CChessStats

6 Open IRT Clasico Sub 1800 Circulo Peruano de Ajedrez

Open SwissStandard

20 players participated in this 7-round tournament, held from 14 Nov 2025 to 16 Nov 2025 in Lima, Peru. 1 titled players. Top 10 Elo average was 1691, and top seed was Sergio Gabriel Reyes Zavaleta (🇵🇪 PER, 1797).

Sergio Gabriel Reyes Zavaleta (🇵🇪 PER, 1797) won with 6.0/7, ahead of Miguel Angel Huamani Davila (5.0) and Rihanna Irina Rojas Salas (5.0). Reyes Zavaleta broke clear in the final round.

The biggest upset came in round 7: Saul Valentin Flores Mallqui (1514) beat Miguel Angel Huamani Davila (1703), a +189-point gap.

Location
🇵🇪Lima, Peru
Dates
14 Nov 2025 → 16 Nov 2025
Time control
Standard: 30 minutes for game with 30 seconds increment from move 1
System
Swiss · 7 rounds
Top seed
🇵🇪Sergio Gabriel Reyes Zavaleta1797
Avg top 10
1,691
Participants
20
Titled players · 1
WCM×1
Federations · 1 represented
🇵🇪Peru×20
Top 3

How it unfolded

Top 6 · 7 rounds

Sergio Gabriel Reyes Zavaleta led from R7; +1.0-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R7.

Co-leaders
7
2
2
2
2
2
1
23.55.57R1R2R3R4R5R6R7
Reyes Zavaleta6Rojas Salas5Huamani Davila5Flores Mallqui5Gutarra Minaya4.5Salinas Gonzales4
R7–R7 · LEAD HELD

Sergio Gabriel Reyes Zavaleta never relinquished the lead after R7; final gap +1.0 over the runner-up.

R5 · HEAD-TO-HEAD · WINNER VS 2ND

Sergio Gabriel Reyes Zavaleta beat Rihanna Irina Rojas Salas (Black).

WIN STREAKS · 2 top finishers

Sergio Gabriel Reyes Zavaleta 3 wins (R3–R5)Miguel Angel Huamani Davila 3 wins (R3–R5)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Sergio Gabriel Reyes Zavaleta*
1
½
—
2Rihanna Irina Rojas Salas
0
*—
1
3Miguel Angel Huamani Davila
½
—*
0
4Saul Valentin Flores Mallqui—
0
1
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Reyes Zavaleta, Sergio Gabriel1797PER+15N=2B+8N+13B+3N=5B+6N6.024.025.520.751986+44.6
2Huamani Davila, Miguel Angel1703PER+18B=1N+9B+5N+6B=8N−4B5.026.027.017.251776+12.0
3Rojas Salas, Rihanna Irina1779PER+4B−5N+12B+9N−1B+10N+11N5.024.526.516.001733-7.8
4Flores Mallqui, Saul Valentin1514PER−3N+17B−13N+14B+7N+16B+2N5.019.020.013.001722+27.0
5Gutarra Minaya, Percy Eduardo1721PERF+3B+6N−2B+16N=1N+8B4.524.525.516.501860+34.3
6Salinas Gonzales, Eliseo Mequias1768PER+12N+7B−5B+10N−2N+19B−1B4.024.525.510.001679-13.8
7Sardon Aragon Alejandro Ulysses1539PER+20B−6N−10B+12N−4B+9N+16B4.018.018.56.501488-11.0
8Oropeza Ortega, Jacob Tiziano1475PERF+11N−1B+15N+9B=2B−5N3.523.023.010.001694+61.2
9Jauregui Casas, Lhuanna Khalezzy1621PER+14N+13B−2N−3B−8N−7B+18B3.021.522.55.001413-47.6
10Carbajal Sotomayor, Cesar Stefano1463PER−13N+14B+7N−6B+15N−3BF3.018.519.57.501599+33.6
11Infantas Arevalo, Thiago Edu1472PERF−8B+17N−16B+20N+12N−3B3.013.013.03.501559+16.4
12Sumoso Tejada, Marcelino1464PER−6B+18N−3N−7B+14N−11BF2.019.019.03.00842-47.2
13Esteban Castro, Esther RaquelWCM1738PER+10B−9N+4B−1NFFF2.018.018.08.001591-29.2
14Garcia Moncada, Maria Estefany Sofia0PER−9B−10N+18B−4N−12BF+20N2.014.514.51.50709-100.4
15Callupe Matias, Rebeca Victoria1516PER−1B+16N=20N−8B−10BFF1.514.014.01.25780-52.4
16Pena Martin, Paolo Cesar0PERF−15BF+11N−5B−4N−7N1.019.019.03.0013130.0
17Quispe Villar, Harim Gabriel1442PERF−4N−11B+18NFFF1.013.513.51.00693-38.8
18Choque Meza, Axel Leonel0PER−2N−12B−14N−17BF+20B−9N1.013.513.50.507660.0
19Rios Clavijo, Cristian1728PERFFF+20BF−6NF1.010.510.50.50968-8.8
20Yanapa Almanza, Daniela Geraldine0PER−7NF=15B−19N−11B−18N−14B0.512.512.50.7512440.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets