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Olimpiada Nacional 2026. Region II. Sub 20 Fem

Open SwissStandard

10 players participated in this 5-round tournament, held from 18 Mar 2026 to 20 Mar 2026 in ZAC, Zacatecas, Mexico. Top 10 Elo average was 1519, and top seed was Scarlett Daniela Olea Valle (πŸ‡²πŸ‡½ MEX, 1973).

Scarlett Daniela Olea Valle (πŸ‡²πŸ‡½ MEX, 1973) won with 4.5/5, ahead of Paola Cristal Ramos Puga (3.5) and Greshya Jocelyn Gonzalez Romo (3.0). Olea Valle won solo starting round 3.

The biggest upset came in round 1: Paola Cristal Ramos Puga (1588) beat Erin Huerta Osorno (1846), a +258-point gap.

Location
πŸ‡²πŸ‡½ZAC, Zacatecas, Mexico
Dates
18 Mar 2026 β†’ 20 Mar 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss Β· 5 rounds
Top seed
πŸ‡²πŸ‡½Scarlett Daniela Olea Valle1973
Avg top 10
1,519
Participants
10
Federations Β· 1 represented
πŸ‡²πŸ‡½MexicoΓ—9
Top 3

How it unfolded

Top 6 Β· 5 rounds

Scarlett Daniela Olea Valle led from R3; +1.0-point edge over the runner-up.

Co-leaders
5
3
1
1
1
1.52.545R1R2R3R4R5
Olea Valle4.5Ramos Puga3.5Gonzalez Romo3Gonzalez Castro3Huerta Osorno3Gutierrez Lopez2.5
R3–R5 Β· LEAD HELD

Scarlett Daniela Olea Valle never relinquished the lead after R3; final gap +1.0 over the runner-up.

R3 Β· HEAD-TO-HEAD Β· WINNER VS 2ND

Scarlett Daniela Olea Valle beat Paola Cristal Ramos Puga (Black).

R1–R4 Β· WIN STREAK

Scarlett Daniela Olea Valle won 4 in a row (R1–R4).

Key matchups Β· top 4

Head-to-head between the four finishers
Player1234
1Scarlett Daniela Olea Valle*
1
1
β€”
2Paola Cristal Ramos Puga
0
*
Β½
1
3Greshya Jocelyn Gonzalez Romo
0
Β½
*
1
4Isis Gonzalez Castroβ€”
0
0
*

Grille amΓ©ricaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΞ”
1Olea Valle, Scarlett Daniela1973MEX+9N+7B+2N+3B=4N4.511.513.011.502073+17.6
2Ramos Puga, Paola Cristal1588MEX+4N+9Bβˆ’1B+5N=3N3.513.515.09.001939+88.8
3Gonzalez Romo, Greshya Jocelyn1739MEX+6N+5B=7Nβˆ’1N=2B3.013.515.58.251758+3.0
4Huerta Osorno, Erin1846MEXβˆ’2B=8N+10B+7N=1B3.012.012.05.251685-15.2
5Gonzalez Castro, Isis1698MEX+10Nβˆ’3N+6Bβˆ’2B+9N3.010.510.54.001629-14.8
6Gutierrez Lopez, Madelin1496MEXβˆ’3B+10Nβˆ’5N+8B=7B2.510.010.03.001567+12.4
7Dominguez Martinez, Paola Irali1647MEX+8Bβˆ’1N=3Bβˆ’4B=6N2.013.015.04.751640-11.2
8Muniz Flores, Citlalli Marian1508MEXβˆ’7N=4B=9Nβˆ’6N+10B2.09.09.02.251484-7.2
9Sanchez Oyervidez, Gina Mariana1696MEXβˆ’1Bβˆ’2N=8B+10Nβˆ’5B1.513.013.01.001370-61.2
10FIDE 5500228730β€”βˆ’5Bβˆ’6Bβˆ’4Nβˆ’9Bβˆ’8N0.010.512.00.008480.0

Key insights

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

Top rating gainers
Top rating losers
Biggest upsets
Olimpiada Nacional 2026. Region II. Sub 20 Fem β€” ZAC, Zacatecas, Mexico | Chess Tournament Results | ChessStats