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| Cossaboon, Karl - 1702 | |||||||||
| USCF page | |||||||||
| Ratings Graphs | |||||||||
| Player | Rating | Record | |||||||
| Bryans, Nathaniel | 1,933 | 0-0-1 | |||||||
| Ross, Mel | 1,824 | 0-1-0 | |||||||
| McRee, Pat | 1,767 | 0-0-1 | |||||||
| Guay, Todd | 1,764 | 0-0-1 | |||||||
| Acharya, Kritarth | 1,760 | 0-0-1 | |||||||
| Nettem, Subhang | 1,750 | 0-1-0 | |||||||
| Richard, Gideon | 1,741 | 0-0-1 | |||||||
| Cossaboon, Karl | 1,702 | ||||||||
| Bowden, Anthony | 1,621 | 2-0-0 | |||||||
| Srinivasula, Pranav | 1,606 | 4-2-0 | |||||||
| Anderson, Donald | 1,600 | 1-0-0 | |||||||
| Nettem, Samika | 1,575 | 1-1-0 | |||||||
| Marcus, Michael | 1,554 | 1-0-1 | |||||||
| Flanagan, Bob | 1,539 | 2-0-0 | |||||||
| Ditomassi, James | 1,516 | 0-0-1 | |||||||
| Zhang, Vincent | 1,513 | 1-0-0 | |||||||
| Newman, Dan | 1,479 | 1-0-0 | |||||||
| Andersson, Dane | 1,410 | 0-1-0 | |||||||
| Moyer, Will | 1,400 | 2-0-0 | |||||||
| James, Logan | 1,390 | 1-0-0 | |||||||
| Govindarajula, Murthy | 1,367 | 3-0-0 | |||||||
| Sadler, Will | 1,237 | 2-0-0 | |||||||
| Mahmood, Samar | 1,219 | 1-0-1 | |||||||
| Evans, Bruce | 1,105 | 2-0-0 | |||||||
| Total | 24-6-8 | ||||||||
| Date | Opponent | Winner | Swiss | ||||||
| Jan 29, 2026 | Srinivasula, Pranav | draw | Gap Swiss | ||||||
| Jan 22, 2026 | Bowden, Anthony | Cossaboon, Karl | Gap Swiss | ||||||
| Jan 15, 2026 | Ross, Mel | draw | Gap Swiss | ||||||
| Jan 8, 2026 | Nettem, Subhang | draw | Gap Swiss | ||||||
| Dec 11, 2025 | Nettem, Samika | Cossaboon, Karl | Holiday Swiss | ||||||
| Dec 4, 2025 | Flanagan, Bob | Cossaboon, Karl | Holiday Swiss | ||||||
| Nov 27, 2025 | Srinivasula, Pranav | Cossaboon, Karl | Holiday Swiss | ||||||
| Nov 20, 2025 | Govindarajula, Murthy | Cossaboon, Karl | Holiday Swiss | ||||||
| Nov 13, 2025 | Govindarajula, Murthy | Cossaboon, Karl | Halloween Swiss | ||||||
| Oct 30, 2025 | Marcus, Michael | Cossaboon, Karl | Halloween Swiss | ||||||
| Oct 23, 2025 | James, Logan | Cossaboon, Karl | Halloween Swiss | ||||||
| Oct 16, 2025 | Flanagan, Bob | Cossaboon, Karl | 2025 Greg Nolan Memorial Quad | ||||||
| Oct 16, 2025 | Moyer, Will | Cossaboon, Karl | 2025 Greg Nolan Memorial Quad | ||||||
| Oct 16, 2025 | Marcus, Michael | Marcus, Michael | 2025 Greg Nolan Memorial Quad | ||||||
| Oct 9, 2025 | Srinivasula, Pranav | Cossaboon, Karl | 2025 Rooktoberfest Swiss U1600 | ||||||
| Oct 2, 2025 | Zhang, Vincent | Cossaboon, Karl | 2025 Rooktoberfest Swiss U1600 | ||||||
| Sep 25, 2025 | Newman, Dan | Cossaboon, Karl | 2025 Rooktoberfest Swiss U1600 | ||||||
| Sep 18, 2025 | Ditomassi, James | Ditomassi, James | 2025 Rooktoberfest Swiss U1600 | ||||||
| Aug 28, 2025 | Evans, Bruce | Cossaboon, Karl | 2025 Summer's End Swiss | ||||||
| Aug 14, 2025 | Srinivasula, Pranav | draw | 2025 Summer's End Swiss | ||||||
| Jul 31, 2025 | Srinivasula, Pranav | Cossaboon, Karl | 2025 Independence Swiss | ||||||
| Jul 24, 2025 | Mahmood, Samar | Mahmood, Samar | 2025 Independence Swiss | ||||||
| Jun 26, 2025 | Moyer, Will | Cossaboon, Karl | 2025 Summer Solstice U1600 | ||||||
| Jun 19, 2025 | Nettem, Samika | draw | 2025 Summer Solstice U1600 | ||||||
| Jun 12, 2025 | Evans, Bruce | Cossaboon, Karl | 2025 Summer Solstice U1600 | ||||||
| May 29, 2025 | Acharya, Kritarth | Acharya, Kritarth | 2025 MAYhem Quads | ||||||
| May 29, 2025 | Srinivasula, Pranav | Cossaboon, Karl | 2025 MAYhem Quads | ||||||
| May 29, 2025 | Govindarajula, Murthy | Cossaboon, Karl | 2025 MAYhem Quads | ||||||
| May 15, 2025 | Sadler, Will | Cossaboon, Karl | 2025 Memorial Mayhem Swiss - U1600 | ||||||
| May 8, 2025 | Guay, Todd | Guay, Todd | 2025 Memorial Mayhem Swiss - Open | ||||||
| May 1, 2025 | Richard, Gideon | Richard, Gideon | 2025 Memorial Mayhem Swiss - Open | ||||||
| Apr 24, 2025 | Andersson, Dane | draw | 2025 Spring Quad | ||||||
| Apr 24, 2025 | Mahmood, Samar | Cossaboon, Karl | 2025 Spring Quad | ||||||
| Apr 24, 2025 | Sadler, Will | Cossaboon, Karl | 2025 Spring Quad | ||||||
| Apr 17, 2025 | Bowden, Anthony | Cossaboon, Karl | 2025 Spring Swiss - Open | ||||||
| Apr 10, 2025 | Bryans, Nathaniel | Bryans, Nathaniel | 2025 Spring Swiss - Open | ||||||
| Mar 27, 2025 | Anderson, Donald | Cossaboon, Karl | 2025 Spring Swiss - Open | ||||||
| Feb 20, 2025 | McRee, Pat | McRee, Pat | 2025 KIckoff Swiss - Open | ||||||