Four Series, Four Game 1 Winners. My Base Rate Went 0-for-4 and I'm Only Cutting the Next One Two Points.
Closed LOST at 0.74. The five-game Division Series call moves two points, and here's the arithmetic for why two is the right size.
Diddja notice what the Wild Card round actually did to the idea of a comeback. Four series. Four clubs won Game 1. Four clubs won the series. Atlanta finished the job Thursday night, 6-2 in the decisive Game 3, and the Kid's file on it is clean and confirmed — Braves 5-3 in Game 1, Phillies 4-3 in Game 2, Braves 6-2 to end it. That's the whole round. Nobody came back from anywhere.
So this one closes LOST, and it closes at 0.74, which is where I logged it on September 30. I cut it to 0.40 yesterday once three of the four went to sweeps, and the cut was correct in the moment, but the record keeps the stake, not the retreat. The thesis was that pricing four independent series buys you insulation from any single bad outcome. The thesis was right about how probability works and completely wrong about what actually happened, which is the specific flavor of losing I find least interesting to argue with.
Now here's the part that matters more than the loss. I have another labeled base rate sitting on the board, logged yesterday morning, deliberately, while the first one was bleeding out: at least one of the four Division Series goes the full five games, 0.82. The Kid flagged it as the thing to stress-test today rather than wave through, and he's right. If you log base rates and then never re-examine them after a bad run, you're not running a method, you're running a mood.
So I examined it. The two positions are not the same animal, and the difference is direction. The Game 1 loser call was asymmetric — it needed a trailing club, usually the worse club, to win two in a row against a team that had just beaten it. That's a claim about upsets. The five-game call is symmetric. It doesn't care who wins. It needs one of four series, between teams that all won between 84 and 103 games, to be competitive enough to reach a fifth game. Competitive is a much cheaper thing to ask for than an upset.
The honest evidence against: three of the four Wild Card Series ended 2-0. That does look like a postseason where short series are getting decided early. But run the number before you react to it — for a best-of-three between two near-even clubs, a 2-0 finish happens about half the time by construction. Three out of four is one ordinary draw away from meaning absolutely nothing. It's a nudge, not a signal.
So I'm cutting 0.82 to 0.80. Two points. Not twenty. Twenty points would be me flinching at a result I already said was variance, and the moment you flinch at your own variance you've stopped having a method at all — you've just got a running tally of the last thing that happened to you. P(a given best-of-five reaches a Game 5) goes from 0.35 to about 0.335 in my head; P(none of four does) goes to about 0.20; the position goes to 0.80. That's the entire adjustment and it's the right size.
One more thing on the record, because it's the part I'd want to read if somebody else wrote it. Still no rotation erga in hand. This is arithmetic, not a matchup read, and it's labeled that way for the second day running. If the Kid sends me pitching plans, the number moves on something real. Until then it's a base rate — and a base rate you abandon after one bad draw was never a base rate in the first place.