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Individual Calculations October 2017 |
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| Yankana, Alliyah Total change: -6.80 | |   |
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| XV Festival de Ajedrez Centroamericano y del Caribe Panama 2017 Girls U-16 | Ciudad Panama | PAN | 2017-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1462 | 1427 | 2.00 | 6 | -0.70 | 40 | -28.00 | |
|  Yon Wong, Mai Lyng | | | 1682 | CUB | 0.00 | 1 | -0.19 | 40 | -7.60 | |  Porter, Rochelle | | | 1436 | JAM | 0.00 | 1 | -0.49 | 40 | -19.60 | | | Ali, Amy | | | 1510 | TTO | 0.50 | 1 | 0.11 | 40 | 4.40 | | | Blackwood, Ashanti | | | 1524 | JAM | 0.50 | 1 | 0.13 | 40 | 5.20 | | | Medina Murgado, Lien | | | 1498 | CUB | 0.00 | 1 | -0.40 | 40 | -16.00 | | | Perez Granados, Marian | | | 1121 | CRC | 1.00 | 1 | 0.14 | 40 | 5.60 | |
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) | | | | Harold Chan Open 2017 | Kingston | JAM | 2017-09-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1719 | 1427 | 1.00 | 3 | 0.53 | 40 | 21.20 | |
| | Lungrin, Rashade | | | 1774 | JAM | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Lyn, Christopher | | | 1667 | JAM | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Cameron, Frederick | | | 1715 | JAM | 1.00 | 1 | 0.84 | 40 | 33.60 | |
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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