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Individual Calculations September 2019 |
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| Holdo, Karl Total change: -27.80 | |   |
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| Auckland Chess Centre - Club Champs C Grade | Auckland | NZL | 2019-06-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1410 | 1595 | 5.00 | 8 | -0.69 | 20 | -13.80 | |
|  Park-Tamati, Philli | | | 1472 | NZL | 0.00 | 1 | -0.67 | 20 | -13.40 | |  Liu, Ethan Yichen | | | 1195 * | NZL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Xiao, Kelvin | | | 1195 * | NZL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Burrows, Grant L | | | 1471 | NZL | 0.50 | 1 | -0.17 | 20 | -3.40 | | | Yuan, Jacob | | | 1330 | NZL | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Zheng, Thomas | | | 1319 | NZL | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Wang, Aaron Ziwen | | | 1720 | NZL | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Ning, Isabelle Yixuan | | | 1576 | NZL | 0.00 | 1 | -0.53 | 20 | -10.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | Peter Stuart Memorial B-Grade 2019 | Auckland | NZL | 2019-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1572 | 1608 | 1.50 | 4 | -0.70 | 20 | -14.00 | |
| | Zhang, Boyuan | | | 1455 | NZL | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Hooton, Barry R | | | 1498 | NZL | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Li, Allen | | | 1544 | NZL | 0.00 | 1 | -0.59 | 20 | -11.80 | | | Eade, Don | c | | 1791 | NZL | 0.00 | 1 | -0.26 | 20 | -5.20 | |
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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