Finned X-Wing
AdvancedUsed at: Expert
A regular X-Wing pattern with one extra candidate (the fin). Reasoning proceeds by analyzing whether the fin is valid.
Finned X-Wing — Explained
A Finned X-Wing is an X-Wing with one extra candidate (the fin). By analyzing whether the fin is valid, you can find candidates eliminated in either case.
When to Use
When X-Wing is almost complete with one extra candidate. For experienced players.
Common Mistakes
Treating it as a regular X-Wing and eliminating too broadly. The fin restricts elimination range.
Tips
If you see an X-Wing with 'one extra candidate', it's Finned X-Wing. Elimination range is narrower.
Finned X-Wing Steps
Find near X-Wing
Find an X-Wing with one extra candidate (the fin).
Analyze fin
If fin is true, X-Wing breaks. If false, X-Wing holds. Either way, some eliminations work.
Apply common eliminations
Find candidates eliminated in both fin-true and fin-false cases.