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| Cossaboon, Karl - 1789 | |||||||||
| USCF page | |||||||||
| Ratings Graphs | |||||||||
| Player | Rating | Record | |||||||
| Troltenier, Dirk | 2,246 | 0-0-1 | |||||||
| Debmisra, Ariv | 2,184 | 0-0-2 | |||||||
| Mucerino, Joe | 2,071 | 0-0-2 | |||||||
| Kline, Ed | 2,029 | 0-1-1 | |||||||
| Kennedy, Kevin | 2,023 | 0-0-1 | |||||||
| Fleming, Andrew | 1,977 | 0-0-1 | |||||||
| Larsen, James | 1,977 | 0-1-0 | |||||||
| Biscoe, Aaron | 1,933 | 2-0-0 | |||||||
| Acharya, Kritarth | 1,928 | 1-0-0 | |||||||
| Karthikeyan, Adhinanth | 1,915 | 0-1-0 | |||||||
| Bryans, Nat | 1,878 | 0-0-1 | |||||||
| Cossaboon, Karl | 1,789 | ||||||||
| Nettem, Subhang | 1,771 | 1-0-0 | |||||||
| Richard, Gideon | 1,758 | 1-0-0 | |||||||
| Misra, Aritra | 1,674 | 0-0-2 | |||||||
| Flanagan, Bob | 1,662 | 0-0-1 | |||||||
| Guay, Todd | 1,635 | 2-0-0 | |||||||
| Treftz, Ryan | 1,627 | 1-0-0 | |||||||
| Snyder, Ed | 1,595 | 3-0-0 | |||||||
| Nettem, Samika | 1,566 | 0-1-0 | |||||||
| Bryan, Ed | 1,538 | 1-0-0 | |||||||
| James, Logan | 1,525 | 1-0-0 | |||||||
| McCarthy, Brendan | 1,516 | 2-1-0 | |||||||
| Nazor, Vedran | 1,508 | 1-0-0 | |||||||
| Newman, Dan | 1,428 | 1-0-0 | |||||||
| Total | 17-5-12 | ||||||||
| Date | Opponent | Winner | Swiss | ||||||
| Sep 24, 2026 | Bryans, Nat | Bryans, Nat | Autumnal Equinox Swiss | ||||||
| Sep 17, 2026 | McCarthy, Brendan | Cossaboon, Karl | Autumnal Equinox Swiss | ||||||
| Sep 10, 2026 | Mucerino, Joe | Mucerino, Joe | Autumnal Equinox Swiss | ||||||
| Sep 3, 2026 | James, Logan | Cossaboon, Karl | Founder's Swiss | ||||||
| Aug 27, 2026 | Misra, Aritra | Misra, Aritra | Founder's Swiss | ||||||
| Aug 20, 2026 | Debmisra, Ariv | Debmisra, Ariv | Founder's Swiss | Gotlib, Lou | |||||
| Aug 13, 2026 | Snyder, Ed | Cossaboon, Karl | Founder's Swiss | ||||||
| Aug 6, 2026 | Acharya, Kritarth | Cossaboon, Karl | Meteror Shower Quad | ||||||
| Aug 6, 2026 | Nettem, Subhang | Cossaboon, Karl | Meteror Shower Quad | ||||||
| Aug 6, 2026 | Richard, Gideon | Cossaboon, Karl | Meteror Shower Quad | ||||||
| Jul 30, 2026 | Kennedy, Kevin | Kennedy, Kevin | Diamond Swiss | ||||||
| Jul 23, 2026 | Snyder, Ed | Cossaboon, Karl | Diamond Swiss | ||||||
| Jul 16, 2026 | Nettem, Samika | draw | Diamond Swiss | ||||||
| Jul 9, 2026 | McCarthy, Brendan | draw | Diamond Swiss | ||||||
| Jul 2, 2026 | Kline, Ed | draw | Summer Solstice | ||||||
| Jun 25, 2026 | Mucerino, Joe | Mucerino, Joe | Summer Solstice | ||||||
| Jun 18, 2026 | Biscoe, Aaron | Cossaboon, Karl | Summer Solstice | ||||||
| Jun 11, 2026 | Snyder, Ed | Cossaboon, Karl | Summer Solstice | ||||||
| Jun 4, 2026 | Guay, Todd | Cossaboon, Karl | June Quads | ||||||
| Jun 4, 2026 | McCarthy, Brendan | Cossaboon, Karl | June Quads | ||||||
| Jun 4, 2026 | Karthikeyan, Adhinanth | draw | June Quads | ||||||
| May 21, 2026 | Kline, Ed | Kline, Ed | May Swiss Open | ||||||
| May 14, 2026 | Biscoe, Aaron | Cossaboon, Karl | May Swiss Open | ||||||
| May 7, 2026 | Newman, Dan | Cossaboon, Karl | May Swiss Open | ||||||
| Apr 27, 2026 | Fleming, Andrew | Fleming, Andrew | Michael Bury Memorial Swiss - Open | ||||||
| Apr 20, 2026 | Larsen, James | draw | Michael Bury Memorial Swiss - Open | ||||||
| Apr 13, 2026 | Bryan, Ed | Cossaboon, Karl | Michael Bury Memorial Swiss - Open | ||||||
| Apr 6, 2026 | Debmisra, Ariv | Debmisra, Ariv | Michael Bury Memorial Swiss - Open | ||||||
| Apr 2, 2026 | Guay, Todd | Cossaboon, Karl | April Fools Quad | ||||||
| Apr 2, 2026 | Nazor, Vedran | Cossaboon, Karl | April Fools Quad | ||||||
| Apr 2, 2026 | Treftz, Ryan | Cossaboon, Karl | April Fools Quad | ||||||
| Mar 19, 2026 | Misra, Aritra | Misra, Aritra | March Mate-ness Open | ||||||
| Mar 12, 2026 | Flanagan, Bob | Flanagan, Bob | March Mate-ness Open | ||||||
| Mar 5, 2026 | Troltenier, Dirk | Troltenier, Dirk | March Mate-ness Open | ||||||