My first problem submit. I will add variations soon!
(;SZ[19]AW[dn]AW[fn]AW[co]AW[go]AW[cp]AW[fp]AW[dq]AW[eq]AW[fr]AB[eo]AB[dp]AB[ep]AB[bq]AB[cq]AB[fq]AB[gq]C[Black to save his empty triangle :o)]GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]RU[Japanese]KM[0.00]PW[Weiß]PB[Schwarz]
(;B[es];W[cr];B[ds];W[er];B[gr]C[RIGHT])
(;B[er];W[dr])
(;B[gr];W[cr]))