--- title: "KJo vs 87s: preflop equity" url: "https://georgelipoker.com/equity/kjo-vs-87s.md" canonical_url: "https://georgelipoker.com/equity/kjo-vs-87s" last_updated: "2026-10-23" type: "reference" summary: "Who is ahead, KJo or 87s? KJo leads 59.71% to 40.29% before the flop, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/kjo-vs-86s.md", "https://georgelipoker.com/equity/kjo-vs-76s.md", "https://georgelipoker.com/equity/55-vs-87s.md"] --- # KJo vs 87s: preflop equity Who is ahead, KJo or 87s? KJo leads 59.71% to 40.29% before the flop, counted exactly over every board, with the split by flop type and suit. Averaged over every possible board, KJo is ahead of 87s by 19.42 points of equity, 59.71% to 40.29%. ## KJo against 87s: the numbers **Exact preflop results for KJo against 87s, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | KJo | 59.387 | 0.638 | 39.975 | 59.706 | | 87s | 39.975 | 0.638 | 59.387 | 40.294 | We compare an offsuit hand with a suited hand. Neither hand shares a rank with the other, so this is a contest of high cards, connection and suits. That is a modest edge, the kind that shows up over many hands and is easy to miss in one. The tie share is 0.64%: on those boards the pot is chopped and neither hand wins outright. The hand ranking puts KJo at 26 and 87s at 100 out of 169 starting hands. **Boards behind the percentages: 82,190,592 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | KJo | 48,811,000 | 524,000 | 32,856,000 | | 87s | 32,856,000 | 524,000 | 48,811,000 | 48 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. **KJo against 87s read as odds** | Hand | Equity as odds (to 1) | Wins one deal in | Loses one deal in | Pot odds needed to call (to 1) | | --- | --- | --- | --- | --- | | KJo | 1.482 | 1.684 | 2.502 | 0.675 | | 87s | 0.675 | 2.502 | 1.684 | 1.482 | The last column is the smallest pot odds, written as a pot-to-call ratio, at which a call breaks even with this equity. ## Who is ahead on which flops If you know the kind of flop that came, the numbers shift: KJo holds 67.57% on rainbow flops topped by a ten or better and 35.12% on low rainbow flops (nine high or lower). Low rainbow flops (nine high or lower) favor 87s, the hand that is behind overall. **KJo against 87s by flop texture, in percent** | Flop | Share of flops | KJo wins | Ties | 87s wins | KJo equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 24.717 | 67.414 | 0.318 | 32.268 | 67.573 | | Rainbow, nine or lower | 6.313 | 34.855 | 0.531 | 64.614 | 35.120 | | Two-tone | 46.667 | 58.019 | 0.341 | 41.640 | 58.189 | | Monotone | 5.212 | 56.876 | 2.437 | 40.687 | 58.095 | | Paired | 17.091 | 61.344 | 1.403 | 37.253 | 62.046 | 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 Against one random hand instead, KJo holds 60.57% and 87s holds 47.94%. Facing each other changes that by -0.86 points for KJo and -7.65 points for 87s. **KJo and 87s 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 | | --- | --- | --- | --- | --- | | KJo, all flops | 59.706 | 60.569 | -0.863 | 0.98575 | | KJo, rainbow, ten or higher | 67.573 | 60.569 | +7.004 | 1.11564 | | KJo, rainbow, nine or lower | 35.120 | 60.569 | -25.449 | 0.57983 | | KJo, two-tone | 58.189 | 60.569 | -2.380 | 0.96071 | | KJo, monotone | 58.095 | 60.569 | -2.474 | 0.95915 | | KJo, paired | 62.046 | 60.569 | +1.477 | 1.02439 | | 87s, all flops | 40.294 | 47.936 | -7.642 | 0.84058 | | 87s, rainbow, ten or higher | 32.427 | 47.936 | -15.509 | 0.67646 | | 87s, rainbow, nine or lower | 64.880 | 47.936 | +16.944 | 1.35347 | | 87s, two-tone | 41.811 | 47.936 | -6.125 | 0.87223 | | 87s, monotone | 41.905 | 47.936 | -6.031 | 0.87419 | | 87s, paired | 37.954 | 47.936 | -9.982 | 0.79176 | ## Does a shared suit matter? The suit split reads 60.40% for KJo with a shared suit and 59.02% without one. KJo does better with a shared suit, by 1.38 points. **KJo against 87s by suit overlap, in percent** | Deals | Specific deals | Share of deals | KJo wins | Ties | 87s wins | KJo equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 24 | 50.00 | 60.055 | 0.679 | 39.266 | 60.395 | | No shared suit | 24 | 50.00 | 58.720 | 0.596 | 40.684 | 59.018 | ## How often this matchup comes up Out of 1,624,350 ways to deal two seats two cards each, 48 are KJo in one seat and 87s in the other (0.0030%); with the seats swapped too, 96 (0.0059%). ## A worked example Put $100 each into a $200 pot and deal every board once: KJo averages $119.42 back, ahead of its $100 by $19.42, while 87s averages $80.58, short of its $100 by $19.42. Scaled to 1,000 deals, that is roughly 594 wins for KJo, 400 for 87s and 6 chopped pots. ## The same matchup from the other side One page covers both views. From 87s' side the equity is 40.29%, and from KJo's side it is 59.71%. ## Keep exploring KsJh against 8d7d 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 KsJh against 8d7d in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=KsJh&p2=8d7d) - [KJo combos](https://georgelipoker.com/combos/kjo.md) - [87s combos](https://georgelipoker.com/combos/87s.md) - [KJo vs 86s](https://georgelipoker.com/equity/kjo-vs-86s.md) - [KJo vs 76s](https://georgelipoker.com/equity/kjo-vs-76s.md) - [55 vs 87s](https://georgelipoker.com/equity/55-vs-87s.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed The figures are counted, not estimated: 1,712,304 boards for every suit pattern of the 48 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. ## Related - [KJo vs 86s: preflop equity](https://georgelipoker.com/equity/kjo-vs-86s.md) - [KJo vs 76s: preflop equity](https://georgelipoker.com/equity/kjo-vs-76s.md) - [55 vs 87s: preflop equity](https://georgelipoker.com/equity/55-vs-87s.md)