QQ vs T8s: preflop equity

Before any board card is dealt, QQ holds 80.43% equity against T8s, which leaves T8s with 19.57%.

QQ

80.43%

Wins 80.24%, ties 0.38%

T8s

19.57%

Wins 19.38%, ties 0.38%

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

QQ against T8s: the numbers

Exact preflop results for QQ against T8s, in percent
HandWinsTiesLosesEquity
QQ80.2350.38019.38580.425
T8s19.3850.38080.23519.575

QQ, a pocket pair, plays T8s, a suited hand. A pair against two lower cards is a lopsided matchup: the pair is ahead and the other hand has no overcard to catch.

That is a heavy lead: T8s needs the board to help it on most runouts and still falls behind far more often than not. Of every 100 boards, about 0.38 are split pots, and the equity figures already include them.

Place 3 of 169 belongs to QQ and place 73 belongs to T8s in the ranking against a random hand.

Boards behind the percentages: 41,095,296 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
QQ32,973,000156,0007,966,000
T8s7,966,000156,00032,973,000

Exact total: 24 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.

QQ against T8s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
QQ4.1091.2465.1590.243
T8s0.2435.1591.2464.109

The last column is the break-even price: the pot odds a call needs to offer, as a ratio of pot to call.

Who is ahead on which flops

Split by what the flop looks like, QQ peaks at 84.14% on paired flops and bottoms out at 74.73% on monotone flops. QQ stays ahead on all five textures.

QQ against T8s by flop texture, in percent
FlopShare of flopsQQ winsTiesT8s winsQQ equity
Rainbow, ten or higher23.86782.8500.17716.97382.938
Rainbow, nine or lower7.04279.0180.73020.25279.383
Two-tone46.54578.4100.28121.30978.550
Monotone5.21273.5332.38424.08374.725
Paired17.33484.0460.17715.77784.135

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 79.93%, QQ changes by +0.50 points, and T8s, from 52.33%, by -32.76.

QQ and T8s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
QQ, all flops80.42579.925+0.5001.00626
QQ, rainbow, ten or higher82.93879.925+3.0131.03770
QQ, rainbow, nine or lower79.38379.925-0.5420.99322
QQ, two-tone78.55079.925-1.3750.98280
QQ, monotone74.72579.925-5.2000.93494
QQ, paired84.13579.925+4.2101.05267
T8s, all flops19.57552.334-32.7590.37404
T8s, rainbow, ten or higher17.06252.334-35.2720.32602
T8s, rainbow, nine or lower20.61752.334-31.7170.39395
T8s, two-tone21.45052.334-30.8840.40987
T8s, monotone25.27552.334-27.0590.48296
T8s, paired15.86552.334-36.4690.30315

Does a shared suit matter?

Two kinds of deal exist here. In 12 of them the hands share a suit and QQ holds 81.00%. In 12 they do not, and it holds 79.85%. QQ does better with a shared suit, by 1.15 points.

QQ against T8s by suit overlap, in percent
DealsSpecific dealsShare of dealsQQ winsTiesT8s winsQQ equity
Share a suit1250.0080.7890.42118.79080.999
No shared suit1250.0079.6810.33919.98079.851

How often this matchup comes up

How often does it happen? 24 of the 1,624,350 ordered deals (0.0015%) are QQ against T8s, and 48 (0.0030%) if either hand may sit in either seat.

A worked example

Put $100 each into a $200 pot and deal every board once: QQ averages $160.86 back, ahead of its $100 by $60.86, while T8s averages $39.14, short of its $100 by $60.86.

Run 1,000 deals and the tally comes out near 802 for QQ, 194 for T8s and 4 ties.

The same matchup from the other side

The mirror image, T8s against QQ, is 19.57% to 80.43%, and its address redirects to this page.

QsQh against Td8d 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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