--- title: "66 vs KQo: preflop equity" url: "https://georgelipoker.com/equity/66-vs-kqo.md" canonical_url: "https://georgelipoker.com/equity/66-vs-kqo" last_updated: "2026-10-23" type: "reference" summary: "Who is ahead, 66 or KQo? 66 leads 53.48% to 46.52% before the flop, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/66-vs-a7s.md", "https://georgelipoker.com/equity/66-vs-a9o.md", "https://georgelipoker.com/equity/a9s-vs-kqo.md"] --- # 66 vs KQo: preflop equity Who is ahead, 66 or KQo? 66 leads 53.48% to 46.52% before the flop, counted exactly over every board, with the split by flop type and suit. If 66 and KQo get all the chips in before the flop, 66 owns 53.48% of the pot in the long run and KQo owns 46.52%. ## 66 against KQo: the numbers **Exact preflop results for 66 against KQo, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | 66 | 53.255 | 0.444 | 46.301 | 53.477 | | KQo | 46.301 | 0.444 | 53.255 | 46.523 | 66 and KQo are a pocket pair and an offsuit 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. With only 6.96 points between them, the board decides this matchup far more than the cards in hand. 0.44% of boards are ties, so the equity of each hand is its win rate plus half of that. Ranked by equity against a random hand, 66 is number 17 of the 169 starting hands and KQo is number 23. **Boards behind the percentages: 123,285,888 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | 66 | 65,656,000 | 547,000 | 57,083,000 | | KQo | 57,083,000 | 547,000 | 65,656,000 | The board total is exact, 72 deals at 1,712,304 boards each. Won, tied and lost counts are rounded to the nearest thousand from the five-decimal percentages. **66 against KQo read as odds** | Hand | Equity as odds (to 1) | Wins one deal in | Loses one deal in | Pot odds needed to call (to 1) | | --- | --- | --- | --- | --- | | 66 | 1.149 | 1.878 | 2.160 | 0.870 | | KQo | 0.870 | 2.160 | 1.878 | 1.149 | 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 Across the five flop textures 66's equity moves by 35.36 points, from 45.80% on rainbow flops topped by a ten or better to 81.16% on low rainbow flops (nine high or lower). 66 is the favorite overall but falls behind on rainbow flops topped by a ten or better. **66 against KQo by flop texture, in percent** | Flop | Share of flops | 66 wins | Ties | KQo wins | 66 equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 24.717 | 45.714 | 0.176 | 54.110 | 45.802 | | Rainbow, nine or lower | 6.314 | 80.770 | 0.782 | 18.448 | 81.161 | | Two-tone | 46.485 | 52.564 | 0.289 | 47.147 | 52.709 | | Monotone | 5.151 | 49.592 | 1.753 | 48.655 | 50.468 | | Paired | 17.333 | 56.928 | 0.729 | 42.343 | 57.292 | A rainbow flop shows three suits, a two-tone flop repeats one suit, a monotone flop is a single suit, and a paired flop repeats a rank. ## Compared with a random hand Compared with a random opponent, this matchup shifts 66 from 63.29% by -9.81 points and KQo from 61.46% by -14.94 points. **66 and KQo here compared with each against a random hand, in percent** | Case | Equity here | Against a random hand | Change in points | Times the random-hand equity | | --- | --- | --- | --- | --- | | 66, all flops | 53.477 | 63.285 | -9.808 | 0.84502 | | 66, rainbow, ten or higher | 45.802 | 63.285 | -17.483 | 0.72374 | | 66, rainbow, nine or lower | 81.161 | 63.285 | +17.876 | 1.28247 | | 66, two-tone | 52.709 | 63.285 | -10.576 | 0.83288 | | 66, monotone | 50.468 | 63.285 | -12.817 | 0.79747 | | 66, paired | 57.292 | 63.285 | -5.993 | 0.90530 | | KQo, all flops | 46.523 | 61.456 | -14.933 | 0.75701 | | KQo, rainbow, ten or higher | 54.198 | 61.456 | -7.258 | 0.88190 | | KQo, rainbow, nine or lower | 18.839 | 61.456 | -42.617 | 0.30654 | | KQo, two-tone | 47.291 | 61.456 | -14.165 | 0.76951 | | KQo, monotone | 49.532 | 61.456 | -11.924 | 0.80598 | | KQo, paired | 42.708 | 61.456 | -18.748 | 0.69494 | ## Does a shared suit matter? Split by suits, the deals give 66 53.39% when the hands overlap in a suit and 53.90% when they do not. 66 does better with no shared suit, by 0.51 points. **66 against KQo by suit overlap, in percent** | Deals | Specific deals | Share of deals | 66 wins | Ties | KQo wins | 66 equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 60 | 83.33 | 53.163 | 0.460 | 46.377 | 53.393 | | No shared suit | 12 | 16.67 | 53.714 | 0.367 | 45.919 | 53.897 | ## How often this matchup comes up Counting specific cards, 66 against KQo appears in 72 of the 1,624,350 ordered heads-up deals (0.0044%), and in 144 when the seats are swapped too (0.0089%). ## A worked example Take a $200 pot built from $100 each. 66's equity of 53.48% is worth $106.96, a $6.96 edge, and KQo's 46.52% is worth $93.04, which is $6.96 under its stake. In 1,000 deals of exactly this matchup, expect about 533 won outright by 66, about 463 won outright by KQo and about 4 split. ## The same matchup from the other side One page covers both views. From KQo's side the equity is 46.52%, and from 66's side it is 53.48%. ## Keep exploring 6s6h against KdQc 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. - [Open 6s6h against KdQc in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=6s6h&p2=KdQc) - [66 combos](https://georgelipoker.com/combos/66.md) - [KQo combos](https://georgelipoker.com/combos/kqo.md) - [66 vs A7s](https://georgelipoker.com/equity/66-vs-a7s.md) - [66 vs A9o](https://georgelipoker.com/equity/66-vs-a9o.md) - [A9s vs KQo](https://georgelipoker.com/equity/a9s-vs-kqo.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed All 1,712,304 five-card boards are dealt for every suit pattern among the 72 specific deals of 66 against KQo, and both hands are scored on each. That is a full count, so the percentages are exact. Ties are half a win each, and each board appears once per flop it contains. Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used. ## Related - [66 vs A7s: preflop equity](https://georgelipoker.com/equity/66-vs-a7s.md) - [66 vs A9o: preflop equity](https://georgelipoker.com/equity/66-vs-a9o.md) - [A9s vs KQo: preflop equity](https://georgelipoker.com/equity/a9s-vs-kqo.md)