14th Annual Chesapeake Open - U2200
Open SwissStandard
11 players participated in this 5-round tournament, held from 26 Sept 2025 to 28 Sept 2025 in Rockville, MD, United States. 3 federations represented. Top 10 Elo average was 1901, and top seed was Mardon Yakubov (🇺🇿 UZB, 2017).
Svetoslav Fedorov (🇷🇺 RUS, 1989) won with 4.0/5, ahead of Mardon Yakubov (2.0) and Milo Su (2.0). Fedorov led wire-to-wire.
Location
🇺🇸Rockville, MD, United States
Dates
26 Sept 2025 → 28 Sept 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 5 rounds
Federations · 3 represented
🇺🇸United States of America×9
🇺🇿Uzbekistan×1
🇷🇺Russia×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 5 roundsSvetoslav Fedorov led from R1; +2.0-point edge over the runner-up.
Co-leaders
1
1
1
1
1
R1–R5 · LEAD HELD
Svetoslav Fedorov never relinquished the lead after R1; final gap +2.0 over the runner-up.
R3 · HEAD-TO-HEAD · WINNER VS 2ND
Svetoslav Fedorov drew with Mardon Yakubov (White).
R1–R5 · UNBEATEN
Svetoslav Fedorov went unbeaten across 5 games (R1–R5).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Svetoslav Fedorov | * | ½ | — | — |
| 2Mardon Yakubov | ½ | * | — | ½ |
| 3Milo Su | — | — | * | ½ |
| 4Alen K Abhilash | — | ½ | ½ | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Fedorov, Svetoslav | 1989 | RUS | +11B | +5N | =2B | +7N | =6B | 4.0 | 6.0 | 6.0 | 4.25 | 2123 | +33.6 |
| 2 | Yakubov, Mardon | 2017 | UZB | F | F | =1N | +9B | =4N | 2.0 | 7.0 | 7.0 | 4.00 | 2022 | +0.6 |
| 3 | Su, Milo | 1864 | USA | F | =4N | −8B | =5N | +7B | 2.0 | 5.5 | 5.5 | 2.75 | 1862 | 0.0 |
| 4 | Abhilash, Alen K | 1794 | USA | F | =3B | −6N | +11B | =2B | 2.0 | 5.5 | 5.5 | 2.00 | 1885 | +18.8 |
| 5 | Zhou, Alexander Zheng | 1775 | USA | F | −1B | −7N | =3B | +11N | 1.5 | 7.0 | 7.0 | 1.00 | 1800 | +3.2 |
| 6 | Shiman, Andrew Lewis | 1927 | USA | F | F | +4B | F | =1N | 1.5 | 6.0 | 6.0 | 4.00 | 2085 | +8.2 |
| 7 | Treger, Yefim | 1964 | USA | F | F | +5B | −1B | −3N | 1.0 | 7.5 | 7.5 | 1.50 | 1750 | -17.2 |
| 8 | Aayansh Pramanik | 1915 | USA | F | F | +3N | F | F | 1.0 | 2.0 | 2.0 | 2.00 | 2661 | +17.2 |
| 9 | Ilnytsky, Alexander | 1908 | USA | F | F | +11N | −2N | F | 1.0 | 2.0 | 2.0 | 0.00 | 1875 | -1.6 |
| 10 | Doddapaneni, Viyaan Krishna | 1858 | USA | F | +11N | F | F | F | 1.0 | 0.0 | 0.0 | 0.00 | 2533 | +8.6 |
| 11 | Karell, Leif | 1734 | USA | −1N | −10B | −9B | −4N | −5B | 0.0 | 8.5 | 9.5 | 0.00 | 1065 | -33.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Fedorov, SvetoslavRUS+33.64.0 pts · #1
- 2Abhilash, Alen KUSA+18.82.0 pts · #4
- 3Aayansh PramanikUSA+17.21.0 pts · #10
Top rating losers
- 1Karell, LeifUSA-33.00.0 pts · #11
- 2Treger, YefimUSA-17.21.0 pts · #9
- 3Ilnytsky, AlexanderUSA-1.61.0 pts · #7