Pacific Coast Open 2025
August 08, 2025 - August 10, 2025
When your game is over, please confirm the result with your opponent by signing each other's notation sheets. After you have done this, please also write the result of your game on the yellow pairing sheet in the hall. If your result is not reported correctly, this may affect your pairings, rating and possible prize.
Thank You, Everyone, for joining us in Irvine, California for the 30th edition of the Pacific Coast Open!
Tournament Information: Sections, schedules, entry fees, prize funds, hotel info, etc.
Standings for Under 1300:
SwissSys Standings. CCA_PCO25: Under 1300 Section
| # | Place | Name | ID | Rating | Team | St | Rd 1 | Rd 2 | Rd 3 | Rd 4 | Rd 5 | Rd 6 | Total | Prize |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | Mason Chairunas | 31497769 | 1299 | CA | W12 (b) | D4 (w) | W7 (w) | W19 (b) | W2 (b) | W5 (w) | 5.5 | 1600.00 | |
| 2 | 2 | Isaiah Y Chang | 14370094 | 1065 | CA | W22 (w) | W5 (b) | W32 (w) | W6 (b) | L1 (w) | W7 (b) | 5.0 | 800.00 | |
| 3 | 3-4 | Cole Charles Sugarman | 31294952 | 1215 | CA | W26 (w) | W25 (b) | D19 (w) | L4 (b) | W13 (w) | W15 (w) | 4.5 | 400.00 | |
| 4 | Lawrence Chan | 14541690 | 1184 | NV | W35 (w) | D1 (b) | W13 (w) | W3 (w) | L5 (b) | W10 (b) | 4.5 | 400.00 | ||
| 5 | 5-9 | Olivia Maokhampio | 31368540 | 1238 | MAOMAO | OR | W29 (b) | L2 (w) | W21 (b) | W23 (w) | W4 (w) | L1 (b) | 4.0 | |
| 6 | Bill Chen | 31306702 | 1226 | CA | W28 (b) | W8 (w) | W17 (b) | L2 (w) | L10 (b) | W12 (w) | 4.0 | |||
| 7 | Austin Huang | 30018737 | 1215 | CA | W33 (b) | W15 (w) | L1 (b) | W32 (w) | W17 (b) | L2 (w) | 4.0 | |||
| 8 | Elijah Levin | 31084717 | 1162 | NV | W31 (w) | L6 (b) | D15 (w) | D9 (b) | W22 (w) | W19 (b) | 4.0 | |||
| 9 | Adam Vega Crisostomo | 31954208 | 1101 | CA | D14 (b) | D10 (w) | D24 (b) | D8 (w) | W30 (b) | W17 (w) | 4.0 | |||
| 10 | 10-15 | Tiffany Chen | 31968406 | 1240 | CHECHE | CA | H--- | D9 (b) | W26 (w) | D11 (b) | W6 (w) | L4 (w) | 3.5 | |
| 11 | Darryl Yang | 30259178 | 1178 | CA | W21 (b) | L19 (w) | W27 (b) | D10 (w) | L15 (b) | W26 (w) | 3.5 | |||
| 12 | Christopher Patrick | 31804498 | 1098 | CA | L1 (w) | D13 (b) | W33 (w) | W16 (b) | W18 (w) | L6 (b) | 3.5 | |||
| 13 | Mohit Kumar Rout | 30672059 | 1091 | CA | W16 (b) | D12 (w) | L4 (b) | W28 (w) | L3 (b) | W24 (w) | 3.5 | |||
| 14 | Marcus W Suzuki | 30641137 | 970 | CA | D9 (w) | L26 (b) | L22 (w) | W35 (w) | W25 (b) | W23 (b) | 3.5 | |||
| 15 | Ryan A Mezan | 32493230 | unr. | CA | W18 (w) | L7 (b) | D8 (b) | W24 (w) | W11 (w) | L3 (b) | 3.5 | |||
| 16 | 16-22 | Dylan Mackenzie | 30235026 | 1270 | CA | L13 (w) | D35 (b) | W30 (b) | L12 (w) | W32 (b) | D18 (w) | 3.0 | ||
| 17 | Leonardo Lien | 30771959 | 1221 | CA | W20 (w) | W23 (b) | L6 (w) | W22 (b) | L7 (w) | L9 (b) | 3.0 | |||
| 18 | Matthew Li | 31353776 | 1109 | CA | L15 (b) | D33 (w) | W35 (b) | W25 (w) | L12 (b) | D16 (b) | 3.0 | |||
| 19 | Whit D Bertch | 30238993 | 1056 | CA | W36 (w) | W11 (b) | D3 (b) | L1 (w) | D23 (b) | L8 (w) | 3.0 | |||
| 20 | Spencer Leach | 32226679 | 1033 | NV | L17 (b) | L30 (w) | D31 (b) | W27 (w) | D21 (b) | W32 (w) | 3.0 | |||
| 21 | Harold Han | 30850929 | 1010 | CA | L11 (w) | W36 (b) | L5 (w) | D34 (b) | D20 (w) | W30 (b) | 3.0 | |||
| 22 | Henry Minh Tran | 31980322 | 963 | CA | L2 (b) | W29 (w) | W14 (b) | L17 (w) | L8 (b) | W28 (w) | 3.0 | |||
| 23 | 23-27 | Ryan Guanchen Yu | 30819761 | 1173 | CA | W30 (b) | L17 (w) | W28 (b) | L5 (b) | D19 (w) | L14 (w) | 2.5 | ||
| 24 | Wyatt C Sledge | 31225814 | 1140 | LA | W34 (w) | L32 (b) | D9 (w) | L15 (b) | W33 (w) | L13 (b) | 2.5 | |||
| 25 | April Mara Cristal | 30251975 | 1059 | CRIBER | CA | W27 (b) | L3 (w) | H--- | L18 (b) | L14 (w) | W34 (b) | 2.5 | ||
| 26 | Juan A Scarda | 31935306 | 1022 | CA | L3 (b) | W14 (w) | L10 (b) | H--- | W34 (w) | L11 (b) | 2.5 | |||
| 27 | Michael D Rowe | 31841218 | 951 | CA | L25 (w) | W34 (b) | L11 (w) | L20 (b) | D29 (w) | W33 (b) | 2.5 | |||
| 28 | 28-32 | Jonah Baker | 32381606 | 1075 | CA | L6 (w) | W31 (b) | L23 (w) | L13 (b) | W36 (w) | L22 (b) | 2.0 | ||
| 29 | Linda S Williams | 12681775 | 1047 | WILWIL | CA | L5 (w) | L22 (b) | L34 (w) | B--- | D27 (b) | D31 (b) | 2.0 | ||
| 30 | Matthew Lingyu Ji | 30772006 | 981 | CA | L23 (w) | W20 (b) | L16 (w) | W36 (b) | L9 (w) | L21 (w) | 2.0 | |||
| 31 | Zelan Fang | 30629764 | 889 | FANFAN | CA | L8 (b) | L28 (w) | D20 (w) | L33 (b) | W35 (b) | D29 (w) | 2.0 | ||
| 32 | Ashwath Pradeep | 32035994 | 854 | CA | W37 (b) | W24 (w) | L2 (b) | L7 (b) | L16 (w) | L20 (b) | 2.0 | |||
| 33 | 33-35 | Sicheng Wang | 30964921 | 1012 | CA | L7 (w) | D18 (b) | L12 (b) | W31 (w) | L24 (b) | L27 (w) | 1.5 | ||
| 34 | Corina Maokhampio | 31368613 | 1007 | OR | L24 (b) | L27 (w) | W29 (b) | D21 (w) | L26 (b) | L25 (w) | 1.5 | |||
| 35 | Kellen Hsiao | 31905747 | 981 | CA | L4 (b) | D16 (w) | L18 (w) | L14 (b) | L31 (w) | W36 (b) | 1.5 | |||
| 36 | 36 | William T Cappuccino | 11464238 | 910 | CA | L19 (b) | L21 (w) | B--- | L30 (w) | L28 (b) | L35 (w) | 1.0 | ||
| 37 | 37 | Lyra Shapiro | 31825197 | 332 | CA | L32 (w) | U--- | U--- | U--- | U--- | U--- | 0.0 |