RAFAEL LEMUS IN MEMORIAM 2026
Open SwissStandard
44 players participated in this 5-round tournament, held from 27 Jan 2026 to 25 Feb 2026 in Guatemala, Guatemala. 5 titled players from 3 federations. Top 10 Elo average was 1944, and top seed was David Emanuel Giron Chavez (🇬🇹 GUA, FM, 2070).
Juan Carlos De Leon Calderon (🇬🇹 GUA, 1899) won with 4.5/5, ahead of Cesar Augusto Blanco Gramajo (4.0) and Jose David Lopez Escobar (3.5). De Leon Calderon shared the lead from round 4 and broke clear in the final round.
The biggest upset came in round 1: Cristopher Cordero Medrano (1718) beat Rodolfo Enrique Paxtor Chiguichon (CM, 2057), a +339-point gap.
Location
🇬🇹Guatemala, Guatemala
Dates
27 Jan 2026 → 25 Feb 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 5 rounds
Titled players · 5
FM×1
CM×4
Federations · 3 represented
🇬🇹Guatemala×41
🇦🇷Argentina×1
🇩🇪Germany×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 5 roundsJuan Carlos De Leon Calderon led from R5; +0.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.
Co-leaders
14
6
2
2
1
R5–R5 · LEAD HELD
Juan Carlos De Leon Calderon held the sole lead from R5 through R5 without losing it.
R1–R5 · WIN STREAK
CM Cesar Augusto Blanco Gramajo won 4 in a row (R1–R5).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Juan Carlos De Leon Calderon | * | — | ½ | — |
| 2CMCesar Augusto Blanco Gramajo | — | * | — | 1 |
| 3CMJose David Lopez Escobar | ½ | — | * | — |
| 4Jason Batz Marroquin | — | 0 | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | De Leon Calderon, Juan Carlos | 1899 | GUA | +20B | +10N | =3B | +19N | +5B | 4.5 | 11.0 | 13.0 | 11.25 | 2169 | +23.8 |
| 2 | Blanco Gramajo, Cesar AugustoCM | 2044 | GUA | +25B | +24N | +5B | F | +4N | 4.0 | 11.5 | 13.0 | 9.50 | 2610 | +14.6 |
| 3 | Lopez Escobar, Jose DavidCM | 1944 | GUA | +16N | +33B | =1N | F | +30B | 3.5 | 11.5 | 12.5 | 6.25 | 2088 | +35.6 |
| 4 | Batz Marroquin, Jason | 1823 | GUA | +18B | +21N | +23B | =6N | −2B | 3.5 | 11.0 | 13.0 | 7.50 | 1997 | +44.8 |
| 5 | Voisard, Dominic | 1904 | GUA | +12B | +7N | −2N | +28B | −1N | 3.0 | 14.0 | 15.0 | 6.50 | 1898 | +0.4 |
| 6 | Monroy Lopez, Gustavo AdolfoCM | 1963 | GUA | +34N | F | +8B | =4B | =11N | 3.0 | 10.0 | 11.0 | 7.00 | 2073 | +12.0 |
| 7 | Cordero Medrano, Dennis Matheus | 1745 | GUA | +27N | −5B | +39B | +8N | −22N | 3.0 | 9.0 | 9.0 | 4.00 | 1834 | +25.2 |
| 8 | Aguilar Enzetti, Silvio Alejandro | 1901 | ARG | +39N | +15B | −6N | −7B | +42N | 3.0 | 8.0 | 8.0 | 2.00 | 1827 | -8.4 |
| 9 | Palomo Torres, Eduardo | 1572 | GUA | F | −17N | +41B | +40N | +31B | 3.0 | 4.5 | 4.5 | 1.00 | 1844 | +20.6 |
| 10 | De Leon, Rudy | 1748 | GUA | +41N | −1B | =16N | +32B | −27B | 2.5 | 8.5 | 8.5 | 2.00 | 1648 | -18.0 |
| 11 | Giron Chavez, David EmanuelFM | 2070 | GUA | F | +28B | +14N | F | =6B | 2.5 | 7.5 | 7.5 | 5.00 | 2080 | +1.6 |
| 12 | Rodriguez Alvarez, Ivan Ariel | 1672 | GUA | −5N | +40B | =15N | +35B | F | 2.5 | 7.5 | 7.5 | 2.00 | 1775 | +21.2 |
| 13 | Cordero Medrano, Marlyn Elizabeth | 1553 | GUA | −15N | −16B | +20N | =29B | +32N | 2.5 | 7.0 | 8.0 | 3.50 | 1657 | +35.6 |
| 14 | Zamora Ruiz, Victor A. | 1673 | GUA | F | +38N | −11B | +37N | =15B | 2.5 | 6.0 | 6.0 | 2.50 | 1781 | +6.4 |
| 15 | Bianchi Azurdia, Gerardo | 1752 | GUA | +13B | −8N | =12B | F | =14N | 2.0 | 10.5 | 12.5 | 5.00 | 1694 | -7.0 |
| 16 | Vasquez Linares, Emerson Baudilio | 1647 | GUA | −3B | +13N | =10B | −24N | =18N | 2.0 | 10.5 | 12.0 | 4.75 | 1653 | +0.8 |
| 17 | Paxtor Chiguichon, Rodolfo EnriqueCM | 2057 | GUA | −28N | +9B | +21N | F | F | 2.0 | 9.0 | 10.0 | 5.00 | 1826 | -29.2 |
| 18 | Lopez Hernandez, Jose Daniel | 1543 | GUA | −4N | +34B | =29N | F | =16B | 2.0 | 8.5 | 9.5 | 2.50 | 1687 | +5.6 |
| 19 | Quijivix Sanchez, Jose Antonio | 1750 | GUA | F | +35N | +32B | −1B | F | 2.0 | 8.5 | 8.5 | 2.00 | 1829 | +10.0 |
| 20 | Ramos G., Augusto Harold | 1686 | GUA | −1N | F | −13B | +41N | +40B | 2.0 | 8.0 | 8.0 | 0.00 | 1618 | -7.6 |
| 21 | Vela Alonzo, Luis A. | 1709 | GUA | +40N | −4B | −17B | −31N | +39B | 2.0 | 6.5 | 6.5 | 0.00 | 1652 | -10.2 |
| 22 | Lopez Escobar, Daniel Alejandro | 1814 | GUA | F | +43N | F | F | +7B | 2.0 | 5.0 | 5.0 | 3.00 | 2469 | +25.6 |
| 23 | Jui, Marlow | 1759 | GUA | F | +29B | −4N | +42B | F | 2.0 | 4.5 | 4.5 | 1.00 | 1784 | +0.4 |
| 24 | Garcia, Eddy | 1810 | GUA | F | −2B | =25N | +16B | F | 1.5 | 11.5 | 13.0 | 2.75 | 1808 | -0.6 |
| 25 | Ortega Zelada, Victor Aron | 1683 | GUA | −2N | +41B | =24B | F | F | 1.5 | 7.0 | 7.0 | 0.75 | 1811 | +6.6 |
| 26 | FIDE 7309724 | 0 | — | F | −30N | =38B | +39N | F | 1.5 | 3.0 | 3.0 | 0.25 | 1698 | 0.0 |
| 27 | Sagastume Estrada, Carlos Raul | 1534 | GUA | −7B | F | F | F | +10N | 1.0 | 8.5 | 8.5 | 2.50 | 1768 | +12.4 |
| 28 | Cordero Medrano, Cristopher | 1718 | GUA | +17B | −11N | F | −5N | F | 1.0 | 8.5 | 8.5 | 2.00 | 1899 | +22.8 |
| 29 | Sepe, Ricardo | 1598 | GUA | F | −23N | =18B | =13N | −37B | 1.0 | 7.5 | 7.5 | 2.25 | 1419 | -17.6 |
| 30 | Lopez Villatoro, Juan Gilberto | 1688 | GUA | F | +26B | F | F | −3N | 1.0 | 7.5 | 7.5 | 1.50 | 1070 | -12.0 |
| 31 | Esquivel Noriega, Emilio Alejandro | 1560 | GUA | −36N | F | F | +21B | −9N | 1.0 | 7.0 | 7.0 | 2.00 | 1589 | +3.2 |
| 32 | Escobar Quan, Eva Rocio | 1566 | GUA | F | +44B | −19N | −10N | −13B | 1.0 | 7.0 | 7.0 | 0.00 | 894 | -46.8 |
| 33 | De Leon Gonzalez, Jairo Aron | 1727 | GUA | +37B | −3N | F | F | F | 1.0 | 6.5 | 6.5 | 1.00 | 1689 | -1.4 |
| 34 | Rose, Sven | 1722 | GER | −6B | −18N | F | +44B | F | 1.0 | 6.5 | 6.5 | 0.00 | 1030 | -14.4 |
| 35 | Diaz Reyes, Dario | 1561 | GUA | F | −19B | +44N | −12N | F | 1.0 | 5.5 | 5.5 | 0.00 | 921 | -12.4 |
| 36 | Lozano, Ricardo | 1836 | GUA | +31B | F | F | F | F | 1.0 | 5.0 | 5.0 | 1.00 | 2362 | +4.0 |
| 37 | Rodriguez, Pablo Fernando | 1507 | GUA | −33N | F | F | −14B | +29N | 1.0 | 4.5 | 4.5 | 1.00 | 1535 | +2.0 |
| 38 | Perez Chavez, Josue Porfirio | 0 | GUA | F | −14B | =26N | F | F | 0.5 | 5.0 | 5.0 | 0.75 | 873 | -18.8 |
| 39 | Sigui Gil, Norman | 1632 | GUA | −8B | F | −7N | −26B | −21N | 0.0 | 9.5 | 10.5 | 0.00 | 989 | -21.0 |
| 40 | Cordero Valdez, Cornelio | 1476 | GUA | −21B | −12N | F | −9B | −20N | 0.0 | 9.5 | 9.5 | 0.00 | 874 | 0.0 |
| 41 | Chua, Cirilo | 1545 | GUA | −10B | −25N | −9N | −20B | F | 0.0 | 9.0 | 9.0 | 0.00 | 901 | -47.2 |
| 42 | Dubon M., Carlos Giovanni | 1568 | GUA | F | F | F | −23N | −8B | 0.0 | 6.0 | 6.0 | 0.00 | 1046 | -6.8 |
| 43 | Abarca Ochoa, Bryan R. | 1562 | GUA | F | −22B | F | F | F | 0.0 | 3.5 | 3.5 | 0.00 | 1008 | -4.6 |
| 44 | Taque Lopez, Haniel | 0 | GUA | F | −32N | −35B | −34N | F | 0.0 | 3.0 | 3.0 | 0.00 | 828 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Batz Marroquin, JasonGUA+44.83.5 pts · #4
- 2Lopez Escobar, Jose DavidCMGUA+35.63.5 pts · #3
- 3Cordero Medrano, Marlyn ElizabethGUA+35.62.5 pts · #13
Top rating losers
- 1Chua, CiriloGUA-47.20.0 pts · #36
- 2Escobar Quan, Eva RocioGUA-46.81.0 pts · #41
- 3Paxtor Chiguichon, Rodolfo EnriqueCMGUA-29.22.0 pts · #15
Biggest upsets
- R1+339 Elo gap
- R5+214 Elo gap
- R2+179 Elo gap