International

Chess Federation

Top Federations

Main Page / Search

Women's Events '24-'25

Open Cycle 2025-2026

Women’s Cycle 2025-2026

Women’s Cycle 2023-2025

All Tournaments

Financial Reports

Commissions & Committees

Affiliated Organizations

Affiliated Members

Honourable Dignitaries

Contreras Ballesteros, Efrain

Not rated

STANDARD

Not rated

RAPID

Not rated

BLITZ

FIDE ID

29620538

Federation

Mexico

B-Year

1946

Gender

Male

FIDE title

None

Info
Calculations
Progress
Stats

Period	STD. RATING	STD GMS	RPD	RPD GMS	BLZ	BLZ GMS

Total Games

Standard Games

Rapid Games

Blitz Games

International

Chess Federation

© 2025 FIDE International Chess Federation. All Rights Reserved. No part of this site may be reproduced, stored in a retrieval system or transmitted in any way or by any means (including photocopying, recording or storing it in any medium by electronic means), without the written permission of FIDE International Chess Federation.