Delbuono, Umberto
Current rating: 1584
Record: 29-26-4
| Grand Prix Sao Paulo 2019 (modern) | starting rating: 1541 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 188 | Goncalves Dos Santos, Rodrigo (1789) | Draw 1-1 | +41545 |
| 3modern | 258 | Mattos, Cesar Augusto (1516) | Won 2-0 | +181563 |
| 4modern | 126 | Guerin Zveibil, Jean Rafael (1555) | Won 2-1 | +181581 |
| 5modern | 69 | Bello Lima Pinto, Gabriel (1556) | Draw 1-1 | -11580 |
| 6modern | 157 | Belato, Luciano (1537) | Won 2-1 | +171597 |
| 7modern | 93 | Rodrigues, Thiago (1951) | Lost 0-2 | -111586 |
| 8modern | 177 | Flores, Rolando (1490) | Draw 1-1 | -21584 |
| top | average opponent: 1628record: 3-1-3 | new rating: 1584 | ||
| Grand Prix Prague 2019 (UMA limited) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 847 | Hofmann, Erik (1517) | Draw 1-1 | 01502 |
| 3sealed | 547 | Vardzik, Marek (1681) | Lost 1-2 | -151487 |
| 4sealed | 817 | Hudelmaier, Ralph (1331) | Won 2-0 | +151502 |
| 5sealed | 516 | Wrzesinski, Piotr (1620) | Lost 0-2 | -151487 |
| 6sealed | 715 | Kunachowicz, Piotr (1466) | Won 2-0 | +171504 |
| 7sealed | 528 | Jirka, Tomas (1485) | Won 2-0 | +181522 |
| 8sealed | 352 | Tedeschi, Davide (1579) | Won 2-0 | +191541 |
| top | average opponent: 1526record: 4-2-1 | new rating: 1541 | ||
| Grand Prix London 2018 (RIX limited) | starting rating: 1514 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 194 | Alvarez Cobo, Fernando (1577) | Won 2-1 | +191533 |
| 3sealed | 243 | Eloranta, Joonas (1655) | Won 2-0 | +201553 |
| 4sealed | 127 | Hansen, Martin (1526) | Lost 1-2 | -181535 |
| 5sealed | 457 | Starke, Nathan (1602) | Lost 1-2 | -171518 |
| 6sealed | 538 | Roginski, Tom (1626) | Lost 1-2 | -161502 |
| top | average opponent: 1597record: 2-3 | new rating: 1502 | ||
| Grand Prix Santiago 2017 (AKH standard) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 123 | Rivera, Guillermo (1624) | Lost 0-2 | -161501 |
| 3standard | 243 | Peralta, Leandro (1466) | Won 2-0 | +171518 |
| 4standard | 173 | Barja, Jose (1471) | Lost 0-2 | -181500 |
| 5standard | 197 | Escobar Canete, Felipe (1536) | Won 2-0 | +181518 |
| 6standard | 129 | Canepa Casabo, Adrian (1622) | Won 2-0 | +201538 |
| 7standard | 152 | Vargas Serrate, Marco Antonio (1488) | Won 2-0 | +171555 |
| 8standard | 94 | Concha, Alfonso (1726) | Lost 1-2 | -151540 |
| 9standard | 129 | Visentini, Osvaldo (1487) | Won 2-1 | +171557 |
| 10standard | 353 | Concha, Joshua (1545) | Lost 0-2 | -181539 |
| 11standard | 364 | Sochurek, Petr (2026) | Lost 1-2 | -101529 |
| 12standard | 385 | Rizzo, Jonathan (1660) | Lost 0-2 | -151514 |
| top | average opponent: 1605record: 5-6 | new rating: 1514 | ||
| Grand Prix Santiago 2016 (KLD standard) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 18 | Maldonado, Joaquin (1518) | Lost 0-2 | -181502 |
| 3standard | 204 | Velezmoro, Juan Jose (1470) | Won 2-1 | +171519 |
| 4standard | 211 | Poblete, Hector (1518) | Lost 0-2 | -181501 |
| 5standard | 230 | Huerta, Adrian (1477) | Lost 0-2 | -181483 |
| 6standard | 299 | Rodriguez, Mauricio (1409) | Won 2-0 | +171500 |
| 7standard | 244 | Osorio, Luis Felipe (1503) | Won 2-0 | +181518 |
| 8standard | 128 | Alvarez, Marcos (1527) | Won 0-0 | +181536 |
| 9standard | 122 | Barlaro, Guido (1499) | Lost 1-2 | -191517 |
| top | average opponent: 1490record: 4-4 | new rating: 1517 | ||
| Grand Prix Porto Alegre 2015 (modern) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 84 | Rehfeld Schoen, Pedro (1500) | Won 2-1 | +181522 |
| 2modern | 142 | Sabino, Adolfo (1411) | Won 2-1 | +161538 |
| 3modern | 78 | Volpato, Bruno (1464) | Lost 0-2 | -191519 |
| 4modern | 141 | Cingolani, Julian (1653) | Won 2-0 | +201539 |
| 5modern | 123 | Dominguez, Martin Sebastian (1416) | Lost 0-2 | -201519 |
| 6modern | 209 | Bachmann, Eduardo (1575) | Won 2-0 | +191538 |
| 7modern | 90 | Campos Conti, Rafael (1517) | Won 2-0 | +181556 |
| 8modern | 73 | Cavassin Jayme, Cassius (1540) | Lost 1-2 | -191537 |
| 9modern | 83 | Ferry, Sergio (1570) | Lost 1-2 | -171520 |
| top | average opponent: 1516record: 5-4 | new rating: 1520 | ||
| Grand Prix Santiago 2015 (ORI limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 145 | Moreno, Ignacio (1375) | Lost 0-2 | -201444 |
| 2sealed | 243 | Delzo, Franco (1482) | Lost 1-2 | -171427 |
| 3sealed | 342 | Letelier, Juan Pablo (1430) | Won 2-0 | +181445 |
| 4sealed | 277 | Munoz, Lukas (1482) | Won 2-1 | +191464 |
| 5sealed | 229 | Tapia, Luis Alejandro (1449) | Won 2-0 | +171481 |
| 6sealed | 161 | Lopez, Jonathan (1519) | Won 2-1 | +191500 |
| 7sealed | 120 | Garcia, Ezequiel P (1593) | Won 2-0 | +201520 |
| 8sealed | 54 | Rizzo, Jonathan (1661) | Lost 0-2 | -161504 |
| top | average opponent: 1499record: 5-3 | new rating: 1504 | ||
| Grand Prix Buenos Aires 2015 (DTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 20 | Agasi, Martin (1500) | Lost 0-2 | -181482 |
| 2standard | 192 | Rausch Zanin, German L (1482) | Won 2-0 | +181500 |
| 3standard | 205 | Grinblat, Ezequiel (1485) | Lost 1-2 | -181482 |
| 4standard | 257 | Pena Vergara, Kevin (1484) | Lost 1-2 | -181464 |
| top | average opponent: 1488record: 1-3 | new rating: 1464 | ||