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Campeonato Nacional Categorias Menores Pares 2026 U12 Femenino

Open SwissStandard

12 players participated in this 7-round tournament, held from 20 Feb 2026 to 22 Feb 2026 in San Jose, Costa Rica. 1 titled players. Top 10 Elo average was 447, and top seed was Ana Maria Corrales Corrales (πŸ‡¨πŸ‡· CRC, 1582).

Elena Fernandez Mayorga (πŸ‡¨πŸ‡· CRC, WCM, 1414) won with 6.0/7, ahead of Ana Maria Corrales Corrales (5.5) and Keilym Francinnie Duran Araya (4.5). Fernandez Mayorga won solo starting round 3.

Location
πŸ‡¨πŸ‡·San Jose, Costa Rica
Dates
20 Feb 2026 β†’ 22 Feb 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss Β· 7 rounds
Top seed
πŸ‡¨πŸ‡·Ana Maria Corrales Corrales1582
Avg top 10
447
Participants
12
Titled players Β· 1
WCMΓ—1
Federations Β· 1 represented
πŸ‡¨πŸ‡·Costa RicaΓ—7
Top 3

How it unfolded

Top 6 Β· 7 rounds

WCM Elena Fernandez Mayorga led from R3; +0.5-point edge over the runner-up.

Co-leaders
7
3
1
1
1
1
1
23.55.57R1R2R3R4R5R6R7
Fernandez Mayorga6Corrales Corrales5.5Duran Araya4.5Toro Jimenez4.5Acuna Porras4.5Segura Villavicencio4
R3–R7 Β· LEAD HELD

WCM Elena Fernandez Mayorga held the sole lead from R3 through R7 without losing it.

R6 Β· HEAD-TO-HEAD Β· WINNER VS 2ND

WCM Elena Fernandez Mayorga drew with Ana Maria Corrales Corrales (White).

WIN STREAKS Β· 2 top finishers

WCM Elena Fernandez Mayorga 5 wins (R1–R5)Ana Maria Corrales Corrales 4 wins (R2–R5)

Key matchups Β· top 4

Head-to-head between the four finishers
Player1234
1WCMElena Fernandez Mayorga*
Β½
1
Β½
2Ana Maria Corrales Corrales
Β½
*
0
1
3Keilym Francinnie Duran Araya
0
1
*
0
4Samantha Camila Toro Jimenez
Β½
0
1
*

Grille amΓ©ricaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΞ”
1Fernandez Mayorga, ElenaWCM1414CRC+7N+9B+6N+4B+3N=2B=5N6.027.029.024.0015180.0
2Corrales Corrales, Ana Maria1582CRCβˆ’3B+8N+10B+5N+7B=1N+6B5.526.528.521.002216+11.2
3Duran Araya, Keilym Francinnie0CRC+2N=4B+?N+?Bβˆ’1Bβˆ’5N+7B4.524.524.511.7516000.0
4Acuna Porras, Ariana0CRC+?B=3N+5Bβˆ’1Nβˆ’6B+8N+?B4.522.522.510.256160.0
5Toro Jimenez, Samantha Camila0CRC+?N+?Bβˆ’4Nβˆ’2B+?N+3B=1B4.520.520.57.507800.0
6Serrano Fonseca, Rachel Nicole1478CRC+12N+11Bβˆ’1Bβˆ’7N+4N+9Bβˆ’2N4.023.023.07.50780-11.2
7Segura Villavicencio, Angela0CRCβˆ’1B+?N+11N+6Bβˆ’2N+?Bβˆ’3N4.021.021.05.0014980.0
8FIDE 65715900β€”=?Nβˆ’2B+9Nβˆ’?B+11Nβˆ’4B+?B3.513.013.03.007800.0
9FIDE 65723080β€”+?Bβˆ’1Nβˆ’8Bβˆ’?N+10Bβˆ’6Nβˆ’?B2.015.515.52.006160.0
10FIDE 65604820β€”βˆ’?N+12Bβˆ’2N+?Bβˆ’9Nβˆ’?Bβˆ’11N2.08.58.50.007800.0
11FIDE 65719300β€”Fβˆ’6Nβˆ’7Bβˆ’?Nβˆ’8BF+10B1.013.513.52.006160.0
12FIDE 65718830β€”βˆ’6Bβˆ’10Nβˆ’?BFβˆ’?NFF0.07.07.00.006160.0

Key insights

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

Top rating gainers
Top rating losers
Campeonato Nacional Categorias Menores Pares 2026 U12 Femenino β€” San Jose, Costa Rica | Chess Tournament Results | ChessStats