Build a realistic veto first
Start with the format and the teams' usual bans. Work through the likely picks and the remaining decider instead of comparing every map as if it had an equal chance of being played. If the veto is not confirmed, keep more than one plausible path in the analysis.
Separate a comfortable pick from a narrow statistical lead. A strong win rate over a small number of matches may say less than a larger sample against stronger opposition. Changes in the active map pool can also make older results less useful.
Check what sits behind the results
Opponent quality, the age of the matches and whether they were played online or on LAN all provide context. A close loss against a strong opponent can reveal more than a comfortable win against a much weaker side.
I look for patterns across both sides of the map: how a team creates opening opportunities, whether it converts advantages, and how often it needs an individual player to rescue a round. The scoreboard is useful, but it does not explain every decision that produced it.
Treat roster changes as a fresh question
A stand-in or a role change can affect communication, the calling structure and where players take responsibility. It is not enough to swap one individual rating into an otherwise unchanged team model.
Check whether the available sample actually includes the current lineup. If it does not, I reduce the weight I give to old map percentages and make the uncertainty explicit. New information should be able to change the read.
Keep map and series predictions separate
A team can have the clearest edge on its own pick and still face a difficult series. The opponent's pick and the decider have to be assessed separately. A series score needs more assumptions than simply choosing the eventual winner.
For a hypothetical example, suppose Team A has a strong first pick while Team B has the more comfortable decider. Team A may have an attractive opening matchup without being the clear series favourite. That conclusion changes if the veto removes its preferred pick or gives it an unexpectedly favourable decider.
Write down what would change your view
Before the match, identify the key assumptions: the expected veto, the lineup and the kind of rounds each side needs. After the match, review those assumptions as well as the final result. A correct winner can come from a poor read, and a reasonable read can still lose.
Current CS2 predictions, map discussion and results are shared through the DeadShadow community. Use fresh match information for a current fixture; this page is an explanation of the process.