44 vs 86s: preflop equity

In equity, 86s against 44 stands at 50.23% to 49.77%, a gap of 0.46 points.

44

49.77%

Wins 48.96%, ties 1.61%

86s

50.23%

Wins 49.43%, ties 1.61%

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

44 against 86s: the numbers

Exact preflop results for 44 against 86s, in percent
HandWinsTiesLosesEquity
4448.9631.61149.42649.768
86s49.4261.61148.96350.232

44 and 86s are a pocket pair and a suited hand, in that order. One hand holds a pair and the other holds two cards that both outrank it, which keeps the equity closer than most people expect.

That is a slim edge: neither hand is far ahead. Ties are 1.61% of the outcomes here; each tied board gives both hands half the pot.

44 ranks number 48 of 169 starting hands, and 86s ranks number 110, by equity against a random hand.

Boards behind the percentages: 41,095,296 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
4420,121,000662,00020,312,000
86s20,312,000662,00020,121,000

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.

44 against 86s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
440.9912.0422.0231.009
86s1.0092.0232.0420.991

The final column gives the least the pot must offer for each unit called for a call to break even at this equity.

Who is ahead on which flops

If you know the kind of flop that came, the numbers shift: 86s holds 57.96% on low rainbow flops (nine high or lower) and 46.24% on paired flops. On rainbow flops topped by a ten or better and paired flops the numbers flip and 44 is the one ahead.

44 against 86s by flop texture, in percent
FlopShare of flops44 winsTies86s wins44 equity
Rainbow, ten or higher25.84451.2070.95347.84051.684
Rainbow, nine or lower5.06541.7190.64557.63642.041
Two-tone46.54547.6540.85851.48848.083
Monotone5.21247.9123.25648.83249.540
Paired17.33451.5644.40244.03453.765

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 44 57.02% and 86s 46.24%. Against each other the change is -7.25 points for 44 and +3.99 for 86s.

44 and 86s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
44, all flops49.76857.023-7.2550.87277
44, rainbow, ten or higher51.68457.023-5.3390.90637
44, rainbow, nine or lower42.04157.023-14.9820.73726
44, two-tone48.08357.023-8.9400.84322
44, monotone49.54057.023-7.4830.86877
44, paired53.76557.023-3.2580.94287
86s, all flops50.23246.243+3.9891.08626
86s, rainbow, ten or higher48.31646.243+2.0731.04483
86s, rainbow, nine or lower57.95946.243+11.7161.25336
86s, two-tone51.91746.243+5.6741.12270
86s, monotone50.46046.243+4.2171.09119
86s, paired46.23546.243-0.0080.99983

Does a shared suit matter?

The suit split reads 50.10% for 86s with a shared suit and 50.36% without one. 86s does better with no shared suit, by 0.26 points.

44 against 86s by suit overlap, in percent
DealsSpecific dealsShare of deals44 winsTies86s wins44 equity
Share a suit1250.0049.0771.64549.27849.900
No shared suit1250.0048.8491.57749.57449.637

How often this matchup comes up

Exactly 24 specific deals fit this matchup in one seat order, which is 0.0015% of 1,624,350; both orders together give 48, or 0.0030%.

A worked example

Try it with money: two players each put in $100 and the whole board runs out every possible way. 86s averages $100.46 from the $200, up $0.46; 44 averages $99.54, down $0.46.

Run 1,000 deals and the tally comes out near 494 for 86s, 490 for 44 and 16 ties.

The same matchup from the other side

86s versus 44 is this same page seen from the other hand: 50.23% for 86s, 49.77% for 44.

Open the calculator with 4s4h against 8d6d already entered, a deal with no shared suit, and change any card to try your own hand. The matchups after it each swap one hand for a nearby one in the ranking.

How this was computed

This is an exact count with no sampling. For the 24 ways to deal one 44 and one 86s 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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