2025 August-September Marshall Thursday Open Round 3-6
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.
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How it unfolded
Top 6 · 4 roundsTight 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.
Nkosi Nkululeko held the sole lead from R2 through R4 without losing it.
2 players finish on 3.0/4. Nkululeko takes the title on Buchholz Cut1 (4.5).
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| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Nkosi Nkululeko | * | — | — | 1 |
| 2Luis Manuel Ulloa Centeno | — | * | — | — |
| 3Aadit Mordani | — | — | * | — |
| 4George Berg | 0 | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Nkululeko, Nkosi | 2018 | USA | +8N | +12B | +3N | F | 3.0 | 4.5 | 4.5 | 4.50 | 2726 | +22.8 |
| 2 | Ulloa Centeno, Luis Manuel | 1768 | ECU | F | +13N | +7B | +12N | 3.0 | 2.0 | 2.0 | 2.00 | 2601 | +43.2 |
| 3 | Berg, George | 1848 | USA | =11N | +5B | −1B | +10N | 2.5 | 6.0 | 7.0 | 3.50 | 1842 | -0.4 |
| 4 | Mordani, Aadit | 1788 | USA | F | +6B | +13B | =7N | 2.5 | 3.5 | 3.5 | 2.75 | 1857 | +6.4 |
| 5 | Silverman, Alden Jay | 0 | USA | +6N | −3N | +10B | F | 2.0 | 5.5 | 5.5 | 3.00 | 1740 | 0.0 |
| 6 | Shenk, David | 1645 | USA | −5B | −4N | +15N | +14N | 2.0 | 4.5 | 4.5 | 0.00 | 1801 | +24.8 |
| 7 | Beatty, Robert | 1681 | USA | +13B | −8B | −2N | =4B | 1.5 | 7.0 | 7.0 | 1.25 | 1583 | -7.2 |
| 8 | Gutnik, Aleksandr | 2010 | USA | −1B | +7N | =12N | F | 1.5 | 5.0 | 5.0 | 1.75 | 1873 | -9.6 |
| 9 | Segich, Joseph | 1763 | USA | +14B | =11B | F | F | 1.5 | 1.0 | 1.0 | 0.50 | 2532 | +18.4 |
| 10 | McMichael, Alan | 1665 | USA | F | +15B | −5N | −3B | 1.0 | 4.5 | 4.5 | 0.00 | 1677 | +0.6 |
| 11 | Pawar, Avin A | 0 | USA | =3B | =9N | F | F | 1.0 | 4.0 | 4.0 | 2.00 | 1807 | 0.0 |
| 12 | Ulloa Centeno, Leandro Nicolas | 1921 | ECU | F | −1N | =8B | −2B | 0.5 | 7.5 | 7.5 | 0.75 | 1659 | -38.0 |
| 13 | FIDE 30903033 | 0 | — | −7N | −2B | −4N | F | 0.0 | 7.0 | 7.0 | 0.00 | 947 | 0.0 |
| 14 | Guller, Dmitriy | 1731 | USA | −9N | F | F | −6B | 0.0 | 3.5 | 3.5 | 0.00 | 905 | -43.2 |
| 15 | Jennings, Ken | 1505 | USA | F | −10N | −6B | F | 0.0 | 3.0 | 3.0 | 0.00 | 855 | -12.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Ulloa Centeno, Luis ManuelECU+43.23.0 pts · #4
- 2Shenk, DavidUSA+24.82.0 pts · #2
- 3Nkululeko, NkosiUSA+22.83.0 pts · #1
- 1Guller, DmitriyUSA-43.20.0 pts · #14
- 2Ulloa Centeno, Leandro NicolasECU-38.00.5 pts · #11
- 3Jennings, KenUSA-12.00.0 pts · #13
- R4+153 Elo gap