River Poker Rules

River Poker Rules 2019

The River Rock Poker room is excited to welcome our new partner, The Racebook! Now located in the Poker Room, our 50+ seat Racebook will give all of our guests a chance to enjoy the excitement of off track betting and poker all in the same room! Please contact the Poker. Playing after the river Your options on the turn After the flop, there are two more community cards to play – the turn and the river, each with a round of betting in between. Before you put more money in the pot, ask yourself: is it worth your while to see these cards or not? Texas Hold'em Rules. In Texas hold’em each player is dealt two cards called their ‘hole’ cards. Hole cards can only be seen and used by one person. The dealer button (denoted by a circular disc) is allocated before hands are dealt to allow for the positioning of the forced bets: small blind and big blind, and also to determine who will act first and last in the hand.

Introduction

Riverboat Hold'em Poker is a poker-based table game found in Mississippi and Indiana. Usually I do all my own analysis for this site. However in the case of this game the math is by Stanley Ko. The game owner provided me Stanley's report, with permission to publish on this site. I can only independently vouch for the River bet tables.

Rules

River Poker Rules 2019

A single 52-card deck is used.
Play starts with the player making an ante bet and an optional River Bet.
The dealer will give each player ahd himself two cards face down. The player may look at his own cards but sharing of information is not allowed.
The player has the following options.
- Fold: Player loses ante bet. The River Bet (if made) remains active.
- Call: Player must place an additional bet equal exactly to the ante.
- Raise: Player must place an additional bet equal exactly to two times the ante.
The dealer deals three community cards face up.
The dealer will turn over his two hole cards.
The dealer must have a king-jack or higher to qualify. For example, the lowest possible qualifying hand would be K,J,4,3,2. If the dealer does not qualify all ante bets will pay 1 to 1 and all call and raise bets will push.
If the dealer qualifies and the player has the higher hand then the ante and call or raise bets will pay 1 to 1.
If the dealer qualifies and the dealer has the higher hand, or there is a tie, then the ante and call or raise bets will lose.
The dealer will resolve the river bet based only on the poker value of the player's hand. There are four pay tables available from the game maker as shown below.

The following table shows the optimal player strategy according to the player's initial two cards. There is no code for fold because the player should never do so.

Following optimal strategy the house edge of the ante bet is 2.2240%. On average the player will call 73.3032% of the time, and raise 26.6968%, for an average final wager of 2.2670 units. Thus the element of risk is 0.9810%.

The following table shows the probability of each initial hand the probability of each outcome given per hand.

Probability Table for Riverboat Hold'em

Initial Hand	Probability	Win 3	Win 2	Win 1	Lose 2	Lose 3
Unsuited 23	0.00905	0	0.128983	0.219176	0.651841	0
Unsuited 24	0.00905	0	0.136228	0.219296	0.644476	0
Unsuited 25	0.00905	0	0.146682	0.219417	0.633901	0
Unsuited 26	0.00905	0	0.157035	0.219537	0.623429	0
Unsuited 27	0.00905	0	0.172098	0.219567	0.608335	0
Unsuited 28	0.00905	0	0.192181	0.219567	0.588252	0
Unsuited 29	0.00905	0	0.215257	0.219447	0.565296	0
Unsuited 2T	0.00905	0	0.241543	0.219326	0.539131	0
Unsuited 2J	0.00905	0	0.270936	0.225312	0.503753	0
Unsuited 2Q	0.00905	0	0.30825	0.225191	0.466559	0
Unsuited 2K	0.00905	0	0.332831	0.234335	0.432834	0
Unsuited 2A	0.00905	0	0.372709	0.247808	0.379483	0
Unsuited 34	0.00905	0	0.145283	0.219386	0.635331	0
Unsuited 35	0.00905	0	0.155737	0.219507	0.624756	0
Unsuited 36	0.00905	0	0.16609	0.219627	0.614283	0
Unsuited 37	0.00905	0	0.181189	0.219657	0.599154	0
Unsuited 38	0.00905	0	0.199426	0.219687	0.580887	0
Unsuited 39	0.00905	0	0.222502	0.219567	0.557931	0
Unsuited 3T	0.00905	0	0.248788	0.219447	0.531765	0
Unsuited 3J	0.00905	0	0.278722	0.225432	0.495846	0
Unsuited 3Q	0.00905	0	0.316037	0.225312	0.458652	0
Unsuited 3K	0.00905	0	0.341375	0.234455	0.424169	0
Unsuited 3A	0.00905	0.382518	0	0.247928	0	0.369554
Unsuited 45	0.00905	0	0.164793	0.219597	0.61561	0
Unsuited 46	0.00905	0	0.175145	0.219717	0.605138	0
Unsuited 47	0.00905	0	0.190244	0.219747	0.590008	0
Unsuited 48	0.00905	0	0.208517	0.219778	0.571705	0
Unsuited 49	0.00905	0	0.229747	0.219687	0.550566	0
Unsuited 4T	0.00905	0	0.256033	0.219567	0.5244	0
Unsuited 4J	0.00905	0	0.286509	0.225552	0.487939	0
Unsuited 4Q	0.00905	0	0.323823	0.225432	0.450745	0
Unsuited 4K	0.00905	0	0.34992	0.234575	0.415504	0
Unsuited 4A	0.00905	0.392326	0	0.248048	0	0.359625
Unsuited 56	0.00905	0	0.1842	0.219807	0.595992	0
Unsuited 57	0.00905	0	0.1993	0.219838	0.580863	0
Unsuited 58	0.00905	0	0.217573	0.219868	0.56256	0
Unsuited 59	0.00905	0	0.238838	0.219778	0.541384	0
Unsuited 5T	0.00905	0	0.263278	0.219687	0.517035	0
Unsuited 5J	0.00905	0	0.294295	0.225673	0.480033	0
Unsuited 5Q	0.00905	0	0.33161	0.225552	0.442838	0
Unsuited 5K	0.00905	0	0.358465	0.234696	0.406839	0
Unsuited 5A	0.00905	0.402134	0	0.248169	0	0.349696
Unsuited 67	0.00905	0	0.208391	0.219928	0.571681	0
Unsuited 68	0.00905	0	0.226664	0.219958	0.553378	0
Unsuited 69	0.00905	0	0.24793	0.219868	0.532202	0
Unsuited 6T	0.00905	0	0.272405	0.219778	0.507817	0
Unsuited 6J	0.00905	0	0.302118	0.225793	0.47209	0
Unsuited 6Q	0.00905	0	0.339432	0.225673	0.434895	0
Unsuited 6K	0.00905	0	0.367046	0.234816	0.398138	0
Unsuited 6A	0.00905	0.410232	0	0.248289	0	0.341479
Unsuited 78	0.00905	0	0.235984	0.219928	0.544088	0
Unsuited 79	0.00905	0	0.25725	0.219838	0.522913	0
Unsuited 7T	0.00905	0	0.281725	0.219747	0.498527	0
Unsuited 7J	0.00905	0	0.311739	0.225763	0.462499	0
Unsuited 7Q	0.00905	0	0.347219	0.225673	0.427109	0
Unsuited 7K	0.00905	0	0.37559	0.234816	0.389593	0
Unsuited 7A	0.00905	0.42004	0	0.248289	0	0.33167
Unsuited 89	0.00905	0	0.266534	0.219807	0.513659	0
Unsuited 8T	0.00905	0	0.291009	0.219717	0.489273	0
Unsuited 8J	0.00905	0	0.321564	0.225733	0.452704	0
Unsuited 8Q	0.00905	0	0.35708	0.225642	0.417278	0
Unsuited 8K	0.00905	0.384135	0	0.234816	0	0.381049
Unsuited 8A	0.00905	0.429849	0	0.248289	0	0.321862
Unsuited 9T	0.00905	0	0.299989	0.219597	0.480414	0
Unsuited 9J	0.00905	0	0.331037	0.225612	0.443351	0
Unsuited 9Q	0.00905	0	0.366554	0.225522	0.407925	0
Unsuited 9K	0.00905	0.394367	0	0.234696	0	0.370937
