CChessStats

4th Annual World Open Amateur

Open SwissStandard

30 players participated in this 6-round tournament, held from 30 Jun 2025 to 01 Jul 2025 in Philadelphia, PA, United States. 2 titled players from 4 federations. Top 10 Elo average was 1891, and top seed was Maxim Farberov (🇺🇸 USA, 1979).

Ravdanlkhumbuu Amgalanbaatar (🇲🇳 MGL, 1905) won with 5.0/6, ahead of Javier Silva (5.0) and Maxim Farberov (5.0). Amgalanbaatar shared the lead from round 3, winning on tie-break.

The biggest upset came in round 3: Naga Abhi Ram Ponnaluri (1635) beat Jacob M Chen (1794), a +159-point gap.

Location
🇺🇸Philadelphia, PA, United States
Dates
30 Jun 2025 → 01 Jul 2025
Time control
Standard: All Moves in 90 Min. Del. 10 Sec. / /
System
Swiss · 6 rounds
Top seed
🇺🇸Maxim Farberov1979
Avg top 10
1,891
Participants
30
Titled players · 2
CM×1
WFM×1
Federations · 4 represented
🇺🇸United States of America×26
🇲🇳Mongolia×1
🇬🇷Greece×1
🇦🇺Australia×1
Top 3

How it unfolded

Top 6 · 6 rounds

Tight race until R6; 3 players tied at 5.0/6, decided on Buchholz.

Co-leaders
10
6
3
1
1
3
1.534.56R1R2R3R4R5R6
Silva5Farberov5Amgalanbaatar5Kamesh4.5Naba4Wang4
R6 · TIEBREAK CLUSTER

3 players finish on 5.0/6. Amgalanbaatar takes the title on Buchholz Cut1 (21.5).

WIN STREAKS · 3 top finishers

Javier Silva 3 wins (R4–R6)Maxim Farberov 3 wins (R1–R3)Ravdanlkhumbuu Amgalanbaatar 5 wins (R1–R5)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Javier Silva*—
1
—
2Maxim Farberov—*
0
—
3Ravdanlkhumbuu Amgalanbaatar
0
1
*
1
4Vidyuth Kamesh——
0
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΔ
1Amgalanbaatar, Ravdanlkhumbuu1905MGL+24B+14N+7B+3N+4B−2N5.021.523.018.002125+27.4
2Silva, Javier1963USA+17B=8N=10B+6N+7B+1B5.019.522.519.252096+36.0
3Farberov, Maxim1979USA+16N+6B+11N−1B+8N+5B5.019.522.517.502091+15.2
4Kamesh, Vidyuth1925USA+13N+5B+9N=8B−1N+11B4.519.022.015.252010+26.0
5Naba, Karim1804USA+12B−4N+18B+11B+9N−3N4.019.021.512.001937+18.0
6Sankar, Arjun1806USA+18B−3N+23B−2B+15N+12N4.018.520.510.501923+16.0
7Wang, Eric1763USA+21N+29B−1N+13B−2N+10B4.018.018.58.501892+26.1
8Kaur, AradhWFM1789USA+27N=2B+15N=4N−3B=9B3.521.022.010.501913+20.5
9Joseph, Julian1789USA+14B+24N−4B+10N−5B=8N3.518.019.59.251843+12.6
10Konistis, Loukas1903GRE=26N+19B=2N−9B+13N−7N3.018.019.08.501770-17.0
11Chen, Alan Zishun1921USA+22N+25B−3B−5N+19B−4N3.018.019.05.501644-56.4
12Kitchiner Valentine, Levi Horace1710USA−5N+22B−13N+21B+16N−6B3.016.018.07.001652-16.0
13Rana, Shyla1691USA−4B+27N+12B−7N−10B+25N3.015.516.55.001632-12.8
14Sadhu Venkata, Vahini0USA−9N−1B=22N=26B+18N+28B3.014.015.05.001586-14.8
15Vuyyuru, Shriyan1908USA=19B+28N−8B+25N−6B=17N3.014.015.04.751632-49.9
16Lan, Kai Zhou1682USA−3B−18N+26N+27B−12B+21N3.013.514.54.001650-7.2
17Chu, Leon1776USA−2N+21B−25N=18B+29N=15B3.013.514.05.251835+6.4
18Nettem, Subhang0USA−6N+16B−5N=17N−14B+29B2.517.017.55.0016800.0
19Kaur, JindCM1641USA=15N−10N+28B+29B−11N−20B2.512.513.03.001615-6.8
20Chitta, Adithya1649USAFF=29N+23BF+19N2.55.05.04.752469+42.4
21Naga Abhi Ram Ponnaluri1635USA−7B−17N+24B−12N+26B−16B2.014.515.52.501505-30.4
22Tower, Zachary Mark0USA−11B−12N=14B=24N−27B+30N2.011.511.52.2515350.0
23Ciarliero, Frank1697AUSF+26B−6N−20N+25BF2.08.58.52.00927-36.8
24Chen, Jacob M1794USA−1N−9B−21N=22BF+27N1.513.513.52.00977-62.8
25Monir, Amir0USAF−11N+17B−15B−23N−13B1.014.014.03.0015590.0
26Godkar, Yash0USA=10B−23N−16B=14N−21NF1.013.013.03.0014070.0
27FIDE 20673400—−8B−13BF−16N+22N−24B1.013.013.02.009400.0
28Bangaru, Sahishn Sai1438USAF−15B−19NF+30B−14N1.08.58.50.00940-12.8
29Wong Okyere, Darwin C0USAF−7N=20B−19N−17B−18N0.514.514.51.2513850.0
30Chai, Ben A0USAFFFF−28N−22B0.03.03.00.006380.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets