CChessStats

LXXI Campeonato Nacional e Internacional Abierto Mexicano de Ajedrez. Internacional

SwissStandard

110 players participated in this 9-round tournament, held from 31 Mar 2026 to 05 Apr 2026 in QRO, Queretaro, Mexico. 49 titled players from 8 federations. Top 10 Elo average was 2511, and top seed was Jose Eduardo Martinez Alcantara (πŸ‡²πŸ‡½ MEX, GM, 2656).

Jose Eduardo Martinez Alcantara (πŸ‡²πŸ‡½ MEX, GM, 2656) won with 7.5/9, ahead of Jorge Cori (7.5) and Elier Miranda Mesa (6.5). Martinez Alcantara shared the lead from round 1, winning on tie-break.

The biggest upset came in round 1: Mario Antonio Barrios Cruz (1774) beat David Kramar (2200), a +426-point gap.

Location
πŸ‡²πŸ‡½QRO, Queretaro, Mexico
Dates
31 Mar 2026 β†’ 05 Apr 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss Β· 9 rounds
Top seed
πŸ‡²πŸ‡½GMJose Eduardo Martinez Alcantara2656
Avg top 10
2,511
Participants
110
Titled players Β· 49
GMΓ—12
IMΓ—12
FMΓ—13
CMΓ—9
WCMΓ—3
Federations Β· 8 represented
πŸ‡²πŸ‡½MexicoΓ—91
πŸ‡¨πŸ‡ΊCubaΓ—10
πŸ‡¨πŸ‡·Costa RicaΓ—3
πŸ‡ΊπŸ‡ΈUnited States of AmericaΓ—2
FIDE (no federation)Γ—1
πŸ‡¨πŸ‡΄ColombiaΓ—1
πŸ‡΅πŸ‡ͺPeruΓ—1
πŸ‡­πŸ‡ΊHungaryΓ—1
Top 3

How it unfolded

Top 6 Β· 9 rounds

Tight race until R9; 2 players tied at 7.5/9, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 2 at the finish.

Co-leaders
41
17
7
2
1
1
1
1
2
2.54.579R1R2R3R4R5R6R7R8R9
R9 Β· TIEBREAK CLUSTER

2 players finish on 7.5/9. Martinez Alcantara takes the title on Buchholz Cut1 (49.0).

R6 Β· HEAD-TO-HEAD Β· WINNER VS 2ND

GM Jorge Cori drew with GM Jose Eduardo Martinez Alcantara (Black).

WIN STREAKS Β· 2 top finishers

GM Jorge Cori 3 wins (R1–R3)GM Jose Eduardo Martinez Alcantara 5 wins (R1–R5)

Key matchups Β· top 4

Head-to-head between the four finishers
Player1234
1GMJorge Cori*
Β½
β€”β€”
2GMJose Eduardo Martinez Alcantara
Β½
*β€”β€”
3IMLeonardo Valdes Romeroβ€”β€”*β€”
4IMAugusto Cesar Campos Jimenezβ€”β€”β€”*

