○角交換振り飛車

 4_後手向かい△4四銀~△3三桂+高美濃型
  uploaded on 2018/7/7




 3_後手向かい△4四銀~△3五歩交換




 2_後手向かい△3五歩型




 1_先手向かい▲6六銀~▲7五歩交換