(;AB[cb]AB[db]AB[eb]AB[bc]AB[bd]AB[be]AW[bb]AB[ba]AW[ab]AW[cc]AW[cd]AW[ce]AW[cf]AW[bf]AW[bh]AW[dc]AW[ec]AW[fb]AW[fa]AW[gc]AB[ac]AW[ea]AB[ae]C[White to move...]AP[goproblems] (;W[ca];B[aa] (;W[bb];B[ab] (;W[da]C[Well done! The second eye turns fake! :)RIGHT]) (;W[af];B[da]C[:(])) (;W[da];B[bb]C[:(]) (;W[af];B[da]C[:(])) (;W[da];B[ca] (;W[aa];B[cb]C[This type of play is called under-the-stones (Japanese: ishi no shita), it provides the 2nd eye under the captured stones... :(]) (;W[af];B[aa]C[:(])) (;W[af];B[aa]C[:(]))