ACC Club Championships 2025 Rounds 8-9
Open SwissStandard
65 players participated in this 9-round tournament, held from 06 Oct 2025 to 13 Oct 2025 in Auckland, New Zealand. 12 titled players from 2 federations. Top 10 Elo average was 2030, and top seed was Alphaeus Wei Ern Ang (🇳🇿 NZL, FM, 2390).
Ilias Angelo (Leo) Baker (🇳🇿 NZL, CM, 2060) won with 2.0/9, ahead of Hao Tang (2.0) and Cohen Young (2.0). Baker shared the lead from round 1, winning on tie-break.
The biggest upset came in round 8: Preeyansh Roul (1988) beat Alphaeus Wei Ern Ang (FM, 2390), a +402-point gap.
Location
🇳🇿Auckland, New Zealand
Dates
06 Oct 2025 → 13 Oct 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 9 rounds
Titled players · 12
FM×1
CM×6
WCM×5
Federations · 2 represented
🇳🇿New Zealand×63
🇬🇧England×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 9 roundsTight race until R9; 5 players tied at 2.0/9, decided on Buchholz. Title race narrowed from 82 co-leaders at R4 to 5 at the finish.
Co-leaders
82
82
82
82
82
82
82
26
5
R9 · TIEBREAK CLUSTER
5 players finish on 2.0/9. Baker takes the title on Buchholz Cut1 (1.5).
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | R9 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Baker, Ilias Angelo (Leo)CM | 2060 | NZL | F | F | F | F | F | F | F | +43N | +26B | 2.0 | 1.5 | 1.5 | 1.50 | 2872 | +18.4 |
| 2 | Tang, HaoCM | 2018 | NZL | F | F | F | F | F | F | F | +55B | +15N | 2.0 | 1.0 | 1.0 | 1.00 | 2638 | +9.6 |
| 3 | Young, CohenCM | 2030 | NZL | F | F | F | F | F | F | F | +14B | +52N | 2.0 | 1.0 | 1.0 | 1.00 | 2959 | +25.8 |
| 4 | Liu, Richard Jingjie | 1857 | NZL | F | F | F | F | F | F | F | +58N | +27B | 2.0 | 1.0 | 1.0 | 1.00 | 2632 | +36.8 |
| 5 | Lin, Michael | 1816 | NZL | F | F | F | F | F | F | F | +18N | +53B | 2.0 | 1.0 | 1.0 | 1.00 | 2571 | +36.0 |
| 6 | Fabay, Jenre Angelo | 1758 | NZL | F | F | F | F | F | F | F | +16N | =7B | 1.5 | 2.5 | 2.5 | 1.75 | 1898 | +18.0 |
| 7 | Zhu, David Junyang | 1932 | NZL | F | F | F | F | F | F | F | +25N | =6N | 1.5 | 2.5 | 2.5 | 1.75 | 1883 | -1.6 |
| 8 | Sun, Oliver | 1761 | NZL | F | F | F | F | F | F | F | =11B | +47N | 1.5 | 2.0 | 2.0 | 1.25 | 2007 | +28.4 |
| 9 | Smith, Jeremy D S | 1466 | NZL | F | F | F | F | F | F | F | +17B | =44N | 1.5 | 1.5 | 1.5 | 1.25 | 1777 | +17.2 |
