Gunther, Stefan
Current rating: 1662
Record: 43-34 (GP) / 4-4 (professional)
| Grand Prix Amsterdam 2017 (AKH standard) | starting rating: 1694 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 180 | Noordzij, Wouter (1831) | Lost 1-2 | -161678 |
| 4standard | 388 | Swierk, Pawel (1669) | Lost 1-2 | -181660 |
| 5standard | 403 | Giorgio, Francesco (1964) | Lost 0-2 | -131647 |
| 6standard | 430 | Cipriano, Luca (1446) | Won 2-0 | +151662 |
| top | average opponent: 1728record: 1-3 | new rating: 1662 | ||
| Grand Prix Copenhagen 2017 (modern) | starting rating: 1765 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 399 | Berle, Kim (1486) | Lost 0-2 | -231742 |
| 4modern | 427 | Schmit, Claude (1641) | Lost 0-2 | -201722 |
| 5modern | 617 | Bentzen, Nicolai (1497) | Won 2-0 | +141736 |
| 6modern | 527 | Hofmann, Mike (1861) | Lost 1-2 | -151721 |
| 7modern | 511 | Westermann, Kevin (1449) | Won 2-1 | +131734 |
| 8modern | 435 | Tsarkov, Kirill (1733) | Lost 1-2 | -181716 |
| 9modern | 449 | Bendtsen, Johan (1498) | Lost 1-2 | -221694 |
| top | average opponent: 1595record: 2-5 | new rating: 1694 | ||
| Grand Prix Utrecht 2017 (AER standard) | starting rating: 1651 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 266 | Plucinski, Karol (1527) | Won 2-1 | +161667 |
| 4standard | 32 | Panchartek, Zbysek (1799) | Lost 0-2 | -151652 |
| 5standard | 145 | Jacobs, Bob (1422) | Won 2-1 | +131665 |
| 6standard | 83 | Makovsky, Vladimir (1817) | Won 2-1 | +211686 |
| 7standard | 66 | Bogaard, Erikjan (1706) | Won 2-0 | +191705 |
| 8standard | 49 | Gravina, Michele (1712) | Won 2-1 | +181723 |
| 9standard | 32 | Bachaud, Louis (1920) | Won 2-1 | +211744 |
| 10standard | 6 | Law, Tom (1821) | Lost 1-2 | -161728 |
| 11standard | 40 | Carvalho, Marcio (2225) | Won 2-0 | +261754 |
| 12standard | 23 | Hottmann, Alex (2052) | Won 2-1 | +231777 |
| 13standard | 13 | Patarca, Humberto (2009) | Lost 1-2 | -141763 |
| 14standard | 30 | Dominguez, Javier (1974) | Lost 0-2 | -141749 |
| 15standard | 36 | Hector, Stephan (1633) | Won 2-0 | +161765 |
| top | average opponent: 1817record: 9-4 | new rating: 1765 | ||
| Grand Prix Prague 2014 (modern) | starting rating: 1651 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 228 | Boisbourdin, Sylvain (1523) | Won 2-1 | +161667 |
| 2modern | 209 | Hofmann, Mike (1928) | Lost 0-2 | -141653 |
| 3modern | 553 | Drescher, Tammo (1366) | Won 2-1 | +131666 |
| 4modern | 229 | Tauler Aguilo, Juan (1489) | Won 2-1 | +151681 |
| 5modern | 307 | Vornhusen, Gunnar (1606) | Lost 0-1 | -191662 |
| 6modern | 311 | Pikanitos, Romain (1471) | Won 2-1 | +141676 |
| 7modern | 247 | Hitz, Michael (1588) | Lost 0-2 | -191657 |
| 8modern | 355 | Dio, Michal (1504) | Won 2-0 | +151672 |
| 9modern | 168 | Vidal, Victor (1536) | Lost 0-2 | -211651 |
| top | average opponent: 1557record: 5-4 | new rating: 1651 | ||
| Grand Prix Bochum 2012 (RTR standard) | starting rating: 1621 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 503 | De Roost, Joey (1500) | Won 2-0 | +161637 |
| 2standard | 665 | Grijzenhout, Jasper (1518) | Won 2-1 | +151652 |
| 3standard | 547 | Naessens, Steven (1457) | Won 2-1 | +151667 |
| 4standard | 504 | Lambrich, Benjamin (1471) | Lost 0-2 | -221645 |
| 5standard | 586 | Bleys, Tony (1560) | Won 2-0 | +171662 |
| 6standard | 537 | Bucciarelli, Sebastien (1393) | Won 2-0 | +131675 |
| 7standard | 564 | van der Beek, Johan (1618) | Lost 0-2 | -191656 |
| 8standard | 554 | Strobach, Patrick (1475) | Lost 1-2 | -211635 |
| 9standard | 624 | Bobring, Rolf (1538) | Won 2-0 | +161651 |
| top | average opponent: 1503record: 6-3 | new rating: 1651 | ||
| Grand Prix Strasbourg 2007 (Time Spiral block) | starting rating: 1590 | |||
| round | table | opponent (rating) | result | Δrating |
| 3block | 8 | Scharfe, Tai (1511) | Won 2-1 | +171607 |
| 4block | 53 | Marion, Damien (1537) | Won 2-0 | +161623 |
| 5block | 31 | Reinderman, Dimitri (1771) | Lost 1-2 | -151608 |
| 6block | 30 | van Medevoort, Robert (1704) | Won 2-0 | +201628 |
| 7block | 19 | Bahr, Peter Michael (1515) | Won 2-1 | +161644 |
| 8block | 13 | Ruel, Antoine (1879) | Won 2-0 | +221666 |
| 9block | 11 | Goron, Julien (1814) | ID | 01666 |
| 10block | 16 | Summersberger, Helmut (1893) | Lost 0-2 | -141652 |
| 11block | 44 | Heigerer, Stefan (1757) | Lost 0-2 | -161636 |
| 12block | 53 | Lybaert, Marijn (1952) | Lost 0-2 | -121624 |
| 13block | 59 | Steinert, Roman (1590) | Won 2-0 | +171641 |
| 14block | 50 | Sappl, Josef (1523) | Lost 0-2 | -201621 |
| top | average opponent: 1704record: 6-5-1 | new rating: 1621 | ||
| Pro Tour Yokohama 2007 (Time Spiral block) | starting rating: 1570 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 78 | Yothinsopolgul, Sompol (1514) | Won 2-0 | +171587 |
| 2block | 7 | Ruel, Olivier (2167) | Lost 1-2 | -81579 |
| 3block | 119 | Lima, Bruno (1529) | Won 2-0 | +171596 |
| 4block | 59 | Komuro, Shuu (1718) | Lost 1-2 | -161580 |
| 5block | 104 | Maij, Rosario (1887) | Won 2-0 | +231603 |
| 6block | 64 | Moulin, Serge (1530) | Lost 1-2 | -191584 |
| 7block | 69 | Motoyama, Kazuhiko (1725) | Lost 1-2 | -151569 |
| 8block | 107 | Nuijten, Julien (1759) | Won 2-1 | +211590 |
| top | average opponent: 1729record: 4-4 | new rating: 1590 | ||
| Grand Prix Dortmund 2006 (GPT limited) | starting rating: 1555 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 159 | Kunert, Peter (1500) | Won 2-1 | +171572 |
| 2sealed | 30 | Maurer, Tobias (1516) | Won 2-1 | +171589 |
| 3sealed | 39 | Rentzsch, Stefan (1636) | Lost 0-2 | -171572 |
| 4sealed | 85 | Wiltsch, Martin (1560) | Won 2-1 | +171589 |
| 5sealed | 86 | Nortemann, Eiko (1466) | Lost 0-2 | -201569 |
| 6sealed | 121 | Kruck, Christian (1521) | Won 2-0 | +171586 |
| 7sealed | 81 | Marciniszyn, Michal (1688) | Lost 0-2 | -161570 |
| top | average opponent: 1555record: 4-3 | new rating: 1570 | ||
| Grand Prix Leipzig 2005 (BOK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 100 | Winkel, Carlos (1429) | Lost 1-2 | -201480 |
| 2sealed | 127 | Bognar, Zoltan (1515) | Won 2-1 | +191499 |
| 3sealed | 100 | Schaffer, Markus (1505) | Won 2-1 | +181517 |
| 4sealed | 109 | Wimmer, Peter (1571) | Lost 0-2 | -171500 |
| 5sealed | 144 | Ollek, Jens (1489) | Won 2-0 | +181518 |
| 6sealed | 64 | Lehnert, Heiko (1536) | Won 2-0 | +181536 |
| 7sealed | 48 | Lichniak, Marcin (1598) | Won 2-1 | +191555 |
| 8sealed | 39 | Kremser, Erich (1573) | Won 2-0 | +191574 |
| 9sealed | 30 | Dvoracek, Dominik (1523) | Lost 1-2 | -191555 |
| top | average opponent: 1527record: 6-3 | new rating: 1555 | ||
| Grand Prix Hamburg 2002 (Odyssey block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 33 | Preuss, Karl-Heinz (1500) | Won 2-1 | +181518 |
| 2block | 106 | Hofmann, Thorsten (1429) | Lost 1-2 | -201498 |
| 3block | 115 | Silny, Andre (1559) | Lost 1-2 | -171481 |
| 4block | 203 | Mortensen, Jacob (1485) | Lost 0-2 | -171464 |
| 5block | 213 | Seiwert, Robert (1502) | Won 2-0 | +181482 |
| 6block | 182 | Jung, Stefan (1456) | Won 2-1 | +181500 |
| 7block | 133 | Kiefer, Lorenz (1502) | Won 2-0 | +181518 |
| 8block | 117 | Luthe, Chris (1515) | Lost 1-2 | -181500 |
| top | average opponent: 1493record: 4-4 | new rating: 1500 | ||