Copa Caissa 2025
Open SwissStandard
44 players participated in this 5-round tournament, held from 15 Oct 2025 to 12 Nov 2025 in Guatemala, Guatemala. 5 titled players from 2 federations. Top 10 Elo average was 1903, and top seed was Cesar Augusto Blanco Gramajo (🇬🇹 GUA, CM, 2069).
Cesar Augusto Blanco Gramajo (🇬🇹 GUA, CM, 2069) won with 4.5/5, ahead of Dominic Voisard (4.0) and Rodolfo Enrique Paxtor Chiguichon (4.0). Blanco Gramajo took the lead from round 4.
The biggest upset came in round 4: Saisha Jimena Merida Calderon (1493) beat Enio de Jesus Morales R. (1728), a +235-point gap.
Location
🇬🇹Guatemala, Guatemala
Dates
15 Oct 2025 → 12 Nov 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 5 rounds
Titled players · 5
CM×4
WIM×1
Federations · 2 represented
🇬🇹Guatemala×41
🇩🇪Germany×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 5 roundsCM Cesar Augusto Blanco Gramajo led from R4; +0.5-point edge over the runner-up.
Co-leaders
16
7
2
1
1
R4–R5 · LEAD HELD
CM Cesar Augusto Blanco Gramajo held the sole lead from R4 through R5 without losing it.
R3 · HEAD-TO-HEAD · WINNER VS 2ND
CM Cesar Augusto Blanco Gramajo drew with Dominic Voisard (White).
R2–R5 · WIN STREAK
CM Rodolfo Enrique Paxtor Chiguichon won 4 in a row (R2–R5).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1CMCesar Augusto Blanco Gramajo | * | ½ | — | — |
| 2Dominic Voisard | ½ | * | — | ½ |
| 3CMRodolfo Enrique Paxtor Chiguichon | — | — | * | — |
| 4WIMCarolina Mazariegos Kummerfeldt | — | ½ | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Blanco Gramajo, Cesar AugustoCM | 2069 | GUA | +19B | +6N | =2B | +25N | +7B | 4.5 | 12.0 | 14.0 | 12.00 | 2163 | +8.4 |
| 2 | Voisard, Dominic | 1848 | GUA | +38N | +16B | =1N | =4B | +9N | 4.0 | 13.0 | 13.0 | 9.00 | 2020 | +21.4 |
| 3 | Paxtor Chiguichon, Rodolfo EnriqueCM | 2007 | GUA | F | +22N | +21B | +5B | +8N | 4.0 | 10.0 | 10.0 | 10.00 | 2677 | +40.0 |
| 4 | Mazariegos Kummerfeldt, CarolinaWIM | 1879 | GUA | +35N | +10B | F | =2N | +15B | 3.5 | 9.5 | 9.5 | 7.50 | 2050 | +13.6 |
| 5 | Palencia Alvarado, Julio Roberto | 1879 | GUA | +40B | +12N | −8B | −3N | +18B | 3.0 | 12.0 | 12.0 | 5.00 | 1846 | -2.2 |
| 6 | Lopez Escobar, Daniel Alejandro | 1712 | GUA | +17N | −1B | +18N | F | +12B | 3.0 | 11.5 | 11.5 | 7.00 | 1916 | +39.2 |
| 7 | Lopez Escobar, Jose DavidCM | 1907 | GUA | +23B | +9N | +15B | F | −1N | 3.0 | 11.5 | 11.5 | 7.00 | 1970 | +14.4 |
| 8 | De Leon Calderon, Juan Carlos | 1992 | GUA | +18N | +29B | +5N | F | −3B | 3.0 | 10.0 | 10.0 | 6.00 | 1994 | +4.8 |
| 9 | De Leon Gonzalez, Jairo Aron | 1700 | GUA | +39N | −7B | +40N | +11B | −2B | 3.0 | 10.0 | 10.0 | 3.00 | 1747 | +4.8 |
| 10 | Rose, Sven | 1687 | GER | +37B | −4N | +23B | F | +17N | 3.0 | 9.5 | 10.0 | 4.50 | 1791 | +8.2 |
| 11 | Sigui Gil, Norman | 1666 | GUA | +42N | F | +22B | −9N | +30B | 3.0 | 8.0 | 8.0 | 3.00 | 1624 | -2.2 |
| 12 | Solares Godoy, Pablo Andres | 1687 | GUA | +43N | −5B | +41N | +20B | −6N | 3.0 | 8.0 | 8.0 | 2.00 | 1721 | +3.4 |
| 13 | Contreras Rivas, Valery Noemy | 1546 | GUA | −15N | +42B | −16N | +29B | +20N | 3.0 | 7.0 | 7.0 | 3.00 | 1719 | +36.4 |
| 14 | Cordero Medrano, Cristopher | 1657 | GUA | F | −26N | +38B | +36N | +27N | 3.0 | 4.5 | 4.5 | 2.50 | 1791 | +26.8 |
| 15 | Bianchi Azurdia, Gerardo | 1742 | GUA | +13B | F | −7N | +16B | −4N | 2.0 | 12.5 | 14.5 | 5.00 | 1755 | +1.4 |
| 16 | Sagastume Minera, Santiago | 1686 | GUA | +24B | −2N | +13B | −15N | F | 2.0 | 11.0 | 11.0 | 5.00 | 1587 | -16.0 |
| 17 | Cordero Medrano, Marlyn Elizabeth | 1520 | GUA | −6B | −19N | +32B | +23N | −10B | 2.0 | 10.0 | 11.0 | 3.00 | 1550 | +6.8 |
| 18 | Dubon M., Carlos Giovanni | 1616 | GUA | −8B | +32N | −6B | +39N | −5N | 2.0 | 10.0 | 10.0 | 1.00 | 1573 | -6.4 |
| 19 | Lopez Hernandez, Jose Daniel | 1633 | GUA | −1N | +17B | +29N | F | F | 2.0 | 9.5 | 9.5 | 3.00 | 1877 | +34.8 |
| 20 | Urrutia, Gabriel | 1745 | GUA | +30N | +41B | −25B | −12N | −13B | 2.0 | 9.0 | 9.0 | 1.00 | 1564 | -24.2 |
| 21 | Cordero Medrano, Dennis Matheus | 1759 | GUA | F | +33B | −3N | +28B | F | 2.0 | 8.5 | 8.5 | 2.50 | 1881 | +18.4 |
| 22 | Perez Chavez, Josue Porfirio | 0 | GUA | +28N | −3B | −11N | F | +40B | 2.0 | 8.5 | 8.5 | 1.50 | 1722 | 0.0 |
| 23 | Diaz Reyes, Dario | 1598 | GUA | −7N | +39B | −10N | −17B | +35B | 2.0 | 8.5 | 8.5 | 0.50 | 1480 | -13.2 |
| 24 | Mollinedo Alonzo, Javier Enrique | 0 | GUA | −16N | +30B | +44N | F | −26B | 2.0 | 8.0 | 8.0 | 1.00 | 1699 | 0.0 |
| 25 | Juarez B., Samuel G. | 1850 | GUA | F | +44B | +20N | −1B | F | 2.0 | 6.5 | 6.5 | 2.00 | 1970 | +9.4 |
| 26 | Monroy Lopez, Gustavo AdolfoCM | 1842 | GUA | F | +14B | F | F | +24N | 2.0 | 6.0 | 6.0 | 5.00 | 2457 | +10.4 |
| 27 | Merida Calderon, Saisha Jimena | 1493 | GUA | F | −28B | +35N | +31N | −14B | 2.0 | 6.0 | 6.0 | 1.50 | 1653 | +33.6 |
| 28 | Vasquez Linares, Emerson Baudilio | 1650 | GUA | −22B | +27N | =36B | −21N | F | 1.5 | 6.5 | 6.5 | 2.25 | 1581 | -5.4 |
| 29 | Escobar Quan, Eva Rocio | 1702 | GUA | +32B | −8N | −19B | −13N | F | 1.0 | 9.0 | 9.5 | 1.00 | 1470 | -50.0 |
| 30 | Rodriguez, Pablo Fernando | 1547 | GUA | −20B | −24N | +34B | F | −11N | 1.0 | 8.0 | 9.0 | 1.00 | 1510 | -6.0 |
| 31 | Morales R., Enio de Jesus | 1728 | GUA | F | +34N | F | −27B | F | 1.0 | 5.0 | 5.0 | 1.00 | 1494 | -23.2 |
| 32 | Cordero Valdez, Cornelio | 1480 | GUA | −29N | −18B | −17N | +38B | F | 1.0 | 5.0 | 5.0 | 0.00 | 1408 | -14.4 |
| 33 | Abarca Ochoa, Bryan R. | 1610 | GUA | F | −21N | F | F | +39B | 1.0 | 3.0 | 3.0 | 0.00 | 959 | -6.0 |
| 34 | Merida Calderon, Juan Diego | 1493 | GUA | F | −31B | −30N | +43B | F | 1.0 | 2.0 | 2.0 | 0.00 | 838 | -25.6 |
| 35 | Cotzajay Vicente, Brandon Josue | 1577 | GUA | −4B | =37N | −27B | F | −23N | 0.5 | 8.0 | 8.0 | 0.25 | 857 | -49.6 |
| 36 | Anzueto M., Carlos Enrique | 1491 | GUA | F | F | =28N | −14B | F | 0.5 | 5.5 | 5.5 | 0.75 | 1461 | -1.4 |
| 37 | FIDE 7309651 | 0 | — | −10N | =35B | F | F | F | 0.5 | 3.5 | 3.5 | 0.25 | 1439 | 0.0 |
| 38 | Cifuentes Lara, Leo Javier | 1565 | GUA | −2B | F | −14N | −32N | F | 0.0 | 8.0 | 8.0 | 0.00 | 862 | -46.0 |
| 39 | Alvarado Aldana, Ileana Isabel | 0 | GUA | −9B | −23N | F | −18B | −33N | 0.0 | 8.0 | 8.0 | 0.00 | 831 | 0.0 |
| 40 | Chua, Cirilo | 1566 | GUA | −5N | F | −9B | F | −22N | 0.0 | 8.0 | 8.0 | 0.00 | 990 | -18.4 |
| 41 | Perez Lopez, Esdras Aaron | 1549 | GUA | F | −20N | −12B | F | F | 0.0 | 7.5 | 7.5 | 0.00 | 916 | -22.4 |
| 42 | FIDE 7309660 | 0 | — | −11B | −13N | F | F | F | 0.0 | 6.0 | 6.0 | 0.00 | 806 | 0.0 |
| 43 | Mejia Quiros, Jose Carlos | 0 | GUA | −12B | F | F | −34N | F | 0.0 | 5.0 | 5.0 | 0.00 | 791 | -24.4 |
| 44 | Vela Alonzo, Luis A. | 1722 | GUA | F | −25N | −24B | F | F | 0.0 | 5.0 | 5.0 | 0.00 | 1050 | -6.6 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Paxtor Chiguichon, Rodolfo EnriqueCMGUA+40.04.0 pts · #9
- 2Lopez Escobar, Daniel AlejandroGUA+39.23.0 pts · #4
- 3Contreras Rivas, Valery NoemyGUA+36.43.0 pts · #13
Top rating losers
- 1Escobar Quan, Eva RocioGUA-50.01.0 pts · #24
- 2Cotzajay Vicente, Brandon JosueGUA-49.60.5 pts · #42
- 3Cifuentes Lara, Leo JavierGUA-46.00.0 pts · #35
Biggest upsets
- R4+235 Elo gap
- R5+199 Elo gap
- R4+156 Elo gap