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Individual Calculations July 2011 |
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| Jayasundara, P.k.u.m. Total change: -21.45 | |   |
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| World School Chess Championship 2011 -open 17 | Krakow | POL | 2011-04-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1992 | 1951 | 4.00 | 8 | 0.46 | 15 | 6.90 | |
|  Emiroglu, Cankut | | | 2180 | TUR | 0.50 | 1 | 0.29 | 15 | 4.35 | |  Topak, Engin | f | | 2308 | TUR | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Stankiewicz, Pawel | | | 2075 | POL | 1.00 | 1 | 0.67 | 15 | 10.05 | | | Lewicki, Miroslaw | | | 2138 | POL | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Jastrzebski, Lukasz | | | 1636 | POL | 0.50 | 1 | -0.36 | 15 | -5.40 | | | Sleczka, Bartosz | | | 1895 | POL | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Lewtak, Damian | | | 2113 | POL | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Staron, Piotr | | | 1589 | POL | 1.00 | 1 | 0.10 | 15 | 1.50 | |
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) | | | | 2nd Kandy Open Rating Chess Championship | NICD, Polgolla, Kandy | SRI | 2011-05-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1692 | 1992 | 4.00 | 7 | -1.89 | 15 | -28.35 | |
| | Wettasinha, Vasanta | | | 1766 | SRI | 0.00 | 1 | -0.79 | 15 | -11.85 | | | Jayaratne, J P S S | | | 1592 * | SRI | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Samaraweera, Sankha | | | 1750 | SRI | 0.00 | 1 | -0.80 | 15 | -12.00 | | | Herath, H G Anuja Probodhana | | | 1592 * | SRI | 0.00 | 1 | -0.92 | 15 | -13.80 | | | Budunwela, Tharindu Harshaka | | | 1592 * | SRI | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Senanayaka, P D | | | 1825 | SRI | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Yatanwala, Manushka | | | 1728 | SRI | 1.00 | 1 | 0.18 | 15 | 2.70 | | | * 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) | | |
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