--- title: "KJs vs 33: preflop equity" url: "https://georgelipoker.com/equity/kjs-vs-33.md" canonical_url: "https://georgelipoker.com/equity/kjs-vs-33" last_updated: "2026-10-23" type: "reference" summary: "KJs vs 33 is close to a coin flip before the flop: 50.92% to 49.08% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/kjs-vs-t8s.md", "https://georgelipoker.com/equity/kjs-vs-t9o.md", "https://georgelipoker.com/equity/a8s-vs-33.md"] --- # KJs vs 33: preflop equity KJs vs 33 is close to a coin flip before the flop: 50.92% to 49.08% equity, counted exactly over every board, with the split by flop type and suit. Averaged over every possible board, KJs is ahead of 33 by 1.84 points of equity, 50.92% to 49.08%. ## KJs against 33: the numbers **Exact preflop results for KJs against 33, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | KJs | 50.537 | 0.774 | 48.689 | 50.924 | | 33 | 48.689 | 0.774 | 50.537 | 49.076 | KJs and 33 are a suited hand and a pocket pair, 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. This is close to even money, with KJs a little ahead. Ties are part of the picture: 0.77% of boards end in a split pot, and each side counts that as half a win. Ranked by equity against a random hand, KJs is number 20 of the 169 starting hands and 33 is number 66. **Boards behind the percentages: 41,095,296 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | KJs | 20,768,000 | 318,000 | 20,009,000 | | 33 | 20,009,000 | 318,000 | 20,768,000 | The total is exact: 24 specific deals times 1,712,304 boards. The three counts are approximate, worked out from the percentages to five decimals and rounded to the nearest thousand. **KJs against 33 read as odds** | Hand | Equity as odds (to 1) | Wins one deal in | Loses one deal in | Pot odds needed to call (to 1) | | --- | --- | --- | --- | --- | | KJs | 1.038 | 1.979 | 2.054 | 0.964 | | 33 | 0.964 | 2.054 | 1.979 | 1.038 | 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: KJs holds 56.61% on rainbow flops topped by a ten or better and 24.06% on low rainbow flops (nine high or lower). Watch for low rainbow flops (nine high or lower) and paired flops: on those flops 33 holds the better equity. **KJs against 33 by flop texture, in percent** | Flop | Share of flops | KJs wins | Ties | 33 wins | KJs equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 24.595 | 56.454 | 0.319 | 43.227 | 56.613 | | Rainbow, nine or lower | 6.314 | 23.500 | 1.110 | 75.390 | 24.055 | | Two-tone | 46.545 | 51.794 | 0.447 | 47.759 | 52.017 | | Monotone | 5.212 | 49.028 | 3.266 | 47.706 | 50.661 | | Paired | 17.334 | 49.068 | 1.426 | 49.506 | 49.781 | Read the flop types this way: rainbow has three suits, two-tone has two cards of one suit, monotone has three, and paired repeats a rank. ## Compared with a random hand A random hand would give KJs 62.57% and 33 53.69%. Against each other the change is -11.65 points for KJs and -4.61 for 33. **KJs and 33 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 | | --- | --- | --- | --- | --- | | KJs, all flops | 50.924 | 62.567 | -11.643 | 0.81391 | | KJs, rainbow, ten or higher | 56.613 | 62.567 | -5.954 | 0.90484 | | KJs, rainbow, nine or lower | 24.055 | 62.567 | -38.512 | 0.38447 | | KJs, two-tone | 52.017 | 62.567 | -10.550 | 0.83138 | | KJs, monotone | 50.661 | 62.567 | -11.906 | 0.80971 | | KJs, paired | 49.781 | 62.567 | -12.786 | 0.79564 | | 33, all flops | 49.076 | 53.693 | -4.617 | 0.91401 | | 33, rainbow, ten or higher | 43.387 | 53.693 | -10.306 | 0.80806 | | 33, rainbow, nine or lower | 75.945 | 53.693 | +22.252 | 1.41443 | | 33, two-tone | 47.983 | 53.693 | -5.710 | 0.89365 | | 33, monotone | 49.339 | 53.693 | -4.354 | 0.91891 | | 33, paired | 50.219 | 53.693 | -3.474 | 0.93530 | ## Does a shared suit matter? When the hands share a suit, KJs holds 50.75%; when they do not, it holds 51.10%. KJs does better with no shared suit, by 0.35 points. **KJs against 33 by suit overlap, in percent** | Deals | Specific deals | Share of deals | KJs wins | Ties | 33 wins | KJs equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 12 | 50.00 | 50.348 | 0.805 | 48.847 | 50.751 | | No shared suit | 12 | 50.00 | 50.726 | 0.743 | 48.531 | 51.097 | ## How often this matchup comes up Counting specific cards, KJs against 33 appears in 24 of the 1,624,350 ordered heads-up deals (0.0015%), and in 48 when the seats are swapped too (0.0030%). ## A worked example With $100 from each side, the $200 pot is split on average as $101.84 for KJs and $98.16 for 33; the first side gains $1.84 per all-in and the second gives up $1.84. In 1,000 deals of exactly this matchup, expect about 505 won outright by KJs, about 487 won outright by 33 and about 8 split. ## The same matchup from the other side If you came looking for 33 against KJs, the numbers are the same with the hands swapped: 49.08% and 50.92%. ## Keep exploring Try KsJs against 3h3d 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. - [Open KsJs against 3h3d in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=KsJs&p2=3h3d) - [KJs combos](https://georgelipoker.com/combos/kjs.md) - [33 combos](https://georgelipoker.com/combos/33.md) - [KJs vs T8s](https://georgelipoker.com/equity/kjs-vs-t8s.md) - [KJs vs T9o](https://georgelipoker.com/equity/kjs-vs-t9o.md) - [A8s vs 33](https://georgelipoker.com/equity/a8s-vs-33.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed Nothing here is simulated. The 24 deals of KJs against 33 fall into a few suit patterns, each dealt against all 1,712,304 boards, with both best five-card hands compared on every board. Ties give each hand half a win, and the flop rows count a board under each of its ten flops. Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used. ## Related - [KJs vs T8s: preflop equity](https://georgelipoker.com/equity/kjs-vs-t8s.md) - [KJs vs T9o: preflop equity](https://georgelipoker.com/equity/kjs-vs-t9o.md) - [A8s vs 33: preflop equity](https://georgelipoker.com/equity/a8s-vs-33.md)