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Individual Calculations November 2023 |
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| Petrovs, Arsenijs Total change: 7.20 | |   |
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| Riga Chess Federation open to 1800 VI-2023 | Riga | LAT | 2023-10-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1123 | 1197 | 3.50 | 6 | -0.11 | 40 | -4.40 | |
|  Vascinska, Alina | | | 1035 | LAT | 1.00 | 1 | 0.29 | 40 | 11.60 | |  Aleksejevs, Daniils | | | 1448 | LAT | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Grigorenko, Vladislavs | | | 1028 | LAT | 0.50 | 1 | -0.22 | 40 | -8.80 | | | Vilskersts, Ernests | | | 1075 | LAT | 0.00 | 1 | -0.67 | 40 | -26.80 | | | Lazdina, Keitija | | | 1060 | LAT | 1.00 | 1 | 0.32 | 40 | 12.80 | | | Savins, Semjons | | | 1093 | LAT | 1.00 | 1 | 0.36 | 40 | 14.40 | |
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) | | | | I Latvijas U-20 cempionats 2023 | Riga | LAT | 2023-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1514 | 1197 | 1.00 | 4 | 0.29 | 40 | 11.60 | |
| | Karasevics, Aleksandrs | | | 1718 | LAT | 0.00 | 1 | -0.03 | 40 | -1.20 | | | Kalinin, Oleg | | | 1501 | LAT | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Matisons, Janis Mihaels | | | 1608 | LAT | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Tenis, Kristaps | | | 1228 | LAT | 1.00 | 1 | 0.54 | 40 | 21.60 | |
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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