CChessStats

35th Annual North American Open

SwissStandard

125 players participated in this 9-round tournament, held from 26 Dec 2025 to 30 Dec 2025 in Las Vegas, NV, United States. 83 titled players from 8 federations. Top 10 Elo average was 2541, and top seed was Jianchao Zhou (🇺🇸 USA, GM, 2592).

Ehsan Ghaem Maghami (🇮🇷 IRI, GM, 2427) won with 6.5/9, ahead of Eytan Rozen (6.5) and Abdimalik Abdisalimov (6.5).

The biggest upset came in round 2: Matthew Coy (1813) beat Teddie Wen (FM, 2260), a +447-point gap.

Location
🇺🇸Las Vegas, NV, United States
Dates
26 Dec 2025 → 30 Dec 2025
Time control
Standard: 40 Moves in 90 Min. Del. 30 Sec. / / 30 Min. Del. 30 Sec.
System
Swiss · 9 rounds
Top seed
🇺🇸GMJianchao Zhou2592
Avg top 10
2,541
Participants
125
Titled players · 83
GM×19
IM×20
FM×28
CM×11
WIM×4
WFM×1
Federations · 8 represented
🇺🇸United States of America×85
🇨🇦Canada×7
🇮🇳India×4
🇮🇱Israel×3
🇺🇿Uzbekistan×3
🇫🇷France×3
🇹🇷Turkiye×2
🇦🇲Armenia×2
Top 3

How it unfolded

Top 6 · 9 rounds

Tight race until R9; 8 players tied at 6.5/9, decided on Buchholz.

Co-leaders
41
14
4
1
3
3
3
6
8
2.54.579R1R2R3R4R5R6R7R8R9
R9 · TIEBREAK CLUSTER

8 players finish on 6.5/9. Ghaem Maghami takes the title on Buchholz Cut1 (46.5).

WIN STREAKS · 2 top finishers

GM Koustav Chatterjee 3 wins (R3–R5)GM Santiago Avila Pavas 4 wins (R6–R9)

R5 · LATE SURGE

GM Santiago Avila Pavas was #50 at R5, climbed to #3 over the final stretch.