| 10 | Wong, Eric | 0 | NZL | F | F | F | F | F | F | F | +28B | =45N | 1.5 | 1.5 | 1.5 | 1.25 | 1437 | +1.2 |
| 11 | Dooley, Max | 1843 | ENG | F | F | F | F | F | F | F | =8N | +54B | 1.5 | 1.5 | 1.5 | 0.75 | 1876 | +1.4 |
| 12 | Wang, Linyu | 1579 | NZL | F | F | F | F | F | F | F | +60N | =19B | 1.5 | 1.0 | 1.0 | 0.50 | 1817 | +25.2 |
| 13 | Tew, Yao Zen MarkisCM | 2012 | NZL | F | F | F | F | F | F | F | +59N | =43B | 1.5 | 0.5 | 0.5 | 0.25 | 2118 | +4.6 |
| 14 | Wang, Zi Yao (kelvin) | 1853 | NZL | F | F | F | F | F | F | F | −3N | +20B | 1.0 | 3.0 | 3.0 | 1.00 | 1865 | -6.8 |
| 15 | Sun, Wanyao SarahWCM | 1806 | NZL | F | F | F | F | F | F | F | +23N | −2B | 1.0 | 3.0 | 3.0 | 1.00 | 1915 | +9.6 |
| 16 | Yuan, Paul | 1464 | NZL | F | F | F | F | F | F | F | −6B | +21N | 1.0 | 2.5 | 2.5 | 1.00 | 1596 | +8.8 |
| 17 | Dann, Huw | 1616 | NZL | F | F | F | F | F | F | F | −9N | +34B | 1.0 | 2.5 | 2.5 | 1.00 | 650 | -14.0 |
| 18 | Pan, Alexander Hanrui | 1746 | NZL | F | F | F | F | F | F | F | −5B | +46N | 1.0 | 2.5 | 2.5 | 0.50 | 1745 | +1.6 |
| 19 | Ha, Timothy Huy Minh | 1782 | NZL | F | F | F | F | F | F | F | =46B | =12N | 1.0 | 2.0 | 2.0 | 1.00 | 1626 | -6.8 |
| 20 | Xu, Huankai (eden) | 1727 | NZL | F | F | F | F | F | F | F | +24N | −14N | 1.0 | 2.0 | 2.0 | 1.00 | 1859 | +14.8 |
| 21 | Nguyen, Kane | 1496 | NZL | F | F | F | F | F | F | F | +32N | −16B | 1.0 | 2.0 | 2.0 | 1.00 | 1499 | +3.6 |
| 22 | Hwang, Ryan | 1720 | NZL | F | F | F | F | F | F | F | +30B | −24B | 1.0 | 2.0 | 2.0 | 1.00 | 1657 | -6.0 |
| 23 | Jiang, Patrick Di | 1844 | NZL | F | F | F | F | F | F | F | −15B | +31N | 1.0 | 2.0 | 2.0 | 1.00 | 1756 | -3.6 |
| 24 | Guo, Benjamin | 1783 | NZL | F | F | F | F | F | F | F | −20B | +22N | 1.0 | 2.0 | 2.0 | 1.00 | 1717 | -3.6 |
| 25 | Guo, Anne Xuduo | 1645 | NZL | F | F | F | F | F | F | F | −7B | +48N | 1.0 | 2.0 | 2.0 | 0.50 | 1659 | +0.8 |
| 26 | Preeyansh Roul | 1988 | NZL | F | F | F | F | F | F | F | +52B | −1N | 1.0 | 2.0 | 2.0 | 0.00 | 2241 | +19.6 |
| 27 | Tao, Junqing Jerome | 1756 | NZL | F | F | F | F | F | F | F | +65B | −4N | 1.0 | 2.0 | 2.0 | 0.00 | 1805 | -5.2 |
| 28 | McClory, John | 0 | NZL | F | F | F | F | F | F | F | −10N | +?B | 1.0 | 1.5 | 1.5 | 0.00 | 615 | 0.0 |
| 29 | Li, Xiaoliang | 0 | NZL | F | F | F | F | F | F | F | F | +33B | 1.0 | 1.0 | 1.0 | 1.00 | 1576 | 0.0 |
| 30 | Saunders, Dean | 1495 | NZL | F | F | F | F | F | F | F | −22N | +56B | 1.0 | 1.0 | 1.0 | 0.00 | 1612 | +8.4 |
| 31 | Balakeyan, Raj | 1713 | NZL | F | F | F | F | F | F | F | +56N | −23B | 1.0 | 1.0 | 1.0 | 0.00 | 1649 | -2.2 |
| 32 | Yay, Coskun | 1663 | NZL | F | F | F | F | F | F | F | −21B | +57N | 1.0 | 1.0 | 1.0 | 0.00 | 1474 | -1.2 |
| 33 | Michael, Andrew | 1568 | NZL | F | F | F | F | F | F | F | +57B | −29N | 1.0 | 1.0 | 1.0 | 0.00 | 2285 | +8.0 |
| 34 | FIDE 4313399 | 0 | — | F | F | F | F | F | F | F | +?N | −17N | 1.0 | 1.0 | 1.0 | 0.00 | 801 | 0.0 |
| 35 | Hoang, Lucas | 1653 | NZL | F | F | F | F | F | F | F | +44B | F | 1.0 | 0.5 | 0.5 | 0.50 | 2367 | +17.2 |
| 36 | Zhou, Adele | 1595 | NZL | F | F | F | F | F | F | F | +45B | F | 1.0 | 0.5 | 0.5 | 0.50 | 2237 | +16.0 |
| 37 | Xu, Luna YuexiuWCM | 1831 | NZL | F | F | F | F | F | F | F | +62N | F | 1.0 | 0.0 | 0.0 | 0.00 | 2747 | +24.8 |
| 38 | Steiner, Michael | 0 | NZL | F | F | F | F | F | F | F | =?B | =?N | 1.0 | 0.0 | 0.0 | 0.00 | 1520 | 0.0 |
| 39 | Xu, Jeremy Xi | 1769 | NZL | F | F | F | F | F | F | F | +61N | F | 1.0 | 0.0 | 0.0 | 0.00 | 2395 | +12.0 |
| 40 | Hettiarachchi, Buthsara | 1860 | NZL | F | F | F | F | F | F | F | +54N | F | 1.0 | 0.0 | 0.0 | 0.00 | 2429 | +6.4 |
| 41 | Lu, Xiahan (Luna)WCM | 1770 | NZL | F | F | F | F | F | F | F | F | +63B | 1.0 | 0.0 | 0.0 | 0.00 | 2239 | +4.8 |
| 42 | Gan, Emily CathayWCM | 1720 | NZL | F | F | F | F | F | F | F | +64B | F | 1.0 | 0.0 | 0.0 | 0.00 | 2449 | +15.2 |
| 43 | Liu, William RuiCM | 2061 | NZL | F | F | F | F | F | F | F | −1B | =13N | 0.5 | 3.5 | 3.5 | 0.75 | 1881 | -24.4 |
| 44 | Zhao, Yuanyi (Rebecca) | 1545 | NZL | F | F | F | F | F | F | F | −35N | =9B | 0.5 | 2.5 | 2.5 | 0.75 | 1340 | -23.6 |
| 45 | Xu, Vera Jintian | 1435 | NZL | F | F | F | F | F | F | F | −36N | =10B | 0.5 | 2.5 | 2.5 | 0.75 | 1268 | -17.2 |
| 46 | Yue, Annie | 1702 | NZL | F | F | F | F | F | F | F | =19N | −18B | 0.5 | 2.0 | 2.0 | 0.50 | 1549 | -13.2 |
| 47 | McConnell, Jack | 1788 | NZL | F | F | F | F | F | F | F | =49N | −8B | 0.5 | 2.0 | 2.0 | 0.25 | 1506 | -14.4 |
| 48 | Ma, Roy | 1423 | NZL | F | F | F | F | F | F | F | =50N | −25B | 0.5 | 1.5 | 1.5 | 0.25 | 1441 | +2.0 |
| 49 | Hettiarachchi, Kisara | 1709 | NZL | F | F | F | F | F | F | F | =47B | F | 0.5 | 0.5 | 0.5 | 0.25 | 1782 | +6.4 |
| 50 | Van der Maas, Matthias | 1589 | NZL | F | F | F | F | F | F | F | =48B | F | 0.5 | 0.5 | 0.5 | 0.25 | 1417 | -10.4 |
| 51 | Liang, David Ye Cheng | 0 | NZL | F | F | F | F | F | F | F | =?N | F | 0.5 | 0.0 | 0.0 | 0.00 | 1515 | 0.0 |
| 52 | Ang, Alphaeus Wei ErnFM | 2390 | NZL | F | F | F | F | F | F | F | −26N | −3B | 0.0 | 3.0 | 3.0 | 0.00 | 1220 | -17.9 |
| 53 | Bukhari, Syed Muhammad Omar | 0 | NZL | F | F | F | F | F | F | F | F | −5N | 0.0 | 3.0 | 3.0 | 0.00 | 1009 | -20.4 |
| 54 | Yuan, Hong | 1591 | NZL | F | F | F | F | F | F | F | −40B | −11N | 0.0 | 2.5 | 2.5 | 0.00 | 1080 | -7.6 |
| 55 | Feng, SophiaWCM | 1851 | NZL | F | F | F | F | F | F | F | −2N | F | 0.0 | 2.0 | 2.0 | 0.00 | 1239 | -10.4 |
| 56 | Wang, Zi Hao (Johnny) | 1444 | NZL | F | F | F | F | F | F | F | −31B | −30N | 0.0 | 2.0 | 2.0 | 0.00 | 813 | -29.2 |
| 57 | Upadhyay, Akshat | 1416 | NZL | F | F | F | F | F | F | F | −33N | −32B | 0.0 | 2.0 | 2.0 | 0.00 | 722 | -36.0 |
| 58 | Po`e-Tofaeono, Grayson | 1783 | NZL | F | F | F | F | F | F | F | −4B | F | 0.0 | 2.0 | 2.0 | 0.00 | 1060 | -17.2 |
| 59 | Zhou, Martin | 1618 | NZL | F | F | F | F | F | F | F | −13B | F | 0.0 | 1.5 | 1.5 | 0.00 | 1248 | -5.6 |
| 60 | Milne, Virginia | 1502 | NZL | F | F | F | F | F | F | F | −12B | F | 0.0 | 1.5 | 1.5 | 0.00 | 772 | -7.8 |
| 61 | Kirschbaum, Asher | 1539 | NZL | F | F | F | F | F | F | F | −39B | F | 0.0 | 1.0 | 1.0 | 0.00 | 947 | -12.0 |
| 62 | Nagorski, AlexCM | 1951 | NZL | F | F | F | F | F | F | F | −37B | F | 0.0 | 1.0 | 1.0 | 0.00 | 1059 | -12.4 |
| 63 | Iyer, Agastya Shankar | 1446 | NZL | F | F | F | F | F | F | F | F | −41N | 0.0 | 1.0 | 1.0 | 0.00 | 981 | -4.8 |
| 64 | Powlesland, Brogan | 1635 | NZL | F | F | F | F | F | F | F | −42N | F | 0.0 | 1.0 | 1.0 | 0.00 | 939 | -7.6 |
| 65 | Po`e-Tofaeono, Hunter | 1820 | NZL | F | F | F | F | F | F | F | −27N | F | 0.0 | 1.0 | 1.0 | 0.00 | 1054 | -14.4 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Liu, Richard JingjieNZL+36.82.0 pts · #3
- 2Lin, MichaelNZL+36.02.0 pts · #4
- 3Sun, OliverNZL+28.41.5 pts · #11
Top rating losers
- 1Upadhyay, AkshatNZL-36.00.0 pts · #53
- 2Wang, Zi Hao (Johnny)NZL-29.20.0 pts · #52
- 3Liu, William RuiCMNZL-24.40.5 pts · #41
Biggest upsets
- R8+402 Elo gap
- R9+360 Elo gap
- R8+167 Elo gap