XX Festival de Ajedrez Centroamericano y del Caribe de la Juventud - Sub 12 Absoluto

Open SwissStandard

43 players participated in this 9-round tournament, held from 15 Dec 2025 to 20 Dec 2025 in Dorado, Puerto Rico. 1 titled players from 8 federations. Top 10 Elo average was 1797, and top seed was Alejandro Munoz Feliz (🇩🇴 DOM, CM, 2013).

Jasmany Shallom Castillo Romero (🇳🇮 NCA, 1905) won with 8.0/9, ahead of Dhyaan Patel (7.0) and Pablo Garcia Chan (7.0). Castillo Romero won solo starting round 5.

The biggest upset came in round 7: Pablo Garcia Chan (1708) beat Alejandro Munoz Feliz (CM, 2013), a +305-point gap.

Location

🇵🇷Dorado, Puerto Rico

Dates

15 Dec 2025 → 20 Dec 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 9 rounds

Top seed

🇩🇴CMAlejandro Munoz Feliz2013

Avg top 10

1,797

Participants

Titled players · 1

CM×1

Federations · 8 represented

🇵🇷Puerto Rico×11

🇯🇲Jamaica×7

🇩🇴Dominican Republic×4

🇭🇳Honduras×4

🇧🇧Barbados×4

🇰🇾Cayman Islands×2

🇹🇹Trinidad and Tobago×2

🇬🇾Guyana×1

Top 3

🥇
Jasmany Shallom Castillo Romero
🇳🇮NCA·1905
8.0pts·2091perf+69.2
🥈
Dhyaan Patel
🇵🇷PUR·1878
7.0pts·1961perf+41.2
🥉
Pablo Garcia Chan
🇩🇴DOM·1708
7.0pts·1941perf+105.2

How it unfolded

Top 6 · 9 rounds

Jasmany Shallom Castillo Romero led from R5; +1.0-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.

Co-leaders

Castillo Romero8Garcia Chan7Patel7Gradiz Menjivar6.5Flanagan6.5Munoz Feliz6

R5–R9 · LEAD HELD

Jasmany Shallom Castillo Romero never relinquished the lead after R5; final gap +1.0 over the runner-up.

R8 · HEAD-TO-HEAD · WINNER VS 2ND

Jasmany Shallom Castillo Romero drew with Pablo Garcia Chan (Black).

WIN STREAKS · 2 top finishers

Jasmany Shallom Castillo Romero 6 wins (R1–R6)Dhyaan Patel 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Jasmany Shallom Castillo Romero	*	½	1	1
2Pablo Garcia Chan	½	*	0	—
3Dhyaan Patel	0	1	*	0
4Oscar Gradiz Menjivar	0	—	1	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	Castillo Romero, Jasmany Shallom	1905	NCA	+14N	+5B	+11N	+2B	+6N	+8B	=7B	=3N	+4B	8.0	50.0	55.0	48.50	2091	+69.2
2	Patel, Dhyaan	1878	PUR	+15B	+16N	+3B	−1N	+12B	+6B	−4N	+10N	+7B	7.0	49.0	54.0	39.50	1961	+41.2
3	Garcia Chan, Pablo	1708	DOM	+40N	+13B	−2N	+23B	=7N	+5B	+6N	=1B	+11N	7.0	47.5	49.0	35.00	1941	+105.2
4	Gradiz Menjivar, Oscar	1807	HON	+24N	+8B	+12N	−6B	=18N	+11B	+2B	+23N	−1N	6.5	45.5	49.5	33.25	1893	+44.4
5	Flanagan, Dylan	1626	BER	+27B	−1N	=17B	+15N	+13B	−3N	+31B	+19N	+12B	6.5	43.5	47.0	29.50	1737	+46.4
6	Munoz Feliz, AlejandroCM	2013	DOM	+17B	+18N	+10B	+4N	−1B	−2N	−3B	+14N	+23B	6.0	48.5	52.5	30.50	1857	-55.2
7	Vasquez Pagan, Diego	1778	PUR	+21B	+26N	+9B	−10N	=3B	+18B	=1N	+12N	−2N	6.0	47.5	51.5	31.50	1805	+13.2
8	Wright, Luke E	1591	JAM	+28B	−4N	+22B	+39N	+10B	−1N	−12B	+15N	+13B	6.0	43.5	45.5	26.00	1724	+49.6
9	Crespo Reyes, Alejandro A.	0	PUR	+20B	+25N	−7N	−18B	F	+33N	+16B	+17N	+21B	6.0	37.0	40.0	26.50	1652	0.0
10	Patel, Yash	1776	PUR	+37N	+23B	−6N	+7B	−8N	+24B	=11N	−2B	+19B	5.5	42.5	45.0	23.50	1744	-8.8
11	Farley, Jeremiah	1739	BAR	+33B	+34N	−1B	+26N	+14B	−4N	=10B	=13N	−3B	5.0	44.5	48.0	21.25	1688	-22.0
12	Tavhare, Siddhant	1697	PUR	+31B	+29N	−4B	+33N	−2N	+19B	+8N	−7B	−5N	5.0	44.0	47.5	21.50	1627	-27.2
13	Stuart, Charis	1542	BAR	+39B	−3N	+29B	=16N	−5N	+20B	+35N	=11B	−8N	5.0	41.0	43.0	18.50	1552	+1.6
14	Reinhard Moller, Friedrich Stefan	1509	GUA	−1B	+27N	+20B	+17N	−11N	−23B	+24N	−6B	+25B	5.0	40.5	44.5	21.50	1672	+56.0
15	Lajara Rodriguez, Jeffry	1505	PUR	−2N	=19B	+30N	−5B	+36N	+26N	=25B	−8B	+35N	5.0	39.0	41.5	17.75	1615	+43.2
16	Reifer-Belle, Chaz	1574	BAR	+38N	−2B	+24N	=13B	−19N	=17B	−9N	+32B	+27N	5.0	39.0	41.0	18.50	1495	+12.0
17	Ryder, Alexander	1523	PUR	−6N	+40B	=5N	−14B	+37N	=16N	+27B	−9B	+28N	5.0	39.0	40.5	17.75	1572	+10.0
18	Jimenez Gamboa, Diego	1672	CRC	+19N	−6B	+32B	+9N	=4B	−7N	F	+31N	F	4.5	41.0	44.5	20.75	1696	+4.8
19	Williams, Dejaun	1436	JAM	−18B	=15N	+25B	+32N	+16B	−12N	+21B	−5B	−10N	4.5	40.0	43.5	19.50	1561	+42.0
20	Rivera Irizarry, Denzel F.	1596	PUR	−9N	+30B	−14N	=37B	+32N	−13N	+26B	+22B	F	4.5	36.5	39.0	17.25	1597	+2.0
21	Reynoso Almonte, Owen	1480	DOM	−7N	+42B	−23N	+43B	+28N	=35B	−19N	+24B	−9N	4.5	33.0	34.5	12.50	1411	-20.0
22	Fernandez Ciria, Abel Ayden	1484	GUY	F	+38B	−8N	−28N	=29B	+36B	+37N	−20N	+31B	4.5	29.0	29.0	12.50	1525	+8.4
23	CLARK, ARTY	1561	CAY	+41B	−10N	+21B	−3N	+33B	+14N	F	−4B	−6N	4.0	42.5	44.0	14.50	1623	+16.0
24	Mendoza, Gary	1489	HON	−4B	+28N	−16B	+41N	+39B	−10N	−14B	−21N	+38B	4.0	34.5	36.0	9.50	803	-73.6
25	Li, Javin	1640	JAM	=36N	−9B	−19N	=30B	+41N	+28B	=15N	=35B	−14N	4.0	34.0	35.5	12.75	1382	-68.8
26	Rojas Beseda, Thiago	1559	DOM	+42N	−7B	+37N	−11B	=31N	−15B	−20N	+34B	=29N	4.0	34.0	35.5	11.25	1479	-32.4
27	Cherian, Nathan	0	JAM	−5N	−14B	+38N	−35B	+43N	+34B	−17N	+30B	−16B	4.0	34.0	35.5	11.00	1388	0.0
28	Culpepper, Nathan	0	BAR	−8N	−24B	+42N	+22B	−21B	−25N	+40B	+33N	−17B	4.0	33.0	34.5	11.00	1426	0.0
29	Xiang, Austin	0	JAM	+35N	−12B	−13N	−36B	=22N	=32B	=34N	+41B	=26B	4.0	31.0	32.5	12.25	1501	0.0
30	Hosein, Yuri	1656	TTO	=32B	−20N	−15B	=25N	+38B	−31N	+41B	−27N	+36B	4.0	29.0	30.5	9.75	1222	-83.2
31	Barrett, Jaevion	1441	CAY	−12N	−35B	+36N	+34N	=26B	+30B	−5N	−18B	−22N	3.5	35.0	37.5	12.00	1453	+6.4
32	Bierd Santana, Steven	0	PUR	=30N	+36B	−18N	−19B	−20B	=29N	+39B	−16N	=33B	3.5	32.5	34.5	10.25	1270	0.0
33	Rajpal, Hriday	1456	AHO	−11N	+43B	+35N	−12B	−23N	−9B	+38N	−28B	=32N	3.5	32.5	34.0	8.25	1438	-4.8
34	Pineda Melgar, Ismael	1535	HON	+43N	−11B	−39N	−31B	+42B	−27N	=29B	−26N	+40B	3.5	25.5	27.0	6.50	1352	-38.8
35	Fernandez Cintron, Dariel	1533	PUR	−29B	+31N	−33B	+27N	F	=21N	−13B	=25N	−15B	3.0	36.0	39.5	11.75	1385	-46.4
36	Buil Santiago, Urayoan	0	PUR	=25B	−32N	−31B	+29N	−15B	−22N	F	+37B	−30N	2.5	31.0	31.0	8.50	1340	0.0
37	Quest, Zaire	1479	JAM	−10B	+41N	−26B	=20N	−17B	+39N	−22B	−36N	F	2.5	29.5	29.5	5.75	1222	-52.4
38	FIDE 23001011	0	—	−16B	−22N	−27B	+40B	−30N	+42N	−33B	F	−24N	2.0	28.0	28.0	3.00	1220	0.0
39	Ramnarine Singh, Ethan	0	TTO	−13N	F	+34B	−8B	−24N	−37B	−32N	=43B	=42N	2.0	27.5	27.5	5.00	1287	0.0
40	Garay, Fabio Esteban	1447	HON	−3B	−17N	−41B	−38N	F	+43B	−28N	=42B	−34N	1.5	26.0	26.0	2.25	789	-38.0
41	Jankie Aryan	0	SUR	−23N	−37B	+40N	−24B	−25B	F	−30N	−29N	=43B	1.5	25.5	25.5	2.25	1272	0.0
42	FIDE 3115380	0	—	−26B	−21N	−28B	F	−34N	−38B	=43N	=40N	=39B	1.5	23.0	23.0	2.50	1183	0.0
43	Stephen Chambers, Kaie Imani	0	JAM	−34B	−33N	F	−21N	−27B	−40N	=42B	=39N	=41N	1.5	22.0	22.0	2.50	679	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Garcia Chan, PabloDOM
+105.2
7.0 pts · #2
2Castillo Romero, Jasmany ShallomNCA
+69.2
8.0 pts · #1
3Reinhard Moller, Friedrich StefanGUA
+56.0
5.0 pts · #12

Top rating losers

1Hosein, YuriTTO
-83.2
4.0 pts · #39
2Mendoza, GaryHON
-73.6
4.0 pts · #42
3Li, JavinJAM
-68.8
4.0 pts · #30

Biggest upsets

R7+305 Elo gap
Garcia Chan, Pablo1708 beat CMMunoz Feliz, Alejandro2013
R6+215 Elo gap
Barrett, Jaevion1441 beat Hosein, Yuri1656
R3+204 Elo gap
Williams, Dejaun1436 beat Li, Javin1640