CChessStats

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
Top seed
Avg top 10
210
Participants
14
Federations · 2 represented
🇺🇸United States of America×3
🇷🇺Russia×1
Top 3

How it unfolded

Top 6 · 5 rounds

Tight race until R5; 2 players tied at 4.0/5, decided on Buchholz.

Co-leaders
12
6
1
1
3
1.52.545R1R2R3R4R5Vigil takes lead
44Dabaeva3.5333— ex-leaders:led R3, #11
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

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1FIDE 309768980+?B+5N+?B?N+4B4.06.06.06.008840.0
2FIDE 399924462100+?N+11BF+10N+?B4.04.04.04.0017040.0
3Dabaeva, Nadezhda Vad0RUS+?B?N+?B=?N+10B3.52.02.02.0014630.0
4FIDE 399924380=?N=?B+9N+11B1N3.09.09.05.0017740.0
5FIDE 309946160+?N1B+?N+6B?N3.07.07.03.008270.0
6FIDE 399924890+?B+?N10B5N+?B3.05.05.00.0014420.0
7Rao, Srinivas0USA?B=?N+13N+?B=8N3.04.54.53.008840.0
8FIDE 399925000+?B+?N=?B?N=7B3.03.03.01.5016840.0
9FIDE 399172230?B+?N4B+?N+?B3.03.03.00.0014420.0
10FIDE 309884540F+?B+6N2B3N2.010.510.53.0017940.0
11Abron, Michael0USA+?B2N+?B4NF2.07.07.00.0014420.0
12Wong, Vincent H0USA?B?N+?B+?NF2.00.00.00.008270.0
13FIDE 309547970+?B?N7B=?N?N1.53.03.00.0015450.0
14FIDE 399925190?B+?N?B?N?B1.00.00.00.007250.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers