Leyba, Mark
Current rating: 1545
| Grand Prix Melbourne 2018 (GRN limited) | starting rating: 1534 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 127 | Hung, Jason (1562) | Won 2-0 | +191553 |
| 4sealed | 63 | Saeki, Katsuhisa (1900) | Lost 1-2 | -121541 |
| 5sealed | 77 | Noll, Simon (1536) | Won 2-1 | +181559 |
| 6sealed | 83 | Huang, David (1609) | Won 2-0 | +191578 |
| 7sealed | 27 | Aplin, Steven (1771) | Lost 1-2 | -151563 |
| 8sealed | 76 | P, Max (1560) | Lost 1-2 | -181545 |
| top | average opponent: 1656record: 3-3 | new rating: 1545 | ||
| Grand Prix Hartford 2018 (modern) | starting rating: 1551 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 228 | Robillard, Joseph (1533) | Won 2-1 | +181569 |
| 2modern | 392 | Barber, Ian (1883) | Lost 1-2 | -121557 |
| 3modern | 673 | Clement, Joseph (1519) | Won 2-1 | +171574 |
| 4modern | 351 | Bjornstad, Carl (1482) | Won 2-1 | +161590 |
| 5modern | 374 | Cable, Brandon (1540) | Lost 0-2 | -191571 |
| 6modern | 386 | Wark, Kristopher (1531) | Lost 0-2 | -181553 |
| 7modern | 448 | Frey, Richard (1542) | Lost 0-2 | -191534 |
| top | average opponent: 1576record: 3-4 | new rating: 1534 | ||
| Grand Prix Sydney 2003 (MRD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 22 | Bandas, Jim (1484) | Lost 1-2 | -181482 |
| 3sealed | 80 | Harris, Adam M (1500) | Lost 0-2 | -181464 |
| 4sealed | 104 | davies, Tony (1431) | Won 2-0 | +171481 |
| 5sealed | 103 | Lim, Keith (1485) | Won 2-1 | +191500 |
| 6sealed | 83 | Giblett, Craig (1520) | Won 2-1 | +181518 |
| 7sealed | 53 | Dunstan, Matthew (1534) | Won 2-0 | +181536 |
| 8sealed | 39 | Henke, Dan (1502) | Won 2-1 | +181554 |
| 9rochester | 28 | Woodrow, Daniel (1571) | Lost 1-2 | -181536 |
| 10rochester | 20 | Rossberg, Shane (1490) | Won 2-0 | +171553 |
| 11rochester | 7 | Ourselin, Sebastien (1524) | Lost 1-2 | -181535 |
| 12rochester | 5 | Rossberg, Shane (1490) | Won 2-0 | +171552 |
| 13rochester | 14 | Woodrow, Daniel (1568) | Lost 0-2 | -181534 |
| 14rochester | 4 | Wilson, James [AUS] (1499) | Won 2-0 | +171551 |
| top | average opponent: 1508record: 8-5 | new rating: 1551 | ||