Bishop Trick Trap
Na5 also violates a general opening principle ... "don't move a piece twice until other pieces have been developed *unless* there is clear material adavantage". Black should proceed with developing his other minor pieces.
Na5 also violates a general opening principle ... "don't move a piece twice until other pieces have been developed *unless* there is clear material adavantage". Black should proceed with developing his other minor pieces.