CChessStats

I Campeonato Nacional e Internacional de Ajedrez Monterrey 2025 - Sub 15

Open SwissStandard

30 players participated in this 6-round tournament, held from 16 Oct 2025 to 19 Oct 2025 in N L, Monterrey, Mexico. Top 10 Elo average was 1713, and top seed was Rodrigo Borjon Garza (🇲🇽 MEX, 1877).

Omar Orduno Gonzalez (🇲🇽 MEX, 1670) won with 5.0/6, ahead of Luis Mauricio Gomez Martinez (4.5) and Juan Eduardo Arredondo Pech (4.5). Orduno Gonzalez clinched sole first place in the final round.

The biggest upset came in round 6: Juan Daniel Dominguez Sanchez (1462) beat Eberth Emmanuel Obele Cerda (1620), a +158-point gap.

Location
🇲🇽N L, Monterrey, Mexico
Dates
16 Oct 2025 → 19 Oct 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 6 rounds
Top seed
Avg top 10
1,713
Participants
30
Federations · 1 represented
🇲🇽Mexico×24
Top 3

How it unfolded

Top 6 · 6 rounds

Omar Orduno Gonzalez led from R4; +0.5-point edge over the runner-up.

Co-leaders
12
5
2
1
4
1
1.534.56R1R2R3R4R5R6
R4–R6 · LEAD HELD

Omar Orduno Gonzalez held the sole lead from R4 through R6 without losing it.

R5 · HEAD-TO-HEAD · WINNER VS 2ND

Omar Orduno Gonzalez lost to Rodrigo Borjon Garza (Black).

WIN STREAKS · 2 top finishers

Omar Orduno Gonzalez 4 wins (R1–R4)Rodrigo Borjon Garza 4 wins (R2–R5)

Key matchups · top 4

Head-to-head between the four finishers

Grille américaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΔ
1Orduno Gonzalez, Omar1670MEX+14B+3N+7N+5B4N+6B5.021.524.520.001983+93.2
2Gomez Martinez, Luis Mauricio1674MEX+12N=5B+10N+7B6N+9B4.519.523.016.751818+38.4
3Arredondo Pech, Juan Eduardo1744MEX+23N1B+9N+19B+11N=4B4.519.021.013.751739-0.8
4Borjon Garza, Rodrigo1877MEXF+22N+13B+6N+1B=3N4.518.518.516.252051+30.4
5Uvalle Morales, Daniel Isaac1745MEX+27B=2N+26B1N+18B+13N4.516.518.010.751678-11.2
6Salazar Rodriguez, Benito1703MEX+19N+15B+8N4B+2B1N4.021.023.514.001722+3.6
7Gonzalez Cauich, Kevin Manuel1679MEX+17B+21N1B2N+26B+15N4.018.019.510.001648-6.0
8Aldape Aleman, Jaime Giancarlo0MEX+20B+16N6B13N+22B+18N4.015.017.010.0016500.0
9Sanchez Dzib, Angel Eliazin1669MEX=16B+18N3B+14N+13B2N3.518.020.510.001618-13.2
10Horta Pacheco, Emiliano1552MEX=18B+20N2B=26N+14B=11N3.516.017.59.251747+31.6
11Almazan Sequera, Gerardo0MEX13N+23B+27N+21N3B=10B3.515.517.07.7515550.0
12FIDE 55001269002B=17N+16B18N+28N+19B3.515.516.58.0015680.0
13Guardiola Lopez, Luis Emilio1695MEX+11B+29N4N+8B9N5B3.020.021.08.50964-48.4
14Dimas Lozano, Diego Matias1510MEX1N+30B+15N9B10N+23B3.017.017.05.001446-14.0
15Garza Garza, Francisco1666MEX+25B6N14B+17N+21B7B3.016.518.57.501427-50.0
16Dominguez Sanchez, Juan Daniel1462MEX=9N8B12N+24B=17B+22N3.016.018.07.251838+39.2
17Gomez Lazo, Ricardo Antonio0MEX7N=12B+24N15B=16N+28B3.015.516.56.2513280.0
18Montenegro Quiroz, Luis Eduardo0MEX=10N9B+23N+12B5N8B2.519.021.07.2513820.0
19Villanueva Segundo, Victor Isaac0MEX6B+25N+22B3N=20B12N2.516.518.55.2515980.0
20Gonzalez Echevarria, Fernando1674MEX8N10B+30N+25B=19NF2.513.513.53.25752-26.8
21Hernandez Guerrero, Sergio Christ1581MEX+30N7B+28N11B15N=24B2.513.513.52.00871-30.4
22Obele Cerda, Eberth Emmanuel1620MEX+24N4B19N+27B8N16B2.016.017.53.50870-35.6
23FIDE 2963114903B11N18B+30N+29B14N2.014.514.51.008310.0
24Cepeda Cardona, Ivan0MEX22B=27N17B16N+25B=21N2.012.514.04.0012820.0
25Lujan Salas, Diego0MEX15N19B+29B20N24N+30B2.011.011.01.008700.0
26Margain Benavides, Miguel0MEX+28BF5N=10B7NF1.515.515.52.7513850.0
27FIDE 2963110605N=24B11B22N+30B29N1.513.013.01.008830.0
28FIDE 550012738026NF21B+29N12B17N1.011.511.51.007830.0
29FIDE 5500127200F13B25N28B23N+27B1.09.59.51.508910.0
30FIDE 550012703021B14N20B23B27N25N0.012.013.50.007920.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers