(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]
RU[Japanese]SZ[19]KM[0.00]
PW[CHH]PB[XX]
;B[pd]
;W[dd]
;B[pq]
;W[dp]
;B[fq]
;W[po]
;B[cn]
;W[dn]
;B[dm]
;W[en]
;B[cp]
;W[co]
;B[bo]
;W[do]
;B[bm]
;W[cq]
;B[bp]
;W[em]
;B[dl]
;W[ip]
;B[nq]
;W[qq]
;B[qr]
;W[qp]
;B[rr]
;W[qk]
;B[cf]
;W[fc]
;B[fk]LB[nc:A][ef:B][gp:D][eq:E][lq:C]C[The starting position. 
On the RHS a simple joseki is played out where Black secures territory and white settles the position up to 26. With 27 and 29 black enlarges his position on the LHS . 

DW  What is really going on in  this position ? 

points to consider are 
a) the status of the white group in the lower LHS 
b) the importance of sente particularly at this stage of the early middle game 
c) how to make sure you get good value (efficiency) for moves played]
)