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7R8R9PtsBu C1BuSBPerfΔ
1Ghaem Maghami, EhsanGM2427IRI+112N+52B+21N+23B=20N=4B=13N=3N=7B6.546.548.533.002588+20.1
2Rozen, EytanIM2515ISR+91N+15B=11N=14B+86N=30B=9N+12B=17B6.544.548.033.502513+0.5
3Abdisalimov, AbdimalikGM2561UZB+111N+12B=14N+79B+93N=24B=4N=1B=6N6.544.546.531.002577+2.8
4Koustav ChatterjeeGM2475IND+72B=31N+47B+95N+22B=1N=3B=17N=26B6.544.047.532.752531+7.5
5Zhou, JianchaoGM2592USA=73B=55N+71B+21B=9N=29N+35B=10B+20N6.541.545.532.752502-6.9
6Amilal MunkhdalaiIM2455MGL=78B+46N=25B+75N=26B=32N+48B+29N=3B6.541.545.532.2524360.0
7Samant Aditya SGM2529IND=71N+119B=31N+60B=10N+93B=30N+9B=1N6.540.541.528.252506-1.5
8Avila Pavas, SantiagoGM2519COL+36B51N+56B30N=69B+59N+49B+31B+21N6.538.542.531.002420-8.5
9Liu, EricIM2390USA+65B+50N+16B=22N=5B=17N=2B7N+35B6.046.551.032.252522+16.3
10Ozenir, Ekin BarisIM2433TUR+83B=70N+45B=17N=7B=25N+41B=5N=11B6.044.548.531.252440+2.5
11De Silva, L M S TIM2406SRI+88B+32N=2B20B=49N+50N+25B=13B=10N6.043.547.030.002473+8.9
12Singh, Siddharth2362USA+105B3N+44B=50N+68B+39N=22B2N+42B6.042.545.027.002460+24.0
13Sonis, FrancescoGM2560ITA=55B+73N+87B=33N=29B+38N=1B=11N=16B6.042.045.529.002482-7.7
14Sethuraman, SandeepIM2417USA+64N+103B=3B=2N16B=49N+70B+34N=39B6.042.044.527.252462+6.6
15Petesch, GabrielFM2333USA+61B2N+72B+41N=39B=22N29B+48N+32B6.041.545.528.752390+16.2
16Cordova, EmilioGM2489PER+114N+30B9N+111B+14N=20B=24N=21B=13N6.041.543.526.252501+2.4
17Abdurakhmonov, MukhammadaliIM2354UZBF+107B+98N=10B+23N=9B+20N=4B=2N6.041.541.529.002547+21.4
18Mikaelyan, ArmanGM2493ARM+67B21N+36B=25N+47B=35N=32B=42N+30B6.041.045.529.752385-10.9
19Feng, EricFM2134USA23B+101N=37B+92N35B+40N+57B=22N+29B6.039.042.026.252478+153.6
20Boyer, MahelGM2527FRA+59B+40N=29B+11N=1B=16N17B+30N5B5.546.050.529.252470-5.8
21Li, RachaelWIM2325USA+108N+18B1B5N+78B+69N+28B=16N8B5.545.047.525.002447+30.4
22Lamaze, SimonIM2466FRA+125N+54B+86N=9B4N=15B=12N=19B=23N5.544.044.022.752407-5.5
23Schmakel, SamIM2439USA+19N+49B+51B1N17B=70N+73B=32N=22B5.542.046.026.252382-5.7
24Girel, JosephGM2503FRA+44B=87N+109B=29N+33B=3N=16B26N=38B5.541.544.025.502449-5.2
25Colas, JoshuaFM2270USA=118N+81B=6N=18B+79N=10B11N=51B+53N5.541.542.524.502355+23.8
26Katz, AlexanderIM2358USA+48BF=53N+34B=6NF+33B+24B=4N5.538.038.029.252525+15.6
27Guo, EthanFM2295USA=69B+99N95B=77N+88B=37N=39B=33N+65B5.534.537.522.502311+6.8
28Mikhalevski, VictorGM2520ISR56N34B+81N+112B+111N=31B21N+71N+50B5.534.536.519.002287-21.9
29Omelja, ArtemGM2395UKR+34N+56B=20N=24B=13N=5B+15N6B19N5.047.051.527.252424+3.8
30Zhu, LinxiFM2289USA+85B16N+83B+8B+43N=2N=7B20B18N5.046.050.026.002462+39.6
31Yang, Jingyun (ryan)FM2319CAN+62N=4B=7B=43N=50B=28N+65B8N=34B5.044.048.525.502388+16.4
32Wu, DerekFM2226USA+110N11B=90N+63B+51N=6B=18N=23B15N5.042.545.022.252334+27.0
33Vivekananthan, AnishIM2412USA=66N+82B+63N=13B24N+45B26N=27B=44N5.041.545.524.002349-6.9
34Jagirapu, Harshin Reddy2115USA29B+28N+40B26N+87B=57N+47B14B=31N5.041.545.023.752417+132.0
35Su, Jasmine ZhixinFM2299USA=74N=89B=108N+58B+19N=18B5N+52B9N5.041.043.523.002281-4.6
36Fang, ElbertFM2200USA8N+76B18N+62B=40B42N+94B+87N=37B5.039.543.020.502346+63.6
37Parkhov, YairGM2499ISR=82N=120B=19N=52B+55N=27B=54N=64B=36N5.038.539.522.002253-25.6
38Khaledi, OmidFM2300CANF69N+66B+46N+59B13B=64N+58B=24N5.038.538.523.502319+3.6
39Saydaliev, SaidakbarIM2457UZBF=71B+112N+53B=15N12B=27N+54B=14N5.038.538.521.752356-8.9
40Bitoon, RichardGM2354PHI+106N20B34N+98B=36N19B+78N+91B=46N5.037.039.518.002206-15.8
