CChessStats

I Festival Clasificatorio Cuarta Division El Guarco AGUA 2025

Open SwissStandard

25 players participated in this 7-round tournament, held from 08 Nov 2025 to 09 Nov 2025 in Paraiso, Cartago, Costa Rica. Top 10 Elo average was 1063, and top seed was Eduardo Eugenio Roldan Brenes (🇨🇷 CRC, 1668).

Yerick Alexander Mata Ballestero (🇨🇷 CRC, 1412) won with 6.0/7, ahead of Brandon Adrian Ramirez Ordonez (5.5) and Cesar Augusto Azofeifa Retana (5.0). Mata Ballestero broke clear in the final round.

The biggest upset came in round 2: Yerick Alexander Mata Ballestero (1412) beat Eduardo Eugenio Roldan Brenes (1668), a +256-point gap.

Location
🇨🇷Paraiso, Cartago, Costa Rica
Dates
08 Nov 2025 → 09 Nov 2025
Time control
Standard: 30 minutes for game with 30 seconds increment from move 1
System
Swiss · 7 rounds
Top seed
🇨🇷Eduardo Eugenio Roldan Brenes1668
Avg top 10
1,063
Participants
25
Federations · 1 represented
🇨🇷Costa Rica×20
Top 3

How it unfolded

Top 6 · 7 rounds

Yerick Alexander Mata Ballestero led from R3; +0.5-point edge over the runner-up.

Co-leaders
14
5
1
2
4
2
1
23.55.57R1R2R3R4R5R6R7
Mata Ballestero6Ramirez Ordonez5.5Brenes Vega5Murillo Mathiew5Azofeifa Retana5Alvarado Machado4.5
R3–R7 · LEAD HELD

Yerick Alexander Mata Ballestero held the sole lead from R3 through R7 without losing it.

R5 · HEAD-TO-HEAD · WINNER VS 2ND

Yerick Alexander Mata Ballestero drew with Brandon Adrian Ramirez Ordonez (White).

WIN STREAKS · 2 top finishers

Yerick Alexander Mata Ballestero 3 wins (R1–R3)Brandon Adrian Ramirez Ordonez 3 wins (R2–R4)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Yerick Alexander Mata Ballestero*
½
—
1
2Brandon Adrian Ramirez Ordonez
½
*
1
1
3Gabriel Enrique Brenes Vega—
0
*—
4Aimar Maria Murillo Mathiew
0
0
—*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Mata Ballestero, Yerick Alexander1412CRC+19B+8N+5B=9N=2B+3N+7B6.028.030.525.751733+66.0
2Ramirez Ordonez, Brandon Adrian1541CRCF+13N+12B+16B=1N+4B+5N5.526.026.023.001412-6.8
3Azofeifa Retana, Cesar Augusto1441CRC−4N+23B+21N+19B+6N−1B+8B5.024.025.014.001540+8.4
4Brenes Vega, Gabriel Enrique0CRC+3B+?N−?B+8N+9B−2N+10N5.022.522.517.0015790.0
5Murillo Mathiew, Aimar Maria0CRC+23N+21B−1N+15B+10N+?N−2B5.021.521.510.0014870.0
6Alvarado Machado, E. Daniela0CRC+11B+15N=9B+?N−3B−7N+?N4.520.520.59.0014640.0
7Marin Aguirre, Fabian Osvaldo0CRC+?N=?B−16N+12B+19N+6B−1N4.519.519.510.5012350.0
8Roldan Brenes, Eduardo Eugenio1668CRC+14N−1B+11N−4B+22N+9B−3N4.027.529.513.501329-52.4
9Madriz Rojas, Jose Francisco1492CRC+10N+17B=6N=1B−4N−8N+15B4.026.529.515.251638+30.4
10Leguizamon Santamaria, Daniel A1552CRC−9B+24N+20B+18N−5B+15N−4B4.022.523.59.50692-11.6
11Alarcon Arguello, Eliel0CRC−6N+?B−8B−?N+25B+22N+17B4.014.014.05.5014380.0
12Orozco Sanchez, Matias0CRC+22N=16B−2N−7N+21B−14B+19N3.521.023.08.007410.0
13FIDE 65765320—+?N−2B−18B=20N=?B=21N+22B3.515.015.04.257410.0
14Gonzalez Barboza, Josue David0CRC−8B−19N+23B=?N+20B+12N−?B3.513.513.57.007560.0
15Perez Brenes, Fernando0CRC+?N−6B+17N−5N+18B−10B−9N3.023.523.56.0014030.0
16Villalta Pizarro, Emanuel Isaac0CRC+18B=12N+7B−2N−?B−17N=21B3.021.521.510.257070.0
17Peraza Artavia, Pablo Josue1523CRC+20B−9N−15BF+24N+16B−11N3.017.517.56.50692-22.4
18Murillo Mathiew, Thomas0CRC−16N+22B+13N−10B−15N−?B+23B3.016.516.56.507530.0
19Castro Solano, Ahren Gabriel0CRC−1N+14B+?B−3N−7B=?N−12B2.522.522.53.5013250.0
20Aguilar Brenes, Steven Rolando0CRC−17N+?B−10N=13B−14N−?B+25N2.514.514.52.257460.0
21FIDE 65760520—F−5N−3B+?B−12N=13B=16N2.020.020.03.256570.0
22FIDE 65653010—−12B−18N+24B+25N−8B−11B−13N2.019.019.51.508680.0
23FIDE 65610630—−5B−3N−14NF−?B+24B−18N1.017.517.51.006570.0
24Bonilla Mora, Alejandro Jose0CRC−?B−10B−22N+?N−17B−23NF1.010.010.00.007240.0
25FIDE 65730450—−?N=?B−?N−22B−11NF−20B0.58.58.50.006430.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets