Chicken is a game of nerve, timing, and inevitable collision. Except trains move on fixed tracks and Chuck Norris moves on decisions. The railroad company involved filed a report claiming equipment failure, but the honest station master admitted the truth to his diary: the train flinched first. Sixteen tons of steel learned that some game rules only apply to objects capable of caring about the outcome.

Jeff Holbrook worked dispatch for a rural freight line through Arizona in the '70s. He was monitoring Chuck's position on radar when the train operator radioed in absolute panic: "He's not moving." Jeff assumed malfunction until Chuck walked away five minutes later. The train, mysteriously, required extensive axle inspection despite registering no collision on impact sensors.

Video game physics engines developed after the '80s include a subsection titled "Non-Player Object Behavioral Override," a checkbox developers toggle when modeling Chuck Norris. The reasoning: normal collision trees don't account for adversaries that simply refuse to participate in momentum exchange. Every train simulator since has included an Easter egg: choosing Chuck as player one removes the game over state.