Prawira, Hartono
Current rating: 1441
Record: 49-46-1
| Grand Prix Bangkok 2019 (ELD limited) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 126 | Nilnond, Surathep (1282) | Won 1-0 | +141515 |
| 2sealed | 30 | Rasmussen, Timothy (1549) | Lost 0-2 | -171498 |
| 3sealed | 278 | Nik Rosdi, Nik Hamizie (1448) | Lost 0-2 | -191479 |
| 4sealed | 352 | Liu, Jiaxing (1432) | Lost 1-2 | -191460 |
| 5sealed | 330 | Takahashi, Akira (1411) | Lost 0-2 | -191441 |
| top | average opponent: 1424record: 1-4 | new rating: 1441 | ||
| Grand Prix Singapore 2018 (DOM standard) | starting rating: 1542 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 65 | Lin, Ruizi (1950) | Won 2-1 | +251567 |
| 2standard | 108 | Lim, David (1407) | Won 2-1 | +151582 |
| 3standard | 114 | Wa, Ho (1413) | Lost 0-2 | -211561 |
| 4standard | 193 | Chew Jun, George (1533) | Lost 0-2 | -181543 |
| 5standard | 188 | Stephanos, Billion (1499) | Lost 1-2 | -191524 |
| 6standard | 272 | Zhao, Lei (1405) | Won 2-1 | +161540 |
| 7standard | 186 | Yeh, Shun Wei (1435) | Lost 1-2 | -201520 |
| 8standard | 191 | Mihara, Takuya (1477) | Lost 0-2 | -191501 |
| top | average opponent: 1515record: 3-5 | new rating: 1501 | ||
| Grand Prix Singapore 2017 (XLN limited) | starting rating: 1612 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 112 | Steven Virgo, Denny (1500) | Won 2-1 | +151627 |
| 2sealed | 57 | Benskin, Iwan (1518) | Lost 1-2 | -201607 |
| 3sealed | 138 | Chong, Hosea Tze Foong (1518) | Lost 0-2 | -191588 |
| 4sealed | 238 | Tang, Nicholas (1653) | Lost 0-2 | -171571 |
| 5sealed | 232 | Leow, Shaun (1458) | Won 2-1 | +161587 |
| 6sealed | 207 | Leung, Victor (1447) | Lost 1-2 | -211566 |
| 7sealed | 211 | Cheng, Melvin (1418) | Won 2-0 | +161582 |
| 8sealed | 168 | Lai, Jeremy (1482) | Lost 1-2 | -201562 |
| 9sealed | 184 | Liu, Zuoren (1459) | Lost 1-2 | -201542 |
| top | average opponent: 1495record: 3-6 | new rating: 1542 | ||
| Grand Prix Hong Kong 2017 (XLN limited) | starting rating: 1615 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 109 | Chew, Melvin (1542) | Lost 1-2 | -191596 |
| 2sealed | 212 | Chong, Ernest (1449) | Lost 1-2 | -211575 |
| 3sealed | 331 | Loh, Kelvin (1471) | Won 2-1 | +161591 |
| 4sealed | 257 | Kwok, Steve (1449) | Lost 0-2 | -201571 |
| 5sealed | 329 | Quadflieg, Alexandre (1430) | Won 2-1 | +151586 |
| 6sealed | 278 | Chau, Hei (1484) | Won 2-0 | +161602 |
| 7sealed | 187 | Yan Ho, Mak (1508) | Lost 0-2 | -191583 |
| 8sealed | 247 | Yeung, Wing Fai (1397) | Won 2-0 | +141597 |
| 9sealed | 204 | Wong, Chak Chun (1391) | Won 2-0 | +151612 |
| top | average opponent: 1458record: 5-4 | new rating: 1612 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1656 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 490 | Inoue, Hiromichi (1500) | Won 1-0 | +161672 |
| 2sealed | 219 | Nishibe, Daiki (1536) | Lost 1-2 | -211651 |
| 3sealed | 695 | Takami, Yuta (1517) | Lost 0-2 | -201631 |
| 4sealed | 840 | Mogami, Akihisa (1444) | Won 2-1 | +141645 |
| 5sealed | 759 | Habu, Yoshiaki (1482) | Won 2-0 | +151660 |
| 6sealed | 645 | Okusu, Hiromu (1540) | Won 2-0 | +161676 |
| 7sealed | 446 | Watanabe, Yuuki (1421) | Lost 0-2 | -221654 |
| 8sealed | 580 | Kubota, Muneaki (1636) | Lost 1-2 | -191635 |
| 9sealed | 549 | Ono, Makoto (1513) | Lost 0-2 | -201615 |
| top | average opponent: 1510record: 4-5 | new rating: 1615 | ||
| Grand Prix Manila 2017 (AKH standard) | starting rating: 1660 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 185 | Encarnacion, Alain (1518) | Lost 1-2 | -211639 |
| 2standard | 198 | De Guzman, Serge (1482) | Won 2-0 | +151654 |
| 3standard | 212 | Alba, Alberto Jr. (1598) | Won 2-0 | +171671 |
| 4standard | 127 | Pamintuan, Chesterwin (1432) | Lost 1-2 | -221649 |
| 5standard | 212 | Medrano, Mathew R (1540) | Lost 0-2 | -201629 |
| 6standard | 292 | De Mesa, Vincent (1473) | Won 2-1 | +151644 |
| 7standard | 231 | Abiog, Daryl (1551) | Won 2-0 | +171661 |
| 8standard | 205 | Wong, Wei Quan (1576) | Won 2-0 | +161677 |
| 9standard | 92 | Limsakdakul, Wathanyu (1533) | Lost 1-2 | -211656 |
| top | average opponent: 1522record: 5-4 | new rating: 1656 | ||
| Grand Prix Kuala Lumpur 2016 (KLD standard) | starting rating: 1681 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 73 | Dure, Marco (1484) | Won 2-0 | +151696 |
| 2standard | 10 | Lim, Meng Fu (1516) | Won 2-0 | +151711 |
| 3standard | 94 | Tan, Lun Yi (1732) | Lost 0-0 | -181693 |
| 4standard | 134 | See, Joeshin (1478) | Won 2-0 | +141707 |
| 5standard | 85 | Utsunomiya, Takumi (1548) | Lost 1-2 | -211686 |
| 6standard | 204 | Sito, Yong Kang (1549) | Won 2-0 | +161702 |
| 7standard | 142 | Cai, Jiahui (1566) | Lost 1-2 | -211681 |
| 8standard | 176 | Stipkovich, Scott (1492) | Lost 0-2 | -211660 |
| top | average opponent: 1546record: 4-4 | new rating: 1660 | ||
| Grand Prix Hong Kong 2015 (ORI limited) | starting rating: 1654 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 12 | Redondo, Ruben (1500) | Won 2-0 | +151669 |
| 2sealed | 165 | Yu, Libang (1488) | Won 2-1 | +151684 |
| 3sealed | 190 | He, Bo (1723) | Won 2-0 | +191703 |
| 4sealed | 87 | Zhao, Tianyu (1720) | Won 2-1 | +181721 |
| 5sealed | 140 | Tai, Kei Leung (1831) | Lost 1-2 | -161705 |
| 6sealed | 127 | Lee, Nam San Nelson (1542) | Won 2-0 | +151720 |
| 7sealed | 216 | Kawamata, Daisuke (1568) | Lost 0-2 | -211699 |
| 8sealed | 70 | Tsuruoka, Shouta (1703) | Lost 1-2 | -181681 |
| top | average opponent: 1634record: 5-3 | new rating: 1681 | ||
| Grand Prix Kuala Lumpur 2014 (THS limited) | starting rating: 1514 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 198 | Chew, Fon-Leang (1451) | Won 2-0 | +171531 |
| 2sealed | 218 | Xiao, Rong (1518) | Won 2-1 | +181549 |
| 3sealed | 17 | chee keong, cheng c (1536) | Won 2-0 | +171566 |
| 4sealed | 21 | Tsujikawa, Taiga (1710) | Won 2-1 | +211587 |
| 5sealed | 23 | Nakamura, Atsushi (1858) | Won 2-1 | +231610 |
| 6sealed | 19 | Maglantay, Ranier (1635) | Won 2-1 | +181628 |
| 7sealed | 8 | Hagiwara, Genta (1717) | Lost 0-2 | -161612 |
| 8sealed | 15 | Lee, Christopher [MYS] (1513) | Won 2-1 | +161628 |
| 9sealed | 24 | Yang, Ting Hui (1683) | Lost 1-2 | -171611 |
| 10draft | 42 | Susanto, Reynandi (1543) | Lost 1-2 | -191592 |
| 11draft | 34 | Sorakup, Aekarash (1663) | Won 2-0 | +191611 |
| 12draft | 45 | Dunsford, Denny (1897) | Lost 0-2 | -131598 |
| 13draft | 44 | Susanto, Reynandi (1532) | Won 2-1 | +171615 |
| 14draft | 7 | Soh, Joe (1674) | Won 2-1 | +191634 |
| 15draft | 26 | Mohd Nasir, Mohd Ikmal (1748) | Won 2-1 | +201654 |
| top | average opponent: 1645record: 11-4 | new rating: 1654 | ||
| Grand Prix Singapore 2013 (RTR limited) | starting rating: 1538 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 27 | Gahon, Randolfh Alain (1460) | Lost 0-2 | -201518 |
| 2sealed | 315 | Carr, Zach (1463) | Won 2-0 | +171535 |
| 3sealed | 228 | Mendoza, Edmond (1571) | Won 2-0 | +191554 |
| 4sealed | 228 | Ju, Yaqiong (1500) | Lost 1-2 | -191535 |
| 5sealed | 204 | Chew, Xin Ying (1497) | Lost 1-2 | -191516 |
| 6sealed | 277 | Villaverde, Herlbert (1417) | Won 2-0 | +161532 |
| 7sealed | 191 | chee feng, lam (1504) | Lost 0-2 | -181514 |
| top | average opponent: 1487record: 3-4 | new rating: 1514 | ||
| Grand Prix Manila 2012 (AVR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 199 | Perez II, Alex (1500) | Won 2-0 | +181518 |
| 2standard | 208 | Cantaros, Ivan Edward (1552) | Won 2-1 | +191537 |
| 3standard | 29 | Kim, Ki-young (1538) | Lost 0-2 | -181519 |
| 4standard | 270 | Ordonez, Alejandro (1455) | Lost 1-2 | -201499 |
| 5standard | 394 | Vistro, Carlo (1487) | Won 2-1 | +181517 |
| 6standard | 209 | Sim, Chapman (1657) | Lost 1-2 | -151502 |
| 7standard | 319 | To, Ryan (1499) | Draw 1-1 | 01502 |
| 8standard | 284 | Sakuma, Teejay (1498) | Won 2-1 | +181520 |
| 9standard | 195 | Eden, Robert (1520) | Won 2-0 | +181538 |
| top | average opponent: 1523record: 5-3-1 | new rating: 1538 | ||