SaberSim's stacking rules let you create rules for the builder to follow forcing or avoiding certain combinations of players playing in the same game or on the same team. There's two types of stacking rules, basic stacking rules and advanced stacking rules. Basic stacking rules will let you set broad rules that force or limit a certain number of players playing from the same game or on the same team. In the case of hockey, you can also set rules to force for the same even strength or power play lines.
For example, a very common rule would be to set something like at least three players from the same team for football selecting between the eligible teams and eligible positions that you can use for the rule. Advanced stacking rules are best for people that want an extra level of control over their stacking rules. Exactly what advanced stacking rules looks like changes a little bit sport to sport. But for example, for football, you can go in and select the exact positions that you want to use, for example, one quarterback more than or equal to two wide receivers from a certain team and the exact positions that you want on the run back team. So maybe you want always exactly one wide receiver on the other side. You can also here set the eligible teams that this rule corresponds to.
Now, if you're used to creating stacking rules on other optimizers, you'll probably need to make a lot less with SaberSim. Because SaberSim simulates these games play by play, we know exactly what players are correlated to one another and by how much. Our back testing of our correlation slider also tells us how much to value correlation for different sports, slates and contest types. You'll generally get good stacks for the sport and slate you're playing without setting a single stacking rule. If you want, you can still fine tune and adjust your stack exposures after the build has been created.
With all of that said, if you know you want a certain type of construction in a hundred percent of your lineups, you should let us know beforehand so that you can build a better lineup pool for what you're trying to do on that slate. When you're going to build stacking rules, the best advice I can give is do so in a way that is flexible. Instead of using a lot of advanced stacking rules that say exactly this many of this position, and exactly this many of this position, make use of the more than are equal to, less than are equal to, and other rules here so that you can allow SaberSim to still have some flexibility in your build, giving the simulations and correlation data more room to work. If you're interested in learning more about the rest of the lineup building process on SaberSim, check out our other videos in our support documentation. Thanks and good luck.