i'm using older build now, maybe later i will test latest build with gridsize 4096, for hashrate 14.3mh.sec i use port 3001, i compared 24 hours mining results, i will test -luck setting as well tomorrow, thing is mintpond has quite high luck in last 5-7 days or so:
24 hours   117.9%
3 Days   124.5%
7 Days   108%

here's my last few days earnings:

2019-04-01   0.39158624
2019-03-31   0.60101800
2019-03-30   0.45075329
2019-03-29   0.47766784

only 31 march i got 0.6, yesterday only 0.39, if situation doesn't change i will try 2miners again, with gridsize 4096 and -luck option using latest build