CChessStats

I TORNEO IRT CLASICO CHESS COLOR AREQUIPA

Open SwissStandard

11 players participated in this 11-round tournament, held from 19 Apr 2026 to 22 Apr 2026 in Arequipa, Peru. Top 10 Elo average was 798, and top seed was Sofhia Fernanda Ochochoque Huayhua (🇵🇪 PER, 1775).

Rodrigo Oswaldo Viveros Gonzales (🇵🇪 PER, 1700) won with 10.0/11, ahead of Adriel Samin Colque Salcedo (8.5) and Vivian Daniela Romani Flores (7.0). Viveros Gonzales shared the lead from round 7 and won solo starting round 9.

The biggest upset came in round 10: Jean Franco Chicana Bendezu (1449) beat Sofhia Fernanda Ochochoque Huayhua (1775), a +326-point gap.

Location
🇵🇪Arequipa, Peru
Dates
19 Apr 2026 → 22 Apr 2026
Time control
Standard: 30 minutes for game with 30 seconds increment from move 1
System
Swiss · 11 rounds
Top seed
🇵🇪Sofhia Fernanda Ochochoque Huayhua1775
Avg top 10
798
Participants
11
Federations · 1 represented
🇵🇪Peru×11
Top 3

How it unfolded

Top 6 · 11 rounds

Rodrigo Oswaldo Viveros Gonzales led from R9; +1.5-point edge over the runner-up.

Co-leaders
3
2
1
1
1
1
2
2
1
1
1
35.58.511R1R2R3R4R5R6R7R8R9R10R11Viveros Gonzales takes lead
Viveros Gonzales10Colque Salcedo8.5Romani Flores7Romero Velasquez6Gamero Alfaro5.5Remigio Atoche4
R9 · LEADER CHANGE21 Apr

Rodrigo Oswaldo Viveros Gonzales takes the sole lead (8.0/9).

R7 · HEAD-TO-HEAD · WINNER VS 2ND

Rodrigo Oswaldo Viveros Gonzales beat Adriel Samin Colque Salcedo (Black).

WIN STREAKS · 3 top finishers

Rodrigo Oswaldo Viveros Gonzales 10 wins (R1–R11)Adriel Samin Colque Salcedo 6 wins (R1–R6)Vivian Daniela Romani Flores 5 wins (R3–R8)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Rodrigo Oswaldo Viveros Gonzales*
1
1
1
2Adriel Samin Colque Salcedo
0
*
1
1
3Vivian Daniela Romani Flores
0
0
*
0
4Jimena Romero Velasquez
0
0
1
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7R8R9R10R11PtsBu C1BuSBPerfΔ
1Viveros Gonzales, Rodrigo Oswaldo1700PER+11B+6NF+4B+9N+5B+2N+7B+3N+10B+8N10.044.044.044.002374+27.0
2Colque Salcedo, Adriel Samin1513PER+7B+3N+10B+8N+11B+6N−1B+4N=9B+5NF8.545.545.534.001712+38.0
3Romani Flores, Vivian Daniela0PER+5N−2B+7NF+10B+8N+11B+6N−1B−4N+9B7.047.047.022.5015270.0
4Romero Velasquez, Jimena1542PER=8B+11N+6B−1NFF+5N−2B=7N+3B+10N6.048.048.023.001287-37.6
5Gamero Alfaro, Alessandra Elizabeth0PER−3B+10N+8B+11N+6B−1N−4B=9NF−2B+7N5.548.548.515.5014500.0
6Remigio Atoche, Micaela Karolina0PERF−1B−4N=9B−5N−2B+7N−3B=10N+8B+11N4.050.050.010.7514500.0
7Chicana Bendezu, Jean Franco1449PER−2NF−3B=10N=8B+11N−6B−1N=4B+9N−5B3.550.550.510.001550+16.8
8Callata Machaca, Maryel Koran0PER=4N=9B−5N−2B=7N−3B+10NF+11B−6N−1B3.550.550.59.2514500.0
9Ochochoque Huayhua, Sofhia Fernanda1775PER=10B=8N=11B=6N−1BFF=5B=2N−7B−3N3.051.051.012.251287-71.2
10Salas Salas, Isabella Kataleya0PER=9N−5B−2N=7B−3NF−8B−11N=6B−1N−4B1.552.552.55.2513590.0
11Ramirez Alvis, Dayra Denisse0PER−1N−4B=9N−5B−2N−7B−3N+10B−8NF−6B1.552.552.53.0012330.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets