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Individual Calculations December 2023 |
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| Arkell, Keith C Total change: 8.50 | |   |
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| BENIDORM CHESS OPEN A | Benidorm (Alicante) | ESP | 2023-10-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2241 | 2355 | 6.00 | 9 | 0.26 | 10 | 2.60 | |
|  Floris, Federico | | | 2081 | ITA | 1.00 | 1 | 0.17 | 10 | 1.70 | |  Grabuzova, Tatiana | | wg | 2173 | ESP | 1.00 | 1 | 0.26 | 10 | 2.60 | | | Chkhaidze, Nikoloz | f | | 2262 | GEO | 1.00 | 1 | 0.37 | 10 | 3.70 | | | Sonis, Francesco | g | | 2564 | ITA | 0.00 | 1 | -0.23 | 10 | -2.30 | | | Ilinca, Felix-Antonio | c | | 2331 | ROU | 0.50 | 1 | -0.03 | 10 | -0.30 | | | Morchiashvili, Bachana | m | | 2308 | GEO | 0.00 | 1 | -0.57 | 10 | -5.70 | | | Amundsen, Ask | | | 1956 | NOR | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Nava Pereda, Carlos | f | | 2182 | ESP | 1.00 | 1 | 0.27 | 10 | 2.70 | | | Ezra, Paul Chambers | f | | 2313 | BDI | 0.50 | 1 | -0.06 | 10 | -0.60 | |
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) | | | | OPEN INTERNACIONAL DE AJEDREZ CAP NEGRET 50 | Altea (Alicante) | ESP | 2023-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2034 | 2362 | 7.50 | 8 | 0.59 | 10 | 5.90 | |
| | Aird, Ian | | | 1962 * | SCO | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Vigdal, Per Kr | | | 1856 | NOR | 1.00 | 1 | 0.04 | 10 | 0.40 | | | Hellen, Bo Erik | | | 2037 | FIN | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Madina Yadarola, Martin | f | | 2093 | ESP | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Thanke, Bror | | | 2059 | NOR | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Pastor Pons, Pedro Maria | | | 2081 | ESP | 1.00 | 1 | 0.16 | 10 | 1.60 | | | De Santis, Alessio | f | | 2183 | ITA | 0.50 | 1 | -0.23 | 10 | -2.30 | | | Daneri, Martin | c | | 2004 | ARG | 1.00 | 1 | 0.10 | 10 | 1.00 | | | * 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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