109th Edward Lasker Memorial - Marshall Chess Club Championship

SwissStandard

96 players participated in this 7-round tournament, held from 18 Dec 2025 to 21 Dec 2025 in New York, NY, United States. 41 titled players from 8 federations. Top 10 Elo average was 2482, and top seed was Jianchao Zhou (🇺🇸 USA, GM, 2592).

Mykola Bortnyk (🇺🇦 UKR, IM, 2407) won with 6.0/7, ahead of Jianchao Zhou (6.0) and Kassa Korley (5.5). Bortnyk shared the lead from round 6, winning on tie-break.

The biggest upset came in round 1: Hardy Gu (1908) beat Aleksandr Lenderman (GM, 2486), a +578-point gap.

Location

🇺🇸New York, NY, United States

Dates

18 Dec 2025 → 21 Dec 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 7 rounds

Top seed

🇺🇸GMJianchao Zhou2592

Avg top 10

2,482

Participants

Titled players · 41

GM×7

IM×11

FM×8

CM×11

WIM×1

WCM×3

Federations · 8 represented

🇺🇸United States of America×81

🇨🇦Canada×3

🇮🇳India×2

🇪🇨Ecuador×2

🇩🇰Denmark×1

🇧🇩Bangladesh×1

🇯🇲Jamaica×1

🇳🇿New Zealand×1

Top 3

🥇
IMMykola Bortnyk
🇺🇦UKR·2407
6.0pts·2607perf+16.9
🥈
GMJianchao Zhou
🇺🇸USA·2592
6.0pts·2643perf+4.4
🥉
IMKassa Korley
🇩🇰DEN·2402
5.5pts·2414perf+2.7

How it unfolded

Top 6 · 7 rounds

Tight race until R7; 2 players tied at 6.0/7, decided on Buchholz. Title race narrowed from 5 co-leaders at R4 to 2 at the finish.

Co-leaders

Zhou6Bortnyk6Korley5.5Rozman5Putnam5George5— ex-leaders:Chasinled R5, #16

R7 · TIEBREAK CLUSTER

2 players finish on 6.0/7. Bortnyk takes the title on Buchholz Cut1 (27.5).

R5 · HEAD-TO-HEAD · WINNER VS 2ND

GM Jianchao Zhou drew with IM Mykola Bortnyk (White).

R2–R4 · WIN STREAK

IM Kassa Korley won 3 in a row (R2–R4).

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1GMJianchao Zhou	*	½	—	—
2IMMykola Bortnyk	½	*	—	—
3IMKassa Korley	—	—	*	—
4IMLevy Rozman	—	—	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	Pts	Bu C1	Bu	SB	Perf	Δ
1	Bortnyk, MykolaIM	2407	UKR	+91N	=30B	+18N	+8B	=2N	+4B	+7N	6.0	27.5	28.0	23.25	2607	+16.9
2	Zhou, JianchaoGM	2592	USA	+80B	=19N	+41B	+27N	=1B	+7B	+9N	6.0	25.5	27.0	22.00	2643	+4.4
3	Korley, KassaIM	2402	DEN	=40N	+92B	+36N	+60B	−7N	+20B	+8N	5.5	22.0	22.5	16.50	2414	+2.7
4	Putnam, LiamIM	2498	USA	+37B	=21N	+19B	=5N	+31B	−1N	+35N	5.0	26.0	29.5	19.00	2410	-5.5
5	Rozman, LevyIM	2324	USA	+17N	=18B	+44N	=4B	=42N	=13B	+53N	5.0	23.5	26.5	18.25	2367	+5.2
6	George, KevinIM	2309	EGY	+89N	F	+21B	=16N	+28B	=9B	+12N	5.0	22.0	22.0	17.50	2524	+33.2
7	Chasin, NicoGM	2517	USA	+32B	+11N	+73B	=23N	+3B	−2N	−1B	4.5	29.5	31.5	17.50	2451	-3.3
8	Colas, JoshuaFM	2271	USA	+87B	=24N	+29B	−1N	+44B	+10N	−3B	4.5	26.5	27.5	14.00	2299	+8.2
9	Lamaze, SimonIM	2466	FRA	+55B	−20N	+90B	+38N	+33B	=6N	−2B	4.5	24.5	25.0	12.50	2306	-10.0
10	Lenderman, AleksandrGM	2486	USA	−15N	+22N	=37B	+55B	+18N	−8B	+29N	4.5	24.0	26.5	15.75	2219	-17.8
11	Hoffman, LucCM	2130	USA	+84N	−7B	=17N	+43B	=26N	+40B	=14N	4.5	22.5	23.5	13.00	2228	+23.2
12	Barbosa, OliverGM	2405	PHI	−26B	+69N	+82B	+41N	+32B	=23N	−6B	4.5	21.0	22.0	11.50	2266	-8.6
13	Tanenbaum, ZacharyFM	2371	USA	+43B	−41N	+50B	=48N	+81B	=5N	=33B	4.5	20.5	22.0	13.25	2215	-21.8
14	Lin, Bryan EnmingIM	2374	USA	+82B	+47N	−23B	−32N	+65B	+41N	=11B	4.5	20.0	21.0	11.25	2255	-15.4
15	Gu, Hardy	1908	USA	+10B	−73N	−33B	=78N	+34B	+49N	+42N	4.5	19.5	21.0	14.75	2215	+105.2
16	Dlugy, MaximGM	2502	USA	=90N	+40B	+30N	=6B	=35N	+42B	F	4.5	18.5	18.5	14.00	2379	-6.3
17	Xu, Zhihan (samuel)CM	2006	CAN	−5B	+34N	=11B	+21N	=29B	−33N	+47B	4.0	24.0	27.0	14.50	2206	+73.6
18	Goodrich, Elliott	2107	USA	+65B	=5N	−1B	+49N	−10B	=54N	+43B	4.0	24.0	26.0	11.75	2179	+21.2
19	Rohde, MichaelGM	2209	USA	+67N	=2B	−4N	=40B	+64N	=26B	=22N	4.0	23.5	25.5	12.25	2188	-1.6
20	Brain, Logan	2128	USA	+64N	+9B	=27B	−31N	+54B	−3N	=26N	4.0	23.0	25.0	12.50	2260	+23.0
21	Zhao, KevinFM	2177	USA	+49N	=4B	−6N	−17B	=57N	+56B	+55N	4.0	22.0	24.5	11.75	2127	-13.3
22	Doddapaneni, Viyaan Krishna	1849	USA	=36N	−10B	+67B	=24N	=46B	+80N	=19B	4.0	21.0	22.5	10.75	2128	+79.5
23	Tang, AndrewGM	2548	USA	+62N	+45B	+14N	=7B	F	=12B	F	4.0	19.0	19.0	14.50	2578	+2.6
24	Fleischman, Eric	1989	USA	+93N	=8B	−60N	=22B	−75N	+57B	+65B	4.0	17.5	18.0	9.25	2006	+2.2
25	Shangin, Lev	2116	USA	=28B	F	+59N	F	+67B	+44N	=46B	4.0	14.0	14.0	10.75	2225	+24.8
26	Podavonov, Alisher	2080	USA	+12N	=60B	=31N	F	=11B	=19N	=20B	3.5	23.0	23.0	13.75	2298	+34.4
27	Huston, GusIM	2356	USA	+39N	+58B	=20N	−2B	+48N	−35B	F	3.5	22.5	22.5	11.00	2251	-6.5
28	Breskin, Nicklas	1944	USA	=25N	=52B	+62N	+58B	−6N	−29B	=37N	3.5	21.5	24.0	10.25	2098	+27.2
29	Ling, ChenxuanCM	2099	USA	+59B	F	−8N	+56B	=17N	+28N	−10B	3.5	21.5	21.5	10.50	2165	+16.2
30	Bonin, JayIM	2053	USA	+51B	=1N	−16B	−54N	+77B	−46N	+71B	3.5	21.0	22.5	9.50	2066	-0.6
31	Zhu, LinxiFM	2289	USA	+77N	F	=26B	+20B	−4N	=32N	=36B	3.5	21.0	21.0	10.75	2199	-11.8
32	Anatol, Luke Leon Robin	2121	USA	−7N	+68B	+75N	+14B	−12N	=31B	F	3.5	21.0	21.0	10.25	2290	+38.8
33	Ho, CarterCM	2204	USA	F	F	+15N	+63B	−9N	+17B	=13N	3.5	20.0	20.0	13.25	2300	+26.8
34	Bhoopathi, Rishith	1940	USA	−58N	−17B	+68N	=61B	−15N	+67B	+70N	3.5	17.5	19.5	7.25	1948	+4.0
35	Lapshun, YuryIM	2262	USA	+56B	F	+70N	F	=16B	+27N	−4B	3.5	17.5	17.5	10.25	2387	+9.7
36	Nkululeko, Nkosi	2073	USA	=22B	+86N	−3B	=66N	+79B	F	=31N	3.5	17.5	17.5	7.25	2123	+7.8
37	Yedidia, Daniel	2031	USA	−4N	+94B	=10N	+70B	F	=65N	=28B	3.5	17.0	17.0	7.00	2105	+10.0
38	Ayyappan, Santhosh	2001	USA	=66N	F	+71B	−9B	=74N	=55B	+40N	3.5	16.0	16.0	8.25	2079	+21.6
39	Ulloa Centeno, Leandro Nicolas	1945	ECU	−27B	F	−64N	=86B	+70N	+61B	+45N	3.5	14.0	14.0	8.00	2054	+31.6
40	Levin, Anthony	2010	USA	=3B	−16N	+95B	=19N	+66B	−11N	−38B	3.0	24.0	24.0	6.75	2091	+9.8
41	Aadit Bhatia	2081	IND	+61N	+13B	−2N	−12B	+83N	−14B	F	3.0	23.0	23.0	8.00	2239	+20.4
42	Muthukumar, HaariFM	2236	USA	F	=50N	+87B	+46N	=5B	−16N	−15B	3.0	21.0	21.0	8.00	2094	-19.4
43	Debmisra, Ariv	1937	USA	−13N	=64B	+57B	−11N	=45N	+83B	−18N	3.0	20.5	21.5	6.00	2014	+19.6
44	Li, Aiden LinyuanCM	2044	USA	F	+72N	−5B	+45B	−8N	−25B	+79N	3.0	20.0	20.0	6.50	2126	+23.4
45	Pressman, LeifFM	2244	USA	+94B	−23N	=54B	−44N	=43B	+69N	−39B	3.0	18.0	18.0	4.75	2003	-42.2
46	Wu, Winsley	1925	USA	F	+57N	F	−42B	=22N	+30B	=25N	3.0	17.0	17.0	10.00	2096	+44.0
47	Liang, HairanCM	2218	CAN	+85N	−14B	−83N	=64B	=61N	+59B	−17N	3.0	16.5	17.5	5.75	1931	-47.8
48	Patel, Maahir M	2121	USA	F	F	+74N	=13B	−27B	=51N	+54B	3.0	15.5	15.5	8.25	2189	+18.0
49	Lee, Rohan	1944	USA	−21B	F	+91N	−18B	+90N	−15B	+72N	3.0	15.5	15.5	3.00	2002	+18.0
50	Marzouq, Chowdhury	1954	BAN	F	=42B	−13N	−79N	+76B	=66N	+64B	3.0	15.0	15.0	6.50	2081	+34.8
51	Lu, Lucas	1883	USA	−30N	=91B	=77N	+88B	=58N	=48B	−52B	3.0	14.5	15.0	4.75	1973	+31.2
52	Resika, NathanFM	1999	USA	F	=28N	=66B	−65N	+84B	F	+51N	3.0	11.5	11.5	6.75	1976	-3.0
53	Nasta, Kiren Vivek	2200	USA	+95N	F	F	+83B	F	+71N	−5B	3.0	8.0	8.0	3.00	2189	+3.2
54	Li, Mason J	1980	USA	F	=63B	=45N	+30B	−20N	=18B	−48N	2.5	20.0	20.0	8.25	2052	+20.4
55	Schaefer, Sasha MiloCM	1946	USA	−9N	F	+84B	−10N	+78B	=38N	−21B	2.5	19.0	19.0	4.25	2067	+27.6
56	Marri, Anvith Reddy	1972	USA	−35N	=62B	+72B	−29N	F	−21N	+66B	2.5	17.5	17.5	5.25	1981	-0.6
57	Fernandez, Kenneth	1867	USA	F	−46B	−43N	+94N	=21B	−24N	+69B	2.5	16.0	16.0	4.00	1934	+9.2
58	Busygin, Stanislav	2103	USA	+34B	−27N	+76B	−28N	=51B	F	F	2.5	15.5	15.5	7.00	2032	-9.8
59	Zhang, Andrew	1969	USA	−29N	F	−25B	=69N	+82B	−47N	+68B	2.5	15.5	15.5	4.00	1999	+7.2
60	Das, AditeyaFM	2287	USA	+69B	=26N	+24B	−3N	F	F	F	2.5	15.0	15.0	7.75	2197	-7.0
61	Ulloa Centeno, Luis Manuel	1936	ECU	−41B	F	=92N	=34N	=47B	−39N	+77B	2.5	15.0	15.0	5.00	1957	+4.0
62	Miller, RachelCM	2027	JAM	−23B	=56N	−28B	F	=68N	=79N	+78B	2.5	15.0	15.0	4.50	1991	-9.2
63	DeDona, Mark	2004	USA	=74B	=54N	+78B	−33N	−71B	=86N	F	2.5	12.5	12.5	4.25	1919	-14.6
64	Jandhyala, Yegna Sairam	1897	USA	−20B	=43N	+39B	=47N	−19B	F	−50N	2.0	20.5	20.5	6.50	1940	+6.9
65	Statz, Isaac Hart	1827	USA	−18N	F	=80B	+52B	−14N	=37B	−24N	2.0	20.5	20.5	5.50	1944	+30.4
66	Peyton, Nathan	1911	USA	=38B	F	=52N	=36B	−40N	=50B	−56N	2.0	18.5	18.5	6.50	1876	-10.0
67	Sukhiashvili, AlexanderCM	2043	USA	−19B	F	−22N	+85B	−25N	−34N	+93B	2.0	17.0	17.0	1.50	1819	-68.8
68	Hinson, Miles	1972	USA	−73B	−32N	−34B	+72N	=62B	=78N	−59N	2.0	16.0	17.5	4.00	1837	-25.6
69	Li, Robert	1935	CAN	−60N	−12B	=85N	=59B	+88N	−45B	−57N	2.0	16.0	17.0	2.75	1897	-12.2
70	Armaan Chandragupta Jain	1671	IND	+96N	F	−35B	−37N	−39B	+77N	−34B	2.0	15.5	15.5	1.50	1868	+48.4
71	Yu, Vincent Zhiwen	1868	USA	F	F	−38N	+92B	+63N	−53B	−30N	2.0	13.0	13.0	3.00	1970	+18.0
72	Yu, AllysonWCM	1752	USA	F	−44B	−56N	−68B	+85N	+84N	−49B	2.0	12.5	12.5	2.00	1823	+19.6
73	Hebbar, EshaanIM	2241	USA	+68N	+15B	−7N	F	F	F	F	2.0	11.0	11.0	6.50	2257	+4.6
74	Zhao, Austin	1996	USA	=63N	F	−48B	+82N	=38B	F	F	2.0	10.0	10.0	4.00	2030	+7.6
75	Singh, Ian Avery	1841	USA	F	F	−32B	+76N	+24B	F	F	2.0	9.5	9.5	6.00	2174	+51.6
76	Wang, Connor Junda	2036	USA	F	F	−58N	−75B	−50N	+85B	+83N	2.0	9.5	9.5	2.00	1840	-51.6
77	Carey, Michael	1949	USA	−31B	−80N	=51B	+95N	−30N	−70B	−61N	1.5	16.0	16.0	1.50	1744	-36.2
78	Ma, Julian	1919	USA	F	=81B	−63N	=15B	−55N	=68B	−62N	1.5	15.5	15.5	4.00	1803	-35.2
79	Feng, Jayden	2053	USA	F	F	−81N	+50B	−36N	=62B	−44B	1.5	13.5	13.5	4.25	1894	-42.8
80	Dong, Kyle QiyuCM	2059	USA	−2N	+77B	=65N	F	F	−22B	F	1.5	13.5	13.5	2.50	1934	-31.6
81	Belenky, Nicholas	2120	USA	F	=78N	+79B	F	−13N	F	F	1.5	7.5	7.5	2.25	2114	-1.6
82	Knowles, Chase	1994	USA	−14N	+85B	−12N	−74B	−59N	F	F	1.0	14.5	14.5	1.00	1867	-19.2
83	Chovanec, AliceWCM	1866	USA	F	F	+47B	−53N	−41B	−43N	−76B	1.0	14.0	14.0	3.00	1854	-5.6
84	Shrivastava, Nivaan	1957	USA	−11B	F	−55N	+93B	−52N	−72B	F	1.0	12.5	12.5	0.50	1675	-63.4
85	Prasanna, Pranav	1798	USA	−47B	−82N	=69B	−67N	−72B	−76N	=88N	1.0	12.0	13.0	1.50	1669	-40.0
86	Yang, Lucas	1891	USA	F	−36B	F	=39N	F	=63B	F	1.0	10.0	10.0	3.00	1882	-1.6
87	Jefferson, Matheu	1951	USA	−8N	+93B	−42N	F	F	F	F	1.0	8.0	8.0	0.50	1960	-1.0
88	Boyer-Olson, Jack	1889	USA	F	F	F	−51N	−69B	=93N	=85B	1.0	6.5	6.5	0.75	1648	-50.4
89	Lee, MilesCM	2014	NZL	−6B	F	F	F	+95B	F	F	1.0	5.0	5.0	0.00	2117	+4.6
90	Meduri, Aakaash	2020	USA	=16B	F	−9N	F	−49B	F	F	0.5	12.0	12.0	2.25	1988	-5.2
91	Gutnik, Aleksandr	2049	USA	−1B	=51N	−49B	F	F	F	F	0.5	12.0	12.0	1.50	1805	-19.2
92	Aravindakshan, SahanaWIM	1954	USA	F	−3N	=61B	−71N	F	F	F	0.5	11.0	11.0	1.25	1780	-29.2
93	Li, Wan QinWCM	1748	USA	−24B	−87N	F	−84N	F	=88B	−67N	0.5	9.0	9.0	0.50	1600	-25.2
94	Wagner, Richard	1985	USA	−45N	−37N	F	−57B	F	F	F	0.0	9.0	9.0	0.00	1247	-25.6
95	Stancil, Kimani	1924	USA	−53B	F	−40N	−77B	−89N	F	F	0.0	8.5	8.5	0.00	1243	-28.0
96	Rosenberg, Evan S	2024	USA	−70B	F	F	F	F	F	F	0.0	2.0	2.0	0.00	870	-17.8

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Gu, HardyUSA
+105.2
4.5 pts · #12
2Doddapaneni, Viyaan KrishnaUSA
+79.5
4.0 pts · #19
3Xu, Zhihan (samuel)CMCAN
+73.6
4.0 pts · #23

Top rating losers

1Sukhiashvili, AlexanderCMUSA
-68.8
2.0 pts · #67
2Shrivastava, NivaanUSA
-63.4
1.0 pts · #86
3Wang, Connor JundaUSA
-51.6
2.0 pts · #74

Biggest upsets

R1+578 Elo gap
Gu, Hardy1908 beat GMLenderman, Aleksandr2486
R1+353 Elo gap
Armaan Chandragupta Jain1671 beat Rosenberg, Evan S2024
R3+352 Elo gap
WCMChovanec, Alice1866 beat CMLiang, Hairan2218