2025 Seattle Chess Classic - Tiglon Open

Open SwissStandard

57 players participated in this 6-round tournament, held from 16 Aug 2025 to 17 Aug 2025 in Bellevue, WA, United States. 5 titled players from 8 federations. Top 10 Elo average was 2141, and top seed was Aziz Degenbaev (🇰🇬 KGZ, FM, 2295).

M Siddarth (🇮🇳 IND, 2244) won with 5.5/6, ahead of Aziz Degenbaev (5.5) and Vedic Panda (4.5). Siddarth shared the lead from round 1, winning on tie-break.

The biggest upset came in round 4: Leonardo Xirui Wang (1738) beat Ryan W Porter (FM, 2232), a +494-point gap.

Location

🇺🇸Bellevue, WA, United States

Dates

16 Aug 2025 → 17 Aug 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 6 rounds

Top seed

🇰🇬FMAziz Degenbaev2295

Avg top 10

2,141

Participants

Titled players · 5

FM×3

CM×2

Federations · 8 represented

🇺🇸United States of America×47

🇮🇳India×4

🇺🇦Ukraine×1

🇸🇬Singapore×1

🇪🇸Spain×1

🇮🇱Israel×1

🇰🇬Kyrgyzstan×1

🇨🇦Canada×1

Top 3

🥇
M Siddarth
🇮🇳IND·2244
5.5pts·2451perf+21.4
🥈
FMAziz Degenbaev
🇰🇬KGZ·2295
5.5pts·2443perf+15.2
🥉
Vedic Panda
🇺🇸USA·2199
4.5pts·2139perf-3.0

How it unfolded

Top 6 · 6 rounds

Tight race until R6; 2 players tied at 5.5/6, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 2 at the finish.

Co-leaders

Degenbaev5.5Siddarth5.5Gottumukkala4.5Chinni4.5Panda4.5Wang4

R6 · TIEBREAK CLUSTER

2 players finish on 5.5/6. Siddarth takes the title on Buchholz Cut1 (21.5).

R5 · HEAD-TO-HEAD · WINNER VS 2ND

FM Aziz Degenbaev drew with M Siddarth (White).

WIN STREAKS · 3 top finishers

FM Aziz Degenbaev 4 wins (R1–R4)M Siddarth 4 wins (R1–R4)Ananth Gottumukkala 3 wins (R4–R6)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1FMAziz Degenbaev	*	½	—	—
2M Siddarth	½	*	—	1
3Ananth Gottumukkala	—	—	*	—
4CMRishabh Chinni	—	0	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	Pts	Bu C1	Bu	SB	Perf	Δ
1	Siddarth, M	2244	IND	+56N	+19B	+4N	+3B	=2N	+6N	5.5	21.5	21.5	18.75	2451	+21.4
2	Degenbaev, AzizFM	2295	KGZ	+20B	+51N	+6B	+7N	=1B	+13N	5.5	20.0	21.0	18.25	2443	+15.2
3	Panda, Vedic	2199	USA	+42B	+36N	+14B	−1N	=12B	+7N	4.5	19.0	21.0	13.75	2139	-3.0
4	Chinni, RishabhCM	2063	USA	+41B	+30N	−1B	+25N	=10B	+12N	4.5	18.5	20.5	13.00	2052	+4.4
5	Gottumukkala, Ananth	2042	USA	=44N	+40B	−17N	+8B	+28N	+14B	4.5	15.5	17.0	12.75	1945	-10.0
6	Kurungod Anoop, Pranav	2025	USA	+32B	+39N	−2N	+17B	+9N	−1B	4.0	21.0	23.0	12.00	2069	+8.8
7	Kona, VidipCM	2145	USA	+35N	+43B	+26N	−2B	+18N	−3B	4.0	19.0	21.0	11.00	2107	-2.0
8	Li, Shawn	1727	USA	+12B	−33N	+51B	−5N	+20B	+19B	4.0	16.5	17.5	10.50	2002	+84.8
9	Fletcher, Andrew James	1773	USA	=31B	+29N	+21B	=13N	−6B	+32N	4.0	15.5	18.0	11.00	1996	+68.8
10	Wang, Leonardo Xirui	1738	SGP	−49N	+23B	+39N	+34B	=4N	=16B	4.0	15.5	16.5	11.50	2007	+75.2
11	Patankar, Vijay	1809	USA	−48B	=22N	=29B	+45N	+23B	+31N	4.0	12.5	13.5	9.75	1799	-1.6
12	Alkin, Ido	1839	ISR	−8N	+24B	+30N	+19B	=3N	−4B	3.5	19.0	21.5	10.75	1928	+26.4
13	Jiang, BrandonFM	2050	USA	F	+15B	+28N	=9B	+26N	−2B	3.5	18.5	18.5	11.00	2008	-4.0
14	Thorwe Pratik	1848	IND	+22B	+48N	−3N	=28B	+35B	−5N	3.5	17.0	18.0	7.75	1834	-2.8
15	Ayalew, Brook	1802	USA	=34B	−13N	+22B	+49N	=33B	=21N	3.5	14.5	15.5	8.00	1939	+31.6
16	Tessiore, Luca G	2110	USA	+23N	−28B	F	+38N	+36B	=10N	3.5	14.0	14.0	9.50	1841	-43.6
17	Pikh, Akim	1896	UKR	=45N	+44B	+5B	−6N	F	+30N	3.5	14.0	14.0	9.25	2053	+33.2
18	Loving, Jason	1999	USA	=29B	+31N	+49B	+33N	−7B	F	3.5	12.5	12.5	7.25	1997	+4.4
19	Nallappa, Vijay	1779	USA	+47B	−1N	+48B	−12N	+29B	−8N	3.0	17.0	18.0	5.00	1787	-0.4
20	Nicoski, Aaron M	1767	USA	−2N	+52B	+37N	−26B	−8N	+47B	3.0	16.0	17.0	4.50	1725	-17.2
21	Yondon, Odbayar	1878	USA	=24N	+45B	−9N	+41B	−34N	=15B	3.0	15.0	16.5	6.75	1790	-27.6
22	Strong, Edward	0	USA	−14N	=11B	−15N	+44B	+55N	=36B	3.0	15.0	15.0	4.75	1758	0.0
23	Nam, Jinmo	1752	USA	−16B	−10N	+54B	+50N	−11N	+37B	3.0	14.5	15.0	3.50	1752	-2.8
24	Syal, Yash	1766	USA	=21B	−12N	=40N	=30B	+41N	=35B	3.0	13.5	15.5	7.00	1752	-4.4
25	Miller, Travis J	1905	USA	−37N	+50B	+46N	−4B	−31N	+49B	3.0	11.5	12.5	3.50	1603	-71.6
26	Lin, Michael	1755	USA	+50B	+55N	−7B	+20N	−13B	F	3.0	11.5	11.5	4.00	1910	+35.6
27	Ihsan Mohamed N T	1767	IND	−28N	−38B	+44N	+39B	−32N	+52B	3.0	10.5	11.5	4.50	1760	-1.2
28	Jones, Davey	1672	USA	+27B	+16N	−13B	=14N	−5B	F	2.5	18.0	18.0	8.25	1956	+31.8
29	Takayoshi, Evan	1891	USA	=18N	−9B	=11N	+46B	−19N	=38B	2.5	16.5	18.0	6.25	1647	-50.8
30	Bharathy Mohan, Aarav Sai	1694	USA	+57N	−4B	−12B	=24N	+37N	−17B	2.5	16.5	16.5	3.50	1761	+16.0
31	Maokhampio, Lucas	1593	USA	=9N	−18B	F	+52N	+25B	−11B	2.5	15.5	15.5	6.00	1823	+54.4
32	Scollon, Owen	1787	USA	−6N	+53B	F	=43N	+27B	−9B	2.5	14.0	14.0	5.00	1861	+19.2
33	Montgomery, Eamon	2006	ESP	+38N	+8B	F	−18B	=15N	F	2.5	13.0	13.0	7.75	1843	-12.2
34	Porter, Ryan WFM	2232	USA	=15N	+37B	F	−10N	+21B	F	2.5	12.5	12.5	6.75	1939	-23.0
35	Gao, Ziqian	1677	USA	−7B	+54N	+47B	F	−14N	=24N	2.5	12.5	12.5	3.50	1778	+22.4
36	Zhou, Yuchen	1783	USA	+46N	−3B	F	+55B	−16N	=22N	2.5	12.5	12.5	3.00	1848	+3.2
37	Yuan, Chen	1559	USA	+25B	−34N	−20B	+51N	−30B	−23N	2.0	14.0	15.0	4.00	1693	+33.6
38	Vanpoucke, Vernon Lee	0	USA	−33B	+27N	F	−16B	=47N	=29N	2.0	13.0	13.0	5.00	1784	0.0
39	Shankaranand, Deeksha	1671	USA	+53N	−6B	−10B	−27N	+50B	F	2.0	13.0	13.0	2.00	1722	+9.2
40	Caluza, Juni	1690	CAN	F	−5N	=24B	+48N	=43B	F	2.0	10.5	10.5	3.50	1823	+12.2
41	Yuodelis, Kenneth	1736	USA	−4N	+57B	F	−21N	−24B	+55B	2.0	10.5	10.5	0.00	1752	+0.8
42	Subramanian, Thrinay	1771	USA	−3N	−46B	−50N	+54B	−52B	+48N	2.0	9.0	9.5	1.50	1664	-33.6
43	Reutter, Karl	1901	USA	+54B	−7N	F	=32B	=40N	F	2.0	9.0	9.0	2.75	1829	-16.0
44	Merriman, Dann H	1678	USA	=5B	−17N	−27B	−22N	=54N	=46B	1.5	15.5	16.0	3.25	1657	-7.2
45	Wentz, Austin	0	USA	=17B	−21N	F	−11B	+46N	F	1.5	12.0	12.0	3.25	1588	0.0
46	Liu, Merrick Ruqian	0	USA	−36B	+42N	−25B	−29N	−45B	=44N	1.5	11.5	13.0	2.75	1657	0.0
47	Yang, Jimmy	1505	USA	−19N	+56B	−35N	F	=38B	−20N	1.5	10.5	10.5	1.00	941	-24.8
48	Xu, Zoe Yue	1581	USA	+11N	−14B	−19N	−40B	−53N	−42B	1.0	14.5	15.5	4.00	1516	-16.4
49	Maharaja, Imai Subramonia	1558	USA	+10B	F	−18N	−15B	F	−25N	1.0	14.0	14.0	4.00	1658	+14.0
50	Ganesan, Vidur	1601	USA	−26N	−25N	+42B	−23B	−39N	F	1.0	13.0	13.0	2.00	1531	-16.4
51	Gupta, Anand	1832	USA	+52N	−2B	−8N	−37B	F	F	1.0	12.5	12.5	1.00	1595	-26.2
52	Pai, Vihaan	1634	USA	−51B	−20N	F	−31B	+42N	−27N	1.0	11.5	11.5	2.00	1506	-30.4
53	Vega, Isaac	1838	USA	−39B	−32N	F	F	+48B	F	1.0	5.5	5.5	1.00	1555	-22.2
54	Johnny James	1693	IND	−43N	−35B	−23N	−42N	=44B	F	0.5	11.0	11.0	0.75	1390	-63.2
55	Tessiore, Lorenzo	1625	USA	F	−26B	F	−36N	−22B	−41N	0.0	10.5	10.5	0.00	958	-38.4
56	Kulick, Noah	0	USA	−1B	−47N	F	F	F	F	0.0	7.0	7.0	0.00	1075	0.0
57	Pupols, Viktors	1788	USA	−30B	−41N	F	F	F	F	0.0	4.5	4.5	0.00	915	-24.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Li, ShawnUSA
+84.8
4.0 pts · #10
2Wang, Leonardo XiruiSGP
+75.2
4.0 pts · #6
3Fletcher, Andrew JamesUSA
+68.8
4.0 pts · #7

Top rating losers

1Miller, Travis JUSA
-71.6
3.0 pts · #37
2Johnny JamesIND
-63.2
0.5 pts · #52
3Takayoshi, EvanUSA
-50.8
2.5 pts · #48

Biggest upsets

R4+494 Elo gap
Wang, Leonardo Xirui1738 beat FMPorter, Ryan W2232
R2+438 Elo gap
Jones, Davey1672 beat Tessiore, Luca G2110
R1+346 Elo gap
Yuan, Chen1559 beat Miller, Travis J1905