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Individual Calculations August 2023 |
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| Petrakov, Bogdan Total change: 26.40 | |   |
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| 7th Batumi Int.Municipality Cup (Open C) | Batumi | GEO | 2023-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1240 | 1204 | 4.00 | 7 | 0.82 | 40 | 32.80 | |
|  Kiknavelidze, Vakhtang | | | 1109 | GEO | 1.00 | 1 | 0.37 | 40 | 14.80 | |  Bolashvili, Nikoloz | | | 1410 | GEO | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Manukyan, Sargis Art. | | | 1056 | ARM | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Gelashvili, Ilia | | | 1018 | GEO | 0.50 | 1 | -0.24 | 40 | -9.60 | | | Alalidze, Saba | | | 1395 | GEO | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Pirtskhalaishvili, Lile | | | 1281 | GEO | 1.00 | 1 | 0.61 | 40 | 24.40 | | | Al Subaie, Nasser | | | 1414 | KUW | 0.50 | 1 | 0.27 | 40 | 10.80 | |
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) | | | | Chess Festival Batumi-2023 U-20 | Batumi | GEO | 2023-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1428 | 1204 | 1.00 | 4 | -0.16 | 40 | -6.40 | |
| | Bodnaruk, Kseniya | | | 1803 | FID | 0.00 | 1 | -0.02 | 40 | -0.80 | | | Vasadze, Alexandre | | | 1143 | GEO | 1.00 | 1 | 0.42 | 40 | 16.80 | | | Vasadze, Natia | | | 1267 | GEO | 0.00 | 1 | -0.41 | 40 | -16.40 | | | Gogiashvili, Demetre | | | 1499 | GEO | 0.00 | 1 | -0.15 | 40 | -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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