Mastilero, Oliver
Current rating: 1749 (#3920)
Record: 51-35-5
| Grand Prix Manila 2017 (AKH standard) | starting rating: 1642 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 56 | Dizon, Stanley (1517) | Won 2-0 | +161658 |
| 2standard | 127 | Nismal, Michael Andrew (1535) | Draw 1-1 | -31655 |
| 3standard | 217 | Park, Young Jin (1568) | Lost 0-2 | -191636 |
| 4standard | 247 | Bibera, Aldrin (1479) | Won 2-0 | +151651 |
| 5standard | 166 | Kwanchaitunya, Sakditat (1621) | Won 2-0 | +171668 |
| 6standard | 109 | Donaire, Alister Bernhard (1534) | Won 2-0 | +161684 |
| 7standard | 67 | Leviste, Mark (1584) | Won 2-0 | +161700 |
| 8standard | 38 | Mendoza, Norbie (1579) | Won 2-1 | +161716 |
| 9standard | 23 | Rala, Rommel (1546) | Won 2-1 | +151731 |
| 10standard | 15 | Rama, Philip Christopher (1827) | Lost 1-2 | -161715 |
| 11standard | 32 | Delmoro, Emmanuel Claro Emerson (1609) | Lost 1-2 | -201695 |
| 12standard | 57 | Salvatierra, Jose Victor (1713) | Draw 1-1 | 01695 |
| 13standard | 73 | Cerda, Zandro (1651) | Won 2-0 | +171712 |
| 14standard | 54 | Limsakdakul, Wathanyu (1579) | Won 2-1 | +161728 |
| 15standard | 38 | Kuo, Tzu-Ching (1914) | Won 2-0 | +211749 |
| top | average opponent: 1617record: 10-3-2 | new rating: 1749 | ||
| Grand Prix Manila 2015 (KTK standard) | starting rating: 1570 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 163 | Marquez, Zavier (1601) | Won 2-0 | +191589 |
| 2standard | 62 | Cacho, Aldrin (1552) | Won 2-1 | +171606 |
| 3standard | 120 | Roman, Ar-Jay (1535) | Won 2-0 | +171623 |
| 4standard | 64 | Lee, Rick Hup Beng (1764) | Lost 1-2 | -161607 |
| 5standard | 194 | De Los Santos, Kerwin (1536) | Won 2-0 | +171624 |
| 6standard | 123 | Juza, Martin (1933) | Draw 1-1 | +61630 |
| 7standard | 87 | Poh, Liang Choong (1594) | Won 2-1 | +171647 |
| 8standard | 59 | Co, Sherdon (1490) | Won 2-0 | +151662 |
| 9standard | 33 | Ubay, Carmelo (1542) | Lost 1-2 | -201642 |
| top | average opponent: 1616record: 6-2-1 | new rating: 1642 | ||
| Grand Prix Hong Kong 2013 (THS limited) | starting rating: 1618 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 13 | Radil, Daniel (1518) | Won 2-0 | +171635 |
| 3sealed | 96 | Lu, Chun Yi (1538) | Lost 0-2 | -201615 |
| 4sealed | 185 | Hai, Xia (1500) | Lost 0-2 | -201595 |
| 5sealed | 323 | Lam, Pui Cheung (1500) | Won 2-0 | +161611 |
| 6sealed | 216 | Fung, Wai Ching (1504) | Lost 0-2 | -201591 |
| 7sealed | 254 | Mo, Him (1503) | Lost 0-2 | -191572 |
| 8sealed | 258 | Zeng, Sizhe (1428) | Won 2-1 | +151587 |
| 9sealed | 194 | Porter, James Serafin (1661) | Lost 1-2 | -171570 |
| top | average opponent: 1519record: 3-5 | new rating: 1570 | ||
| Grand Prix Manila 2012 (AVR standard) | starting rating: 1593 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 176 | Odulio, John (1503) | Won 2-0 | +171610 |
| 3standard | 13 | Caleon, Noel Ace Rex T (1536) | Won 2-1 | +161626 |
| 4standard | 23 | Tang, Stephen Roy (1557) | Won 2-0 | +171643 |
| 5standard | 34 | Hsu, Chao Shung Peter (1596) | Won 2-1 | +171660 |
| 6standard | 20 | Rivas, Raynand (1590) | Lost 1-2 | -191641 |
| 7standard | 61 | Gonzales, Martin Paulo (1525) | Lost 1-2 | -201621 |
| 8standard | 73 | Panizales, Michael O (1555) | Lost 0-2 | -191602 |
| 9standard | 165 | Castaneda, Arvin Sy (1536) | Won 2-0 | +161618 |
| top | average opponent: 1550record: 5-3 | new rating: 1618 | ||
| Grand Prix Kuala Lumpur 2012 (DKA standard) | starting rating: 1575 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 55 | Jan, Julian (1500) | Won 2-0 | +171592 |
| 2standard | 25 | Rozali, Khairul Nizam (1487) | Won 2-1 | +161608 |
| 3standard | 87 | Lee, Ming Tian Bryan (1500) | Lost 0-2 | -201588 |
| 4standard | 162 | Ho, Beng Leong Christopher (1466) | Lost 1-2 | -201568 |
| 5standard | 231 | Coilan, Rimber (1501) | Won 2-1 | +161584 |
| 6standard | 124 | Shualdi, Mohd Sahli (1520) | Won 2-0 | +171601 |
| 7standard | 120 | Madin, Azrin (1522) | Won 2-1 | +171618 |
| 8standard | 41 | Ng, Wayne (1574) | Won 2-0 | +171635 |
| 9standard | 24 | Pisawong, Surapong (1628) | Won 2-1 | +181653 |
| 10standard | 36 | Hiew, Chee Choong (1506) | Draw 1-1 | -31650 |
| 11standard | 27 | Ozaki, Zax (1664) | Lost 1-2 | -181632 |
| 12standard | 33 | Chew, Kelvin (1615) | Lost 0-2 | -181614 |
| 13standard | 37 | Chia, Bing Hong (1661) | Lost 0-2 | -171597 |
| 14standard | 39 | Soh, Kee Choon (1520) | Won 2-0 | +171614 |
| 15standard | 36 | Yan, Tao (1491) | Lost 1-2 | -211593 |
| top | average opponent: 1544record: 8-6-1 | new rating: 1593 | ||
| Grand Prix Singapore 2011 (NPH standard) | starting rating: 1513 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 19 | Yu, Stanley (1577) | Draw 1-1 | +11514 |
| 3standard | 92 | Erlangga, Reza (1431) | Won 2-1 | +171531 |
| 4standard | 124 | Tanyag, Ed Ryan (1520) | Won 2-0 | +181549 |
| 5standard | 67 | Guru, Jena (1508) | Won 2-1 | +171566 |
| 6standard | 27 | Soh, Weng Heng (1777) | Lost 1-2 | -141552 |
| 7standard | 68 | Grafensteiner, Tobias (1838) | Lost 1-2 | -131539 |
| 8standard | 112 | Ng, Shane (1545) | Won 2-0 | +181557 |
| 9standard | 71 | Soh, Lu Wei (1560) | Won 2-1 | +181575 |
| top | average opponent: 1595record: 5-2-1 | new rating: 1575 | ||
| Grand Prix Manila 2010 (ROE standard) | starting rating: 1547 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 36 | Rodriguez, Ryan (1553) | Lost 1-2 | -181529 |
| 5standard | 157 | Demavivas, Arthur (1536) | Lost 1-2 | -181511 |
| 6standard | 207 | Tolentino, Jonee (1518) | Won 2-1 | +191530 |
| 7standard | 157 | Cardenas, Benedict (1609) | Lost 0-2 | -171513 |
| 8standard | 184 | Morales, Villardo Jr C (1524) | Lost 0-2 | -181495 |
| 9standard | 180 | Goo, Jose (1499) | Won 2-0 | +181513 |
| top | average opponent: 1540record: 2-4 | new rating: 1513 | ||
| Grand Prix Kuala Lumpur 2010 (WWK standard) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 131 | Pierre, Sylvain (1546) | Won 2-1 | +191524 |
| 2standard | 27 | Chai, Royce Ming Huang (1728) | Won 2-0 | +211545 |
| 3standard | 61 | Low, Kah Joo (1476) | Lost 0-2 | -191526 |
| 4standard | 152 | Wee, Chong Hiang (1496) | Lost 0-2 | -181508 |
| 5standard | 165 | Yong, Wy Howe (1509) | Won 2-0 | +181526 |
| 6standard | 130 | Kok, Kim Yin (1587) | Won 2-1 | +191545 |
| 7standard | 74 | Atmodihardjo, William (1488) | Won 2-1 | +171562 |
| 8standard | 81 | Wong, Wei Quan (1550) | Won 2-0 | +171579 |
| 9standard | 44 | Ong, Joe Lin (1552) | Won 2-0 | +181597 |
| 10standard | 19 | Loh, Mun Kit (1598) | Won 2-1 | +181615 |
| 11standard | 21 | Tanahashi, Masayasu (1806) | Lost 1-2 | -151600 |
| 12standard | 18 | Tan, Xing Yong (1650) | Lost 0-2 | -171583 |
| 13standard | 33 | Seow, Qian Jie (1582) | Lost 1-2 | -181565 |
| 14standard | 40 | Chio, Ben (1565) | Lost 0-2 | -181547 |
| top | average opponent: 1581record: 8-6 | new rating: 1547 | ||
| Grand Prix Manila 2008 (Lorwyn block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 150 | Daguman, Alexander (1500) | Won 2-1 | +181518 |
| 2block | 154 | Bautista, Alex (1518) | Won 2-0 | +181536 |
| 3block | 60 | Nieva, Erwin (1536) | Lost 0-2 | -181518 |
| 4block | 143 | Garcia, Rhouievar (1518) | Won 2-1 | +181536 |
| 5block | 51 | Umil, Mark (1536) | Won 2-0 | +181554 |
| 6block | 50 | Lim, Edwin Voon Fei (1619) | Lost 1-2 | -171537 |
| 7block | 70 | Feng, Bao (1630) | Lost 0-2 | -161521 |
| 8block | 107 | Tiong, Chris (1632) | Lost 0-2 | -161505 |
| top | average opponent: 1561record: 4-4 | new rating: 1505 | ||