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Individual Calculations July 2010 |
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| Jayasundara, P K U M Total change: 14.55 | |   |
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| Sri Lanka National B Chess Championship 2010 | Colombo | SRI | 2010-04-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2016 | 1943 | 5.50 | 9 | 1.88 | 15 | 28.20 | |
|  Amarakoon, Naditha | | | 2024 | SRI | 1.00 | 1 | 0.61 | 15 | 9.15 | |  Anuruddha, G C | | | 2148 | SRI | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Kottahachchy, K O V | | | 2017 | SRI | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Dissanayake, R S | | | 2030 | SRI | 0.50 | 1 | 0.12 | 15 | 1.80 | | | Pieris, T D R | | | 2083 | SRI | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Hirimburegama, Yasith | | | 1884 | SRI | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Peiris, T S S | | | 2003 | SRI | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Wijekoon, Chandana | | | 1961 | SRI | 0.50 | 1 | 0.03 | 15 | 0.45 | | | Bandara, P M R L | | | 1995 | SRI | 0.50 | 1 | 0.07 | 15 | 1.05 | |
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) | | | | Sri Lanka National Chess Championship 2010 | Colombo | SRI | 2010-05-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2039 | 1954 | 5.00 | 13 | -0.09 | 15 | -1.35 | |
| | Russell, M K A | | | 2269 | SRI | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Koggala, W S V K | | | 1940 | SRI | 0.00 | 1 | -0.52 | 15 | -7.80 | | | Wijekoon, Chandana | | | 1958 | SRI | 0.00 | 1 | -0.49 | 15 | -7.35 | | | Dissanayake, R S | | | 2030 | SRI | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Amarasena, Kaveesha | | | 1926 | SRI | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Perera, W C C | | | 1963 | SRI | 0.50 | 1 | 0.01 | 15 | 0.15 | | | Peiris, T S S | | | 2003 | SRI | 0.50 | 1 | 0.07 | 15 | 1.05 | | | Bandara, P M R L | | | 1995 | SRI | 1.00 | 1 | 0.56 | 15 | 8.40 | | | Weerawardane, R | | | 2165 | SRI | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Anuruddha, G C | | | 2120 | SRI | 0.00 | 1 | -0.28 | 15 | -4.20 | | | De Silva, Osheen | | | 1948 | SRI | 1.00 | 1 | 0.49 | 15 | 7.35 | | | Athukorala, P M A B | | | 2127 | SRI | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Pieris, T D R | | | 2062 | SRI | 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) | | | | 1st Kandy Open Chess Championship 2010 | Kandy | SRI | 2010-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1653 | 1954 | 4.00 | 5 | -0.22 | 15 | -3.30 | |
| | Pavan, Shiralagi | | | 1554 * | IND | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Rabel, Chinthaka | | | 1760 | SRI | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Sabhareesh, M | | | 1727 | IND | 0.00 | 1 | -0.79 | 15 | -11.85 | | | Kumarasinghe, N H U Ranmudu | | | 1554 * | SRI | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Kumarawadu, Cs | | | 1670 | SRI | 1.00 | 1 | 0.16 | 15 | 2.40 | | | * 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) | | | | Asian Junior Championship | Chennai | IND | 2010-06-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1993 | 1954 | 2.50 | 7 | -0.60 | 15 | -9.00 | |
| | Priyadharshan, K | m | | 2354 * | IND | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Raghunandan, K S | | | 1554 * | IND | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Sahoo, Utkal Ranjan | | | 2231 | IND | 0.50 | 1 | 0.33 | 15 | 4.95 | | | Kaushik, S | | | 2144 | IND | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Shreyans, K Shah | | | 2147 | IND | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Karthik V, Ap | | | 1599 | IND | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Chaithanyaa, K G | | | 1922 | IND | 0.00 | 1 | -0.54 | 15 | -8.10 | | | * 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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