This is from one of my games. I was lying in my bed watching a game when it suddenly struck me that I missed a legendary tesuji in my game on tygem.
Thanks to Thumb and Davidgoto for pointing out my mistake.
This is my first problem. Please comment if you see any mistakes.
(;AB[pd]AW[dp]AB[qp]AW[np]AB[oq]AW[dd]AB[fc]AW[cf]AB[jd]AW[qf]AB[qi]AW[qc]AW[qd]AW[qe]AB[pc]AB[pe]AB[pf]AW[qh]AW[pg]AW[qg]AB[ph]AB[og]AB[pi]AW[ng]AB[of]AB[op]AW[gq]AB[no]AW[ni]AW[kd]AB[ke]AW[jc]AB[kc]AW[ld]AB[lc]AW[le]AB[je]AW[mc]AB[mb]AW[nb]AB[lb]AB[nc]AW[md]AW[kf]AB[lf]AW[nd]AB[oc]AW[lg]AB[mf]AW[nf]C[This is from one of my games on tygem that I won by 3.5 points. I missed the final blow after attacking the marked stones. Can you find it?]TR[ng]TR[nf]TR[ni]TR[lg]TR[kf]TR[le]TR[ld]TR[kd]TR[md]TR[nd]TR[mc]TR[nb]TR[jc]AP[goproblems]
(;B[kg]
(;W[jf]
(;B[mg]
(;W[jg]LB[id:A]LB[mh:B]C[White is threatening to capture you. What should you do?]
(;B[ih];W[id]C[Nice... You found the tesuji. But white will still fight.];B[ie];W[mh];B[lh];W[me];B[lg];W[li];B[kh];W[jh];B[ki];W[ii]C[]
(;B[ji]C[White is in big trouble now. Navigate solution to find the correct answer for white.RIGHT])
(;B[ne]C[RIGHT]))
(;B[lh];W[id]C[White happily captures the stones and escapes.CHOICE]TR[jd]TR[je]TR[ke])
(;B[ic];W[mh];B[lh];W[me];B[lg];W[li]C[The marked stones are dead.CHOICE]TR[lh]TR[lg]TR[kg]TR[lf]TR[mf]TR[mg])
(;B[if];W[ig];B[hh];W[mh];B[lh];W[me];B[lg];W[li];B[kh];W[jh]C[The marked stones are dead, but you're on the right track with A though.]LB[hh:A]TR[kh]TR[lh]TR[lg]TR[kg]TR[mg]TR[mf]TR[lf]))
(;W[mh];B[lh];W[me];B[lg];W[jg]
(;B[ne];W[oe];B[od]C[White is dead.RIGHT]TR[oe]TR[me]TR[le]TR[ld]TR[kd]TR[md]TR[mc]TR[nd])
(;B[ih];W[id]C[Nice tesuji. But capturing at O15 would have been simpler.];B[ie];W[he];B[if];W[ig];B[hf];W[li];B[kh]C[RIGHT])))
(;B[if];W[jg];B[mg];W[mh];B[lh];W[me];B[lg];W[li];B[kh];W[jh]TR[kh]TR[lh]TR[lg]TR[kg]TR[lf]TR[mf]TR[mg]C[Black is in trouble.]))
(;W[mg];B[jf];W[li]C[This is the correct way for white to play.RIGHT]))
(;B[jf];W[kg]C[Very hard to attack white now.]))