CChessStats

Campeonato Nacional Senior de Costa Rica S50 S65 Absoluto y Femenino 2026

Open SwissStandard

26 players participated in this 7-round tournament, held from 04 Apr 2026 to 12 Apr 2026 in San Jose, Costa Rica. 1 titled players. Top 10 Elo average was 1851, and top seed was Luis Michel Cespedes Rodriguez (🇨🇷 CRC, 2025).

Juan Leon Jimenez Molina (🇨🇷 CRC, FM, 2015) won with 6.0/7, ahead of Manuel Murillo Tsijli (5.0) and Luis Michel Cespedes Rodriguez (5.0). Jimenez Molina won solo starting round 5.

The biggest upset came in round 7: Magdalena Pazmino Acosta (1404) beat Minor Acuna Arias (1592), a +188-point gap.

Location
🇨🇷San Jose, Costa Rica
Dates
04 Apr 2026 → 12 Apr 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 7 rounds
Top seed
🇨🇷Luis Michel Cespedes Rodriguez2025
Avg top 10
1,851
Participants
26
Titled players · 1
FM×1
Federations · 1 represented
🇨🇷Costa Rica×24
Top 3

How it unfolded

Top 6 · 7 rounds

FM Juan Leon Jimenez Molina 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
5
3
2
1
1
1
23.55.57R1R2R3R4R5R6R7
Jimenez Molina6Herrera Retana5Murillo Tsijli5Bonilla Sequeira5Cespedes Rodriguez5Arce Oviedo4.5
R5–R7 · LEAD HELD

FM Juan Leon Jimenez Molina never relinquished the lead after R5; final gap +1.0 over the runner-up.

R6 · HEAD-TO-HEAD · WINNER VS 2ND

FM Juan Leon Jimenez Molina beat Gerardo Herrera Retana (White).

WIN STREAKS · 3 top finishers

FM Juan Leon Jimenez Molina 3 wins (R1–R3)Gerardo Herrera Retana 3 wins (R3–R5)Manuel Murillo Tsijli 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1FMJuan Leon Jimenez Molina*
1
½
½
2Gerardo Herrera Retana
0
*
1
—
3Manuel Murillo Tsijli
½
0
*
½
4Pablo Bonilla Sequeira
½
—
½
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Jimenez Molina, Juan LeonFM2015CRC+10N+11B+7N=4B+3N+5B=2N6.027.531.026.002136+18.4
2Murillo Tsijli, Manuel1886CRC+9N+15B+3N−5B=4N+10B=1B5.028.531.521.001961+17.2
3Cespedes Rodriguez, Luis Michel2025CRC+20B+6N−2B+14N−1B+12N+4B5.026.528.517.501930-10.0
4Bonilla Sequeira, Pablo1935CRC+13B+18N+12B=1N=2B+7B−3N5.026.028.518.001935+3.2
5Herrera Retana, Gerardo1799CRC+24B−12N+20B+2N+15B−1N+8B5.023.024.015.002042+35.6
6Arce Oviedo, Cesar1744CRC+21N−3B=10N−15B+19N+14B+7N4.521.023.013.251770+6.6
7Aguilar Pina, Luis Gerardo1778CRC+19N+16B−1B+12N+8B−4N−6B4.025.528.012.501739-4.0
8Vega Araya, Edwin1864CRCF+25N+18B+11B−7N+17B−5N4.018.018.09.001751-12.2
9Chan Chen, Johnny1539CRC−2B+26N−14B+24N−12B+22N+13B4.017.017.06.001646+19.2
10Francia Roa, Victor Ricardo1583CRC−1B+17N=6B+16N+11B−2NF3.524.524.511.251759+25.4
11Mena Vilchez, Ulises1746CRC+25B−1N+13B−8N−10N+21B=17N3.521.021.56.751599-23.0
12Coleman Vivian, Paul Richard0CRCF+5B−4N−7B+9N−3B+14N3.026.026.012.0017850.0
13Pomares Herrera, Efrain1572CRC−4N+21B−11N+22B−17N+16B−9N3.020.022.07.001467-15.8
14Bolanos Barth, Francisco1623CRC+26BF+9N−3B+21N−6N−12B3.018.518.56.001696+5.4
15Murillo Arguedas, Jaime1720CRC+17B−2N+24B+6N−5NFF3.018.018.08.001753+5.6
16Pazmino Acosta, Magdalena1404CRC+23B−7N=19B−10B=18N−13N+20B3.017.519.06.001473+17.6
17Morales Zumbado, Raul1461CRC−15N−10BF+20N+13B−8N=11B2.519.020.56.751618+22.4
18Calderon Villalobos, Alexis1599CRC+22N−4B−8N−21B=16B−20N+26N2.518.018.03.501289-70.0
19Solano Monge, Luis Guillermo1475CRC−7B−20N=16N+26B−6B+23N−22B2.517.017.03.001310-28.8
20Acuna Arias, Minor1592CRC−3N+19B−5N−17B−22N+18B−16N2.020.522.55.001497-37.6
21Ruiz Segura, John Phillips1470CRC−6B−13N+25B+18N−14B−11NF2.017.017.03.001414-7.0
22FIDE 65765830—−18B−24NF−13N+20B−9B+19N2.015.015.04.5014240.0
23FIDE 65574650—−16NFFF+26B−19B=25N1.58.58.50.256370.0
24Moran, Mike1521CRC−5N+22B−15N−9BFFF1.014.514.52.00887-18.0
25Villegas Villalobos, Oscar0CRC−11N−8B−21NFFF=23B0.512.012.00.758940.0
26Jean Adrien, Wilberge0CRC−14N−9BF−19N−23NF−18B0.013.513.50.007600.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets