I IRT CONSTITUCION SUB-1800 2025

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38 players participated in this 5-round tournament, held on 19 Oct 2025 in Constitucion, Chile. 1 titled players. Top 10 Elo average was 1704, and top seed was Jose Tomas Fuentes Caceres (🇨🇱 CHI, 1798).

Jose Fuenzalida Orellana (🇨🇱 CHI, 1745) won with 4.5/5, ahead of Tomas Conejeros Fredes (4.0) and Mario Alexander Salas Poblete (4.0). Fuenzalida Orellana won solo starting round 4.

The biggest upset came in round 3: Nunez Fuentealba. Benjamin Lautaro (1472) beat Rocio Ignacia Rojas Flores (1597), a +125-point gap.

Location

🇨🇱Constitucion, Chile

Dates

19 Oct 2025

Time control

Standard: 30 minutes for game with 30 seconds increment from move 1

System

Swiss · 5 rounds

Top seed

🇨🇱Jose Tomas Fuentes Caceres1798

Avg top 10

1,704

Participants

Titled players · 1

CM×1

Federations · 1 represented

🇨🇱Chile×36

Top 3

🥇
Jose Fuenzalida Orellana
🇨🇱CHI·1745
4.5pts·2003perf+26.2
🥈
Tomas Conejeros Fredes
🇨🇱CHI·1685
4.0pts·1909perf+28.0
🥉
Mario Alexander Salas Poblete
🇨🇱CHI·1746
4.0pts·1896perf+35.6

How it unfolded

Top 6 · 5 rounds

Jose Fuenzalida Orellana led from R4; +0.5-point edge over the runner-up.

Co-leaders

Fuenzalida Orellana4.5Rojas Opazo4Salas Poblete4Conejeros Fredes4Fuentes Caceres4Albornoz Yanez3.5

R4–R5 · LEAD HELD

Jose Fuenzalida Orellana held the sole lead from R4 through R5 without losing it.

WIN STREAKS · 3 top finishers

Jose Fuenzalida Orellana 4 wins (R1–R4)Miguel Edgardo Rojas Opazo 4 wins (R2–R5)Mario Alexander Salas Poblete 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Jose Fuenzalida Orellana	*	—	½	1
2Miguel Edgardo Rojas Opazo	—	*	—	—
3Mario Alexander Salas Poblete	½	—	*	—
4Tomas Conejeros Fredes	0	—	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	Pts	Bu C1	Bu	SB	Perf	Δ
1	Fuenzalida Orellana, Jose	1745	CHI	+26B	+21N	+10B	+2N	=3B	4.5	13.5	15.5	13.50	2003	+26.2
2	Conejeros Fredes, Tomas	1685	CHI	+18B	+13N	+4N	−1B	+7N	4.0	15.0	17.5	13.00	1909	+28.0
3	Salas Poblete, Mario Alexander	1746	CHI	+11N	+6B	+27N	=7B	=1N	4.0	14.5	16.5	12.50	1896	+35.6
4	Fuentes Caceres, Jose Tomas	1798	CHI	+25B	+12N	−2B	+9B	+14N	4.0	13.5	15.5	11.50	1859	+13.6
5	Rojas Opazo, Miguel Edgardo	0	CHI	−17B	+22B	+33N	+19B	+10N	4.0	10.5	11.5	9.00	1698	0.0
6	Hofflingler Becerra, Felipe Esteban	1617	CHI	+15B	−3N	+26B	=8N	+20B	3.5	13.0	15.0	9.25	1599	-3.2
7	Albornoz Yanez, Nicolas Antonio	1733	CHI	+24N	+14B	+32N	=3N	−2B	3.5	13.0	14.0	8.00	1717	-3.2
8	Novoa Garrido, Boris Emilio	1565	CHI	+20N	=19B	=9N	=6B	+17B	3.5	12.0	14.5	9.75	1747	+38.8
9	Guajardo Lagos, Javier Andres	1667	CHI	+37B	+23N	=8B	−4N	+27B	3.5	11.5	11.5	5.75	1707	+9.2
10	Villa Doyharcabal, Jose	1669	CHI	+30N	+16B	−1N	+24B	−5B	3.0	13.5	15.5	7.00	1744	+15.2
11	Orellana Vivanco, Nicolas Alejandro	1506	CHI	−3B	+15N	=12B	=13N	+23B	3.0	13.0	15.0	8.00	1527	+2.8
12	Puga Rillon, Nicolas	1615	CHI	+28N	−4B	=11N	=18B	+24N	3.0	11.5	13.5	6.75	1563	-11.6
13	Sepulveda Munoz, Cristobal Eduard	1590	CHI	+34N	−2B	=18N	=11B	+28N	3.0	11.5	12.5	5.75	1431	-26.0
14	Lizama Diaz, Gabriela Emilia	1579	CHI	+36B	−7N	+29B	+32N	−4B	3.0	10.5	11.5	4.00	1540	-6.8
15	Valdes Herrera, Amaru Patricio	0	CHI	−6N	−11B	+38N	+33B	+25B	3.0	9.5	9.5	3.00	1563	0.0
16	Morales Andrades, Rodrigo Ignacio	1567	CHI	+35B	−10N	+23B	−27N	+29B	3.0	9.0	10.0	5.00	1478	-14.8
17	Araya Pozo, Francisco Javier	1653	CHI	+5N	−32B	+19N	=20B	−8N	2.5	12.5	13.5	7.75	1620	-1.8
18	Fuentes Orellana, Alejandro Antonio	1472	CHI	−2N	+34B	=13B	=12N	=21B	2.5	12.5	13.5	5.25	1536	+11.6
19	Fuentes Chamorro, Javier	1672	CHI	+29B	=8N	−17B	−5N	+32B	2.5	12.0	13.0	4.75	1561	-17.6
20	Mascaro Bravo, Boris Jose	0	CHI	−8B	+37N	+25B	=17N	−6N	2.5	11.5	11.5	3.25	1558	0.0
21	Rojas Flores, Rocio Ignacia	1597	CHI	+31N	−1B	−24N	+30B	=18N	2.5	11.0	12.5	4.75	1440	-35.2
22	Paredes Perez, Marcelo Alonso	1614	CHI	−23B	−5N	=30N	+37B	+33N	2.5	9.0	9.0	2.00	1740	+16.8
23	Lamas Fuentes, Susan Carolina	0	CHI	+22N	−9B	−16N	+35B	−11N	2.0	12.0	13.0	3.50	1397	0.0
24	Nunez Fuentealba. Benjamin Lautaro	1472	CHI	−7B	+36N	+21B	−10N	−12B	2.0	12.0	13.0	3.50	1462	-2.4
25	Munoz Bobadilla, Max	1547	CHI	−4N	+28B	−20N	+31B	−15N	2.0	11.5	13.0	3.50	999	-3.8
26	Abraham Nunez, Vicente Alejandro	1478	CHI	−1N	+31B	−6N	−28B	+34N	2.0	11.5	12.5	2.50	882	-19.6
27	Gonzalez Gonzalez, AgustinCM	1674	CHI	F	+33N	−3B	+16B	−9N	2.0	11.5	11.5	4.00	1642	-7.2
28	Morales Ortega, Rodrigo Andres	0	CHI	−12B	−25N	+35B	+26N	−13B	2.0	10.0	11.0	3.00	1366	0.0
29	Silva Carrasco, Camila Helena	1460	CHI	−19N	+38B	−14N	+34B	−16N	2.0	9.5	9.5	1.00	807	-36.8
30	Villasenor Ayala, Maximiano Alejandro	1414	CHI	−10B	=35N	=22B	−21N	+36B	2.0	9.0	10.0	2.75	1356	-3.6
31	Moyano Gonzalez, Matilda Silvia	0	CHI	−21B	−26N	+36B	−25N	=35N	1.5	7.5	8.5	1.50	742	0.0
32	Alvarez Carter, Vicente Tomas	0	CHI	F	+17N	−7B	−14B	−19N	1.0	11.5	11.5	2.50	1467	0.0
33	Arenas Gomez, Paula Sofia	1578	CHI	+38N	−27B	−5B	−15N	−22B	1.0	11.5	11.5	0.00	845	-32.8
34	Vasquez Faundez, Sofia Alejandra	0	CHI	−13B	−18N	+37B	−29N	−26B	1.0	9.5	9.5	0.00	1242	0.0
35	FIDE 3483800	0	—	−16N	=30B	−28N	−23N	=31B	1.0	9.0	10.5	1.75	1300	0.0
36	FIDE 3484564	0	—	−14N	−24B	−31N	+38B	−30N	1.0	8.5	8.5	0.00	689	0.0
37	Saez Ledezma, Maite Antonella	1406	CHI	−9N	−20B	−34N	−22N	F	0.0	9.5	9.5	0.00	841	-16.4
38	Krauss Bravo, Jorge Carlos	0	CHI	−33B	−29N	−15B	−36N	F	0.0	7.0	7.0	0.00	720	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Novoa Garrido, Boris EmilioCHI
+38.8
3.5 pts · #11
2Salas Poblete, Mario AlexanderCHI
+35.6
4.0 pts · #3
3Conejeros Fredes, TomasCHI
+28.0
4.0 pts · #4

Top rating losers

1Silva Carrasco, Camila HelenaCHI
-36.8
2.0 pts · #32
2Rojas Flores, Rocio IgnaciaCHI
-35.2
2.5 pts · #17
3Arenas Gomez, Paula SofiaCHI
-32.8
1.0 pts · #35

Biggest upsets

R3+125 Elo gap
Nunez Fuentealba. Benjamin Lautaro1472 beat Rojas Flores, Rocio Ignacia1597
R3+113 Elo gap
Conejeros Fredes, Tomas1685 beat Fuentes Caceres, Jose Tomas1798