CChessStats

18th Annual Chicago Class - Class A

Open SwissStandard

48 players participated in this 5-round tournament, held from 18 Jul 2025 to 20 Jul 2025 in Wheeling, IL, United States. 4 federations represented. Top 10 Elo average was 1797, and top seed was Stephanie Ballom (🇺🇸 USA, 1893).

Jack Drucker (🇺🇸 USA, 1830) won with 4.5/5, ahead of Megan Chen (4.0) and Stephanie Ballom (4.0). Drucker clinched sole first place in the final round.

The biggest upset came in round 1: Aanya Parul Karthikeyan (1465) beat Andrew Cai (1697), a +232-point gap.

Location
🇺🇸Wheeling, IL, United States
Dates
18 Jul 2025 → 20 Jul 2025
Time control
Standard: 40 Moves in 80 Min. Del. 30 Sec. / / 30 Min. Del. 30 Sec.
System
Swiss · 5 rounds
Top seed
🇺🇸Stephanie Ballom1893
Avg top 10
1,797
Participants
48
Federations · 4 represented
🇺🇸United States of America×43
🇮🇳India×1
🇵🇱Poland×1
🇲🇽Mexico×1
Top 3

How it unfolded

Top 6 · 5 rounds

Jack Drucker led from R5; +0.5-point edge over the runner-up.

Co-leaders
13
3
1
1
1
1.52.545R1R2R3R4R5Drucker takes lead
R5 · LEADER CHANGE20 Jul

Jack Drucker takes the sole lead (4.5/5).

WIN STREAKS · 2 top finishers

Jack Drucker 3 wins (R3–R5)Megan Chen 4 wins (R1–R4)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Jack Drucker*
1
2Zachary W Nudo*
½
3Megan Chen
0
*
4Stephanie Ballom
½
*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Drucker, Jack1830USA+20N=7B+22N+8B+2B4.512.014.012.502044+39.6
2Chen, Megan1674USA+5B+21B+32N+37B1N4.012.013.08.501926+26.2
3Ballom, Stephanie1893USA+11B=10N+29B+9N=4N4.011.513.09.751916+2.4
4Nudo, Zachary W1778USA+23B=29N+33B+6N=3B4.010.512.09.251894+13.0
5Pennington-Cross, Nicholas Lee1704USA2N+31B+20N+12B+37N4.010.011.07.001802+15.6
6Hanrahan, Paul Scott0USA+32B+30N=9B4B=8N3.011.012.55.7517440.0
7Anand, Anirudh1635USA+45B=1N=24B+25B17N3.011.011.05.251782+30.8
8Hoffman, Jesse N1711USA+39B=38N+43B1N=6B3.09.510.03.501627-6.0
9Kabakov, Robert0USAF+15B=6N3B+21N2.511.511.56.0018260.0
10Cheng, Gary0USA+13B=3B=17N=24NF2.511.011.06.7518270.0
11Lee, Merrill1657USA3N+16B=34B=43N=14B2.510.511.04.751715+14.8
12Hanninen, Carter James0USA+14B+25B37N5N=34B2.510.011.05.2516870.0
13Sridhar, Vinay1777USA10N+23B21N+47B=22N2.58.58.53.001867+8.8
14Zurawski, Zachary1769POL12N+41B42N+20B=11N2.58.09.04.251756-3.2
15Pham, Linda1759USAF9N=28B+31N+42B2.57.07.03.501901+14.4
16Hernandez Madrigal, Hector1702MEX30B11N=36B+46N+29B2.57.07.02.251587-9.0
17Wallach, David R1753USAFF=10B+38N+7B2.56.56.55.252322+18.0
18Thompson, Sean D1742USAFF+30B+29N=33B2.54.54.53.751808+4.0
19Juric, Zvonko1771USAF=40B35N+41N+43B2.54.04.02.002434+12.8
20Stinson, Marcus1702USA1B+39N5B14N+30B2.012.513.52.50968-24.8
21Akin, Doyle N0USA+31B2N+13B26N9B2.011.012.54.0015910.0
22Wang, Chase1657USAF+45N1B=27N=13B2.09.09.02.251662-0.4
23Girish, Adarsh1682USA4N13N+45B+39BF2.07.57.51.00978-29.6
24Sapru, Agastya1806USAFF=7N=10B+35N2.07.07.04.251635-8.8
25Chirukandath, Aswin1738USA+41B12N+48B7NF2.06.56.51.001770+4.8
26Cai, Andrew1697USA29BF=38B+21B=32N2.06.06.03.251413-42.8
27Feygin, Alec1753USAFF=40N=22B+38B2.04.04.02.501730-0.4
28Jayam, Srikar1757USAFF=15N=44B+40N2.04.04.02.501790+3.6
29Parul Karthikeyan, Aanya1465USA+26N=4B3N18B16N1.513.015.04.001608+28.0
30Sahoo, Sheetansu Bhusan0USA+16N6B18N=36B20N1.510.011.53.2516090.0
31Montella, James F0USA21N5N+39B15B=36N1.510.011.01.7514270.0
32Wang, Gaofei1750USA6NF2B+42N=26B1.510.010.02.001676-10.8
33Benedek, Roy1764USAFF4N+40B=18N1.57.57.52.251568-10.2
34Bafia, Nathaniel1569USAFF=11N=35B=12N1.56.56.53.251657+4.8
35Sripada, Vishnu0USAFF+19B=34N24B1.56.06.03.2517150.0
36Bao, Ronny1638USAFF=16N=30N=31B1.55.55.52.751702+3.6
37Pothabathula, Rahul S1656USAFF+12B2N5B1.010.510.52.50889-36.0
38Avanish Ram Amarnath1408INDF=8B=26N17B27N1.09.59.52.501535+19.2
39Pullabhotla, Aditya0USA8N20B31N23N+46B1.08.58.50.008980.0
40Tang, Emily Jiaying0USAF=19N=27B33N28B1.08.08.02.2515680.0
41Emanuelson, Ethan1626USA25N14N+46B19BF1.07.07.00.00959-38.8
42Vanama, Agastya Chakravarthy1658USAFF+14B32B15N1.06.56.52.501632-3.6
43Nikhil, Nirav1642USAFF8N=11B19N0.58.08.01.251440-28.4
44Zhang, Brian Qixuan1821USAFFF=28NF0.52.02.01.001757-3.6
45Asner, Marcus A0USA7N22B23NFF0.07.07.00.008610.0
46FIDE 1740957530FF41N16B39N0.04.54.50.008640.0
47FIDE 399824830FFF13NF0.02.52.50.009770.0
48Sundaram, Senthil K1675USAFF25NFF0.02.02.00.00938-16.4

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets