Boris Katchouk scored in the ninth round of the shootout to as the Chicago Blackhawks handed the San Jose Sharks a 2-1 loss at United Center in a game between the NHL’s 31st and 32nd-place teams. After several failed shootout tries at both ends, Katchouk beat Sharks goalie Mackenzie Blackwood with his attempt, and Filip Zadina couldn’t solve Petr Mrazek at the other end, as the Sharks suffered their third straight loss and finished the road trip with a 1-3-1 record. Ryan Carpenter’s second of the season at the 5:13 mark of the third period to tie the game 1-1. Matt Hoffman shot the puck around…