CChessStats

IV Copa Top 50 (Grupo A)

Round-RobinStandard

8 players participated in this 7-round tournament, held from 26 May 2026 to 28 May 2026 in YUC, Merida, Mexico. 4 titled players. Top 10 Elo average was 2117, and top seed was Atlas Adomaytis Galaviz Medina (🇲🇽 MEX, CM, 2279).

Atlas Adomaytis Galaviz Medina (🇲🇽 MEX, CM, 2279) won with 6.5/7, ahead of Santiago Zacarias Rodriguez (5.0) and Miguel Angel Lopez Garcia (4.5). Galaviz Medina won solo starting round 2.

The biggest upset came in round 2: Daniel Zinedine Leal Escamilla (2008) beat Andres Elias May Sanchez (CM, 2149), a +141-point gap.

Location
🇲🇽YUC, Merida, Mexico
Dates
26 May 2026 → 28 May 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Round-robin · 7 rounds
Top seed
Avg top 10
2,117
Participants
8
Titled players · 4
FM×2
CM×2
Federations · 1 represented
🇲🇽Mexico×8
Top 3

How it unfolded

Top 8 · 7 rounds

CM Atlas Adomaytis Galaviz Medina led from R2 onwards, the runner-up race stayed tight.

Co-leaders
2
1
1
1
1
1
1
#1#2#4#8R1R2R3R4R5R6R7
R2–R7 · LEAD HELD

CM Atlas Adomaytis Galaviz Medina never relinquished the lead after R2; final gap +1.5 over the runner-up.

R7 · DECISIVE LEAD28 May

CM Atlas Adomaytis Galaviz Medina opens a +1.5-point gap over the chasing pack (closest: FM Santiago Zacarias Rodriguez); the title is out of reach before R7.

R6 · HEAD-TO-HEAD · WINNER VS 2ND

CM Atlas Adomaytis Galaviz Medina drew with FM Santiago Zacarias Rodriguez (White).

Cross-table

#PlayerElo12345678PtsSBBhΔ EloPerf
1🇲🇽CMGalaviz Medina, Atlas Adomaytis2279*½1111116.519.0021.5+27.22516
2🇲🇽FMZacarias Rodriguez, Santiago2222½*½½1½115.014.2523.0+16.42260
3🇲🇽Lopez Garcia, Miguel Angel20980½*1½1½14.511.7523.5+48.42222
4🇲🇽Munoz Villarino, Samuel20740½0*½1½13.58.2524.5+8.82123
5🇲🇽FMNavarrete Mendez, Gonzalo Alberto212600½½*½½13.06.7525.0-12.02066
6🇲🇽Leal Escamilla, Daniel Zinedine20080½00½*113.06.5025.0+24.82083
7🇲🇽CMMay Sanchez, Andres Elias214900½½½0*12.55.5025.5-26.62011
8🇲🇽Colli Lopez, Samuel Santiago19810000000*0.00.0028.0-42.21337

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets