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Individual Calculations February 2017 |
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| Guevara Cornejo, Gabriel Total change: 38.80 | |   |
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| Campeonato Nacional Infantil Sub12 2017 | San Jose | CRC | 2017-01-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1264 | 1271 | 3.00 | 4 | 0.97 | 40 | 38.80 | |
|  Nunez Okubo, Isao | c | | 1382 | CRC | 0.50 | 1 | 0.15 | 40 | 6.00 | |  Ramirez Madrid, Daniel Alberto | | | 1326 | CRC | 1.00 | 1 | 0.58 | 40 | 23.20 | | | Semana Ramirez, Jerian | | | 1120 | CRC | 0.50 | 1 | -0.20 | 40 | -8.00 | | | Jimenez Navarro, Diego | | | 1227 | CRC | 1.00 | 1 | 0.44 | 40 | 17.60 | |
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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