You need 4 Tricks
Small to J and small to K compared to small to 9:
1) Small to 9 better if:
xx-ATxx 9,69
Ax-Txxx 6,46
Axxx-Tx 6,46
22,61
2) Small to J better if:
Tx-Axxx 6,46
Txx-Axx 10,66
ATx-xxx 7,11
24,23
=> small to J....but suitplay says small to 9
...what am I missing?