Koudelka, Lubos
Current rating: 1657
Record: 23-14
| Grand Prix Prague 2014 (modern) | starting rating: 1619 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 324 | Sippu, Samuli (1516) | Lost 0-2 | -201599 |
| 2modern | 359 | Faikis, Petr (1487) | Won 2-0 | +161615 |
| 3modern | 408 | Landoni, Nicola (1634) | Won 2-1 | +181633 |
| 4modern | 401 | Calf, David (1470) | Won 2-1 | +151648 |
| 5modern | 195 | Golan, Tomas (1587) | Won 2-0 | +171665 |
| 6modern | 135 | Svec, Martin (1444) | Won 2-1 | +141679 |
| 7modern | 118 | Mueller, Szymon (1623) | Lost 0-2 | -191660 |
| 8modern | 125 | Kara, Michal (1581) | Won 2-1 | +171677 |
| 9modern | 82 | van Noort, Cas (1604) | Lost 1-2 | -201657 |
| top | average opponent: 1549record: 6-3 | new rating: 1657 | ||
| Grand Prix Amsterdam 2011 (legacy) | starting rating: 1663 | |||
| round | table | opponent (rating) | result | Δrating |
| 4legacy | 47 | Hendrikx, Koen (1452) | Won 2-0 | +141677 |
| 5legacy | 37 | Calzetta, Alessio (1520) | Lost 1-2 | -211656 |
| 6legacy | 88 | Jacquet, Lois (1679) | Lost 1-2 | -171639 |
| 7legacy | 134 | Oey, Oliver (1533) | Lost 0-2 | -201619 |
| top | average opponent: 1546record: 1-3 | new rating: 1619 | ||
| Grand Prix Madrid 2010 (legacy) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 944 | Cruz De Marco, Ignacio (1500) | Won 2-0 | +181541 |
| 2legacy | 826 | Venancio, Ricardo (1635) | Won 2-1 | +201561 |
| 3legacy | 821 | Siles, Gerard (1519) | Won 2-0 | +171578 |
| 4legacy | 782 | Garcia, Antonio C (1556) | Won 2-0 | +171595 |
| 5legacy | 728 | Tizzoni, Nicola (1554) | Won 2-1 | +181613 |
| 6legacy | 736 | Puigdollers, Inaki (1540) | Won 2-0 | +161629 |
| 7legacy | 733 | Zunko, Bojan (1834) | Won 2-1 | +221651 |
| 8legacy | 746 | Santiago, Carlos (1822) | Lost 0-2 | -151636 |
| 9legacy | 762 | Damo da Rosa, Paulo Vitor (1972) | Lost 1-2 | -121624 |
| 10legacy | 96 | Von Kalkstein, Christian (1713) | Won 2-0 | +201644 |
| 11legacy | 65 | Barberis, Giacomo (1572) | Won 2-1 | +161660 |
| 12legacy | 41 | Gottfridsson, Olof (1583) | Won 2-1 | +171677 |
| 13legacy | 22 | Delgado, Alejandro (1608) | Lost 1-2 | -191658 |
| 14legacy | 36 | Notting, Wander (1586) | Won 2-1 | +161674 |
| 15legacy | 27 | Scalia, Alessandro (1681) | Won 2-1 | +181692 |
| 16legacy | 20 | Saito, Tomoharu (2094) | Lost 1-2 | -111681 |
| 17legacy | 33 | Brea, Jorge (1652) | Lost 0-2 | -181663 |
| top | average opponent: 1672record: 12-5 | new rating: 1663 | ||
| Grand Prix Vienna 2008 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 171 | Dogan, Okan (1500) | Won 2-1 | +181518 |
| 2extended | 132 | Cuocci, Fabrizio (1517) | Won 2-0 | +181536 |
| 3extended | 71 | van der Velden, Stan (1786) | Won 2-0 | +221558 |
| 4extended | 65 | Llano, Enrique (1587) | Lost 0-2 | -171541 |
| 5extended | 91 | Zulian, Simone (1523) | Lost 0-2 | -181523 |
| 6extended | 161 | Aranyos, Adrian (1562) | Lost 1-2 | -181505 |
| 7extended | 147 | Cupal, Dominik (1501) | Won 2-0 | +181523 |
| top | average opponent: 1568record: 4-3 | new rating: 1523 | ||