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Rapid:
Individual Calculations September 2021 |
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| Vidrusks, Jekabs Total change: -31.00 | |   |
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| Latvian Rapid championship-2021 | Ventspils | LAT | 2021-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1411 | 1100 | 0.50 | 7 | -1.33 | 20 | -26.60 | |
|  Melderis, Uldis | | | 1835 | LAT | 0.00 | 1 | -0.01 | 20 | -0.20 | |  Mucenieks, Marks | | | 1637 | LAT | 0.00 | 1 | -0.03 | 20 | -0.60 | | | Feldmanis, Kristers | | | 1229 | LAT | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Ikstena, Sarlote | | | 1328 | LAT | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Maklakova, Nellija | | | 1822 | LAT | 0.00 | 1 | -0.01 | 20 | -0.20 | | | Siders, Samuels Stefans | | | 1011 | LAT | 0.00 | 1 | -0.62 | 20 | -12.40 | | | Vidrusks, Arturs | | | 1015 | LAT | 0.50 | 1 | -0.12 | 20 | -2.40 | |
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) | | | | Kuldigas NSS atklatais cempionats 2007-2009 | Kuldiga | LAT | 2021-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1103 | 1089 | 1.50 | 5 | -0.92 | 20 | -18.40 | |
| | Proscenko, Mihails | | | 1071 | LAT | 1.00 | 1 | 0.47 | 20 | 9.40 | | | Feldmanis, Kristers | | | 1263 | LAT | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Steinbergs, Mikelis Karlis | | | 1042 | LAT | 0.00 | 1 | -0.57 | 20 | -11.40 | | | Liepina, Daniela, Nikola | | | 1108 | LAT | 0.00 | 1 | -0.47 | 20 | -9.40 | | | Krumins, Janis | | | 1030 | LAT | 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) | | | | Olaine chess summer for children 2021 A | Olaine | LAT | 2021-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1181 | 1089 | 3.00 | 6 | 0.70 | 20 | 14.00 | |
| | Reiha, Ance | | | 1394 | LAT | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Plauca, Lelde | | | 947 | LAT | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Alionyte, Patricija | | | 1200 | LTU | 1.00 | 1 | 0.65 | 20 | 13.00 | | | Broks, Adrians | | | 1219 | LAT | 0.50 | 1 | 0.18 | 20 | 3.60 | | | Gaidis, Edvards | | | 1175 | LAT | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Kokina, Elizabete | | | 1150 | LAT | 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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