A3 opening

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The title given to this article is incorrect due to technical limitations. The correct title is a3 opening.

Common answers

abcdefghijklm123456789101112131

Most players answer here g7 (+ hexa) because the center is said to be important. There other possibilities though: i10 and j11.

These two moves are good too because of template Va (i10) and template IVa (j11), hence Blue is connected to right edge and makes it harder for Red to link to Bottom edge.

Second move: i10

abcdefghijklm1234567891011121312

k10 is then a frequent move for Red, because it intrudes Blue template and creates one template at the same time. Moreover it may prove useful later as a ladder escape.

Second move: j11

abcdefghijklm1234567891011121312

See also

a3 escape trick

External link

There use to be a very good website by J. Rydh on openings, but it seems to have disappeared.