70th Iowa Open Reserve Championship
Open SwissStandard
14 players participated in this 5-round tournament, held from 06 Sept 2025 to 07 Sept 2025 in Iowa City, IA, United States. 2 federations represented. Top 10 Elo average was 210.
Location
🇺🇸Iowa City, IA, United States
Dates
06 Sept 2025 → 07 Sept 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 5 rounds
Federations · 2 represented
🇺🇸United States of America×3
🇷🇺Russia×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 5 roundsTight race until R5; 2 players tied at 4.0/5, decided on Buchholz.
Co-leaders
12
6
1
1
3
R4 · LEADER CHANGE07 Sept
Jacob Vigil takes the sole lead (3.5/4).
R5 · TIEBREAK CLUSTER
2 players finish on 4.0/5. takes the title on Buchholz Cut1 (6.0).
WIN STREAKS · 2 top finishers
FIDE 39992446 4 wins (R1–R5)FIDE 30976898 3 wins (R1–R3)
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | FIDE 30976898 | 0 | — | +?B | +5N | +?B | −?N | +4B | 4.0 | 6.0 | 6.0 | 6.00 | 884 | 0.0 |
| 2 | FIDE 39992446 | 2100 | — | +?N | +11B | F | +10N | +?B | 4.0 | 4.0 | 4.0 | 4.00 | 1704 | 0.0 |
| 3 | Dabaeva, Nadezhda Vad | 0 | RUS | +?B | −?N | +?B | =?N | +10B | 3.5 | 2.0 | 2.0 | 2.00 | 1463 | 0.0 |
| 4 | FIDE 39992438 | 0 | — | =?N | =?B | +9N | +11B | −1N | 3.0 | 9.0 | 9.0 | 5.00 | 1774 | 0.0 |
| 5 | FIDE 30994616 | 0 | — | +?N | −1B | +?N | +6B | −?N | 3.0 | 7.0 | 7.0 | 3.00 | 827 | 0.0 |
| 6 | FIDE 39992489 | 0 | — | +?B | +?N | −10B | −5N | +?B | 3.0 | 5.0 | 5.0 | 0.00 | 1442 | 0.0 |
| 7 | Rao, Srinivas | 0 | USA | −?B | =?N | +13N | +?B | =8N | 3.0 | 4.5 | 4.5 | 3.00 | 884 | 0.0 |
| 8 | FIDE 39992500 | 0 | — | +?B | +?N | =?B | −?N | =7B | 3.0 | 3.0 | 3.0 | 1.50 | 1684 | 0.0 |
| 9 | FIDE 39917223 | 0 | — | −?B | +?N | −4B | +?N | +?B | 3.0 | 3.0 | 3.0 | 0.00 | 1442 | 0.0 |
| 10 | FIDE 30988454 | 0 | — | F | +?B | +6N | −2B | −3N | 2.0 | 10.5 | 10.5 | 3.00 | 1794 | 0.0 |
| 11 | Abron, Michael | 0 | USA | +?B | −2N | +?B | −4N | F | 2.0 | 7.0 | 7.0 | 0.00 | 1442 | 0.0 |
| 12 | Wong, Vincent H | 0 | USA | −?B | −?N | +?B | +?N | F | 2.0 | 0.0 | 0.0 | 0.00 | 827 | 0.0 |
| 13 | FIDE 30954797 | 0 | — | +?B | −?N | −7B | =?N | −?N | 1.5 | 3.0 | 3.0 | 0.00 | 1545 | 0.0 |
| 14 | FIDE 39992519 | 0 | — | −?B | +?N | −?B | −?N | −?B | 1.0 | 0.0 | 0.0 | 0.00 | 725 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1FIDE 309547970.01.5 pts · #1
- 2Rao, SrinivasUSA0.03.0 pts · #10
- 3Abron, MichaelUSA0.02.0 pts · #3
Top rating losers
- 1FIDE 309547970.01.5 pts · #1
- 2Rao, SrinivasUSA0.03.0 pts · #10
- 3Abron, MichaelUSA0.02.0 pts · #3