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Individual Calculations June 2013 |
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| Willathgamuwa, Rowan Total change: -18.75 | |   |
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| O2C Doeberl Cup Major 2013 | Canberra | AUS | 2013-03-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1663 | 1683 | 3.50 | 6 | 0.34 | 15 | 5.10 | |
|  Cloudsdale, Colin | | | 1990 | AUS | 0.00 | 1 | -0.14 | 15 | -2.10 | |  Anton, Sarah | | | 1747 | AUS | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Gurunathan, Karthik | | | 1574 | AUS | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Crowley, Regan | | | 1485 | AUS | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Bhat, Vishal | | | 1386 | AUS | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Wan, Dennis | | | 1796 | AUS | 0.50 | 1 | 0.15 | 15 | 2.25 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Sydney International Open 2013 | Sydney | AUS | 2013-04-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1858 | 1683 | 1.00 | 6 | -0.83 | 15 | -12.45 | |
| | Willathgamuwa, Kevin | | | 1729 | AUS | 0.50 | 1 | 0.06 | 15 | 0.90 | | | Wei, Michael | | | 2083 * | AUS | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Ayvazyan, Armen | | | 2083 * | AUS | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Zheng, Shucheng | | | 1803 | AUS | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Kuan, Ying Fatt | | | 1781 | HKG | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Dibley, Shane E | | | 1671 | AUS | 0.00 | 1 | -0.52 | 15 | -7.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | WORLD SCHOOL CHESS CHAMPIONSHIPS 2013 - OPEN U11 | Porto Carras - Halkidiki | GRE | 2013-05-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1647 | 1683 | 2.00 | 5 | -0.76 | 15 | -11.40 | |
| | Gadimbayli, Abdulla | f | | 2001 | AZE | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Golikov, Daniil | | | 1758 | RUS | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Shourya, Jain | | | 1411 | IND | 0.00 | 1 | -0.83 | 15 | -12.45 | | | Zyla, Tomasz | | | 1496 | POL | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Golding, Alex | | | 1569 | ENG | 1.00 | 1 | 0.34 | 15 | 5.10 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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