CChessStats

IRT SUB-2400 Soberania nacional

Open SwissStandard

31 players participated in this 6-round tournament, held from 21 Nov 2025 to 24 Nov 2025 in Caba, Argentina. 3 federations represented. Top 10 Elo average was 1833, and top seed was Gustavo Altopiedi (🇦🇷 ARG, 1974).

Ezequiel Gullace (🇦🇷 ARG, 1933) won with 4.0/6, ahead of Stefan Botz (4.0) and Lucas Mujica (4.0). Gullace won on tie-break after catching the field in the final round.

The biggest upset came in round 3: Joel Barcaya (1424) beat Mario D Angiola (1644), a +220-point gap.

Location
🇦🇷Caba, Argentina
Dates
21 Nov 2025 → 24 Nov 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 6 rounds
Top seed
🇦🇷Gustavo Altopiedi1974
Avg top 10
1,833
Participants
31
Federations · 3 represented
🇦🇷Argentina×27
🇪🇸Spain×1
FIDE (no federation)×1
Top 3

How it unfolded

Top 6 · 6 rounds

Tight race until R6; 5 players tied at 4.0/6, decided on Buchholz. Title race narrowed from 4 co-leaders at R4 to 5 at the finish.

Co-leaders
9
3
1
4
1
5
1.534.56R1R2R3R4R5R6Botz takes lead
R5 · LEADER CHANGE24 Nov

Stefan Botz takes the sole lead (4.0/5).

R6 · TIEBREAK CLUSTER

5 players finish on 4.0/6. Gullace takes the title on Buchholz Cut1 (18.5).

WIN STREAKS · 2 top finishers

Gustavo Altopiedi 4 wins (R1–R6)Lucas Mujica 3 wins (R2–R4)

Key matchups · top 4

Head-to-head between the four finishers

Grille américaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΔ
1Gullace, Ezequiel1933ARG+13N+6B+2N3B4N+9B4.018.521.513.501931+1.2
2Botz, Stefan1916ARG+11B+18N1B+9B+3N4B4.018.020.512.501922+3.0
3Mujica, Lucas1889ARGF+12B+10N+1N2B+17N4.016.516.512.502044+19.0
4Altopiedi, Gustavo1974ARG+16BF+9NF+1B+2N4.013.513.513.502593+22.6
5Romero, Victoria1597ARG14B+30N7B+24N+19N+21B4.012.512.56.001781+49.2
6Quadri, Silvio1761ARG+28B1N+11B+12N=17B7N3.516.016.57.751760+1.0
7Peredo, Juan Ignacio1731ARGFF+5N+22B=14N+6B3.512.512.511.001989+22.8
8Flecha, Santiago1793ARG+29B9N+19BF=21N+12B3.511.011.07.001827+4.6
9Schveide, Fausto1681ARG+26N+8B4B2N+23B1N3.017.518.56.501767+18.4
10Marinesco, Tomas1761ARG=15N+25B3B11N+18N=13B3.015.517.07.001657-16.4
11Campos, Diego1603ARG2N+27B6N+10B+26N14B3.014.515.55.001677+16.0
12Quintans, Fernando1670ARG+30B3N+24B6B+22N8N3.014.514.53.501609-8.4
13Varessi, Mauro1617ARG1B+28N17B+15N=25B=10N3.014.014.55.751685+9.8
14Lopez, Javier1830ARG+5NF=21BF=7B+11N3.012.512.59.751859+3.0
15Sosto, Hernan1578ARG=10B16N=20N13B+28N+26B3.012.012.54.251542-10.8
16D Angiola, Mario1644ARG4N+15B22N+30B=20N19B2.514.014.04.251490-21.4
17Chocala, Thiago Ignacio1743ARGFF+13N+23B=6N3B2.512.512.56.751807+14.0
18Pino, Eduardo Martin1701ESP+27B2B23N=25N10B+28N2.511.512.02.251581-40.0
19Molina, Sebastian1712FID=24N+31B8NF5B+16N2.511.511.53.251556-35.2
20Villarroel Limachi, John1510ARGF21N=15B+29N=16B=25N2.59.59.54.001620+29.6
21Rivero, Mario1732ARGF+20B=14NF=8B5N2.013.013.05.751682-5.0
22Barcaya, Joel1424ARGFF+16B7N12B+24N2.010.510.54.001646+44.4
23Maksimow, Nicolas1582ARGFF+18B17N9N+27B2.09.09.03.501651+14.8
24Yacomini, Isabella1538ARG=19BF12N5B+29N22B1.512.012.01.751450-23.6
25Cabrera, Marco1552ARGF10NF=18B=13N=20B1.511.011.04.0015600.0
26Montilla Pereda, Ernesto Miguel0ARG9B+29NFF11B15N1.09.59.50.5014220.0
27Ananda Kumari, Devansh1480ARG18N11N=29B=28BF23N1.08.58.50.501364-26.4
28Pelegrino, Antonio1541ARG6N13BF=27N15B18B0.513.013.00.501261-58.0
29Cadelago, Luis1595ARG8N26B=27N20B24BF0.59.59.50.501258-64.0
30FIDE 20064420012N5BF16NFF0.010.510.50.008370.0
31FIDE 200746030F19NFFFF0.04.04.00.009120.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets