CChessStats

2025 Chicago Fall Open - U2100

Open SwissStandard

33 players participated in this 5-round tournament, held from 31 Oct 2025 to 02 Nov 2025 in Schaumburg, IL, United States. 2 titled players from 4 federations. Top 10 Elo average was 1903, and top seed was Glen Gratz (🇺🇸 USA, CM, 2005).

Avanish Ram Amarnath (🇮🇳 IND, 1421) won with 4.5/5, ahead of Daniel Lee (3.5) and Mark P Hamilton (3.0). Amarnath broke clear in the final round.

The biggest upset came in round 3: Avanish Ram Amarnath (1421) beat Glen Gratz (CM, 2005), a +584-point gap.

Location
🇺🇸Schaumburg, IL, United States
Dates
31 Oct 2025 → 02 Nov 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 5 rounds
Top seed
🇺🇸CMGlen Gratz2005
Avg top 10
1,903
Participants
33
Titled players · 2
CM×2
Federations · 4 represented
🇺🇸United States of America×29
🇵🇾Paraguay×1
🇺🇬Uganda×1
🇮🇳India×1
Top 3

How it unfolded

Top 6 · 5 rounds

Avanish Ram Amarnath led from R5; +1.0-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.

Co-leaders
5
2
2
2
1
1.52.545R1R2R3R4R5
R5–R5 · LEAD HELD

Avanish Ram Amarnath never relinquished the lead after R5; final gap +1.0 over the runner-up.

R4 · HEAD-TO-HEAD · WINNER VS 2ND

Avanish Ram Amarnath drew with Daniel Lee (White).

WIN STREAKS · 3 top finishers

Avanish Ram Amarnath 3 wins (R1–R3)Daniel Lee 3 wins (R1–R3)Jimi Akintonde 3 wins (R3–R5)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Avanish Ram Amarnath*
½
2Daniel Lee
½
*
0
3Jimi Akintonde
1
*
4Bosko Borjanovic*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Avanish Ram Amarnath1421IND+3B+14N+28N=2B+17N4.510.511.09.252178+163.2
2Lee, Daniel1920USA+22B+8N+21B=1N6B3.511.012.06.751774-11.6
3Hamilton, Mark P1781USA1NF+13N+9B+23N3.010.010.05.501836+5.8
4Pennington-Cross, Nicholas Lee1750USA8B+29N7B+22N+13B3.08.59.03.501645-23.2
5Borjanovic, Bosko0USA=13N=9B+11B21N+28B3.08.08.55.2519190.0
6Akintonde, Jimi1927USAFF+15N+23B+2N3.06.56.56.502697+27.4
7Wang, Gaofei1632USAFF+4N+14N+21B3.06.06.06.002605+58.4
8Praveen, Aayush1578USA+4N2B+20B=28N16B2.510.010.54.751864+66.4
9Sax, Robert1746USA=29B=5N+25B3N=18N2.59.09.53.751583-13.0
10Tang, Emily Jiaying1716USAF+31N16B+19B=12N2.57.07.03.751860+30.4
11Rajkumar, Sachit Srinivas1886USAF=24B5N+30N+25B2.55.55.52.001782-6.8
12Hanninen, Carter James1681USAFF+33B+15B=10B2.54.54.53.252028+52.4
13Kota, Arjun0USA=5B=20N3B+29N4N2.010.511.02.7516670.0
14Murray, William1859USA+26N1B+24N7BF2.09.59.52.001607-24.0
15Nudo, Zachary W1804USA+18B=30N6B12N=20B2.09.09.53.001632-22.0
16Chenault, Robert1874USAFF+10N17B+8N2.07.07.05.001886+4.0
17Ntende, Edgar1989UGAFF+30B+16N1B2.07.07.02.501809-10.0
18Davenport, Alan Lee1658USA15N=26B+32NF=9B2.05.55.51.751691+7.2
19Ramkumar, Gautham1520USAFF+29B10N+30B2.03.53.51.001742+3.2
20Craigmile, Charles1800USAF=13B8N=27B=15N1.57.57.52.501601-15.6
21FIDE 20322440FF2N+5B7N1.09.59.53.009740.0
22Chen, Megan1688USA2NF23B4B+32N1.07.57.50.001607-9.2
23Heinichen R., John DerekCM1966PARFF+22N6N3B1.07.07.01.001674-22.4
24Anand, Anirudh1693USA=31B=11N14B25NF1.06.06.01.501715+3.2
25Simpson, Matthew0USAFF9N+24B11N1.06.06.01.0016500.0
26Smalls, Jay D1650USA14B=18N=27NFF1.05.05.01.501646-0.4
27Benedek, Roy1796USAFF=26B=20NF1.02.52.51.251725-3.8
28Gratz, GlenCM2005USAFF1B=8B5N0.510.010.01.251412-26.8
29Zhu, Magnolia1683USA=9N4B19N13BF0.59.59.51.251469-30.8
30Bhargava, Anay1459USAF=15B17N11B19N0.58.58.51.001487+2.8
31Blomer, John1773USA=24N10BFFF0.53.53.50.501511-27.6
32Meng, Max1564USAFF18BF22B0.03.03.00.00873-28.0
33Luster, Shakira1598USAFF12NFF0.02.52.50.00881-11.8

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets