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Individual Calculations July 2023 |
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| Weng, Stephen Total change: 8.80 | |   |
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| 45th Trusts Chess Open C | Auckland | NZL | 2023-06-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1369 | 1014 | 1.00 | 2 | 0.79 | 20 | 15.80 | |
|  Barry, Jacob | | | 1346 | NZL | 1.00 | 1 | 0.88 | 20 | 17.60 | | | Yuan, Hong | | | 1392 | NZL | 0.00 | 1 | -0.09 | 20 | -1.80 | |
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) | | | | 2023 NSCC Championship B 1 | Auckland | NZL | 2023-06-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1264 | 1014 | 0.00 | 1 | -0.19 | 20 | -3.80 | |
| | Zhang, Tim Lifan | | | 1264 | NZL | 0.00 | 1 | -0.19 | 20 | -3.80 | |
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) | | | | Auckland Chess Weekend June 2023 | Auckland | NZL | 2023-06-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1182 | 1014 | 1.00 | 4 | -0.16 | 20 | -3.20 | |
| | Barry, Jacob | | | 1346 | NZL | 0.00 | 1 | -0.12 | 20 | -2.40 | |  Lemuelu, Penani Michael Julius | | | 1169 | NZL | 1.00 | 1 | 0.71 | 20 | 14.20 | | | Nguyen, Kane | | | 1051 | NZL | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Rowe, Abigail | | | 1162 | NZL | 0.00 | 1 | -0.30 | 20 | -6.00 | |
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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