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Master Ruben's
lectures
USCF Chess Master Reuben Analyzes the Concept of Blitzkrieg
IUSCF Chess Master Reuben Analyzes Rapid Development
USCF National Master vs. #2 Player in Utah
USCF Master Ruben vs. FIDE Master Conrado Diaz - Can You See The Big Sacrifice?
ChampionshipUSCF National
Master Ruben vs. Expert in 2001 Hawaii State
Mariano vs. Cvitan King's Indian Defense Petrosian Variation
USCF Master vs. FIDE Master
The curious case of the knights
USCF National Master Ruben Analyzes The Jackal Attack
USCF National Master Ruben vs. State Champion of Hawaii
Trouble on F7
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