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Individual Calculations May 2021 |
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| Petrusic, Velimir Total change: -19.20 | |   |
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| Belgrade Spring Chess Festival 2021 - International Open | Beograd | SRB | 2021-04-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2078 | 2110 | 2.00 | 5 | -0.73 | 20 | -14.60 | |
|  Bagas, Ana | | | 1710 * | SRB | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Sturt, Raven | m | | 2490 | USA | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Mitrovic, Stefan | | | 1860 | SRB | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Draskovic, Luka | m | | 2472 | MNE | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Milosevic, Marko Z | | | 1857 | SRB | 0.00 | 1 | -0.81 | 20 | -16.20 | | | * 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) | | | | Third Saturday Mix 200 | Novi Sad | SRB | 2021-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2315 | 2110 | 0.50 | 8 | -1.47 | 20 | -29.40 | |
| | Davtyan, Artur | m | | 2457 | ARM | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Laketic, Gojko | m | | 2345 | SRB | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Savitha, Shri B | | wf | 2261 | IND | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Dragojlovic, Andjelko | m | | 2259 | SRB | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Sreyas, Payyappat | | | 2150 | IND | 0.50 | 1 | 0.06 | 20 | 1.20 | | | Drazic, Sinisa | g | | 2366 | SRB | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Lazic, Miroljub | g | | 2353 | SRB | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Omorjan, Dejan | f | | 2329 | SRB | 0.00 | 1 | -0.22 | 20 | -4.40 | |
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) | | | | Medjunarodni Kup Vojvodine 2021 | Kac | SRB | 2021-04-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2135 | 2110 | 3.50 | 5 | 1.24 | 20 | 24.80 | |
| | Haznedaroglu, Meltem | | | 1710 * | TUR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Popchev, Milko | g | | 2229 | BUL | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Pecelj, Nedeljko | | | 2117 | SRB | 1.00 | 1 | 0.51 | 20 | 10.20 | | | Saric, Sinisa | m | | 2409 | SRB | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Popovic, Zoran M | | | 2210 | SRB | 1.00 | 1 | 0.64 | 20 | 12.80 | | | * 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) | | |
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