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Individual Calculations October 2017 |
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| Dabarera, G W D M Total change: -13.25 | |   |
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| 3rd Negombo Chess Festival 2017 | Negombo, Sri lanka | SRI | 2017-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1513 | 1730 | 6.00 | 9 | -0.50 | 25 | -12.50 | |
|  Rashmika, A P L Amodh | | | 1330 * | SRI | 1.00 | 1 | 0.08 | 25 | 2.00 | |  Kulathilake, S M M P | | | 1330 * | SRI | 1.00 | 1 | 0.08 | 25 | 2.00 | | | Abhayarathne, K A K P | | | 1365 | SRI | 1.00 | 1 | 0.10 | 25 | 2.50 | | | Nanayakkara, J A K Saranath | | | 1966 | SRI | 0.00 | 1 | -0.20 | 25 | -5.00 | | | Jayawickrama, U W R K | | | 1330 * | SRI | 0.50 | 1 | -0.42 | 25 | -10.50 | | | Arachchi, C S A | | | 1330 * | SRI | 1.00 | 1 | 0.08 | 25 | 2.00 | | | Martinus, Hettiarachchige Don Ch | | | 1330 * | SRI | 1.00 | 1 | 0.08 | 25 | 2.00 | | | Weerakoon, D D P | | | 1626 | SRI | 0.50 | 1 | -0.14 | 25 | -3.50 | | | Subasinghe, K R V R | | | 2014 | SRI | 0.00 | 1 | -0.16 | 25 | -4.00 | | | * 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) | | | | 8th Kandy Open International Rating Chess Championship 2017 | Kandy | SRI | 2017-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1451 | 1730 | 7.50 | 10 | -0.63 | 25 | -15.75 | |
| | Ranaweera, Y H Gaya Ravindu | | | 1330 * | SRI | 1.00 | 1 | 0.08 | 25 | 2.00 | | | Pranouve, S S | | | 1330 * | SRI | 1.00 | 1 | 0.08 | 25 | 2.00 | | | Sivathanujan, S | | | 1423 | SRI | 0.00 | 1 | -0.86 | 25 | -21.50 | | | Welangalla, Nenitha | | | 1330 * | SRI | 0.50 | 1 | -0.42 | 25 | -10.50 | | | Tennakoon, Lisara Samadhith | | | 1330 * | SRI | 1.00 | 1 | 0.08 | 25 | 2.00 | | | Idirisinghe, I M N H | | | 1437 | SRI | 1.00 | 1 | 0.15 | 25 | 3.75 | | | Savinda, Yasas | | | 1487 | SRI | 1.00 | 1 | 0.20 | 25 | 5.00 | | | Munasinghe, Shanaka | | | 1821 | SRI | 0.00 | 1 | -0.38 | 25 | -9.50 | | | Naushad, Thalaal | | | 1461 | SRI | 1.00 | 1 | 0.17 | 25 | 4.25 | | | Mahinthan, Kanagasabai | | | 1558 | SRI | 1.00 | 1 | 0.27 | 25 | 6.75 | | | * 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) | | | | 2nd West Asian Youth Chess Championship 2017 | Waskaduwa | SRI | 2017-09-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1562 | 1648 | 6.00 | 9 | 0.60 | 25 | 15.00 | |
| | Perera, Vihini Vimansa | | | 1248 * | SRI | 1.00 | 1 | 0.08 | 25 | 2.00 | | | Mathes Arachchi, Bhanila M | | | 1364 | SRI | 1.00 | 1 | 0.16 | 25 | 4.00 | | | Withanarachchi, W A P I | | | 1382 | SRI | 1.00 | 1 | 0.18 | 25 | 4.50 | | | Theekshana, H G Denuwan | | | 1889 | SRI | 1.00 | 1 | 0.80 | 25 | 20.00 | | | Chandreyee, Hajra | | wc | 1997 | IND | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Liyanage, Ranindu Dilshan | | | 1845 | SRI | 0.50 | 1 | 0.25 | 25 | 6.25 | | | Perera, D Upashan L | | | 1383 | SRI | 0.50 | 1 | -0.32 | 25 | -8.00 | | | Sivathanujan, S | | | 1423 | SRI | 0.50 | 1 | -0.28 | 25 | -7.00 | | | De Silva, L M S T | | | 1531 | SRI | 0.50 | 1 | -0.16 | 25 | -4.00 | | | * 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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