41Shetty, Anshul2007USA54N+125B+120N15B+52N+60B10N=43B=45N5.036.536.515.002335+139.6
42Roselli Mailhe, BernardoIM2288URU53N=121B105N+99N+94B+36B+43N=18B12N5.035.536.520.002248-4.2
43Kantor, GergelyGM2555HUN=120N+100B=60N=31B30B+71N42B=41N+73B5.035.536.518.752286-27.1
44Zhao, KevinFM2177USA24N+94B12N=74B=76N=89B+104N+86B=33B5.035.037.517.752237+26.8
45Petenyi, TamasIM2260SVK+117N=79B10N+90B=95B33N=76B+69N=41B5.035.036.016.752229-2.3
46Patel, Maahir M2120USA=93N6B+118N38B+115N=51B=60N+49B=40B5.035.036.015.752308+83.2
47Caglar, SilaWIM2280TUR=90N+118B4N+115B18N=58B34N+97B+83N5.034.035.013.502191-18.6
48Atoufi, PedramFM2092IRI26N111B+123N+120B+124N+86B6N15B+80N5.029.029.59.502301+46.8
49Rostomyan, MikayelFM2273ARM+101B23N=88B+61N=11B=14B8N46N+94B4.540.543.518.752239-7.2
50Wang, TedFM2216USA+122N9B+104N=12B=31N11B=53N+74B28N4.539.540.515.252269+13.2
51Xie, BryanIM2348USA+76B+8B23N=59N32B=46N+97B=25NF4.539.039.021.002289-5.4
52Song, EthanFM2250CAN+116B1N=58B=37N41B+88N+61B35N=62B4.538.540.016.502165-18.6
53Wang, Kyle YiwenCM2014USA+42B=95N=26B39N=73B=75N=50B+96N25B4.537.040.519.252295+118.4
54Sevillano, EnricoGM2287USA+41B22N=77B=88N=105B+66N=37B39N=56B4.537.039.519.252232-6.5
55Yue, TariqCM2218USA=13N=5B+100N86B37B61N+113B+84N=57B4.537.039.017.502277+22.4
56Shafer, Logan CCM2206USA+28B29N8N=76B=74N=106B=89N+99B=54N4.536.038.517.752214+0.4
57Keleberda, TymurIM2385CAN58N+97B=64N+103B=70N=34B19N=59B=55N4.536.038.516.752168-48.8
58Guo, Felix2111USA+57B86B=52N35N+92B=47N+75B38N=71B4.535.539.018.752303+84.4
59Padhya SaumilFM2208IND20N+106B+122N=51B38N8B+107N=57N=63B4.535.536.512.752346+29.8
60He, DanielFM2325USA=113B+84N=43B7N+77B41N=46B+72NF4.535.535.518.002244-14.2
61Kona, VidipCM2080USA15N+91B=103N49B=80N+55B52N=75N+92B4.534.537.016.752266+86.4
62Nanugonda, Vishva2067USA31B72N+67B36N=91N+98B+103N=68B=52N4.534.036.516.252174+46.1
63Wen, TommyFM2315USA=84B+113N33B32N97B+85N=77B+88N=59N4.533.035.015.752147-19.0
64Anatol, Luke Leon Robin2120USA14B+116N=57B=87N+109B=95N=38B=37NF4.531.531.514.752353+46.2
65Webster, Dex2112USA9N122B=117N+81B+98N+103B31N+70B27N4.531.032.014.002185+15.4
66Cigan, Jason2117USA=33B92N38N+118B+104N54B91N+98B+86N4.530.531.512.502171+12.8
67Wu, JonathanCM2160CAN18N108B62N+101N+102B74B+90N=89B+104N4.530.032.513.752056-50.4
68Antova, GabrielaFM2237BUL+123NF+92B93B12N=97N=69B=62N+76B4.529.029.013.752204-3.6
69Bartochowski, Nicholas2050USA=27N+38B79N+80B=8N21B=68N45B=70N4.040.044.019.252269+46.2
70Andersen, GunnarFM2265USA+102B=10B93N+84N=57B=23B14N65N=69B4.038.041.017.002211-11.2
71Liu, PatrickFM2211USA=7B=39N5N=106B+107N43B+105N28B=58N4.038.040.514.252295+20.6
72Yang, DanielCM2149USA4N+62B15N=89B+90N=79B=86N60B=74N4.036.540.015.502189+15.2
73Muetsch, AnnmarieWIM2225BEL=5N13B=107N+121B=53N+108B23N=82B43N4.036.537.512.252246+0.8
74Pan, Zachary2051USA=35B109N=78B=44N=56B+67N=96B50N=72B4.035.037.517.502166+47.6
75Pang, Qi2265USA=81N=90B+89N6B=108N=53B58N=61B=77N4.035.037.515.002051-96.8
76Zhou, Ivan2086USA51N36N+110B=56N=44B+111B=45N=80B68N4.035.037.013.752146+30.0
77Sethuraman, Roshan2120USA79N+123B=54N=27B60N=80B=63N=92N=75B4.034.535.013.502218+45.6
78Gaw, ChloeWIM2139USA=6N93B=74N+100B21N=109N40B=115B+89N4.033.535.013.752152+4.0
79Perez Gormaz, MatiasIM2416CHI+77B=45N+69B3N25B=72N+83BFF4.033.033.016.502270-11.3
80Wen, TeddieFM2260USA=99B98N+113B69N=61B=77N+84B=76N48B4.031.533.513.751996-59.0
81Li, Brian Borui1940USA=75B25N28B65N+119N91B+117N=85B+97N4.031.032.09.002116+72.0
82Damaraju, Ashwin2168USA=37B33N=99B=85N=84B+113N=87B=73NF4.030.530.513.752195+8.4
83Bynum, Jacorey2131USA10N+117B30N=104B=89N+124B79N+100N47B4.030.030.57.502105-5.8
84Golsefidy, Sepehr2060USA=63N60B+119N70B=82N+114B80N55B+115N4.029.030.08.752165+47.6
85Liu, Zachary Hankun2018CAN30N+114B111N=82B103N63B+102B=81N+100B4.028.030.012.002086+29.2
86Golubka, PetroGM2377CAN+97B+58N22B+55N2B48N=72B44N66B3.539.542.514.002136-27.6
87Kaplan, Avi HarrisonFM2339USA+94N=24B13N=64B34N+105B=82N36BF3.536.036.013.002188-32.0
88Gadi, Varun2116USA11N+110B=49N=54B27N52B+124N63B=90N3.535.536.09.252132+6.0
89Gui, Suyuan2043USA=109B=35N75B=72N=83B=44N=56B=67N78B3.535.037.514.752122+34.4
90Yang, AimeeWFM2003USA=47B=75N=32B45N72B=92N67B+102N=88B3.534.537.513.502118+45.2
91Jin, Ashton2196USA2B61N=94B=113N=62B+81N+66B40NF3.534.534.513.502110-20.0
92Wang, TianqiIM2359USA=107N+66B68N19B58N=90B+106N=77B61N3.534.036.512.002030-37.4
93Liang, JasonIM2427USA=46B+78N+70B+68N3B7NFFF3.530.530.515.002365-3.4
94Rahul Mynala2082IND87B44N=91N+119B42N+115B36N+124B49N3.529.029.54.752134+22.4
95Wang, IsaacIM2370USA+121N=53B+27N4B=45N=64BFFF3.527.027.013.502268-6.4
96Malpert, Rodney2247USA100N=105B=121N=107B=106N+112B=74N53BF3.522.022.08.252013-96.8
97Ling, ChenxuanCM2099USA86N57N=102B+117B+63N=68B51N47N81B3.033.534.59.252069-12.9
98Coy, Matthew1813USA=119N+80B17B40N65B62N+116B66N=101B3.033.034.07.501986+30.2
99Karthikeyan, Harishkumar1939USA=80N27B=82N42B114N+110B+112N56NF3.029.529.58.502074+43.6
100Sankar, Tarun1870USA+96B43N55B78N112N+118B+114N83B85N3.029.030.06.502016+54.0
101Palathingal, RafaelCM1976USA49N19B=114N67B=117N104B=110N+123B=98N3.026.026.54.751861-47.5
102Vyas, Miransh Purven1966USA70N112B=97N=114B67N+117B85N90B+123N3.024.024.54.001935-15.1
103Vemparala, NikashCM2238USA+104B14N=61B57N+85B65N62BFF2.530.530.58.752029-75.2
104Pulijala, Akshaj1830USA103NF50B=83N66B+101N44B+105N67B2.530.530.57.501997+52.8
105Saxena, Vihaan2098USA12N=96N+42B=124B=54N87N71B104BF2.529.529.59.252090-4.8
106Takahashi, Michael2087USA40B59N+116B=71N=96B=56N92BFF2.526.526.57.502107+1.6
107Baker, Aidan2096USA=92B17N=73B=96N71B+123N59BFF2.526.026.06.002102-0.4
108Kozower, Ethan2075USA21B+67N=35B=109N=75B73NFFF2.525.525.510.252204+18.6
109Rajaram, RohanCM2291USA=89N+74B24N=108B64N=78BFFF2.524.024.09.002098-61.2
110Vega, Isaac1795USA32B88N76NF113B99N=101B+116N+117B2.523.023.04.001878+13.0
111Panda, Vedic2219USA3B+48N+85B16N28B76NFFF2.031.031.09.002169-11.0
112Jammalamadaka, VihaanCM2129USA1B+102N39B28N+100B96N99BFF2.029.529.56.002046-40.0
113Iinuma, Paul Y2067USA=60N63B80N=91B+110N82B55NFF2.027.527.56.502024-8.8
114Yao, Hanchi2150USA16B85N=101B=102N+99B84N100BFF2.026.026.06.001887-100.0
115Hengen, Luke O1938USAFFF47N46B94N+123B=78N84B1.522.022.02.501891-16.4
116Joseph, Veronique1874USA52N64B106N=123B=118N=119B98N110BF1.519.519.51.251761-45.0
117Atoufi, Artin1894USA45B83N=65B97N=101B102N81BF110N1.029.029.03.751713-64.8
118Zhang, Andrew1969USA=25B47N46B66N=116B100NFFF1.024.524.53.501816-46.0
119Kliashtornyi, ArkadiiFM2236UKR=98B7N84B94N81B=116NFFF1.022.522.52.251781-130.4
120Tang, DylanFM2218USA=43B=37N41B48NFFFFF1.020.020.05.002095-28.8
121Eckert, DougFM2099USA95B=42N=96B73NFFFFF1.016.016.04.252090-1.0
122Corrales Jimenez, FidelGM2533USA50B+65N59BFFFFFF1.013.513.54.502061-16.6
123Suthar, Om1825USA68B77N48B=116NF107B115N101N102B0.525.025.00.751592-52.9
124Yeager, DanielFM2280USAFFF=105N48B83N88B94NF0.518.518.51.251738-63.2
125Yanayt, EugeneFM2145USA22B41NFFFFFFF0.010.510.50.001437-16.4

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets