Libonatti, Mariano
Current rating: 1541
Record: 32-33
| Grand Prix Santiago 2017 (AKH standard) | starting rating: 1586 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 144 | Sandes, Davilla (1486) | Won 2-0 | +161602 |
| 3standard | 153 | Zara, Mauro (1479) | Lost 0-2 | -201582 |
| 4standard | 171 | Aguilar, Marco (1503) | Lost 0-2 | -201562 |
| 5standard | 227 | Ruiz Vidal, Jorge Enrique (1475) | Won 2-1 | +171579 |
| 6standard | 144 | Blau Arancibia, Jorge Luis (1580) | Lost 1-2 | -181561 |
| 7standard | 244 | Rodriguez, Felipe (1466) | Lost 0-2 | -201541 |
| top | average opponent: 1498record: 2-4 | new rating: 1541 | ||
| Grand Prix Porto Alegre 2015 (modern) | starting rating: 1507 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 41 | Paolo, Pablo (1502) | Won 2-1 | +181525 |
| 4modern | 27 | Souza, Gabriel1109 (1555) | Lost 0-2 | -171508 |
| 5modern | 139 | Rosa, Douglas (1536) | Won 2-1 | +181526 |
| 6modern | 60 | Rezende, Denio (1556) | Won 2-0 | +191545 |
| 7modern | 50 | Silva, Rafael (1542) | Won 2-0 | +181563 |
| 8modern | 30 | Arenas, Christian (1776) | Won 2-1 | +211584 |
| 9modern | 10 | Muller, Bruno (1631) | Lost 1-2 | -171567 |
| 10modern | 35 | De Quadros Leal, Rodrigo (1569) | Won 0-0 | +181585 |
| 11modern | 21 | Crusius, Matheus (1621) | Lost 0-2 | -171568 |
| 12modern | 24 | Esper Berthoud, Lucas (1883) | Won 2-0 | +231591 |
| 13modern | 20 | Nakazora Abe, Allison (1856) | Lost 0-0 | -131578 |
| 14modern | 24 | Barroso, Fabio (1704) | Won 2-1 | +201598 |
| 15modern | 15 | Carvalho, Pedro (1901) | Lost 1-2 | -121586 |
| top | average opponent: 1664record: 8-5 | new rating: 1586 | ||
| Grand Prix Buenos Aires 2015 (DTK standard) | starting rating: 1507 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 15 | Martinez, Mauricio (1535) | Won 2-0 | +191526 |
| 3standard | 134 | Viana, Flavio (1498) | Won 2-1 | +171543 |
| 4standard | 2 | Vacca, Ivan (1519) | Won 2-1 | +181561 |
| 5standard | 11 | Ancelmo, Fabio (1578) | Lost 0-2 | -181543 |
| 6standard | 27 | Giacosa, Cesar (1512) | Lost 0-2 | -181525 |
| 7standard | 101 | Garcia, Ezequiel P (1543) | Lost 0-2 | -181507 |
| top | average opponent: 1531record: 3-3 | new rating: 1507 | ||
| Grand Prix Sao Paulo 2015 (DTK standard) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 131 | Bartolini Tambara, Luca (1518) | Won 2-1 | +181521 |
| 3standard | 122 | Ramos Modesto, Danilo (1694) | Lost 0-2 | -151506 |
| 4standard | 272 | Fischer Fonseca, Joao Gabriel (1568) | Won 2-0 | +191525 |
| 5standard | 189 | Alves Balieiro, Rafael (1534) | Won 2-0 | +191544 |
| 6standard | 74 | Vinicius Pereira, Rodrigo (1554) | Lost 0-2 | -181526 |
| 7standard | 201 | Martins de Souza Filho, Carlos Alberto (1520) | Won 2-0 | +181544 |
| 8standard | 79 | Piratelli, Guilherme (1522) | Lost 1-2 | -191525 |
| 9standard | 166 | Monschau Pigatto, Fernando (1537) | Lost 1-2 | -181507 |
| top | average opponent: 1556record: 4-4 | new rating: 1507 | ||
| Grand Prix Santiago 2014 (KTK standard) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 66 | Morales, Felipe (1466) | Lost 0-2 | -181485 |
| 3standard | 187 | Constanzo, Javier (1512) | Won 2-1 | +181503 |
| 4standard | 108 | Salinas Varela, Alvaro (1515) | Lost 1-2 | -181485 |
| 5standard | 238 | Sanhueza, Johan (1499) | Won 2-1 | +181503 |
| 6standard | 117 | Soto, Horacio (1437) | Won 2-1 | +171520 |
| 7standard | 116 | Ramirez, Lucas (1555) | Lost 1-2 | -171503 |
| top | average opponent: 1497record: 3-3 | new rating: 1503 | ||
| Grand Prix Buenos Aires 2014 (BNG standard) | starting rating: 1405 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 111 | Torres, Carlos Silverio (1517) | Won 2-0 | +201425 |
| 3standard | 37 | Epstein, Nicolas (1536) | Won 2-0 | +201445 |
| 4standard | 82 | Leguizamon, Maximiliano (1518) | Lost 0-2 | -161429 |
| 5standard | 94 | Cister Valenzuela, Lucas Mar (1535) | Lost 1-2 | -161413 |
| 6standard | 247 | Gonzalez, Adrian [ARG] (1506) | Won 2-0 | +191432 |
| 7standard | 88 | Macias, Valentin R (1536) | Won 2-0 | +201452 |
| 8standard | 95 | Britos, Pablo (1528) | Won 2-1 | +201472 |
| 9standard | 35 | Daher Dias, Willian (1558) | Won 2-0 | +191491 |
| 10standard | 21 | Chiappa, Renzo (1562) | Won 2-1 | +191510 |
| 11standard | 17 | Nagy, Ariel (1697) | Lost 1-2 | -141496 |
| 12standard | 32 | Vassallo, Javier (1641) | Lost 1-2 | -161480 |
| 13standard | 37 | Garcia Howlin, Victor Damian (1500) | Lost 1-2 | -171463 |
| 14standard | 52 | Paredes, Marcos (1599) | Won 2-0 | +201483 |
| 15standard | 43 | Silva, Danilo (1590) | Won 2-0 | +201503 |
| top | average opponent: 1559record: 9-5 | new rating: 1503 | ||
| Grand Prix Santiago 2013 (THS standard) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 22 | Bernal, Jorge (1518) | Lost 1-2 | -161413 |
| 3modern | 231 | Espinola, Javier (1523) | Lost 1-2 | -161397 |
| 4modern | 318 | Nieto, Carlos (1514) | Won 2-0 | +201417 |
| 5modern | 194 | Vargas, Luis 2 (1482) | Won 2-0 | +191436 |
| 6modern | 179 | Dore, Fernando (1501) | Won 2-1 | +191455 |
| 7modern | 134 | Figueroa, Joao (1539) | Lost 0-2 | -161439 |
| 8modern | 132 | Tibaldi, Franco (1538) | Lost 0-2 | -171422 |
| 9modern | 148 | Avendano, Alvaro (1469) | Lost 0-2 | -171405 |
| top | average opponent: 1510record: 3-5 | new rating: 1405 | ||
| Grand Prix Rio de Janeiro 2013 (GTC standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 114 | Oliveira, Raphael (1518) | Lost 1-2 | -181482 |
| 3standard | 165 | Barbosa Destri Junior, Vilmar (1499) | Lost 1-2 | -171465 |
| 4standard | 222 | Orellana, Eduardo (1467) | Lost 0-2 | -181447 |
| 5standard | 278 | Pereira, Natanael (1463) | Lost 0-2 | -181429 |
| top | average opponent: 1487record: 0-4 | new rating: 1429 | ||