Grille amΓ©ricaine

#PlayerEloFedR1R2R3R4R5R6R7R8R9PtsBu C1BuSBPerfΞ”
1Martinez Alcantara, Jose EduardoGM2656MEX+95N+28B+14N+20B+9N=2B=4N+11B=3N7.549.051.541.252665+4.1
2Cori, JorgeGM2605PER+43B+59N+26B=38N+10B=1N=19B+21N+22B7.544.048.039.252676+8.4
3Miranda Mesa, ElierGM2445CUB+32B+35N=42B=27N+15B=19N+12B=7N=1B6.546.551.036.502471+5.0
4Galaviz Medina, Sion RadamantysGM2514MEX+73B=29N=27B+23N+17B=13N=1B=10N+42B6.545.549.034.252488-0.9
5Berdayes Ason, Dylan IsidroGM2462CUB+65N=12B+44N+21B=38N=14B=30N+16B=6N6.544.048.034.002426-1.8
6Perez Rodriguez, Cesar AlejandroFM2395CUB+75B+41N+49Bβˆ’9Nβˆ’12B+85N+29B+13N=5B6.542.045.029.752407+9.0
7Campos Jimenez, Augusto CesarIM2283CUB=74B=60N+57B+58N+22N=9B+38N=3B=26B6.539.543.030.502375+14.5
8Valdes Romero, LeonardoIM2325CRC+86B=31N=72B=41N+71N+40Bβˆ’11N+39B+19B6.537.540.528.002306+1.0
9Gonzalez Zamora, Juan CarlosGM2466MEX+77N+16B+25N+6Bβˆ’1B=7N=10B=26N=21B6.048.552.033.002453-0.3
10Jimenez Garcia, EmmanuelIM2332CRC+54N+33B+11N=22Bβˆ’2N+28B=9N=4B=15N6.047.551.532.002459+16.6
11Martinez Duany, Lelys StanleyGM2460CUB+94B+23Nβˆ’10B+18N=29B+27N+8Bβˆ’1N=12B6.047.550.531.502407-4.5
12Varela Velazquez, Carlos FranciscoFM2210MEX+53B=5N=19B+103N+6N=38Bβˆ’3N+20B=11N6.045.047.029.252500+68.0
13Sandoval Mercado, CarlosIM2426MEX+104N+30B=40N=15B+16N=4B=14Nβˆ’6B+44N6.045.046.528.502373-4.1
14Hidalgo Diaz, DanielIM2362CUB+76B+48Nβˆ’1B+24N+72B=5N=13B=19N=27B6.044.047.528.502411+7.8
15Benitez Lozano, JavierFM2267MEX+64B=19N+31B=13Nβˆ’3N=39B+80B+66N=10B6.041.545.027.502331+18.2
16Florez Salazar, Luis AngelFM2244COL+79Bβˆ’9N+76B+43Nβˆ’13B+72N+17Bβˆ’5N+33B6.041.044.526.002290+15.4
17Montes Orozco, Miguel AngelFM2298MEX+56N+85Bβˆ’20N+39Bβˆ’4N+43Bβˆ’16N+40B+30N6.040.543.525.502273-1.4
18Kramar, David2200HUNβˆ’96N+87B+90Nβˆ’11B+56N+53B=20N=28B+72N6.034.036.522.752177+4.0
19Quesada Perez, Luis ErnestoGM2551MEX+34N=15B=12N+66B+45N=3B=2N=14Bβˆ’8N5.548.052.029.502396-14.6
20Hernandez Guerrero, GilbertoGM2407MEX+57B+24N+17Bβˆ’1N=27B=29N=18Bβˆ’12N+40B5.545.549.528.002316-8.6
21Torres Rosas, Luis CarlosIM2302MEXF+68B+69Nβˆ’5N+36B+41N+62Bβˆ’2B=9N5.541.541.524.502383+21.0
22Espinosa Veloz, ErmesGM2479CUBF+81N+78B=10Nβˆ’7B+46N+59B+30Bβˆ’2N5.540.540.523.502388-6.1
23Morales Garcia, Sergio JoshafattFM2228MEX+67Nβˆ’11B+104Nβˆ’4B+32N=34B+55N+38BF5.540.041.521.502270+12.8
24Gonzalez Arroyo, LeninFM2124MEX+70Nβˆ’20B+56Nβˆ’14Bβˆ’53N+87B+57N=45B+47N5.536.539.521.752070-5.8
25Avila Rodriguez, Joshua AdrianFM2307MEX+83B+58Nβˆ’9Bβˆ’72N=73B+37Nβˆ’48B+74N+39B5.534.538.022.252126-33.2
26Diaz Rosas, Julio CesarIM2370MEXF+39Bβˆ’2N=30B=40N+33B+45N=9B=7N5.043.546.025.002338-1.9
27Garcia de Dios, Jose AntonioCM2257MEX+61N+62B=4N=3B=20Nβˆ’11B+85BF=14N5.043.046.023.252408+33.6
28Zacarias Rodriguez, SantiagoFM2276MEX+63Bβˆ’1N=75B+37N+80Bβˆ’10N+36B=18NF5.042.546.022.252212-18.0
29Otero Acosta, DiasmanyIM2268CUB+52N=4B+97N=62B=11N=20Bβˆ’6Nβˆ’33B+55N5.042.044.522.002256+1.3
30Diaz Guerrero, Jesus DanielCM2135MEX+100Bβˆ’13N+74B=26N+47B+42N=5Bβˆ’22Nβˆ’17B5.041.544.020.752241+43.2
31Magana Morales, Roberto2006MEX+50N=8Bβˆ’15N+68Bβˆ’62Nβˆ’55B+56N=54B+61N5.037.041.021.752046+4.4
32Vega Lezama, Maximo Fernando1931MEXβˆ’3N=89B+61N=44Bβˆ’23B+63N+92B=46N=35B5.037.040.019.502061+27.0
33Cortes Rodriguez, Marco Octavio Johnatan2007MEX+88Bβˆ’10N=47B=81N+74Bβˆ’26N+86B+29Nβˆ’16N5.036.539.518.502065+12.6
34Lopez Garcia, Miguel Angel1985MEXβˆ’19B+63N+107B=59N=78B=23N+41Bβˆ’42N=46B5.036.037.018.252171+69.2
35Rascon Vega, Alfonso2151MEX+89Nβˆ’3Bβˆ’54N=82B=87N=56B+68N+73B=32N5.033.536.518.251980-35.8
36Guzman Garcia, Mia FernandaWCM1999MEX=98Nβˆ’97B+50N+102Bβˆ’21N+54Bβˆ’28N=55B+53N5.032.034.017.751937-21.2
37Hernandez Elizondo, CarlosCM1974MEXβˆ’62N=61B+89Nβˆ’28B+82Nβˆ’25B=102N+87B+88N5.031.033.015.501997+2.4
38Cori Quispe, Kevin JoelGM2450MEX+55N+46B+45N=2B=5B=12Nβˆ’7Bβˆ’23NF4.545.045.023.002329-10.4
39Esquivel San Agustin, Dieg2050MEX+51Bβˆ’26N+92Bβˆ’17N+60B=15N+49Bβˆ’8Nβˆ’25N4.542.045.019.002129+18.6
40Salinas Cardenas, Rodrigo SalvadorCM2107MEX+47B+103N=13B=42N=26Bβˆ’8N+64Bβˆ’17Nβˆ’20N4.542.044.018.252227+55.6
41Cortes Medina, FernandoCM2058MEX+108Nβˆ’6B+67N=8B+54Nβˆ’21Bβˆ’34N=69B=60N4.539.540.516.252021-17.2
42Battey, AlexanderIM2322USAF+80B=3N=40B=85Nβˆ’30B+44N+34Bβˆ’4N4.538.538.520.002212-9.1
43Ruiz Ortiz, Gabriel Abraham1988MEXβˆ’2N+82B+109Nβˆ’16B+103Bβˆ’17Nβˆ’60B=79N+64B4.536.537.512.252032+2.8
44Tovar Ochoa, Cristopher IanCM2179MEXF+91Nβˆ’5B=32N+76B+58Nβˆ’42B+78Nβˆ’13B4.536.036.016.502161-2.4
45Gutierrez Delgado, Yusuan A.FM2291CUB+93B+105Nβˆ’38B+48Nβˆ’19B+78Nβˆ’26B=24Nβˆ’71N4.535.537.015.252158-13.2
46Estrada Nieto, JulianIM2161MEX+84Bβˆ’38NF=54B+90Nβˆ’22B+47N=32B=34N4.535.035.018.002064-7.9
47Cardenas Uribe, Mateo1681MEXβˆ’40N+101B=33N+77Bβˆ’30N+95Bβˆ’46B+58Nβˆ’24B4.534.537.015.002021+136.0
48Castellanos Hernandez, Emilio Agustin2037MEX+106Nβˆ’14B+96Nβˆ’45B+99N=66B+25NFF4.534.535.513.502160+20.2
49Gonzalez Zharikov, AndreyFM2287MEX+87N+96Bβˆ’6Nβˆ’85B=55N+65Bβˆ’39N+60BF4.533.536.015.502043-40.4
50Damian Vazquez, Sergio0MEXβˆ’31B+86Nβˆ’36B+93Nβˆ’58B+76Nβˆ’72B=75N+94B4.530.533.514.2519550.0
51Flores Duran, Joel1669MEXβˆ’39Nβˆ’54B+52N=104B+68Nβˆ’73N=75B+95B=69N4.530.532.015.501936+114.4
52Canales Chinchilla, VictoriaWCM1819CRCβˆ’29Bβˆ’73Nβˆ’51B+106Nβˆ’92B=105N+98B+97N+75B4.526.027.010.251763-14.8
53Mendoza Reyes, Fernando1776MEXβˆ’12Nβˆ’55B+86B+57N+24Bβˆ’18N=58B=80Nβˆ’36B4.038.041.016.251978+42.2
54Magana Morales, David1892MEXβˆ’10B+51N+35B=46Nβˆ’41Bβˆ’36N+97B=31Nβˆ’80B4.038.040.516.751949+12.2
55Agama Hernandez, Luis FernandoCM1936MEXβˆ’38B+53Nβˆ’59B+92N=49B+31Nβˆ’23B=36Nβˆ’29B4.037.540.516.752063+47.6
56Yanez Melendez, Carlos Arturo1872MEXβˆ’17B+88Nβˆ’24B+107Nβˆ’18B=35Nβˆ’31B+91N=58B4.037.538.511.501940+16.8
57Tun Pinzon, Oscar Mauricio1910MEXβˆ’20N+70Bβˆ’7Nβˆ’53B+97N+67Bβˆ’24B+84Nβˆ’78B4.036.539.014.001888-8.2
58Garcia Ibarra, David Fernando1992MEX+107Nβˆ’25B+99Nβˆ’7B+50Nβˆ’44B=53Nβˆ’47B=56N4.036.037.012.001743-37.0
59Lopez Raygoza, Luis AlbertoFM2283MEX+82Nβˆ’2B+55N=34B+95N=62Bβˆ’22NFF4.035.535.514.502242-3.0
60Contreras Cardona, Alfredo Ignacio1869MEXF=7Bβˆ’66N+88Bβˆ’39N+77B+43Nβˆ’49N=41B4.035.035.016.502057+69.6
61Vallejo Loya, Martin Guillermo1788MEXβˆ’27B=37Nβˆ’32B=84N+100B+81Nβˆ’78B+86Nβˆ’31B4.033.536.013.251881+14.6
62Obregon Rivero, Juan CarlosGM2463MEX+37Bβˆ’27N+73B=29N+31B=59Nβˆ’21NFF4.033.033.018.002236-17.2
63Mendoza Osorio, Ernesto1826MEXβˆ’28Nβˆ’34B+106N=65B=69Nβˆ’32Bβˆ’77N+89B+90N4.032.533.511.001890+13.2
64Morales Quezada, Jose Guad1791MEXβˆ’15N=77B+94Nβˆ’95B+104N+71Bβˆ’40N=85Bβˆ’43N4.031.032.511.751971+39.2
65Montijo Razo, Belarminio Enrique1969MEXβˆ’5B+79Nβˆ’103B=63N+91Bβˆ’49Nβˆ’74B+96N=92B4.030.532.512.501938-12.2
66Herrera Ortiz, MiguelIM2187MEXF=74N+60Bβˆ’19N+81B=48N+73Bβˆ’15BF4.030.530.515.002117-10.8
67Salas Estrada, Ana PaolaWCM1777MEXβˆ’23B+94Nβˆ’41Bβˆ’73N+84Bβˆ’57Nβˆ’81B+105N+101B4.030.031.510.501873+20.2
68Reyes Estevane, Rogelio1883MEXFβˆ’21N+110Bβˆ’31Nβˆ’51B+91Nβˆ’35B+99N+79B4.030.030.010.001836-10.0
69Flores Teillery, Alejandro FranciscoCM1977MEXF+110Nβˆ’21Bβˆ’78N=63B=74N+96B=41N=51B4.029.029.011.751893-15.6
70Hernandez Hernandez, Pedro1683MEXβˆ’24Bβˆ’57N=83Bβˆ’91N+101B=93Nβˆ’76B+106N+86B4.028.029.09.751837+34.0
71Mendoza Gandara, Jose David2003MEXFFF+75Nβˆ’8Bβˆ’64N+79B+83N+45B4.027.027.015.002119+16.8
72Macias Martinez, Gilberto Xallo2100MEXF+98B=8N+25Bβˆ’14Nβˆ’16B+50NFβˆ’18B3.541.041.015.752139+4.0
73Hernandez Torres, Paulo De Jesus1980MEXβˆ’4N+52Bβˆ’62N+67B=25N+51Bβˆ’66Nβˆ’35NF3.538.041.515.752041+7.6
74Mendoza De La Torre, Eduardo Enri1839MEX=7N=66Bβˆ’30N+109Bβˆ’33N=69B+65Nβˆ’25BF3.537.538.512.252006+23.4
75Telles Fukushima, Karla Akemi1904MEXβˆ’6N+108B=28Nβˆ’71Bβˆ’102N+89B=51N=50Bβˆ’52N3.534.035.011.001819-41.0
76Saldana Subias, Santiago1897MEXβˆ’14N+106Bβˆ’16N+96Bβˆ’44Nβˆ’50B+70Nβˆ’88B=100N3.533.034.08.751882-14.0
77Juarez Solis, Jesus Santos1978MEXβˆ’9B=64N+91Bβˆ’47N=83Bβˆ’60N+63B=92NF3.532.535.512.251832-32.8
78Lozano Garay, David Rey2101MEXFFβˆ’22N+69B=34Nβˆ’45B+61Nβˆ’44B+57N3.531.531.514.502087-6.8
79Arias Perez, Eduardo1782MEXβˆ’16Nβˆ’65B=101N=98B+109N+90Bβˆ’71N=43Bβˆ’68N3.530.531.58.751818+3.4
80Silva Hernandez, Jose Luis1994MEXFβˆ’42NF+97Bβˆ’28N+102Bβˆ’15N=53B+54N3.530.530.510.501987-1.4
81Briones Valdes, Alejandro1929MEXFβˆ’22B+98N=33Bβˆ’66Nβˆ’61B+67N+102BF3.530.030.011.001921-4.8
82Hernandez Gomez, Hector Gael1837MEXβˆ’59Bβˆ’43N+100B=35Nβˆ’37Bβˆ’97Nβˆ’88B+98N+99B3.529.031.510.001533-75.2
83Vega Castaneda, Ulises Antonio1873MEXβˆ’25Nβˆ’99B=70N+89B=77N=96B+95Nβˆ’71BF3.528.531.010.501918+6.4
84Alonso Quintero, Brandon1730MEXβˆ’46Nβˆ’104B=87N=61Bβˆ’67N+98B+90Nβˆ’57B=102N3.527.028.510.001742+0.8
85Hernandez Flores, Jesus1992MEXFβˆ’17N+105B+49N=42Bβˆ’6Bβˆ’27N=64NF3.035.535.510.252087+13.2
86Paniagua Belmonte, Ramon1883MEXβˆ’8Nβˆ’50Bβˆ’53N+108B+88N+99Bβˆ’33Nβˆ’61Bβˆ’70N3.033.534.56.501679-40.2
87Vega Castaneda, Luis CarlosCM1843MEXβˆ’49Bβˆ’18N=84B+110N=35Bβˆ’24N+107Bβˆ’37NF3.033.534.56.251831-7.0
88Gonzalez Garcia, Edwin Matias1655MEXβˆ’33Nβˆ’56BFβˆ’60Nβˆ’86B+94B+82N+76Nβˆ’37B3.031.031.010.001824+59.6
89Jimenez Gutierrez, Alberto1728MEXβˆ’35B=32Nβˆ’37Bβˆ’83N+107Bβˆ’75N=105Bβˆ’63N+108B3.028.529.55.251672-28.0
90Elizarraraz Ibarra, Juan Jose1909MEXβˆ’103B+100Nβˆ’18B+105Nβˆ’46Bβˆ’79Nβˆ’84B+107Nβˆ’63B3.027.528.55.001637-91.2
91Angeles Dorantes, Leon Felipe1812MEXFβˆ’44Bβˆ’77N+70Bβˆ’65Nβˆ’68B+109Nβˆ’56B+96N3.027.527.57.501747-14.2
92Robles Sanchez, Fausto1772MEXFFβˆ’39Nβˆ’55B+52N+104Bβˆ’32N=77B=65N3.027.027.09.751894+21.0
93Jimenez Jimenez, Dante Edgar1867MEXβˆ’45Nβˆ’95B+108Nβˆ’50B=98N=70B=99N=100BF3.026.027.06.751815-8.2
94Lopez Michelone, ManuelFM1948MEXβˆ’11Nβˆ’67Bβˆ’64Bβˆ’100N+106Bβˆ’88N+110B+108Nβˆ’50N3.026.027.03.001733-38.8
95Vergara, Mitchell S1990USAβˆ’1B+93NF+64Nβˆ’59Bβˆ’47Nβˆ’83Bβˆ’51N=97B2.533.533.58.251753-98.8
96Barrios Cruz, Mario Antonio1774MEX+18Bβˆ’49Nβˆ’48Bβˆ’76N+105B=83Nβˆ’69Nβˆ’65Bβˆ’91B2.533.034.59.251781-7.6
97Espinosa Miranda, Carlo Guillermo1596MEXF+36Nβˆ’29Bβˆ’80Nβˆ’57B+82Bβˆ’54Nβˆ’52B=95N2.532.032.09.751788+58.8
98Reyes Alba, Carlos Andres1600MEX=36Bβˆ’72Nβˆ’81B=79N=93Bβˆ’84Nβˆ’52Nβˆ’82B+107B2.530.031.06.7516320.0
99Hernandez Santiago, Ricardo Elias0MEXF+83Nβˆ’58B+101Nβˆ’48Bβˆ’86N=93Bβˆ’68Bβˆ’82N2.529.031.57.5017680.0
100Corvera Zamora, Adrian0MEXβˆ’30Nβˆ’90Bβˆ’82N+94Bβˆ’61N=109BF=93N=76B2.526.527.56.7517540.0
101Escobar Alfaro, Salvador1901MEXFβˆ’47N=79Bβˆ’99Bβˆ’70N=110N=106B+109Bβˆ’67N2.525.526.53.751494-61.4
102Benitez Diaz, Francisco Javier1779MEXFFFβˆ’36N+75Bβˆ’80N=37Bβˆ’81N=84B2.024.024.07.751797+2.0
103Lopez Gonzalez, Abel FabianIM2396CUB+90Nβˆ’40B+65Nβˆ’12Bβˆ’43NFFFF2.022.022.07.001989-23.4
104Hidalgo Rios, Manuel1928MEXβˆ’13B+84Nβˆ’23B=51Nβˆ’64Bβˆ’92NFFF1.529.029.05.751727-34.0
105Munoz Padilla, Andres1611MEXFβˆ’45Bβˆ’85Nβˆ’90Bβˆ’96N=52B=89Nβˆ’67B=110N1.528.529.54.251563-24.0
106Gaytan Aguirre, Erik Danie1695MEXβˆ’48Bβˆ’76Nβˆ’63Bβˆ’52Bβˆ’94NF=101Nβˆ’70B=109N1.027.027.01.751451-58.4
107Marcos Garcia, Francisco0MEXβˆ’58BFβˆ’34Nβˆ’56Bβˆ’89N+108Bβˆ’87Nβˆ’90Bβˆ’98N1.025.525.51.0015480.0
108De La O Montalvo, Jose Francisco1669MEXβˆ’41Bβˆ’75Nβˆ’93Bβˆ’86N+110Bβˆ’107NFβˆ’94Bβˆ’89N1.022.022.01.001532-43.2
109Moreno Zepeda, Daniel0FIDFFβˆ’43Bβˆ’74Nβˆ’79B=100Nβˆ’91Bβˆ’101N=106B1.020.520.51.7514350.0
110Miguel Torres, Emiliano1498MEXFβˆ’69Bβˆ’68Nβˆ’87Bβˆ’108N=101Bβˆ’94NF=105B1.019.019.02.001505-2.4

Key insights

Biggest movers and upsets β€” the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets
LXXI Campeonato Nacional e Internacional Abierto Mexicano de Ajedrez. Internacional (2026) β€” QRO, Queretaro, Mexico | Chess Tournament Results | ChessStats