CChessStats

4to. Magistral VI Realzando el Ajedrez

Round-RobinStandard

10 players participated in this 9-round tournament, held from 15 Nov 2025 to 17 Nov 2025 in GTO, Leon, Mexico. 3 titled players. Top 10 Elo average was 2039, and top seed was Guillermo Dominguez Aguilar (🇲🇽 MEX, IM, 2246).

Sid Diego Silva Sobreyra (🇲🇽 MEX, 2088) won with 7.5/9, ahead of Alfredo Asaf Rivera Perez (7.0) and David Rey Lozano Garay (6.0). Silva Sobreyra won solo starting round 8.

The biggest upset came in round 2: David Rey Lozano Garay (2038) beat Guillermo Dominguez Aguilar (IM, 2246), a +208-point gap.

Location
🇲🇽GTO, Leon, Mexico
Dates
15 Nov 2025 → 17 Nov 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Round-robin · 9 rounds
Top seed
Avg top 10
2,039
Participants
10
Titled players · 3
IM×1
CM×1
WFM×1
Federations · 1 represented
🇲🇽Mexico×10
Top 3

How it unfolded

Top 10 · 9 rounds

Sid Diego Silva Sobreyra led from R2 onwards, the runner-up race stayed tight.

Co-leaders
5
1
1
1
2
2
2
1
1
#1#2#5#10R1R2R3R4R5R6R7R8R9
R2–R9 · LEAD HELD

Sid Diego Silva Sobreyra held the sole lead from R2 through R9 without losing it.

R3 · HEAD-TO-HEAD · WINNER VS 2ND

Sid Diego Silva Sobreyra drew with Alfredo Asaf Rivera Perez (White).

WIN STREAKS · 2 top finishers

Sid Diego Silva Sobreyra 3 wins (R6–R8)Alfredo Asaf Rivera Perez 4 wins (R4–R7)

Cross-table

#PlayerElo12345678910PtsSBBhΔ EloPerf
1🇲🇽Silva Sobreyra, Sid Diego2088*½½1½111117.528.5037.5+96.42310
2🇲🇽Rivera Perez, Alfredo Asaf2091½*101111½17.027.2538.0+76.42257
4🇲🇽Lozano Garay, David Rey2038½0*1½011116.021.7539.0+62.82168
3🇲🇽IMDominguez Aguilar, Guillermo2246010*½11½116.021.5039.0-9.52149
5🇲🇽Lino Lopez, Israel2084½0½½*½1½½15.018.7540.0-0.22081
6🇲🇽CMRuiz Bolanos, Eithan20740010½*0½114.012.5041.0-35.61996
7🇲🇽Abarca Guzman, Efren2030000001*1114.09.5041.0-6.42001
8🇲🇽WFMDuarte Cramer, Lily Jeanette1870000½½½0*½13.09.0042.0+9.21933
9🇲🇽Garcia Espinoza, Jose Jesus20610½00½00½*½2.07.7543.0-54.41820
10🇲🇽Ramirez Rodriguez, Heber180700000000½*0.51.0044.5-24.61620

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets