Rapid:
Individual Calculations December 2017 |
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Lopez Bustos, David Total change: -9.00 | | |
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I Torneo Unidos por el Ajedrez Sub14 2017 | Alajuela | CRC | 2017-11-11 |
Rc | Ro | w | n | change | K | K*chg | Game |
1213 | 1325 | 1.50 | 3 | -0.45 | 20 | -9.00 | |
| Barboza Viquez, Martin Eduardo | | | 1248 | CRC | 1.00 | 1 | 0.39 | 20 | 7.80 | | Sandi Quiros, Deborah | | | 1125 | CRC | 0.00 | 1 | -0.76 | 20 | -15.20 | | Barquero Alfaro, Alejandro | | | 1265 | CRC | 0.50 | 1 | -0.08 | 20 | -1.60 | | 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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