CChessStats

Copa Open 2025 Categoria Premier

Open SwissStandard

25 players participated in this 6-round tournament, held from 29 Nov 2025 to 30 Nov 2025 in N L, Monterrey, Mexico. Top 10 Elo average was 1605, and top seed was Axel Alberto Diaz Espinoza (🇲🇽 MEX, 1695).

Sebastian Rodriguez Reyna (🇲🇽 MEX, 0) won with 5.5/6, ahead of Axel Alberto Diaz Espinoza (5.0) and Emilio Enik Echaverria Rodriguez (5.0). Rodriguez Reyna won solo starting round 4.

The biggest upset came in round 2: Fredy Lagui Bautista (1483) beat Sofia Yunuen Rodriguez Acosta (1657), a +174-point gap.

Location
🇲🇽N L, Monterrey, Mexico
Dates
29 Nov 2025 → 30 Nov 2025
Time control
Standard: 30 minutes for game with 30 seconds increment from move 1
System
Swiss · 6 rounds
Top seed
🇲🇽Axel Alberto Diaz Espinoza1695
Avg top 10
1,605
Participants
25
Federations · 1 represented
🇲🇽Mexico×20
Top 3

How it unfolded

Top 6 · 6 rounds

Sebastian Rodriguez Reyna led from R4; +0.5-point edge over the runner-up.

Co-leaders
12
5
2
1
1
1
1.534.56R1R2R3R4R5R6
Rodriguez Reyna5.5Diaz Espinoza5Echaverria Rodriguez5Camargo Ortega4Romero Penalver4Jimenez Santiago4
R4–R6 · LEAD HELD

Sebastian Rodriguez Reyna held the sole lead from R4 through R6 without losing it.

R4 · HEAD-TO-HEAD · WINNER VS 2ND

Sebastian Rodriguez Reyna beat Axel Alberto Diaz Espinoza (White).

WIN STREAKS · 2 top finishers

Sebastian Rodriguez Reyna 4 wins (R1–R4)Axel Alberto Diaz Espinoza 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Sebastian Rodriguez Reyna*
1
½
—
2Axel Alberto Diaz Espinoza
0
*—
1
3Emilio Enik Echaverria Rodriguez
½
—*—
4Ricardo Camargo Ortega—
0
—*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΔ
1Rodriguez Reyna, Sebastian0MEX+13N+21B+11N+2B=3N+4B5.520.022.019.5017020.0
2Diaz Espinoza, Axel Alberto1695MEX+9B+5N+4B−1N+11B+8N5.020.523.518.002308+20.8
3Echaverria Rodriguez, Emilio Enik0MEX+?N+15B=8B+12N=1B+6N5.019.019.014.5015850.0
4Cruz Uribe, Kairo Jahir0MEX+?B+20B−2N+19B+14N−1N4.018.018.07.5016770.0
5Camargo Ortega, Ricardo1501MEX+12N−2B+20N−8B+13N+14B4.017.519.511.001749+79.6
6Jimenez Santiago, Wualberto0MEX−11N+23N+21B+13B+8N−3B4.016.517.59.5015950.0
7Romero Penalver, Santiago Lisandr0MEX−8N+?B+15N−14B+17N+12B4.015.015.08.5015730.0
8Lagui Bautista, Fredy1483MEX+7B+14B=3N+5N−6B−2B3.522.025.013.501743+39.2
9Mejia Cerda, Oscar1437MEX−2N−12B+22N=18N+19B+17B3.515.516.57.251383-6.4
10Morales De Leon, Ana Lucia1560MEX−17N+22B−12N+16B+20B=11N3.513.514.57.501621+10.8
11Alejandro Betancourt, Debany Berenice1597MEX+6B=17N−1B+21N−2N=10B3.020.522.59.001433-17.2
12Gomez Moreno, Juan Vicente1647MEX−5B+9N+10B−3B+15N−7N3.020.023.010.001690+8.0
13Gonzalez Flores, Devanny Aretzi1633MEX−1B+16N+18B−6N−5B+21N3.019.021.07.501564-3.8
14Rodriguez Acosta, Sofia Yunuen1657MEX+24B−8N+17B+7N−4B−5N3.018.019.07.50698-56.8
15Rodriguez Villarreal, Santiago1494MEX+18B−3N−7B+23N−12B+25N3.015.515.53.501637+15.6
16FIDE 296622490—−20N−13B+?N−10N+?B+22B3.09.59.51.008020.0
17Tamez Flores, Rogelio Haniel0MEX+10B=11B−14N+25N−7B−9N2.517.017.05.0014750.0
18Rodriguez Garcia, Jose Guadalup1649MEX−15N+19B−13N=9B+25B−20N2.514.014.04.251223-77.2
19Dominguez Garcia, Rogelio0MEX=23B−18N+?B−4N−9N+?B2.511.011.00.507320.0
20Morales De Leon, Sara Christine1619MEX+16B−4N−5BF−10N+18B2.017.018.05.501436-29.6
21FIDE 296986930—+22B−1N−6N−11B+?N−13B2.016.516.51.008150.0
22FIDE 5500127460—−21N−10N−9BF+23B−16N1.013.013.01.006970.0
23FIDE 296726270—=19N−6B=24N−15B−22N−?B1.011.511.51.756930.0
24FIDE 5500169700—−14N=?N=23BFFF1.06.06.00.508570.0
25Gonzalez Hernandez, Angel Alberto0MEXFFF−17B−18N−15B0.08.08.00.007600.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets