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Individual Calculations July 2023 |
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| Powlesland, Brogan Total change: -8.40 | |   |
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| 45th Trusts Chess Open B | Auckland | NZL | 2023-06-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1547 | 1365 | 2.00 | 5 | 0.62 | 40 | 24.80 | |
|  Mukkattu, Philip | | | 1509 | NZL | 1.00 | 1 | 0.69 | 40 | 27.60 | |  Mironov, Eric | | | 1552 | NZL | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Wells, Clinton A | | | 1649 | NZL | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Gilmour, Mark | | | 1659 | NZL | 0.50 | 1 | 0.35 | 40 | 14.00 | | | Holdo, Karl | | | 1368 | NZL | 0.00 | 1 | -0.50 | 40 | -20.00 | |
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) | | | | ACC Winter Cup 2023 1 | Auckland | NZL | 2023-06-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1593 | 1365 | 0.00 | 1 | -0.21 | 40 | -8.40 | |
| | Lewis, Jordan | | | 1593 | NZL | 0.00 | 1 | -0.21 | 40 | -8.40 | |
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) | | | | Auckland Chess Weekend June 2023 | Auckland | NZL | 2023-06-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1258 | 1365 | 2.50 | 5 | -0.62 | 40 | -24.80 | |
| | Tang, Kevin | | | 1055 | NZL | 0.00 | 1 | -0.86 | 40 | -34.40 | | | Bengali, Enay | | | 1360 | NZL | 0.50 | 1 | -0.01 | 40 | -0.40 | | | Nguyen, Kane | | | 1051 | NZL | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Koptev, Ivan | | | 1221 | NZL | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Xu, Luna Yuexiu | | | 1601 | NZL | 0.00 | 1 | -0.20 | 40 | -8.00 | |
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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