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II Festival de Divisiones IV Division Belen 2025

Open SwissStandard

27 players participated in this 7-round tournament, held from 29 Nov 2025 to 30 Nov 2025 in Belen, Costa Rica. Top 10 Elo average was 1183, and top seed was Daniel A Leguizamon Santamaria (🇨🇷 CRC, 1552).

Abraham Sequeira Morales (🇨🇷 CRC, 1448) won with 6.5/7, ahead of Gabriel Viquez Alfaro (5.5) and Cesar Augusto Azofeifa Retana (5.0). Sequeira Morales won solo starting round 5.

The biggest upset came in round 5: Abraham Sequeira Morales (1448) beat Gabriel Viquez Alfaro (1550), a +102-point gap.

Location
🇨🇷Belen, Costa Rica
Dates
29 Nov 2025 → 30 Nov 2025
Time control
Standard: 30 minutes for game with 30 seconds increment from move 1
System
Swiss · 7 rounds
Avg top 10
1,183
Participants
27
Federations · 1 represented
🇨🇷Costa Rica×19
Top 3

How it unfolded

Top 6 · 7 rounds

Abraham Sequeira Morales led from R5; +1.0-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.

Co-leaders
12
6
3
2
1
1
1
23.55.57R1R2R3R4R5R6R7
Sequeira Morales6.5Viquez Alfaro5.5Azofeifa Retana5Rodriguez Solano5Berzosa Madriz4.5Moran4.5
R5–R7 · LEAD HELD

Abraham Sequeira Morales never relinquished the lead after R5; final gap +1.0 over the runner-up.

R5 · HEAD-TO-HEAD · WINNER VS 2ND

Abraham Sequeira Morales beat Gabriel Viquez Alfaro (Black).

WIN STREAKS · 3 top finishers

Abraham Sequeira Morales 6 wins (R1–R6)Gabriel Viquez Alfaro 4 wins (R1–R4)Cesar Augusto Azofeifa Retana 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Abraham Sequeira Morales*
1
1
1
2Gabriel Viquez Alfaro
0
*
½
—
3Cesar Augusto Azofeifa Retana
0
½
*—
4Sofia Rodriguez Solano
0
——*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Sequeira Morales, Abraham1448CRC+15B+10N+4B+3B+2N+7N=6B6.528.031.028.751839+34.6
2Viquez Alfaro, Gabriel1550CRC+11N+16B+14B+5N−1B+8N=3B5.527.030.021.001544+1.6
3Azofeifa Retana, Cesar Augusto1441CRC+13N+17B+5B−1N=8B+19N=2N5.027.530.018.501579+25.6
4Rodriguez Solano, Sofia0CRC+20N+25B−1N−19B+24B+9N+10B5.020.021.012.00663-22.4
5Berzosa Madriz, Hector Julian1480CRC+21N+6B−3N−2B+17B+13N=7B4.526.027.514.751499+10.8
6Cortes Acuna, Samuel Camilo0CRC+23B−5N+25N+11B−7N+12B=1N4.523.524.512.251401-17.2
7Moran, Mike1548CRCF+27N+9B+14N+6B−1B=5N4.523.523.513.751549-0.4
8Larionov, Lev0CRC−22N+21B+18N+12B=3N−2B+19B4.521.022.513.0014910.0
9Torres Venegas, Brianna0CRC+24B−12N−7N+18B+11N−4B+?N4.020.520.57.5014030.0
10FIDE 65636600—+19N−1B−11N+21B=14B+20N−4N3.523.024.58.0012470.0
11Lacayo Kolyzhikhin, Ivan0CRC−2B+23N+10B−6N−9B=14N+20B3.523.024.08.5012020.0
12Peraza Cedrez, Daniel1473CRCF+9B+16N−8N+15B−6N=13B3.522.522.511.75675-10.2
13Espinoza Jimenez, Joselyn0CRC−3B=15N+26B+20N=19N−5B=12N3.521.021.07.0011930.0
14Gutierrez Zapata, Mariana1414CRC+18N+22B−2N−7B=10N=11B−16B3.023.024.58.00741-26.4
15Carballo Hernandez, Rolando0CRC−1N=13B=?N+16B−12N−17B+23N3.020.520.55.7511730.0
16Santhosh, Mithila Lakshmi0CRC+27B−2N−12B−15NF+21B+14N3.018.018.04.5013520.0
17Pazmino Acosta, Magdalena1480CRC+26B−3N−19B+22B−5N+15NF3.016.516.54.50659-42.4
18FIDE 65626200—−14B+26N−8B−9N−?B+23N+24B3.013.513.52.006570.0
19FIDE 65789500—−10BF+17N+4N=13B−3B−8N2.524.524.59.7514690.0
20FIDE 65591580—−4B+24N=22N−13B+?N−10B−11N2.518.018.01.7515730.0
21FIDE 65733470—−5B−8N+23B−10NF−16N=?B1.516.516.51.0012860.0
22Murillo Mathiew, Aimar Maria0CRC+8B−14N=20B−17NFFF1.516.016.05.75649-42.8
23FIDE 65650420—−6N−11B−21N−?B+27N−18B−15B1.015.515.50.007140.0
24FIDE 65789690—−9N−20B+27BF−4N−?B−18N1.015.515.50.007530.0
25Hyder Jimenez, Omar0CRCF−4N−6BFF−?N+27B1.015.015.00.006870.0
26Murillo Mathiew, Thomas0CRC−17N−18B−13NFFFF0.011.011.00.006810.0
27FIDE 65491950—−16N−7B−24NF−23BF−25N0.010.510.50.007480.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets
II Festival de Divisiones IV Division Belen 2025 — Belen, Costa Rica | Chess Tournament Results | ChessStats