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Individual Calculations September 2019 |
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| De Roo, Patrick J. Total change: 0.00 | |   |
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| Carifta Junior Chess Championships 2019 - U12 - Open | Willemstad | AHO | 2019-04-18 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1128 | 0 | 1.00 | 3 | 0.00 | 1003 | | 0.00 | |
|  Clark, Tarquin | | | 1041 | BAR | 0.00 | 1 | 0.00 | | 0.00 | | | Balliram, Tristan | | | 1325 | TTO | 0.00 | 1 | 0.00 | | 0.00 | |  Lashley, Keon | | | 1019 | BAR | 1.00 | 1 | 0.00 | | 0.00 | |
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) | | | | Panamericano de la Juventud 2019 sub 10 absoluto | Guayaquil | ECU | 2019-07-21 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1202 | 0 | 1.50 | 5 | 0.00 | 1053 | | 0.00 | |
| | Quiroz Alva, Gian Carlo Gabriel | | | 1245 | PER | 1.00 | 1 | 0.00 | | 0.00 | | | Mendoza Inzunza, Miguel Angel | | | 1248 | MEX | 0.00 | 1 | 0.00 | | 0.00 | | | Paladines Pinzon, Samuel | | | 1287 | COL | 0.00 | 1 | 0.00 | | 0.00 | | | Amarilla Ettiene, Ezequiel | | | 1148 | PAR | 0.00 | 1 | 0.00 | | 0.00 | | | Spring Wong, Nicholas Alejandro | | | 1084 | ECU | 0.50 | 1 | 0.00 | | 0.00 | |
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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