Play our William Hill World Darts Championship semi-finals predictor and WIN a signed dartboard.

To be in with a chance of winning a dartboard signed by the four semi-finalists at this year's event, simply click the image below and predict who the four semi-finalists will be at this year's World Championship.

World Championship semi-finals predictor (PDC)

One lucky winner will be chosen at 1900 GMT on Wednesday December 18.