Jacko, Robert
Current rating: 1574
Record: 33-23-1 (GP) / 4-9 (professional)
| Grand Prix Rimini 2013 (M14 limited) | starting rating: 1583 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 116 | Mura, Edoardo (1500) | Lost 0-2 | -201563 |
| 2sealed | 288 | McMillion, Cameron (1510) | Lost 1-2 | -191544 |
| 3sealed | 414 | Barrantes, Jose (1446) | Won 2-1 | +171561 |
| 4sealed | 416 | Aguzzi, Evan (1624) | Lost 1-2 | -171544 |
| 5sealed | 431 | Racca, Luca (1526) | Won 2-0 | +171561 |
| 6sealed | 380 | Paco Abenoza, Aria (1491) | Won 2-0 | +171578 |
| 7sealed | 305 | Hermant, Francois (1442) | Lost 1-2 | -201558 |
| 8sealed | 283 | Di Rienzo, Giuseppe (1479) | Won 2-0 | +161574 |
| top | average opponent: 1502record: 4-4 | new rating: 1574 | ||
| Grand Prix Prague 2011 (NPH limited) | starting rating: 1618 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 551 | Wicher, Adam (1517) | Lost 1-2 | -191599 |
| 3sealed | 713 | Baudys, Ondrej (1797) | Lost 0-2 | -151584 |
| 4sealed | 737 | Verly, Nathalie (1508) | Draw 1-1 | -11583 |
| top | average opponent: 1608record: 0-2-1 | new rating: 1583 | ||
| Grand Prix Prague 2009 (M10 limited) | starting rating: 1644 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 502 | Bartuska, Arved (1711) | Lost 1-2 | -171627 |
| 3sealed | 679 | Stolle, Filip (1412) | Won 2-0 | +141641 |
| 4sealed | 737 | Spacek, Pavel (1622) | Lost 1-2 | -181623 |
| 5sealed | 721 | Antos, Jaroslav (1501) | Won 2-1 | +161639 |
| 6sealed | 696 | Patek, Zdenek (1521) | Lost 0-2 | -211618 |
| top | average opponent: 1554record: 2-3 | new rating: 1618 | ||
| Pro Tour Hollywood 2008 (SHM standard) | starting rating: 1686 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 152 | Gates, James (1601) | Won 2-1 | +161702 |
| 2standard | 78 | Juza, Martin (1979) | Lost 0-2 | -131689 |
| 3standard | 108 | Kunzler, Matthias (1745) | Won 2-0 | +191708 |
| 4standard | 71 | Pattaro, Eloi Ugo (1634) | Lost 1-2 | -191689 |
| 5standard | 111 | Latif, Mehran (1516) | Lost 1-2 | -211668 |
| 6standard | 136 | Fortier, Remi (1676) | Lost 1-2 | -181650 |
| 7standard | 129 | Barsamian, Yann (1490) | Lost 1-2 | -211629 |
| 8standard | 117 | Bertinelli, Riccardo (1451) | Won 2-0 | +151644 |
| top | average opponent: 1637record: 3-5 | new rating: 1644 | ||
| Pro Tour Kuala Lumpur 2008 (MOR draft) | starting rating: 1742 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 7 | Nan, Tu (1617) | Lost 1-2 | -201722 |
| 2draft | 164 | Nakamura, Shuhei (1965) | Lost 0-2 | -141708 |
| 3draft | 28 | Yasooka, Shota (1909) | Lost 0-0 | -141694 |
| 5draft | 109 | Siagian, Yohannes (1473) | Lost 1-2 | -221672 |
| 6draft | 27 | Sotomayor, Diego (1458) | Won 2-0 | +141686 |
| top | average opponent: 1684record: 1-4 | new rating: 1686 | ||
| Grand Prix Krakow 2007 (LRW standard) | starting rating: 1563 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 72 | Cesati, Alberto (1412) | Won 2-1 | +161579 |
| 2standard | 57 | Parazzoli, Dario (1596) | Won 2-0 | +181597 |
| 3standard | 14 | Velev, Alexander B (1537) | Won 2-0 | +171614 |
| 4standard | 20 | Sierocinski, Adam (1784) | Won 2-0 | +211635 |
| 5standard | 10 | Moden, Anders (1570) | Won 2-1 | +171652 |
| 6standard | 12 | Passow, Christopher (1442) | Won 2-1 | +141666 |
| 7standard | 1 | Kerem, Hannes (1542) | Won 2-0 | +161682 |
| 8standard | 2 | Oberbek, Przemyslaw (1783) | Lost 0-2 | -171665 |
| 9standard | 7 | Kadavy, Petr (1687) | Won 2-0 | +191684 |
| 10standard | 11 | Dobis, David (1675) | Won 2-0 | +181702 |
| 11standard | 5 | Schleinzer, Emanuel (1642) | Won 2-1 | +171719 |
| 12standard | 2 | Pereira, Christiano (1808) | Won 2-1 | +191738 |
| 13standard | 1 | Szabo, Andras (1730) | Won 2-0 | +181756 |
| 14standard | 1 | Wafo-Tapa, Guillaume (2194) | ID | 01756 |
| 15standard | 1 | Birner, Armin (1999) | ID | 01756 |
| Qstandard | Tenenbaum, Amiel (1964) | Lost 1-2 | -141742 | |
| top | average opponent: 1710record: 12-2-2 | new rating: 1742 | ||
| Grand Prix Eindhoven 2005 (extended) | starting rating: 1562 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 134 | Meyer, Stephan (1864) | Won 2-1 | +231585 |
| 3extended | 113 | Krastev, Vladimir (1574) | Lost 1-2 | -181567 |
| 4extended | 222 | Wacker, Jan (1502) | Won 2-0 | +171584 |
| 5extended | 125 | Montanari, Stefano (1571) | Won 2-0 | +171601 |
| 6extended | 92 | Felten, Uwe (1555) | Lost 0-2 | -191582 |
| 7extended | 145 | Horem, Kevin (1517) | Lost 0-2 | -191563 |
| top | average opponent: 1597record: 3-3 | new rating: 1563 | ||
| Grand Prix Rimini 2004 (Mirrodin block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 64 | Pileri, Lorenzo (1500) | Won 2-0 | +181518 |
| 2block | 32 | Carvelli, Stefano (1517) | Won 2-1 | +181536 |
| 3block | 39 | Di Tomaso, Matteo (1639) | Lost 0-2 | -161520 |
| 4block | 148 | Righini, Marco (1503) | Won 2-0 | +181538 |
| 5block | 132 | De Giuli, Francesco (1692) | Won 2-0 | +201558 |
| 6block | 86 | Rossi, Francesco (1555) | Won 2-1 | +181576 |
| 7block | 50 | Schlagin, Andreas (1620) | Won 2-1 | +191595 |
| 8block | 11 | Sienko, Piotr (1743) | Lost 0-2 | -151580 |
| 9block | 62 | Bohringer, Steffen (1568) | Lost 0-2 | -181562 |
| top | average opponent: 1593record: 6-3 | new rating: 1562 | ||
| Grand Prix Prague 2003 (LGN limited) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 46 | Gilg, Michael (1518) | Won 2-0 | +181519 |
| 2sealed | 18 | Vladik, Pavel (1500) | Lost 0-2 | -181501 |
| 3sealed | 289 | Lipkowski, Pawel (1453) | Lost 0-2 | -191482 |
| 4sealed | 353 | Matyska, Jiri (1482) | Won 2-1 | +181500 |
| top | average opponent: 1488record: 2-2 | new rating: 1500 | ||
| Grand Prix Prague 2001 (PLS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 9 | Sosinski, Arkadiusz (1500) | Won 2-1 | +181518 |
| 2sealed | 67 | Milota, Martin (1518) | Lost 1-2 | -181500 |
| 3sealed | 165 | Piatkowski, Lukasz (1500) | Won 2-0 | +181518 |
| 4sealed | 127 | Filip, Dvorak (1518) | Lost 0-2 | -181500 |
| 5sealed | 174 | Papak, Tomas (1503) | Lost 0-2 | -181482 |
| 6sealed | 199 | Cernohous, Jan (1483) | Won 2-0 | +181500 |
| 7sealed | 177 | Stibinger, Ales (1547) | Won 2-0 | +191519 |
| 8sealed | 94 | Richter, Stefan (1522) | Lost 1-2 | -181501 |
| top | average opponent: 1512record: 4-4 | new rating: 1501 | ||