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Olimpiada Nacional 2025. Sub 20 Femenil. Estandar

Open SwissStandard

32 players participated in this 6-round tournament, held from 11 Jul 2025 to 13 Jul 2025 in PUE, Puebla, Mexico. 8 titled players. Top 10 Elo average was 1888, and top seed was Paula Sofia Hernandez Diaz (πŸ‡²πŸ‡½ MEX, WFM, 2007).

Paula Sofia Hernandez Diaz (πŸ‡²πŸ‡½ MEX, WFM, 2007) won with 5.0/6, ahead of Lhia Itzayana Castellanos Hernandez (5.0) and Erin Huerta Osorno (4.5). Hernandez Diaz took the lead from round 5, winning on tie-break.

The biggest upset came in round 4: Astrid Paredes Caballero (1678) beat Elizabeth Schahrazad Diaz Bartolo (WFM, 1979), a +301-point gap.

Location
πŸ‡²πŸ‡½PUE, Puebla, Mexico
Dates
11 Jul 2025 β†’ 13 Jul 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss Β· 6 rounds
Top seed
πŸ‡²πŸ‡½WFMPaula Sofia Hernandez Diaz2007
Avg top 10
1,888
Participants
32
Titled players Β· 8
WFMΓ—2
WCMΓ—6
Federations Β· 1 represented
πŸ‡²πŸ‡½MexicoΓ—32
Top 3

How it unfolded

Top 6 Β· 6 rounds

Tight race until R5; 2 players tied at 5.0/6, decided on Buchholz.

Co-leaders
13
4
2
1
1
2
1.534.56R1R2R3R4R5R6Hernandez Diaz takes lead
Hernandez Diaz5Castellanos Hernandez5Huerta Osorno4.5Hernandez Ortega4.5Guillen Moreno4Olea Valle4β€” ex-leaders:Conde Maresled R4, #7
R5 Β· LEADER CHANGE13 Jul

WFM Paula Sofia Hernandez Diaz takes the sole lead (4.5/5).

R6 Β· TIEBREAK CLUSTER

2 players finish on 5.0/6. Hernandez Diaz takes the title on Buchholz Cut1 (19.5).

WIN STREAKS Β· 3 top finishers

WFM Paula Sofia Hernandez Diaz 3 wins (R3–R5)WCM Lhia Itzayana Castellanos Hernandez 4 wins (R3–R6)Erin Huerta Osorno 3 wins (R1–R3)

Key matchups Β· top 4

Head-to-head between the four finishers
Player1234
1WFMPaula Sofia Hernandez Diaz*β€”
Β½
1
2WCMLhia Itzayana Castellanos Hernandezβ€”*β€”β€”
3Erin Huerta Osorno
Β½
β€”*β€”
4WCMCarolina Hernandez Ortega
0
β€”β€”*

Grille amΓ©ricaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΞ”
1Hernandez Diaz, Paula SofiaWFM2007MEX+24B=14N+4B+9N+5N=3B5.019.522.018.252060+7.2
2Castellanos Hernandez, Lhia ItzayanaWCM1918MEX+25Nβˆ’18B+22N+10B+12N+5B5.015.518.015.502006+11.8
3Huerta Osorno, Erin1812MEX+30B+12N+18Nβˆ’5B+6N=1N4.518.520.013.501986+54.0
4Hernandez Ortega, CarolinaWCM1851MEX=15N+11Bβˆ’1N+13B+19N+10B4.518.020.514.001960+18.0
5Conde Mares, Vanya BriseydaWCM1839MEX+29N+28B+13N+3Nβˆ’1Bβˆ’2N4.019.521.511.501970+41.6
6Olea Valle, Scarlett DanielaWCM1921MEXβˆ’12B+21N+16B+18Nβˆ’3B+13N4.016.018.511.001854-18.4
7Guillen Moreno, Karina Guadalupe1842MEX=21B+19Nβˆ’9B=20N+11B+12B4.015.017.511.501788-15.6
8Diaz Bartolo, Elizabeth SchahrazadWFM1979MEX+23Nβˆ’13B+20Bβˆ’12N+18B+14N4.014.016.510.501874-28.0
9Cruz Martinez, Adriana Jasmin1707MEX=11N+15B+7Nβˆ’1Bβˆ’10N+19B3.519.021.511.251822+36.8
10Tec Rodas, Sofia IsavelinaWCM1849MEX+16B=20N+14Bβˆ’2N+9Bβˆ’4N3.519.021.510.751829-4.0
11Cruz Lopez, Ariana Itzel1661MEX=9Bβˆ’4N+21B+17Bβˆ’7N+23B3.517.520.09.751818+52.4
12Paredes Caballero, Astrid1678MEX+6Nβˆ’3B+28N+8Bβˆ’2Bβˆ’7N3.021.523.510.001877+60.0
13Garcia Ortega, Natalia BelenWCM1850MEX+32B+8Nβˆ’5Bβˆ’4N+20Bβˆ’6B3.019.019.57.001816-10.4
14Velarde Hernandez, Paulina Yunuen1827MEX+22N=1Bβˆ’10N=23B+28Nβˆ’8B3.017.519.58.251826-0.4
15Jarillo Gonzalez, Andrea Paulina1704MEX=4Bβˆ’9N+27Bβˆ’19N+31B=17B3.016.017.57.751613-13.0
16Morales Vasquez, Miguelina Malinalli1615MEXβˆ’10N+26Bβˆ’6N=22B=25N+28B3.015.017.07.001725+32.0
17Garza Cantu, Sheryl Paulina1760MEXβˆ’19B+30N=31Bβˆ’11N+27B=15N3.013.014.56.251542-58.0
18Sotelo Anguiano, Daniela1719MEX+31N+2Nβˆ’3Bβˆ’6Bβˆ’8N=26B2.520.021.57.751725-0.4
19Bahena Tello, Tania Quetzalli1525MEX+17Nβˆ’7B=23N+15Bβˆ’4Bβˆ’9N2.518.020.57.251706+50.0
20Gonzalez Romo, Greshya Jocelyn1711MEX+26N=10Bβˆ’8N=7Bβˆ’13N=25B2.517.019.57.501725+1.4
21Tecuautzin Nonoal, Mariel Yared1694MEX=7Nβˆ’6Bβˆ’11N=26B+22N=24N2.516.519.07.001645-18.0
22Pantaleon Salmoran, Atzin Yaretzi1625MEXβˆ’14B+24Nβˆ’2B=16Nβˆ’21B+30N2.516.017.55.501666+4.8
23Leal Ruiz, Rayda Elisa1708MEXβˆ’8B+32N=19B=14N=24Bβˆ’11N2.515.516.04.501654-20.4
24Ginez Serrano, Vania1685MEXβˆ’1Nβˆ’22B=26N+29B=23N=21B2.515.017.05.751643-17.2
25Diaz Gonzalez Jardon, Shirel1685MEXβˆ’2Bβˆ’31N+30B=27N=16B=20N2.514.516.05.501612-22.4
26Aroche Ramos, Danae Guadalupe1477MEXβˆ’20Bβˆ’16N=24B=21N+32B=18N2.513.013.54.251612+39.2
27Rosas Rodriguez, Evelin Guadalupe0MEXβˆ’28N+29Bβˆ’15N=25Bβˆ’17N+32B2.512.513.03.7516470.0
28Castillo Vallejo, Kimberly1788MEX+27Bβˆ’5Nβˆ’12B+31Nβˆ’14Bβˆ’16N2.015.517.04.001468-40.2
29Sarabia Arguello, Wendy1690MEXβˆ’5Bβˆ’27N=32Bβˆ’24N=30N+31B2.012.012.52.501586-14.6
30Santos Reyes, Alba Miranda1595MEXβˆ’3Nβˆ’17Bβˆ’25N+32N=29Bβˆ’22B1.514.515.01.501502-28.4
31Ramirez Sarapura, Sara Johanna1580MEXβˆ’18B+25B=17Nβˆ’28Bβˆ’15Nβˆ’29N1.513.015.04.001532-14.4
32Alpizar Rios, Gabriela Alheli1590MEXβˆ’13Nβˆ’23B=29Nβˆ’30Bβˆ’26Nβˆ’27N0.512.514.01.001299-60.8

Key insights

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

Top rating gainers
Top rating losers
Biggest upsets
Olimpiada Nacional 2025. Sub 20 Femenil. Estandar β€” PUE, Puebla, Mexico | Chess Tournament Results | ChessStats