CChessStats

IRT de Primavera 2025 Concepcion

Open SwissStandard

20 players participated in this 5-round tournament, held from 23 Oct 2025 to 06 Nov 2025 in Concepcion, Chile. 1 titled players. Top 10 Elo average was 1735, and top seed was Benjamin Cid Munoz (🇨🇱 CHI, CM, 1970).

Emilia Esperanza Alarcon Diaz (🇨🇱 CHI, 1690) won with 4.0/5, ahead of Francisco Rivas Araneda (3.5) and Agustin Saez Fernandez (3.0). Alarcon Diaz clinched sole first place in the final round.

The biggest upset came in round 5: Emilia Esperanza Alarcon Diaz (1690) beat Agustin Saez Fernandez (1825), a +135-point gap.

Location
🇨🇱Concepcion, Chile
Dates
23 Oct 2025 → 06 Nov 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 5 rounds
Top seed
🇨🇱CMBenjamin Cid Munoz1970
Avg top 10
1,735
Participants
20
Titled players · 1
CM×1
Federations · 1 represented
🇨🇱Chile×19
Top 3

How it unfolded

Top 6 · 5 rounds

Emilia Esperanza Alarcon Diaz led from R5; +0.5-point edge over the runner-up. Title race converged from 5 co-leaders at R4 to 1 by R5.

Co-leaders
10
4
2
5
1
1.52.545R1R2R3R4R5
Alarcon Diaz4Rivas Araneda3.5Saez Fernandez3Castro Vidal3Cid Munoz3Toledo Ramirez3
R5–R5 · LEAD HELD

Emilia Esperanza Alarcon Diaz held the sole lead from R5 through R5 without losing it.

R3 · HEAD-TO-HEAD · WINNER VS 2ND

Emilia Esperanza Alarcon Diaz beat Francisco Rivas Araneda (Black).

R3–R5 · WIN STREAK

Emilia Esperanza Alarcon Diaz won 3 in a row (R3–R5).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Emilia Esperanza Alarcon Diaz*
1
1
—
2Francisco Rivas Araneda
0
*——
3Agustin Saez Fernandez
0
—*
0
4Felix Cristian Castro Vidal——
1
*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Alarcon Diaz, Emilia Esperanza1690CHI+11N−6B+2N+4B+3N4.012.514.511.501972+70.8
2Rivas Araneda, Francisco1796CHI+8B=9N−1B+12N+14B3.511.513.58.251630-28.8
3Saez Fernandez, Agustin1825CHI+10B+4N−5B+8N−1B3.013.015.58.501690-28.0
4Oyarzun Cayo, Patricio Alejandro1636CHI+15N−3B+11N−1N+9B3.011.513.56.501625-2.4
5Castro Vidal, Felix Cristian1854CHI+16N+13B+3NFF3.011.013.07.002468+33.2
6Cid Munoz, BenjaminCM1970CHI+19B+1N+7BFF3.010.510.57.502489+10.4
7Toledo Ramirez, Guillermo1807CHI+14N+17B−6N+13BF3.010.011.55.501853+6.6
8Cerda Rifo, Cesar1444CHI−2N+18B+17N−3B+12N3.010.010.54.001601+18.0
9Morales Valderrama, Arturo1553CHI+18N=2B−13N+15B−4N2.510.511.04.251425-17.6
10Baeza Avello, Pedro Efrain1463CHI−3N−15B=18N+20B+19N2.56.06.00.751676+19.2
11Bucarey Seguel, Gonzalo1430CHI−1B+19N−4B+16BF2.011.011.52.501592+33.6
12Munoz Solar, Joaquin Alfonso0CHI−17N+14B+16N−2B−8B2.010.512.04.0014800.0
13Miranda Iubini, Noa1661CHI+20B−5N+9B−7NF2.010.510.52.501613-8.4
14Oyarzun Nunez, Gabriel Alejandro1451CHI−7B−12N+20B+17B−2N2.010.010.01.501595+16.8
15Campos Ormeno Jose Patricio0CHI−4B+10N=19B−9N=17B2.09.510.03.5014750.0
16Ojeda Toledo, Leonor Monserrat1515CHI−5B+20N−12B−11N+18B2.07.57.50.50842-29.6
17Soto Riveros, Juan1556CHI+12B−7N−8B−14N=15N1.510.012.03.00767-29.6
18Riquelme Chavarria, Rafael0CHI−9B−8N=10BF−16N0.510.010.51.2511720.0
19Fontanilla Melendez, Pedro Ignacio1524CHI−6N−11B=15NF−10B0.59.510.01.00806-51.6
20FIDE 34818590—−13N−16B−14N−10NF0.08.58.50.007230.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets