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Individual Calculations March 2019 |
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| Alvarez Ugalde, Isaac Total change: 48.80 | |   |
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| Campeonato Nacional Infantil Absoluto Sub13 2019 | San Jose | CRC | 2019-02-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1248 | 1208 | 3.00 | 4 | 1.22 | 40 | 48.80 | |
|  Araya Tropper, Ariel | | | 1205 | CRC | 1.00 | 1 | 0.50 | 40 | 20.00 | | | Ramirez Madrid, Daniel Alberto | | | 1358 | CRC | 0.00 | 1 | -0.30 | 40 | -12.00 | |  Miranda Villalta, Jose Pablo | | | 1049 | CRC | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Semana Ramirez, Jerian | | | 1381 | CRC | 1.00 | 1 | 0.73 | 40 | 29.20 | |
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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