CChessStats

2025 Michigan Bottom Half Class

Open SwissStandard

29 players participated in this 5-round tournament, held from 11 Oct 2025 to 12 Oct 2025 in Ann Arbor, MI, United States. 1 titled players from 3 federations. Top 10 Elo average was 2050, and top seed was Eric Torman (🇺🇸 USA, 2411).

Joshua Posthuma (🇺🇸 USA, IM, 2386) won with 4.0/5, ahead of Ryan Clayton (4.0) and Harvey Hanke (4.0). Posthuma won on tie-break after catching the field in the final round.

The biggest upset came in round 2: Clara McGrew (1945) beat Eric Torman (2411), a +466-point gap.

Location
🇺🇸Ann Arbor, MI, United States
Dates
11 Oct 2025 → 12 Oct 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 5 rounds
Top seed
🇺🇸Eric Torman2411
Avg top 10
2,050
Participants
29
Titled players · 1
IM×1
Federations · 3 represented
🇺🇸United States of America×27
🇮🇳India×1
🇨🇦Canada×1
Top 3

How it unfolded

Top 6 · 5 rounds

Tight race until R5; 3 players tied at 4.0/5, decided on Buchholz.

Co-leaders
13
6
2
1
3
1.52.545R1R2R3R4R5
Posthuma4Clayton4Hanke4Torman3.5McGrew3.5Yassine3
R5 · TIEBREAK CLUSTER

3 players finish on 4.0/5. Posthuma takes the title on Buchholz Cut1 (12.0).

R5 · HEAD-TO-HEAD · WINNER VS 2ND

IM Joshua Posthuma beat Ryan Clayton (Black).

WIN STREAKS · 3 top finishers

IM Joshua Posthuma 4 wins (R1–R5)Ryan Clayton 4 wins (R1–R4)Harvey Hanke 3 wins (R2–R4)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1IMJoshua Posthuma*
1
——
2Ryan Clayton
0
*——
3Harvey Hanke——*—
4Eric Torman———*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Posthuma, JoshuaIM2386USA+10B+6N+11BF+2N4.012.012.012.002819+4.1
2Clayton, Ryan2117USA+14B+17N+7B+19N−1B4.011.513.59.502224+13.4
3Hanke, Harvey2042USA=22B+25N+12B+13N=4B4.010.011.08.502066+8.4
4McGrew, Clara1945USA+18B+5NF+9B=3N3.512.512.510.502342+35.0
5Torman, Eric2411USA+8N−4B=10N+18B+6N3.512.014.09.252160-11.0
6Yassine, Waleed1853USA+15N−1B+8N+11N−5B3.013.015.58.001975+28.8
7Tolliver, Kameron1918USA+29N=12B−2N+10B=20N3.011.011.04.751997+10.6
8Mogal, Aaban Baig1722USA−5B+27N−6B+26N+17B3.09.09.53.001932+52.8
9Wang, Michael1865USA+28N+21BF−4N+19B3.07.57.54.002014+16.6
10McCleary, Devin R1890USA−1N+23B=5B−7N+25B2.512.013.04.251950+1.6
11Avanish Ram Amarnath1421IND+13B+22N−1N−6B=21N2.511.513.05.001813+83.2
12Yang, Andre1921USA+26B=7N−3N=20B=16N2.511.512.04.251859-16.0
13Bajaj, Arjun1836USA−11N+15B+26N−3B=14N2.511.512.04.251767-7.4
14Puram, Tejas1800USA−2N+28B+21NF=13B2.58.58.53.251931+26.8
15Das, Druheen Acharya1837USA−6B−13N+28B=22N+23B2.58.58.52.251666-36.0
16Schommer, Alexander J1703USA−20N+29B=25B=17N=12B2.57.57.52.751826+32.4
17Sundara Rajan, Inbhavenkat1860CAN+23N−2B=18N=16B−8N2.011.513.03.751637-47.6
18Das, Dron Archarya1779USA−4N+24B=17B−5N=26B2.010.511.02.751798-0.4
19Davidovich, Manis1956USA+24N+20BF−2B−9N2.010.510.53.501887-6.4
20Nichols, Anthony1910USA+16B−19NF=12N=7B2.010.010.05.251874-3.6
21Zheng, Lerui1850USA+27B−9N−14B=25N=11B2.09.09.52.251630-54.8
22Das, Ayush1784USA=3N−11B=24N=15BF1.510.510.54.001651-13.8
23Papineni, Aarush0USA−17B−10N=27B+24B−15N1.58.59.01.7516480.0
24Liu, Boaz1653USA−19B−18N=22B−23N+28N1.57.07.00.751678+1.6
25Thottimpudi, Anjana1650USAF−3B=16N=21B−10N1.011.011.02.251678+1.6
26Manion, Tom1722USA−12NF−13B−8B=18N0.510.010.01.001493-20.0
27Ponugupati, Tejas1745USA−21N−8B=23NFF0.56.56.50.75986-35.6
28Ramdas, Ronav1540USA−9B−14N−15NF−24B0.09.59.50.00989-32.0
29Garrison, R Raymond1786USA−7B−16NFFF0.05.55.50.001010-18.8

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets