Chess Puzzles

Nominations of Team4545League  Fishers of Men games are welcome.
Please suggest which move in the game would be the winning move. 
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#91 OGO - Mansour1985 T45 round 2 (U1400)
Position after:

#90 RD1974 - UnderRated T43 playoff 2 (U1800)
Position after:

#89 SneakyRed - chess92192 T43 playoff 1 (U1800)
Position after:

#88 KidRattler - bowwrestler T43 round 5 (U1200)
Position after:

#87 OGO - g8wrb T43 Round 5 (U1600)
Position After:

#86 clarinetref - Rookmaster T43 Round 5 (U1600)
Position After:

#85 dondel - Aquaman T43 Round 5 (U1600)
Position After:

White to play the winning move.
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PLAY through the game at the T4545L Game Forum.
Or when logged-in to ICC type the command: Examine #1477429752 

#84 hewdondada - avila T43 Round 4 (U1800)
Position After:

#83 RD1974 - achessfool T43 Round 4 (U1600)
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#82 AntMantis - kidviper T43 Round 3 (U1600)
Position after:

Black to play the winning move.

#81 MateIn42 - werty T43 Round 2 (U1200)
Position after:

#80 OGO - TheronUAL T43 Round 2 (U1600)
Position after: