CChessStats

Olimpiada Nacional 2026. Region IV. Sub 20 Var

Open SwissStandard

10 players participated in this 5-round tournament, held from 18 Mar 2026 to 20 Mar 2026 in MOR, Cuernavaca, Mexico. 3 titled players. Top 10 Elo average was 1967, and top seed was Miguel Angel Montes Orozco (🇲🇽 MEX, FM, 2299).

Miguel Angel Montes Orozco (🇲🇽 MEX, FM, 2299) won with 4.0/5, ahead of Andrey Gonzalez Zharikov (3.5) and Carlos Francisco Varela Velazquez (3.5). Montes Orozco won solo starting round 3.

The biggest upset came in round 5: Miguel Alejandro Madrazo Torres (1690) beat Gerardo Vladimir Guerrero Galeana (1994), a +304-point gap.

Location
🇲🇽MOR, Cuernavaca, Mexico
Dates
18 Mar 2026 → 20 Mar 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 5 rounds
Top seed
🇲🇽FMMiguel Angel Montes Orozco2299
Avg top 10
1,967
Participants
10
Titled players · 3
FM×3
Federations · 1 represented
🇲🇽Mexico×10
Top 3

How it unfolded

Top 6 · 5 rounds

FM Miguel Angel Montes Orozco led from R3; +0.5-point edge over the runner-up.

Co-leaders
5
2
1
1
1
1.52.545R1R2R3R4R5
Montes Orozco4Gonzalez Zharikov3.5Varela Velazquez3.5Lopez Garcia3Madrazo Torres2.5Diaz Abarca2.5
R3–R5 · LEAD HELD

FM Miguel Angel Montes Orozco held the sole lead from R3 through R5 without losing it.

R4 · HEAD-TO-HEAD · WINNER VS 2ND

FM Miguel Angel Montes Orozco drew with FM Andrey Gonzalez Zharikov (Black).

R1–R3 · WIN STREAK

FM Miguel Angel Montes Orozco won 3 in a row (R1–R3).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1FMMiguel Angel Montes Orozco*
½
½
1
2FMAndrey Gonzalez Zharikov
½
*
½
½
3FMCarlos Francisco Varela Velazquez
½
½
*
½
4Miguel Angel Lopez Garcia
0
½
½
*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Montes Orozco, Miguel AngelFM2299MEX+10B+8N+4B=2N=3B4.011.512.59.002343+6.4
2Gonzalez Zharikov, AndreyFM2287MEX+6N=3B+7N=1B=4N3.513.015.09.752202-5.6
3Varela Velazquez, Carlos FranciscoFM2210MEX+5B=2N+8B=4N=1N3.513.014.59.252233+6.2
4Lopez Garcia, Miguel Angel1985MEX+9B+10N−1N=3B=2B3.012.513.56.002154+44.0
5Madrazo Torres, Miguel Alejandro1690MEX−3N−7B+9B=8N+10N2.58.59.53.251896+22.6
6Diaz Abarca, Moises1809MEX−2B=9N+10B−7N+8B2.58.59.53.251919+25.2
7Leonel Olvera, Victor Emmanuel1734MEX−8B+5N−2B+6B−9N2.010.011.55.001786+6.4
8Silva Arellano, Miguel Arturo2041MEX+7N−1B−3N=5B−6N1.512.514.53.251798-60.4
9Agama Hernandez, Juan Jesus1621MEX−4N=6B−5N−10B+7B1.510.011.03.251693+12.0
10Guerrero Galeana, Gerardo Vladimir1994MEX−1N−4B−6N+9N−5B1.012.013.51.501639-43.2

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets