Format
GC
Guillen Cristobal, Sandra N
WFM🇲🇽FIDE 5131790· Female· Mexico· Born in 1999
Follow Sandra N Guillen CristobalTrack her monthly FIDE ratings, games, tournaments and more.
Sandra N Guillen Cristobal, a 27-year-old Mexican Woman FIDE Master, is rated 2024 — her current career high and ranked 6th among Mexican women. She has held steady between 2000 and 2050 for 10 months. 46 rated games in the past year (≈28/year long-term). Recent standard appearances include LXXI Campeonato Nacional e Internacional Abierto Mexicano de Ajedrez. Femenil, XXXV Torneo Internacional de Ajedrez GM Carlos Torre Repetto in Memoriam 2025. U2200, and 1er Nacional de Ajedrez "Mtro. Mario Jordan Velazquez Coello" In Memoriam Cat. Mario Jordan. Also played 3 rapid (including XXI Torneo del Pavo Minatitlan 2025 Libre) and 3 blitz events (including Torneo Internacional de Blitz Carlos Torre Repetto 2025) recently.
Awarded WFM in 2023 (age 24). At junior level, she reached #21, #29 and #39 nationally in U20, U18 and U16.
Current rating
2024
Standard
Rpd1879·Blz1881
All-time high
2024
at best
May 2026 · age 27
May 2026 · age 27
Activity
43
games / yr avg. · ≈4/mo
46 past 12 mo · ≈4/mo
classical only
Active
classical only
Active
Signature stat
#6
#6 · Mexican women · of 374
Career timeline
15 entries2026
All-time peak 2024
at age 27
May 2026
2025
Re-crossed 2000
at age 26
Sep 2025
63rd Mexican 20-35 player
at age 26 · rated 2016
May 2025
2024
Crossed 2000
at age 25
Dec 2024
2023
WFM title awardedWFM
at age 24
Jan 2023
2020
100 career games
at age 21
Apr 2020
Standard rating history
Peak
FIDE title
Threshold
First rated
COVID-19
FIDE recal.
Activity & highlights
Best result
XXXIX CAMPEONATO NACIONAL E INTERNACIONAL DE AJEDREZ "COPA BENITO JUAREZ 2025"perf 2561 (+549) · 4.5/5 · #4
Top opponent
3er Campeonato Internacional y Nacional Abierto de Ajedrez Veracruz 2025 Cat. Veracruz · Aug 2025 · +7.7 Elo
Evolution
+50
1974 → 2024
Tournaments
7
46 games
Score
31.5/ 4668.5%
29W5D12L
Top 3 wins
1.[W]vsLuis German Salazar FariasFM2,268·XXXIX CAMPEONATO NACIONAL E INTERNACIONAL DE AJEDREZ "COPA BENITO JUAREZ 2025"·R6·+16.3
2.[W]vsNestor Cofre ArchiboldFM2,226·XXXIX CAMPEONATO NACIONAL E INTERNACIONAL DE AJEDREZ "COPA BENITO JUAREZ 2025"·R2·+15.5
3.[W]vsGuadalupe Montano VicenteWFM2,033·Campeonato Nacional Femenil de Ajedrez Zacatecas 2025·R9·+10.7
Top 3 losses
Last 12 months — tournaments
7 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Apr 2026 | 5/7 | #13 | 2061 | +11.2 |
Open Swiss | Dec 2025 | 4.5/7 | #9 | 1982 | +3.6 |
Open Swiss | Oct 2025 | 3.5/6 | #6 | 2049 | +5.8 |
Swiss | Sep 2025 | 6.5/7 | #9 | 2284 | -9.0 |
Swiss | Aug 2025 | 2.5/5 | #24 | 2005 | -19.4 |
Swiss | Jul 2025 | 4.5/5 | #4 | 2561 | +40.6 |
Round-Robin | Jul 2025 | 5/3 | #1 | 2577 | +16.8 |
Worst Elo result: 3er Campeonato Internacional y Nacional Abierto de Ajedrez Veracruz 2025 Cat. Veracruz (-19.4 Elo, finished #24).
Most-Played Opponents
vsNestor Cofre ArchiboldFM
🇲🇽MEX·2255
+1 −11 =1
13 games·last met Oct 2025
View head-to-head →
vsJordi Milburgo Carrera Puig
🇲🇽MEX·1834
+3 −4 =3
10 games·last met Sep 2025
View head-to-head →
vsZenia Corrales JimenezWIM
🇲🇽MEX·2142
+0 −7 =1
8 games·last met Apr 2026
View head-to-head →
vsLhia Itzayana Castellanos HernandezWCM
🇲🇽MEX·1939
+5 −0 =0
5 games·last met Apr 2026
View head-to-head →
vsRicardo Paul Ortiz Hernandez
🇲🇽MEX·1873
+2 −1 =2
5 games·last met Oct 2025
View head-to-head →
Rankings
/
Mexico
#156
out of 3,019 players
Americas
#2,513
in continent
World
#24,014
out of 400,000+
National ranking
Europe & World
Europe
World
Mexico
| 1 | 🇲🇽Follow Jose Eduardo Martinez AlcantaraTrack their monthly FIDE ratings, games, tournaments and more. | 2,650 |
| 2 | 🇲🇽Follow Luis Ernesto Quesada PerezTrack their monthly FIDE ratings, games, tournaments and more. | 2,536 |
| 3 | 🇲🇽Follow Sion Radamantys Galaviz MedinaTrack their monthly FIDE ratings, games, tournaments and more. | 2,513 |
| 4 | 🇲🇽Follow Juan Carlos Gonzalez ZamoraTrack their monthly FIDE ratings, games, tournaments and more. | 2,466 |
| 5 | 🇲🇽Follow Juan Carlos Obregon RiveroTrack their monthly FIDE ratings, games, tournaments and more. | 2,446 |
| 6 | 🇲🇽Follow Kevin Joel Cori QuispeTrack their monthly FIDE ratings, games, tournaments and more. | 2,440 |
| 7 | 🇲🇽Follow Carlos Sandoval MercadoTrack their monthly FIDE ratings, games, tournaments and more. | 2,422 |
| 8 | 🇲🇽Follow Isaac Antonio Garcia GuerreroTrack their monthly FIDE ratings, games, tournaments and more. | 2,400 |
| 9 | 🇲🇽Follow Gilberto Hernandez GuerreroTrack their monthly FIDE ratings, games, tournaments and more. | 2,398 |
| 10 | 🇲🇽Follow Roberto Calderin GonzalezTrack their monthly FIDE ratings, games, tournaments and more. | 2,380 |
| ... | ||
| 156 | 2,024 | |
Americas
| 1 | 🇺🇸Follow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more. | 2,792 |
| 1 | 🇺🇸Follow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more. | 2,792 |
| 3 | 🇺🇸Follow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
| 4 | 🇺🇸Follow Hans Moke NiemannTrack their monthly FIDE ratings, games, tournaments and more. | 2,742 |
| 5 | 🇺🇸Follow Leinier Dominguez PerezTrack their monthly FIDE ratings, games, tournaments and more. | 2,732 |
| 6 | 🇺🇸Follow Levon AronianTrack their monthly FIDE ratings, games, tournaments and more. | 2,724 |
| 7 | 🇺🇸Follow Awonder LiangTrack their monthly FIDE ratings, games, tournaments and more. | 2,696 |
| 7 | 🇺🇸Follow Samuel SevianTrack their monthly FIDE ratings, games, tournaments and more. | 2,696 |
| 9 | 🇺🇸Follow Jeffery XiongTrack their monthly FIDE ratings, games, tournaments and more. | 2,656 |
| 10 | 🇺🇸Follow Ray RobsonTrack their monthly FIDE ratings, games, tournaments and more. | 2,653 |
| ... | ||
| 2513 | 2,024 | |
World
| 1 | 🇳🇴Follow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more. | 2,841 |
| 2 | 🇺🇸Follow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more. | 2,792 |
| 2 | 🇺🇸Follow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more. | 2,792 |
| 4 | 🇺🇿Follow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more. | 2,777 |
| 4 | 🇺🇿Follow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,777 |
| 6 | 🇩🇪Follow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more. | 2,767 |
| 7 | 🇳🇱Follow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more. | 2,764 |
| 8 | 🇮🇳Follow Erigaisi ArjunTrack their monthly FIDE ratings, games, tournaments and more. | 2,761 |
| 9 | 🇺🇸Follow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
| 9 | 🇨🇳Follow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
| ... | ||
| 24014 | 2,024 | |