99 vs 43s: preflop equity

Over all 1,712,304 boards that can follow this deal, 99 finishes with 79.83% of the pot and 43s with 20.17%.

99

79.83%

Wins 79.48%, ties 0.71%

43s

20.17%

Wins 19.81%, ties 0.71%

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

99 against 43s: the numbers

Exact preflop results for 99 against 43s, in percent
HandWinsTiesLosesEquity
9979.4760.71119.81379.831
43s19.8130.71179.47620.169

We compare a pocket pair with a suited hand. The pair outranks both of the other hand's cards, which is why the pair is a strong favorite.

That is a clear edge, 79.83% to 20.17%, but 43s still wins often enough that one hand proves nothing. Ties are 0.71% of the outcomes here; each tied board gives both hands half the pot.

Ranked by equity against a random hand, 99 is number 6 of the 169 starting hands and 43s is number 150.

Boards behind the percentages: 41,095,296 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
9932,661,000292,0008,142,000
43s8,142,000292,00032,661,000

24 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.

99 against 43s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
993.9581.2585.0470.253
43s0.2535.0471.2583.958

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

Split by what the flop looks like, 99 peaks at 83.75% on rainbow flops topped by a ten or better and bottoms out at 71.03% on low rainbow flops (nine high or lower). 99 stays ahead on all five textures.

99 against 43s by flop texture, in percent
FlopShare of flops99 winsTies43s wins99 equity
Rainbow, ten or higher25.84483.5530.39816.04983.752
Rainbow, nine or lower5.06570.5830.88728.53071.026
Two-tone46.54577.8780.44921.67378.102
Monotone5.21273.1722.64424.18474.494
Paired17.33482.1831.25016.56782.808

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

A random hand would give 99 72.06% and 43s 38.64%. Against each other the change is +7.77 points for 99 and -18.47 for 43s.

99 and 43s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
99, all flops79.83172.057+7.7741.10789
99, rainbow, ten or higher83.75272.057+11.6951.16230
99, rainbow, nine or lower71.02672.057-1.0310.98569
99, two-tone78.10272.057+6.0451.08389
99, monotone74.49472.057+2.4371.03382
99, paired82.80872.057+10.7511.14920
43s, all flops20.16938.642-18.4730.52195
43s, rainbow, ten or higher16.24838.642-22.3940.42048
43s, rainbow, nine or lower28.97438.642-9.6680.74981
43s, two-tone21.89838.642-16.7440.56669
43s, monotone25.50638.642-13.1360.66006
43s, paired17.19238.642-21.4500.44490

Does a shared suit matter?

Suit overlap shows up in the numbers. With a suit in common 99 has 80.42% equity, and with none in common it has 79.24%. 99 does better with a shared suit, by 1.18 points.

99 against 43s by suit overlap, in percent
DealsSpecific dealsShare of deals99 winsTies43s wins99 equity
Share a suit1250.0080.0450.75219.20380.421
No shared suit1250.0078.9060.67120.42379.242

How often this matchup comes up

This page stands for 24 specific-card matchups (0.0015% of 1,624,350 ordered deals), or 48 once you count the seats both ways (0.0030%).

A worked example

Put $100 each into a $200 pot and deal every board once: 99 averages $159.66 back, ahead of its $100 by $59.66, while 43s averages $40.34, short of its $100 by $59.66.

Per 1,000 deals: 99 wins about 795, 43s wins about 198, and about 7 end in a split pot.

The same matchup from the other side

The reversed view, 43s against 99, shows 20.17% for 43s and 79.83% for 99. It is the same count, so it redirects here.

9s9h against 4d3d is a ready-made deal for the calculator, with no suit in common between the hands. The neighboring matchups below replace one hand with another of similar strength.

How this was computed

The figures are counted, not estimated: 1,712,304 boards for every suit pattern of the 24 specific deals, with both seven-card hands compared each time. Equity gives half a win for a tie. For the flop rows, a board is counted once under each of the ten flops inside it.

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

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