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 (🇳🇿 NZL, FM, 2377).
Yao Zen Markis Tew (🇳🇿 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
🇳🇿Auckland, New Zealand
Dates
30 Jun 2025 → 28 Jul 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 7 rounds
Titled players · 11
FM×1
CM×5
WFM×2
WCM×3
Federations · 5 represented
🇳🇿New Zealand×75
🇰🇷South Korea×1
🇦🇺Australia×1
🇬🇧England×1
🇷🇸Serbia×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 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
R7–R7 · LEAD HELD
CM Yao Zen Markis Tew held the sole lead from R7 through R7 without losing it.
R3–R7 · UNBEATEN
CM Yao Zen Markis Tew went unbeaten across 5 games (R3–R7).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1CMYao Zen Markis Tew | * | — | — | ½ |
| 2Huankai (eden) Xu | — | * | — | — |
| 3Hunter Po`e-Tofaeono | — | — | * | — |
| 4Yanbo Jin | ½ | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | −16B | 3.5 | 15.5 | 15.5 | 10.50 | 2152 | +44.0 |
| 3 | Preeyansh Roul | 1937 | NZL | F | F | +45B | −2N | +9B | +6N | =1B | 3.5 | 15.5 | 15.5 | 10.00 | 1932 | +4.4 |
| 4 | Feng, SophiaWCM | 1791 | NZL | F | F | −10N | =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 | −59B | +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 | −3B | +59N | 3.5 | 9.5 | 9.5 | 5.00 | 1900 | +40.0 |
| 7 | Nagorski, AlexCM | 1956 | NZL | F | F | +58B | +11B | −10N | +13B | −4N | 3.0 | 13.5 | 13.5 | 7.00 | 1908 | -5.8 |
| 8 | Po`e-Tofaeono, Grayson | 1869 | NZL | F | F | −11N | +30B | +42N | +28B | −14N | 3.0 | 12.0 | 12.0 | 6.00 | 1716 | -35.2 |
| 9 | Song, Quinn | 1567 | NZL | F | F | +56N | +13B | −3N | −4N | +71B | 3.0 | 11.5 | 11.5 | 4.50 | 1857 | +73.2 |
| 10 | Ang, Alphaeus Wei ErnFM | 2377 | NZL | F | F | +4B | F | +7B | −2N | +63N | 3.0 | 11.0 | 11.0 | 7.50 | 2171 | -6.8 |
| 11 | Jiang, Patrick Di | 1673 | NZL | F | F | +8B | −7N | =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 | −14B | +53N | 3.0 | 9.5 | 9.5 | 6.50 | 1857 | +38.0 |
| 13 | Sun, Oliver | 1712 | NZL | F | F | +23B | −9N | +75B | −7N | +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 | −45N | +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 | −57N | +50N | −30B | +49N | 3.0 | 6.0 | 6.0 | 3.00 | 1359 | -36.4 |
| 18 | Wang, Zi Yao (kelvin) | 1876 | NZL | F | F | +74N | −12B | +46N | +55B | F | 3.0 | 5.5 | 5.5 | 2.50 | 1771 | -12.8 |
| 19 | Guo, Benjamin | 1795 | NZL | F | F | F | +20B | +21N | −1B | =5N | 2.5 | 12.5 | 12.5 | 6.75 | 1769 | -2.2 |
| 20 | Chen, Anderson | 1663 | NZL | F | F | +57B | −19N | −33N | =27B | +35N | 2.5 | 10.0 | 10.0 | 4.25 | 1573 | -24.0 |
| 21 | Yay, Coskun | 0 | NZL | F | F | +32B | +56N | −19B | =22N | −34N | 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 | −13N | 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 | −61B | F | +74N | =20N | +56B | 2.5 | 4.5 | 4.5 | 2.25 | 1616 | +10.8 |
| 28 | Pan, Alexander Hanrui | 1661 | NZL | F | F | −1B | =4N | =38B | −8N | +47B | 2.0 | 14.0 | 14.0 | 4.25 | 1754 | +22.0 |
| 29 | Powlesland, Brogan | 1652 | NZL | F | F | =6N | −5B | −24N | =32N | +46B | 2.0 | 13.0 | 13.0 | 4.25 | 1556 | -12.6 |
| 30 | Zhao, Nicole Xiaoyin | 1509 | NZL | F | F | −5B | −8N | +43B | +17N | F | 2.0 | 11.5 | 11.5 | 5.00 | 1596 | +10.4 |
| 31 | Xu, Jeremy Xi | 1776 | NZL | F | F | +47B | −1N | =11B | =15B | F | 2.0 | 11.5 | 11.5 | 4.50 | 1736 | -9.2 |
| 32 | Zhang, Lucas Boyu | 1632 | NZL | F | F | −21N | +50B | =23N | =29B | −41N | 2.0 | 10.5 | 10.5 | 3.75 | 1592 | -6.4 |
| 33 | Kirschbaum, Asher | 1539 | NZL | F | F | −36B | +62N | +20B | −5B | −58N | 2.0 | 10.0 | 10.0 | 3.50 | 1563 | +5.6 |
| 34 | Tao, Junqing Jerome | 1784 | NZL | F | F | −2B | F | +58N | −16N | +21B | 2.0 | 10.0 | 10.0 | 3.50 | 1747 | -6.0 |
| 35 | Nguyen, Kane | 1521 | NZL | F | F | −12N | +52B | −26N | +70N | −20B | 2.0 | 10.0 | 10.0 | 2.00 | 923 | -28.8 |
| 36 | Ha, Timothy Huy Minh | 1746 | NZL | F | F | +33N | F | =47B | −11N | =48B | 2.0 | 8.0 | 8.0 | 3.50 | 1639 | -11.6 |
| 37 | Fan, Eric | 1559 | NZL | F | F | −14N | +74B | −22N | −42B | +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 | −51N | F | +65B | −38N | +61B | 2.0 | 7.0 | 7.0 | 2.00 | 1473 | -9.0 |
| 40 | Thompson, Michael | 1524 | ENG | F | F | −41N | F | −25B | +57N | +55B | 2.0 | 6.5 | 6.5 | 2.00 | 1769 | +19.2 |
| 41 | Holdo, Karl | 1712 | NZL | F | F | +40B | F | F | −44N | +32B | 2.0 | 6.0 | 6.0 | 4.00 | 1707 | -0.6 |
| 42 | Barry, Jacob | 1606 | NZL | F | F | +68N | F | −8B | +37N | F | 2.0 | 6.0 | 6.0 | 3.00 | 1774 | +12.8 |
| 43 | Upadhyay, Akshat | 0 | NZL | F | F | F | +60B | −30N | −49B | +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 | −3N | +15B | −6N | =24B | F | 1.5 | 12.5 | 12.5 | 4.25 | 1630 | -16.0 |
| 46 | Saunders, Dean | 1520 | NZL | F | F | F | =25N | −18B | +65N | −29N | 1.5 | 10.5 | 10.5 | 2.25 | 961 | -17.6 |
| 47 | Hwang, Ryan | 1685 | NZL | F | F | −31N | +51B | =36N | −63B | −28N | 1.5 | 8.5 | 8.5 | 2.50 | 1550 | -35.2 |
| 48 | Dann, Huw | 1665 | NZL | F | F | F | −6B | −44N | +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 | −17B | 1.5 | 7.5 | 7.5 | 2.25 | 785 | -13.6 |
| 50 | Steiner, Michael | 0 | NZL | F | F | F | −32N | −17B | +60N | =66B | 1.5 | 7.0 | 7.0 | 1.50 | 1331 | 0.0 |
| 51 | Milne, Virginia | 1502 | NZL | F | F | +39B | −47N | −56B | =66N | F | 1.5 | 5.5 | 5.5 | 2.50 | 1561 | +5.4 |
| 52 | McClory, John | 0 | NZL | F | F | =53B | −35N | +76B | F | −67N | 1.5 | 4.5 | 4.5 | 0.75 | 1415 | 0.0 |
| 53 | Sun, Mingjun Elvin | 1493 | NZL | F | F | =52N | +79N | F | F | −12B | 1.5 | 4.5 | 4.5 | 0.75 | 873 | -10.4 |
| 54 | Guo, Anne Xuduo | 1622 | NZL | F | F | +80N | F | F | =71B | −23N | 1.5 | 3.0 | 3.0 | 0.25 | 1575 | -4.0 |
| 55 | Grubic, Bogdan | 1742 | SRB | F | F | −16B | +61N | −4B | −18N | −40N | 1.0 | 12.5 | 12.5 | 1.00 | 1484 | -64.0 |
| 56 | Balakeyan, Raj | 1744 | NZL | F | F | −9B | −21B | +51N | −23B | −27N | 1.0 | 12.0 | 12.0 | 1.50 | 1409 | -34.2 |
| 57 | Smith, Jeremy D S | 1474 | NZL | F | F | −20N | +17B | −15N | −40B | F | 1.0 | 10.5 | 10.5 | 3.00 | 1413 | -6.0 |
| 58 | Zhou, Martin | 1654 | NZL | F | F | −7N | F | −34B | −64N | +33B | 1.0 | 8.0 | 8.0 | 2.00 | 1593 | -14.8 |
| 59 | Sun, Wanyao SarahWFM | 1818 | NZL | F | F | F | F | +5N | F | −6B | 1.0 | 7.0 | 7.0 | 3.50 | 1729 | -10.0 |
| 60 | Smith, Peter K | 0 | NZL | F | F | −25B | −43N | F | −50B | +69N | 1.0 | 7.0 | 7.0 | 1.00 | 1600 | 0.0 |
| 61 | Tang, Kevin | 1442 | NZL | F | F | +27N | −55B | F | F | −39N | 1.0 | 5.5 | 5.5 | 2.50 | 1497 | +3.6 |
| 62 | Ma, Roy | 1406 | NZL | F | F | −15N | −33B | 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 | −10B | 1.0 | 4.5 | 4.5 | 1.50 | 1948 | +10.0 |
| 64 | Lu, Xiahan (Luna)WCM | 1868 | NZL | F | F | F | F | F | +58B | −13N | 1.0 | 4.0 | 4.0 | 1.00 | 1682 | -19.2 |
| 65 | Zhou, Guangzhao (allison) | 0 | NZL | F | F | F | F | −39N | −46B | +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 | −48N | +52B | 1.0 | 3.0 | 3.0 | 1.50 | 861 | -14.0 |
| 68 | Tai, Ethan | 1532 | NZL | F | F | −42B | +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 | −60B | 1.0 | 1.0 | 1.0 | 0.00 | 2402 | +21.2 |
| 70 | Xu, Vera Jintian | 0 | NZL | F | F | =49N | F | F | −35B | −37B | 0.5 | 5.5 | 5.5 | 0.75 | 1235 | -30.8 |
| 71 | Gan, Emily CathayWFM | 1745 | NZL | F | F | F | F | F | =54N | −9N | 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 | −18B | −37N | −27B | F | −65N | 0.0 | 8.5 | 8.5 | 0.00 | 856 | 0.0 |
| 75 | Moxham, Caspar | 1753 | AUS | F | F | F | F | −13N | −26B | F | 0.0 | 6.5 | 6.5 | 0.00 | 972 | -38.0 |
| 76 | Arun, Swarun | 1456 | NZL | F | F | F | −68B | −52N | F | −43B | 0.0 | 4.5 | 4.5 | 0.00 | 732 | -16.0 |
| 77 | Goble, Darryn Clifford | 0 | NZL | F | F | −17N | F | F | F | −62B | 0.0 | 4.0 | 4.0 | 0.00 | 696 | 0.0 |
| 78 | Meng, Harrison Xiang Zhi | 1601 | NZL | F | F | F | F | F | −69N | F | 0.0 | 2.0 | 2.0 | 0.00 | 780 | -21.2 |
| 79 | FIDE 4331397 | 0 | — | F | F | F | −53B | F | F | F | 0.0 | 1.5 | 1.5 | 0.00 | 693 | 0.0 |
| 80 | Wong, Eric | 0 | NZL | F | F | −54B | F | F | F | F | 0.0 | 1.5 | 1.5 | 0.00 | 820 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Song, QuinnNZL+73.23.0 pts · #11
- 2Jiang, Patrick DiNZL+70.03.0 pts · #14
- 3Hettiarachchi, KisaraNZL+50.82.0 pts · #23
Top rating losers
- 1Grubic, BogdanSRB-64.01.0 pts · #43
- 2Moxham, CasparAUS-38.00.0 pts · #74
- 3Hawke, AmyNZL-36.43.0 pts · #57
Biggest upsets
- R6+404 Elo gap
- R7+218 Elo gap
- R4+201 Elo gap