XXXV Torneo Internacional de Ajedrez GM Carlos Torre Repetto in Memoriam 2025. U12

Open SwissStandard

19 players participated in this 7-round tournament, held from 16 Dec 2025 to 19 Dec 2025 in YUC, Progreso, Mexico. 2 federations represented. Top 10 Elo average was 628, and top seed was Alberto Garcia Tabasco (🇨🇺 CUB, 1891).

Ian Marco Martinez Nestor (🇲🇽 MEX, 1730) won with 6.0/7, ahead of Jasper Uriel Smiers Guillermo (5.0) and Carlos Alberto Santoyo Roman (5.0). Martinez Nestor shared the lead from round 5 and broke clear in the final round.

Location

🇲🇽YUC, Progreso, Mexico

Dates

16 Dec 2025 → 19 Dec 2025

Time control

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

System

Swiss · 7 rounds

Avg top 10

628

Participants

19

Federations · 2 represented

🇲🇽Mexico×9

🇨🇺Cuba×2

Top 3

🥇
Ian Marco Martinez Nestor
🇲🇽MEX·1730
6.0pts·2335perf+20.0
🥈
Jasper Uriel Smiers Guillermo
🇲🇽MEX
5.0pts·1587perf0.0
🥉
Carlos Alberto Santoyo Roman
🇲🇽MEX·1478
5.0pts·714perf-18.0

How it unfolded

Top 6 · 7 rounds

Ian Marco Martinez Nestor led from R3; +1.0-point edge over the runner-up.

Co-leaders

12

4

1

2

4

2

1

Martinez Nestor6Smiers Guillermo5Estrella Caceres5Santoyo Roman5Barrera Santos4.5Pupo Casals4.5

R3–R7 · LEAD HELD

Ian Marco Martinez Nestor never relinquished the lead after R3; final gap +1.0 over the runner-up.

R5 · HEAD-TO-HEAD · WINNER VS 2ND

Ian Marco Martinez Nestor beat Jasper Uriel Smiers Guillermo (Black).

WIN STREAKS · 2 top finishers

Ian Marco Martinez Nestor 3+3 wins (R1–R3, R5–R7)Derek Manuel Estrella Caceres 3 wins (R3–R5)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Ian Marco Martinez Nestor	*	1	1	—
2Jasper Uriel Smiers Guillermo	0	*	—	1
3Derek Manuel Estrella Caceres	0	—	*	—
4Carlos Alberto Santoyo Roman	—	0	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	Pts	Bu C1	Bu	SB	Perf	Δ
1	Martinez Nestor, Ian Marco	1730	MEX	+19N	+4B	+7N	−?B	+2N	+5B	+6N	6.0	24.5	24.5	24.50	2335	+20.0
2	Smiers Guillermo, Jasper Uriel	0	MEX	+11B	=5N	+3B	+6N	−1B	+8N	=?N	5.0	27.5	27.5	19.25	1587	0.0
3	Santoyo Roman, Carlos Alberto	1478	MEX	+12N	+15B	−2N	−7B	+14N	+17B	+9N	5.0	22.0	24.0	15.00	714	-18.0
4	Estrella Caceres, Derek Manuel	0	MEX	+14B	−1N	+?B	+8N	+9N	−?B	+7N	5.0	21.0	21.0	15.00	1621	0.0
5	Pupo Casals, David Emanuel	1554	CUB	+18N	=2B	+13N	+10B	−?N	−1N	+11B	4.5	24.0	24.0	15.50	927	-10.8
6	Barrera Santos, Alvaro Jesus	0	MEX	+?N	=13B	+16N	−2B	+?N	+7B	−1B	4.5	21.0	21.0	8.25	1621	0.0
7	Gomez Herrera, Daniel David	1514	CUB	+16B	+8N	−1B	+3N	+17B	−6N	−4B	4.0	27.0	29.0	13.50	1603	+8.8
8	Barrera Lorenzana, Iker Gabriel	0	MEX	+?N	−7B	+?N	−4B	+12N	−2B	+17N	4.0	19.5	19.5	5.50	714	0.0
9	FIDE 29690013	0	—	+?B	−?N	+18B	+15N	−4B	+?N	−3B	4.0	14.5	14.5	4.50	679	0.0
10	FIDE 29698022	0	—	+?B	+17N	−?B	−5N	−11B	+18N	+?N	4.0	12.0	12.0	4.00	755	0.0
11	FIDE 29696054	0	—	−2N	−?B	+?N	+18B	+10N	=13B	−5N	3.5	19.0	19.0	7.75	755	0.0
12	Carrera Diaz, Emiliano Jacob	0	MEX	−3B	+?N	+14B	−17N	−8B	+?N	=16B	3.5	16.5	16.5	4.25	679	0.0
13	Calderon Gordillo, Liah Nicole	0	MEX	+?B	=6N	−5B	=?N	=15B	=11N	=?B	3.5	15.0	15.0	5.25	755	0.0
14	FIDE 550009796	0	—	−4N	+?B	−12N	+?B	−3B	+?N	−15B	3.0	16.0	16.0	0.00	679	0.0
15	Rueda Diaz, Yumil	0	MEX	F	−3N	+?B	−9B	=13N	−?B	+14N	2.5	15.5	15.5	4.75	679	0.0
16	FIDE 29680913	0	—	−7N	F	−6B	+?N	−?B	+?B	=12N	2.5	12.0	12.0	1.75	714	0.0
17	FIDE 5185874	0	—	+?N	−10B	F	+12B	−7N	−3N	−8B	2.0	20.5	20.5	3.50	697	0.0
18	FIDE 550015338	0	—	−5B	F	−9N	−11N	+?B	−10B	+?N	2.0	16.0	16.0	0.00	755	0.0
19	FIDE 29660254	0	—	−1B	−?N	−?B	+?N	−?B	=?B	−?N	1.5	6.0	6.0	0.00	927	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Martinez Nestor, Ian MarcoMEX
+20.0
6.0 pts · #1
2Gomez Herrera, Daniel DavidCUB
+8.8
4.0 pts · #5
3FIDE 5185874
0.0
2.0 pts · #12

Top rating losers

1Santoyo Roman, Carlos AlbertoMEX
-18.0
5.0 pts · #6
2Pupo Casals, David EmanuelCUB
-10.8
4.5 pts · #15
3FIDE 5185874
0.0
2.0 pts · #12