Alejandro Ramirez Alvarez vs Bernal Gonzalez Acosta
ch-CRC San Jose CRC round 2 2001.06.27
Colle System: Rhamphorhynchus Variation 0-1

Bernal Gonzalez Acosta vs Carlos Minero Pineda
ch-CRC San Jose CRC round 13 2001.06.16
Alekhine Defense: Modern Variation 1-0

Bernal Gonzalez Acosta vs Juan Carlos Sanchez Jimenez
ch-CRC San Jose CRC round 9 2001.06.05
Bird Opening: Dutch Variation 1-0

Bernal Gonzalez Acosta vs Alexis Murillo Tsijli
ch-CRC San Jose CRC round 7 2001.06.03
Bird Opening: Dutch Variation 1/2-1/2

Carlos Granados vs Bernal Gonzalez Acosta
ch-CRC San Jose CRC round 8 2001.06.04
Sicilian Defense: Alapin Variation 0-1

Bernal Gonzalez Acosta vs Arman Pashikian
Chess Olympiad Khanty-Mansiysk RUS round 1 2010.09.21
Scotch Game 1/2-1/2

Bernal Gonzalez Acosta vs Krishnan Sasikiran
36th Olympiad Calvia ESP round 2 2004.10.17
Caro-Kann Defense: Exchange Variation 0-1

Bernal Gonzalez Acosta vs William Charpentier Morales
ch-CRC San Jose CRC round 3 2004.07.09
Alekhine Defense: Modern Variation 1-0

Bernal Gonzalez Acosta vs Sergio Bermudez Vives
ch-CRC San Jose CRC round 3 2001.06.28
Queen’s Gambit Declined: Chigorin Defense 1-0