Petkov, Kaloyan
Current rating: 1594
Record: 23-16 (GP) / 7-15-1 (professional)
| Regional Championships San Diego 2023 (ONE standard) | starting rating: 1565 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 178 | Mowry, Connor (1486) | Won 2-1 | +161581 |
| 2standard | 226 | Wood, Noah (1493) | Won 2-0 | +171598 |
| 3standard | 53 | Isaacs, Noah (1535) | Won 2-1 | +171615 |
| 4standard | 41 | Jarvis, Kasey (1663) | Won 2-0 | +181633 |
| 5standard | 25 | Burkhart, Corey (1890) | Lost 0-2 | -131620 |
| 6standard | 77 | O'Donnell, Devon (1774) | Lost 0-2 | -151605 |
| 7standard | 60 | Pai, Krishna (1531) | Won 2-1 | +161621 |
| 8standard | 45 | Loveman, Eli (1962) | Lost 1-2 | -121609 |
| 9standard | 147 | Zachow, Andrew (1722) | Lost 1-2 | -151594 |
| top | average opponent: 1673record: 5-4 | new rating: 1594 | ||
| Grand Prix Washington DC 2019 (MH1 limited) | starting rating: 1475 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 116 | Galindo, Cameron (1398) | Won 0-0 | +171492 |
| 3sealed | 69 | Marcellana, Ian (1557) | Won 2-0 | +191511 |
| 4sealed | 51 | Simon, Michael (1665) | Lost 0-2 | -151496 |
| 5sealed | 72 | Beaman, PJ (1586) | Lost 1-2 | -171479 |
| 6sealed | 217 | Neal, Brian (1445) | Won 2-0 | +181497 |
| 7sealed | 102 | LePine, Mark (1823) | Won 2-0 | +231520 |
| 8sealed | 92 | Ruiz, Matthew (1645) | Won 2-1 | +211541 |
| 9sealed | 47 | Ellis, Jamie (1597) | Lost 0-2 | -171524 |
| 10draft | 106 | Blough, Sean (1565) | Won 2-1 | +191543 |
| 11draft | 78 | Pimm, Douglas (1640) | Won 2-0 | +191562 |
| 12draft | 65 | Vuchnich, Alexander (1607) | Won 2-1 | +191581 |
| 13draft | 34 | Rubinstein, Garrett (1546) | Lost 1-2 | -191562 |
| 14draft | 90 | Rosenblum-Sellers, Iris (1612) | Lost 0-2 | -171545 |
| 15draft | 60 | Kesselman, Matthew (1623) | Won 2-0 | +201565 |
| top | average opponent: 1593record: 9-5 | new rating: 1565 | ||
| Grand Prix Singapore 2018 (DOM standard) | starting rating: 1439 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 43 | Fujiwara, Kazuma (1568) | Lost 1-2 | -161423 |
| 3standard | 287 | Wei, Jian Liang (1482) | Won 2-0 | +191442 |
| 4standard | 221 | Ng, Wei San Wesley (1647) | Won 2-0 | +221464 |
| 5standard | 141 | Asehan, Ceasar John (1526) | Won 2-0 | +191483 |
| 6standard | 63 | Matsuura, Takumi (1813) | Lost 1-2 | -121471 |
| 7standard | 129 | Ping How, Ng (1532) | Won 2-0 | +191490 |
| 8standard | 72 | Choi, Kwok Keong (1661) | Lost 0-2 | -151475 |
| top | average opponent: 1604record: 4-3 | new rating: 1475 | ||
| Grand Prix Dallas-Fort Worth 2016 (modern) | starting rating: 1408 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 332 | Williams, Halston (1542) | Won 2-0 | +211429 |
| 2modern | 144 | Mayes, Logan (1638) | Lost 1-2 | -151414 |
| 3modern | 496 | Schultz, Kriz (1204) | Won 2-0 | +151429 |
| 4modern | 540 | Keithline, Brendan (1518) | Won 2-0 | +191448 |
| 5modern | 252 | Norman, William (1569) | Lost 1-2 | -161432 |
| 6modern | 557 | Kibodeaux, Clark (1408) | Lost 1-2 | -181414 |
| 7modern | 669 | Herrera, Matthew (1504) | Won 2-1 | +201434 |
| 8modern | 394 | Lowry, William (1725) | Won 2-0 | +231457 |
| 9modern | 258 | Lewis, John (1466) | Lost 1-2 | -181439 |
| top | average opponent: 1508record: 5-4 | new rating: 1439 | ||
| 2006 World Championship (mixed) | starting rating: 1492 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 125 | Makuch, Michal (1466) | Lost 0-2 | -191473 |
| 2standard | 166 | Dictus, Mark (1720) | Lost 1-2 | -131460 |
| 3standard | 172 | Rosner, Bodo (1812) | Lost 0-2 | -121448 |
| 4standard | 177 | Veigel, Cameron (1463) | Lost 1-2 | -181430 |
| 5standard | 175 | Mougenot, Florent (1466) | Won 2-1 | +191449 |
| 6standard | 162 | Sverrisson, Jon S. (1457) | Lost 0-2 | -181431 |
| 7draft | 18 | Camargo, Andres (1422) | Lost 0-2 | -181413 |
| 9draft | 158 | Putilin, Branko (1458) | Draw 1-1 | +11414 |
| 10draft | 71 | Piechnick, Daniel (1461) | Won 2-0 | +181432 |
| 11draft | 94 | Putilin, Branko (1475) | Won 2-0 | +191451 |
| 12draft | 127 | Selihove, Sergi (1459) | Lost 0-2 | -181433 |
| 13extended | 140 | Krautmann, Wenzel (1698) | Lost 1-2 | -131420 |
| 14extended | 146 | Gasparac, Lovro (1436) | Won 2-0 | +181438 |
| 15extended | 134 | Kurihara, Shingou (1763) | Lost 0-2 | -121426 |
| 16extended | 137 | Murray, Stephen (1361) | Lost 1-2 | -191407 |
| 17extended | 139 | Bongaards, Jasper (1517) | Won 2-0 | +201427 |
| 18extended | 131 | Delgado, Ernesto (1384) | Lost 1-2 | -191408 |
| top | average opponent: 1519record: 5-11-1 | new rating: 1408 | ||
| Pro Tour Kobe 2006 (TSP draft) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 95 | Wigge, Mathias (1902) | Lost 0-2 | -111489 |
| 2draft | 41 | Serra, Pierre (1550) | Won 2-1 | +191508 |
| 3draft | 100 | Martinez Silhy, Carlos (1504) | Won 2-1 | +181526 |
| 4draft | 127 | Levy, Raphael (2024) | Lost 0-2 | -101516 |
| 5draft | 133 | Snepvangers, Bram (1857) | Lost 0-2 | -121504 |
| 6draft | 141 | Eigner, Nikolaus (1811) | Lost 0-2 | -121492 |
| top | average opponent: 1775record: 2-4 | new rating: 1492 | ||