[topspin]

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Is there any equity in and OESFD? Not trying to argue, just would like to know.

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Nope. Any 7 is way ahead.

Holdem Hi: 500000 sampled boards containing Td 7d Qh 7h
cards win %win lose %lose tie %tie EV
9d 8d 147735 29.55 352265 70.45 0 0.00 0.295
Ac 7c 352265 70.45 147735 29.55 0 0.00 0.705

Even if we're up against top pair on an unpaired board, trying to force out CO is bad poker:

Holdem Hi: 500000 sampled boards containing 3c Td 7d Qh
cards win %win lose %lose tie %tie EV
9d 8d 170426 34.09 329574 65.91 0 0.00 0.341
Ac Qc 329574 65.91 170426 34.09 0 0.00 0.659