A15 Flank openings
English Orangutan
English Orangutan belongs to the flank openings family and has 2 catalogued lines.
Best for
Start with the main line, then add the variations that appear in your own games.
Study map
Start with one line, then add nearby branches.
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Browse all 2 lines
Open the catalogue only when you need a specific branch.
Main line2 lines
Mix the variations
Practice changing book replies after you know at least 2 lines.
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