Lookup help using INDIRECT

Help me with the example workbook. The formulas in Scorecard!B3:C5 do what I want them to do but are cumbersome when the lookup rows change. I want to reference the lookup rows.

I want to go from this (Scorecard!B3): =INDIRECT($A$17&B$19&$B20)

To something like this (Scorecard!D3): =INDIRECT($A$17&D$19&"$F"&F3)


How can this be done?

Thanks,
Jim