CChessStats

I FIDE Clasico de Elite Invernal Grupo C

Round-RobinStandard

6 players participated in this 5-round tournament, held from 07 Dec 2025 to 09 Dec 2025 in YUC, Merida, Mexico. Top 10 Elo average was 1258, and top seed was Yaely Itzel Uc Catzim (🇲🇽 MEX, 1596).

Matias Rayo Tzeek (🇲🇽 MEX, 1413) won with 5.0/5, ahead of Fidel Leonardo Cortez Madera (3.5) and Oswaldo Josafat Prudencio Nunez (2.0). Rayo Tzeek won solo starting round 2.

The biggest upset came in round 3: Matias Rayo Tzeek (1413) beat Yaely Itzel Uc Catzim (1596), a +183-point gap.

Location
🇲🇽YUC, Merida, Mexico
Dates
07 Dec 2025 → 09 Dec 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Round-robin · 5 rounds
Top seed
🇲🇽Yaely Itzel Uc Catzim1596
Avg top 10
1,258
Participants
6
Federations · 1 represented
🇲🇽Mexico×6
Top 3

How it unfolded

Top 6 · 5 rounds

Matias Rayo Tzeek led from R2 onwards, the runner-up race stayed tight.

Co-leaders
2
1
1
1
1
#1#2#3#6R1R2R3R4R5
Rayo Tzeek#1Cortez Madera#2Prudencio Nunez#3Uc Catzim#4Villorin Galaviz#5Pinelo Puerto#6
R2–R5 · LEAD HELD

Matias Rayo Tzeek never relinquished the lead after R2; final gap +1.5 over the runner-up.

R5 · DECISIVE LEAD09 Dec

Matias Rayo Tzeek opens a +1.5-point gap over the chasing pack (closest: Fidel Leonardo Cortez Madera); the title is out of reach before R5.

R5 · HEAD-TO-HEAD · WINNER VS 2ND

Matias Rayo Tzeek beat Fidel Leonardo Cortez Madera (Black).

Cross-table

#PlayerElo123456PtsSBBhΔ EloPerf
1🇲🇽Rayo Tzeek, Matias1413*111115.010.0010.0+105.62334
2🇲🇽Cortez Madera, Fidel Leonardo15740*½1113.55.5011.5+22.41686
3🇲🇽Prudencio Nunez, Oswaldo Josafat00½*1½02.04.5013.00.01438
4🇲🇽Uc Catzim, Yaely Itzel1596000*112.02.5013.0-23.61488
5🇲🇽Villorin Galaviz, Edgar Arturo151300½0*11.52.0013.5-40.81316
6🇲🇽Pinelo Puerto, Cristian Israel145100100*1.02.0014.0-63.6725

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets