Jaro, John
Current rating: 1474
Record: 13-14-2
| Grand Prix Manila 2017 (AKH standard) | starting rating: 1510 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 46 | Muhammad, Ronald (1472) | Lost 1-2 | -191491 |
| 4standard | 157 | Jbeili, Reginald (1624) | Lost 0-2 | -161475 |
| 5standard | 183 | Bulawan, Jefferson (1452) | Won 2-0 | +181493 |
| 6standard | 164 | Lim, Rey (1504) | Lost 1-2 | -181475 |
| 7standard | 179 | Ng, Ryan (1485) | Won 2-1 | +181493 |
| 8standard | 189 | Ong, Noel (1432) | Lost 0-2 | -191474 |
| top | average opponent: 1495record: 2-4 | new rating: 1474 | ||
| Grand Prix Manila 2015 (KTK standard) | starting rating: 1535 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 460 | Tadeo, Francis (1500) | Won 2-0 | +171552 |
| 2standard | 561 | Caquioa, Enrique Ray (1482) | Lost 1-2 | -191533 |
| 3standard | 351 | Salcedo, Carlos (1503) | Won 2-0 | +181551 |
| 4standard | 199 | Almendral, Adrian Karlo (1536) | Won 2-0 | +171568 |
| 5standard | 123 | Del Rosario, Simone (1508) | Lost 1-2 | -191549 |
| 6standard | 337 | Emboltura, Jeh (1518) | Won 2-1 | +181567 |
| 7standard | 177 | Luces, Jonathan Justin (1603) | Lost 0-2 | -181549 |
| 8standard | 248 | Purificacion, Frangelico (1384) | Lost 1-2 | -211528 |
| 9standard | 273 | De Mesa, Vincent (1486) | Lost 0-2 | -181510 |
| top | average opponent: 1502record: 4-5 | new rating: 1510 | ||
| Grand Prix Kuala Lumpur 2010 (WWK standard) | starting rating: 1559 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 31 | See, Kenny (1500) | Lost 0-2 | -201539 |
| 2standard | 156 | Cardoso, Ricardo (1568) | Won 2-0 | +191558 |
| 3standard | 95 | Chew, Jordan (1482) | Won 2-1 | +171575 |
| 4standard | 159 | Lee, Christopher [MYS] (1518) | Lost 0-2 | -191556 |
| 5standard | 151 | Mohd Khairul Anuar, Abdul Aziz (1498) | Lost 1-2 | -191537 |
| 6standard | 179 | Wan, Wai Kit (1482) | Won 2-0 | +171554 |
| 7standard | 156 | Cai, Shaoken (1527) | Lost 0-2 | -191535 |
| top | average opponent: 1511record: 3-4 | new rating: 1535 | ||
| Grand Prix Manila 2008 (Lorwyn block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 73 | Aquino, Sherwin (1518) | Won 2-0 | +181518 |
| 3block | 51 | Yang, Joshua (1615) | Lost 0-2 | -161502 |
| 4block | 163 | Pablo, Mark Anthony (1518) | Won 2-1 | +181520 |
| 5block | 81 | Madrid, Daven Rae (1536) | Won 2-0 | +191539 |
| 6block | 66 | Obed, Joseph Martin (1507) | Won 2-0 | +171556 |
| 7block | 36 | Santos, Clark (1622) | Draw 1-1 | +11557 |
| 8block | 27 | Herbig, Michael (1626) | Draw 1-1 | +21559 |
| top | average opponent: 1563record: 4-1-2 | new rating: 1559 | ||