2026 Guam National Championship

Open SwissStandard

52 players participated in this 9-round tournament, held from 15 Feb 2026 to 15 Mar 2026 in Dededo, Guam. 6 titled players from 2 federations. Top 10 Elo average was 1864, and top seed was Elmer Prudente (🇬🇺 GUM, CM, 2004).

James Marcus Justo (🇬🇺 GUM, 1854) won with 8.5/9, ahead of Elmer Prudente (7.0) and Carmina Jasmine Ramas (6.5). Justo shared the lead from round 4 and won solo starting round 5.

The biggest upset came in round 9: Carmina Jasmine Ramas (WCM, 1743) beat Elmer Prudente (CM, 2004), a +261-point gap.

Location

🇬🇺Dededo, Guam

Dates

15 Feb 2026 → 15 Mar 2026

Time control

Standard: 60 minutes with 30 seconds increment from move 1

System

Swiss · 9 rounds

Top seed

🇬🇺CMElmer Prudente2004

Avg top 10

1,864

Participants

Titled players · 6

CM×2

WCM×4

Federations · 2 represented

🇬🇺Guam×42

🇺🇸United States of America×1

Top 3

🥇
James Marcus Justo
🇬🇺GUM·1854
8.5pts·2240perf+136.8
🥈
CMElmer Prudente
🇬🇺GUM·2004
7.0pts·1987perf-0.8
🥉
WCMCarmina Jasmine Ramas
🇬🇺GUM·1743
6.5pts·1928perf+38.8

How it unfolded

Top 6 · 9 rounds

James Marcus Justo led from R5; +1.5-point edge over the runner-up. Title race converged from 3 co-leaders at R4 to 1 by R5.

Co-leaders

Justo8.5Prudente7Ramas6.5Tran6Pascua6Tenezaca6

R5–R9 · LEAD HELD

James Marcus Justo never relinquished the lead after R5; final gap +1.5 over the runner-up.

R7 · HEAD-TO-HEAD · WINNER VS 2ND

James Marcus Justo drew with CM Elmer Prudente (Black).

WIN STREAKS · 3 top finishers

James Marcus Justo 6 wins (R1–R6)CM Elmer Prudente 4 wins (R1–R4)WCM Carmina Jasmine Ramas 3 wins (R7–R9)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1James Marcus Justo	*	½	—	1
2CMElmer Prudente	½	*	0	—
3WCMCarmina Jasmine Ramas	—	1	*	½
4CMTuan An Tran	0	—	½	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	Justo, James Marcus	1854	GUM	+32N	+11B	+18N	+5B	+4N	+10B	=2N	+8B	+12N	8.5	46.5	49.5	46.00	2240	+136.8
2	Prudente, ElmerCM	2004	GUM	+26N	+19B	+16N	+4B	=10N	+13B	=1B	+11N	−3B	7.0	47.0	51.0	37.50	1987	-0.8
3	Ramas, Carmina JasmineWCM	1743	GUM	+38N	+30B	−4N	+26B	=5N	−8B	+16N	+19B	+2N	6.5	41.5	44.5	29.50	1928	+38.8
4	Pascua, Jefferson A	1879	GUM	+33B	+6N	+3B	−2N	−1B	+31N	+24B	+15N	−13B	6.0	45.5	48.5	27.50	1831	-6.2
5	Tran, Tuan AnCM	1943	GUM	+25B	+50N	+7B	−1N	=3B	=19N	+6B	+12B	F	6.0	42.0	42.0	28.00	1906	-5.0
6	Briones, Danilo	1703	GUM	+27N	−4B	+39N	+42B	F	+16B	−5N	+24N	+15B	6.0	38.0	40.0	22.50	1826	+19.0
7	Santos, Almer	1774	GUM	+37N	+22B	−5N	+23B	−12N	+36B	−15N	+30B	+14N	6.0	36.5	39.5	23.00	1724	-8.2
8	Tenezaca, Cristian	1938	GUM	F	F	+43B	+33N	+21B	+3N	+10B	−1N	+11B	6.0	35.5	35.5	27.00	1974	+6.0
9	Karamihan, John Francis	1760	GUM	+52N	−15B	F	+44N	F	+35N	+32B	+39B	+17N	6.0	27.0	27.0	15.50	1675	-6.6
10	Buccat, Benchly Cabanayan	1896	GUM	+39N	+12B	+14N	+13B	=2B	−1N	−8N	+18B	F	5.5	45.5	45.5	27.50	1924	+8.6
11	Kim, Junesun	1638	GUM	+29B	−1N	+28B	+20N	+23N	+15B	=12N	−2B	−8N	5.5	44.5	48.5	24.25	1722	+19.2
12	Ollet, MyraWCM	1671	GUM	+45B	−10N	+17B	+34N	+7B	+24N	=11B	−5N	−1B	5.5	43.5	45.5	22.75	1748	+13.0
13	Tirador, Elias	1825	GUM	+35B	+31N	+15B	−10N	F	−2N	+30B	=14B	+4N	5.5	41.0	44.0	22.75	1848	+8.4
14	Doria, Daniel	1756	GUM	+28B	+34N	−10B	+31N	−24B	+39N	+20B	=13N	−7B	5.5	35.5	38.0	19.75	1674	-14.0
15	Justo, Alexis Rian	1543	GUM	+43B	+9N	−13N	+19B	+16N	−11N	+7B	−4B	−6N	5.0	44.5	46.5	23.50	1757	+85.2
16	Javelosa, Jayce Caleb	1763	GUM	+17B	+24N	−2B	+21N	−15B	−6N	−3B	+46N	+30N	5.0	41.0	43.0	18.50	1608	-57.6
17	Casasiempre, Randy Maniago	0	GUM	−16N	+36B	−12N	+27B	F	+25N	+34B	+31N	−9B	5.0	35.0	38.0	17.00	1644	0.0
18	Benzon, TiffanyWCM	1719	GUM	+42B	+40N	−1B	−24N	+32B	−20N	+46B	−10N	+33N	5.0	33.0	35.0	12.50	1624	-27.2
19	Combs, Daniel	1703	GUM	+44B	−2N	+33B	−15N	F	=5B	+23N	−3N	+31B	4.5	39.5	41.5	15.00	1709	+0.4
20	Pendon, Ramjo	0	GUM	−22N	+37B	+30N	−11B	+26N	+18B	−14N	=23B	−21N	4.5	36.0	39.0	17.00	1633	0.0
21	Maranan III, Jorge	0	GUM	=23B	+25N	F	−16B	−8N	F	+40B	+34N	+20B	4.5	32.0	33.0	16.00	1684	0.0
22	Orpilla, Keane	1595	GUM	+20B	−7N	F	F	+44B	−23B	+42N	+32N	=39B	4.5	26.0	26.0	12.75	1512	-20.0
23	Nacario Jr, Romualdo	1663	GUM	=21N	+48B	F	−7N	−11B	+22N	−19B	=20N	+25B	4.0	39.5	41.0	14.50	1573	-24.8
24	Tran, Xuan Chi	1585	GUM	+49N	−16B	+27N	+18B	+14N	−12B	−4N	−6B	F	4.0	38.0	38.0	15.50	1624	+9.2
25	Judan, Deomedes	1515	GUM	−5N	−21B	−36N	+49B	+29N	−17B	+27N	+28B	−23N	4.0	34.5	35.5	13.00	990	-15.2
26	Tran, Tuan Vu	1523	GUM	−2B	+44N	+40B	−3N	−20B	+28N	−31B	+35N	F	4.0	32.5	32.5	11.50	1482	-12.4
27	Lee, Hajung	0	GUM	−6B	+35N	−24B	−17N	−33B	+43N	−25B	+45N	+32B	4.0	30.0	32.0	10.00	1403	0.0
28	Dimapilis, David	0	GUM	−14N	+49B	−11N	+51B	−30N	−26B	+37N	−25N	+34B	4.0	29.0	29.0	7.00	1313	0.0
29	Mendoza, Manuel	0	GUM	−11N	+32B	−34B	+35N	−25B	−46N	−33B	+42N	+43B	4.0	25.5	27.5	10.00	1346	0.0
30	Mortensen, John Michael	1542	GUM	+51B	−3N	−20B	+43N	+28B	F	−13N	−7N	−16B	3.0	38.0	38.0	6.00	977	-33.2
31	Nacario, Ruth AnneWCM	1607	GUM	+36N	−13B	F	−14B	+42N	−4B	+26N	−17B	−19N	3.0	36.5	38.5	9.00	1497	-13.6
32	Combs, Mylen Rodriguez	1471	GUM	−1B	−29N	+45B	+40N	−18N	+42B	−9N	−22B	−27N	3.0	36.5	38.5	6.50	932	-31.2
33	Lopatyuk, Leo	1477	GUM	−4N	+41B	−19N	−8B	+27N	−38B	+29N	F	−18B	3.0	35.5	38.0	10.50	983	-21.2
34	Jang, Alex	1542	GUM	+47N	−14B	+29N	−12B	−36N	+37B	−17N	−21B	−28N	3.0	34.5	36.0	8.50	914	-22.0
35	Combs, Esther	1427	GUM	−13N	−27B	+48N	−29B	+51N	−9B	+41N	−26B	F	3.0	30.5	30.5	4.00	903	-22.8
36	Nygard, Wesley	0	USA	−31B	−17N	+25B	+48N	+34B	−7N	F	F	F	3.0	28.0	28.0	8.50	1610	0.0
37	Caraig, Caius	0	GUM	−7B	−20N	F	F	+43B	−34N	−28B	+40N	+46B	3.0	24.0	24.0	6.50	1472	0.0
38	FIDE 31007384	0	—	−3B	+51N	F	F	+47B	+33N	F	F	F	3.0	17.0	17.0	4.50	1600	0.0
39	Tiurin, Yaroslav	1494	GUM	−10B	+45N	−6B	+47N	F	−14B	F	−9N	=22N	2.5	38.5	40.0	5.75	1375	-19.6
40	FIDE 31007376	0	—	F	−18B	−26N	−32B	=48B	+44N	−21N	−37B	+47N	2.5	24.5	24.5	4.25	770	0.0
41	Jung, Juliet Seo	0	GUM	−50B	−33N	F	F	+49B	+48N	−35B	−43N	=44B	2.5	13.5	13.5	3.50	730	0.0
42	Jang, David	0	GUM	−18N	+47B	F	−6N	−31B	−32N	−22B	−29B	+49N	2.0	31.5	32.5	2.50	820	0.0
43	Wang, Travis	0	GUM	−15N	+52B	−8N	−30B	−37N	−27B	F	+41B	−29N	2.0	29.0	29.0	2.50	875	0.0
44	FIDE 31006825	0	—	−19N	−26B	+49N	−9B	−22N	−40B	F	=47B	=41N	2.0	26.5	26.5	3.00	845	0.0
45	FIDE 31007368	0	—	−12N	−39B	−32N	F	−46B	−47N	+48B	−27B	+51N	2.0	20.0	20.0	1.50	727	0.0
46	Long, David	1476	GUM	F	F	F	F	+45N	+29B	−18N	−16B	−37N	2.0	19.0	19.0	6.00	941	-14.4
47	FIDE 31007252	0	—	−34B	−42N	F	−39B	−38N	+45B	F	=44N	−40B	1.5	19.0	19.0	3.00	714	0.0
48	FIDE 31007040	0	—	F	−23N	−35B	−36B	=40N	−41B	−45N	+51N	F	1.5	17.0	17.0	1.25	745	0.0
49	FIDE 31007201	0	—	−24B	−28N	−44B	−25N	−41N	+51B	F	F	−42B	1.0	18.5	18.5	0.00	753	0.0
50	Szekely, Zoltan	1705	GUM	+41N	−5B	F	F	F	F	F	F	F	1.0	13.0	13.0	2.50	1144	-8.0
51	FIDE 31007244	0	—	−30N	−38B	F	−28N	−35B	−49N	F	−48B	−45B	0.0	19.5	19.5	0.00	684	0.0
52	FIDE 31007058	0	—	−9B	−43N	F	F	F	F	F	F	F	0.0	10.0	10.0	0.00	962	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Justo, James MarcusGUM
+136.8
8.5 pts · #1
2Justo, Alexis RianGUM
+85.2
5.0 pts · #10
3Ramas, Carmina JasmineWCMGUM
+38.8
6.5 pts · #5

Top rating losers

1Javelosa, Jayce CalebGUM
-57.6
5.0 pts · #19
2Mortensen, John MichaelGUM
-33.2
3.0 pts · #50
3Combs, Mylen RodriguezGUM
-31.2
3.0 pts · #39

Biggest upsets

R9+261 Elo gap
WCMRamas, Carmina Jasmine1743 beat CMPrudente, Elmer2004
R7+231 Elo gap
Justo, Alexis Rian1543 beat Santos, Almer1774
R5+220 Elo gap
Justo, Alexis Rian1543 beat Javelosa, Jayce Caleb1763