75s vs 54s: preflop equity

Over all 1,712,304 boards that can follow this deal, 75s finishes with 63.00% of the pot and 54s with 37.00%.

75s

63.00%

Wins 54.25%, ties 17.49%

54s

37.00%

Wins 28.26%, ties 17.49%

Equity counts a tie as half a win. Exact over every board.

75s against 54s: the numbers

Exact preflop results for 75s against 54s, in percent
HandWinsTiesLosesEquity
75s54.25317.49328.25463.000
54s28.25417.49354.25337.000

Both hands are suited hands: 75s and 54s. Because the hands share one rank, the one with the higher kicker is ahead when that rank pairs and the other hand is mostly drawing.

A 26.00 point lead is real, and 54s still takes about 283 of every 1,000 deals outright. Split pots make up 17.49% of the boards, and both equity figures count them as half a win each.

Among the 169 starting hands, 75s is number 124 and 54s is number 136 by strength against a random hand.

Boards behind the percentages: 20,547,648 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
75s11,148,0003,594,0005,806,000
54s5,806,0003,594,00011,148,000

Exact total: 12 deals times 1,712,304 boards. The other three counts come from the five-decimal percentages and are rounded to the nearest thousand, so read them as approximate.

75s against 54s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
75s1.7031.8433.5390.587
54s0.5873.5391.8431.703

In the last column, a pot-to-call ratio at or above the figure makes a call break even or better at this equity.

Who is ahead on which flops

Across the five flop textures 75s' equity moves by 6.17 points, from 58.73% on monotone flops to 64.90% on rainbow flops topped by a ten or better. 75s stays ahead on all five textures.

75s against 54s by flop texture, in percent
FlopShare of flops75s winsTies54s wins75s equity
Rainbow, ten or higher25.84456.05317.70226.24564.904
Rainbow, nine or lower5.06556.24411.50032.25661.994
Two-tone46.54354.96615.03729.99762.485
Monotone5.21551.43814.58733.97558.732
Paired17.33349.92126.40023.67963.121

Flop types: rainbow means three different suits, two-tone means one suit twice, monotone means one suit three times, paired means a repeated rank.

Compared with a random hand

How much does the opponent matter? Compared with its random-hand 43.68%, 75s changes by +19.32 points, and 54s, from 41.45%, by -4.45.

75s and 54s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
75s, all flops63.00043.676+19.3241.44244
75s, rainbow, ten or higher64.90443.676+21.2281.48603
75s, rainbow, nine or lower61.99443.676+18.3181.41941
75s, two-tone62.48543.676+18.8091.43065
75s, monotone58.73243.676+15.0561.34472
75s, paired63.12143.676+19.4451.44521
54s, all flops37.00041.453-4.4530.89258
54s, rainbow, ten or higher35.09641.453-6.3570.84665
54s, rainbow, nine or lower38.00641.453-3.4470.91685
54s, two-tone37.51541.453-3.9380.90500
54s, monotone41.26841.453-0.1850.99554
54s, paired36.87941.453-4.5740.88966

Does a shared suit matter?

For this pair the shared-suit row is empty: the two hands cannot both own a card of one suit without reusing a card.

75s against 54s by suit overlap, in percent
DealsSpecific dealsShare of deals75s winsTies54s wins75s equity
Share a suit00.00not possiblenot possiblenot possiblenot possible
No shared suit12100.0054.25317.49328.25463.000

How often this matchup comes up

How often does it happen? 12 of the 1,624,350 ordered deals (0.0007%) are 75s against 54s, and 24 (0.0015%) if either hand may sit in either seat.

A worked example

Put $100 each into a $200 pot and deal every board once: 75s averages $126.00 back, ahead of its $100 by $26.00, while 54s averages $74.00, short of its $100 by $26.00.

Run 1,000 deals and the tally comes out near 542 for 75s, 283 for 54s and 175 ties.

The same matchup from the other side

54s versus 75s is this same page seen from the other hand: 37.00% for 54s, 63.00% for 75s.

The calculator link fills in 7s5s against 5h4h, a deal where the two hands share no suit. Change any card to test your own hand. The neighboring matchups below swap one of the two hands for one of similar strength.

How this was computed

Method: exact enumeration. The 12 specific deals are grouped by suit pattern, each is run against all 1,712,304 boards, and both seven-card hands are scored. Equity adds half of every tie, and flop textures are tallied over the ten flops inside each board.

Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used.

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