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Individual Calculations September 2021 |
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| Spiridovskis, Rafaels Total change: -27.20 | |   |
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| Riga Technical University Open 2021 - Tournament B&Y | Riga | LAT | 2021-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1554 | 1437 | 2.00 | 5 | 0.10 | 40 | 4.00 | |
|  Laimins, Lauris | | | 1837 * | LAT | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Jeronovics, Toms | | | 1080 | LAT | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Mikelsons, Mikelis-Emils | | | 1837 * | LAT | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Kruusiauk, Heda | | | 1726 | EST | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Steiners, Emils | | | 1292 | LAT | 1.00 | 1 | 0.31 | 40 | 12.40 | | | * 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) | | | | Latvian Youth Chess Championship B-14 2021 | Riga | LAT | 2021-08-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1328 | 1437 | 3.00 | 6 | -0.78 | 40 | -31.20 | |
| | Scadilovs, Vsevolods | | | 1117 | LAT | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Zajakins, Artjoms | | | 1475 | LAT | 0.00 | 1 | -0.45 | 40 | -18.00 | | | Paikens, Reinis | | | 1194 | LAT | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Germanovs, Georgijs | | | 1598 | LAT | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Pavlovs, Ostins | | | 1195 | LAT | 0.50 | 1 | -0.30 | 40 | -12.00 | | | Adamovics, Aleksejs | | | 1390 | LAT | 0.50 | 1 | -0.07 | 40 | -2.80 | |
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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