1P-762P-343P-46This is the move that shows that you are playing sumisu system.(as sente). Originally it was only used as punishment for not accepting bishop exchange. As sente we will see a more quick attack spirit.4P-845S-486P-857S-478P-86In this variant we will see what happens if gote does not develop any pieces and goes directly for the rook's pawn exchange.9Px8610Rx8611Bx22+12Sx2212.Rx89+13.+Bx21sente is satisfied with this result13B*7714R-8215P*83This move is very important to know by heart. It is a very beautifull tesuji and gives sente the advantage here.16R-3216.Rx8317.Bx22+18.B*3319.+Bx3320.Nx3321.R-8822.P*8723.R-48In exchange for a silver, gote got a small counterattack.24.B*4425.B*7726.Bx77+27.Nx7728.B*8829.Sx8830.Px88+31.B*6632.S*4233.S*84Is a winning game for sente17R-8818P*87gote has the same trick19R-48And this is a even game for both sente and gote.19.Rx8720.B*28would lead to a reversal of tide