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Individual Calculations May 2017 |
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| Ngieng, Vivian Total change: 4.40 | |   |
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| World Amateur Female Championship - under 1700 | Spoleto | ITA | 2017-04-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1435 | 1270 | 2.00 | 6 | 0.22 | 20 | 4.40 | |
|  De Souza, Elana Silva | | | 1562 | BRA | 0.00 | 1 | -0.15 | 20 | -3.00 | |  Yarur Rescaglio, Maria Jose | | | 1315 | CHI | 0.50 | 1 | 0.06 | 20 | 1.20 | | | Greeshma, Anand Dhumal | | | 1260 | IND | 0.00 | 1 | -0.51 | 20 | -10.20 | | | Johnson, Elizabeth | | | 1441 | ENG | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Popova, Vilena | | | 1618 | RUS | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Jaramillo, Amparo | | | 1416 | COL | 1.00 | 1 | 0.70 | 20 | 14.00 | |
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) | | |
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