2025 Holidays Open - U1800

Open SwissStandard

44 players participated in this 5-round tournament, held from 19 Dec 2025 to 21 Dec 2025 in Toronto, ON, Canada. 4 federations represented. Top 10 Elo average was 1680, and top seed was Mohammedfaizal Gulammustu Maulvi (🇨🇦 CAN, 1726).

Nathaniel Yong (🇨🇦 CAN, 1663) won with 5.0/5, ahead of Viktor Zivojinovic (4.0) and Tran Nam Trung (4.0). Yong won solo starting round 4.

The biggest upset came in round 2: Isabelle Guan (1531) beat Ozgur Tarim (1698), a +167-point gap.

Location

🇨🇦Toronto, ON, Canada

Dates

19 Dec 2025 → 21 Dec 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 5 rounds

Top seed

🇨🇦Mohammedfaizal Gulammustu Maulvi1726

Avg top 10

1,680

Participants

Federations · 4 represented

🇨🇦Canada×39

🇹🇷Turkiye×2

🇻🇳Vietnam×1

🇩🇪Germany×1

Top 3

🥇
Nathaniel Yong
🇨🇦CAN·1663
5.0pts·2375perf+75.6
🥈
Viktor Zivojinovic
🇨🇦CAN·1602
4.0pts·1948perf+62.4
🥉
Tran Nam Trung
🇻🇳VIE
4.0pts·1667perf0.0

How it unfolded

Top 6 · 5 rounds

Nathaniel Yong led from R4; +1.0-point edge over the runner-up.

Co-leaders

Yong5Trung4Maulvi4Zivojinovic4Chol3.5Gowrishankar3.5

R4–R5 · LEAD HELD

Nathaniel Yong never relinquished the lead after R4; final gap +1.0 over the runner-up.

R1–R5 · WIN STREAK

Nathaniel Yong won 5 in a row (R1–R5).

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Nathaniel Yong	*	—	—	—
2Tran Nam Trung	—	*	—	½
3Mohammedfaizal Gulammustu Maulvi	—	—	*	—
4Viktor Zivojinovic	—	½	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	Pts	Bu C1	Bu	SB	Perf	Δ
1	Yong, Nathaniel	1663	CAN	+43B	+23N	+8B	+10N	+5B	5.0	11.5	11.5	11.50	2375	+75.6
2	Zivojinovic, Viktor	1602	CAN	+40N	+14B	=6N	=3B	+13N	4.0	13.5	14.5	10.75	1948	+62.4
3	Tran Nam Trung	0	VIE	=16N	+36B	+25B	=2N	+11B	4.0	11.5	12.5	9.25	1667	0.0
4	Maulvi, Mohammedfaizal Gulammustu	1726	CAN	+41N	+35B	−9N	+8B	+16N	4.0	10.0	10.5	7.50	1778	+11.6
5	Chol, Elijah Akol	1625	CAN	=17N	+26B	+12N	+6B	−1N	3.5	14.0	16.0	9.75	1757	+38.4
6	Gowrishankar, Nilaanujan	1651	CAN	+37B	+29N	=2B	−5N	+25B	3.5	11.5	12.5	7.00	1751	+26.8
7	Tongarlak, Omer Yusuf	0	TUR	−18N	+38B	=15N	+29B	+17N	3.5	10.0	11.0	7.00	1648	0.0
8	Guan, Isabelle	1531	CAN	+24B	+12B	−1N	−4N	+27B	3.0	14.0	16.0	7.00	1715	+49.6
9	Li, Grace	1587	CAN	+39B	+19N	+4B	−11N	−14B	3.0	12.5	13.5	7.50	1707	+33.2
10	Naiboglu, Onur	1629	CAN	+27N	+18B	+13N	−1B	F	3.0	12.5	12.5	7.50	1813	+38.0
11	Supsup, Ferdinand	1710	CAN	F	+16B	+17N	+9B	−3N	3.0	12.0	12.0	8.00	2319	+15.2
12	Tarim, Ozgur	1698	TUR	+20B	−8N	−5B	+37N	+24B	3.0	11.0	12.0	5.50	1639	-7.4
13	Mickelson, Jonah	1637	CAN	+34B	+42N	−10B	+24N	−2B	3.0	10.5	11.0	4.00	1465	-27.6
14	Sreekumar, Gayathri	1658	CAN	+38B	−2N	+42B	F	+9N	3.0	10.0	10.5	4.50	1740	+12.8
15	Guan, Gus Lejia	1696	CAN	F	=28N	=7B	+21N	+30B	3.0	10.0	10.0	7.25	1740	+4.0
16	Krishnamurthi, Shashwath Raaghav	1497	CAN	=3B	−11N	+32B	+36N	−4B	2.5	12.5	13.5	4.50	1616	+24.0
17	Das, Antarip	1473	CAN	=5B	+37N	−11B	+34N	−7B	2.5	11.5	12.5	4.25	1608	+20.8
18	Gao, Yiguo	1588	CAN	+7B	−10N	−24B	=19N	+32B	2.5	11.0	12.5	6.25	1452	-30.8
19	Cabioc, Jose	1517	CAN	+30N	−9B	−27N	=18B	+26N	2.5	9.5	11.5	5.25	1494	-2.8
20	Nguyen-Kawamura, Kousuke	1651	CAN	−12N	=31B	+41N	F	+23B	2.5	7.5	7.5	3.50	1689	+8.4
21	Ling, Samuel	1542	CAN	−35N	=41B	+31N	−15B	+42B	2.5	7.0	7.5	2.75	1526	-4.8
22	Le, Duc Khai	1541	CAN	−36N	=32B	−26N	+41B	+33N	2.5	6.0	6.5	2.75	1498	-12.0
23	Jia, Jasper Yunjie	1523	CAN	+31N	−1B	=34N	=26B	−20N	2.0	11.5	13.0	3.75	1550	+4.8
24	Banerjee, Mishika	1538	CAN	−8N	+40B	+18N	−13B	−12N	2.0	11.5	12.5	3.50	1519	-6.0
25	Todd, Adie	1666	CAN	+33B	F	−3N	+27B	−6N	2.0	11.0	11.0	3.50	1682	+1.6
26	Brewer, Jack	1557	CAN	=28B	−5N	+22B	=23N	−19B	2.0	10.5	12.5	4.50	1478	-22.4
27	Sham, Bosco	1590	CAN	−10B	+39N	+19B	−25N	−8N	2.0	10.5	11.5	3.50	1510	-22.4
28	Kheni, Kush	1551	CAN	=26N	=15B	+33N	F	F	2.0	9.5	9.5	4.00	1686	+21.2
29	Wang, Zi	1646	CAN	+32N	−6B	F	−7N	+36B	2.0	9.5	9.5	2.50	1685	+4.4
30	Schneider, David Julian	0	GER	−19B	−33N	+39B	+38N	−15N	2.0	8.0	9.0	2.00	1501	0.0
31	Hunter, Austin	1679	CAN	−23B	=20N	−21B	=42N	+41B	2.0	7.5	8.0	2.00	1461	-47.6
32	Bakradze, Joshua	1470	CAN	−29B	=22N	−16N	+40B	−18N	1.5	9.5	10.5	2.25	1402	-9.0
33	Kamath, Nikita	1430	CAN	−25N	+30B	−28B	=35N	−22B	1.5	8.5	10.0	2.75	1268	-26.4
34	Hawkshaw, Brian	0	CAN	−13N	+43N	=23B	−17B	−39N	1.5	8.5	8.5	1.00	1406	0.0
35	Momic, Jovan	1600	CAN	+21B	−4N	F	=33B	F	1.5	8.0	8.0	3.25	1566	-2.6
36	Bhanot Khurana, Vihaan	1558	CAN	+22B	−3N	F	−16B	−29N	1.0	11.0	11.0	2.50	1431	-20.0
37	Moses, Niam	1498	CAN	−6N	−17B	+40N	−12B	−38N	1.0	10.0	11.0	1.00	1356	-34.4
38	Chance, Melody	1656	CAN	−14N	−7N	F	−30B	+37B	1.0	9.5	9.5	1.00	1579	-8.4
39	Shen, Yuntian(denis)	1566	CAN	−9N	−27B	−30N	F	+34B	1.0	8.5	8.5	1.50	789	-37.6
40	Armstrong, Robert J	1499	CAN	−2B	−24N	−37B	−32N	+44N	1.0	8.5	8.5	0.00	727	-37.0
41	Sahni, Anagh	1477	CAN	−4B	=21N	−20B	−22N	−31N	0.5	11.5	13.5	1.25	1262	-40.8
42	Dhalla, Nikhil	0	CAN	F	−13B	−14N	=31B	−21N	0.5	10.5	10.5	1.00	1307	0.0
43	Verde, Pino	1575	CAN	−1N	−34B	F	F	F	0.0	6.5	6.5	0.00	863	-7.6
44	FIDE 2659433	0	—	F	F	F	F	−40B	0.0	1.0	1.0	0.00	700	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Yong, NathanielCAN
+75.6
5.0 pts · #1
2Zivojinovic, ViktorCAN
+62.4
4.0 pts · #7
3Guan, IsabelleCAN
+49.6
3.0 pts · #12

Top rating losers

1Hunter, AustinCAN
-47.6
2.0 pts · #25
2Sahni, AnaghCAN
-40.8
0.5 pts · #39
3Shen, Yuntian(denis)CAN
-37.6
1.0 pts · #42

Biggest upsets

R2+167 Elo gap
Guan, Isabelle1531 beat Tarim, Ozgur1698
R1+156 Elo gap
Jia, Jasper Yunjie1523 beat Hunter, Austin1679
R3+139 Elo gap
Li, Grace1587 beat Maulvi, Mohammedfaizal Gulammustu1726