75s vs 43s: preflop equity

Averaged over every possible board, 75s is ahead of 43s by 24.68 points of equity, 62.34% to 37.66%.

75s

62.34%

Wins 58.68%, ties 7.32%

43s

37.66%

Wins 34.00%, ties 7.32%

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

75s against 43s: the numbers

Exact preflop results for 75s against 43s, in percent
HandWinsTiesLosesEquity
75s58.6777.32433.99962.339
43s33.9997.32458.67737.661

Two suited hands meet here: 75s against 43s. The two hands share no rank, which makes this a pure matchup of card strength, straight chances and flush chances.

75s is ahead, but 43s is far from dead: it takes 340 of every 1,000 deals outright. A split pot comes up on 7.32% of boards, so the wins and the equity differ by half of that.

Place 124 of 169 belongs to 75s and place 150 belongs to 43s in the ranking against a random hand.

Boards behind the percentages: 27,396,864 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
75s16,076,0002,007,0009,315,000
43s9,315,0002,007,00016,076,000

16 specific deals times 1,712,304 boards gives the exact total. The won, tied and lost counts are approximations from the five-decimal percentages, rounded to the nearest thousand.

75s against 43s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
75s1.6551.7042.9410.604
43s0.6042.9411.7041.655

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

If you know the kind of flop that came, the numbers shift: 75s holds 64.22% on low rainbow flops (nine high or lower) and 60.33% on monotone flops. 75s stays ahead on all five textures.

75s against 43s by flop texture, in percent
FlopShare of flops75s winsTies43s wins75s equity
Rainbow, ten or higher25.84459.7277.07733.19663.265
Rainbow, nine or lower5.06563.7111.02535.26464.223
Two-tone46.72759.7465.33134.92362.412
Monotone5.27356.8336.99836.16960.332
Paired17.09153.24315.11531.64260.800

Rainbow flops have three suits, two-tone flops repeat one suit, monotone flops are all one suit, and paired flops repeat a rank.

Compared with a random hand

How much does the opponent matter? Compared with its random-hand 43.68%, 75s changes by +18.66 points, and 43s, from 38.64%, by -0.98.

75s and 43s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
75s, all flops62.33943.676+18.6631.42731
75s, rainbow, ten or higher63.26543.676+19.5891.44851
75s, rainbow, nine or lower64.22343.676+20.5471.47044
75s, two-tone62.41243.676+18.7361.42898
75s, monotone60.33243.676+16.6561.38135
75s, paired60.80043.676+17.1241.39207
43s, all flops37.66138.642-0.9810.97461
43s, rainbow, ten or higher36.73538.642-1.9070.95065
43s, rainbow, nine or lower35.77738.642-2.8650.92586
43s, two-tone37.58838.642-1.0540.97272
43s, monotone39.66838.642+1.0261.02655
43s, paired39.20038.642+0.5581.01444

Does a shared suit matter?

The suit split reads 64.76% for 75s with a shared suit and 61.53% without one. 75s does better with a shared suit, by 3.23 points.

75s against 43s by suit overlap, in percent
DealsSpecific dealsShare of deals75s winsTies43s wins75s equity
Share a suit425.0060.8287.86831.30464.762
No shared suit1275.0057.9607.14334.89761.531

How often this matchup comes up

Exactly 16 specific deals fit this matchup in one seat order, which is 0.0010% of 1,624,350; both orders together give 32, or 0.0020%.

A worked example

Take a $200 pot built from $100 each. 75s' equity of 62.34% is worth $124.68, a $24.68 edge, and 43s' 37.66% is worth $75.32, which is $24.68 under its stake.

Think in thousands: about 587 of 1,000 go to 75s, about 340 go to 43s, and about 73 are chopped.

The same matchup from the other side

The reversed view, 43s against 75s, shows 37.66% for 43s and 62.34% for 75s. It is the same count, so it redirects here.

Try 7s5s against 4h3h in the calculator: the hands share no suit, and every card can be changed. The links after it are the closest matchups in the ranking.

How this was computed

This is an exact count with no sampling. For the 16 ways to deal one 75s and one 43s without reusing a card, grouped by suit pattern, every one of the 1,712,304 possible boards is dealt and both seven-card hands are compared. A tie counts as half a win in the equity column, and each board is counted once under each of its ten three-card flops.

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

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