CChessStats

IRT "Memorial Prof. Mario Rafael Solis"

Open SwissStandard

15 players participated in this 7-round tournament, held from 17 Oct 2025 to 26 Oct 2025 in Cochabamba, Bolivia. 1 titled players. Top 10 Elo average was 1808, and top seed was Boris Ferrufino (🇧🇴 BOL, CM, 2000).

Miguel Angel Castillo Yujra (🇧🇴 BOL, 1873) won with 6.0/7, ahead of Gabriel Chipana (5.5) and Fabricio Edwin Mercado Diaz (5.0). Castillo Yujra shared the lead from round 5 and broke clear in the final round.

The biggest upset came in round 6: Dominic Giselle Rosas Navarro (1558) beat Mauricio Tapia (1853), a +295-point gap.

Location
🇧🇴Cochabamba, Bolivia
Dates
17 Oct 2025 → 26 Oct 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 7 rounds
Top seed
🇧🇴CMBoris Ferrufino2000
Avg top 10
1,808
Participants
15
Titled players · 1
CM×1
Federations · 1 represented
🇧🇴Bolivia×15
Top 3

How it unfolded

Top 6 · 7 rounds

Miguel Angel Castillo Yujra led from R7; +0.5-point edge over the runner-up.

Co-leaders
4
1
1
1
3
2
1
23.55.57R1R2R3R4R5R6R7Castillo Yujra takes lead
R7 · LEADER CHANGE26 Oct

Miguel Angel Castillo Yujra takes the sole lead (6.0/7).

R5 · HEAD-TO-HEAD · WINNER VS 2ND

Miguel Angel Castillo Yujra beat Gabriel Chipana (Black).

WIN STREAKS · 3 top finishers

Miguel Angel Castillo Yujra 3 wins (R5–R7)Gabriel Chipana 4 wins (R1–R4)Fabricio Edwin Mercado Diaz 3 wins (R3–R5)

Key matchups · top 4

Head-to-head between the four finishers

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Castillo Yujra, Miguel Angel1873BOL+11N=7B+6N=12B+2N+3B+4N6.021.022.520.502120+39.8
2Chipana, Gabriel1952BOL+5B+3N+4B+9N1B+8N=6B5.523.525.518.001991+8.0
3Mercado Diaz, Fabricio Edwin1733BOL+14N2B+10N+6B+4N1N+9B5.022.022.511.001933+62.0
4Ferrufino, BorisCM2000BOL=6N+15B2N+7B3B+11N1B3.523.523.55.501733-40.2
5Rosas Navarro, Dominic Giselle1558BOL2N+14B12N=13BF+7B+8N3.515.015.56.001789+50.0
6Rosas Navarro, Bruno Shahid1730BOL=4B+8N1B3NF+9B=2N3.024.524.59.001830+29.6
7Tapia, Mauricio1853BOL+13B=1N9B4N8B5N+15B2.518.518.54.001533-47.8
8Rodriguez Barrientos, Johan Raziel1767BOLF6B=13N+10B+7N2B5B2.517.517.55.001649-38.0
9Mirabal, Yojan1650BOLF+11B+7N2BF6N3N2.019.019.04.001687+3.2
10Rodriguez Rodriguez, Javier Ramiro1633BOLFF3B8NF+14N+11B2.013.013.02.001551-7.0
11Romay Rocha, Diego Marcelo1528BOL1B9N+15N=14BF4B10N1.515.015.00.25974-34.8
12Tapia Espada, Antonio Enrique1884BOLFF+5B=1NFFF1.511.511.56.501916+2.6
13Omonte Uno, Cristhian1489BOL7NF=8B=5NFFF1.010.510.53.001606+14.0
14Sansuste Mogro, Reyner Santiago0BOL3B5NF=11NF10BF0.513.013.00.7512970.0
15Escobar Sejas, Jhojan0BOLF4N11BFFF7N0.010.510.50.009930.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers