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Individual Calculations October 2017 |
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| Brown, Raehanna Total change: 79.60 | |   |
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| XV Festival de Ajedrez Centroamericano y del Caribe Panama 2017 Girls U-12 | Ciudad Panama | PAN | 2017-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1372 | 1272 | 3.50 | 5 | 1.61 | 40 | 64.40 | |
|  Blake, Johmoi | | | 1241 | JAM | 1.00 | 1 | 0.46 | 40 | 18.40 | | | Albor Rebolledo, Andrea | | wc | 1601 | COL | 0.00 | 1 | -0.12 | 40 | -4.80 | | | La Fleur, Zara | | | 1234 | TTO | 1.00 | 1 | 0.45 | 40 | 18.00 | |  Lopez, Isabela | | wc | 1434 | COL | 1.00 | 1 | 0.71 | 40 | 28.40 | | | Greenidge, Vanessa | | | 1349 | BAR | 0.50 | 1 | 0.11 | 40 | 4.40 | |
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 |
| 1609 | 1272 | 1.00 | 5 | 0.38 | 40 | 15.20 | |
| | Barrett, Ariel | | wc | 1672 * | JAM | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Smith, Melisha | | wc | 1671 | JAM | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Ellis, Rahjay | | | 1606 | JAM | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Richards, Shaheem | | | 1573 | JAM | 1.00 | 1 | 0.85 | 40 | 34.00 | | | Blackwood, Ashanti | | | 1524 | JAM | 0.00 | 1 | -0.19 | 40 | -7.60 | | | * 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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