CChessStats

Juegos Deportivos Nacionales Eliminatorias 2025 Z1 U12 Individual Femenino

Open SwissStandard

10 players participated in this 7-round tournament, held from 06 Sept 2025 to 07 Sept 2025 in Heredia, Costa Rica. Top 10 Elo average was 313, and top seed was Ana Maria Corrales Corrales (🇨🇷 CRC, 1651).

Ana Maria Corrales Corrales (🇨🇷 CRC, 1651) won with 7.0/7, ahead of Maripaz Quiros Montenegro (6.0) and Sheyla Francini Vargas Mendez (4.0). Corrales Corrales won solo starting round 5.

Location
🇨🇷Heredia, Costa Rica
Dates
06 Sept 2025 → 07 Sept 2025
Time control
Standard: 30 minutes for game with 30 seconds increment from move 1
System
Swiss · 7 rounds
Top seed
🇨🇷Ana Maria Corrales Corrales1651
Avg top 10
313
Participants
10
Federations · 1 represented
🇨🇷Costa Rica×3
Top 3

How it unfolded

Top 6 · 7 rounds

Ana Maria Corrales Corrales led from R5; +1.0-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.

Co-leaders
4
2
2
2
1
1
1
23.55.57R1R2R3R4R5R6R7
Corrales Corrales7Quiros Montenegro644Vargas Mendez43
R5–R7 · LEAD HELD

Ana Maria Corrales Corrales never relinquished the lead after R5; final gap +1.0 over the runner-up.

R5 · HEAD-TO-HEAD · WINNER VS 2ND

Ana Maria Corrales Corrales beat Maripaz Quiros Montenegro (Black).

WIN STREAKS · 3 top finishers

Ana Maria Corrales Corrales 7 wins (R1–R7)Maripaz Quiros Montenegro 4 wins (R1–R4)FIDE 6575773 4 wins (R2–R5)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Ana Maria Corrales Corrales*
1
1
1
2Maripaz Quiros Montenegro
0
*
1
1
3FIDE 6575773
0
0
*—
4FIDE 6571387
0
0
—*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Corrales Corrales, Ana Maria1651CRC+6B+10N+3N+5B+2N+4B+7N7.024.024.024.002282+10.8
2Quiros Montenegro, Maripaz0CRC+4B+?N+9N+3B−1B+5N+6B6.024.024.017.0015680.0
3Vargas Mendez, Sheyla Francini1480CRCF+5N−1B−2N+8B+9N+4N4.026.026.013.00853-10.8
4FIDE 65757730—−2N+?B+7N+6B+9N−1N−3B4.025.025.08.007680.0
5FIDE 65713870—+8N−3B+?B−1N+6B−2B+?N4.023.023.06.007680.0
6FIDE 65656460—−1N+8B+10B−4N−5N+?B−2N3.024.024.03.008530.0
7FIDE 65770400—+?N−9B−4B−8N+?B+10N−1B3.016.016.00.008530.0
8FIDE 65770590—−5B−6N+?N+7B−3N−?B+10B3.014.014.03.006820.0
9FIDE 65756840—F+7N−2B+10N−4B−3B−?N2.017.017.03.006820.0
10FIDE 65725960—F−1B−6N−9B−?N−7B−8N0.018.018.00.008530.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers