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Individual Calculations April 2008 |
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| Iotov, Valentin Total change: 36.10 | |   |
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| II Open Internacional de Ajedrez Ciudad de Granada | Granada | ESP | 2007-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2456 | 2511 | 5.50 | 8 | 0.95 | 10 | 9.50 | |
|  Urbina Perez, Juan Antonio | | | 2218 | ESP | 1.00 | 1 | 0.15 | 10 | 1.50 | |  Pilaj, Herwig | m | | 2383 | AUT | 0.50 | 1 | -0.17 | 10 | -1.70 | | | Garrido Dominguez, Jesus | f | | 2343 | ESP | 1.00 | 1 | 0.28 | 10 | 2.80 | | | Paunovic, Dragan | g | | 2535 | SRB | 0.50 | 1 | 0.03 | 10 | 0.30 | | | Lorenzini, Martin | | | 2448 | ARG | 1.00 | 1 | 0.41 | 10 | 4.10 | | | Barsov, Alexei | g | | 2526 | UZB | 1.00 | 1 | 0.52 | 10 | 5.20 | | | Damljanovic, Branko | g | | 2608 | SRB | 0.00 | 1 | -0.37 | 10 | -3.70 | | | Korneev, Oleg | g | | 2587 | RUS | 0.50 | 1 | 0.10 | 10 | 1.00 | |
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) | | | | 15th Annual Western Class Championships | Agoura Hills California | USA | 2008-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2362 | 2495 | 3.50 | 5 | 0.17 | 10 | 1.70 | |
| | Beelby, Matthew | f | | 2248 | USA | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Bryant, John | | | 2228 | USA | 0.00 | 1 | -0.82 | 10 | -8.20 | | | Khachiyan, Melikset | g | | 2520 | USA | 0.50 | 1 | 0.03 | 10 | 0.30 | | | Casella, Michael | f | | 2286 | USA | 1.00 | 1 | 0.23 | 10 | 2.30 | | | Sevillano, Enrico | m | | 2526 | USA | 1.00 | 1 | 0.54 | 10 | 5.40 | |
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) | | | | 30th Bulgarian open Championship | Plovdiv | BUL | 2008-02-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2394 | 2495 | 7.50 | 9 | 1.91 | 10 | 19.10 | |
| | Todorov, Angel | | | 2145 | BUL | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Orev, Petar | m | | 2228 | BUL | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Todorov, Ognjan | m | | 2313 | BUL | 1.00 | 1 | 0.26 | 10 | 2.60 | | | Grecescu, Gabriel-Andrei | | | 2383 | ROU | 1.00 | 1 | 0.35 | 10 | 3.50 | | | Karakehajov, Kalin | m | | 2437 | BUL | 0.50 | 1 | -0.08 | 10 | -0.80 | | | Petkov, Vladimir | g | | 2434 | BUL | 1.00 | 1 | 0.42 | 10 | 4.20 | | | Kolev, Atanas | g | | 2572 | BUL | 0.50 | 1 | 0.11 | 10 | 1.10 | | | Nevednichy, Vladislav | g | | 2538 | ROU | 0.50 | 1 | 0.06 | 10 | 0.60 | | | Berescu, Alin | g | | 2498 | ROU | 1.00 | 1 | 0.50 | 10 | 5.00 | |
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) | | | | 7e open international de Rochefort | Rochefort | FRA | 2008-02-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2247 | 2495 | 6.50 | 9 | -0.54 | 10 | -5.40 | |
| | Bonn, Thomas | | | 2169 | FRA | 0.00 | 1 | -0.87 | 10 | -8.70 | | | Nguyen-Huu, Hoang | | | 2145 | FRA | 0.50 | 1 | -0.39 | 10 | -3.90 | | | Iwanesko, Alexandre | | | 2145 | FRA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Hubert, Raphael | | | 2145 | FRA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Reveillere, Christian | | | 2145 | FRA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Babu, Anthony | | | 2145 | FRA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | David, Vincent | f | | 2398 | FRA | 0.50 | 1 | -0.13 | 10 | -1.30 | | | Inkiov, Ventzislav | g | | 2451 | BUL | 1.00 | 1 | 0.44 | 10 | 4.40 | | | Fomichenko, Eduard | m | | 2476 | RUS | 0.50 | 1 | -0.03 | 10 | -0.30 | |
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) | | | | 24.International Chess Festival Open | Bad Woerishofen | GER | 2008-02-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2403 | 2495 | 6.50 | 9 | 1.12 | 10 | 11.20 | |
| | Maugg, Ludwig | | | 2145 | GER | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Ballon, Guenther Jan | f | | 2159 | NED | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Schulz, Michael | | | 2226 | GER | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Georgiev, Vladimir | g | | 2581 | MKD | 0.50 | 1 | 0.12 | 10 | 1.20 | | | Epishin, Vladimir | g | | 2577 | RUS | 0.50 | 1 | 0.11 | 10 | 1.10 | | | Rolle, Eric | | | 2213 | GER | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Borovikov, Vladislav | g | | 2583 | UKR | 0.50 | 1 | 0.12 | 10 | 1.20 | | | Rozentalis, Eduardas | g | | 2567 | LTU | 0.50 | 1 | 0.10 | 10 | 1.00 | | | Drozdovsky, Yuriy | g | | 2574 | UKR | 0.50 | 1 | 0.11 | 10 | 1.10 | |
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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