Shamus O'Brien
Las Vegas Regionals (2025-11-14)
Placement1948/2919Record1/2/4Prev. Elo1114New Elo1075 (−39)Prev. Rank#4911New Rank#8790 (▼3879)
Full standings for Las Vegas Regionals 2026
Matches
| Round | Opponent | Opp. Rank | Opp. Elo | Result | Elo |
|---|---|---|---|---|---|
| R7 |  Rodrigo Jose Sigala | - | 970 | Tie | 1075 (−4) |
| R6 | Caleb Becker | #34075 | 923 | Tie | 1079 (−7) |
| R5 | Drew Ahlberg | #5227 | 1094 | Loss | 1086 (−16) |
| R4 | Gabriel Faudoa | #24268 | 987 | Tie | 1102 (−5) |
| R3 | Carlos Paz | - | 959 | Win | 1107 (+9) |
| R2 | Aaron Edwards | #4747 | 1092 | Tie | 1098 (−1) |
| R1 | Alyssa Gilman | #4872 | 1114 | Loss | 1099 (−15) |