KCA Standard Open 2025 (Sep - Oct)
16 players participated in this 7-round tournament, held from 19 Sept 2025 to 24 Oct 2025 in Hong Kong, Hong Kong. 1 titled players from 3 federations. Top 10 Elo average was 1662, and top seed was Yunqi Chen (🇨🇳 CHN, 1863).
Zig Zeth Hon (🇭🇰 HKG, 1832) won with 5.0/7, ahead of In Hei Henry Ho (4.0) and Ngo Athan Wong (3.5). Hon won solo starting round 2.
The biggest upset came in round 2: Nok Hang Jonathan Ho (1603) beat In Hei Henry Ho (FM, 1833), a +230-point gap.
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How it unfolded
Top 6 · 7 roundsZig Zeth Hon led from R2; +1.0-point edge over the runner-up.
Zig Zeth Hon never relinquished the lead after R2; final gap +1.0 over the runner-up.
Zig Zeth Hon lost to FM In Hei Henry Ho (Black).
Zig Zeth Hon 3 wins (R1–R3)FM In Hei Henry Ho 4 wins (R3–R7)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Zig Zeth Hon | * | 0 | 1 | 1 |
| 2FMIn Hei Henry Ho | 1 | * | — | — |
| 3Ngo Athan Wong | 0 | — | * | ½ |
| 4Lok Sum Lam | 0 | — | ½ | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Hon, Zig Zeth | 1832 | HKG | +16N | +6B | +3N | =5B | =7N | +4B | −2N | 5.0 | 19.5 | 19.5 | 12.75 | 1763 | -15.6 |
| 2 | Ho, In Hei HenryFM | 1833 | HKG | F | −13N | +11B | F | +8N | +9B | +1B | 4.0 | 12.5 | 12.5 | 11.50 | 1842 | +2.6 |
| 3 | Wong, Ngo Athan | 1611 | HKG | +5N | =4B | −1B | −7N | +9B | −10N | +12B | 3.5 | 18.0 | 19.5 | 8.25 | 1624 | +2.8 |
| 4 | Lam, Lok Sum | 1621 | HKG | +15B | =3N | F | −6B | +11N | −1N | +10B | 3.5 | 16.0 | 16.0 | 6.25 | 1599 | -3.4 |
| 5 | Chung, Kwok Kwan | 1461 | HKG | −3B | +15N | +8B | =1N | F | F | =7B | 3.0 | 19.5 | 20.0 | 6.75 | 1696 | +59.6 |
| 6 | Bautista, Miguel Luis Reyes | 1537 | HKG | +12B | −1N | +16B | +4N | F | F | F | 3.0 | 16.0 | 16.0 | 5.00 | 1777 | +36.8 |
| 7 | Lau, Tsz Yiu Christ | 1667 | HKG | F | =8N | F | +3B | =1B | F | =5N | 2.5 | 14.0 | 14.0 | 8.75 | 1700 | +3.6 |
| 8 | Yeo, Ren Jie Aidan | 1517 | HKG | F | =7B | −5N | +15N | −2B | F | +9N | 2.5 | 12.0 | 12.0 | 3.75 | 1599 | +19.6 |
| 9 | Pang, Maximus | 1538 | HKG | F | F | +12N | +10B | −3N | −2N | −8B | 2.0 | 13.5 | 13.5 | 3.50 | 853 | -43.2 |
| 10 | Yeo, Ren Kai Declan | 0 | HKG | F | −11N | =15B | −9N | =12B | +3B | −4N | 2.0 | 13.0 | 13.0 | 4.50 | 1408 | 0.0 |
| 11 | Mahadevan, Aravind | 1518 | HKG | −14N | +10B | −2N | F | −4B | F | +15N | 2.0 | 11.0 | 11.0 | 2.50 | 1510 | -3.0 |
| 12 | Chia, Hoi Long Alpha | 0 | HKG | −6N | F | −9B | F | =10N | +15B | −3N | 1.5 | 11.0 | 11.0 | 1.50 | 1353 | 0.0 |
| 13 | Ho, Nok Hang Jonathan | 1603 | HKG | F | +2B | F | F | F | F | F | 1.0 | 4.0 | 4.0 | 4.00 | 2633 | +15.8 |
| 14 | Chen, Yunqi | 1863 | CHN | +11B | F | F | F | F | F | F | 1.0 | 2.0 | 2.0 | 2.00 | 2319 | +2.4 |
| 15 | Cho, Hayoon | 1497 | KOR | −4N | −5B | =10N | −8B | F | −12N | −11B | 0.5 | 14.5 | 14.5 | 1.00 | 729 | -72.8 |
| 16 | Wong, Ching Long | 1503 | HKG | −1B | F | −6N | F | F | F | F | 0.0 | 11.5 | 11.5 | 0.00 | 884 | -23.2 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Chung, Kwok KwanHKG+59.63.0 pts · #3
- 2Bautista, Miguel Luis ReyesHKG+36.83.0 pts · #8
- 3Yeo, Ren Jie AidanHKG+19.62.5 pts · #7
- 1Cho, HayoonKOR-72.80.5 pts · #14
- 2Pang, MaximusHKG-43.22.0 pts · #16
- 3Wong, Ching LongHKG-23.20.0 pts · #15
- R2+230 Elo gap