Individual Calculations September 2021 |
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Witkowski, Krzysztof Total change: -18.40 | | |
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57th Akiba Rubinstein Chess Festival - OPEN D | Polanica-Zdroj | POL | 2021-08-14 |
Rc | Ro | w | n | change | K | K*chg | Game |
1549 | 1776 | 3.00 | 5 | -0.92 | 20 | -18.40 | |
| Kedrzynski, Adam | | | 1473 | POL | 1.00 | 1 | 0.14 | 20 | 2.80 | | Karpinski, Andrzej | | | 1581 | POL | 0.50 | 1 | -0.25 | 20 | -5.00 | | Hryn, Zofia | | | 1592 | POL | 0.50 | 1 | -0.24 | 20 | -4.80 | | Rosa, Antoni | | | 1577 | POL | 0.50 | 1 | -0.26 | 20 | -5.20 | | Lochina, Justyna | | | 1524 | POL | 0.50 | 1 | -0.31 | 20 | -6.20 | | 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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