(;GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2] RU[Japanese]SZ[4]KM[0.00] PW[Weiß]PB[Schwarz]AW[da][ab][bb][bc][dc][bd]AB[cb][cc][cd][dd] (;B[ca]CR[ca] ;W[ba]CR[ba] ;B[db]CR[db]C[Black wins by one point! B D3 instead of B C4 is also good, but B B4 woukd have been a mistake RIGHT]) (;B[db]CR[db] ;W[ca]CR[ca] ;B[ba]CR[ba] ;W[ca]CR[ca] (;B[ac]CR[ac] ;W[aa]CR[aa]C[Black wins by one point - 3 prisoners against 2. B C4 instead of B D3 woud have been also okay and easier, but starting with B B4 doesn't work RIGHT ]) (;B[da]CR[da] ;W[aa]CR[aa] ;B[ac]CR[ac] ;W[ca]CR[ca]C[Black is dead....])) (;B[ba]CR[ba] ;W[aa]CR[aa] ;B[db]CR[db] ;W[ca]CR[ca] ;B[ba]CR[ba] ;W[ca]CR[ca] (;B[ac]CR[ac] ;W[ad]CR[ad]C[3 prisoners each, so it's a jigo! This isn't good enough - B C4 and B D3 instead of B B4 both win by one point.]) (;B[ad]CR[ad] ;W[ac]CR[ac]C[3 prisoners each, so it's a jigo! This isn't good enough - both B C4 and B D3 instead of B B4 win by one point])))