CChessStats

2025 June-July Marshall Mondays Round 1-4

Open SwissStandard

37 players participated in this 4-round tournament, held from 02 Jun 2025 to 23 Jun 2025 in New York, NY, United States. 7 titled players from 4 federations. Top 10 Elo average was 2094, and top seed was Justin Sarkar (🇺🇸 USA, IM, 2284).

Ethan Kozower (🇺🇸 USA, 1972) won with 3.5/4, ahead of Aleksandr Gutnik (3.0) and Nkosi Nkululeko (3.0). Kozower clinched sole first place in the final round.

The biggest upset came in round 2: Ethan Kozower (1972) beat Pedro Espinosa (CM, 2253), a +281-point gap.

Location
🇺🇸New York, NY, United States
Dates
02 Jun 2025 → 23 Jun 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 4 rounds
Top seed
🇺🇸IMJustin Sarkar2284
Avg top 10
2,094
Participants
37
Titled players · 7
IM×2
FM×1
CM×1
WFM×1
WCM×2
Federations · 4 represented
🇺🇸United States of America×33
🇹🇷Turkiye×2
🇨🇦Canada×1
🇨🇷Costa Rica×1
Top 3

How it unfolded

Top 6 · 4 rounds

Ethan Kozower led from R4; +0.5-point edge over the runner-up.

Co-leaders
11
5
1
1
1234R1R2R3R4Kozower takes lead
R4 · LEADER CHANGE23 Jun

Ethan Kozower takes the sole lead (3.5/4).

R3 · HEAD-TO-HEAD · WINNER VS 2ND

Ethan Kozower drew with Aleksandr Gutnik (Black).

R1–R3 · WIN STREAK

Nkosi Nkululeko won 3 in a row (R1–R3).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Ethan Kozower*
½
2Aleksandr Gutnik
½
*
½
3Nkosi Nkululeko*
4Evan S Rosenberg
½
*

Grille américaine

#PlayerEloFedR1R2R3R4PtsBu C1BuSBPerfΔ
1Kozower, Ethan1972USA+28N+18B=2N+9B3.56.06.55.002308+30.6
2Gutnik, Aleksandr2042USA+32B+8N=1B=4N3.08.08.05.002126+8.2
3Nkululeko, Nkosi1966USA+29B+20N+10BF3.03.53.53.502633+19.4
4Rosenberg, Evan S1989USA+15B+24NF=2B2.55.55.54.002195+14.6
5Resika, NathanFM1958USA8B=15N+29N+16B2.55.05.52.751951-1.0
6Levin, Anthony1989USA=19N23B+28N+15B2.53.54.02.501874-11.0
7Tse, WhitneyWCM1983USAF=19B+33N+22B2.52.02.01.502095+15.6
8Rojas Cisneros, Kevin1927CRC+5N2B11N+33B2.07.57.52.501920-0.6
9Breskin, Nicklas1949USA+13BF+21B1N2.06.56.53.002092+22.8
10Raitzin, Misha1896USA+17B+30N3NF2.05.05.02.002133+38.0
11Blank, Moshe1951USA20B+32N+8B12N2.05.05.02.001950-1.0
12Kung, Thomas2231USAFF+16N+11B2.03.53.53.502712+5.2
13Bonin, JayIM2102USA9N+34BF+25N2.03.03.01.002027-2.5
14Golosovker, Alexander1942USA18N+36BF+21N2.02.02.01.002037+14.8
15Berg, George1817USA4N=5B+35B6N1.57.57.51.251825+0.2
16Colwell, Andrew1872USA=30B+35N12B5N1.55.05.00.251878-1.4
17Marshall, AbbyWFM2098USA10N=28B+31NF1.53.03.00.751764-22.0
18Espinosa, PedroCM2253USA+14B1NFF1.05.55.52.001955-14.0
19Li, Robert1798CAN=6B=7NFF1.05.05.02.501986+9.8
20Almoteri, Yasser1796USA+11N3BFF1.05.05.02.001959+17.2
21Lu, Dazhen1829USAF+31B9N14B1.04.54.50.501721-16.8
22DeDona, Mark1938USAF+26BF7N1.03.53.51.001946+0.4
23Tanaka, Takki1858USAF+6NFF1.02.52.52.502789+27.2
24Towsen, John1908USA+36N4BFF1.02.52.50.001823-4.0
25Zhao, Austin1818USAFF+37N13B1.02.02.00.001931+10.4
26Timmerman, David1908USAF22NF+37B1.01.01.00.001849-3.2
27Sarkar, JustinIM2284USA+34NFFF1.00.00.00.002740+1.2
28Li, Wan QinWCM1643USA1B=17N6BF0.57.57.50.751728+7.6
29Hrop, Stephen1807USA3NF5B=31N0.56.06.00.251585-16.0
30Sazci, Bilgen1960TUR=16N10BFF0.53.53.50.751691-14.2
31Yuen, Daisy1651USAF21N17B=29B0.53.03.00.251622-5.6
32Kennedy, John1844USA2N11BFF0.05.05.00.001197-23.6
33Wong, Hudson1729USAFF7B8N0.04.54.50.001155-17.2
34Peyton, Nathan1941USA27B13NFF0.03.03.00.001393-16.4
35Davar, Ben1712USAF16B15NF0.03.03.00.001044-26.0
36Sazci, Gensay1656TUR24B14NFF0.03.03.00.001123-14.0
37Paas, Leo1759USAFF25B26N0.02.02.00.001063-28.8

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets