ACC Club Championships 2025 Rounds 3-7
Open SwissStandard
80 players participated in this 7-round tournament, held from 01 Sept 2025 to 29 Sept 2025 in Auckland, New Zealand. 14 titled players from 3 federations. Top 10 Elo average was 2074, and top seed was Alphaeus Wei Ern Ang (🇳🇿 NZL, FM, 2390).
Martin Zhou (🇳🇿 NZL, 1618) won with 4.5/7, ahead of Alphaeus Wei Ern Ang (4.0) and Preeyansh Roul (4.0). Zhou shared the lead from round 5 and broke clear in the final round.
The biggest upset came in round 7: Martin Zhou (1618) beat David Junyang Zhu (1932), a +314-point gap.
Location
🇳🇿Auckland, New Zealand
Dates
01 Sept 2025 → 29 Sept 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 7 rounds
Titled players · 14
FM×2
CM×7
WCM×5
Federations · 3 represented
🇳🇿New Zealand×76
🇬🇧England×2
🇻🇳Vietnam×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsMartin Zhou led from R7; +0.5-point edge over the runner-up. Title race converged from 10 co-leaders at R4 to 1 by R7.
Co-leaders
82
82
25
10
3
2
1
R7–R7 · LEAD HELD
Martin Zhou held the sole lead from R7 through R7 without losing it.
WIN STREAKS · 2 top finishers
Martin Zhou 3 wins (R3–R5)Preeyansh Roul 4 wins (R3–R7)
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Zhou, Martin | 1618 | NZL | F | F | +31N | +70B | +16N | =72B | +41N | 4.5 | 7.0 | 7.0 | 6.75 | 2104 | +107.2 |
| 2 | Ang, Alphaeus Wei ErnFM | 2390 | NZL | F | F | +27B | +5N | =23B | +9N | =4B | 4.0 | 14.5 | 14.5 | 11.50 | 2275 | -4.2 |
| 3 | Preeyansh Roul | 1988 | NZL | F | F | +53B | +15N | +27B | F | +8N | 4.0 | 8.5 | 8.5 | 8.50 | 2574 | +38.0 |
| 4 | Tew, Yao Zen MarkisCM | 2012 | NZL | F | F | +12B | +42N | =9B | =5B | =2N | 3.5 | 15.0 | 15.0 | 9.75 | 2241 | +28.4 |
| 5 | Baker, Ilias Angelo (Leo)CM | 2060 | NZL | F | F | +41N | −2B | +11B | =4N | +7B | 3.5 | 15.0 | 15.0 | 9.25 | 2186 | +12.6 |
| 6 | Young, CohenCM | 2030 | NZL | F | F | +28N | =21B | F | +17B | +27N | 3.5 | 9.0 | 9.0 | 7.75 | 2103 | +6.4 |
| 7 | Nagorski, AlexCM | 1951 | NZL | F | F | +8N | −9B | +20B | +22N | −5N | 3.0 | 14.5 | 14.5 | 8.00 | 1944 | +1.0 |
| 8 | Sun, Wanyao SarahWCM | 1806 | NZL | F | F | −7B | +30N | +10B | +15N | −3B | 3.0 | 14.5 | 14.5 | 7.50 | 1881 | +24.4 |
| 9 | Tang, HaoCM | 2018 | NZL | F | F | =42B | +7N | =4N | −2B | +72N | 3.0 | 12.5 | 12.5 | 6.00 | 2143 | +14.6 |
| 10 | Xu, Huankai (eden) | 1727 | NZL | F | F | +18N | =16B | −8N | +79B | =15B | 3.0 | 10.5 | 10.5 | 5.00 | 1736 | +6.0 |
| 11 | Wang, Zi Yao (kelvin) | 1853 | NZL | F | F | +62B | −23B | −5N | +24N | +71B | 3.0 | 10.0 | 10.0 | 4.00 | 2042 | +40.0 |
| 12 | Po`e-Tofaeono, Grayson | 1783 | NZL | F | F | −4N | +52B | −42N | +54B | +33N | 3.0 | 9.0 | 9.0 | 4.00 | 1874 | +19.2 |
| 13 | Wang, Zi Hao (Johnny) | 1444 | NZL | F | F | +77N | +18B | =52N | F | =29B | 3.0 | 5.5 | 5.5 | 4.00 | 1763 | +66.0 |
| 14 | Yuan, Hong | 1591 | NZL | F | F | +34N | +69B | +19N | F | F | 3.0 | 5.0 | 5.0 | 5.00 | 2411 | +20.8 |
| 15 | Liu, Richard Jingjie | 1857 | NZL | F | F | +69N | −3B | +33N | −8B | =10N | 2.5 | 12.5 | 12.5 | 4.00 | 1711 | -26.8 |
| 16 | Po`e-Tofaeono, Hunter | 1820 | NZL | F | F | =74B | =10N | −1B | +48N | =22B | 2.5 | 12.0 | 12.0 | 4.50 | 1665 | -31.6 |
| 17 | Fabay, Jenre Angelo | 1758 | NZL | F | F | +64B | −49N | +39B | −6N | =20B | 2.5 | 10.5 | 10.5 | 4.25 | 1795 | +8.8 |
| 18 | Zhao, Yuanyi (Rebecca) | 1545 | NZL | F | F | −10B | −13N | +34B | =46N | +56B | 2.5 | 10.5 | 10.5 | 3.75 | 1500 | -11.6 |
| 19 | McConnell, Jack | 1788 | NZL | F | F | =44N | F | −14B | +35N | +37B | 2.5 | 8.5 | 8.5 | 4.75 | 1621 | -15.6 |
| 20 | Sun, Oliver | 1761 | NZL | F | F | =43N | =41B | −7N | +80B | =17N | 2.5 | 8.5 | 8.5 | 2.75 | 1795 | +8.8 |
| 21 | Nimmakayala, Srirama Vikhyath | 1802 | NZL | F | F | +55N | =6N | +32B | F | F | 2.5 | 8.0 | 8.0 | 4.75 | 2003 | +29.6 |
| 22 | Pan, Alexander Hanrui | 1746 | NZL | F | F | +54B | +43N | F | −7B | =16N | 2.5 | 8.0 | 8.0 | 3.75 | 1865 | +35.6 |
| 23 | Liu, William RuiCM | 2061 | NZL | F | F | +71B | +11N | =2N | F | F | 2.5 | 7.5 | 7.5 | 5.50 | 2326 | +36.4 |
| 24 | Guo, Benjamin | 1783 | NZL | F | F | =52N | +44B | F | −11B | +28N | 2.5 | 7.5 | 7.5 | 4.00 | 1779 | -0.2 |
| 25 | Gan, Emily CathayWCM | 1720 | NZL | F | F | −30B | F | =69N | +61B | +45N | 2.5 | 5.0 | 5.0 | 2.75 | 1632 | -16.4 |
| 26 | Smith, Jeremy D S | 1466 | NZL | F | F | +73B | =55B | −54N | −57B | +60N | 2.5 | 4.5 | 4.5 | 2.00 | 1276 | -13.0 |
| 27 | Dooley, Max | 1843 | ENG | F | F | −2N | +29B | −3N | +38B | −6B | 2.0 | 15.5 | 15.5 | 4.00 | 1804 | -7.0 |
| 28 | Zhang, Lucas Boyu | 1607 | NZL | F | F | −6B | +57N | −43B | +44N | −24B | 2.0 | 10.0 | 10.0 | 2.50 | 1677 | +1.2 |
| 29 | Hwang, Ryan | 1720 | NZL | F | F | =49B | −27N | +58B | −47N | =13N | 2.0 | 9.0 | 9.0 | 3.25 | 1662 | -18.4 |
| 30 | Michael, Andrew | 1568 | NZL | F | F | +25N | −8B | −63N | −36B | +73N | 2.0 | 9.0 | 9.0 | 3.00 | 1426 | -15.6 |
| 31 | Kirschbaum, Asher | 1539 | NZL | F | F | −1B | +35N | +36N | F | F | 2.0 | 8.5 | 8.5 | 4.00 | 1614 | +4.0 |
| 32 | Dann, Huw | 1616 | NZL | F | F | +56N | +36B | −21N | −67B | −38N | 2.0 | 8.5 | 8.5 | 3.00 | 1543 | -5.2 |
| 33 | Balakeyan, Raj | 1713 | NZL | F | F | +59N | F | −15B | +45N | −12B | 2.0 | 8.0 | 8.0 | 2.50 | 1659 | -3.4 |
| 34 | Liang, David Ye Cheng | 0 | NZL | F | F | −14B | =73N | −18N | +76B | =55B | 2.0 | 7.0 | 7.0 | 0.75 | 1297 | -16.8 |
| 35 | Ma, Roy | 1423 | NZL | F | F | +61N | −31B | +76N | −19B | F | 2.0 | 6.5 | 6.5 | 1.00 | 1501 | +11.2 |
| 36 | Iyer, Agastya Shankar | 1446 | NZL | F | F | F | −32N | −31B | +30N | +78B | 2.0 | 6.0 | 6.0 | 2.00 | 1570 | +29.6 |
| 37 | Milne, Virginia | 1502 | NZL | F | F | −39N | +56B | +70N | F | −19N | 2.0 | 6.0 | 6.0 | 1.50 | 1539 | +3.0 |
| 38 | Bukhari, Syed Muhammad Omar | 0 | NZL | F | F | F | F | +46B | −27N | +32B | 2.0 | 5.5 | 5.5 | 3.50 | 1764 | 0.0 |
| 39 | Powlesland, Brogan | 1635 | NZL | F | F | +37B | F | −17N | +69B | F | 2.0 | 5.0 | 5.0 | 2.50 | 1624 | -1.2 |
| 40 | Xu, Luna YuexiuWCM | 1831 | NZL | F | F | +58B | +74N | F | F | F | 2.0 | 1.5 | 1.5 | 1.50 | 2460 | +21.6 |
| 41 | Zhu, David Junyang | 1932 | NZL | F | F | −5B | =20N | F | +74B | −1B | 1.5 | 11.5 | 11.5 | 1.75 | 1703 | -49.6 |
| 42 | Mao, DaqiFM | 2200 | NZL | F | F | =9N | −4B | +12B | F | F | 1.5 | 9.5 | 9.5 | 4.50 | 1945 | -33.2 |
| 43 | Jiang, Patrick Di | 1844 | NZL | F | F | =20B | −22B | +28N | F | F | 1.5 | 8.5 | 8.5 | 3.25 | 1704 | -16.8 |
| 44 | Van der Maas, Matthias | 1589 | NZL | F | F | =19B | −24N | F | −28B | +53N | 1.5 | 8.0 | 8.0 | 2.25 | 1628 | +1.2 |
| 45 | Sun, Mingjun Elvin | 1529 | NZL | F | F | =51N | =48B | =75N | −33B | −25B | 1.5 | 8.0 | 8.0 | 1.75 | 1541 | +17.6 |
| 46 | Ha, Timothy Huy Minh | 1782 | NZL | F | F | F | F | −38N | =18B | +57N | 1.5 | 5.5 | 5.5 | 2.25 | 1728 | -2.0 |
| 47 | Feng, SophiaWCM | 1851 | NZL | F | F | F | =71N | F | +29B | F | 1.5 | 5.0 | 5.0 | 2.25 | 2003 | +16.4 |
| 48 | Vu Gia Hung | 1645 | VIE | F | F | +66B | =45N | F | −16B | F | 1.5 | 5.0 | 5.0 | 1.75 | 1559 | -8.0 |
| 49 | Hettiarachchi, Buthsara | 1860 | NZL | F | F | =29N | +17B | F | F | F | 1.5 | 4.5 | 4.5 | 3.50 | 1940 | +3.6 |
| 50 | Xu, Jeremy Xi | 1769 | NZL | F | F | =70N | +63B | F | F | F | 1.5 | 3.0 | 3.0 | 1.25 | 1711 | -2.8 |
| 51 | Hettiarachchi, Kisara | 1709 | NZL | F | F | =45B | +65N | F | F | F | 1.5 | 2.5 | 2.5 | 1.75 | 1714 | +2.0 |
| 52 | Wang, Linyu | 1579 | NZL | F | F | =24B | −12N | =13B | F | F | 1.0 | 8.5 | 8.5 | 2.75 | 1546 | -4.8 |
| 53 | Song, Quinn | 1646 | NZL | F | F | −3N | +68B | −62N | F | −44B | 1.0 | 8.5 | 8.5 | 1.00 | 1581 | -16.0 |
| 54 | Zhao, Nicole Xiaoyin | 1531 | NZL | F | F | −22N | F | +26B | −12N | F | 1.0 | 8.0 | 8.0 | 2.50 | 1524 | -4.0 |
| 55 | Zhou, Adele | 1595 | NZL | F | F | −21B | =26N | F | −65B | =34N | 1.0 | 8.0 | 8.0 | 2.25 | 1374 | -42.4 |
| 56 | Steiner, Michael | 0 | NZL | F | F | −32B | −37N | F | +70B | −18N | 1.0 | 7.0 | 7.0 | 0.50 | 1352 | 0.0 |
| 57 | Thompson, Michael | 1536 | ENG | F | F | F | −28B | F | +26N | −46B | 1.0 | 6.0 | 6.0 | 2.50 | 1506 | -2.2 |
| 58 | Meng, Harrison Xiang Zhi | 1605 | NZL | F | F | −40N | +76B | −29N | F | F | 1.0 | 6.0 | 6.0 | 0.00 | 986 | -24.0 |
| 59 | Saunders, Dean | 1495 | NZL | F | F | −33B | −64N | +73B | F | F | 1.0 | 4.5 | 4.5 | 0.50 | 877 | -27.6 |
| 60 | FIDE 4313399 | 0 | — | F | F | −68N | +77B | −66N | F | −26B | 1.0 | 4.5 | 4.5 | 0.00 | 1257 | 0.0 |
| 61 | Nguyen, Kane | 1496 | NZL | F | F | −35B | F | F | −25N | +76B | 1.0 | 4.5 | 4.5 | 0.00 | 781 | -32.0 |
| 62 | Wang, Justin ZhideCM | 2031 | NZL | F | F | −11N | F | +53B | F | F | 1.0 | 4.0 | 4.0 | 1.00 | 1764 | -24.4 |
| 63 | Yuan, Paul | 1464 | NZL | F | F | F | −50N | +30B | F | F | 1.0 | 3.5 | 3.5 | 2.00 | 1659 | +16.8 |
| 64 | Guo, Anne Xuduo | 1645 | NZL | F | F | −17N | +59B | F | F | F | 1.0 | 3.5 | 3.5 | 1.00 | 1660 | +0.4 |
| 65 | Griffin, Peter | 0 | NZL | F | F | F | −51B | F | +55N | F | 1.0 | 2.5 | 2.5 | 1.00 | 1636 | +5.6 |
| 66 | Tang, Kevin | 1441 | NZL | F | F | −48N | F | +60B | F | F | 1.0 | 2.5 | 2.5 | 1.00 | 811 | -5.4 |
| 67 | Lu, Xiahan (Luna)WCM | 1770 | NZL | F | F | F | F | F | +32N | F | 1.0 | 2.0 | 2.0 | 2.00 | 2406 | +11.2 |
| 68 | Xu, Vera Jintian | 1435 | NZL | F | F | +60B | −53N | F | F | F | 1.0 | 2.0 | 2.0 | 1.00 | 824 | -11.6 |
| 69 | Upadhyay, Akshat | 1416 | NZL | F | F | −15B | −14N | =25B | −39N | F | 0.5 | 10.0 | 10.0 | 1.25 | 1384 | 0.0 |
| 70 | Smith, Peter K | 1572 | NZL | F | F | =50B | −1N | −37B | −56N | F | 0.5 | 9.0 | 9.0 | 0.75 | 1347 | -28.4 |
| 71 | Tao, Junqing Jerome | 1756 | NZL | F | F | −23N | =47B | F | F | −11N | 0.5 | 8.5 | 8.5 | 0.75 | 1661 | -32.8 |
| 72 | Lin, Michael | 1816 | NZL | F | F | F | F | F | =1N | −9B | 0.5 | 7.5 | 7.5 | 2.25 | 1632 | -20.4 |
| 73 | McClory, John | 0 | NZL | F | F | −26N | =34B | −59N | F | −30B | 0.5 | 7.5 | 7.5 | 1.00 | 1183 | 0.0 |
| 74 | Hoang, Lucas | 1653 | NZL | F | F | =16N | −40B | F | −41N | F | 0.5 | 6.0 | 6.0 | 1.25 | 1582 | -14.0 |
| 75 | Yue, Annie | 1702 | NZL | F | F | F | F | =45B | F | F | 0.5 | 1.5 | 1.5 | 0.75 | 1459 | -11.6 |
| 76 | Zhou, Guangzhao (allison) | 0 | NZL | F | F | F | −58N | −35B | −34N | −61N | 0.0 | 6.0 | 6.0 | 0.00 | 689 | 0.0 |
| 77 | Wong, Eric | 0 | NZL | F | F | −13B | −60N | F | F | F | 0.0 | 4.0 | 4.0 | 0.00 | 641 | -19.6 |
| 78 | Yay, Coskun | 1663 | NZL | F | F | F | F | F | F | −36N | 0.0 | 3.0 | 3.0 | 0.00 | 634 | -24.4 |
| 79 | Li, Xiaoliang | 0 | NZL | F | F | F | F | F | −10N | F | 0.0 | 3.0 | 3.0 | 0.00 | 911 | 0.0 |
| 80 | Wen, Sandy | 1517 | NZL | F | F | F | F | F | −20N | F | 0.0 | 2.5 | 2.5 | 0.00 | 963 | -3.8 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Zhou, MartinNZL+107.24.5 pts · #1
- 2Wang, Zi Hao (Johnny)NZL+66.03.0 pts · #11
- 3Wang, Zi Yao (kelvin)NZL+40.03.0 pts · #9
Top rating losers
- 1Zhu, David JunyangNZL-49.61.5 pts · #43
- 2Zhou, AdeleNZL-42.41.0 pts · #47
- 3Mao, DaqiFMNZL-33.21.5 pts · #34
Biggest upsets
- R7+314 Elo gap
- R7+217 Elo gap
- R5+202 Elo gap