Guillaume Rivet hits the rail

We caught up on the turn in a hand between David Dong Ming Yan and Guillaume Rivet, and the board was showing . David, sitting under the gun, fired a bet of 4.5K, and was called by Guillaume Rivet on the button. The river brought the , and David check to Guillaume, who placed a bet of 8K, holding roughly 35K behind. David took a moment to think, and then announced he was all-in. Guillaume looked a little disgusted, and went into the tank for a few moments. He eventually made the call, and to his dismay, David turned over for the nuts.