(;GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2] RU[Japanese]SZ[4]KM[0.00] PW[Weiß]PB[Schwarz]AW[bd][cd]AB[ba][ca][ab][ac]C[White to play - what's the best he can do?]PL[W] (;W[cb]CR[cb] (;B[db]CR[db] (;W[bb]CR[bb] ;B[cc]CR[cc] ;W[bc]CR[bc] ;B[dc]CR[dc]C[Seki & jigo. The white stones make a 'c' now :) RIGHT]) (;W[dc]CR[dc] ;B[bb]CR[bb] (;W[da]CR[da] ;B[bc]CR[bc] (;W[cc]CR[cc] ;B[db]CR[db]C[With his next move, Black connects the ko: Seki & jigo (one prisoner each). RIGHT]) (;W[db]CR[db] ;B[cc]CR[cc]C[Black wins.])) (;W[cc]CR[cc] ;B[da]CR[da]C[Seki & jigo. RIGHT])) (;W[cc]CR[cc] (;B[dc]CR[dc] ;W[bb]CR[bb]C[Seki & jigo! RIGHT]) (;B[bb]CR[bb] ;W[dc]CR[dc] ;B[da]CR[da]C[Seki & jigo!]))) (;B[bb]CR[bb] (;W[db]CR[db] ;B[bc]CR[bc] ;W[cc]CR[cc] ;B[dc]CR[dc]C[Now, please capture :)] ;W[dd]CR[dd]C[Seki, White wins by one point (the prisoner)]) (;W[cc]CR[cc] ;B[db]CR[db] ;W[dc]CR[dc] ;B[da]CR[da]C[Seki & jigo.])) (;B[bc]CR[bc] ;W[cc]CR[cc] (;B[db]CR[db] (;W[dc]CR[dc] (;B[bb]CR[bb] ;W[da]CR[da]C[With his next move, White connects the ko: Seki, White wins by one point (the prisoner).]) (;B[da]CR[da] ;W[bb]CR[bb]C[White wins.])) (;W[bb]CR[bb] ;B[dc]CR[dc]C[Seki & jigo.])) (;B[bb]CR[bb] ;W[db]CR[db] ;B[dc]CR[dc]C[Now, please capture :)] ;W[dd]CR[dd]C[Seki, White wins by one point (the prisoner)]))) (;W[cc]CR[cc] ;B[cb]CR[cb] ;W[bc]CR[bc] ;B[db]CR[db] ;W[bb]CR[bb] ;B[dc]CR[dc]C[Black wins.]) (;W[bc]CR[bc] ;B[cb]CR[cb] (;W[bb]CR[bb] ;B[cc]CR[cc]C[Black wins.]) (;W[dc]CR[dc] ;B[cc]CR[cc] (;W[db]CR[db] ;B[bb]CR[bb]C[Black wins.]) (;W[bb]CR[bb] ;B[db]CR[db]C[Black wins.]))) (;W[dc]CR[dc] ;B[bc]CR[bc] ;W[cb]CR[cb] ;B[cc]CR[cc]C[Black wins.]))