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Individual Calculations July 2023 |
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| Barry, Jacob Total change: -5.60 | |   |
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| 45th Trusts Chess Open C | Auckland | NZL | 2023-06-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1093 | 1346 | 1.00 | 2 | -0.61 | 20 | -12.20 | |
|  Weng, Stephen | | | 1014 | NZL | 0.00 | 1 | -0.88 | 20 | -17.60 | |  Zhou, Martin | | | 1172 | NZL | 1.00 | 1 | 0.27 | 20 | 5.40 | |
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) | | | | ACC Winter Cup 2023 1 | Auckland | NZL | 2023-06-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1557 | 1346 | 0.00 | 1 | -0.23 | 20 | -4.60 | |
| | Sun, Wanyao Sarah | | | 1557 | NZL | 0.00 | 1 | -0.23 | 20 | -4.60 | |
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) | | | | Auckland Chess Weekend June 2023 | Auckland | NZL | 2023-06-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1304 | 1346 | 4.00 | 6 | 0.56 | 20 | 11.20 | |
| | Weng, Stephen | | | 1014 | NZL | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Membrere, Briene | | | 1801 | NZL | 0.00 | 1 | -0.06 | 20 | -1.20 | | | Rowe, Abigail | | | 1162 | NZL | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Koptev, Ivan | | | 1221 | NZL | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Preeyansh, Roul | | | 1449 | IND | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Lau, Great Boyou | | | 1175 | NZL | 1.00 | 1 | 0.27 | 20 | 5.40 | |
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) | | |
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