CChessStats

Olimpiada Nacional 2026. Region IV. Sub 16 Var

Open SwissStandard

12 players participated in this 5-round tournament, held from 18 Mar 2026 to 20 Mar 2026 in MOR, Cuernavaca, Mexico. 2 titled players. Top 10 Elo average was 1831, and top seed was Fernando Cortes Medina (🇲🇽 MEX, CM, 2060).

Juan Lerma Castillo (🇲🇽 MEX, 1967) won with 3.5/5, ahead of Nicolas Valdez Lomeli (3.5) and Luis Fernando Agama Hernandez (3.5). Lerma Castillo shared the lead from round 1, winning on tie-break.

The biggest upset came in round 3: Daniel Pshisva Abadi (1512) beat Alexander Rafael Barberena Gallardo (1763), a +251-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
🇲🇽CMFernando Cortes Medina2060
Avg top 10
1,831
Participants
12
Titled players · 2
CM×2
Federations · 1 represented
🇲🇽Mexico×12
Top 3

How it unfolded

Top 6 · 5 rounds

Tight race until R3; 4 players tied at 3.5/5, decided on Buchholz.

Co-leaders
6
2
1
1
4
1.52.545R1R2R3R4R5
Lerma Castillo3.5Cortes Medina3.5Agama Hernandez3.5Valdez Lomeli3.5Roque Aranda3Herrera Alonso3
R3–R5 · LEAD HELD

Juan Lerma Castillo held the sole lead from R3 through R5 without losing it.

R5 · TIEBREAK CLUSTER

4 players finish on 3.5/5. Lerma Castillo takes the title on Buchholz Cut1 (13.5).

R4 · HEAD-TO-HEAD · WINNER VS 2ND

Juan Lerma Castillo drew with CM Fernando Cortes Medina (White).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Juan Lerma Castillo*
½
0
1
2CMFernando Cortes Medina
½
*—
½
3CMLuis Fernando Agama Hernandez
1
—*
0
4Nicolas Valdez Lomeli
0
½
1
*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Lerma Castillo, Juan1967MEX+11N+5B+2N=4B−3N3.513.515.09.752032+18.4
2Valdez Lomeli, Nicolas1828MEX+10N+3B−1B+7N=4N3.512.514.08.752029+56.0
3Agama Hernandez, Luis FernandoCM1936MEX+12B−2N+7B=5N+1B3.512.013.08.001985+15.2
4Cortes Medina, FernandoCM2060MEX+8B=7N+12B=1N=2B3.511.012.07.501975-14.8
5Roque Aranda, Jeronimo1832MEX+6B−1N+8B=3B=7N3.012.014.07.751907+22.0
6Herrera Alonso, Isaac Emmanuel1596MEX−5N+11B=9N=10N+8B3.08.510.05.251766+44.8
7Tapia Tapia, Sebastian Uriel1931MEX+9N=4B−3N−2B=5B2.013.515.55.251783-38.4
8Sanchez Ortiz, Diego Alonso1746MEX−4N+9B−5N+12B−6N2.011.512.53.001675-22.0
9Valdez Montiel, Andres1622MEX−7B−8N=6B=11N+10B2.08.510.03.751638+1.6
10Pshisva Abadi, Daniel1512MEX−2B−12N+11N=6B−9N1.510.011.03.001538+4.4
11Barberena Gallardo, Alexander Rafael1763MEX−1B−6N−10B=9B+12N1.510.011.02.001515-66.0
12Gomez Tolentino, Iker1625MEX−3N+10B−4N−8N−11B1.010.512.01.501556-21.2

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets