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Individual Calculations October 2017 |
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| Christie, Joshua Total change: 180.12 | |   |
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| XV Festival de Ajedrez Centroamericano y del Caribe Panama 2017 U-16 | Ciudad Panama | PAN | 2017-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1922 | 1982 | 7.00 | 9 | 1.98 | 38 | 75.24 | |
|  Razark, Zaakir | | | 1582 * | TTO | 1.00 | 1 | 0.08 | 38 | 3.04 | |  Mejias Nunez, Rafael E. | | | 1779 | PUR | 1.00 | 1 | 0.24 | 38 | 9.12 | | | Escalona Landi, Samid Eduardo | c | | 1985 | VEN | 0.50 | 1 | 0.00 | 38 | 0.00 | | | Sun Chin, Robert Patrick | c | | 2143 | PAN | 0.50 | 1 | 0.21 | 38 | 7.98 | | | Araujo Sanchez, Josue | | | 2110 | DOM | 1.00 | 1 | 0.67 | 38 | 25.46 | | | McDonald, Jhustice-Dimonte | | | 1676 | JAM | 1.00 | 1 | 0.14 | 38 | 5.32 | | | Amaro Alfonso, Raynner | f | | 2212 | CUB | 0.00 | 1 | -0.21 | 38 | -7.98 | | | Munoz, Juan David | f | | 2137 | COL | 1.00 | 1 | 0.71 | 38 | 26.98 | | | Marina Santana, Cristian M. | | | 1670 | PUR | 1.00 | 1 | 0.14 | 38 | 5.32 | | | * 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) | | | | St. Jago Open 2017 [Open] | Spanish Town | JAM | 2017-09-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1893 | 1982 | 5.00 | 5 | 1.96 | 38 | 74.48 | |
| | Roberts, Rohan | | | 1698 | JAM | 1.00 | 1 | 0.16 | 38 | 6.08 | | | Smith, Annesha | | wc | 1748 | JAM | 1.00 | 1 | 0.21 | 38 | 7.98 | | | Christie, Michael | | | 1856 | JAM | 1.00 | 1 | 0.33 | 38 | 12.54 | | | Curriah, Malik | | | 1996 | JAM | 1.00 | 1 | 0.52 | 38 | 19.76 | | | Davy, Damion | f | | 2169 | JAM | 1.00 | 1 | 0.74 | 38 | 28.12 | |
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 |
| 1823 | 1982 | 3.50 | 4 | 0.80 | 38 | 30.40 | |
| | Ellis, Rahjay | | | 1606 | JAM | 1.00 | 1 | 0.09 | 38 | 3.42 | | | Bain, Emile | | | 1660 | JAM | 1.00 | 1 | 0.13 | 38 | 4.94 | | | Richards, Deborah | | wm | 2027 | JAM | 1.00 | 1 | 0.56 | 38 | 21.28 | | | James, Stuart | | | 1998 | JAM | 0.50 | 1 | 0.02 | 38 | 0.76 | |
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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