ELO: 600–2200
Promoted
Openings, Explained
Understand the ideas, then drill the lines
Jeroen Bosch
ELO: 1800–2200
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How To Out-Prepare Your Opponent
Jeroen Bosch
ELO: 1900–2200+
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SOS - Secrets of Opening Surprises 5
Jeroen Bosch
ELO: 1900–2200+
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SOS - Secrets of Opening Surprises 6
Jeroen Bosch