CChessStats

XXXVIII IRT Clasicas Real Chess Club

Open SwissStandard

23 players participated in this 6-round tournament, held from 11 Mar 2026 to 26 Mar 2026 in Trujillo, Peru. Top 10 Elo average was 1740, and top seed was Piero Alonso Pumachaico Valdiviezo (🇵🇪 PER, 2066).

Piero Alonso Pumachaico Valdiviezo (🇵🇪 PER, 2066) won with 4.5/6, ahead of Juan de Dios Gabriel Obesso Uribe (4.5) and Darikson Ronald Garcia Benites (4.5). Pumachaico Valdiviezo shared the lead from round 1, winning on tie-break.

The biggest upset came in round 6: Darikson Ronald Garcia Benites (1778) beat Piero Alonso Pumachaico Valdiviezo (2066), a +288-point gap.

Location
🇵🇪Trujillo, Peru
Dates
11 Mar 2026 → 26 Mar 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 6 rounds
Top seed
🇵🇪Piero Alonso Pumachaico Valdiviezo2066
Avg top 10
1,740
Participants
23
Federations · 1 represented
🇵🇪Peru×17
Top 3

How it unfolded

Top 6 · 6 rounds

Tight race until R6; 3 players tied at 4.5/6, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 3 at the finish.

Co-leaders
9
4
3
2
1
3
1.534.56R1R2R3R4R5R6
Garcia Benites4.5Pumachaico Valdiviezo4.5Obesso Uribe4.5Villacorta Asto4Cruz Ocas4Ortega Silva3.5
R6 · TIEBREAK CLUSTER

3 players finish on 4.5/6. Pumachaico Valdiviezo takes the title on Buchholz Cut1 (20.0).

R6 · HEAD-TO-HEAD · WINNER VS 2ND

Darikson Ronald Garcia Benites beat Piero Alonso Pumachaico Valdiviezo (Black).

R4–R6 · WIN STREAK

Darikson Ronald Garcia Benites won 3 in a row (R4–R6).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Darikson Ronald Garcia Benites*
1
½
—
2Piero Alonso Pumachaico Valdiviezo
0
*
1
—
3Juan de Dios Gabriel Obesso Uribe
½
0
*—
4Rodrigo Sebastian Villacorta Asto———*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΔ
1Pumachaico Valdiviezo, Piero Alonso2066PER+4N+7B=6N+2B+10N−3B4.520.023.016.751927-28.8
2Obesso Uribe, Juan de Dios Gabriel1831PER+13B+10N=3B−1N+7B+6B4.519.021.514.751903+13.4
3Garcia Benites, Darikson Ronald1778PERF+9B=2N+15B+6N+1N4.518.018.015.752129+76.0
4Cruz Ocas, Estefano Daniel1442PER−1B−8N+17B+19N+15B+16N4.014.015.57.501793+51.6
5Villacorta Asto, Rodrigo Sebastian1774PERFF+14B+8N+13B+11N4.011.511.511.502394+34.4
6Sifuentes Alcantara, Jhony Sebas1804PER+18N+16B=1B+11N−3B−2N3.518.520.08.751809+0.8
7Salazar Rodriguez, Luis1607PER+8B−1N+20B=13N−2N+10B3.518.019.08.751623-1.6
8Ortega Silva, Bruno Miguel0PER−7N+4B=9N−5B+14N+15N3.517.519.510.2515950.0
9Bobadilla Zavaleta, Victor Josue1486PER+21B−3N=8B+22N−11B+13N3.514.515.05.751559+4.0
10Hutter Baun, Walter1552PER+23N−2B+12N+16B−1B−7N3.017.517.55.001542-3.4
11Sebastian Grados, Luis Fernando1821PERF+12B+15N−6B+9N−5B3.016.016.08.501675-14.2
12Rubio Benites, Betty Elizabeth0PER+14B−11N−10B+20N−16N+17B3.012.513.55.5014150.0
13Castillo Valderrama, Renzo Fabricio0PER−2N+23B+19N=7B−5N−9B2.517.017.03.251358-17.6
14Paredes Lujan, Ebert Andre1510PER−12N=22B−5N+23N−8B+18B2.512.512.51.75975-6.8
15Barbaran Villena, Carlos Eduardo1626PER+17N+19B−11B−3N−4N−8B2.017.018.53.50880-24.6
16Api Bringas, Zamari Teresa1543PER+20B−6NF−10N+12B−4B2.014.515.54.00798-53.6
17Lora Peralta, Jaime Antonio0PER−15B−21N−4N+18B+20B−12N2.011.512.52.507250.0
18FIDE 814778800—−6B−20N+23B−17N=19B−14N1.510.510.50.758550.0
19FIDE 814780700—F−15N−13B−4B=18N+23B1.510.010.00.757010.0
20FIDE 814872150—−16N+18B−7N−12B−17NF1.012.012.01.507800.0
21FIDE 814873470—−9N+17BFFFF1.07.57.52.007110.0
22FIDE 814873120—F=14NF−9BFF0.56.06.01.2513160.0
23FIDE 814872230—−10B−13N−18N−14BF−19N0.011.011.00.007040.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets