CChessStats

II BINATIONAL CHESS CHAMPIONSHIP APSON 2025 ABIERTA

Open SwissStandard

10 players participated in this 7-round tournament, held from 15 Aug 2025 to 17 Aug 2025 in Son, Agua Prieta, Mexico. 2 titled players from 2 federations. Top 10 Elo average was 1383, and top seed was Abel Fabian Lopez Gonzalez (🇨🇺 CUB, IM, 2393).

Abel Fabian Lopez Gonzalez (🇨🇺 CUB, IM, 2393) won with 6.5/7, ahead of Carlos Francisco Varela Velazquez (5.0) and Lenin Odin Chavez Dominguez (5.0). Lopez Gonzalez won solo starting round 4.

The biggest upset came in round 4: Daniel Cuevas Arvayo (1724) beat David Ivan Arvizu Borchardt (2048), a +324-point gap.

Location
🇲🇽Son, Agua Prieta, Mexico
Dates
15 Aug 2025 → 17 Aug 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 7 rounds
Top seed
🇨🇺IMAbel Fabian Lopez Gonzalez2393
Avg top 10
1,383
Participants
10
Titled players · 2
IM×1
FM×1
Federations · 2 represented
🇲🇽Mexico×8
🇨🇺Cuba×1
Top 3

How it unfolded

Top 6 · 7 rounds

IM Abel Fabian Lopez Gonzalez led from R2; +1.5-point edge over the runner-up.

Co-leaders
3
1
2
1
1
1
1
23.55.57R1R2R3R4R5R6R7
Lopez Gonzalez6.5Chavez Dominguez5Varela Velazquez5Arvizu Borchardt4Penunuri Esquer3.5Zamudio Garcia2
R2–R7 · LEAD HELD

IM Abel Fabian Lopez Gonzalez never relinquished the lead after R2; final gap +1.5 over the runner-up.

R4 · HEAD-TO-HEAD · WINNER VS 2ND

IM Abel Fabian Lopez Gonzalez beat Lenin Odin Chavez Dominguez (Black).

WIN STREAKS · 2 top finishers

IM Abel Fabian Lopez Gonzalez 4 wins (R4–R7)FM Carlos Francisco Varela Velazquez 3 wins (R4–R6)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1IMAbel Fabian Lopez Gonzalez*
1
½
1
2Lenin Odin Chavez Dominguez
0
*
½
—
3FMCarlos Francisco Varela Velazquez
½
½
*
0
4David Ivan Arvizu Borchardt
0
—
1
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Lopez Gonzalez, Abel FabianIM2393CUB+4B+10N=2B+3N+5B+7N+9B6.519.519.517.002413+0.9
2Varela Velazquez, Carlos FranciscoFM2163MEX+5N=3B=1N+9B+6N+8B−4N5.022.022.512.752082-13.0
3Chavez Dominguez, Lenin Odin2040MEX+9B=2N+6B−1B+8N=5N+7B5.019.520.09.252098+9.8
4Arvizu Borchardt, David Ivan2048MEX−1N−5B+10B−8N+9N+6B+2B4.018.518.57.502021-2.4
5Penunuri Esquer, Jose Humberto0MEX−2B+4N+8B+7N−1N=3B−6N3.524.025.09.0020240.0
6Zamudio Garcia, Rey0MEXFF−3N+10B−2B−4N+5B2.017.517.53.5012840.0
7Lugo Estrada, Jose Antonio1658MEXFF=9N−5B+10N−1B−3N1.515.515.50.251695+1.2
8Cuevas Arvayo, Daniel1724MEXFF−5N+4B−3B−2NF1.017.517.54.001946+26.4
9Vargas Reyes, Gloria Tzotzi1805MEX−3NF=7B−2N−4BF−1N0.522.022.00.751657-15.8
10FIDE 5500092490—F−1B−4N−6N−7BFF0.014.514.50.0012330.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets