ACC Winter Cup 2025 Rounds 3-7
Open SwissStandard
80 players participated in this 7-round tournament, held from 30 Jun 2025 to 28 Jul 2025 in Auckland, New Zealand. 11 titled players from 5 federations. Top 10 Elo average was 1984, and top seed was Alphaeus Wei Ern Ang (π³πΏ NZL, FM, 2377).
Yao Zen Markis Tew (π³πΏ NZL, CM, 1936) won with 4.0/7, ahead of Yanbo Jin (3.5) and Preeyansh Roul (3.5). Tew shared the lead from round 4 and broke clear in the final round.
The biggest upset came in round 6: Yanbo Jin (1973) beat Alphaeus Wei Ern Ang (FM, 2377), a +404-point gap.
Location
π³πΏAuckland, New Zealand
Dates
30 Jun 2025 β 28 Jul 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss Β· 7 rounds
Titled players Β· 11
FMΓ1
CMΓ5
WCMΓ5
Federations Β· 5 represented
π³πΏNew ZealandΓ75
π°π·South KoreaΓ1
π¦πΊAustraliaΓ1
π¬π§EnglandΓ1
π·πΈSerbiaΓ1
Top 3
- π₯
- π₯
- π₯
How it unfolded
Top 6 Β· 7 roundsCM Yao Zen Markis Tew led from R7; +0.5-point edge over the runner-up. Title race converged from 7 co-leaders at R4 to 1 by R7.
Co-leaders
82
82
25
7
4
2
1
R7βR7 Β· LEAD HELD
CM Yao Zen Markis Tew held the sole lead from R7 through R7 without losing it.
R3βR7 Β· UNBEATEN
CM Yao Zen Markis Tew went unbeaten across 5 games (R3βR7).
Key matchups Β· top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1CMYao Zen Markis Tew | * | β | β | Β½ |
| 2Huankai (eden) Xu | β | * | β | β |
| 3Hunter Po`e-Tofaeono | β | β | * | β |
| 4Yanbo Jin | Β½ | β | β | * |
Grille amΓ©ricaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Ξ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Tew, Yao Zen MarkisCM | 1936 | NZL | F | F | +28N | +31B | =2B | +19N | =3N | 4.0 | 13.5 | 13.5 | 10.00 | 2068 | +16.4 |
| 2 | Jin, Yanbo | 1973 | NZL | F | F | +34N | +3B | =1N | +10B | β16B | 3.5 | 15.5 | 15.5 | 10.50 | 2152 | +44.0 |
| 3 | Preeyansh Roul | 1937 | NZL | F | F | +45B | β2N | +9B | +6N | =1B | 3.5 | 15.5 | 15.5 | 10.00 | 1932 | +4.4 |
| 4 | Feng, SophiaWCM | 1791 | NZL | F | F | β10N | =28B | +55N | +9B | +7B | 3.5 | 12.0 | 12.0 | 8.00 | 1973 | +44.8 |
| 5 | Xu, Huankai (eden) | 1712 | NZL | F | F | +30N | +29N | β59B | +33N | =19B | 3.5 | 9.5 | 9.5 | 7.25 | 1811 | +28.4 |
| 6 | Po`e-Tofaeono, Hunter | 1749 | NZL | F | F | =29B | +48N | +45B | β3B | +59N | 3.5 | 9.5 | 9.5 | 5.00 | 1900 | +40.0 |
| 7 | Nagorski, AlexCM | 1956 | NZL | F | F | +58B | +11B | β10N | +13B | β4N | 3.0 | 13.5 | 13.5 | 7.00 | 1908 | -5.8 |
| 8 | Po`e-Tofaeono, Grayson | 1869 | NZL | F | F | β11N | +30B | +42N | +28B | β14N | 3.0 | 12.0 | 12.0 | 6.00 | 1716 | -35.2 |
| 9 | Song, Quinn | 1567 | NZL | F | F | +56N | +13B | β3N | β4N | +71B | 3.0 | 11.5 | 11.5 | 4.50 | 1857 | +73.2 |
| 10 | Ang, Alphaeus Wei ErnFM | 2377 | NZL | F | F | +4B | F | +7B | β2N | +63N | 3.0 | 11.0 | 11.0 | 7.50 | 2171 | -6.8 |
| 11 | Jiang, Patrick Di | 1673 | NZL | F | F | +8B | β7N | =31N | +36B | =72N | 3.0 | 10.5 | 10.5 | 6.25 | 1953 | +70.0 |
| 12 | Nimmakayala, Srirama Vikhyath | 1675 | NZL | F | F | +35B | +18N | F | β14B | +53N | 3.0 | 9.5 | 9.5 | 6.50 | 1857 | +38.0 |
| 13 | Sun, Oliver | 1712 | NZL | F | F | +23B | β9N | +75B | β7N | +64B | 3.0 | 9.5 | 9.5 | 3.50 | 1859 | +39.6 |
| 14 | Xu, Luna YuexiuWCM | 1778 | NZL | F | F | +37B | F | F | +12N | +8B | 3.0 | 8.0 | 8.0 | 8.00 | 2496 | +45.6 |
| 15 | Hoang, Lucas | 1654 | NZL | F | F | +62B | β45N | +57B | =31N | =38B | 3.0 | 7.5 | 7.5 | 4.00 | 1711 | +17.6 |
| 16 | Baker, Ilias Angelo (Leo)CM | 1992 | NZL | F | F | +55N | F | F | +34B | +2N | 3.0 | 6.5 | 6.5 | 6.50 | 2633 | +17.8 |
| 17 | Hawke, Amy | 1585 | NZL | F | F | +77B | β57N | +50N | β30B | +49N | 3.0 | 6.0 | 6.0 | 3.00 | 1359 | -36.4 |
| 18 | Wang, Zi Yao (kelvin) | 1876 | NZL | F | F | +74N | β12B | +46N | +55B | F | 3.0 | 5.5 | 5.5 | 2.50 | 1771 | -12.8 |
| 19 | Guo, Benjamin | 1795 | NZL | F | F | F | +20B | +21N | β1B | =5N | 2.5 | 12.5 | 12.5 | 6.75 | 1769 | -2.2 |
| 20 | Chen, Anderson | 1663 | NZL | F | F | +57B | β19N | β33N | =27B | +35N | 2.5 | 10.0 | 10.0 | 4.25 | 1573 | -24.0 |
| 21 | Yay, Coskun | 0 | NZL | F | F | +32B | +56N | β19B | =22N | β34N | 2.5 | 10.0 | 10.0 | 4.25 | 1736 | 0.0 |
| 22 | Pei, Yanshuo | 1727 | NZL | F | F | =24N | F | +37B | =21B | =26N | 2.5 | 9.5 | 9.5 | 5.75 | 1761 | +5.6 |
| 23 | McConnell, Jack | 1791 | NZL | F | F | β13N | F | =32B | +56N | +54B | 2.5 | 7.5 | 7.5 | 3.50 | 1772 | -2.4 |
| 24 | Holland, David | 1530 | NZL | F | F | =22B | =73N | +29B | =45N | F | 2.5 | 6.5 | 6.5 | 4.25 | 1783 | +27.0 |
| 25 | Griffin, Peter | 0 | NZL | F | F | +60N | =46B | +40N | F | F | 2.5 | 4.5 | 4.5 | 3.75 | 1542 | 0.0 |
| 26 | Somaraju, Sai Vivan KarthikeyaCM | 1833 | NZL | F | F | F | F | +35B | +75N | =22B | 2.5 | 4.5 | 4.5 | 3.25 | 1937 | +13.7 |
| 27 | Wang, Linyu | 1550 | NZL | F | F | β61B | F | +74N | =20N | +56B | 2.5 | 4.5 | 4.5 | 2.25 | 1616 | +10.8 |
| 28 | Pan, Alexander Hanrui | 1661 | NZL | F | F | β1B | =4N | =38B | β8N | +47B | 2.0 | 14.0 | 14.0 | 4.25 | 1754 | +22.0 |
| 29 | Powlesland, Brogan | 1652 | NZL | F | F | =6N | β5B | β24N | =32N | +46B | 2.0 | 13.0 | 13.0 | 4.25 | 1556 | -12.6 |
| 30 | Zhao, Nicole Xiaoyin | 1509 | NZL | F | F | β5B | β8N | +43B | +17N | F | 2.0 | 11.5 | 11.5 | 5.00 | 1596 | +10.4 |
| 31 | Xu, Jeremy Xi | 1776 | NZL | F | F | +47B | β1N | =11B | =15B | F | 2.0 | 11.5 | 11.5 | 4.50 | 1736 | -9.2 |
| 32 | Zhang, Lucas Boyu | 1632 | NZL | F | F | β21N | +50B | =23N | =29B | β41N | 2.0 | 10.5 | 10.5 | 3.75 | 1592 | -6.4 |
| 33 | Kirschbaum, Asher | 1539 | NZL | F | F | β36B | +62N | +20B | β5B | β58N | 2.0 | 10.0 | 10.0 | 3.50 | 1563 | +5.6 |
| 34 | Tao, Junqing Jerome | 1784 | NZL | F | F | β2B | F | +58N | β16N | +21B | 2.0 | 10.0 | 10.0 | 3.50 | 1747 | -6.0 |
| 35 | Nguyen, Kane | 1521 | NZL | F | F | β12N | +52B | β26N | +70N | β20B | 2.0 | 10.0 | 10.0 | 2.00 | 923 | -28.8 |
| 36 | Ha, Timothy Huy Minh | 1746 | NZL | F | F | +33N | F | =47B | β11N | =48B | 2.0 | 8.0 | 8.0 | 3.50 | 1639 | -11.6 |
| 37 | Fan, Eric | 1559 | NZL | F | F | β14N | +74B | β22N | β42B | +70N | 2.0 | 8.0 | 8.0 | 0.50 | 903 | -35.6 |
| 38 | Hettiarachchi, Buthsara | 1850 | NZL | F | F | F | F | =28N | +39B | =15N | 2.0 | 7.0 | 7.0 | 4.50 | 1753 | -12.8 |
| 39 | Michael, Andrew | 1573 | NZL | F | F | β51N | F | +65B | β38N | +61B | 2.0 | 7.0 | 7.0 | 2.00 | 1473 | -9.0 |
| 40 | Thompson, Michael | 1524 | ENG | F | F | β41N | F | β25B | +57N | +55B | 2.0 | 6.5 | 6.5 | 2.00 | 1769 | +19.2 |
| 41 | Holdo, Karl | 1712 | NZL | F | F | +40B | F | F | β44N | +32B | 2.0 | 6.0 | 6.0 | 4.00 | 1707 | -0.6 |
| 42 | Barry, Jacob | 1606 | NZL | F | F | +68N | F | β8B | +37N | F | 2.0 | 6.0 | 6.0 | 3.00 | 1774 | +12.8 |
| 43 | Upadhyay, Akshat | 0 | NZL | F | F | F | +60B | β30N | β49B | +76N | 2.0 | 6.0 | 6.0 | 1.00 | 1353 | 0.0 |
| 44 | Hettiarachchi, Kisara | 1590 | NZL | F | F | F | F | +48B | +41B | F | 2.0 | 3.5 | 3.5 | 3.50 | 2487 | +50.8 |
| 45 | Yue, Annie | 1692 | NZL | F | F | β3N | +15B | β6N | =24B | F | 1.5 | 12.5 | 12.5 | 4.25 | 1630 | -16.0 |
| 46 | Saunders, Dean | 1520 | NZL | F | F | F | =25N | β18B | +65N | β29N | 1.5 | 10.5 | 10.5 | 2.25 | 961 | -17.6 |
| 47 | Hwang, Ryan | 1685 | NZL | F | F | β31N | +51B | =36N | β63B | β28N | 1.5 | 8.5 | 8.5 | 2.50 | 1550 | -35.2 |
| 48 | Dann, Huw | 1665 | NZL | F | F | F | β6B | β44N | +67B | =36N | 1.5 | 8.5 | 8.5 | 2.00 | 1571 | -20.4 |
| 49 | Wang, Zi Hao (Johnny) | 1468 | NZL | F | F | =70B | F | F | +43N | β17B | 1.5 | 7.5 | 7.5 | 2.25 | 785 | -13.6 |
| 50 | Steiner, Michael | 0 | NZL | F | F | F | β32N | β17B | +60N | =66B | 1.5 | 7.0 | 7.0 | 1.50 | 1331 | 0.0 |
| 51 | Milne, Virginia | 1502 | NZL | F | F | +39B | β47N | β56B | =66N | F | 1.5 | 5.5 | 5.5 | 2.50 | 1561 | +5.4 |
| 52 | McClory, John | 0 | NZL | F | F | =53B | β35N | +76B | F | β67N | 1.5 | 4.5 | 4.5 | 0.75 | 1415 | 0.0 |
| 53 | Sun, Mingjun Elvin | 1493 | NZL | F | F | =52N | +79N | F | F | β12B | 1.5 | 4.5 | 4.5 | 0.75 | 873 | -10.4 |
| 54 | Guo, Anne Xuduo | 1622 | NZL | F | F | +80N | F | F | =71B | β23N | 1.5 | 3.0 | 3.0 | 0.25 | 1575 | -4.0 |
| 55 | Grubic, Bogdan | 1742 | SRB | F | F | β16B | +61N | β4B | β18N | β40N | 1.0 | 12.5 | 12.5 | 1.00 | 1484 | -64.0 |
| 56 | Balakeyan, Raj | 1744 | NZL | F | F | β9B | β21B | +51N | β23B | β27N | 1.0 | 12.0 | 12.0 | 1.50 | 1409 | -34.2 |
| 57 | Smith, Jeremy D S | 1474 | NZL | F | F | β20N | +17B | β15N | β40B | F | 1.0 | 10.5 | 10.5 | 3.00 | 1413 | -6.0 |
| 58 | Zhou, Martin | 1654 | NZL | F | F | β7N | F | β34B | β64N | +33B | 1.0 | 8.0 | 8.0 | 2.00 | 1593 | -14.8 |
| 59 | Sun, Wanyao SarahWCM | 1818 | NZL | F | F | F | F | +5N | F | β6B | 1.0 | 7.0 | 7.0 | 3.50 | 1729 | -10.0 |
| 60 | Smith, Peter K | 0 | NZL | F | F | β25B | β43N | F | β50B | +69N | 1.0 | 7.0 | 7.0 | 1.00 | 1600 | 0.0 |
| 61 | Tang, Kevin | 1442 | NZL | F | F | +27N | β55B | F | F | β39N | 1.0 | 5.5 | 5.5 | 2.50 | 1497 | +3.6 |
| 62 | Ma, Roy | 1406 | NZL | F | F | β15N | β33B | F | F | +77N | 1.0 | 5.0 | 5.0 | 0.00 | 796 | -20.4 |
| 63 | Liu, Richard Jingjie | 1812 | NZL | F | F | F | F | F | +47N | β10B | 1.0 | 4.5 | 4.5 | 1.50 | 1948 | +10.0 |
| 64 | Lu, Xiahan (Luna)WCM | 1868 | NZL | F | F | F | F | F | +58B | β13N | 1.0 | 4.0 | 4.0 | 1.00 | 1682 | -19.2 |
| 65 | Zhou, Guangzhao (allison) | 0 | NZL | F | F | F | F | β39N | β46B | +74B | 1.0 | 3.5 | 3.5 | 0.00 | 746 | 0.0 |
| 66 | Wang, Leon | 1594 | NZL | F | F | F | F | F | =51B | =50N | 1.0 | 3.0 | 3.0 | 1.50 | 1502 | -5.2 |
| 67 | Zhou, Adele | 1559 | NZL | F | F | F | F | F | β48N | +52B | 1.0 | 3.0 | 3.0 | 1.50 | 861 | -14.0 |
| 68 | Tai, Ethan | 1532 | NZL | F | F | β42B | +76N | F | F | F | 1.0 | 2.0 | 2.0 | 0.00 | 1531 | 0.0 |
| 69 | Youn, Laeho | 1577 | KOR | F | F | F | F | F | +78B | β60B | 1.0 | 1.0 | 1.0 | 0.00 | 2402 | +21.2 |
| 70 | Xu, Vera Jintian | 0 | NZL | F | F | =49N | F | F | β35B | β37B | 0.5 | 5.5 | 5.5 | 0.75 | 1235 | -30.8 |
| 71 | Gan, Emily CathayWCM | 1745 | NZL | F | F | F | F | F | =54N | β9N | 0.5 | 4.5 | 4.5 | 0.75 | 1400 | -36.0 |
| 72 | Young, CohenCM | 2060 | NZL | F | F | F | F | F | F | =11B | 0.5 | 3.0 | 3.0 | 1.50 | 1671 | -8.2 |
| 73 | Steadman, Mathew | 1687 | NZL | F | F | F | =24B | F | F | F | 0.5 | 2.5 | 2.5 | 1.25 | 1529 | -4.2 |
| 74 | Green, Nathan | 0 | NZL | F | F | β18B | β37N | β27B | F | β65N | 0.0 | 8.5 | 8.5 | 0.00 | 856 | 0.0 |
| 75 | Moxham, Caspar | 1753 | AUS | F | F | F | F | β13N | β26B | F | 0.0 | 6.5 | 6.5 | 0.00 | 972 | -38.0 |
| 76 | Arun, Swarun | 1456 | NZL | F | F | F | β68B | β52N | F | β43B | 0.0 | 4.5 | 4.5 | 0.00 | 732 | -16.0 |
| 77 | Goble, Darryn Clifford | 0 | NZL | F | F | β17N | F | F | F | β62B | 0.0 | 4.0 | 4.0 | 0.00 | 696 | 0.0 |
| 78 | Meng, Harrison Xiang Zhi | 1601 | NZL | F | F | F | F | F | β69N | F | 0.0 | 2.0 | 2.0 | 0.00 | 780 | -21.2 |
| 79 | FIDE 4331397 | 0 | β | F | F | F | β53B | F | F | F | 0.0 | 1.5 | 1.5 | 0.00 | 693 | 0.0 |
| 80 | Wong, Eric | 0 | NZL | F | F | β54B | F | F | F | F | 0.0 | 1.5 | 1.5 | 0.00 | 820 | 0.0 |
Key insights
Biggest movers and upsets β the story behind the numbers.
Top rating gainers
- 1Song, QuinnNZL+73.23.0 pts Β· #11
- 2Jiang, Patrick DiNZL+70.03.0 pts Β· #14
- 3Hettiarachchi, KisaraNZL+50.82.0 pts Β· #23
Top rating losers
- 1Grubic, BogdanSRB-64.01.0 pts Β· #43
- 2Moxham, CasparAUS-38.00.0 pts Β· #74
- 3Hawke, AmyNZL-36.43.0 pts Β· #57
Biggest upsets
- R6+404 Elo gap
- R7+218 Elo gap
- R4+201 Elo gap