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Individual Calculations October 2018 |
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| Guevara Cornejo, Gabriel Total change: 18.00 | |   |
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| Campeonato Nacional Infantil Sub 13 Absoluto 2018 | Cartago | CRC | 2018-09-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1465 | 1340 | 2.00 | 4 | 0.45 | 40 | 18.00 | |
|  Rojas Mora, Jose Elias | | | 1208 | CRC | 1.00 | 1 | 0.32 | 40 | 12.80 | |  Shih Gould, Danny | f | | 1740 * | CRC | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Mena Brenes, Deivid | | | 1192 | CRC | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Nunez Okubo, Isao | c | | 1720 | CRC | 0.00 | 1 | -0.09 | 40 | -3.60 | | | * 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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