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Individual Calculations December 2019 |
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| Vaquero, Roberto Total change: 0.00 | |   |
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| VIII Panamericano Individual de Ajedrez IBCA Costa Rica 2019 | San Jose | CRC | 2019-10-30 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1412 | 0 | 1.00 | 4 | 0.00 | 1219 | | 0.00 | |
|  Gamboa Mora, Rolando | | | 1466 | CRC | 1.00 | 1 | 0.00 | | 0.00 | |  Telles, Rigoberto | | | 1226 | CRC | 0.00 | 1 | 0.00 | | 0.00 | | | Leyton Calderon, Jairo Oswaldo | | | 1539 | NCA | 0.00 | 1 | 0.00 | | 0.00 | | | Aceituno Ramirez, Stebe Josue | | | 1416 | GUA | 0.00 | 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) | | |
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