North Island Chess Championships 2025

Open SwissStandard

57 players participated in this 8-round tournament, held from 04 Jul 2025 to 07 Jul 2025 in New Plymouth, New Zealand. 11 titled players from 5 federations. Top 10 Elo average was 2103, and top seed was Alphaeus Wei Ern Ang (🇳🇿 NZL, FM, 2407).

Alphaeus Wei Ern Ang (🇳🇿 NZL, FM, 2407) won with 7.0/8, ahead of Daqi Mao (6.5) and Anthony F Ker (6.0). Ang shared the lead from round 6 and broke clear in the final round.

The biggest upset came in round 2: Luna Yuexiu Xu (WCM, 1726) beat Russell John Dive (IM, 2170), a +444-point gap.

Location

🇳🇿New Plymouth, New Zealand

Dates

04 Jul 2025 → 07 Jul 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 8 rounds

Top seed

🇳🇿FMAlphaeus Wei Ern Ang2407

Avg top 10

2,103

Participants

Titled players · 11

IM×2

FM×4

CM×4

WCM×1

Federations · 5 represented

🇳🇿New Zealand×45

🇮🇳India×2

🇱🇰Sri Lanka×2

🇦🇺Australia×1

🇸🇬Singapore×1

Top 3

🥇
FMAlphaeus Wei Ern Ang
🇳🇿NZL·2407
7.0pts·2399perf-0.4
🥈
FMDaqi Mao
🇳🇿NZL·2142
6.5pts·2279perf+58.4
🥉
IMAnthony F Ker
🇳🇿NZL·2199
6.0pts·2194perf+1.9

How it unfolded

Top 6 · 8 rounds

FM Alphaeus Wei Ern Ang led from R8; +0.5-point edge over the runner-up.

Co-leaders

Ang7Mao6.5Yu6Langford6Ker6Wang5.5— ex-leaders:Kerled R4–R5, #7

R8 · LEADER CHANGE07 Jul

FM Alphaeus Wei Ern Ang takes the sole lead (7.0/8).

R4 · HEAD-TO-HEAD · WINNER VS 2ND

FM Alphaeus Wei Ern Ang drew with FM Daqi Mao (White).

WIN STREAKS · 3 top finishers

FM Alphaeus Wei Ern Ang 3+3 wins (R1–R3, R6–R8)FM Daqi Mao 3 wins (R1–R3)CM Zachary Yu 3 wins (R4–R6)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1FMAlphaeus Wei Ern Ang	*	½	1	—
2FMDaqi Mao	½	*	1	—
3CMZachary Yu	0	0	*	—
4Joshua Langford	—	—	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	Pts	Bu C1	Bu	SB	Perf	Δ
1	Ang, Alphaeus Wei ErnFM	2407	NZL	+27N	+17B	+4N	=2B	=3N	+13B	+8N	+6B	7.0	38.5	42.5	36.25	2399	-0.4
2	Mao, DaqiFM	2142	NZL	+51B	+15N	+12B	=1N	=8B	+9N	+4B	=3N	6.5	39.0	41.0	32.00	2279	+58.4
3	Ker, Anthony FIM	2199	NZL	+16B	+14N	+5B	+6N	=1B	−8N	+10B	=2B	6.0	40.0	45.0	33.25	2194	+1.9
4	Yu, ZacharyCM	1961	NZL	+20B	+25N	−1B	+26N	+14B	+11N	−2N	+9B	6.0	37.0	41.0	27.50	2164	+84.0
5	Langford, Joshua	1896	NZL	+35N	+18B	−3N	=10B	=22N	+31B	+15N	+8B	6.0	33.0	36.5	26.00	2022	+23.2
6	Smith, Robert WFM	2105	NZL	+37N	+32B	+13N	−3B	=17N	+19B	+7N	−1N	5.5	36.0	39.0	23.75	2099	+1.2
7	Wang, Justin ZhideCM	1981	NZL	+24B	+26N	=11N	+19B	−9B	+18N	−6B	+14N	5.5	33.5	37.5	24.50	2017	+24.4
8	Baker, Ilias Angelo (Leo)CM	2031	NZL	+33N	=19B	+22N	+11B	=2N	+3B	−1B	−5N	5.0	39.0	42.5	24.00	2083	+12.8
9	Dive, Russell JohnIM	2170	NZL	+30N	−22B	+48N	+25B	+7N	−2B	+13N	−4N	5.0	34.5	37.0	20.50	1980	-15.5
10	Ross, Brayden	0	NZL	+34B	−12N	+49B	=5N	+25N	+17B	−3N	=11B	5.0	34.0	36.0	19.50	1939	0.0
11	Archer, OllieFM	2109	NZL	+23B	+47N	=7B	−8N	+38B	−4B	+19N	=10N	5.0	33.0	35.5	19.25	1930	-46.0
12	Piwari, Dylan Tama	1924	NZL	+52N	+10B	−2N	=18B	−19N	=16B	+30N	+29B	5.0	33.0	35.0	19.25	1669	-30.6
13	Wilson, Dion A	1914	NZL	+36B	+54N	−6B	+34N	+15B	−1N	−9B	+31N	5.0	33.0	34.0	16.50	1961	+10.0
14	Nicholls, LeightonCM	1871	NZL	+39N	−3B	+46N	+45B	−4N	+23B	+22N	−7B	5.0	31.5	34.5	17.00	1852	-1.6
15	McConnell, Jack	1791	NZL	+44N	−2B	+37N	+30B	−13N	+45B	−5B	+24N	5.0	31.0	34.0	16.50	1763	-4.6
16	Guo, Anne Xuduo	1625	NZL	−3N	+39B	−17N	+53B	=50N	=12N	+41B	+22B	5.0	27.5	29.5	15.50	1796	+28.4
17	Hettiarachchi, Buthsara	1863	NZL	+42B	−1N	+16B	+23N	=6B	−10N	+18B	F	4.5	34.0	34.0	19.25	1966	+33.6
18	Zhou, Martin	1593	NZL	+38B	−5N	+24B	=12N	+20B	−7B	−17N	+35N	4.5	33.0	36.0	17.50	1727	+39.2
19	Zhou, Ryan Yiheng	1800	NZL	+50B	=8N	+31B	−7N	+12B	−6N	−11B	+34N	4.5	33.0	35.0	16.50	1933	+45.2
20	Wickramathanthri Dinuga	1447	SRI	−4N	+44B	+32N	=22B	−18N	+47B	−21N	+30B	4.5	29.0	31.5	14.50	1726	+89.6
21	Willoughby-Ansell, Xxavier	1794	NZL	F	F	−23B	=31N	+32B	+50N	+20B	+25N	4.5	21.5	21.5	15.75	1816	+9.6
22	Xu, Luna YuexiuWCM	1726	NZL	+49B	+9N	−8B	=20N	=5B	+24N	−14B	−16N	4.0	34.5	36.5	16.25	1732	-2.3
23	Hettiarachchi, Kisara	1592	NZL	−11N	+29B	+21N	−17B	+28N	−14N	+26B	F	4.0	31.0	31.0	16.50	1822	+65.6
24	Khanolkar, Aarush	1478	NZL	−7N	+40B	−18N	+55B	+27N	−22B	+28N	−15B	4.0	30.0	31.0	12.00	1590	+26.0
25	Tao, Junqing Jerome	1772	NZL	+56N	−4B	+33N	−9N	−10B	+39B	+46N	−21B	4.0	30.0	31.0	10.50	1723	-16.4
26	Ha, Timothy Huy Minh	1782	NZL	+40N	−7B	+53N	−4B	=30N	=37B	−23N	+33B	4.0	28.5	30.5	11.75	1563	-28.0
27	Ashe, Michael	1665	NZL	−1B	=36N	+56B	=38N	−24B	−29N	+53B	+40N	4.0	26.5	27.5	9.25	976	-16.2
28	Aadhav Dhamodharan	1626	IND	+43B	−31N	−38B	+39N	−23B	+35N	−24B	+52N	4.0	24.0	26.0	11.50	1378	-52.0
29	Newton, Kotua	0	NZL	−47B	−23N	+51B	−48B	+55N	+27B	+45N	−12N	4.0	23.0	24.0	10.00	1606	0.0
30	Liang, Ting	1553	NZL	−9B	+42N	+47B	−15N	=26B	+34N	−12B	−20N	3.5	30.0	32.5	11.00	1679	+22.2
31	Holdo, Karl	1704	NZL	F	+28B	−19N	=21B	+46N	−5N	+37B	−13B	3.5	30.0	30.0	12.25	1710	-1.6
32	OBrien, Finn	1814	NZL	+41B	−6N	−20B	F	−21N	+42N	=50B	+37N	3.5	25.5	25.5	10.00	1507	-59.2
33	Hooton, Barry R	1480	NZL	−8B	+41N	−25B	+54N	−45N	=43B	+38B	−26N	3.5	25.0	26.0	8.50	956	-14.6
34	Addagada, Geetham	1688	NZL	−10N	+57B	+55N	−13B	=37N	−30B	+43N	−19B	3.5	25.0	25.5	6.00	953	-48.0
35	Tanniru, Krishna Sowrya Chowd	1495	NZL	−5B	−49N	+43B	+57N	=48N	−28B	+47N	−18B	3.5	24.5	25.0	7.25	1543	+7.6
36	Wang, Ruitong	0	NZL	−13N	=27B	=57N	−40B	−41N	+55B	+54B	=42N	3.5	20.0	20.5	5.75	1553	0.0
37	Raghava Kumar Konduri	0	IND	−6B	+43N	−15B	+49N	=34B	=26N	−31N	−32B	3.0	28.0	30.0	8.75	1540	0.0
38	Pham, Dang Khoi	0	NZL	−18N	+52B	+28N	=27B	−11N	−48B	−33N	=47B	3.0	26.0	28.0	9.25	1531	0.0
39	Konduri, Rishi	0	NZL	−14B	−16N	+44B	−28B	+49N	−25N	−40B	+55N	3.0	26.0	27.0	6.00	923	0.0
40	Nguyen, Ben	0	NZL	−26B	−24N	+42B	+36N	−47N	−46B	+39N	−27B	3.0	24.5	27.0	9.50	1346	0.0
41	FIDE 110105205	0	—	−32N	−33B	+52N	−46B	+36B	+44N	−16N	−45B	3.0	24.5	26.5	8.50	815	0.0
42	Xu, Vera Jintian	1454	NZL	−17N	−30B	−40N	=44N	+57B	−32B	+51N	=36B	3.0	23.0	23.5	5.75	1478	-1.2
43	FIDE 4324730	0	—	−28N	−37B	−35N	+52B	+54B	=33N	−34B	=44N	3.0	22.5	23.5	6.25	1246	0.0
44	Hameed, Ubed	0	NZL	−15B	−20N	−39N	=42B	+56N	−41B	+57N	=43B	3.0	22.5	23.0	4.50	1291	0.0
45	Tan, Ashriel Jia En	1593	SGP	F	F	+54B	−14N	+33B	−15N	−29B	+41N	3.0	21.5	21.5	7.50	1589	-2.0
46	Rehansi, D P Sayuni Vonara	1565	NZL	F	F	−14B	+41N	−31B	+40N	−25B	+50N	3.0	20.5	20.5	8.00	985	-28.0
47	Kerr, Grant	1759	NZL	+29N	−11B	−30N	F	+40B	−20N	−35B	=38N	2.5	26.5	26.5	8.50	849	-51.2
48	Nazeer, Afique M	1589	SRI	F	F	−9B	+29N	=35B	+38N	F	F	2.5	15.5	15.5	8.75	1548	-4.2
49	Le, Long Minh	0	NZL	−22N	+35B	−10N	−37B	−39B	+51N	−52B	−53N	2.0	22.5	24.5	5.50	1583	0.0
50	Avery, Chris	0	NZL	−19N	+51N	F	F	=16B	−21B	=32N	−46B	2.0	22.5	22.5	6.25	1553	0.0
51	Jurd, Charles	1471	AUS	−2N	−50B	−29N	+56B	−53N	−49B	−42B	+54N	2.0	20.5	21.5	2.00	863	-24.0
52	Addagada, Janvi	0	NZL	−12B	−38N	−41B	−43N	F	+57B	+49N	−28B	2.0	20.5	20.5	2.50	975	0.0
53	Domney Mackey, Delavan	0	NZL	F	F	−26B	−16N	+51B	F	−27N	+49B	2.0	17.0	17.0	4.00	1442	0.0
54	FIDE 4324765	0	—	F	−13B	−45N	−33B	−43N	+56B	−36N	−51B	1.0	21.0	21.0	1.00	814	0.0
55	FIDE 4331729	0	—	F	F	−34B	−24N	−29B	−36N	+56N	−39B	1.0	19.0	19.0	1.00	780	0.0
56	FIDE 4331915	0	—	−25B	F	−27N	−51N	−44B	−54N	−55B	+57N	1.0	15.5	15.5	0.50	836	0.0
57	FIDE 4324447	0	—	F	−34N	=36B	−35B	−42N	−52N	−44B	−56B	0.5	19.5	19.5	1.75	740	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Wickramathanthri DinugaSRI
+89.6
4.5 pts · #17
2Yu, ZacharyCMNZL
+84.0
6.0 pts · #3
3Hettiarachchi, KisaraNZL
+65.6
4.0 pts · #22

Top rating losers

1OBrien, FinnNZL
-59.2
3.5 pts · #36
2Aadhav DhamodharanIND
-52.0
4.0 pts · #37
3Kerr, GrantNZL
-51.2
2.5 pts · #53

Biggest upsets

R2+444 Elo gap
WCMXu, Luna Yuexiu1726 beat IMDive, Russell John2170
R3+367 Elo gap
Wickramathanthri Dinuga1447 beat OBrien, Finn1814
R6+312 Elo gap
Wickramathanthri Dinuga1447 beat Kerr, Grant1759