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Individual Calculations September 2023 |
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| Ruck, Helmut Total change: 15.80 | |   |
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| tschaturanga Sommer Cup 2023 Group B Round 3-6 | Vienna | AUT | 2023-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1614 | 1650 | 2.00 | 3 | 0.36 | 20 | 7.20 | |
|  Kurtulush, Emre | | | 1567 | AUT | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Bieber, Herbert | | | 1627 | AUT | 1.00 | 1 | 0.47 | 20 | 9.40 | | | Roehrbacher, Franz | | | 1649 | AUT | 0.50 | 1 | 0.00 | 20 | 0.00 | |
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) | | | | 2. Wiener Amateurschachklub Open 2023 Gruppe B | Vienna | AUT | 2023-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1729 | 1651 | 2.00 | 4 | 0.43 | 20 | 8.60 | |
|  Reisinger, Heinz | | | 1763 | AUT | 0.50 | 1 | 0.15 | 20 | 3.00 | | | Jirovec, Peter | | | 1669 | AUT | 1.00 | 1 | 0.53 | 20 | 10.60 | | | Abadjian, Vahram | | | 1758 | AUT | 0.50 | 1 | 0.15 | 20 | 3.00 | | | Birg, Jovan | | | 1727 | AUT | 0.00 | 1 | -0.40 | 20 | -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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