ACC Double Weekends July 2025
Open SwissStandard
37 players participated in this 8-round tournament, held from 12 Jul 2025 to 28 Jul 2025 in Auckland, New Zealand. 3 titled players from 2 federations. Top 10 Elo average was 1893, and top seed was Alphaeus Wei Ern Ang (🇳🇿 NZL, FM, 2407).
Timothy Huy Minh Ha (🇳🇿 NZL, 1782) won with 6.5/8, ahead of Sai Vivan Karthikeya Somaraju (6.0) and Jenre Angelo Fabay (6.0). Ha took the lead from round 4.
The biggest upset came in round 3: Sai Vivan Karthikeya Somaraju (CM, 1834) beat Alphaeus Wei Ern Ang (FM, 2407), a +573-point gap.
Location
🇳🇿Auckland, New Zealand
Dates
12 Jul 2025 → 28 Jul 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 8 rounds
Titled players · 3
FM×1
CM×1
WCM×1
Federations · 2 represented
🇳🇿New Zealand×35
🇬🇧England×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 8 roundsTimothy Huy Minh Ha led from R4; +0.5-point edge over the runner-up.
Co-leaders
16
4
1
1
1
1
1
1
R4 · LEADER CHANGE13 Jul
Timothy Huy Minh Ha takes the sole lead (3.5/4).
R5 · HEAD-TO-HEAD · WINNER VS 2ND
Timothy Huy Minh Ha beat CM Sai Vivan Karthikeya Somaraju (White).
WIN STREAKS · 2 top finishers
Timothy Huy Minh Ha 3 wins (R4–R6)CM Sai Vivan Karthikeya Somaraju 3+3 wins (R1–R3, R6–R8)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Timothy Huy Minh Ha | * | 1 | ½ | — |
| 2CMSai Vivan Karthikeya Somaraju | 0 | * | 1 | — |
| 3Jenre Angelo Fabay | ½ | 0 | * | ½ |
| 4Buthsara Hettiarachchi | — | — | ½ | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Ha, Timothy Huy Minh | 1782 | NZL | +15B | +32N | =8B | +17N | +2B | +21N | =9B | =3B | 6.5 | 31.5 | 31.5 | 24.00 | 2002 | +39.0 |
| 2 | Somaraju, Sai Vivan KarthikeyaCM | 1834 | NZL | +22B | +3N | +7B | F | −1N | +10B | +14N | +9B | 6.0 | 33.0 | 33.0 | 26.50 | 2055 | +60.8 |
| 3 | Fabay, Jenre Angelo | 1693 | NZL | +30N | −2B | +31N | +29B | =4N | +26B | +6B | =1N | 6.0 | 26.0 | 27.0 | 15.25 | 1889 | +64.0 |
| 4 | Hettiarachchi, Buthsara | 1863 | NZL | +31N | =19B | +10N | F | =3B | −6N | +35B | +16N | 5.0 | 23.5 | 23.5 | 14.25 | 1769 | -24.4 |
| 5 | Li, Olivia | 1633 | NZL | +29B | =17N | +20B | −7N | −25B | +30N | =15B | +33N | 5.0 | 19.5 | 19.5 | 9.25 | 1785 | +27.6 |
| 6 | Jiang, Patrick Di | 1747 | NZL | +24B | −7N | +25B | F | +8N | +4B | −3N | =10B | 4.5 | 28.5 | 28.5 | 15.75 | 1873 | +28.0 |
| 7 | Ang, Alphaeus Wei ErnFM | 2407 | NZL | +18N | +6B | −2N | +5B | F | F | =8N | +19B | 4.5 | 27.0 | 27.0 | 18.75 | 2201 | -10.2 |
| 8 | Jin, Yanbo | 1982 | NZL | +16B | =13N | =1N | F | −6B | +36N | =7B | +29N | 4.5 | 24.5 | 24.5 | 12.50 | 1852 | -33.2 |
| 9 | Guo, Benjamin | 1791 | NZL | F | −26B | +36N | +24B | +19N | +16B | =1N | −2N | 4.5 | 24.0 | 24.0 | 12.75 | 1745 | -5.2 |
| 10 | Hoang, Lucas | 1682 | NZL | +34N | F | −4B | +25N | +35B | −2N | +37B | =6N | 4.5 | 17.5 | 17.5 | 4.25 | 1541 | -18.8 |
| 11 | Meng, Harrison Xiang Zhi | 1618 | NZL | +33B | =20N | −17B | F | =29N | +24B | =13N | +34B | 4.5 | 14.0 | 14.0 | 6.25 | 1669 | +5.2 |
| 12 | Kirschbaum, Asher | 1539 | NZL | −17B | =29N | =28B | F | =24N | +33B | +30N | +37N | 4.5 | 9.0 | 9.0 | 3.25 | 1029 | -6.4 |
| 13 | Pei, Yanshuo | 1765 | NZL | +25N | =8B | −26N | F | −17B | +28N | =11B | +35N | 4.0 | 18.0 | 18.0 | 8.00 | 1634 | -26.8 |
| 14 | Nguyen, Kane | 1504 | NZL | −20B | +33N | =23B | F | +37N | +18B | −2B | =28N | 4.0 | 17.0 | 17.0 | 5.50 | 1623 | +20.0 |
| 15 | Hu, Nolan | 1496 | NZL | −1N | +36B | +34N | −18B | F | +37B | =5N | =24B | 4.0 | 17.0 | 17.0 | 3.50 | 1396 | -12.8 |
| 16 | Korolev, Aleksei | 1572 | NZL | −8N | +30B | +35N | F | +32B | −9N | +34B | −4B | 4.0 | 15.0 | 15.0 | 1.00 | 1071 | -18.0 |
| 17 | Feng, SophiaWCM | 1829 | NZL | +12N | =5B | +11N | −1B | +13N | −20B | F | F | 3.5 | 28.0 | 28.0 | 15.50 | 1747 | -22.4 |
| 18 | Wang, Linyu | 1588 | NZL | −7B | +24N | F | +15N | −21B | −14N | =28B | +32N | 3.5 | 19.0 | 19.0 | 6.75 | 1502 | -23.2 |
| 19 | Fang, Maximilian | 1682 | NZL | +28B | =4N | F | F | −9B | +32N | +25B | −7N | 3.5 | 17.5 | 17.5 | 6.00 | 1638 | -8.4 |
| 20 | Xu, Jeremy Xi | 1788 | NZL | +14N | =11B | −5N | +33B | F | +17N | F | F | 3.5 | 17.0 | 17.0 | 9.75 | 1745 | -7.6 |
| 21 | McConnell, Jack | 1791 | NZL | +27B | +23N | F | F | +18N | −1B | F | F | 3.0 | 14.5 | 14.5 | 8.00 | 1824 | +3.6 |
| 22 | Korolev, Maksim | 1545 | NZL | −2N | +34B | −24N | F | +28B | −25N | +32B | −30B | 3.0 | 12.5 | 12.5 | 1.50 | 1032 | -6.4 |
| 23 | Barry, Jacob | 1629 | NZL | +36N | −21B | =14N | F | F | +29B | F | F | 2.5 | 8.0 | 8.0 | 3.00 | 1455 | -9.0 |
| 24 | Wang, Ethan Zhirui | 0 | NZL | −6N | −18B | +22B | −9N | =12B | −11N | −?B | =15N | 2.0 | 28.5 | 28.5 | 7.25 | 1477 | 0.0 |
| 25 | Yay, Coskun | 0 | NZL | −13B | F | −6N | −10B | +5N | +22B | −19N | −?N | 2.0 | 24.5 | 24.5 | 8.00 | 1568 | 0.0 |
| 26 | Wang, Zi Yao (kelvin) | 1866 | NZL | F | +9N | +13B | F | F | −3N | F | F | 2.0 | 14.5 | 14.5 | 8.50 | 1873 | +0.8 |
| 27 | Thompson, Michael | 1520 | ENG | −21N | F | F | +36B | +33N | F | F | F | 2.0 | 3.0 | 3.0 | 0.00 | 992 | -3.4 |
| 28 | Iyer, Agastya Shankar | 0 | NZL | −19N | −31B | =12N | −?B | −22N | −13B | =18N | =14B | 1.5 | 23.5 | 23.5 | 6.00 | 1339 | 0.0 |
| 29 | Smith, Peter K | 0 | NZL | −5N | =12B | F | −3N | =11B | −23N | F | −8B | 1.0 | 27.0 | 27.0 | 4.50 | 1412 | 0.0 |
| 30 | Yang, Oscar | 0 | NZL | −3B | −16N | F | F | F | −5B | −12B | +22N | 1.0 | 22.5 | 22.5 | 3.00 | 1354 | 0.0 |
| 31 | Sun, Mingjun Elvin | 1563 | NZL | −4B | +28N | −3B | F | F | F | F | F | 1.0 | 12.5 | 12.5 | 1.50 | 978 | -14.0 |
| 32 | Sun, Brooklyn | 0 | NZL | F | −1B | F | F | −16N | −19B | −22N | −18B | 0.0 | 28.0 | 28.0 | 0.00 | 833 | 0.0 |
| 33 | Bhatia, Maan | 0 | NZL | −11N | −14B | F | −20N | −27B | −12N | F | −5B | 0.0 | 24.5 | 24.5 | 0.00 | 803 | 0.0 |
| 34 | Lin, Xin (Oliver) | 0 | NZL | −10B | −22N | −15B | F | F | F | −16N | −11N | 0.0 | 20.0 | 20.0 | 0.00 | 783 | 0.0 |
| 35 | Liang, David Ye Cheng | 0 | NZL | F | F | −16B | F | −10N | F | −4N | −13B | 0.0 | 17.5 | 17.5 | 0.00 | 919 | 0.0 |
| 36 | Shashidhara, Pragyan | 0 | NZL | −23B | −15N | −9B | −27N | F | −8B | F | F | 0.0 | 17.5 | 17.5 | 0.00 | 881 | 0.0 |
| 37 | FIDE 4331940 | 0 | — | F | F | F | F | −14B | −15N | −10N | −12B | 0.0 | 17.0 | 17.0 | 0.00 | 754 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Fabay, Jenre AngeloNZL+64.06.0 pts · #5
- 2Somaraju, Sai Vivan KarthikeyaCMNZL+60.86.0 pts · #1
- 3Ha, Timothy Huy MinhNZL+39.06.5 pts · #2
Top rating losers
- 1Jin, YanboNZL-33.24.5 pts · #10
- 2Pei, YanshuoNZL-26.84.0 pts · #20
- 3Hettiarachchi, ButhsaraNZL-24.45.0 pts · #4
Biggest upsets
- R3+573 Elo gap
- R5+235 Elo gap
- R6+173 Elo gap