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
πŸ‡ΊπŸ‡ΈIowa City, IA, United States
Dates
06 Sept 2025 β†’ 07 Sept 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss Β· 5 rounds
Top seed
Avg top 10
210
Participants
14
Federations Β· 2 represented
πŸ‡ΊπŸ‡ΈUnited States of AmericaΓ—3
πŸ‡·πŸ‡ΊRussiaΓ—1
Top 3

How it unfolded

Top 6 Β· 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
44Dabaeva3.5333β€” ex-leaders:led R3, #11
R4 Β· LEADER CHANGE07 Sept

Jacob Vigil takes the sole lead (3.5/4).

R5 Β· TIEBREAK CLUSTER

2 players finish on 4.0/5. takes the title on Buchholz Cut1 (6.0).

WIN STREAKS Β· 2 top finishers

FIDE 39992446 4 wins (R1–R5)FIDE 30976898 3 wins (R1–R3)

Grille amΓ©ricaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΞ”
1FIDE 309768980β€”+?B+5N+?Bβˆ’?N+4B4.06.06.06.008840.0
2FIDE 399924462100β€”+?N+11BF+10N+?B4.04.04.04.0017040.0
3Dabaeva, Nadezhda Vad0RUS+?Bβˆ’?N+?B=?N+10B3.52.02.02.0014630.0
4FIDE 399924380β€”=?N=?B+9N+11Bβˆ’1N3.09.09.05.0017740.0
5FIDE 309946160β€”+?Nβˆ’1B+?N+6Bβˆ’?N3.07.07.03.008270.0
6FIDE 399924890β€”+?B+?Nβˆ’10Bβˆ’5N+?B3.05.05.00.0014420.0
7Rao, Srinivas0USAβˆ’?B=?N+13N+?B=8N3.04.54.53.008840.0
8FIDE 399925000β€”+?B+?N=?Bβˆ’?N=7B3.03.03.01.5016840.0
9FIDE 399172230β€”βˆ’?B+?Nβˆ’4B+?N+?B3.03.03.00.0014420.0
10FIDE 309884540β€”F+?B+6Nβˆ’2Bβˆ’3N2.010.510.53.0017940.0
11Abron, Michael0USA+?Bβˆ’2N+?Bβˆ’4NF2.07.07.00.0014420.0
12Wong, Vincent H0USAβˆ’?Bβˆ’?N+?B+?NF2.00.00.00.008270.0
13FIDE 309547970β€”+?Bβˆ’?Nβˆ’7B=?Nβˆ’?N1.53.03.00.0015450.0
14FIDE 399925190β€”βˆ’?B+?Nβˆ’?Bβˆ’?Nβˆ’?B1.00.00.00.007250.0

Key insights

Biggest movers and upsets β€” the story behind the numbers.

Top rating gainers
Top rating losers
70th Iowa Open Reserve Championship (2025) β€” Iowa City, IA, United States | Chess Tournament Results | ChessStats