Arellano, Efren
Current rating: 1193
Record: 5-25-1
| Grand Prix Las Vegas 2019 (limited) (MH1 limited) | starting rating: 1235 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1185 | Bachicha, Lane (1389) | Lost 0-2 | -151220 |
| 2sealed | 1221 | Paradise, Cory (1482) | Lost 0-2 | -141206 |
| 3sealed | 1223 | Johnson, Dwight (1466) | Lost 0-2 | -131193 |
| top | average opponent: 1446record: 0-3 | new rating: 1193 | ||
| Grand Prix Las Vegas 2019 (modern) (modern) | starting rating: 1272 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1188 | Lewis, Ben (1385) | Lost 0-2 | -161256 |
| 2modern | 1204 | Twoteeth-Soto, Joseph (1463) | Lost 0-2 | -141242 |
| 3modern | 1231 | Schmelz, Donald (1465) | Lost 0-2 | -141228 |
| 4modern | 1227 | Mullin, Troy (1445) | Won 2-0 | +211249 |
| 5modern | 1223 | Luis, Steven (1430) | Lost 0-2 | -141235 |
| top | average opponent: 1438record: 1-4 | new rating: 1235 | ||
| Grand Prix Denver 2017 (HOU standard) | starting rating: 1341 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 325 | Kabler, Drake (1451) | Lost 0-1 | -161325 |
| 2standard | 291 | Sturgis, Kirk (1506) | Lost 0-2 | -151310 |
| 3standard | 500 | Strempke, Daniel (1531) | Lost 0-2 | -141296 |
| 4standard | 530 | Combest, Anthony (1441) | Won 2-1 | +211317 |
| 5standard | 518 | Preston, Daniel (1439) | Lost 1-2 | -161301 |
| 6standard | 476 | Cyze, David (1499) | Lost 0-2 | -141287 |
| 7standard | 442 | Ricks, Marc (1428) | Lost 0-2 | -161271 |
| 8standard | 384 | Luttrell Jr, Stephen (1295) | Draw 1-1 | +11272 |
| top | average opponent: 1449record: 1-6-1 | new rating: 1272 | ||
| Grand Prix Las Vegas 2017 (limited) (AKH limited) | starting rating: 1421 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2166 | Romero, Henry (1852) | Lost 1-2 | -101411 |
| 2sealed | 2150 | Hatch, David (1479) | Won 2-1 | +191430 |
| 3sealed | 2155 | Roth, Gregory (1379) | Lost 0-2 | -191411 |
| 4sealed | 2177 | Dodson, Tom (1419) | Lost 0-2 | -181393 |
| 5sealed | 2182 | Harper, Jonathan (1447) | Lost 1-2 | -171376 |
| 6sealed | 2174 | Gray, Shane (1371) | Won 2-1 | +181394 |
| 7sealed | 2167 | [anonymous] | Lost 0-2 | -181376 |
| 8sealed | 2143 | Dugal, Louis-Philippe (1393) | Lost 1-2 | -181358 |
| 9sealed | 2134 | Roylance, Rossetta (1427) | Lost 0-2 | -171341 |
| top | average opponent: 1460record: 2-7 | new rating: 1341 | ||
| Grand Prix Las Vegas 2017 (legacy) (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 2118 | Niewola, Matthew (1500) | Lost 0-2 | -181482 |
| 2legacy | 2145 | Noblejas, Edsel (1482) | Lost 1-2 | -181464 |
| 3legacy | 2188 | Maddalena, Todd (1463) | Lost 0-2 | -181446 |
| 4legacy | 2188 | Sill, Joel (1446) | Lost 0-2 | -181428 |
| 5legacy | 2189 | Brown, Joel (1269) | Won 2-0 | +151443 |
| 6legacy | 2179 | Beardsley, Ted (1226) | Lost 0-2 | -221421 |
| top | average opponent: 1398record: 1-5 | new rating: 1421 | ||