CChessStats

IV Irt Semana Santa Santa Sub 2400, Valdivia 2026

Open SwissStandard

19 players participated in this 5-round tournament, held from 28 Mar 2026 to 29 Mar 2026 in Valdivia, Chile. Top 10 Elo average was 1707, and top seed was Arturo Nicolas Araneda Alcaino (πŸ‡¨πŸ‡± CHI, 1852).

Alison Herrera Catrilef (πŸ‡¨πŸ‡± CHI, 1764) won with 4.0/5, ahead of Arturo Nicolas Araneda Alcaino (4.0) and Emilio Alon Larranaga Arriagada (4.0). Herrera Catrilef shared the lead from round 1, winning on tie-break.

Location
πŸ‡¨πŸ‡±Valdivia, Chile
Dates
28 Mar 2026 β†’ 29 Mar 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss Β· 5 rounds
Top seed
πŸ‡¨πŸ‡±Arturo Nicolas Araneda Alcaino1852
Avg top 10
1,707
Participants
19
Federations Β· 1 represented
πŸ‡¨πŸ‡±ChileΓ—19
Top 3

How it unfolded

Top 6 Β· 5 rounds

Tight race until R4; 3 players tied at 4.0/5, decided on Buchholz.

Co-leaders
9
4
2
1
3
1.52.545R1R2R3R4R5
Herrera Catrilef4Araneda Alcaino4Larranaga Arriagada4Alvarado Lillo3.5Iturra Gutierrez3.5Moreira Roldan3
R4–R5 Β· LEAD HELD

Alison Herrera Catrilef held the sole lead from R4 through R5 without losing it.

R5 Β· TIEBREAK CLUSTER

3 players finish on 4.0/5. Herrera Catrilef takes the title on Buchholz Cut1 (14.5).

R3 Β· HEAD-TO-HEAD Β· WINNER VS 2ND

Alison Herrera Catrilef beat Arturo Nicolas Araneda Alcaino (White).

Key matchups Β· top 4

Head-to-head between the four finishers
Player1234
1Alison Herrera Catrilef*
1
0
β€”
2Arturo Nicolas Araneda Alcaino
0
*β€”
1
3Emilio Alon Larranaga Arriagada
1
β€”*β€”
4Sebastian Eduardo Alvarado Lilloβ€”
0
β€”*

Grille amΓ©ricaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΞ”
1Herrera Catrilef, Alison1764CHI+10N+4B+2B+6Nβˆ’3B4.014.517.013.001936+44.0
2Araneda Alcaino, Arturo Nicolas1852CHI+9N+8Bβˆ’1N+5N+6B4.013.516.012.001937+19.2
3Larranaga Arriagada, Emilio Alon1688CHI+17N+18Bβˆ’6N+14B+1N4.08.58.55.501866+38.0
4Iturra Gutierrez, Maria Ignacia1665CHI+16Bβˆ’1N+11B+12N=7B3.511.012.06.501688+5.6
5Alvarado Lillo, Sebastian Eduardo1635CHI+19N=14B+8Nβˆ’2B+9N3.511.011.06.251808+36.4
6Contreras Herrera, Sebastian Andres1784CHI+13B+7N+3Bβˆ’1Bβˆ’2N3.015.017.09.001775-0.4
7Moreira Roldan, Leonardo1682CHI+11Nβˆ’6B+14N=9B=4N3.011.012.56.501710+10.0
8Ruiz Symmes, Arturo1684CHI+15Bβˆ’2Nβˆ’5B+16N+12B3.011.012.04.501606-8.0
9Toro Medina, Mathias Alexander1622CHIβˆ’2B+15N+16B=7Nβˆ’5B2.512.013.04.001563-7.2
10Tobar Sala, Juan Carlos1491CHIβˆ’1Bβˆ’11N=15B+17N+16B2.58.58.51.751432-7.8
11Arredondo Rubilar, Alonso Joaquin1425CHIβˆ’7B+10Bβˆ’4N+18Nβˆ’13B2.011.011.02.501400-6.4
12Caceres Monroy, Josefa Hanan1484CHIβˆ’14N+19B+18Nβˆ’4Bβˆ’8N2.08.08.00.00881-32.0
13Pizarro Rozas, Aaron1541CHIβˆ’6NF+17BF+11N2.05.05.02.001681+22.8
14Merino Barria, Diego Tomas1695CHI+12B=5Nβˆ’7Bβˆ’3NF1.512.512.53.751540-17.2
15Luhrs Obando, OttoFernando1431CHIβˆ’8Nβˆ’9B=10NF+18B1.58.08.01.251326-14.4
16Herrera Catrilef, Pia Agustina0CHIβˆ’4N+17Bβˆ’9Nβˆ’8Bβˆ’10N1.011.511.50.0013440.0
17Gongora Rauch, Agustin Maximiliano1457CHIβˆ’3Bβˆ’16Nβˆ’13Nβˆ’10BF0.09.59.50.00771-42.4
18Herrera Catrilef, Camila Leonor0CHIFβˆ’3Nβˆ’12Bβˆ’11Bβˆ’15N0.09.59.50.007130.0
19Neguiman Osses, Agustina Ignacia0CHIβˆ’5Bβˆ’12NFFF0.07.57.50.007700.0

Key insights

Biggest movers and upsets β€” the story behind the numbers.

Top rating gainers
Top rating losers
IV Irt Semana Santa Santa Sub 2400, Valdivia 2026 β€” Valdivia, Chile | Chess Tournament Results | ChessStats