ACC Double Weekends August 2025
Open SwissStandard
44 players participated in this 8-round tournament, held from 16 Aug 2025 to 24 Aug 2025 in Auckland, New Zealand. 4 titled players from 2 federations. Top 10 Elo average was 1991, and top seed was Alphaeus Wei Ern Ang (🇳🇿 NZL, FM, 2390).
Daqi Mao (🇳🇿 NZL, FM, 2200) won with 6.0/8, ahead of Malcolm Crack (5.0) and Cohen Young (5.0). Mao took the lead from round 4.
The biggest upset came in round 7: Malcolm Crack (1894) beat Alphaeus Wei Ern Ang (FM, 2390), a +496-point gap.
Location
🇳🇿Auckland, New Zealand
Dates
16 Aug 2025 → 24 Aug 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 8 rounds
Titled players · 4
FM×2
CM×2
Federations · 2 represented
🇳🇿New Zealand×41
🇰🇷South Korea×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 8 roundsFM Daqi Mao led from R4; +1.0-point edge over the runner-up.
Co-leaders
11
5
1
1
1
1
1
1
R4 · LEADER CHANGE17 Aug
FM Daqi Mao takes the sole lead (3.5/4).
R6 · HEAD-TO-HEAD · WINNER VS 2ND
FM Daqi Mao beat Malcolm Crack (Black).
WIN STREAKS · 3 top finishers
FM Daqi Mao 3 wins (R4–R6)Malcolm Crack 3 wins (R1–R3)FM Alphaeus Wei Ern Ang 4 wins (R3–R6)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1FMDaqi Mao | * | 1 | — | ½ |
| 2Malcolm Crack | 0 | * | 1 | — |
| 3FMAlphaeus Wei Ern Ang | — | 0 | * | — |
| 4CMCohen Young | ½ | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Mao, DaqiFM | 2200 | NZL | +14N | +10B | =22N | +13B | +11B | +2N | −8N | =3B | 6.0 | 27.0 | 29.5 | 21.75 | 2110 | -24.4 |
| 2 | Crack, Malcolm | 1894 | NZL | +12N | +27B | +8N | F | F | −1B | +4B | +10N | 5.0 | 24.0 | 24.0 | 18.00 | 2210 | +90.0 |
| 3 | Young, CohenCM | 2030 | NZL | F | +31N | +36B | +25N | +7B | =11N | F | =1N | 5.0 | 20.5 | 20.5 | 13.25 | 2074 | +10.2 |
| 4 | Ang, Alphaeus Wei ErnFM | 2390 | NZL | F | F | +43N | +18N | +25B | +20B | −2N | +44B | 5.0 | 12.0 | 12.0 | 7.00 | 2231 | -6.0 |
| 5 | Tao, Junqing Jerome | 1756 | NZL | F | +17N | +6B | −11N | −9B | +23N | =29B | +7N | 4.5 | 23.5 | 23.5 | 15.00 | 1800 | +17.6 |
| 6 | Sun, Oliver | 1761 | NZL | +39B | F | −5N | +12B | =10N | F | +18B | +13B | 4.5 | 17.5 | 17.5 | 11.25 | 1874 | +32.4 |
| 7 | Korolev, Maksim | 1560 | NZL | −22N | +42B | +21N | +14B | −3N | =10B | =20N | −5B | 4.0 | 23.5 | 23.5 | 8.50 | 1663 | +27.2 |
| 8 | Jin, Yanbo | 1992 | NZL | +25B | +9N | −2B | F | F | +19N | +1B | F | 4.0 | 21.5 | 21.5 | 14.50 | 2054 | +20.4 |
| 9 | Fabay, Jenre Angelo | 1758 | NZL | +42N | −8B | +32N | −10B | +5N | +14B | −13N | F | 4.0 | 19.5 | 19.5 | 9.00 | 1758 | +2.0 |
| 10 | Jiang, Patrick Di | 1844 | NZL | F | −1N | =18B | +9N | =6B | =7N | +12B | −2B | 3.5 | 29.5 | 31.5 | 13.00 | 1761 | -30.4 |
| 11 | Baker, Ilias Angelo (Leo)CM | 2060 | NZL | +36B | +26N | F | +5B | −1N | =3B | F | F | 3.5 | 18.5 | 18.5 | 10.00 | 2033 | +0.6 |
| 12 | Wang, Linyu | 1579 | NZL | −2B | F | +42N | −6N | +39B | +41B | −10N | =20B | 3.5 | 16.5 | 16.5 | 2.25 | 1467 | -19.2 |
| 13 | Liu, Richard Jingjie | 1857 | NZL | +15N | F | F | −1N | F | +28B | +9B | −6N | 3.0 | 19.5 | 19.5 | 9.00 | 1816 | -7.6 |
| 14 | Yay, Coskun | 1663 | NZL | −1B | +40N | +31B | −7N | +30B | −9N | −34B | F | 3.0 | 19.5 | 19.5 | 4.00 | 932 | -68.4 |
| 15 | Korolev, Aleksei | 1517 | NZL | −13B | −36N | +40B | +39N | −19B | +37N | −35B | −21N | 3.0 | 12.0 | 12.5 | 2.00 | 908 | -41.2 |
| 16 | Degapudi, Tamoghna Reddy | 1483 | NZL | F | =20B | −27N | +43B | F | =33N | −19B | +31N | 3.0 | 10.0 | 10.0 | 3.50 | 1463 | -6.0 |
| 17 | Fang, Maximilian | 1674 | NZL | +43N | −5B | +38N | +33B | F | F | F | F | 3.0 | 7.0 | 7.0 | 2.50 | 1728 | +9.2 |
| 18 | Van der Maas, Matthias | 1589 | NZL | F | F | =10N | −4B | +21N | +24B | −6N | −30B | 2.5 | 20.0 | 20.0 | 6.75 | 1591 | -2.0 |
| 19 | Zhou, Martin | 1618 | NZL | F | −22B | F | F | +15N | −8B | +16N | =34N | 2.5 | 19.0 | 19.0 | 6.75 | 1684 | +12.8 |
| 20 | Li, Olivia | 1661 | NZL | F | =16N | +37B | F | F | −4N | =7B | =12N | 2.5 | 16.5 | 16.5 | 6.25 | 1585 | -22.4 |
| 21 | Lin, Xin (Oliver) | 0 | NZL | −26B | −25N | −7B | +36N | −18B | F | =32N | +15B | 2.5 | 16.0 | 16.0 | 4.75 | 1487 | 0.0 |
| 22 | Hettiarachchi, Buthsara | 1860 | NZL | +7B | +19N | =1B | F | F | F | F | F | 2.5 | 12.5 | 12.5 | 9.50 | 2063 | +28.8 |
| 23 | Wang, Ethan Zhirui | 1548 | NZL | F | F | F | F | =41N | −5B | +31N | +33B | 2.5 | 8.0 | 8.0 | 3.25 | 1696 | +15.6 |
| 24 | Li, Hanxiao Lucas | 1477 | NZL | F | F | −26B | +37N | =31B | −18N | +39B | F | 2.5 | 7.5 | 7.5 | 2.25 | 884 | 0.0 |
| 25 | Youn, Laeho | 1601 | KOR | −8N | +21B | +39N | −3B | −4N | F | F | F | 2.0 | 17.0 | 17.0 | 3.00 | 1200 | -10.0 |
| 26 | Leon, Marco | 1778 | NZL | +21N | −11B | +24N | F | F | F | F | F | 2.0 | 12.5 | 12.5 | 5.00 | 1258 | -6.4 |
| 27 | Hettiarachchi, Kisara | 1709 | NZL | +40B | −2N | +16B | F | F | F | F | F | 2.0 | 8.5 | 8.5 | 3.50 | 1694 | -1.2 |
