CChessStats

2025 National Open - Under 2100

Open SwissStandard

158 players participated in this 7-round tournament, held from 05 Jun 2025 to 08 Jun 2025 in Las Vegas, NV, United States. 7 titled players from 8 federations. Top 10 Elo average was 1981, and top seed was Jason Loving (🇺🇸 USA, 2036).

Sargis Niazyan (🇦🇲 ARM, 1979) won with 6.0/7, ahead of Kingsley Koon (5.5) and Advik Manchanda (5.5). Niazyan took the lead from round 5.

The biggest upset came in round 6: Kanishk Mahesh (1646) beat William Rhee (1972), a +326-point gap.

Location
🇺🇸Las Vegas, NV, United States
Dates
05 Jun 2025 → 08 Jun 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 7 rounds
Top seed
🇺🇸Jason Loving2036
Avg top 10
1,981
Participants
158
Titled players · 7
CM×2
WFM×3
WCM×2
Federations · 8 represented
🇺🇸United States of America×137
🇲🇳Mongolia×3
🇦🇲Armenia×3
🇨🇦Canada×3
🇮🇳India×2
🇨🇺Cuba×1
🇷🇺Russia×1
🇳🇬Nigeria×1
Top 3

How it unfolded

Top 6 · 7 rounds

Sargis Niazyan led from R5; +0.5-point edge over the runner-up.

Co-leaders
34
14
3
1
1
1
1
23.55.57R1R2R3R4R5R6R7Niazyan takes lead
R5 · LEADER CHANGE07 Jun

Sargis Niazyan takes the sole lead (4.5/5).

WIN STREAKS · 3 top finishers

Sargis Niazyan 3 wins (R4–R6)Josh James Price 4 wins (R2–R5)Kingsley Koon 3 wins (R5–R7)

R4 · LATE SURGE

Kingsley Koon was #17 at R4, climbed to #3 over the final stretch.

