Horcicka, Jan
Current rating: 1576
Record: 16-12-1
| Grand Prix Prague 2018 (modern) | starting rating: 1593 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 506 | Leopoldseder, Andreas (1500) | Won 2-1 | +161609 |
| 2modern | 341 | Stefanescu, Alexandru (1771) | Draw 1-1 | +31612 |
| 3modern | 429 | Mottingdorfer, Robert (1520) | Won 2-0 | +171629 |
| 4modern | 238 | Fortier, Remi (2007) | Lost 0-2 | -121617 |
| 5modern | 447 | Toufar, Dalibor (1503) | Won 2-0 | +161633 |
| 6modern | 265 | Klimke, Chris (1643) | Lost 0-1 | -181615 |
| 7modern | 430 | Leidig, Andreas (1498) | Lost 0-2 | -201595 |
| 8modern | 490 | Svoboda, Marek (1516) | Lost 0-2 | -191576 |
| top | average opponent: 1620record: 3-4-1 | new rating: 1576 | ||
| Grand Prix Prague 2015 (ORI standard) | starting rating: 1559 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 417 | Lipovec, Jernej (1565) | Won 2-1 | +181577 |
| 2standard | 129 | Krawiecki, Dominik (1468) | Lost 1-2 | -201557 |
| 3standard | 522 | Brown, Eyal (1501) | Won 2-1 | +171574 |
| 4standard | 323 | Strautz, Marcel (1491) | Lost 1-2 | -201554 |
| 5standard | 371 | Herzmann, Kevin (1599) | Won 2-0 | +191573 |
| 6standard | 413 | Sucquet, Alexander (1515) | Won 2-0 | +171590 |
| 7standard | 211 | Valkeapaa, Tuomas (1690) | Won 2-1 | +201610 |
| 8standard | 109 | Strubelj, Gregor (1674) | Lost 0-2 | -171593 |
| top | average opponent: 1563record: 5-3 | new rating: 1593 | ||
| Grand Prix Prague 2009 (M10 limited) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 24 | Pokorny, Simon (1482) | Won 2-0 | +171534 |
| 2sealed | 22 | Antalec, Matej (1443) | Won 2-1 | +161550 |
| 3sealed | 77 | Bero, Peter (1586) | Won 2-0 | +191569 |
| 4sealed | 46 | Overloop Van, Veerle (1501) | Lost 1-2 | -191550 |
| 5sealed | 95 | Eckschlager, Markus (1570) | Won 2-1 | +181568 |
| 6sealed | 35 | Grafensteiner, Daniel (1843) | Lost 1-2 | -131555 |
| 7sealed | 145 | Hajek, Radim (1535) | Won 2-0 | +181573 |
| 8sealed | 99 | Boudaoud, Hakim (1801) | Lost 1-2 | -141559 |
| top | average opponent: 1595record: 5-3 | new rating: 1559 | ||
| Grand Prix Prague 2003 (LGN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 275 | Kordovan, Daniel (1429) | Lost 0-2 | -191481 |
| 2sealed | 358 | Masek, Pavel (1482) | Won 2-1 | +181499 |
| 3sealed | 170 | Jaros, Pavel (1500) | Lost 0-2 | -181481 |
| 4sealed | 322 | Trafina, Petr (1478) | Won 2-0 | +181499 |
| 5sealed | 309 | Chudoba, Martin (1501) | Won 2-1 | +181517 |
| top | average opponent: 1478record: 3-2 | new rating: 1517 | ||