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Individual Calculations March 2015 |
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| Perera, Tharusha Salinda Total change: -11.60 | |   |
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| Colombo Chess Festival 2015 | Colombo | SRI | 2015-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1347 | 1410 | 4.50 | 7 | 0.55 | 40 | 22.00 | |
|  Perera , Vihini Vimansa | | | 1041 | SRI | 1.00 | 1 | 0.10 | 40 | 4.00 | |  Yatawaka, U Sirinama | | | 1236 | SRI | 0.50 | 1 | -0.23 | 40 | -9.20 | | | Kotuwella, Sashmitha N Bandara | | | 1111 | SRI | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Karunarathna, Chathupa Induwara | | | 1744 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Rathnayake, Nevindi Gihansa | | | 1059 | SRI | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Jeyanthan, Krishna Rahul | | | 1594 | SRI | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Nirmalarajah, S | | | 1647 | SRI | 0.50 | 1 | 0.30 | 40 | 12.00 | |
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 Major Division Chess Championship 2015 Colombo | Colombo | SRI | 2015-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1307 | 1426 | 5.00 | 9 | -0.84 | 40 | -33.60 | |
| | Udagedarachchi, U A Lathika | | | 1026 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | De Silva, Osheen | | | 1826 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Peiris, P Kalindu Anjana | | | 1210 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Perera, Sehath Sanvidu R A D | | | 1111 | SRI | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Weerakoon, D D P | | | 1613 | SRI | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Kumarajeewa, A Thevindu Hasith | | | 1183 | SRI | 0.00 | 1 | -0.80 | 40 | -32.00 | | | Rajendram, Branavan | | | 1236 | SRI | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Gamage, Ovin Vidmal | | | 1324 | SRI | 0.00 | 1 | -0.64 | 40 | -25.60 | | | Shanmuganathan, S | | | 1235 | SRI | 1.00 | 1 | 0.25 | 40 | 10.00 | | | * 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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