374) | 0 | 87.10% | 1. Nf3 Nf6 2. c4 e6 3. g3 d5 | ||
| 2023.06.18 | MASTER CIUDAD DE BUENOS AIRES - Club Ar | 6.19 | 2023.06.18 Ccahuancama, Abraham William (20005830) (1682) | 0 | 55.70% | 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 | |
| 2023.06.17 | MASTER CIUDAD DE BUENOS AIRES - Club Arg | 4.13 | 2023.06.17 Axarlian, Carlos (115266) (2030) | 0 | 81.20% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 | |
| 2023.06.16 | MASTER CIUDAD DE BUENOS AIRES - Club Ar | 3.22 | 2023.06.16 Saliba, Gabriel Ivan (20032714) | 1 | 98.00% | 1. c4 c6 2. Nf3 d5 3. e3 Nf6 | |
| 2023.06.15 | MASTER CIUDAD DE BUENOS AIRES - Club Arg | 2.10 | 2023.06.15 Unhold, Valentin (189030) (2060) | 0 | 84.20% | 1. Nf3 d5 2. b3 Nf6 3. Bb2 e6 | |
| 2023.06.14 | MASTER CIUDAD DE BUENOS AIRES - Club Arg | 1.31 | 2023.06.14 Hernandez Figueroa, Martin Jose (20032641) | 1 | 94.50% | 1. c4 e5 2. g3 Nf6 3. Bg2 Nc6 | |
| 2023.11.11 | Round 4: Juan Koch - Gaspar Asprelli | 2023.11.11 Gaspar Asprelli (2240) | 0 | 87.80% | 1. Nf3 Nf6 2. c4 c5 3. g3 d5 |