14a. COPA ZALAZAR - SEMIFINAL AMATEUR SUB 2300

Open SwissStandard

40 players participated in this 6-round tournament, held from 19 Jul 2025 to 02 Aug 2025 in Monte Grande, Argentina. 3 federations represented. Top 10 Elo average was 1955, and top seed was Matias Andres Cabral (🇦🇷 ARG, 2033).

Raul Mayo (🇦🇷 ARG, 1981) won with 5.5/6, ahead of Roberto Lo Presti (5.0) and Jose Leonardo Figueroa Alvarez (5.0). Mayo won solo starting round 5.

The biggest upset came in round 3: Lourdes Suarez Saavedra (1582) beat Juan Carlos Barrientos Medina (2004), a +422-point gap.

Location

🇦🇷Monte Grande, Argentina

Dates

19 Jul 2025 → 02 Aug 2025

Time control

Standard: 60 minutes with 30 seconds increment from move 1

System

Swiss · 6 rounds

Top seed

🇦🇷Matias Andres Cabral2033

Avg top 10

1,955

Participants

Federations · 3 represented

🇦🇷Argentina×35

🇻🇪Venezuela×1

🇧🇴Bolivia×1

Top 3

🥇
Raul Mayo
🇦🇷ARG·1981
5.5pts·2283perf+34.8
🥈
Roberto Lo Presti
🇦🇷ARG·1933
5.0pts·2156perf+33.0
🥉
Jose Leonardo Figueroa Alvarez
🇦🇷ARG·1877
5.0pts·1920perf+6.4

How it unfolded

Top 6 · 6 rounds

Raul Mayo led from R5; +0.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.

Co-leaders

Mayo5.5Lo Presti5Figueroa Alvarez5Menasse4Cabral4Ponzo4

R5–R6 · LEAD HELD

Raul Mayo held the sole lead from R5 through R6 without losing it.

R4 · HEAD-TO-HEAD · WINNER VS 2ND

Raul Mayo drew with Roberto Lo Presti (White).

WIN STREAKS · 3 top finishers

Raul Mayo 3 wins (R1–R3)Roberto Lo Presti 3 wins (R1–R3)Jose Leonardo Figueroa Alvarez 5 wins (R2–R6)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Raul Mayo	*	½	—	—
2Roberto Lo Presti	½	*	—	—
3Jose Leonardo Figueroa Alvarez	—	—	*	—
4Lautaro Menasse	—	—	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	Pts	Bu C1	Bu	SB	Perf	Δ
1	Mayo, Raul	1981	ARG	+7N	+18B	+8N	=2B	+4N	+11B	5.5	19.0	21.5	19.00	2283	+34.8
2	Lo Presti, Roberto	1933	ARG	+25N	+4B	+11N	=1N	=17B	+9B	5.0	18.5	20.0	16.00	2156	+33.0
3	Figueroa Alvarez, Jose Leonardo	1877	ARG	−23N	+13N	+29B	+30B	+7N	+17B	5.0	12.0	13.0	11.00	1920	+6.4
4	Cabral, Matias Andres	2033	ARG	+27B	−2N	+15B	+20N	−1B	+12N	4.0	19.0	20.0	9.50	1952	-9.8
5	Ponzo, Fabian	1975	ARG	+37B	−12N	+26N	+16B	=9N	=8B	4.0	13.5	13.5	7.00	1869	-11.2
6	Menasse, Lautaro	1833	ARG	F	+23B	=16N	=7B	+31N	+10B	4.0	12.5	12.5	9.50	2007	+43.6
7	Duran, Nicolas	1711	ARG	−1B	+27N	+13B	=6N	−3B	+22N	3.5	19.5	20.5	8.00	1827	+19.0
8	Zafferano, Juan Carlos	1913	ARG	+15B	+28N	−1B	+12N	−11B	=5N	3.5	18.5	19.5	9.00	1933	+5.2
9	Bastone, Nicolas Ariel	1989	ARG	+19B	−11N	+35B	+18N	=5B	−2N	3.5	17.0	17.5	7.50	1880	-27.6
10	Farias, Guillermo Alejandro	1944	ARG	=13B	+39N	+12B	−17N	+24B	−6N	3.5	14.5	14.5	6.50	1719	-27.6
11	Capuano, Gabriel	1899	ARG	+14N	+9B	−2B	F	+8N	−1N	3.0	20.5	21.5	10.00	1952	+8.8
12	Tarn, Gerald	1785	BOL	+40N	+5B	−10N	−8B	+35N	−4B	3.0	15.5	15.5	4.50	1860	+11.8
13	Andrada, Elias	1664	ARG	=10N	−3B	−7N	=36B	+32N	+35B	3.0	13.5	14.0	3.50	1643	-8.0
14	Cabral, Ramon	1584	ARG	−11B	=19N	=22B	+34N	−16N	+26B	3.0	11.0	12.0	4.25	1530	-13.2
15	Gonzalez, Raul	1612	ARG	−8N	+21B	−4N	−26B	+37N	+38B	3.0	11.0	11.0	2.50	1789	+15.4
16	Pennini, Mario Fabian	1789	ARG	F	F	=6B	−5N	+14B	+18N	2.5	15.5	15.5	7.50	1893	+11.2
17	Rodriguez Pinto, Bruno	1706	ARG	F	F	+31B	+10B	=2N	−3N	2.5	15.5	15.5	7.00	1986	+58.4
18	Quarta, Alejandro	1801	ARG	+26B	−1N	+37N	−9B	=25N	−16B	2.5	14.0	14.0	1.75	1540	-24.0
19	Pinto, Natalia	1740	ARG	−9N	=14B	F	+38N	+29B	−20B	2.5	10.0	10.0	2.50	1669	-8.6
20	Queimalinos, Juan	1832	ARG	F	=35N	+32B	−4B	F	+19N	2.5	9.0	9.0	3.75	1767	-9.2
21	Ojeda, Gaston Exequiel	1770	ARG	−28B	−15N	+27B	=22N	F	+29N	2.5	8.0	8.0	3.00	1673	-23.6
22	Djimcherachvili, Lia	1464	ARG	F	F	=14N	=21B	+26N	−7B	2.0	12.5	12.5	3.75	1565	+13.2
23	Suarez Saavedra, Lourdes	1582	ARG	+3B	−6N	+28B	F	F	F	2.0	10.0	10.0	6.00	2022	+31.6
24	Barberon, Federico Joaquin	0	ARG	F	−30N	+39B	F	−10N	+25B	2.0	7.0	7.0	1.50	1744	0.0
25	Silva, Jorgelina del Valle	1645	ARG	−2B	F	F	+32N	=18B	−24N	1.5	10.5	10.5	2.25	1674	-2.0
26	Bustillos Huallpa, Hernan	0	ARG	−18N	F	−5B	+15N	−22B	−14N	1.0	14.5	14.5	3.00	1447	0.0
27	Martinez Rodriguez, Julian Del Valle	1800	VEN	−4N	−7B	−21N	F	F	+36B	1.0	10.5	10.5	0.50	1565	-24.2
28	Barrientos Medina, Juan Carlos	2004	ARG	+21N	−8B	−23N	F	F	F	1.0	10.0	10.0	2.50	1639	-26.6
29	Jardin, Joaquin	1483	ARG	F	F	−3N	+37B	−19N	−21B	1.0	10.0	10.0	0.00	997	-16.4
30	Romano, Guillermo	1734	ARG	F	+24B	F	−3N	F	F	1.0	9.5	9.5	2.00	1077	-6.2
31	Hernandez, Luis Crisanto	1810	ARG	F	+36B	−17N	F	−6B	F	1.0	7.0	7.0	0.50	1559	-19.2
32	Czupiak, Santino	0	ARG	F	F	−20N	−25B	−13B	+37N	1.0	7.0	7.0	0.00	928	0.0
33	FIDE 125237	0	—	F	F	+36N	F	F	F	1.0	6.0	6.0	0.50	1534	0.0
34	FIDE 20060505	0	—	F	F	F	−14B	+36N	F	1.0	3.5	3.5	0.50	1549	0.0
35	Forgione, Nicolas	1528	ARG	F	=20B	−9N	F	−12B	−13N	0.5	12.0	12.0	1.25	1481	-8.8
36	Yacomini, Isabella	1516	ARG	F	−31N	−33B	=13N	−34B	−27N	0.5	7.0	7.0	1.50	1485	-4.4
37	FIDE 20064071	0	—	−5N	F	−18B	−29N	−15B	−32B	0.0	11.5	11.5	0.00	918	0.0
38	Canalicchio Jaureche, Benicio Don	1458	ARG	F	F	F	−19B	F	−15N	0.0	6.5	6.5	0.00	876	-18.0
39	Baca, Jorge	1606	ARG	F	−10B	−24N	F	F	F	0.0	6.0	6.0	0.00	1144	-2.4
40	Gualpa, Carlos	1767	ARG	−12B	F	F	F	F	F	0.0	4.0	4.0	0.00	986	-9.4

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Rodriguez Pinto, BrunoARG
+58.4
2.5 pts · #15
2Menasse, LautaroARG
+43.6
4.0 pts · #4
3Mayo, RaulARG
+34.8
5.5 pts · #1

Top rating losers

1Bastone, Nicolas ArielARG
-27.6
3.5 pts · #6
2Farias, Guillermo AlejandroARG
-27.6
3.5 pts · #12
3Barrientos Medina, Juan CarlosARG
-26.6
1.0 pts · #26

Biggest upsets

R3+422 Elo gap
Suarez Saavedra, Lourdes1582 beat Barrientos Medina, Juan Carlos2004
R1+295 Elo gap
Suarez Saavedra, Lourdes1582 beat Figueroa Alvarez, Jose Leonardo1877
R4+238 Elo gap
Rodriguez Pinto, Bruno1706 beat Farias, Guillermo Alejandro1944