In looking at my 132 blade data so far, I did a "what if" and re-ranked each blade with 4 shaves as the max as a rule. So, 4 shaves is rated as a 10 score, 3 as an 8, 2 as a score of 4, and 1 as a score of 2. Results are below. What surprised me is that some of the blades moved as many as 6 places in how they were ranked but the top 6 were still the top 6 (with 1 exception) and the bottom 6 were still the bottom 6. Almost all of the significant "jockeying for position, was in the middle, in the population of "average" blades. The Dorco ST-300 had a big drop but the ST-301 didn't, highlighting how different the same brand and blade can be at times. The only change of note was the Crown Super Stainless which moved down 4 places to #8, in effect penalizing the blade because it was not able to provide the longevity score it did in the previous ranking. It was replaced by the Asco Platinum which moved up 4 places.
Still, blades are cheap and this is an argument to choose what works for you and dispose of a blade after a set number of shaves without worrying about what utility you are losing. I see a number of people on B&B who simply state it's X shaves and out, without reservation. Some use a new blade every day. I used to use a blade 4 times and will likely go back to that once I establish my new stable of blades at the end of the test. It's always YMMV but the data makes those of us who are trying to max out blades ask why, especially since the goal is a good shave, not an old blade.
Still, blades are cheap and this is an argument to choose what works for you and dispose of a blade after a set number of shaves without worrying about what utility you are losing. I see a number of people on B&B who simply state it's X shaves and out, without reservation. Some use a new blade every day. I used to use a blade 4 times and will likely go back to that once I establish my new stable of blades at the end of the test. It's always YMMV but the data makes those of us who are trying to max out blades ask why, especially since the goal is a good shave, not an old blade.