ACC Club Championships 2025 Rounds 1-2
Open SwissStandard
69 players participated in this 2-round tournament, held from 18 Aug 2025 to 25 Aug 2025 in Auckland, New Zealand. 11 titled players from 3 federations. Top 10 Elo average was 2074, and top seed was Alphaeus Wei Ern Ang (🇳🇿 NZL, FM, 2390).
Alphaeus Wei Ern Ang (🇳🇿 NZL, FM, 2390) won with 2.0/2, ahead of Ilias Angelo (Leo) Baker (2.0) and David Junyang Zhu (2.0). Ang shared the lead from round 1, winning on tie-break.
The biggest upset came in round 1: Matthias Van der Maas (1589) beat Cohen Young (CM, 2030), a +441-point gap.
Location
🇳🇿Auckland, New Zealand
Dates
18 Aug 2025 → 25 Aug 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 2 rounds
Titled players · 11
FM×2
CM×7
WCM×2
Federations · 3 represented
🇳🇿New Zealand×64
🇬🇧England×2
🇻🇳Vietnam×1
Top 3
- 🥇
- 🥈
- 🥉
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Ang, Alphaeus Wei ErnFM | 2390 | NZL | +18B | +20N | 2.0 | 1.0 | 2.0 | 2.00 | 2791 | +1.6 |
| 2 | Baker, Ilias Angelo (Leo)CM | 2060 | NZL | +24N | +26B | 2.0 | 1.0 | 2.0 | 2.00 | 2502 | +4.4 |
| 3 | Zhu, David Junyang | 1932 | NZL | +28B | +16N | 2.0 | 1.0 | 2.0 | 2.00 | 2429 | +12.8 |
| 4 | Liu, William RuiCM | 2061 | NZL | +19B | +17N | 2.0 | 1.0 | 2.0 | 2.00 | 2527 | +10.0 |
| 5 | Lin, Michael | 1816 | NZL | +21N | +14B | 2.0 | 1.0 | 2.0 | 2.00 | 2342 | +14.0 |
| 6 | Mao, DaqiFM | 2200 | NZL | +42N | +22B | 2.0 | 1.0 | 1.5 | 1.50 | 2600 | +6.4 |
| 7 | Tao, Junqing Jerome | 1756 | NZL | +43N | +15B | 2.0 | 1.0 | 1.5 | 1.50 | 2789 | +31.6 |
| 8 | Wang, Zi Yao (kelvin) | 1853 | NZL | +54B | +27N | 2.0 | 1.0 | 1.0 | 1.00 | 2425 | +17.6 |
| 9 | Dooley, Max | 1843 | ENG | +53N | +25B | 2.0 | 1.0 | 1.0 | 1.00 | 2403 | +8.6 |
| 10 | Tang, HaoCM | 2018 | NZL | +52B | +23N | 2.0 | 1.0 | 1.0 | 1.00 | 2499 | +5.6 |
| 11 | Nagorski, AlexCM | 1951 | NZL | +29N | =12B | 1.5 | 1.5 | 2.5 | 1.75 | 1829 | -4.2 |
| 12 | Hwang, Ryan | 1720 | NZL | +55B | =11N | 1.5 | 1.5 | 1.5 | 0.75 | 1951 | +11.6 |
| 13 | Feng, SophiaWCM | 1851 | NZL | =44N | +56B | 1.5 | 0.5 | 0.5 | 0.25 | 1780 | -5.2 |
| 14 | Van der Maas, Matthias | 1589 | NZL | +32B | −5N | 1.0 | 2.0 | 3.0 | 1.00 | 1903 | +28.0 |
| 15 | Preeyansh Roul | 1988 | NZL | +47B | −7N | 1.0 | 2.0 | 2.5 | 0.50 | 1672 | -28.4 |
| 16 | Xu, Huankai (eden) | 1727 | NZL | +45N | −3B | 1.0 | 2.0 | 2.5 | 0.50 | 1132 | -9.6 |
| 17 | McConnell, Jack | 1788 | NZL | +57N | −4B | 1.0 | 2.0 | 2.0 | 0.00 | 1754 | -1.2 |
| 18 | Guo, Anne Xuduo | 1645 | NZL | −1N | +57B | 1.0 | 2.0 | 2.0 | 0.00 | 1745 | +6.4 |
| 19 | Meng, Harrison Xiang Zhi | 1605 | NZL | −4N | +61B | 1.0 | 2.0 | 2.0 | 0.00 | 1727 | +7.2 |
| 20 | Nimmakayala, Srirama Vikhyath | 1802 | NZL | +60B | −1B | 1.0 | 2.0 | 2.0 | 0.00 | 1832 | +1.6 |
| 21 | Saunders, Dean | 1495 | NZL | −5B | +62N | 1.0 | 2.0 | 2.0 | 0.00 | 1736 | +23.6 |
| 22 | Fabay, Jenre Angelo | 1758 | NZL | +58B | −6N | 1.0 | 2.0 | 2.0 | 0.00 | 1783 | +1.2 |
| 23 | Guo, Benjamin | 1783 | NZL | +61N | −10B | 1.0 | 2.0 | 2.0 | 0.00 | 1727 | -1.6 |
| 24 | Zhou, Adele | 1595 | NZL | −2B | +58N | 1.0 | 2.0 | 2.0 | 0.00 | 1702 | +7.2 |
| 25 | Yue, Annie | 1702 | NZL | +59B | −9N | 1.0 | 2.0 | 2.0 | 0.00 | 1044 | -12.4 |
| 26 | Pan, Alexander Hanrui | 1746 | NZL | +65B | −2N | 1.0 | 2.0 | 2.0 | 0.00 | 1258 | -5.6 |
| 27 | Balakeyan, Raj | 1713 | NZL | +63N | −8B | 1.0 | 2.0 | 2.0 | 0.00 | 1052 | -6.2 |
| 28 | Zhao, Nicole Xiaoyin | 1531 | NZL | −3N | +63B | 1.0 | 2.0 | 2.0 | 0.00 | 1131 | -3.2 |
| 29 | Zhao, Yuanyi (Rebecca) | 1545 | NZL | −11B | +59N | 1.0 | 1.5 | 1.5 | 0.00 | 1144 | -3.2 |
| 30 | FIDE 4332229 | 0 | — | +33B | F | 1.0 | 1.0 | 1.0 | 1.00 | 1666 | 0.0 |
| 31 | Tew, Yao Zen MarkisCM | 2012 | NZL | +34N | F | 1.0 | 1.0 | 1.0 | 1.00 | 2411 | +1.6 |
| 32 | Young, CohenCM | 2030 | NZL | −14N | +67B | 1.0 | 1.0 | 1.0 | 0.00 | 1630 | -16.8 |
| 33 | Song, Quinn | 1646 | NZL | −30N | +60B | 1.0 | 1.0 | 1.0 | 0.00 | 2265 | +10.4 |
| 34 | Smith, Peter K | 1572 | NZL | −31B | +55N | 1.0 | 1.0 | 1.0 | 0.00 | 1174 | -3.2 |
| 35 | Sun, Oliver | 1761 | NZL | F | +44B | 1.0 | 0.5 | 0.5 | 0.50 | 2338 | +8.8 |
| 36 | Wang, Justin ZhideCM | 2031 | NZL | +48B | F | 1.0 | 0.5 | 0.5 | 0.50 | 2431 | +3.2 |
| 37 | Po`e-Tofaeono, Grayson | 1783 | NZL | +46B | F | 1.0 | 0.5 | 0.5 | 0.50 | 2242 | +4.8 |
| 38 | Liu, Richard Jingjie | 1857 | NZL | F | +68B | 1.0 | 0.0 | 0.0 | 0.00 | 2432 | +8.4 |
| 39 | Jiang, Patrick Di | 1844 | NZL | F | +64N | 1.0 | 0.0 | 0.0 | 0.00 | 2418 | +8.4 |
| 40 | Sun, Wanyao SarahWCM | 1806 | NZL | F | +66N | 1.0 | 0.0 | 0.0 | 0.00 | 2416 | +10.0 |
| 41 | Bukhari, Syed Muhammad Omar | 0 | NZL | +62B | −?N | 1.0 | 0.0 | 0.0 | 0.00 | 1758 | 0.0 |
| 42 | Powlesland, Brogan | 1635 | NZL | −6B | =46N | 0.5 | 2.0 | 2.5 | 0.25 | 1543 | -6.4 |
| 43 | Steiner, Michael | 0 | NZL | −7B | =48N | 0.5 | 2.0 | 2.5 | 0.25 | 1482 | 0.0 |
| 44 | Kirschbaum, Asher | 1539 | NZL | =13B | −35N | 0.5 | 1.5 | 2.5 | 0.75 | 1612 | +5.6 |
| 45 | Liang, David Ye Cheng | 0 | NZL | −16B | =47N | 0.5 | 1.0 | 1.5 | 0.25 | 1454 | 0.0 |
| 46 | Tang, Kevin | 1441 | NZL | −37N | =42B | 0.5 | 1.0 | 1.5 | 0.25 | 1513 | +2.4 |
| 47 | Michael, Andrew | 1568 | NZL | −15N | =45B | 0.5 | 1.0 | 1.5 | 0.25 | 1168 | -1.6 |
| 48 | Yuan, Hong | 1591 | NZL | −36N | =43B | 0.5 | 1.0 | 1.5 | 0.25 | 1195 | -1.6 |
| 49 | Xu, Jeremy Xi | 1769 | NZL | F | =50B | 0.5 | 0.5 | 0.5 | 0.25 | 1608 | -8.4 |
| 50 | Zhang, Lucas Boyu | 1607 | NZL | F | =49N | 0.5 | 0.5 | 0.5 | 0.25 | 1770 | +8.4 |
| 51 | Li, Xiaoliang | 0 | NZL | F | =?B | 0.5 | 0.0 | 0.0 | 0.00 | 1709 | 0.0 |
| 52 | Wang, Linyu | 1579 | NZL | −10N | F | 0.0 | 2.0 | 2.0 | 0.00 | 1180 | -3.2 |
| 53 | Milne, Virginia | 1502 | NZL | −9B | F | 0.0 | 2.0 | 2.0 | 0.00 | 1044 | -2.4 |
| 54 | Thompson, Michael | 1536 | ENG | −8N | F | 0.0 | 2.0 | 2.0 | 0.00 | 1052 | -2.6 |
| 55 | McClory, John | 0 | NZL | −12N | −34B | 0.0 | 1.5 | 2.5 | 0.00 | 847 | 0.0 |
| 56 | Barry, Jacob | 1636 | NZL | F | −13N | 0.0 | 1.5 | 1.5 | 0.00 | 1051 | -4.6 |
| 57 | Wang, Zi Hao (Johnny) | 1444 | NZL | −17B | −18N | 0.0 | 1.0 | 2.0 | 0.00 | 918 | -14.0 |
| 58 | Ma, Roy | 1423 | NZL | −22N | −24B | 0.0 | 1.0 | 2.0 | 0.00 | 875 | -14.8 |
| 59 | FIDE 4313399 | 0 | — | −25N | −29B | 0.0 | 1.0 | 2.0 | 0.00 | 823 | 0.0 |
| 60 | Smith, Jeremy D S | 1466 | NZL | −20N | −33N | 0.0 | 1.0 | 2.0 | 0.00 | 922 | -7.6 |
| 61 | Xu, Vera Jintian | 1435 | NZL | −23B | −19N | 0.0 | 1.0 | 2.0 | 0.00 | 899 | -15.2 |
| 62 | Yay, Coskun | 1663 | NZL | −41N | −21B | 0.0 | 1.0 | 2.0 | 0.00 | 694 | -28.8 |
| 63 | Zhou, Guangzhao (allison) | 0 | NZL | −27B | −28N | 0.0 | 1.0 | 2.0 | 0.00 | 822 | 0.0 |
| 64 | Zhou, Martin | 1618 | NZL | F | −39B | 0.0 | 1.0 | 1.0 | 0.00 | 1044 | -8.4 |
| 65 | Wong, Eric | 0 | NZL | −26N | F | 0.0 | 1.0 | 1.0 | 0.00 | 946 | 0.0 |
| 66 | Dann, Huw | 1616 | NZL | F | −40B | 0.0 | 1.0 | 1.0 | 0.00 | 1007 | -5.0 |
| 67 | Nguyen, Kane | 1496 | NZL | F | −32N | 0.0 | 1.0 | 1.0 | 0.00 | 1095 | -3.2 |
| 68 | Vu Gia Hung | 1645 | VIE | F | −38N | 0.0 | 1.0 | 1.0 | 0.00 | 1058 | -8.4 |
| 69 | Griffin, Peter | 0 | NZL | −?N | F | 0.0 | 0.0 | 0.0 | 0.00 | 851 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Tao, Junqing JeromeNZL+31.62.0 pts · #23
- 2Van der Maas, MatthiasNZL+28.01.0 pts · #21
- 3Saunders, DeanNZL+23.61.0 pts · #28
Top rating losers
- 1Yay, CoskunNZL-28.80.0 pts · #63
- 2Preeyansh RoulNZL-28.41.0 pts · #16
- 3Young, CohenCMNZL-16.81.0 pts · #13
Biggest upsets
- R1+441 Elo gap
- R2+232 Elo gap
- R2+168 Elo gap