Caissa Open 2025 IRT
Open SwissStandard
42 players participated in this 6-round tournament, held from 28 May 2025 to 25 Jun 2025 in Guatemala, Guatemala. 4 titled players from 2 federations. Top 10 Elo average was 1943, and top seed was Hector Jose Linares Orellana (🇬🇹 GUA, FM, 2111).
Juan Carlos De Leon Calderon (🇬🇹 GUA, 1975) won with 5.0/6, ahead of Julio Roberto Palencia Alvarado (4.5) and Manuel Alejandro Aroche Cobos (4.0). De Leon Calderon shared the lead from round 5 and broke clear in the final round.
The biggest upset came in round 1: Santiago Rivas Giordano (1515) beat Juan Pablo Amenabar F. (1781), a +266-point gap.
Location
🇬🇹Guatemala, Guatemala
Dates
28 May 2025 → 25 Jun 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 6 rounds
Titled players · 4
FM×1
CM×3
Federations · 2 represented
🇬🇹Guatemala×41
🇩🇪Germany×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 6 roundsJuan Carlos De Leon Calderon led from R3; +0.5-point edge over the runner-up.
Co-leaders
16
6
1
1
2
1
R4 · LEADER CHANGE11 Jun
CM Cesar Augusto Blanco Gramajo takes the sole lead (3.5/4).
R4 · HEAD-TO-HEAD · WINNER VS 2ND
Juan Carlos De Leon Calderon lost to Julio Roberto Palencia Alvarado (Black).
WIN STREAKS · 3 top finishers
Juan Carlos De Leon Calderon 3 wins (R1–R3)Julio Roberto Palencia Alvarado 3 wins (R1–R4)Francisco J. Cruz Vargas 3 wins (R4–R6)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Juan Carlos De Leon Calderon | * | 0 | — | — |
| 2Julio Roberto Palencia Alvarado | 1 | * | — | 1 |
| 3Francisco J. Cruz Vargas | — | — | * | — |
| 4Samuel G. Juarez B. | — | 0 | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | De Leon Calderon, Juan Carlos | 1975 | GUA | +41B | +12N | +9B | −2N | +23B | +18B | 5.0 | 15.0 | 15.0 | 10.50 | 2009 | +17.2 |
| 2 | Palencia Alvarado, Julio Roberto | 1860 | GUA | +36B | +22N | F | +1B | =18N | +4N | 4.5 | 16.5 | 17.5 | 13.25 | 2125 | +28.8 |
| 3 | Aroche Cobos, Manuel Alejandro | 1846 | GUA | +32B | =7N | +5B | =6N | F | +12N | 4.0 | 17.0 | 18.0 | 11.50 | 2122 | +68.8 |
| 4 | Juarez B., Samuel G. | 1863 | GUA | +23N | −17B | +22N | +12B | +9N | −2B | 4.0 | 15.0 | 17.0 | 10.00 | 1809 | -13.2 |
| 5 | Cruz Vargas, Francisco J. | 1974 | GUA | +40N | −9B | −3N | +27B | +17N | +11B | 4.0 | 14.0 | 14.0 | 7.00 | 1840 | -16.0 |
| 6 | Linares Orellana, Hector JoseFM | 2111 | GUA | F | +27B | +24N | =3B | +13N | F | 3.5 | 10.5 | 10.5 | 8.50 | 2112 | +6.8 |
| 7 | Blanco Gramajo, Cesar AugustoCM | 2067 | GUA | +33N | =3B | +17N | +20B | F | F | 3.5 | 10.0 | 10.0 | 8.00 | 2090 | +1.8 |
| 8 | Solares Godoy, Pablo Andres | 1688 | GUA | F | −11N | =19B | +37N | +28B | +23N | 3.5 | 9.5 | 9.5 | 5.25 | 1772 | +9.2 |
| 9 | Vela Alonzo, Luis A. | 1723 | GUA | +29B | +5N | −1N | +17B | −4B | −14N | 3.0 | 18.5 | 20.0 | 8.00 | 1741 | -0.8 |
| 10 | Paxtor Chiguichon, Rodolfo EnriqueCM | 2009 | GUA | +21B | +15N | F | +26B | F | F | 3.0 | 16.0 | 16.0 | 7.50 | 2519 | +22.4 |
| 11 | Aguirre B., Justo Enrique | 1848 | GUA | F | +8B | −20N | +30B | +15N | −5N | 3.0 | 14.5 | 14.5 | 8.00 | 1807 | -3.6 |
| 12 | Cordero Medrano, Cristopher | 1684 | GUA | +37N | −1B | +39B | −4N | +34N | −3B | 3.0 | 14.5 | 14.5 | 1.50 | 1577 | -27.2 |
| 13 | Bianchi Azurdia, Gerardo | 1763 | GUA | −22B | +32N | +34B | +14N | −6B | −21N | 3.0 | 12.0 | 13.0 | 5.00 | 1642 | -20.8 |
| 14 | Sigui Gil, Norman | 1662 | GUA | −18B | F | +29N | −13B | +39N | +9B | 3.0 | 12.0 | 12.0 | 4.50 | 1667 | +3.8 |
| 15 | Cordero Medrano, Dennis Matheus | 1767 | GUA | +39N | −10B | +27N | F | −11B | +22N | 3.0 | 9.5 | 9.5 | 3.50 | 1699 | -8.4 |
| 16 | Lopez Escobar, Jose DavidCM | 1878 | GUA | F | +19N | +35B | F | +24N | F | 3.0 | 8.0 | 8.0 | 5.50 | 2527 | +43.6 |
| 17 | Vasquez Linares, Emerson Baudilio | 1649 | GUA | +31B | +4N | −7B | −9N | −5B | =28N | 2.5 | 16.0 | 17.5 | 6.25 | 1693 | +0.8 |
| 18 | Ramos Barrios, Felix Fernando | 1824 | GUA | +14N | +42B | F | F | =2B | −1N | 2.5 | 15.5 | 15.5 | 5.25 | 1808 | -6.4 |
| 19 | Rose, Sven | 1692 | GER | F | −16B | =8N | −24B | +32N | +30B | 2.5 | 11.0 | 11.0 | 4.25 | 1641 | -5.4 |
| 20 | Voisard, Dominic | 1843 | GUA | +28N | F | +11B | −7N | =21B | F | 2.5 | 10.5 | 10.5 | 5.75 | 1875 | +4.6 |
| 21 | Leon Aguilar, Alvaro Jose | 1655 | GUA | −10N | +28B | F | F | =20N | +13B | 2.5 | 10.0 | 10.0 | 5.75 | 1886 | +23.2 |
| 22 | Contreras Rivas, Valery Noemy | 1556 | GUA | +13N | −2B | −4B | F | +35N | −15B | 2.0 | 15.5 | 15.5 | 4.00 | 1715 | +46.0 |
| 23 | Diaz Reyes, Dario | 1613 | GUA | −4B | +31N | +37B | F | −1N | −8B | 2.0 | 15.0 | 15.5 | 2.00 | 1032 | -14.8 |
| 24 | Jui, Marlow | 1806 | GUA | F | +38N | −6B | +19N | −16B | F | 2.0 | 9.5 | 9.5 | 3.00 | 1797 | -1.6 |
| 25 | Amenabar F., Juan Pablo | 1781 | GUA | −27N | F | F | F | +37B | +33N | 2.0 | 6.0 | 6.0 | 1.50 | 1577 | -10.0 |
| 26 | Castellanos, Humberto Arturo | 1715 | GUA | +34B | F | F | −10N | F | +39B | 2.0 | 4.0 | 4.0 | 1.00 | 1695 | -4.0 |