| 28 | Nguyen, Kane | 1496 | NZL | F | F | F | F | +42B | −13N | +37B | F | 2.0 | 7.5 | 7.5 | 1.00 | 1058 | -4.0 |
| 29 | Kirschbaum, Asher | 1539 | NZL | F | F | F | F | +37B | F | =5N | =35N | 2.0 | 7.0 | 7.0 | 4.00 | 1730 | +20.0 |
| 30 | Kirschbaum, Frank | 0 | NZL | F | F | F | F | −14N | F | +38B | +18N | 2.0 | 6.5 | 6.5 | 3.50 | 1575 | 0.0 |
| 31 | Bhatia, Maan | 0 | NZL | F | −3B | −14N | =32B | =24N | =38N | −23B | −16B | 1.5 | 18.5 | 18.5 | 2.50 | 1324 | 0.0 |
| 32 | Iyer, Agastya Shankar | 1446 | NZL | F | F | −9B | =31N | F | F | =21B | =39N | 1.5 | 8.5 | 8.5 | 2.25 | 956 | -5.2 |
| 33 | Barry, Jacob | 1636 | NZL | F | +43B | F | −17N | F | =16B | F | −23N | 1.5 | 8.5 | 8.5 | 1.50 | 1299 | -25.0 |
| 34 | Prince, Aaron | 1558 | NZL | F | F | F | F | F | F | +14N | =19B | 1.5 | 5.5 | 5.5 | 4.25 | 1831 | +28.4 |
| 35 | Prince, Aidan | 1704 | NZL | F | F | F | F | F | F | +15N | =29B | 1.5 | 5.0 | 5.0 | 4.00 | 1719 | +1.2 |
| 36 | Hoang, Lucas | 1653 | NZL | −11N | +15B | −3N | −21B | F | F | F | F | 1.0 | 14.0 | 14.0 | 3.00 | 1740 | +5.6 |
| 37 | Menon, Adishankar | 0 | NZL | F | F | −20N | −24B | −29N | −15B | −28N | +38B | 1.0 | 13.0 | 13.0 | 1.00 | 1285 | 0.0 |
| 38 | Yang, Oscar | 1416 | NZL | F | F | −17B | =40N | F | =31B | −30N | −37N | 1.0 | 8.0 | 8.0 | 1.00 | 876 | -7.2 |
| 39 | Liang, David Ye Cheng | 0 | NZL | −6N | F | −25B | −15B | −12N | F | −24N | =32B | 0.5 | 17.0 | 17.0 | 0.75 | 1213 | 0.0 |
| 40 | FIDE 4332199 | 0 | — | −27N | −14B | −15N | =38B | F | F | F | F | 0.5 | 9.0 | 9.0 | 0.50 | 1252 | 0.0 |
| 41 | Griffin, Peter | 0 | NZL | F | F | F | F | =23B | −12N | F | F | 0.5 | 6.0 | 6.0 | 1.25 | 1371 | 0.0 |
| 42 | Shashidhara, Pragyan | 0 | NZL | −9B | −7N | −12B | F | −28N | F | F | F | 0.0 | 13.5 | 13.5 | 0.00 | 796 | 0.0 |
| 43 | FIDE 4331940 | 0 | — | −17B | −33N | −4B | −16N | F | F | F | F | 0.0 | 12.5 | 12.5 | 0.00 | 999 | 0.0 |
| 44 | Song, Quinn | 1646 | NZL | F | F | F | F | F | F | F | −4N | 0.0 | 5.0 | 5.0 | 0.00 | 1246 | -3.2 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Crack, MalcolmNZL+90.05.0 pts · #2
- 2Sun, OliverNZL+32.44.5 pts · #8
- 3Hettiarachchi, ButhsaraNZL+28.82.5 pts · #14
Top rating losers
- 1Yay, CoskunNZL-68.43.0 pts · #44
- 2Korolev, AlekseiNZL-41.23.0 pts · #38
- 3Jiang, Patrick DiNZL-30.43.5 pts · #7
Biggest upsets
- R7+496 Elo gap
- R7+208 Elo gap
- R7+105 Elo gap