Club de Ajedrez La Plata IRT Dia de La Bandera

Open SwissStandard

26 players participated in this 6-round tournament, held from 20 Jun 2025 to 22 Jun 2025 in La Plata Bs As, Argentina. 1 titled players from 3 federations. Top 10 Elo average was 1857, and top seed was Fidel Maximo Chanduvi Loayza (🇵🇪 PER, 1990).

Thomas Castillo Gonzalez (🇪🇨 ECU, 1969) won with 5.5/6, ahead of Mario Emanuel Bernasconi (4.5) and Tatiana Nunez (4.5). Castillo Gonzalez won solo starting round 3.

The biggest upset came in round 4: Sebastian Ricco (1473) beat Nicolas Cobelo (1717), a +244-point gap.

Location

🇦🇷La Plata Bs As, Argentina

Dates

20 Jun 2025 → 22 Jun 2025

Time control

Standard: 60 minutes with 30 seconds increment from move 1

System

Swiss · 6 rounds

Avg top 10

1,857

Participants

Titled players · 1

WCM×1

Federations · 3 represented

🇦🇷Argentina×24

🇮🇹Italy×1

🇪🇨Ecuador×1

Top 3

🥇
Thomas Castillo Gonzalez
🇪🇨ECU·1969
5.5pts·2232perf+28.2
🥈
Mario Emanuel Bernasconi
🇮🇹ITA·1940
4.5pts·2034perf+14.2
🥉
Tatiana Nunez
🇦🇷ARG·1726
4.5pts·2008perf+88.8

How it unfolded

Top 6 · 6 rounds

Thomas Castillo Gonzalez led from R3; +1.0-point edge over the runner-up.

Co-leaders

Castillo Gonzalez5.5Nunez4.5Bernasconi4.5Martinez4.5Bahia4Veliz4

R3–R6 · LEAD HELD

Thomas Castillo Gonzalez never relinquished the lead after R3; final gap +1.0 over the runner-up.

WIN STREAKS · 2 top finishers

Thomas Castillo Gonzalez 5 wins (R1–R5)Tatiana Nunez 3 wins (R4–R6)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Thomas Castillo Gonzalez	*	—	1	½
2Tatiana Nunez	—	*	—	—
3Mario Emanuel Bernasconi	0	—	*	—
4Tomas Martinez	½	—	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	Pts	Bu C1	Bu	SB	Perf	Δ
1	Castillo Gonzalez, Thomas	1969	ECU	+8N	+5B	+11N	+2B	+7N	=4B	5.5	20.0	23.0	20.75	2232	+28.2
2	Bernasconi, Mario Emanuel	1940	ITA	+9B	=10N	+18B	−1N	+13B	+7N	4.5	18.5	20.5	13.25	2034	+14.2
3	Nunez, Tatiana	1726	ARG	+13B	−11B	=5N	+16N	+9B	+10N	4.5	16.5	19.0	14.00	2008	+88.8
4	Martinez, Tomas	1791	ARG	−15N	+24B	+22N	+14B	+19B	=1N	4.5	14.0	15.0	9.75	2058	+27.8
5	Veliz, Daira IsisWCM	1795	ARG	+26B	−1N	=3B	=18N	+11B	+12N	4.0	18.0	18.5	9.75	1895	+27.2
6	Bahia, Lucas	1797	ARG	+17N	+15B	−7N	−8B	+14N	+19B	4.0	14.5	16.5	9.50	1768	-2.0
7	Carrique, Carlos	1857	ARG	+20B	=18N	+6B	+11N	−1B	−2B	3.5	19.0	21.0	10.00	1895	+6.8
8	Nunez, Lucia	1780	ARG	−1B	+26N	+20B	+6N	−10B	=18N	3.5	17.0	17.5	7.50	1809	+7.2
9	Tejedor, Julieta Veronica	1765	ARG	−2N	=17B	+21N	+23B	−3N	+16B	3.5	16.0	17.5	7.25	1795	+6.6
10	Araoz, Claudio Alberto	1782	ARG	+25B	=2B	F	+13N	+8N	−3B	3.5	16.0	16.0	9.25	1929	+15.6
11	Romero, Fabian	1824	ARG	+22B	+3N	−1B	−7B	−5N	+20N	3.0	19.5	21.0	8.00	1776	-7.4
12	Iribarren, Francisco	1813	ARG	−19N	−22B	+25N	+24B	+17N	−5B	3.0	11.0	12.0	4.50	1520	-36.6
13	Curto, Mauro	1891	ARG	−3N	+21B	+15N	−10B	−2N	=14B	2.5	17.5	19.5	5.75	1623	-70.8
14	Renkine, Ivan	1799	ARG	+24B	−19N	+16B	−4N	−6B	=13N	2.5	15.5	16.5	4.75	1678	-19.2
15	Hernandez, Carlos Marcelo	0	ARG	+4B	−6N	−13B	=22N	=18B	=23N	2.5	14.5	16.0	7.00	1727	0.0
16	Valverde, Fausto	1831	ARG	=21N	+23B	−14N	−3B	+22B	−9N	2.5	14.0	15.5	4.00	1667	-26.4
17	Ricco, Sebastian	1473	ARG	−6B	=9N	F	+20N	−12B	+22N	2.5	14.0	14.0	5.25	1737	+62.4
18	Bayinay, Juan Santiago	1781	ARG	F	=7B	−2N	=5B	=15N	=8B	2.0	18.0	18.0	6.75	1756	-3.4
19	Cardoso, Mateo	1570	ARG	+12B	+14B	F	F	−4N	−6N	2.0	14.0	14.0	5.50	1800	+46.4
20	Cobelo, Nicolas	1717	ARG	−7N	+25B	−8N	−17B	+24N	−11B	2.0	13.5	14.5	2.00	1452	-64.8
21	Iriarte, Angel Fabian	1611	ARG	=16B	−13N	−9B	=25N	−23N	+26B	2.0	11.0	11.5	2.25	1512	-14.8
22	Trigo, Osvaldo	1594	ARG	−11N	+12N	−4B	=15B	−16N	−17B	1.5	15.5	18.0	4.25	1506	-21.6
23	Cappelletti, Gabriel	1849	ARG	F	−16N	F	−9N	+21B	=15B	1.5	10.5	10.5	3.25	1611	-19.0
24	Sanchez, Jeremias David	1527	ARG	−14N	−4N	+26B	−12N	−20B	F	1.0	12.5	12.5	0.50	980	-30.4
25	Maksimow, Nicolas	0	ARG	−10N	−20N	−12B	=21B	=26N	F	1.0	11.0	11.0	1.25	1409	0.0
26	Almiron, Jorge Fernando	0	ARG	−5N	−8B	−24N	F	=25B	−21N	0.5	11.5	11.5	0.50	878	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Nunez, TatianaARG
+88.8
4.5 pts · #2
2Ricco, SebastianARG
+62.4
2.5 pts · #13
3Cardoso, MateoARG
+46.4
2.0 pts · #17

Top rating losers

1Curto, MauroARG
-70.8
2.5 pts · #18
2Cobelo, NicolasARG
-64.8
2.0 pts · #22
3Iribarren, FranciscoARG
-36.6
3.0 pts · #16

Biggest upsets

R4+244 Elo gap
Ricco, Sebastian1473 beat Cobelo, Nicolas1717
R1+243 Elo gap
Cardoso, Mateo1570 beat Iribarren, Francisco1813
R2+229 Elo gap
Cardoso, Mateo1570 beat Renkine, Ivan1799