Caissa Open 2026

Open SwissStandard

48 players participated in this 6-round tournament, held from 06 May 2026 to 10 Jun 2026 in Guatemala, Guatemala. 4 titled players from 2 federations. Top 10 Elo average was 1925, and top seed was Gustavo Adolfo Monroy Lopez (🇬🇹 GUA, CM, 2059).

Cesar Augusto Blanco Gramajo (🇬🇹 GUA, CM, 2031) won with 5.5/6, ahead of Manuel Alejandro Aroche Cobos (5.0) and Julio Roberto Palencia Alvarado (4.5). Blanco Gramajo broke clear in the final round.

The biggest upset came in round 5: Abraham Rivera Medina (1537) beat Jason Batz Marroquin (1865), a +328-point gap.

Location

🇬🇹Guatemala, Guatemala

Dates

06 May 2026 → 10 Jun 2026

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 6 rounds

Top seed

🇬🇹CMGustavo Adolfo Monroy Lopez2059

Avg top 10

1,925

Participants

Titled players · 4

CM×3

WCM×1

Federations · 2 represented

🇬🇹Guatemala×46

🇩🇪Germany×1

Top 3

🥇
CMCesar Augusto Blanco Gramajo
🇬🇹GUA·2031
5.5pts·2211perf+17.6
🥈
Manuel Alejandro Aroche Cobos
🇬🇹GUA·1886
5.0pts·2055perf+49.6
🥉
Julio Roberto Palencia Alvarado
🇬🇹GUA·1877
4.5pts·1953perf+14.6

How it unfolded

Top 6 · 6 rounds

CM Cesar Augusto Blanco Gramajo led from R6; +0.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R6.

Co-leaders

Blanco Gramajo5.5Aroche Cobos5Palencia Alvarado4.5Munoz C.4.5Garcia Medina4.5Quijivix Sanchez4

R6–R6 · LEAD HELD

CM Cesar Augusto Blanco Gramajo held the sole lead from R6 through R6 without losing it.

R5 · HEAD-TO-HEAD · WINNER VS 2ND

CM Cesar Augusto Blanco Gramajo drew with Manuel Alejandro Aroche Cobos (Black).

WIN STREAKS · 3 top finishers

CM Cesar Augusto Blanco Gramajo 4 wins (R1–R4)Manuel Alejandro Aroche Cobos 4 wins (R1–R4)Julio Roberto Palencia Alvarado 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1CMCesar Augusto Blanco Gramajo	*	½	1	1
2Manuel Alejandro Aroche Cobos	½	*	½	—
3Julio Roberto Palencia Alvarado	0	½	*	—
4Henry Deanibont Munoz C.	0	—	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	Pts	Bu C1	Bu	SB	Perf	Δ
1	Blanco Gramajo, Cesar AugustoCM	2031	GUA	+18N	+10B	+7N	+3B	=2N	+4B	5.5	22.0	25.0	22.50	2211	+17.6
2	Aroche Cobos, Manuel Alejandro	1886	GUA	+29N	+17B	+27N	+14B	=1B	=3N	5.0	18.0	20.0	15.00	2055	+49.6
3	Palencia Alvarado, Julio Roberto	1877	GUA	+31N	+16B	+6N	−1N	+28B	=2B	4.5	19.5	21.0	13.00	1953	+14.6
4	Munoz C., Henry Deanibont	1784	GUA	=34B	+38N	+22B	+12N	+9B	−1N	4.5	17.0	18.0	11.75	1945	+52.8
5	Garcia Medina, Fiorella JasmineWCM	1798	GUA	+24N	−6B	+39N	+23B	+14N	=11B	4.5	15.5	16.5	10.75	1810	+7.2
6	Pinzon Balan, Jose Jeyk	1905	GUA	+19B	+5N	−3B	=9N	+18B	=13N	4.0	19.5	22.5	14.25	1879	-2.6
7	Quijivix Sanchez, Jose Antonio	1871	GUA	+11B	+20N	−1B	+31N	−12B	+15N	4.0	18.5	20.0	11.00	1827	-5.2
8	Batz Marroquin, Jason	1865	GUA	+25N	−14B	+29N	+17B	−11N	+16B	4.0	15.0	17.0	10.50	1738	-33.2
9	Voisard, Dominic	1882	GUA	+37B	=22N	+41N	=6B	−4N	+17B	4.0	15.0	16.0	8.25	1831	-5.6
10	Aguilar Chang, Joaquin	1811	GUA	+15B	−1N	−23B	+37N	+43B	+28N	4.0	14.0	15.0	7.00	1762	-11.2
11	Rivera Medina, Abraham	1537	GUA	−7N	+46B	+16N	F	+8B	=5N	3.5	17.5	17.5	9.25	1898	+35.2
12	De Leon Calderon, Juan Carlos	1946	GUA	=32B	F	+13N	−4B	+7N	+20B	3.5	16.5	17.5	11.25	1880	-6.0
13	Ayerdi Hurtado, Cynthia Maria	1742	GUA	+35N	F	−12B	+21N	+27B	=6B	3.5	14.0	14.0	8.50	1879	+30.8
14	Vasquez Linares, Emerson Baudilio	1635	GUA	+33B	+8N	F	−2N	−5B	+22N	3.0	17.5	18.5	8.00	1813	+18.2
15	Rubio Castillo, Mateo	1519	GUA	−10N	+19N	−18B	+44B	+23N	−7B	3.0	16.5	17.5	6.50	1693	+51.6
16	Vela Alonzo, Luis A.	1676	GUA	+26B	−3N	−11B	+39N	+31B	−8N	3.0	16.0	17.0	5.00	1599	-11.0
17	Bianchi Azurdia, Gerardo	1723	GUA	+42B	−2N	+37B	−8N	+41B	−9N	3.0	15.0	16.0	3.00	1697	-3.2
18	Contreras Rivas, Valery Noemy	1624	GUA	−1B	F	+15N	+38B	−6N	+33B	3.0	15.0	15.0	5.50	1741	+18.8
19	Sigui Gil, Norman	1603	GUA	−6N	−15B	+46N	=33B	+35N	=24B	3.0	12.5	12.5	3.50	1495	-13.4
20	Cordero Medrano, Cristopher	1638	GUA	+46N	−7B	+33N	F	+22B	−12N	3.0	11.5	11.5	4.00	1715	+9.6
21	Cifuentes Lara, Leo Javier	0	GUA	−22B	F	+40N	−13B	+32N	+38B	3.0	9.5	9.5	3.50	1699	+54.4
22	Olivet Zambrano, Paul Enrique	1703	GUA	+21N	=9B	−4N	+32B	−20N	−14B	2.5	17.5	19.0	6.50	1563	-38.0
23	Palomo Torres, Eduardo	1618	GUA	+48B	−27B	+10N	−5N	−15B	=31N	2.5	15.0	15.0	4.75	1684	+8.0
24	Garcia Medina, Valentina Marie	1472	GUA	−5B	F	−32N	+34B	+25N	=19N	2.5	13.0	13.0	5.50	1598	+31.6
25	Dubon M., Carlos Giovanni	1534	GUA	−8B	−30N	+42B	=36N	−24B	+37N	2.5	11.0	12.0	2.75	1587	+5.2
26	Cordero Valdez, Cornelio	0	GUA	−16N	−31B	=35N	+40B	−38N	+32B	2.5	8.5	9.5	3.25	1500	0.0
27	Rodriguez Alvarez, Ivan Ariel	1852	GUA	+39B	+23N	−2B	F	−13N	F	2.0	16.5	17.5	3.50	1695	-30.4
28	Arreaga Orozco, Jose Domingo	1520	GUA	+30B	+32N	F	F	−3N	−10B	2.0	12.0	12.0	3.50	1785	+24.8
29	Esquivel Noriega, Emilio Alejandro	1572	GUA	−2B	+42N	−8B	F	+47N	F	2.0	12.0	12.0	1.00	1672	+17.2
30	Cordero Medrano, Dennis Matheus	1829	GUA	−28N	+25B	F	F	+39B	−43N	2.0	8.0	9.0	3.50	1540	-55.2
31	Rodriguez, Pablo Fernando	1542	GUA	−3B	+26N	F	−7B	−16N	=23B	1.5	16.5	18.5	3.75	1439	-9.2
32	Perez Chavez, Josue Porfirio	1622	GUA	=12N	−28B	+24B	−22N	−21B	−26N	1.5	14.0	16.0	4.25	1573	-14.4
33	Valenzuela Velasquez, Johnny Alejandro	0	GUA	−14N	F	−20B	=19N	+36B	−18N	1.5	13.5	13.5	3.00	1492	0.0
34	Diaz Ejcalon, Joseph Steven	1434	GUA	=4N	−41B	F	−24N	+46B	−36N	1.5	10.5	10.5	2.25	1307	-22.4
35	Chua, Cirilo	1433	GUA	−13B	−37N	=26B	+46N	−19B	F	1.5	10.0	10.0	1.25	836	-15.0
36	Rose, Sven	1704	GER	F	F	F	=25B	−33N	+34B	1.5	5.5	5.5	2.75	1677	-1.0
37	Cordero Medrano, Marlyn Elizabeth	1562	GUA	−9N	+35B	−17N	−10B	−44N	−25B	1.0	15.0	16.0	1.50	1396	-49.2
38	Escobar Quan, Eva Rocio	1515	GUA	F	−4B	F	−18N	+26B	−21N	1.0	13.0	13.0	2.50	904	-20.8
39	Ordonez Ch., Dylan Adiel	1533	GUA	−27N	+44N	−5B	−16B	−30N	F	1.0	12.5	12.5	1.00	1517	-5.6
40	Abarca Ochoa, Bryan R.	1552	GUA	F	F	−21B	−26N	−42N	+47B	1.0	10.0	10.0	0.00	1468	-4.6
41	Sepe, Ricardo	1557	GUA	F	+34N	−9B	F	−17N	F	1.0	9.5	9.5	1.50	1555	-1.6
42	Leal Mendez, Jose Raul	1432	GUA	−17N	−29B	−25N	F	+40B	F	1.0	8.5	8.5	1.00	1402	-6.4
43	Diaz Reyes, Dario	1571	GUA	F	F	F	F	−10N	+30B	1.0	8.0	8.0	2.00	1820	+12.4
44	Sotomayor Ariza, Harold Santiago	1628	GUA	−45N	−39B	F	−15N	+37B	F	1.0	7.5	8.5	1.00	1468	-38.0
45	Monroy Lopez, Gustavo AdolfoCM	2059	GUA	+44B	F	F	F	F	F	1.0	4.0	4.0	1.00	2459	+3.2
46	FIDE 7309902	0	—	−20B	−11N	−19B	−35B	−34N	F	0.0	12.5	12.5	0.00	729	0.0
47	Anzueto M., Carlos Enrique	1504	GUA	F	F	F	F	−29B	−40N	0.0	5.0	5.0	0.00	762	-16.8
48	Paxtor Chiguichon, Rodolfo EnriqueCM	1926	GUA	−23N	F	F	F	F	F	0.0	3.5	3.5	0.00	818	-34.4

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Cifuentes Lara, Leo JavierGUA
+54.4
3.0 pts · #14
2Munoz C., Henry DeanibontGUA
+52.8
4.5 pts · #4
3Rubio Castillo, MateoGUA
+51.6
3.0 pts · #13

Top rating losers

1Cordero Medrano, Dennis MatheusGUA
-55.2
2.0 pts · #22
2Cordero Medrano, Marlyn ElizabethGUA
-49.2
1.0 pts · #34
3Sotomayor Ariza, Harold SantiagoGUA
-38.0
1.0 pts · #33

Biggest upsets

R5+328 Elo gap
Rivera Medina, Abraham1537 beat Batz Marroquin, Jason1865
R1+309 Elo gap
Arreaga Orozco, Jose Domingo1520 beat Cordero Medrano, Dennis Matheus1829
R1+308 Elo gap
Palomo Torres, Eduardo1618 beat CMPaxtor Chiguichon, Rodolfo Enrique1926