CChessStats

XXX IRT Clasicas Real Chess Club

Open SwissStandard

23 players participated in this 6-round tournament, held from 17 May 2025 to 18 May 2025 in Trujillo, Peru. 2 titled players. Top 10 Elo average was 1717, and top seed was Jhony Sebas Sifuentes Alcantara (🇵🇪 PER, 1977).

Alex Steven Rodriguez Rubio (🇵🇪 PER, 1947) won with 5.0/6, ahead of Juan de Dios Gabriel Obesso Uribe (5.0) and Joaquin Alonso Nunez Castaneda (4.0). Rodriguez Rubio shared the lead from round 1, winning on tie-break.

The biggest upset came in round 3: Estefano Daniel Cruz Ocas (1451) beat Carlos Alberto Laca Alva (1565), a +114-point gap.

Location
🇵🇪Trujillo, Peru
Dates
17 May 2025 → 18 May 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 6 rounds
Top seed
🇵🇪Jhony Sebas Sifuentes Alcantara1977
Avg top 10
1,717
Participants
23
Titled players · 2
CM×1
WCM×1
Federations · 1 represented
🇵🇪Peru×23
Top 3

How it unfolded

Top 6 · 6 rounds

Tight race until R6; 2 players tied at 5.0/6, decided on Buchholz.

Co-leaders
11
5
3
1
1
2
1.534.56R1R2R3R4R5R6
Obesso Uribe5Rodriguez Rubio5Sifuentes Alcantara4Nunez Castaneda4Alfaro Zambrano3.5Villanueva Rodriguez3.5
R6 · TIEBREAK CLUSTER

2 players finish on 5.0/6. Rodriguez Rubio takes the title on Buchholz Cut1 (18.0).

R3 · HEAD-TO-HEAD · WINNER VS 2ND

Juan de Dios Gabriel Obesso Uribe lost to Alex Steven Rodriguez Rubio (Black).

WIN STREAKS · 2 top finishers

Juan de Dios Gabriel Obesso Uribe 3 wins (R4–R6)Alex Steven Rodriguez Rubio 5 wins (R1–R5)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Juan de Dios Gabriel Obesso Uribe*
0
—
1
2Alex Steven Rodriguez Rubio
1
*
1
—
3Jhony Sebas Sifuentes Alcantara—
0
*—
4Joaquin Alonso Nunez Castaneda
0
——*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΔ
1Rodriguez Rubio, Alex Steven1947PER+17B+15N+2B+4N+5BF5.018.019.516.002491+21.8
2Obesso Uribe, Juan de Dios Gabriel1794PER+13B+20N−1N+11B+3B+5N5.017.018.013.001881+14.2
3Nunez Castaneda, Joaquin Alonso1649PER+11N−5B+14N+9B−2N+7B4.017.519.511.001647+0.4
4Sifuentes Alcantara, Jhony Sebas1977PER+18NF+17B−1B+14N+9B4.013.013.08.001892-4.4
5Romero Condor, Flavio Cesar1563PER+19B+3N+15B=6N−1N−2B3.519.520.58.751780+48.0
6Alfaro Zambrano, Luis FabricioCM1946PER+14N+8B+9N=5BFF3.517.017.010.251901-5.6
7Villanueva Rodriguez, Nicolas Adriano0PER+12B−9B=18N+8B+13N−3N3.515.016.58.7515820.0
8Castro Vasquez, Luis Adrian1565PER+10B−6N=13B−7N+21B+12N3.514.515.57.501693+22.4
9Villacorta Asto, Rodrigo Sebastian1575PER+21B+7N−6B−3N+11B−4N3.017.518.57.001615+1.6
10Gutierrez Fernandez, Jesus Enrique0PER−8N−18B+22N−16B+19N+15B3.010.010.03.0013750.0
11Cruz Ocas, Estefano Daniel1451PER−3B+12N+20B−2N−9N=13B2.516.517.54.501545+25.6
12Tapia Inostroza, Felipe Alonso1555PER−7N−11B+23N+19B=17N−8B2.512.012.01.751239-48.0
13Guadalupe Lujan, Ariana Isabelle1467PER−2N+23B=8NF−7B=11N2.016.016.03.001479-0.4
14Api Bringas, Zamari Teresa1476PER−6B+19N−3B+20N−4BF2.013.513.52.001554+6.4
15Otoya Saavedra, Alejandro Antonio1568PER+22N−1B−5NF+23B−10N2.013.013.00.00959-23.2
16Cisneros Seminario, Brayan Italo1583PERFFF+10NF+17B2.06.06.04.502319+16.4
17Tejada Villalva, Fernando Jhonass1533PER−1N+22B−4NF=12B−16N1.515.515.51.251424-20.4
18Torres Arambulo, Koharu AizeWCM1555PER−4B+10N=7BFFF1.514.514.54.751154-3.2
19Vilchez De la Cruz, Victoria Isabel0PER−5N−14BF−12N−10B+22N1.011.011.00.007390.0
20Laca Alva, Carlos Alberto1565PER+23N−2B−11N−14BFF1.09.59.50.00776-59.6
21Paredes Gamarra, Axel Adrian1413PER−9NFF+22B−8NF1.06.56.50.00772-23.6
22De la Vega Valera, Jose Carlos0PER−15B−17N−10B−21NF−19B0.08.59.50.007010.0
23Rubio Benites, Betty Elizabeth0PER−20B−13N−12BF−15NF0.07.57.50.007400.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets