2025 South Dakota Governor's Cup
Open SwissStandard
31 players participated in this 5-round tournament, held from 19 Sept 2025 to 21 Sept 2025 in Sioux Falls, SD, United States. 4 titled players from 3 federations. Top 10 Elo average was 2112, and top seed was Isik Can (🇹🇷 TUR, GM, 2512).
Isik Can (🇹🇷 TUR, GM, 2512) won with 4.5/5, ahead of Anjaneya Sripathy Rao (4.0) and Okechukwu Iwu (4.0). Can won solo starting round 4.
The biggest upset came in round 3: Daniel Marmer (1655) beat Luke O Hengen (1896), a +241-point gap.
Location
🇺🇸Sioux Falls, SD, United States
Dates
19 Sept 2025 → 21 Sept 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 5 rounds
Titled players · 4
GM×1
IM×1
FM×1
CM×1
Federations · 3 represented
🇺🇸United States of America×29
🇪🇸Spain×1
🇹🇷Turkiye×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 5 roundsGM Isik Can led from R4; +0.5-point edge over the runner-up.
Co-leaders
9
4
2
1
1
R4–R5 · LEAD HELD
GM Isik Can held the sole lead from R4 through R5 without losing it.
WIN STREAKS · 2 top finishers
GM Isik Can 4 wins (R1–R4)CM Anjaneya Sripathy Rao 3 wins (R1–R3)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1GMIsik Can | * | — | 1 | 1 |
| 2Okechukwu Iwu | — | * | — | — |
| 3CMAnjaneya Sripathy Rao | 0 | — | * | — |
| 4FMLeonard Johnson | 0 | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Can, IsikGM | 2512 | TUR | +16N | +5B | +4N | +2B | =10N | 4.5 | 13.5 | 15.5 | 14.25 | 2558 | +2.6 |
| 2 | Rao, Anjaneya SripathyCM | 2147 | USA | +21B | +17N | +25B | −1N | +20B | 4.0 | 10.5 | 11.5 | 7.00 | 2292 | +35.2 |
| 3 | Iwu, Okechukwu | 1955 | USA | +26N | +9B | −10B | +25N | +8N | 4.0 | 9.0 | 10.0 | 7.50 | 2144 | +21.8 |
| 4 | Johnson, LeonardFM | 2147 | USA | +8N | +7B | −1B | =11N | +9N | 3.5 | 13.0 | 15.5 | 9.75 | 2099 | -1.6 |
| 5 | Montgomery, Eamon | 1994 | ESP | +30N | −1N | +12B | =9B | +7N | 3.5 | 12.5 | 12.5 | 6.75 | 2066 | +5.8 |
| 6 | Jorenby, Josiah | 1907 | USA | =15B | +18N | +24B | −10N | +11B | 3.5 | 9.0 | 10.5 | 7.00 | 2031 | +22.0 |
| 7 | Zagar, Dane | 1950 | USA | +31B | −4N | +13B | +15N | −5B | 3.0 | 11.5 | 11.5 | 4.50 | 1844 | -8.6 |
| 8 | Marmer, Daniel | 1655 | USA | −4B | +31N | +17B | +23N | −3B | 3.0 | 11.0 | 11.0 | 3.50 | 1936 | +26.2 |
| 9 | Motley, Christopher | 1793 | USA | +13B | −3N | +28B | =5N | −4B | 2.5 | 13.5 | 14.5 | 5.25 | 1759 | -2.8 |
| 10 | Narayanan, SamrugIM | 2440 | USA | F | F | +3N | +6B | =1B | 2.5 | 12.0 | 12.0 | 9.75 | 2470 | +2.6 |
| 11 | Zhou, Ryan | 1713 | USA | =18B | +23N | =15B | =4B | −6N | 2.5 | 11.0 | 12.5 | 5.25 | 1906 | +36.8 |
