Cowan, John
Current rating: 1565
Record: 11-8-4 (GP) / 18-19-2 (professional)
| Grand Prix Brussels 2004 (DST standard) | starting rating: 1547 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 128 | Goineau, Jerome (1511) | Won 2-1 | +171564 |
| 3standard | 38 | Krutil, Daniel (1642) | Lost 0-2 | -161548 |
| 4standard | 196 | Ruger, Patrick (1494) | Won 2-1 | +171565 |
| 5standard | 113 | Straetemans, Matthias (1579) | Won 2-0 | +181583 |
| 6standard | 56 | Pinkster, Wilco (1642) | Lost 0-2 | -171566 |
| 7standard | 67 | Steenkiste, Julien (1536) | Lost 1-2 | -191547 |
| 8standard | 120 | Munoz Cano, Eduardo (1503) | Won 2-0 | +181565 |
| top | average opponent: 1558record: 4-3 | new rating: 1565 | ||
| Grand Prix London 2003 (Onslaught block) | starting rating: 1527 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 127 | Garnier, Gregory (1500) | Won 2-1 | +171544 |
| 2block | 2 | Barbou, Leonard (1500) | Draw 1-1 | -11543 |
| 3block | 92 | Torng, Christophe (1543) | Lost 0-2 | -181525 |
| 4block | 175 | Savage, Jason (1492) | Won 2-1 | +181543 |
| 5block | 114 | Nunes, Goncalo (1576) | Won 2-1 | +181561 |
| 6block | 77 | Kettil, Mattias (1776) | Lost 1-2 | -141547 |
| 7block | 107 | McBurney, Colin (1507) | Won 2-0 | +171564 |
| 8block | 76 | Canali, Pierre (1594) | Lost 0-2 | -171547 |
| top | average opponent: 1561record: 4-3-1 | new rating: 1547 | ||
| 2003 European Championship (mixed) | starting rating: 1575 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 32 | Jensen, David (1725) | Lost 0-2 | -161559 |
| 2standard | 115 | Blieck, Benny (1423) | Won 2-1 | +161575 |
| 3standard | 98 | Labarre, Nicolas (1856) | Lost 0-2 | -131562 |
| 4rochester | 70 | van Ravesteijn, Tom (1533) | Lost 1-2 | -191543 |
| 5rochester | 9 | Cerasari, Andrea (1483) | Lost 1-2 | -191524 |
| 7rochester | 106 | Chan, Tiago (1712) | Lost 0-2 | -141510 |
| 8rochester | 33 | Busi, Yanez (1474) | Won 2-0 | +171527 |
| 9rochester | 14 | Cavaglieri, William (1517) | Won 2-0 | +181545 |
| 10rochester | 84 | Martin, Quentin (1668) | Won 2-1 | +201565 |
| 11standard | 65 | Altrichter, Stefan (1535) | Lost 0-2 | -191546 |
| 12standard | 72 | Wageningen, Mathijs (1484) | Lost 0-2 | -191527 |
| 13standard | 72 | Liptak, Gabor (1441) | Won 2-1 | +171544 |
| 14standard | 56 | Ovutmen, Sarp (1587) | Lost 0-2 | -171527 |
| top | average opponent: 1572record: 5-8 | new rating: 1527 | ||
| Pro Tour Chicago 2003 (ONS rochester) | starting rating: 1548 | |||
| round | table | opponent (rating) | result | Δrating |
| 1rochester | 129 | Bakopoulos, Alex (1654) | Won 2-1 | +201568 |
| 2rochester | 5 | Parker, Zachary (1514) | Won 2-1 | +171585 |
| 3rochester | 13 | Allbright, Bob (1426) | Won 2-1 | +151600 |
| 4rochester | 24 | Saavedra, Felipe (1768) | Won 2-0 | +211621 |
| 5rochester | 8 | Blume, Marco (1743) | Lost 1-2 | -161605 |
| 6rochester | 26 | Hebert, Ruger (1571) | Lost 1-2 | -181587 |
| 7rochester | 4 | Dominguez Ramos, Alejandro (1738) | ID | 01587 |
| 8rochester | 8 | Turning, Travis (1783) | Lost 1-2 | -151572 |
| 9rochester | 59 | Kovinsky, Stuart (1548) | Won 2-1 | +181590 |
| 10rochester | 39 | Norris, Pete (1594) | Won 2-0 | +181608 |
| 11rochester | 49 | Alepin, Alexandre (1646) | Won 2-1 | +181626 |
| 12rochester | 30 | Sottosanti, Paul (1615) | Lost 0-2 | -181608 |
| 13rochester | 31 | Hahn, Jurgen (1713) | Lost 1-2 | -161592 |
| 14rochester | 30 | Becker, Jonathan (1613) | Lost 1-2 | -171575 |
| top | average opponent: 1637record: 7-6-1 | new rating: 1575 | ||
| Grand Prix London 2001 (Invasion block) | starting rating: 1535 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 63 | Meyer, Claude (1500) | Draw 1-1 | -11534 |
| 2block | 147 | GILLOTT, ADRIAN (1500) | Won 2-0 | +171551 |
| 3block | 87 | Duarte, Ricardo (1546) | Lost 1-2 | -181533 |
| 4block | 160 | Haffenden, Stuart (1484) | Draw 1-1 | -11532 |
| 5block | 167 | Nguyen, Dinh Tu (1486) | Lost 1-2 | -181514 |
| 6block | 157 | Hupin, Antoine (1481) | Won 2-0 | +171531 |
| 7block | 128 | Friedlender, Brice (1469) | Won 2-0 | +171548 |
| 8block | 96 | Reinhardt, Fabio (1548) | Draw 1-1 | 01548 |
| top | average opponent: 1502record: 3-2-3 | new rating: 1548 | ||
| 2001 European Championship (mixed) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 90 | Cerasari, Andrea (1520) | Draw 1-1 | 01500 |
| 2standard | 64 | Skrbec, Ziga (1310) | Lost 0-2 | -211479 |
| 3standard | 102 | Plachy, Robert (1501) | Won 2-0 | +181497 |
| 4standard | 67 | Tschirch, Marc (1613) | Lost 1-2 | -161481 |
| 5standard | 94 | Postema, Bas (1757) | Lost 0-2 | -131468 |
| 6standard | 111 | Strakhov, Alexander (1556) | Draw 1-1 | +21470 |
| 7standard | 116 | Edbury, Richard (1627) | Won 2-0 | +211491 |
| 8rochester | 73 | Tomse, Jakob (1519) | Lost 1-2 | -181473 |
| 9rochester | 53 | Nunes, Goncalo (1600) | Won 2-1 | +211494 |
| 10rochester | 68 | Bruck, Steve (1472) | Won 2-1 | +171511 |
| 11rochester | 13 | Thrane, Jesper (1719) | Lost 0-2 | -141497 |
| 12rochester | 26 | Zidek, Arnost (1518) | Won 2-1 | +181515 |
| 13rochester | 34 | Petri, Giulio (1593) | Won 2-1 | +201535 |
| top | average opponent: 1562record: 6-5-2 | new rating: 1535 | ||