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Sargis Niazyan*
½
2Josh James Price*
3Kingsley Koon
½
*
4CMAdvik Manchanda*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Niazyan, Sargis1979ARM+58N+39B=2N+56B+131N+42B=67N6.021.523.018.752173+29.4
2Koon, Kingsley1821USA+152N+40B=1B14N+50B+13N+131B5.523.524.016.502090+47.6
3Manchanda, AdvikCM1891USA+72N+71B42N+115B+57N+40B=18N5.520.522.516.752019+40.8
4Price, Josh James1879USA24N+130B+71N+86B+60N=91B+70N5.518.019.514.251934+16.8
5Gesyan, Suren1935ARM+132B+28N67B+19N+64B18B+26N5.023.024.517.001898-3.8
6Tokhyan, Feliks1908ARM+92N+23B+49N+24BF9N+139B5.020.520.515.502051+38.8
7Arganian, David1876USA86N+88B=58N=48B+103N+41B+23B5.019.021.515.751909+6.8
8Mercado, Adam1832USA+130N24B+86N62B+127N+39B+64N5.017.519.012.001870+6.2
9Daftuar, Rohan1699USAF+151B+117N+68B+156N+6B52N5.014.014.010.502107+121.2
10Jones, Jacob Benjamin1894USAFF+132N+112B+93N+12B+91N5.013.013.013.002532+46.0
11Whale, Nicholas1912USA+127B=41N=21B+77N=22B=23N=15B4.524.025.515.001886-3.4
12Sargsyan, Vahan1728USA+31B+87B16N+97N=13B10N+102B4.523.025.513.751925+59.6
13Edwards, Derek1898USA56N+73B+51N+39B=12N2B+115N4.523.025.014.251861-5.4
14Harrison, Joshua1934USA=59B+29N+85B+2BF30N+27N4.523.023.017.501949+2.4
15Sathiesh, Kavin C1763USA=63N=74B+145N=25B+43N=16B=11N4.522.523.514.001838+26.0
16Tabor, Kai1859USA+112B+93N+12B67N=70B=15N=19B4.522.024.015.001872+1.8
17Huddleston, James Douglas1850USA=29B+48N+30BF=62N=27B+77N4.521.521.516.001960+16.4
18Regam, JessicaWFM1908USAFF+76B+21N+79B+5N=3B4.521.021.018.252160+25.6
19Bennion, Tarquin Johnson0USA40N+144B+87N5B+123N+125B=16N4.519.520.59.7518820.0
20Vishal, Vyas1740USA=26B+136N=62B+36N+44B=139N81B4.519.020.513.251898+61.6
21Chang, Jerry1631USA=129N+114B=11N18B=85N+43B+128N4.518.520.011.251858+72.0
22Dhingra, Sangeeta1826USA+116BF=115N+85B=11N=31B+99N4.517.517.512.251963+14.0
23Battistella, Edwin1854USA+90B6N+89B=31B+146N=11B7N4.023.524.510.251839-1.2
24He, Bonnie1687USA+4B+8N+97B6N+128BF40N4.023.023.014.501981+75.6
25Phillips, Ryan1819USA+73B56N+59B=15N=26B=29N=36B4.022.525.514.251804-2.6
26Chan, Skylor T1828USA=20N106B+120N+95B=25N+33B5B4.022.524.512.751857+13.2
27Sun, Charlie1719USA+43B+65B128N=45N+61B=17N14B4.022.023.513.502018+79.2
28Zhang, Sean1760USA+61B5B=95N=54N=35B+141N=34B4.022.023.511.501855+40.8
29Wang, Howard1751USA=17N14B+134N+65B=68N=25B=153N4.020.521.010.501860+42.0
30Fang, Jack Junrui1785USAF+129B17N+90N+45B+14B42N4.020.020.012.001871+24.0
31Ward, John S0USA12N+113B+119B=23N+101B=22NF4.019.519.510.7518190.0
32Ma, Cuihan1840USA+94B=66N=70B64N+80B38N+58B4.019.021.511.501889+15.2
33Chung, Kevin1666USA+144B85N+47B81N+78B26N+57B4.019.020.010.501761+14.8
34Feng, Eric1762USA=57N+155B44N+114B+56N52B=28N4.019.019.08.501830+23.2
35Lederer, Howard H1733USA+98N+60B52N57B=28N+146B=88N4.018.519.59.751890+50.4
36Lee, Joshua Kyu-Ho1784USA85N+116B+63N20B=108N+147B=25N4.018.519.59.251778+0.4
37Dorfman, Menachem1734USA66B+94N+127B70N38B+122N+86B4.017.018.58.501794+24.0
38Du, Shuhan1851USAFF+98N+145B+37N+32B68N4.014.514.511.502000+30.4
39Couture, Jonathan1881CAN+46B1N+75B13N+149B8N=96N3.524.525.58.751733-23.4
40Amarsaikhan Dashtogtokh1969MGL+19B2N=101BF+153B3N+24B3.522.522.510.251804-21.2
41Villamar, Eros1857CAN+150B=11B99N=66N+74B7N=46B3.521.522.59.501765-22.8
42Karatas, Kutay1963TURFF+3B+128N=67B1N+30B3.520.020.012.502007+4.6
43Holler, Robert C1761USA27N=140B+92N+100B15B21N+127N3.519.521.07.251732-12.0
44Harish, Vidyuth1705USAF+53N+34B=91B20N=104B=111N3.519.519.511.251876+55.6
45Johnson, Charles0USA71N+72B+103N=27B30N+57BF3.519.519.510.5017270.0
46Ganesan, Vikash1576USA39N78N+88B+51B=65N=95B=41N3.519.021.510.501775+68.8
47Buckley, Gerard1804IRL=106N=69B33N=82N+135B=54N=109B3.518.520.08.751783-3.8
48Lin, Ashley1715USAF17B+129N=7N69B+149N+61B3.518.018.08.001783+18.0
49Gan, Nathan1820USA+134B+89N6B+74N=52B131N146B3.517.018.08.751782-13.2
50Yi, Victor1684USA=53B137N+151N+135B2N=100B=95N3.517.017.56.251762+27.2
51Oxman, Keith1783USA=133B=75N13B46N=129B+130N+90B3.516.518.07.001664-36.8
52Manalo, Lance Rheiniel1905PHIFF+35BF=49N+34N+9B3.516.516.514.752089+14.0
53Puppalla, Pranay1797USA=50N44B=154N=73B+138N+59BF3.515.015.08.001761-9.6
54Opaska, Michael1816USAFF+155N=28B=84N=47B+60N3.513.513.58.251926+11.0
55Erard, Eric Christian1847USA+96B97N+102BF+117N=128BF3.511.011.07.752135+60.0
56Cole, Christopher1729USA+13B+25B=68N1N34B=61N123B3.024.526.511.501828+17.0
57Krishna Rajagopalan0IND=34B=76N+105B+35N3B45N33N3.024.026.510.0017510.0
58Jeyaraj, Joel Ethan1721USA1B+150N=7B61N=90B+66N32N3.023.524.57.751700-7.6
59Schoening, Travis C1704USA=14N=63B25N=89B+113N53N=75B3.020.522.58.501686-8.4
60Prabhu, Tanya G1631USA+148B35N+141B+69N4B77N54B3.020.521.55.501747+38.8
61Kantor, Alan1905USA28N=132B+96N+58B27N=56B48N3.020.021.57.751681-41.6
62Zamojski, Chloe Melissandre1795USAFF=20N+8N=17B81N+82B3.020.020.012.501891+26.4
63Joseph, Veronique1645USA=15B=59N36B80N+136B+76N124B3.019.521.08.251745+32.4
64Ograin, Arjun0USAFF+104N+32B5N+69N8B3.019.519.59.5018430.0
65Andrechak, Sean1895USA+78B27N=93B29N=46B+88NF3.019.519.58.501695-60.0
66Rao, Arjun1769USA+37N=32B106N=41B124N58B+121B3.019.021.09.751807+12.0
67Creger, Leo1994USAFF+5N+16B=42NF=1B3.019.019.014.252127+13.6
68Tiedemann, Daniel1821USAFF=56B9N=29B+79N+38B3.019.019.010.501835+3.6
69Grover, Aastik1619USAF=47N+80B60B+48N64B=74N3.019.019.09.751785+45.2
70Beltran, Omar1703USAFF=32N+37B=16N+153B4B3.018.518.58.751879+23.8
71Thomas, Rodney1789USA+45B3N4BF147N+134N+137B3.018.518.56.501699-22.8
72Ye, Brian1685USA3B45N+144N+87B104N123B+113N3.018.019.05.501777+28.0
73Wolfe, Daniel1717USA25N13N+152B=53N82B=120B+145N3.018.018.54.251669-7.4
74Venkat, Varun1690USAF=15N+148B49B41N+121N=69B3.017.517.56.751784+29.2
75Labaznikova, Kseniya1620RUS=120N=51B39N107B=92N+112B=59N3.017.019.07.501668+12.8
76Booth, Anthony J1728USA=113N=57B18N=130B=89N63B+114N3.017.018.56.501666-22.0
77Durby, Owen1840USAFF+142N11B+118N+60B17B3.015.515.56.501835-0.4
78Krishna, Sai1611USA65N+46B=135N=117B33N+145BF3.015.015.06.251714+21.6
79Blackman, Ryan K1783USAF+133N+137B=99B18N68B=117N3.015.015.05.251823+3.6
80Lee, Joseph1726USAFF69N+63B32N+118B+100N3.014.514.57.501782+16.0
81Badamkhand, NorovsambuuWFM1900MGLFFF+33B91N+62B+20N3.014.014.011.501928+3.0
82Waxberg, Jason1773USAFF=138N=47B+73N+84B62N3.014.014.08.501737-8.0
83Wang, Zhuocheng1824USA87N96B=116N+151B100N=113B+118N3.013.514.04.501627-70.4
84Norman, Henry0USAFF=133B+96N=54B82N+135B3.012.012.06.5018400.0
85Namala, Dhanvi1755USA+36B+33B14N22N=21B111N101B2.524.026.510.251716-15.4
86McCormick, Richard Patrick1742USA+7BF8B4N=133B+129N37N2.522.522.57.251725-5.6
87Briggs, James W1559USA+83B12N19B72N88B+133N=94B2.520.021.55.751603+9.2
88Tomar, Kshitij1708USAF7N46N+144B+87N65B=35B2.519.019.05.501661-17.6
89Liang, Candice1647USA+121B49B23N=59N=76B=103N105B2.518.520.56.251646-2.4
90Xiao, Edira1584USA23N=92B+140N30B=58N=127B51N2.518.520.05.001670+28.4
91Solorio Valderrama, Noe1738FIDFF=131B=44N+81B=4N10B2.518.518.58.251862+16.2
92Verma, Angelina1814USA6B=90N43B=134N=75B+116NF2.517.517.55.501654-25.8
93Garrison, Jay1803USA+118N16B=65N+147B10BF125N2.517.517.54.501738-9.8
94Dyberg, Rick1812USA32N37B107N+152N+126B117B=87N2.517.017.53.751651-30.4
95Misra, Shubh1693USAFF=28B26N+130B=46N=50B2.516.516.57.001696+0.8
96Patel, Dhyaan1832PUR55N+83N61B84B+151NF=39B2.516.516.55.251781-9.2
97Flores, Andrew1959USA+140N+55B24N12B=107NFF2.516.016.06.251742-27.0
98Imada, Todd1834USA35B148N38B+157N109B=110N+133B2.515.515.52.751520-46.4
99Villanueva, Santy0USAFF+41B=79N139B+124N22B2.514.514.57.0017280.0
100Nelson, Abraham1747USAFF+136B43N+83B=50N80B2.514.514.56.251753+2.0
101Stoyanovich, Brandon1897USAFF=40N+119B31N108B+85N2.514.514.56.251915+4.4
102Loving, Jason2036USAFF55N=118B+112N+107B12N2.514.514.55.501663-37.0
103Scamehorn, Jackson1662USAFF45B+133N7B=89B+119N2.514.514.54.751731+10.4
104Marvin, Hayes Alexander1890USAFF64B+122N+72B=44N108N2.514.014.06.751816-14.0
105Xiao, Marina1724USAFF57N=138B=114N=119B+89N2.511.011.05.251783+12.4
106Rey Galvan, Enmanuel1942CUB=47B+26N+66BFFFF2.510.510.58.752073+8.4
107Jargalsaikhan, Ochir1715USAFF+94B+75N=97B102NF2.510.510.56.751952+46.8
108Shankar, Pranav1887USAFFFF=36B+101N+104B2.59.09.07.002130+34.8
109Sankar, Arjun1806USAFFFF+98N+114B=47N2.58.08.06.252087+20.8
110Skanda, Saurav1561USAFF122B113B+144N=98B+152N2.58.08.02.751685+32.0
111Bryant, Daniel1985USAFFFF+154N+85B=44B2.56.56.54.751923-2.6
112Amba, Advaith0USA16N=118B+113N10N102B75N=116B2.019.021.04.0016370.0
113Jones, Davey1689USA=76B31N112B+110N59B=83N72B2.018.520.55.501628-8.6
114Pottinger, Carl1803CAN=137B21N+121B34N=105B109N76B2.018.520.04.001609-37.2
115Mahesh, Kanishk1646USAFF=22B3N=141B+137N13B2.017.517.54.501804+36.8
116SakthiSaravanan, Kaavya1766USA22N36N=83B140B+155N92B=112N2.017.517.52.501594-53.2
