Koukal, Josef
Current rating: 1584
Record: 26-21-3
| Grand Prix Warsaw 2016 (KLD standard) | starting rating: 1618 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 175 | Alfredsson, Henrik (1585) | Lost 1-2 | -191599 |
| 3standard | 361 | Mede, Martin (1417) | Won 2-1 | +151614 |
| 4standard | 228 | Danz, Jonathan (1813) | Won 2-1 | +221636 |
| 5standard | 158 | Klein, Fabian (1853) | Lost 0-2 | -151621 |
| 6standard | 278 | Karl, Florian (1628) | Won 2-1 | +191640 |
| 7standard | 143 | Tennivaara, Sabina (1521) | Won 2-1 | +151655 |
| 8standard | 144 | Oneto, Mattia (1885) | Won 2-0 | +231678 |
| 9standard | 70 | Di Siero, Domenico (1712) | Lost 1-2 | -181660 |
| 10standard | 100 | van Herwaarden, Sander (1785) | Lost 0-2 | -161644 |
| 11standard | 172 | Primot, Armel (1684) | Lost 0-2 | -171627 |
| 12standard | 169 | Kalamarz, Lukasz (1458) | Lost 1-2 | -211606 |
| 13standard | 162 | Guagliano, Giuseppe (1558) | Won 2-0 | +171623 |
| 14standard | 145 | Lee, Dongkyu (1595) | Lost 1-2 | -181605 |
| 15standard | 136 | Czapla, Tadeusz (1478) | Lost 1-2 | -211584 |
| top | average opponent: 1641record: 6-8 | new rating: 1584 | ||
| Grand Prix Paris 2016 (OGW standard) | starting rating: 1581 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 86 | Devidet, Lilian (1500) | Won 2-0 | +161597 |
| 2standard | 260 | Matos, Bruno (1620) | Lost 1-2 | -171580 |
| 3standard | 448 | Martin, Eric (1407) | Won 2-0 | +151595 |
| 4standard | 488 | Etourneaud, Eric (1627) | Won 2-1 | +181613 |
| 5standard | 209 | Bizon, Jordan (1494) | Won 2-0 | +161629 |
| 6standard | 197 | Andrieu, Thibault (1776) | Won 2-1 | +211650 |
| 7standard | 76 | Eckhard, Linus (1540) | Lost 0-2 | -201630 |
| 8standard | 179 | Nobari, Poya (1665) | Lost 1-2 | -181612 |
| 9standard | 310 | Hitz, Michael (1794) | Won 2-1 | +221634 |
| 10standard | 184 | Litvak, Mark (1676) | Won 2-0 | +181652 |
| 11standard | 129 | Lebrun, Benoit (1622) | Lost 1-2 | -181634 |
| 12standard | 184 | Niznansky, Milan (1721) | Lost 1-2 | -171617 |
| 13standard | 164 | Idelfonso, Diony (1790) | Won 2-1 | +211638 |
| 14standard | 120 | Snellings, Yannick (1493) | Lost 1-2 | -201618 |
| top | average opponent: 1623record: 8-6 | new rating: 1618 | ||
| Grand Prix Prague 2015 (ORI standard) | starting rating: 1584 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 152 | Muller, Philip (1448) | Won 1-0 | +161600 |
| 2standard | 38 | Thaler, Sebastian (1890) | Lost 0-2 | -131587 |
| 3standard | 422 | Eckl, Christoph (1613) | Lost 0-2 | -181569 |
| 4standard | 634 | Varga, Zsolt (1489) | Draw 1-1 | -11568 |
| 5standard | 580 | Fedorchenko, Sergej (1425) | Won 2-0 | +151583 |
| 6standard | 455 | Palmieri, Nicola (1525) | Won 2-0 | +171600 |
| 7standard | 325 | Galopa, Etienne (1514) | Lost 1-2 | -191581 |
| top | average opponent: 1558record: 3-3-1 | new rating: 1581 | ||
| Grand Prix Krakow 2015 (DTK standard) | starting rating: 1553 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 95 | Aleksander, Augustyn (1500) | Won 2-0 | +171570 |
| 2standard | 42 | Wiesiolek, Bogdan (1518) | Won 2-0 | +171587 |
| 3standard | 270 | Miecznikowski, Jedrzej (1516) | Won 2-0 | +171604 |
| 4standard | 153 | Mueller, Szymon (1703) | Won 2-1 | +191623 |
| 5standard | 5 | De Place, Lauge (1582) | Lost 1-2 | -181605 |
| 6standard | 248 | Fulle, Dominic (1648) | Lost 1-2 | -181587 |
| 7standard | 126 | Posolda, Ondrej (1733) | Won 2-1 | +211608 |
| 8standard | 96 | Milevski, Miki (1421) | Lost 0-2 | -211587 |
| 9standard | 174 | Mikula, Andreas (1451) | Draw 1-1 | -31584 |
| top | average opponent: 1564record: 5-3-1 | new rating: 1584 | ||
| Grand Prix Vienna 1999 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 101 | Steinwender, Alexander (1500) | Won 0-0 | +181518 |
| 2extended | 4 | von der Osten, Marian (1519) | Draw 0-0 | 01518 |
| 3extended | 65 | Pischner, Andreas (1519) | Won 0-0 | +181536 |
| 4extended | 37 | Laznovsky, Martin (1581) | Lost 0-0 | -171519 |
| 5extended | 76 | Karaszewski, Pawel (1439) | Won 0-0 | +161535 |
| 6extended | 49 | Benezech, Lionel (1503) | Won 0-0 | +181553 |
| top | average opponent: 1510record: 4-1-1 | new rating: 1553 | ||