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| Date | Players & Opening | Result | ECO | View |
|---|---|---|---|---|
| 2025.03.12 | ARIAS DIAZ, Miguel Angel (1984) vs (2341) MELIAN, Juan Sebastian ZONAL 2.5 ABSOLUTO CHILE 2025 Nimzo-Indian St. Petersburg Rubinstein (Normal) |
0-1 | E47 | |
| 2025.03.11 | FARFAN ORTIZ, Victor (2181) vs (1984) ARIAS DIAZ, Miguel Angel ZONAL 2.5 ABSOLUTO CHILE 2025 English - Snake |
0-1 | A10 | |
| 2025.03.10 | ARIAS DIAZ, Miguel Angel (1984) vs (1731) GUTIERREZ VERDUGO, Leonidas ZONAL 2.5 ABSOLUTO CHILE 2025 King's Indian Schwarz (Makogonov) |
1-0 | E71 | |
| 2025.03.09 | ARIAS DIAZ, Miguel Angel (1984) vs (2411) VAZQUEZ, Facundo ZONAL 2.5 ABSOLUTO CHILE 2025 Nimzo-Indian St. Petersburg |
0-1 | E43 | |
| 2025.05.24 | Salinas Herrera, Pablo (2447) vs (2176) Arias Diaz, Miguel Angel XVIII American Continental 2025 Indian East Indian - Torre |
1-0 | A48 | |
| 2025.05.23 | Arias Diaz, Miguel Angel (2176) vs (1757) Zottis, Pietro XVIII American Continental 2025 Queen's Gambit Declined - Exchange |
1-0 | D35 | |
| 2024.03.24 | Espinoza Palomino, Willyam (2400) vs (1996) Arias Diaz, Miguel Angel 53° Abierto Ciudad de Mar del Plata - 2000000 en premios - 23 al 30 de Marzo |
1-0 | ||
| 2023.12.08 | Ramirez Sifuentes, Luis Angel (1933) vs (1898) Arias Diaz, Miguel Angel XIX Festival Sul-Americano da Juventude 2023 STD - U16 Absoluto Sicilian - Wing Gambit (Marshall) |
1-0 | B20 | |
| 2023.12.07 | Arias Diaz, Miguel Angel (1898) vs (1947) Meza Astrada, Agustin XIX Festival Sul-Americano da Juventude 2023 STD - U16 Absoluto Queen's Gambit Declined - Charousek |
1/2-1/2 | D31 | |
| 2023.12.07 | Castro Salgado, Pablo Alonso (2176) vs (1898) Arias Diaz, Miguel Angel XIX Festival Sul-Americano da Juventude 2023 STD - U16 Absoluto Reti Symmetrical |
1/2-1/2 | A05 | |
| 2023.12.06 | Arias Diaz, Miguel Angel (1898) vs (2155) Lima, Stefan Moisei Vieira XIX Festival Sul-Americano da Juventude 2023 STD - U16 Absoluto Gruenfeld Three Knights |
1-0 | D90 | |
| 2023.12.06 | Silva, Caio Henrique Angelico (2126) vs (1898) Arias Diaz, Miguel Angel XIX Festival Sul-Americano da Juventude 2023 STD - U16 Absoluto Gruenfeld |
1/2-1/2 | D70 | |
| 2023.12.05 | Nascimento, Nicolas Daniel Trindade (1885) vs (1898) Arias Diaz, Miguel Angel XIX Festival Sul-Americano da Juventude 2023 STD - U16 Absoluto Reti Symmetrical - Barcza |
1/2-1/2 | A05 | |
| 2023.12.05 | Arias Diaz, Miguel Angel (1898) vs (1965) Parra Gonzales, Andre Leonardo XIX Festival Sul-Americano da Juventude 2023 STD - U16 Absoluto Nimzo-Indian Botvinnik |
1/2-1/2 | E49 | |
| 2023.12.04 | Cabiativa, Juan Esteban (2182) vs (1898) Arias Diaz, Miguel Angel XIX Festival Sul-Americano da Juventude 2023 STD - U16 Absoluto Sicilian - Paulsen |
0-1 | B45 | |
| 2023.12.02 | Arias Diaz, Miguel Angel (1898) vs (1404) Vargas Mamani, Juan Antonio XIX Festival Sul-Americano da Juventude 2023 STD - U16 Absoluto Semi-Slav - Anti-Meran |
1-0 | D43 | |
| 2022.07.02 | Arias Diaz, Miguel Angel (1848) vs (1997) Vasquez Vargas, Henry Richard 32 Festival Panamericano de Ajedrez de la Juventud |
0-1 | ||
| 2022.07.01 | Lavandeira, Juan Bautista (1662) vs (1848) Arias Diaz, Miguel Angel 32 Festival Panamericano de Ajedrez de la Juventud Gruenfeld Classical |
1/2-1/2 | D80 | |
| 2022.06.30 | Flores Quillas, Diego Saul Rodri (2186) vs (1848) Arias Diaz, Miguel Angel 32 Festival Panamericano de Ajedrez de la Juventud Sicilian Paulsen |
1/2-1/2 | B42 | |
| 2022.06.30 | Arias Diaz, Miguel Angel (1848) vs (1981) Mayta Aiza, Maveric 32 Festival Panamericano de Ajedrez de la Juventud Semi-Slav - Anti-Meran |
1/2-1/2 | D43 | |
| 2022.06.29 | Arias Diaz, Miguel Angel (1848) vs (2120) Montes Orozco, Miguel Angel 32 Festival Panamericano de Ajedrez de la Juventud Modern Benoni King's Pawn |
1-0 | A65 | |
| 2022.06.28 | Montevilla C., Elias Alejandro (1428) vs (1848) Arias Diaz, Miguel Angel 32 Festival Panamericano de Ajedrez de la Juventud Indian East Indian |
0-1 | A48 | |
| 2022.06.27 | Arias Diaz, Miguel Angel (1848) vs (1611) Martello, Benjamin 32 Festival Panamericano de Ajedrez de la Juventud Queen's Gambit Accepted |
1-0 | D25 | |
| 2022.06.27 | Galaviz Medina, Atlas Adomaitis (2096) vs (1848) Arias Diaz, Miguel Angel 32 Festival Panamericano de Ajedrez de la Juventud Indian East Indian - Exchange |
1-0 | D90 | |
| 2022.06.26 | Arias Diaz, Miguel Angel (1848) vs Diaz Delograsi, Francisco 32 Festival Panamericano de Ajedrez de la Juventud King's Indian Schwarz - Kramer |
1-0 | E70 | |
| 2021.06.19 | Aravena Navarro, Alexis Andres (1937) vs (1694) Arias Diaz, Miguel Angel Invitacional Sudamericano Sub-20 Indian - Paleface |
1-0 | A45 | |
| 2021.06.19 | Arias Diaz, Miguel Angel (1694) vs (1989) Pena Cifuentes, Tomas Alberto Invitacional Sudamericano Sub-20 Nimzo-Indian Rubinstein |
1/2-1/2 | E40 | |
| 2021.06.19 | Araneda Flores, Javier Armando (1258) vs (1694) Arias Diaz, Miguel Angel Invitacional Sudamericano Sub-20 Gruenfeld Exchange - Modern |
0-1 | D85 | |
| 2021.06.19 | Arias Diaz, Miguel Angel (1694) vs (1271) Arias Diaz, Javier Alonso Invitacional Sudamericano Sub-20 King's Indian Classical |
1-0 | E91 | |
| 2021.06.19 | Castellanos Villela, Alejandro (2202) vs (1694) Arias Diaz, Miguel Angel Invitacional Sudamericano Sub-20 Sicilian Closed |
1-0 | B23 | |
| 2021.06.19 | Arias Diaz, Miguel Angel (1694) vs (1483) Mundaca Bermedo, Pia Invitacional Sudamericano Sub-20 Modern Benoni |
1-0 | A60 | |
| 2021.06.19 | Borda Rodas, Anapaola S. (2162) vs (1694) Arias Diaz, Miguel Angel Invitacional Sudamericano Sub-20 Sicilian Paulsen |
1-0 | B41 | |
| 2019.12.06 | Arias Diaz, Miguel Angel (1590) vs (1917) Reyes Mendoza, Tomas XVI Festival Sudamericano de la Juventud - Sub 12 Absoluto Queen's Pawn Zukertort - Symmetrical |
0-1 | D02 | |
| 2019.12.03 | Arias Diaz, Miguel Angel (1590) vs (2001) Fiorito, Joaquin XVI Festival Sudamericano de la Juventud - Sub 12 Absoluto Indian Knight |
0-1 | A46 | |
| 2019.12.02 | Payba, Joaquin (1264) vs (1590) Arias Diaz, Miguel Angel XVI Festival Sudamericano de la Juventud - Sub 12 Absoluto Indian East Indian - London |
0-1 | A48 | |
| 2019.07.27 | Arias Diaz, Miguel Angel (1631) vs (1556) Steiner, Adamson XXX FESTIVAL PANAMERICANO DE LA JUVENTUD 2019 Queen's Pawn Zukertort - Symmetrical |
0-1 | D02 | |
| 2019.07.26 | Mendez, Andre (1718) vs (1631) Arias Diaz, Miguel Angel XXX FESTIVAL PANAMERICANO DE LA JUVENTUD 2019 Sicilian Accelerated Dragon - Simagin |
0-1 | B34 | |
| 2019.07.25 | Arias Diaz, Miguel Angel (1631) vs (1300) Puchuri Torres, Joseph Ricardo XXX FESTIVAL PANAMERICANO DE LA JUVENTUD 2019 Dutch |
1-0 | A84 | |
| 2019.07.24 | Cahuapaza Tarapaca, Leonardo (1358) vs (1631) Arias Diaz, Miguel Angel XXX FESTIVAL PANAMERICANO DE LA JUVENTUD 2019 Sicilian Classical Dragon - Classical Dragon |
1/2-1/2 | B74 | |
| 2019.07.24 | Arias Diaz, Miguel Angel (1631) vs (1437) Sanchez Garcia, Ivan A. XXX FESTIVAL PANAMERICANO DE LA JUVENTUD 2019 Dutch Ilyin-Genevsky - Winter |
1-0 | A97 | |
| 2019.07.22 | Arias Diaz, Miguel Angel (1631) vs (1281) Palomino Landeo, Diego Fernando XXX FESTIVAL PANAMERICANO DE LA JUVENTUD 2019 Queen's Pawn - London |
0-1 | D02 | |
| 2019.07.22 | Safranek, William (1132) vs (1631) Arias Diaz, Miguel Angel XXX FESTIVAL PANAMERICANO DE LA JUVENTUD 2019 Sicilian Yugoslav Dragon |
1-0 | B78 | |
| 2019.07.21 | Arias Diaz, Miguel Angel (1631) vs (1121) Abarca Benites, Isaac Alejandro XXX FESTIVAL PANAMERICANO DE LA JUVENTUD 2019 Indian |
1-0 | A45 | |
| 2018.07.22 | ARIAS DIAZ, Miguel Angel (1358) vs (1797) CHIAPPERO, Julio Alfredo XXIX Festival Panamericano de la Juventud 2018 Sicilian Barnes |
1/2-1/2 | B44 | |
| 2017.08.23 | Dev, Shah (1793) vs (1325) Arias Diaz, Miguel Angel World Cadets Chess Championship 2017 Indian East Indian - London |
1-0 | A48 | |
| 2016.12.04 | Vergara Barreda, Inaki Imanol (1476) vs (1236) Arias Diaz, Miguel Angel XIII Festival Sudamericano De La Juventud Chile 2016 Sicilian Yugoslav Dragon |
1-0 | B78 | |
| 2016.12.02 | Arias Diaz, Miguel Angel (1236) vs (1433) Shimamura Silva, Eduardo Akira XIII Festival Sudamericano De La Juventud Chile 2016 Scandinavian |
0-1 | B01 | |
| 2016.12.02 | Oyarzun Marquez, Benjamin Fern vs (1236) Arias Diaz, Miguel Angel XIII Festival Sudamericano De La Juventud Chile 2016 Sicilian - Philidor |
0-1 | B20 | |
| 2016.12.01 | Arias Diaz, Miguel Angel (1236) vs (1643) Severich, Axl XIII Festival Sudamericano De La Juventud Chile 2016 Italian - Pianissimo |
0-1 | C50 | |
| 2016.05.14 | Arias Díaz, Miguel Angel vs (1302) Vilche Martínez, Nayareth Del Torneo IRT Sub-1600 Preparatorio Sudamericano de la Juventud Chile 2016 Irregular King's Knight - Damiano |
1-0 | C40 | |
| 2016.05.14 | Carcamo Panguilef, Sergio Albe vs Arias Díaz, Miguel Angel Torneo IRT Sub-1600 Preparatorio Sudamericano de la Juventud Chile 2016 Sicilian |
0-1 | B50 | |
| 2016.05.14 | Arias Díaz, Miguel Angel vs Araya Cárdenas, Fernando Anton Torneo IRT Sub-1600 Preparatorio Sudamericano de la Juventud Chile 2016 Alekhine |
1-0 | B02 | |
| 2016.05.14 | Contreras Riquelme, Santiago (1269) vs Arias Díaz, Miguel Angel Torneo IRT Sub-1600 Preparatorio Sudamericano de la Juventud Chile 2016 English Asymmetrical |
1/2-1/2 | A34 |
| Date | Players & Opening | Result | ECO | View |
|---|---|---|---|---|
| 2025.05.31 | Arias Diaz,Miguel Angel (2176) vs (2022) Montevilla Cahuasa,Jonathan I. 18th American Continental Gruenfeld Three Knights |
0-1 | D90 | |
| 2025.05.30 | Piccoli,Lucas Fonseca (2284) vs (2176) Arias Diaz,Miguel Angel 18th American Continental Sicilian - Anderssen |
1/2-1/2 | B40 | |
| 2025.05.29 | Arias Diaz,Javier Alonso (1962) vs (1862) Deretti,Lucas Jurk 18th American Continental King's Indian Schwarz - Kramer |
1/2-1/2 | E70 | |
| 2025.05.28 | Lira,Suan Bruno Fernandes (2163) vs (1962) Arias Diaz,Javier Alonso 18th American Continental French Tarrasch |
1-0 | C03 | |
| 2025.05.28 | Mariani,Daniel Brandao (2002) vs (2176) Arias Diaz,Miguel Angel 18th American Continental Queen's Gambit Declined - Exchange |
1/2-1/2 | D35 | |
| 2025.05.26 | Donoso Simonetti,Alvaro Matias (1935) vs (2176) Arias Diaz,Miguel Angel 18th American Continental French Advance - Euwe |
1/2-1/2 | C02 | |
| 2025.05.26 | Arias Diaz,Miguel Angel (2176) vs (1975) Raimundo,A 18th American Continental Nimzo-Indian Botvinnik |
1-0 | E49 | |
| 2025.05.25 | Arias Diaz,Javier Alonso (1962) vs (2226) Aguinaga,M 18th American Continental King's Indian Schwarz (Makogonov) |
1-0 | E71 | |
| 2025.05.24 | Salinas Herrera,P (2447) vs (2176) Arias Diaz,Miguel Angel 18th American Continental Indian East Indian - Torre |
1-0 | A48 | |
| 2025.05.31 | Arias Diaz,Javier Alonso (1962) vs (1867) Mayeregger Gonzalez,Fiorella Allegra 18th American Continental Queen's Gambit Chigorin |
1/2-1/2 | D07 | |
| 2025.05.30 | Garmendia Vega,Gabriel (2100) vs (1962) Arias Diaz,Javier Alonso 18th American Continental Queen's Pawn - Mason |
1-0 | D00 | |
| 2025.05.29 | Arias Diaz,Miguel Angel (2176) vs (2048) Cezar Junior,William Carlos 18th American Continental Queen's Gambit Declined - Exchange |
1-0 | D35 | |
| 2025.05.27 | Arias Diaz,Javier Alonso (1962) vs (2246) Larrea,M 18th American Continental King's Indian Schwarz (Makogonov) |
0-1 | E71 | |
| 2025.05.27 | Arias Diaz,Miguel Angel (2176) vs (2358) Melian,Juan Sebastian 18th American Continental Nimzo-Indian Saemisch |
0-1 | E28 | |
| 2025.05.26 | Arias Diaz,Javier Alonso (1962) vs (2354) Matsuura,E 18th American Continental Slav - Classical Exchange |
1/2-1/2 | D10 | |
| 2025.05.24 | Arias Diaz,Miguel Angel (2176) vs (1947) Nunes,Ag 18th American Continental Queen's Gambit Declined - Exchange |
1-0 | D35 | |
| 2025.05.24 | Requejo,O (2184) vs (1962) Arias Diaz,Javier Alonso 18th American Continental Irregular Queen's Pawn - Franco-Indian |
0-1 | A40 | |
| 2025.05.25 | Perez Gormaz,M (2408) vs (2176) Arias Diaz,Miguel Angel 18th American Continental French - Hanham |
1-0 | C00 | |
| 2025.05.24 | Arias Diaz,Javier Alonso (1962) vs (1716) Vieira,Luana Saddi 18th American Continental King's Indian Schwarz (Makogonov) |
1-0 | E71 | |
| 2025.05.23 | Arias Diaz,Miguel Angel (2176) vs (1757) Zottis,Pietro 18th American Continental Queen's Gambit Declined - Exchange |
1-0 | D35 | |
| 2025.05.23 | Proudian,Armen (2410) vs (1962) Arias Diaz,Javier Alonso 18th American Continental French - Exchange |
1-0 | C01 | |
| 2025.01.15 | Arias Diaz,Javier Alonso (1950) vs (2081) Henriquez Hidalgo,Camilo Alonso II Temuco Open 2025 Queen's Gambit Declined - Exchange |
1/2-1/2 | D35 | |
| 2025.03.10 | Arias Diaz,Javier Alonso (2010) vs (2193) Crespo,E Zonal 2.5 2025 Nimzo-Indian Bernstein |
1/2-1/2 | E59 | |
| 2025.01.14 | Romero Araya,D (2219) vs (1950) Arias Diaz,Javier Alonso II Temuco Open 2025 Caro-Kann - Advance |
1-0 | B12 | |
| 2025.01.14 | Barriga Silva,Felipe (2248) vs (2011) Arias Diaz,Miguel Angel II Temuco Open 2025 Caro-Kann - Advance |
1-0 | B12 | |
| 2025.03.09 | Arias Diaz,Miguel Angel (1984) vs (2411) Vazquez,Facundo Zonal 2.5 2025 Nimzo-Indian St. Petersburg |
0-1 | E43 | |
| 2025.01.14 | Arias Diaz,Javier Alonso (1950) vs (2228) Lenoir Ibacache,G II Temuco Open 2025 King's Indian Schwarz (Makogonov) |
1-0 | E71 | |
| 2025.03.15 | Myers Cumsille,Cash Amaru (1907) vs (2010) Arias Diaz,Javier Alonso Zonal 2.5 2025 Modern Benoni Classical |
1-0 | A70 | |
| 2025.03.15 | Valdes Escobar,A (2346) vs (1984) Arias Diaz,Miguel Angel Zonal 2.5 2025 English Agincourt - Janowski |
1-0 | D31 | |
| 2025.03.14 | Arias Diaz,Javier Alonso (2010) vs (2180) Munoz Ramos,Christopher Zonal 2.5 2025 Queen's Gambit Declined - Janowski |
0-1 | D31 | |
| 2025.03.14 | Arias Diaz,Miguel Angel (1984) vs (2193) Crespo,E Zonal 2.5 2025 Neo-Indian - Exchange |
1-0 | D35 | |
| 2025.03.13 | Hutt,A (2042) vs (1984) Arias Diaz,Miguel Angel Zonal 2.5 2025 Reti King's Indian |
0-1 | A07 | |
| 2025.03.13 | Lenoir Ibacache,G (2194) vs (2010) Arias Diaz,Javier Alonso Zonal 2.5 2025 French Advance - Euwe |
0-1 | C02 | |
| 2025.03.12 | Arias Diaz,Miguel Angel (1984) vs (2281) Aguilar,A Zonal 2.5 2025 Nimzo-Indian Botvinnik - Keres |
0-1 | E49 | |
| 2025.03.12 | Arias Diaz,Javier Alonso (2010) vs (2326) Tokman,A Zonal 2.5 2025 Queen's Gambit Declined - Janowski |
0-1 | D31 | |
| 2025.03.12 | Heinechen,Ju (2123) vs (2010) Arias Diaz,Javier Alonso Zonal 2.5 2025 Caro-Kann - Knight (Tartakower) |
1/2-1/2 | B15 | |
| 2025.03.12 | Arias Diaz,Miguel Angel (1984) vs (2341) Melian,Juan Sebastian Zonal 2.5 2025 Nimzo-Indian St. Petersburg Rubinstein (Normal) |
0-1 | E47 | |
| 2025.03.11 | Arias Diaz,Javier Alonso (2010) vs (1714) Munoz Venegas,Vicente Zonal 2.5 2025 Neo-Indian - Exchange |
1-0 | D35 | |
| 2025.03.11 | Farfan Ortiz,V (2181) vs (1984) Arias Diaz,Miguel Angel Zonal 2.5 2025 English - Snake |
0-1 | A10 | |
| 2025.03.10 | Arias Diaz,Miguel Angel (1984) vs (1731) Gutierrez Verdugo,Leonidas Zonal 2.5 2025 King's Indian Schwarz (Makogonov) |
1-0 | E71 | |
| 2025.03.10 | Amigo Quintana,Antu (2199) vs (2010) Arias Diaz,Javier Alonso Zonal 2.5 2025 Queen's Gambit Declined - Janowski |
1-0 | D31 | |
| 2025.01.13 | Silva Sanchez,C (2325) vs (2011) Arias Diaz,Miguel Angel II Temuco Open 2025 Queen's Pawn Richter-Veresov - Chigorin |
1/2-1/2 | D01 | |
| 2025.01.12 | Hernandez Riera,J (2163) vs (1950) Arias Diaz,Javier Alonso II Temuco Open 2025 Queen's Pawn Zukertort |
1-0 | D02 | |
| 2025.01.11 | Arias Diaz,Javier Alonso (1950) vs (2170) Contreras Huaman,Fiorella II Temuco Open 2025 Slav - Classical Exchange |
1/2-1/2 | D10 | |
| 2024.02.26 | Arias Diaz,Miguel Angel (1972) vs (2336) Torres Bravo,C ch-CHI 2024 Nimzo-Indian Rubinstein |
0-1 | E41 | |
| 2024.02.25 | Lenoir Ibacache,G (2225) vs (1972) Arias Diaz,Miguel Angel ch-CHI 2024 French - Chigorin |
0-1 | C00 | |
| 2024.02.20 | Arias Diaz,Miguel Angel (1972) vs (2234) Carrasco Miranda,A ch-CHI 2024 King's Indian Schwarz (Makogonov) |
0-1 | E71 | |
| 2024.02.19 | Arias Diaz,Javier Alonso (1771) vs (2234) Vasquez Toledo,Cristian ch-CHI 2024 Modern |
1/2-1/2 | A41 | |
| 2024.03.24 | Espinoza Palomino,W (2400) vs (1996) Arias Diaz,Miguel Angel 53rd Mar Del Plata Open Caro-Kann - Knight (Tartakower) |
1-0 | B15 | |
| 2023.10.09 | Pinilla Gaete,Patricio (2166) vs (1863) Arias Diaz,Javier Alonso I Temuco Open 2023 Reti Symmetrical |
1-0 | A05 | |
| 2023.10.07 | Arias Diaz,Miguel Angel (1949) vs (2460) Salinas Herrera,P I Temuco Open 2023 Queen's Gambit Declined - Exchange |
0-1 | D35 | |
| 2023.10.07 | Salinas Herrera,P (2460) vs (1863) Arias Diaz,Javier Alonso I Temuco Open 2023 Indian East Indian |
1-0 | A48 | |
| 2023.08.17 | Fiorito,Joaquin (2409) vs (1795) Arias Diaz,Javier Alonso V Villa Constitucion Open Caro-Kann - Advance |
1-0 | B12 | |
| 2022.04.09 | Arias Diaz,Miguel Angel (1820) vs (2403) Garcia Palermo,C 51st Mar Del Plata Open Nimzo-Indian St. Petersburg |
0-1 | E43 |