117Zlotchevsky, Nicole1938USAFF9B=78N55B+94N=79B2.017.017.05.501678-33.4
118Xu, Olivia1698USA93B=112N+149B=102N77B80N83B2.016.017.03.251480-43.2
119Wang, Tianmu1669USAF+120B31N101N=121B=105N103B2.015.515.54.251706+8.4
120Evans, Barry M1857USA=75B119N26B=132N=134B=73NF2.015.015.04.501561-46.6
121Wang, Stone1748USA89N=134B114N+155B=119N74B66N2.014.014.01.751550-75.2
122Selvam, Swagatha1609USAFF+110N104B+148N37B143B2.011.511.53.501696+19.2
123Saikhanchimeg, TsogtsaikhanWFM1963MGLFFFF19B+72N+56N2.010.510.56.002505+7.4
124FIDE 399837730FFFF+66B99B+63N2.08.58.56.0017480.0
125Gustafsson, Alexander1936USAFFFF+158B19N+93B2.07.07.02.502602+6.4
126Johnson, Mark J1863USAFFFF94N+154B+138N2.04.54.52.001723-14.4
127Ganapathy, Aishwarya Lakshmi1721USA11N+152B37NF8B=90N43B1.520.020.01.751548-54.0
128McIntosh, Tyler0USAFF+27B42B24N=55N21B1.519.519.55.7516210.0
129Rao, Anjali1664USA=21B30N48B=136N=51N86BF1.519.519.54.751544-36.4
130Kaur, JindCM1641USA8B4N+157B=76N95N51BF1.519.519.51.501528-34.4
131Dalhouse, Justin1934USAFF=91NF1B+49B2N1.517.517.54.751752-20.0
132Chitta, Adithya1649USA5N=61N10B=120B145N=142BF1.517.517.53.251713+12.8
133Kipersztok, William0USA=51N79B=84N103B=86N87B98N1.517.019.54.5014540.0
134Slatken, Tobias William Maxwell1629USA49N=121N29B=92B=120N71B150N1.517.018.03.251603-7.2
135Allen, Patrick1855USAFF=78B50N47N+150B84N1.514.014.02.501427-63.6
136Edwards, Gary1766USA=151N20B100N=129B63N=152B142N1.513.514.01.251425-59.8
137Rhee, William1972USA=114N+50B79NFF115B71N1.513.513.54.501592-48.4
138Xiao, Michael1633USAFF=82B=105N53B=143N126B1.512.512.53.501635-0.4
139Nallabothula, Varin1795USAFFFF+99N=20B6N1.512.012.04.751631-17.2
140Christiansen, NatashaWCM1725USA97B=43N90B+116NFFF1.510.510.53.751680-5.8
141Zhang, KylieWCM1792USAFF60N+154B=115N28BF1.59.59.51.501403-58.8
142Rhinehart, Zachary1721USAFF77BFF=132N+136B1.56.06.02.251752+4.8
143Martinez, Abraham1760USAFFFFF=138B+122N1.53.53.52.751814+5.2
144Lin, Yian1670USA33N19N72B88N110B+151BF1.017.017.00.501373-74.8
145Castro, Maximus0USAFF15B38N+132B78N73B1.016.016.01.5014780.0
146Yi, Colin1762USAFFFF23B35N+49N1.011.511.53.501677-13.2
147Li, Leon1485USAFFF93N+71B36N149B1.010.510.53.001667+23.2
148Obiamiwe, Paul1896NGR60N+98B74NF122BFF1.010.510.52.501498-40.2
149Mc Intosh, Adam0USAFF118NF39N48B+147N1.010.010.01.0015020.0
150Zhen, Andrew0USA41N58BFFF135N+134B1.09.59.51.5015720.0
151Whitaker, Robert D1448USA=136B9N50B83N96B144NF0.516.516.50.751345-8.4
152Pendyala, Sriaditya1621USA2B127N73N94BF=136N110B0.516.516.50.751332-64.4
153Johnson, Philip Daniel1722USAFFFF40N70N=29B0.510.510.52.001535-27.2
154Aravind, Kavin0USAFF=53B141N111B126NF0.59.59.51.7515370.0
155O`Neill, Julie Anne1746USAF34N54B121N116BFF0.011.511.50.00973-37.0
156Karp, Eli1986USAFFFF9BFF0.05.05.00.00899-16.8
157Sahasra Vijay1411INDFF130N98BFFF0.04.04.00.00926-11.6
158FIDE 399837810FFFF125NFF0.02.02.00.0011360.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets