La batalla del Peon
Open SwissStandard
37 players participated in this 6-round tournament, held from 26 May 2026 to 28 May 2026 in CDM, Ciudad de Mexico, Mexico. 3 titled players from 3 federations. Top 10 Elo average was 1941, and top seed was Benjamin Gongora Montes (🇲🇽 MEX, IM, 2123).
Pablo Elliott De Alba Boudreau (🇲🇽 MEX, 1882) won with 5.0/6, ahead of Kimberly Castillo Vallejo (4.5) and Rebeca Garcia Hernandez (4.0). De Alba Boudreau shared the lead from round 5 and broke clear in the final round.
The biggest upset came in round 6: Agustin Emilio Romo Gonzalez (1603) beat Hector Busto Busto (1965), a +362-point gap.
Location
🇲🇽CDM, Ciudad de Mexico, Mexico
Dates
26 May 2026 → 28 May 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 6 rounds
Titled players · 3
IM×1
CM×1
WCM×1
Federations · 3 represented
🇲🇽Mexico×35
FIDE (no federation)×1
🇺🇸United States of America×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 6 roundsPablo Elliott De Alba Boudreau led from R3; +0.5-point edge over the runner-up.
Co-leaders
13
5
1
2
2
1
R3–R6 · LEAD HELD
Pablo Elliott De Alba Boudreau held the sole lead from R3 through R6 without losing it.
R5 · HEAD-TO-HEAD · WINNER VS 2ND
Pablo Elliott De Alba Boudreau beat Kimberly Castillo Vallejo (Black).
R1–R3 · WIN STREAK
Pablo Elliott De Alba Boudreau won 3 in a row (R1–R3).
Key matchups · top 4
Head-to-head between the four finishersGrille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | De Alba Boudreau, Pablo Elliott | 1882 | MEX | +20N | +14B | +5N | −8B | +2N | +3N | 5.0 | 19.0 | 22.0 | 18.50 | 2064 | +55.2 |
| 2 | Castillo Vallejo, Kimberly | 1799 | MEX | +25B | =3N | +35B | +4N | −1B | +9N | 4.5 | 18.5 | 18.5 | 11.50 | 1956 | +25.8 |
| 3 | Garcia Hernandez, RebecaWCM | 1961 | MEX | +29N | =2B | +10N | +15B | =8N | −1B | 4.0 | 19.5 | 21.0 | 12.00 | 1896 | -14.8 |
| 4 | Enriquez Michel, Renato | 1921 | MEX | +19N | +9B | =15N | −2B | =10N | +14B | 4.0 | 17.5 | 20.5 | 12.75 | 1791 | -15.8 |
| 5 | Hidalgo Rios, Manuel | 1890 | MEX | +17B | +24N | −1B | −9N | +18B | +26N | 4.0 | 16.5 | 18.5 | 10.00 | 1817 | -8.6 |
| 6 | Zarate Manjarrez, AlfredoCM | 1995 | MEX | F | F | +18B | +24N | +11B | +8N | 4.0 | 12.0 | 12.0 | 12.00 | 2617 | +22.0 |
| 7 | Benitez Diaz, Francisco Javier | 1781 | MEX | +36B | −8N | F | +17N | +24B | +16B | 4.0 | 11.5 | 11.5 | 8.00 | 1979 | +25.0 |
| 8 | Jackson, Leo Daniel Olivera | 1938 | USA | F | +7B | +16N | +1N | =3B | −6B | 3.5 | 20.0 | 22.5 | 14.00 | 2047 | +29.2 |
| 9 | Sanchez Hernandez, Carlos Rafael | 1763 | MEX | +32B | −4N | +17B | +5B | =16N | −2B | 3.5 | 18.5 | 19.5 | 9.50 | 1818 | +14.8 |
| 10 | Garcia Corona, Rommel Fernando | 1741 | MEX | =12B | +28N | −3B | +35N | =4B | =11N | 3.5 | 16.5 | 16.5 | 7.00 | 1898 | +48.0 |
| 11 | Jimenez Jimenez, Dante Edgar | 1859 | MEX | −14N | +23B | +33N | +19B | −6N | =10B | 3.5 | 16.0 | 17.0 | 8.25 | 1722 | -17.0 |
| 12 | Gongora Montes, BenjaminIM | 2123 | MEX | =10N | +22B | F | F | +20N | +21B | 3.5 | 11.5 | 11.5 | 9.75 | 2124 | +0.8 |
| 13 | Juarez Juarez, Claudio De Jesus | 1820 | MEX | F | F | +21N | =28B | +19N | +15B | 3.5 | 10.0 | 10.0 | 9.25 | 1934 | +7.8 |
| 14 | Rivera Villa, Daniel Alexander | 1554 | MEX | +11B | −1N | +26B | =16B | =15N | −4N | 3.0 | 18.5 | 20.5 | 8.50 | 1737 | +37.6 |
| 15 | Sanchez Hernandez, Diego | 1509 | MEX | +26B | +30N | =4B | −3N | =14B | −13N | 3.0 | 16.5 | 17.5 | 6.50 | 1730 | +44.8 |
| 16 | Castaneda Luna, Alfredo | 1872 | MEX | +27B | +34N | −8B | =14N | =9B | −7N | 3.0 | 16.0 | 17.0 | 6.25 | 1720 | -22.4 |
| 17 | Duran Ceron, Andres | 1609 | MEX | −5N | +31B | −9N | −7B | +37B | +27N | 3.0 | 14.5 | 14.5 | 3.00 | 1635 | +2.4 |
| 18 | Olivo Diaz, Marco Cristofer | 1703 | MEX | =22N | =29B | −6N | +32B | −5N | +25B | 3.0 | 14.0 | 15.0 | 5.00 | 1740 | +6.4 |
| 19 | Cruz Corona, Carlos Roberto | 1620 | MEX | −4B | +25N | +30B | −11N | −13B | +31N | 3.0 | 14.0 | 15.0 | 4.00 | 1713 | +10.4 |
| 20 | Romo Gonzalez, Agustin Emilio | 1603 | MEX | −1B | +36N | F | +30N | −12B | +22B | 3.0 | 12.0 | 12.0 | 3.50 | 1907 | +72.0 |
| 21 | Olalde Hernandez, Vincent Neidan | 1625 | MEX | F | =27N | −13B | +29N | +23B | −12N | 2.5 | 15.0 | 16.5 | 5.00 | 1700 | +10.0 |
| 22 | Busto Busto, Hector | 1965 | MEX | =18B | −12N | −28B | +25N | +35B | −20N | 2.5 | 13.0 | 13.0 | 3.50 | 1643 | -44.4 |
| 23 | Castaneda Herrera, Alfredo | 1510 | MEX | −30B | −11N | =27B | +36N | −21N | +35B | 2.5 | 9.0 | 9.0 | 1.00 | 1602 | 0.0 |
| 24 | Maldonado Salazar, Alejandro | 1768 | MEX | +31N | −5B | +32N | −6B | −7N | F | 2.0 | 14.0 | 14.0 | 2.00 | 1089 | -20.4 |
| 25 | Cesar Vidal, Fernando | 1509 | MEX | −2N | −19B | +37N | −22B | +30B | −18N | 2.0 | 14.0 | 14.0 | 1.00 | 1600 | +20.4 |
| 26 | Hernandez Martinez, Saul | 1793 | MEX | −15N | +37B | −14N | +31B | F | −5B | 2.0 | 12.5 | 12.5 | 1.00 | 1420 | 0.0 |
| 27 | Alvarez Soto, Guillermo | 1601 | MEX | −16N | =21B | =23N | −33B | +32N | −17B | 2.0 | 12.0 | 13.0 | 3.50 | 1380 | -19.8 |
| 28 | Maciel Corona, Jose Antonio | 1639 | MEX | F | −10B | +22N | =13N | F | F | 1.5 | 11.5 | 11.5 | 4.25 | 1842 | +15.0 |
| 29 | Ortiz Barranon, Fernando | 1703 | MEX | −3B | =18N | F | −21B | +36N | F | 1.5 | 9.5 | 9.5 | 1.50 | 1612 | -10.8 |
| 30 | Elizarraraz Ibarra, Juan Jose | 1818 | MEX | +23N | −15B | −19N | −20B | −25N | F | 1.0 | 13.5 | 13.5 | 2.50 | 760 | -130.0 |
| 31 | Jimenez Arenas, Linus Emilio | 1479 | MEX | −24B | −17N | +36B | −26N | F | −19B | 1.0 | 11.0 | 11.0 | 0.00 | 1433 | 0.0 |
| 32 | Vargas Castellanos, Eduardo | 0 | FID | −9N | F | −24B | −18N | −27B | +37N | 1.0 | 10.5 | 10.5 | 0.00 | 1427 | 0.0 |
| 33 | Ortiz Garcia, Arturo | 1701 | MEX | F | F | −11B | +27N | F | F | 1.0 | 5.5 | 5.5 | 2.00 | 1730 | +2.8 |
| 34 | Morquecho Garcia, Leonardo Alfons | 1685 | MEX | +37N | −16B | F | F | F | F | 1.0 | 4.0 | 4.0 | 0.00 | 1686 | 0.0 |
| 35 | Anaya Cruz, Agustin | 1544 | MEX | F | F | −2N | −10B | −22N | −23N | 0.0 | 16.5 | 16.5 | 0.00 | 1028 | -20.8 |
| 36 | Zavala Ruiz, Oscar | 1508 | MEX | −7N | −20B | −31N | −23B | −29B | F | 0.0 | 12.0 | 13.0 | 0.00 | 896 | -15.8 |
| 37 | Jackson Olivera, Samuel | 1500 | MEX | −34B | −26N | −25B | F | −17N | −32B | 0.0 | 9.0 | 9.0 | 0.00 | 801 | -44.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Romo Gonzalez, Agustin EmilioMEX+72.03.0 pts · #12
- 2De Alba Boudreau, Pablo ElliottMEX+55.25.0 pts · #1
- 3Garcia Corona, Rommel FernandoMEX+48.03.5 pts · #10
Top rating losers
- 1Elizarraraz Ibarra, Juan JoseMEX-130.01.0 pts · #33
- 2Busto Busto, HectorMEX-44.42.5 pts · #14
- 3Jackson Olivera, SamuelMEX-44.00.0 pts · #34
Biggest upsets
- R6+362 Elo gap
- R3+326 Elo gap
- R2+309 Elo gap