47th Trusts Open C

Open SwissStandard

59 players participated in this 6-round tournament, held from 31 May 2025 to 02 Jun 2025 in Auckland, New Zealand. 3 federations represented. Top 10 Elo average was 1497, and top seed was Mingjun Elvin Sun (🇳🇿 NZL, 1588).

R M S Y Rathayake (🇱🇰 SRI, 1483) won with 5.5/6, ahead of Nicole Xiaoyin Zhao (4.5) and Khim Tee Tan (4.5). Rathayake broke clear in the final round.

Location

🇳🇿Auckland, New Zealand

Dates

31 May 2025 → 02 Jun 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 6 rounds

Top seed

🇳🇿Mingjun Elvin Sun1588

Avg top 10

1,497

Participants

Federations · 3 represented

🇳🇿New Zealand×47

🇱🇰Sri Lanka×3

🇸🇬Singapore×1

Top 3

🥇
R M S Y Rathayake
🇱🇰SRI·1483
5.5pts·1584perf0.0
🥈
Nicole Xiaoyin Zhao
🇳🇿NZL·1485
4.5pts·2277perf+19.6
🥉
Khim Tee Tan
🇳🇿NZL·1473
4.5pts·1479perf0.0

How it unfolded

Top 6 · 6 rounds

R M S Y Rathayake led from R4; +1.0-point edge over the runner-up.

Co-leaders

Rathayake5.5Sun4.5Shao4.5Korolev4.5Zhao4.5Kannan4.5

R4–R6 · LEAD HELD

R M S Y Rathayake never relinquished the lead after R4; final gap +1.0 over the runner-up.

R5 · HEAD-TO-HEAD · WINNER VS 2ND

R M S Y Rathayake drew with Mingjun Elvin Sun (White).

WIN STREAKS · 2 top finishers

R M S Y Rathayake 4 wins (R1–R4)Mingjun Elvin Sun 3 wins (R2–R4)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1R M S Y Rathayake	*	½	—	1
2Mingjun Elvin Sun	½	*	½	—
3Conghan (kirby) Shao	—	½	*	—
4Maksim Korolev	0	—	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	Pts	Bu C1	Bu	SB	Perf	Δ
1	Rathayake, R M S Y	1483	SRI	+?B	+45N	+39B	+4N	=5B	+2N	5.5	18.0	18.0	15.75	1584	0.0
2	Zhao, Nicole Xiaoyin	1485	NZL	+24N	+27B	=8N	+26B	+3N	−1B	4.5	21.0	24.0	16.25	2277	+19.6
3	Tan, Khim Tee	1473	NZL	+46B	+13N	+6B	=11N	−2B	+17N	4.5	21.0	23.0	16.50	1479	0.0
4	Korolev, Maksim	1432	NZL	+33N	+31B	+12N	−1B	+18N	=11B	4.5	20.5	23.5	16.00	2235	+20.4
5	Sun, Mingjun Elvin	1588	NZL	=10N	+42B	+28N	+25B	=1N	=7B	4.5	20.0	22.5	15.50	1616	+10.8
6	Kannan, Vidhur	0	NZL	+21N	+20B	−3N	+44B	+23N	=8B	4.5	19.5	22.0	15.25	1482	0.0
7	Shao, Conghan (kirby)	0	NZL	+56N	+23B	=25N	=8B	+12N	=5N	4.5	19.5	20.5	14.50	1465	0.0
8	Sarmad, Zane	0	NZL	+58B	+47N	=2B	=7N	+36B	=6N	4.5	18.5	18.5	11.75	1485	0.0
9	Ongcoy, Reniza	0	NZL	=29N	+53B	−19N	+28B	+25N	+22N	4.5	16.0	17.5	12.50	1447	0.0
10	Ren, Yucheng	1447	NZL	=5B	+40N	+14B	+39N	−11B	=13N	4.0	19.0	21.5	13.25	1669	+52.0
11	Jasreman Preet, Singh	0	NZL	F	+37B	+38N	=3B	+10N	=4N	4.0	18.5	18.5	14.00	1488	0.0
12	Sadhanika, G G P MATHIDU	0	SRI	+30B	+?N	−4B	+40N	−7B	+27B	4.0	17.5	17.5	8.50	1459	0.0
13	Wang, Tairan (george)	1474	NZL	+57N	−3B	+55N	=24B	+20N	=10B	4.0	17.0	18.0	9.75	1257	-22.4
14	Chen, Lucy	0	NZL	=28N	+29B	−10N	=21B	+53N	+26B	4.0	16.5	18.0	10.75	1261	0.0
15	Choi, Kyan	0	NZL	+41N	−26B	+37N	=19B	+47N	=16N	4.0	16.0	18.0	11.25	1465	0.0
16	Zhang, Franklyn	1438	NZL	+59N	−25B	+49N	=20B	+24N	=15B	4.0	16.0	16.0	9.25	624	-22.0
17	Heard, Billy	0	NZL	+?N	−38B	+27N	+31B	+26N	−3B	4.0	16.0	16.0	9.00	1330	0.0
18	Chen, Jayden	1438	NZL	−38N	+41B	+45B	+34N	−4B	+32N	4.0	15.5	17.5	10.50	1453	+4.0
19	Hooton, Barry R	1469	NZL	−34N	+35B	+9B	=15N	−22B	+54N	3.5	18.0	19.5	11.00	2300	+10.8
20	Wang, Leon	0	NZL	+32B	−6N	+?B	=16N	−13B	+39N	3.5	18.0	18.0	7.50	1602	+2.8
21	Zhou, Caius	1503	NZL	−6B	=22N	+41B	=14N	=30B	+40N	3.5	17.5	20.0	10.25	1615	+12.8
22	Robles Navarro, Andres	0	NZL	−23N	=21B	+42N	+53B	+19N	−9B	3.5	17.5	19.0	9.25	1498	0.0
23	Cheng, Lin Yi Nathan	0	SGP	+22B	−7N	+30B	+46N	−6B	=?N	3.5	17.5	17.5	8.50	1432	0.0
24	Chen, Veda	0	NZL	−2B	+58N	+?B	=13N	−16B	+38B	3.5	15.0	15.0	4.50	1384	0.0
25	Smith, Scott R	1424	NZL	+44B	+16N	=7B	−5N	−9B	=31N	3.0	20.5	23.0	10.25	1484	+6.4
26	Tanniru, Krishna Sowrya Chowd	0	NZL	+35B	+15N	+34B	−2N	−17B	−14N	3.0	19.5	22.5	10.00	1493	0.0
27	Gallage, Mindi Vivanya	0	SRI	+36B	−2N	−17B	+59N	+35B	−12N	3.0	18.5	18.5	6.00	1493	0.0
28	Hu, Nolan	0	NZL	=14B	+43N	−5B	−9N	=45N	+42B	3.0	18.0	20.0	8.00	1487	0.0
29	Sethuramalingam, Niranjana	0	NZL	=9B	−14N	=43B	−35N	+56B	+46N	3.0	16.0	17.0	6.50	1287	0.0
30	Ye, Jeremy Jinhe	1411	NZL	−12N	+56B	−23N	+48B	=21N	=33B	3.0	16.0	17.0	6.25	1486	0.0
31	Fedorov, Nikolai	0	NZL	+?B	−4N	+47B	−17N	=39B	=25B	3.0	16.0	16.0	4.75	1463	0.0
32	Li, Hanxiao Lucas	1453	NZL	−20N	=33B	=50N	+52B	+34N	−18B	3.0	15.5	17.5	7.50	635	-19.6
33	Rust, Tyler	0	NZL	−4B	=32N	−40B	+56N	+43B	=30N	3.0	15.5	16.5	6.50	1359	0.0
34	Tandoan, Baani	0	NZL	+19B	+?N	−26N	−18B	−32B	+51N	3.0	15.5	15.5	5.50	1318	0.0
35	Xu, Vera Jintian	1499	NZL	−26N	−19N	+57B	+29B	−27N	+45B	3.0	14.5	15.5	6.00	1483	0.0
36	FIDE 4331532	0	—	−27N	F	+?B	+38B	−8N	+37B	3.0	13.0	13.0	5.50	1515	0.0
37	Gu, Marcus Zhenbo	1402	NZL	+?B	−11N	−15B	+?N	+46B	−36N	3.0	13.0	13.0	2.00	1507	0.0
38	Ram, Pavan Kumar	1463	NZL	+18B	+17N	−11B	−36N	=54B	−24N	2.5	18.5	20.0	8.75	2235	+18.4
39	Zhang, Mark Haotian	1503	NZL	+55B	+48N	−1N	−10B	=31N	−20B	2.5	18.0	19.5	5.00	622	-24.4
40	Hara, Koki	0	NZL	=42N	−10B	+33N	−12B	+55N	−21B	2.5	17.0	18.5	5.75	654	-36.4
41	Venugopalan, Mayura	0	NZL	−15B	−18N	−21N	+58B	+49N	=44B	2.5	16.0	16.0	3.25	661	0.0
42	Huang, Ziqian	0	NZL	=40B	−5N	−22B	+?N	+?B	−28N	2.5	13.5	13.5	1.25	1272	0.0
43	Liang, David Ye Cheng	1459	NZL	=53N	−28B	=29N	=45B	−33N	+52B	2.5	13.0	14.5	5.25	1496	+2.0
44	Zhang, Cynthia	0	NZL	−25N	+59B	+?B	−6N	−?B	=41N	2.5	10.0	10.0	1.25	1316	0.0
45	Zhang, Huaicheng	1488	NZL	+49B	−1B	−18N	=43N	=28B	−35N	2.0	18.0	20.0	4.75	1192	-44.8
46	Wang, Joshua	0	NZL	−3N	+57B	+48N	−23B	−37N	−29B	2.0	16.0	17.0	3.00	677	0.0
47	Zhou, Jonathan	0	NZL	+54N	−8B	−31N	+50B	−15B	−?N	2.0	15.0	15.0	3.50	687	0.0
48	FIDE 4331540	0	—	+50N	−39B	−46B	−30N	−?B	+56N	2.0	10.5	10.5	3.00	662	0.0
49	Huang, Ian Yanen	0	NZL	−45N	+54B	−16B	−?N	−41B	+58N	2.0	10.0	10.0	1.50	653	0.0
50	FIDE 4322398	0	—	−48B	=?N	=32B	−47N	−51B	+59N	2.0	9.0	9.0	1.50	1425	0.0
51	Arora, Shreyaan	0	NZL	−?B	−?N	−54N	+?B	+50N	−34B	2.0	6.5	6.5	2.00	1313	0.0
52	FIDE 4327578	0	—	−?B	−?N	+58B	−32N	+59B	−43N	2.0	5.5	5.5	0.00	660	0.0
53	FIDE 4330013	0	—	=43B	−9N	+?B	−22N	−14B	−?N	1.5	14.5	14.5	1.25	1460	0.0
54	Bezerra de Oliveira, David	0	NZL	−47B	−49N	+51B	F	=38N	−19B	1.5	12.0	12.0	3.25	1273	0.0
55	FIDE 4327098	0	—	−39N	+?B	−13B	=?N	−40B	−?N	1.5	9.0	9.0	0.00	1263	0.0
56	Rao, Teerthaditya	0	NZL	−7B	−30N	+?N	−33B	−29N	−48B	1.0	15.5	15.5	0.00	1422	0.0
57	Li, Fiona Chenxi	0	NZL	−13B	−46N	−35N	F	−?B	+?N	1.0	9.0	9.0	0.00	1278	0.0
58	FIDE 4322304	0	—	−8N	−24B	−52N	−41N	−?B	−49B	0.0	14.5	14.5	0.00	624	0.0
59	FIDE 4322860	0	—	−16B	−44N	F	−27B	−52N	−50B	0.0	13.5	13.5	0.00	661	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Ren, YuchengNZL
+52.0
4.0 pts · #3
2Korolev, MaksimNZL
+20.4
4.5 pts · #19
3Zhao, Nicole XiaoyinNZL
+19.6
4.5 pts · #22

Top rating losers

1Zhang, HuaichengNZL
-44.8
2.0 pts · #41
2Hara, KokiNZL
-36.4
2.5 pts · #54
3Zhang, Mark HaotianNZL
-24.4
2.5 pts · #58