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FIDE Clasico Yucatan Marzo 2026 Grupo A

Round-RobinStandard

6 players participated in this 5-round tournament, held from 06 Mar 2026 to 08 Mar 2026 in YUC, Merida, Mexico. Top 10 Elo average was 1895, and top seed was Samuel Santiago Colli Lopez (🇲🇽 MEX, 1985).

Andre Fernando Orta Ruz (🇲🇽 MEX, 1968) won with 5.0/5, ahead of Samuel Santiago Colli Lopez (3.0) and Diego Sebastian Pacheco Sierra (2.5). Orta Ruz won solo starting round 2.

The biggest upset came in round 2: Juan Eduardo Arredondo Pech (1817) beat Samuel Santiago Colli Lopez (1985), a +168-point gap.

Location
🇲🇽YUC, Merida, Mexico
Dates
06 Mar 2026 → 08 Mar 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Round-robin · 5 rounds
Top seed
🇲🇽Samuel Santiago Colli Lopez1985
Avg top 10
1,895
Participants
6
Federations · 1 represented
🇲🇽Mexico×6
Top 3

How it unfolded

Top 6 · 5 rounds

Andre Fernando Orta Ruz led from R2 onwards, the title was decided early.

Co-leaders
2
1
1
1
1
#1#2#3#6R1R2R3R4R5
R2–R5 · LEAD HELD

Andre Fernando Orta Ruz never relinquished the lead after R2; final gap +2.0 over the runner-up.

R3 · DECISIVE LEAD07 Mar

Andre Fernando Orta Ruz opens a +1.5-point gap over the chasing pack (closest: Diego Sebastian Pacheco Sierra); the title is out of reach before R5.

R1 · HEAD-TO-HEAD · WINNER VS 2ND

Andre Fernando Orta Ruz beat Samuel Santiago Colli Lopez (Black).

Cross-table

#PlayerElo123456PtsSBBhΔ EloPerf
1🇲🇽Orta Ruz, Andre Fernando1968*111115.010.0010.0+76.42680
2🇲🇽Colli Lopez, Samuel Santiago19850*11013.06.0012.0-4.41949
3🇲🇽Pacheco Sierra, Diego Sebastian193800*½112.53.2512.5-13.61886
4🇲🇽Salazar Reyes, Diego186100½*112.53.2512.5+11.61902
6🇲🇽Arredondo Pech, Juan Eduardo18170100*01.03.0014.0-35.21671
5🇲🇽Lopez Pech, Jose Alexis180200001*1.01.0014.0-30.41674

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets
FIDE Clasico Yucatan Marzo 2026 Grupo A — YUC, Merida, Mexico | Chess Tournament Results | ChessStats