Circuito del Oeste 2026 - 1ra etapa

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42 players participated in this 5-round tournament, held from 14 Mar 2026 to 15 Mar 2026 in Montevideo, Uruguay. 3 titled players from 2 federations. Top 10 Elo average was 1936, and top seed was Rafael Muniz (🇺🇾 URU, FM, 2171).

Benjamin Martello (🇺🇾 URU, 1998) won with 4.0/5, ahead of Sebastian Granara Barreto (4.0) and Mateo Alvarez (4.0). Martello shared the lead from round 1, winning on tie-break.

The biggest upset came in round 5: Frank Machado (1735) beat Nazareno Delgado (1877), a +142-point gap.

Location

🇺🇾Montevideo, Uruguay

Dates

14 Mar 2026 → 15 Mar 2026

Time control

Standard: 60 minutes with 30 seconds increment from move 1

System

Swiss · 5 rounds

Top seed

🇺🇾FMRafael Muniz2171

Avg top 10

1,936

Participants

Titled players · 3

FM×2

CM×1

Federations · 2 represented

🇺🇾Uruguay×32

🇨🇴Colombia×1

Top 3

🥇
Benjamin Martello
🇺🇾URU·1998
4.0pts·2064perf+7.8
🥈
FMSebastian Granara Barreto
🇺🇾URU·2099
4.0pts·2085perf+0.6
🥉
Mateo Alvarez
🇺🇾URU·1886
4.0pts·1980perf+10.6

How it unfolded

Top 6 · 5 rounds

Tight race until R5; 5 players tied at 4.0/5, decided on Buchholz. Title race narrowed from 3 co-leaders at R4 to 5 at the finish.

Co-leaders

Muniz4Granara Barreto4Alvarez4Martello4Fauci4Manteiga3.5

R5 · TIEBREAK CLUSTER

5 players finish on 4.0/5. Martello takes the title on Buchholz Cut1 (14.5).

WIN STREAKS · 2 top finishers

FM Rafael Muniz 4 wins (R1–R5)FM Sebastian Granara Barreto 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1FMRafael Muniz	*	—	—	—
2FMSebastian Granara Barreto	—	*	—	½
3Mateo Alvarez	—	—	*	½
4Benjamin Martello	—	½	½	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	Pts	Bu C1	Bu	SB	Perf	Δ
1	Martello, Benjamin	1998	URU	+36B	+11N	+6B	=2N	=3B	4.0	14.5	15.5	11.50	2064	+7.8
2	Granara Barreto, SebastianFM	2099	URU	+21N	+12B	+10N	=1B	=8N	4.0	13.5	15.5	11.75	2085	+0.6
3	Alvarez, Mateo	1886	URU	+37N	+13B	=7N	+10B	=1N	4.0	13.5	14.5	10.75	1980	+10.6
4	Muniz, RafaelFM	2171	URU	+15B	+9N	F	+7B	+11N	4.0	13.0	13.0	13.00	2571	+6.4
5	Fauci, Bruno	1874	URU	F	+32N	+18B	+31N	+17B	4.0	8.5	8.5	8.50	2557	+42.0
6	Machin, Roberto	1804	URU	+23N	+29B	−1N	+13B	=9N	3.5	12.5	14.0	8.25	1804	+1.2
7	Machado, Frank	1735	URU	+40N	+22B	=3B	−4N	+18B	3.5	12.5	13.0	7.00	1966	+16.2
8	Manteiga, FrancoCM	2032	URU	F	+19N	+15B	+14N	=2B	3.5	12.5	12.5	10.50	2087	+6.8
9	Piriz, Facundo	1729	URU	+33B	−4B	+21N	+25N	=6B	3.5	11.5	12.5	6.75	1796	+3.8
10	Gorin, Fernando	1840	URU	+39N	+16B	−2B	−3N	+27B	3.0	13.0	14.0	6.00	1725	-9.0
11	Pelaez, Diego	1696	URU	+38N	−1B	+27N	+22B	−4B	3.0	12.0	13.0	5.00	1247	-4.6
12	Esquibel, Juan	1659	URU	+28B	−2N	=14B	+19N	=31B	3.0	11.5	13.0	6.75	1723	+8.8
13	Miladinoff, David	1573	URU	+26B	−3N	+24B	−6N	+34B	3.0	11.5	12.5	5.00	1045	-7.0
14	de los Santos, Joaquin	1641	URU	+35N	=18B	=12N	−8B	+23N	3.0	11.0	12.0	5.75	1731	+9.6
15	Pintos, German	1455	URU	−4N	+33B	−8N	+38B	+22N	3.0	10.5	11.5	4.00	1055	-6.4
16	Mazzeo, Jose	1568	URU	+30B	−10N	+34B	−17N	+26B	3.0	9.5	10.5	4.50	1007	-8.0
17	Polito, Evangelina	1774	URU	+41B	+34N	F	+16B	−5N	3.0	8.0	8.0	4.00	1720	-5.2
18	Delgado, Nazareno	1877	URU	+24B	=14N	−5N	+29B	−7N	2.5	12.5	14.0	5.00	1610	-54.8
19	Tachini, Luis	1572	URU	=20N	−8B	+37N	−12B	+30N	2.5	10.5	11.5	3.75	1016	-18.4
20	Pozzi, Alexander	0	URU	=19B	−?N	+32B	F	+29N	2.5	5.5	5.5	4.25	1552	0.0
21	FIDE 3039897	0	—	−2B	+28N	−9B	F	+35N	2.0	11.5	12.5	3.00	1114	0.0
22	Viglione, Daxel	0	URU	+25B	−7N	+?B	−11N	−15B	2.0	11.5	11.5	2.00	1506	0.0
23	Ibarra, Joaquin	0	URU	−6B	−25N	+28B	+?N	−14B	2.0	10.5	10.5	2.00	1420	0.0
24	De Los Santos, Juan	0	URU	−18N	+35B	−13N	F	+25B	2.0	9.5	10.5	3.00	1511	0.0
25	Cuello, Alessandro	1457	URU	−22N	+23B	+39N	−9B	−24N	2.0	9.5	10.5	3.00	928	-6.8
26	Porto, William	0	URU	−13N	−27B	+33N	+36B	−16N	2.0	9.0	10.0	2.00	770	0.0
27	Carballo, Milton	0	URU	F	+26N	−11B	+35B	−10N	2.0	9.0	9.0	3.00	968	0.0
28	FIDE 3033236	0	—	−12N	−21B	−23N	+?B	+40N	2.0	7.5	7.5	0.50	859	0.0
29	dos Santos, Lucas	1536	URU	+42B	−6N	=30B	−18N	−20B	1.5	10.0	10.0	0.75	1041	-11.6
30	Silva, Mathias	0	URU	−16N	+37B	=29N	−?B	−19B	1.5	8.0	8.0	1.75	1301	0.0
31	Pizarro, Nick	1620	URU	F	+41N	F	−5B	=12N	1.5	8.0	8.0	1.50	1574	-5.6
32	FIDE 3038890	0	—	−?N	−5B	−20N	=40B	+?N	1.5	7.0	7.0	0.25	1045	0.0
33	Naranjo Amaya, Javier Hernando	0	COL	−9N	−15N	−26B	+?B	F	1.0	9.5	9.5	0.00	792	0.0
34	Torrini, Emiliano	0	URU	+?B	−17B	−16N	F	−13N	1.0	9.0	9.0	0.00	1422	0.0
35	Porco, Thiago	0	URU	−14B	−24N	+41B	−27N	−21B	1.0	9.0	9.0	0.00	841	0.0
36	FIDE 3037495	0	—	−1N	+38B	F	−26N	F	1.0	8.5	9.5	1.00	1198	0.0
37	FIDE 3033031	0	—	−3B	−30N	−19B	F	+42N	1.0	8.0	8.0	0.00	929	0.0
38	Poletti, Eduardo	0	URU	−11B	−36N	+42B	−15N	F	1.0	7.0	7.0	0.00	776	0.0
39	FIDE 3039900	0	—	−10B	+42N	−25B	F	F	1.0	5.0	5.0	0.00	849	0.0
40	FIDE 3039714	0	—	−7B	F	F	=32N	−28B	0.5	7.0	7.0	0.75	935	0.0
41	FIDE 3033260	0	—	−17N	−31B	−35N	F	F	0.0	6.5	6.5	0.00	897	0.0
42	FIDE 3037266	0	—	−29N	−39B	−38N	F	−37B	0.0	4.5	4.5	0.00	736	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Fauci, BrunoURU
+42.0
4.0 pts · #6
2Machado, FrankURU
+16.2
3.5 pts · #13
3Alvarez, MateoURU
+10.6
4.0 pts · #4

Top rating losers

1Delgado, NazarenoURU
-54.8
2.5 pts · #11
2Tachini, LuisURU
-18.4
2.5 pts · #40
3dos Santos, LucasURU
-11.6
1.5 pts · #29

Biggest upsets

R5+142 Elo gap
Machado, Frank1735 beat Delgado, Nazareno1877