| 12 | Venkat, Varun | 1749 | USA | −24N | +16B | −5N | =19B | +23B | 2.5 | 9.0 | 10.5 | 4.50 | 1916 | +34.8 |
| 13 | Oetker, Dylan | 0 | USA | −9N | +26B | −7N | +30B | =16N | 2.5 | 8.5 | 8.5 | 2.00 | 1770 | 0.0 |
| 14 | Seetharaman, Rakshith | 1786 | USA | F | F | +26N | +29B | =24N | 2.5 | 3.5 | 3.5 | 2.75 | 2109 | +47.6 |
| 15 | Mehlhaff, Samuel | 1767 | USA | =6N | +19B | =11N | −7B | −25B | 2.0 | 11.0 | 12.0 | 5.00 | 1677 | -18.4 |
| 16 | Murray, William | 1874 | USA | −1B | −12N | +31B | =27N | =13B | 2.0 | 10.5 | 10.5 | 1.75 | 1211 | -15.0 |
| 17 | Hengen, Luke O | 1896 | USA | +27N | −2B | −8N | +28B | −22N | 2.0 | 10.0 | 11.0 | 2.00 | 1044 | -68.4 |
| 18 | Pikus, Jacob | 0 | USA | =11N | −6B | =19N | −22B | +30N | 2.0 | 10.0 | 10.0 | 2.25 | 1510 | 0.0 |
| 19 | Knecht, Devin | 0 | USA | =23B | −15N | =18B | =12N | =27B | 2.0 | 8.0 | 9.0 | 3.50 | 1659 | 0.0 |
| 20 | Sailer, Mike | 2108 | USA | F | F | +27B | +21N | −2N | 2.0 | 7.0 | 7.0 | 3.00 | 1992 | -5.6 |
| 21 | Jain, Rishab | 1836 | USA | −2N | +30B | +29N | −20B | F | 2.0 | 7.0 | 7.0 | 1.00 | 1874 | +2.4 |
| 22 | Parthasarathy, Siddharth | 1730 | USA | F | F | −23B | +18N | +17B | 2.0 | 5.5 | 5.5 | 4.00 | 1867 | +14.8 |
| 23 | Wasserman, Eddie | 1838 | USA | =19N | −11B | +22N | −8B | −12N | 1.5 | 10.0 | 12.0 | 3.00 | 1519 | -33.6 |
| 24 | Truelson, Nels | 1956 | USA | +12B | F | −6N | F | =14B | 1.5 | 8.5 | 8.5 | 3.75 | 1814 | -11.2 |
| 25 | Singamsetty, Ajay Eshwar | 1908 | USA | F | F | −2N | −3B | +15N | 1.0 | 10.0 | 10.0 | 2.00 | 1831 | -12.8 |
| 26 | McMillan, Felix | 1809 | USA | −3B | −13N | −14B | +31N | −28N | 1.0 | 10.0 | 10.0 | 0.00 | 1071 | -33.2 |
| 27 | Montemayor, Isaak | 0 | USA | −17B | F | −20N | =16B | =19N | 1.0 | 8.0 | 8.0 | 2.00 | 1686 | 0.0 |
| 28 | Brown, Joshua K | 0 | USA | F | F | −9N | −17N | +26B | 1.0 | 5.5 | 5.5 | 1.00 | 1708 | 0.0 |
| 29 | Sama, Advaith Reddy | 1743 | USA | F | F | −21B | −14N | +31B | 1.0 | 4.5 | 4.5 | 0.00 | 1011 | -32.4 |
| 30 | Likens, Terry D | 0 | USA | −5B | −21N | F | −13N | −18B | 0.0 | 10.0 | 10.0 | 0.00 | 1115 | 0.0 |
| 31 | Wolf, William L | 0 | USA | −7N | −8B | −16N | −26B | −29N | 0.0 | 9.0 | 10.0 | 0.00 | 1006 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Seetharaman, RakshithUSA+47.62.5 pts · #7
- 2Zhou, RyanUSA+36.82.5 pts · #10
- 3Rao, Anjaneya SripathyCMUSA+35.24.0 pts · #3
Top rating losers
- 1Hengen, Luke OUSA-68.42.0 pts · #29
- 2Wasserman, EddieUSA-33.61.5 pts · #21
- 3McMillan, FelixUSA-33.21.0 pts · #28
Biggest upsets
- R3+241 Elo gap
- R4+183 Elo gap
- R5+166 Elo gap