| 27 | Rivas Giordano, Santiago | 1515 | GUA | +25B | −6N | −15B | −5N | F | =31B | 1.5 | 14.0 | 14.0 | 2.75 | 1634 | +19.6 |
| 28 | Rodriguez, Pablo Fernando | 1579 | GUA | −20B | −21N | F | +29B | −8N | =17B | 1.5 | 12.5 | 12.5 | 2.75 | 1387 | -32.0 |
| 29 | Cordero Medrano, Marlyn Elizabeth | 0 | GUA | −9N | +40B | −14B | −28N | −33N | =37B | 1.5 | 9.0 | 9.0 | 0.25 | 1407 | 0.0 |
| 30 | Diaz Ejcalon, Joseph Steven | 0 | GUA | F | −35N | +33B | −11N | =38B | −19N | 1.5 | 8.0 | 8.0 | 1.25 | 1545 | 0.0 |
| 31 | Cruz Balcarcel, Natalia Estefania | 0 | GUA | −17N | −23B | −36N | F | +40B | =27N | 1.5 | 7.0 | 7.0 | 0.75 | 1460 | 0.0 |
| 32 | Arenales F., Jose | 1594 | GUA | −3N | −13B | +40N | F | −19B | F | 1.0 | 11.0 | 11.0 | 0.00 | 1548 | -9.6 |
| 33 | Chua, Cirilo | 1615 | GUA | −7B | −34N | −30N | F | +29B | −25B | 1.0 | 9.5 | 10.5 | 1.50 | 952 | -48.8 |
| 34 | Aroche Cobos, Cristhian Alberto | 1473 | GUA | −26N | +33B | −13N | F | −12B | F | 1.0 | 9.5 | 9.5 | 1.00 | 1537 | +17.2 |
| 35 | Lopez Hernandez, Jose Daniel | 1697 | GUA | F | +30B | −16N | F | −22B | F | 1.0 | 8.5 | 8.5 | 1.50 | 867 | -42.0 |
| 36 | Sepe, Ricardo | 1587 | GUA | −2N | F | +31B | F | F | F | 1.0 | 6.5 | 6.5 | 1.50 | 1058 | -4.0 |
| 37 | Cordero Valdez, Cornelio | 1524 | GUA | −12B | F | −23N | −8B | −25N | =29N | 0.5 | 12.0 | 13.0 | 0.75 | 900 | -44.0 |
| 38 | Abarca Ochoa, Bryan R. | 1615 | GUA | F | −24B | F | F | =30N | F | 0.5 | 5.5 | 5.5 | 0.75 | 1009 | -5.0 |
| 39 | Alvarado Aldana, Ileana Isabel | 0 | GUA | −15B | F | −12N | F | −14B | −26N | 0.0 | 12.0 | 12.0 | 0.00 | 908 | 0.0 |
| 40 | Cotzajay Vicente, Brandon Josue | 1605 | GUA | −5B | −29N | −32B | F | −31N | F | 0.0 | 8.0 | 8.0 | 0.00 | 982 | -28.0 |
| 41 | Dubon M., Carlos Giovanni | 1619 | GUA | −1N | F | F | F | F | F | 0.0 | 6.5 | 6.5 | 0.00 | 1151 | -2.6 |
| 42 | Cobos Arango, Carlos Ivan | 0 | GUA | F | −18N | F | F | F | F | 0.0 | 5.0 | 5.0 | 0.00 | 1054 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Aroche Cobos, Manuel AlejandroGUA+68.84.0 pts · #5
- 2Contreras Rivas, Valery NoemyGUA+46.02.0 pts · #15
- 3Lopez Escobar, Jose DavidCMGUA+43.63.0 pts · #8
Top rating losers
- 1Chua, CiriloGUA-48.81.0 pts · #41
- 2Cordero Valdez, CornelioGUA-44.00.5 pts · #42
- 3Lopez Hernandez, Jose DanielGUA-42.01.0 pts · #36
Biggest upsets
- R1+266 Elo gap
- R2+251 Elo gap
- R2+214 Elo gap