CChessStats

2025 August-September Marshall Thursday Open Round 3-6

Open SwissStandard

15 players participated in this 4-round tournament, held from 28 Aug 2025 to 18 Sept 2025 in New York, NY, United States. 2 federations represented. Top 10 Elo average was 1819, and top seed was Nkosi Nkululeko (🇺🇸 USA, 2018).

Nkosi Nkululeko (🇺🇸 USA, 2018) won with 3.0/4, ahead of Luis Manuel Ulloa Centeno (3.0) and George Berg (2.5). Nkululeko shared the lead from round 1, winning on tie-break.

The biggest upset came in round 4: Luis Manuel Ulloa Centeno (1768) beat Leandro Nicolas Ulloa Centeno (1921), a +153-point gap.

Location
🇺🇸New York, NY, United States
Dates
28 Aug 2025 → 18 Sept 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 4 rounds
Top seed
🇺🇸Nkosi Nkululeko2018
Avg top 10
1,819
Participants
15
Federations · 2 represented
🇺🇸United States of America×12
🇪🇨Ecuador×2
Top 3

How it unfolded

Top 6 · 4 rounds

Tight race until R2; 2 players tied at 3.0/4, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 2 at the finish.

Co-leaders
4
1
1
2
1234R1R2R3R4
R2–R4 · LEAD HELD

Nkosi Nkululeko held the sole lead from R2 through R4 without losing it.

R4 · TIEBREAK CLUSTER

2 players finish on 3.0/4. Nkululeko takes the title on Buchholz Cut1 (4.5).

WIN STREAKS · 2 top finishers

Nkosi Nkululeko 3 wins (R1–R3)Luis Manuel Ulloa Centeno 3 wins (R2–R4)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Nkosi Nkululeko*
1
2Luis Manuel Ulloa Centeno*
3Aadit Mordani*
4George Berg
0
*

Grille américaine

#PlayerEloFedR1R2R3R4PtsBu C1BuSBPerfΔ
1Nkululeko, Nkosi2018USA+8N+12B+3NF3.04.54.54.502726+22.8
2Ulloa Centeno, Luis Manuel1768ECUF+13N+7B+12N3.02.02.02.002601+43.2
3Berg, George1848USA=11N+5B1B+10N2.56.07.03.501842-0.4
4Mordani, Aadit1788USAF+6B+13B=7N2.53.53.52.751857+6.4
5Silverman, Alden Jay0USA+6N3N+10BF2.05.55.53.0017400.0
6Shenk, David1645USA5B4N+15N+14N2.04.54.50.001801+24.8
7Beatty, Robert1681USA+13B8B2N=4B1.57.07.01.251583-7.2
8Gutnik, Aleksandr2010USA1B+7N=12NF1.55.05.01.751873-9.6
9Segich, Joseph1763USA+14B=11BFF1.51.01.00.502532+18.4
10McMichael, Alan1665USAF+15B5N3B1.04.54.50.001677+0.6
11Pawar, Avin A0USA=3B=9NFF1.04.04.02.0018070.0
12Ulloa Centeno, Leandro Nicolas1921ECUF1N=8B2B0.57.57.50.751659-38.0
13FIDE 3090303307N2B4NF0.07.07.00.009470.0
14Guller, Dmitriy1731USA9NFF6B0.03.53.50.00905-43.2
15Jennings, Ken1505USAF10N6BF0.03.03.00.00855-12.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets