Kostelny, Pavel
Current rating: 1306
Record: 11-26
| Grand Prix Prague 2018 (modern) | starting rating: 1315 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 257 | Chapillon, Teddy (1500) | Won 2-0 | +221337 |
| 2modern | 85 | Anker-Nilssen, Rasmus (1515) | Lost 0-2 | -151322 |
| 3modern | 665 | Nielsen, Mads Fog (1442) | Lost 0-2 | -161306 |
| 4modern | 678 | Raevich, Sergai (1481) | Lost 0-2 | -151291 |
| 5modern | 881 | Ivanov, Svetoslav (1663) | Won 2-0 | +251316 |
| 6modern | 627 | Locher, Benjamin (1517) | Lost 0-2 | -151301 |
| 7modern | 644 | Kaufmann, Martin (1442) | Won 2-1 | +211322 |
| 8modern | 594 | Frnka, Roman (1460) | Lost 0-2 | -161306 |
| top | average opponent: 1503record: 3-5 | new rating: 1306 | ||
| Grand Prix Prague 2017 (AER limited) | starting rating: 1350 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 6 | Botoaca, Sanda-Maria (1500) | Lost 1-2 | -151335 |
| 2sealed | 510 | Lobenstein, Christian (1488) | Won 2-1 | +201355 |
| 3sealed | 527 | Lochert, Johannes (1808) | Lost 0-2 | -101345 |
| 4sealed | 717 | Seijsener, Niels (1481) | Lost 0-2 | -161329 |
| 5sealed | 809 | Pokorny, Jiri J (1537) | Lost 0-2 | -141315 |
| top | average opponent: 1563record: 1-4 | new rating: 1315 | ||
| Grand Prix Krakow 2015 (DTK standard) | starting rating: 1370 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 93 | Kos, Tadeas (1437) | Lost 0-2 | -171353 |
| 2standard | 255 | Kulhanek, Honza (1436) | Won 2-0 | +191372 |
| 3standard | 316 | Jovanovic, Luka (1514) | Won 2-0 | +211393 |
| 4standard | 281 | Valkeapaa, Tuomas (1711) | Lost 1-2 | -131380 |
| 5standard | 394 | Bielak, Dominik (1504) | Lost 0-2 | -151365 |
| 6standard | 403 | Bietighoefer, Jerome (1534) | Lost 0-2 | -151350 |
| top | average opponent: 1523record: 2-4 | new rating: 1350 | ||
| Grand Prix Vienna 2014 (BNG limited) | starting rating: 1406 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 4 | Strobl, Manuel (1418) | Won 2-1 | +191425 |
| 2sealed | 230 | Yurochko, Nikita (1480) | Lost 0-2 | -171408 |
| 3sealed | 336 | Binkowska, Wioleta (1496) | Lost 0-2 | -171391 |
| 4sealed | 426 | Geberovich, Benjamin (1515) | Lost 1-2 | -151376 |
| 5sealed | 477 | Manor, Aylon (1749) | Won 2-0 | +241400 |
| 6sealed | 375 | Mader, Robert (1439) | Lost 0-2 | -171383 |
| 7sealed | 397 | Fahler, Bjorn (1482) | Lost 0-2 | -161367 |
| 8sealed | 366 | Hrdlicka, Tomas (1442) | Won 2-1 | +191386 |
| 9sealed | 302 | Schabernak, Sebastian (1474) | Lost 1-2 | -161370 |
| top | average opponent: 1500record: 3-6 | new rating: 1370 | ||
| Grand Prix Vienna 2013 (THS standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 209 | Sekretarev, Nikita (1380) | Lost 0-2 | -201480 |
| 2standard | 467 | Loffler, Arnold (1482) | Won 2-0 | +181498 |
| 3standard | 521 | Kripal, Zbynek (1500) | Lost 1-2 | -181480 |
| 4standard | 551 | Holzenburg, Tina (1481) | Lost 0-2 | -181462 |
| 5standard | 646 | Bogolepov, Boris (1402) | Lost 0-2 | -191443 |
| 6standard | 598 | Massmann, Marcel (1450) | Lost 0-2 | -181425 |
| 7standard | 567 | Marx, Christian (1385) | Lost 0-2 | -191406 |
| 8standard | 501 | Banzer, Martin (1408) | Won 2-0 | +181424 |
| 9standard | 438 | Ruehrmair, Markus (1433) | Lost 1-2 | -181406 |
| top | average opponent: 1436record: 2-7 | new rating: 1406 | ||