Unsuited 9A	0.00905	0.439777	0	0.248169	0	0.312054
Unsuited TJ	0.00905	0	0.340186	0.225492	0.434323	0
Unsuited TQ	0.00905	0	0.375654	0.225402	0.398945	0
Unsuited TK	0.00905	0.404225	0	0.234575	0	0.361199
Unsuited TA	0.00905	0.450899	0	0.248048	0	0.301052
Unsuited JQ	0.00905	0.385222	0	0.232021	0	0.382757
Unsuited JK	0.00905	0.407468	0	0.239503	0	0.353028
Unsuited JA	0.00905	0.453968	0	0.254668	0	0.291364
Unsuited QK	0.00905	0.417325	0	0.239383	0	0.343292
Unsuited QA	0.00905	0.463776	0	0.254547	0	0.281676
Unsuited KA	0.00905	0.463523	0	0.264537	0	0.27194
Suited 23	0.003017	0	0.135208	0.219127	0.645665	0
Suited 24	0.003017	0	0.14242	0.219247	0.638333	0
Suited 25	0.003017	0	0.152818	0.219367	0.627814	0
Suited 26	0.003017	0	0.16314	0.219488	0.617372	0
Suited 27	0.003017	0	0.178128	0.219518	0.602354	0
Suited 28	0.003017	0	0.198089	0.219518	0.582393	0
Suited 29	0.003017	0	0.221023	0.219397	0.559579	0
Suited 2T	0.003017	0	0.247144	0.219277	0.533579	0
Suited 2J	0.003017	0	0.276258	0.225272	0.49847	0
Suited 2Q	0.003017	0	0.313295	0.225152	0.461553	0
Suited 2K	0.003017	0	0.337669	0.234308	0.428023	0
Suited 2A	0.003017	0.377063	0	0.247808	0	0.375129
Suited 34	0.003017	0	0.151419	0.219338	0.629243	0
Suited 35	0.003017	0	0.161817	0.219458	0.618725	0
Suited 36	0.003017	0	0.172139	0.219578	0.608283	0
Suited 37	0.003017	0	0.187163	0.219608	0.593229	0
Suited 38	0.003017	0	0.205301	0.219638	0.57506	0
Suited 39	0.003017	0	0.228236	0.219518	0.552246	0
Suited 3T	0.003017	0	0.254357	0.219397	0.526246	0
Suited 3J	0.003017	0	0.284004	0.225392	0.490604	0
Suited 3Q	0.003017	0	0.321041	0.225272	0.453687	0
Suited 3K	0.003017	0	0.346161	0.234429	0.419411	0
Suited 3A	0.003017	0.386799	0	0.247928	0	0.365272
Suited 45	0.003017	0	0.170816	0.219549	0.609635	0
Suited 46	0.003017	0	0.181138	0.219669	0.599192	0
Suited 47	0.003017	0	0.196162	0.219699	0.58414	0
Suited 48	0.003017	0	0.214336	0.219729	0.565935	0
Suited 49	0.003017	0	0.235449	0.219638	0.544913	0
Suited 4T	0.003017	0	0.26157	0.219518	0.518912	0
Suited 4J	0.003017	0	0.291749	0.225513	0.482738	0
Suited 4Q	0.003017	0	0.328786	0.225392	0.445821	0
Suited 4K	0.003017	0	0.354653	0.234549	0.410798	0
Suited 4A	0.003017	0.396535	0	0.248048	0	0.355416
Suited 56	0.003017	0	0.190137	0.21976	0.590103	0
Suited 57	0.003017	0	0.205161	0.219789	0.575049	0
Suited 58	0.003017	0	0.223335	0.219819	0.556846	0
Suited 59	0.003017	0	0.244483	0.219729	0.535788	0
Suited 5T	0.003017	0	0.268782	0.219638	0.511579	0
Suited 5J	0.003017	0	0.299495	0.225633	0.474871	0
Suited 5Q	0.003017	0	0.336532	0.225513	0.437955	0
Suited 5K	0.003017	0	0.363145	0.234669	0.402186	0
Suited 5A	0.003017	0.406271	0	0.248169	0	0.345559
Suited 67	0.003017	0	0.214198	0.21988	0.565922	0
Suited 68	0.003017	0	0.232372	0.21991	0.547718	0
Suited 69	0.003017	0	0.253521	0.219819	0.526661	0
Suited 6T	0.003017	0	0.277855	0.219729	0.502416	0
Suited 6J	0.003017	0	0.307279	0.225753	0.466967	0
Suited 6Q	0.003017	0	0.344316	0.225633	0.43005	0
Suited 6K	0.003017	0	0.371676	0.23479	0.393535	0
Suited 6A	0.003017	0.414323	0	0.248289	0	0.337387
Suited 78	0.003017	0	0.241636	0.21988	0.538484	0
Suited 79	0.003017	0	0.262784	0.219789	0.517426	0
Suited 7T	0.003017	0	0.287119	0.219699	0.493183	0
Suited 7J	0.003017	0	0.316839	0.225724	0.457437	0
Suited 7Q	0.003017	0	0.352067	0.225633	0.4223	0
Suited 7K	0.003017	0	0.380172	0.23479	0.385038	0
Suited 7A	0.003017	0.424064	0	0.248289	0	0.327647
Suited 89	0.003017	0	0.272012	0.21976	0.508228	0
Suited 8T	0.003017	0	0.296347	0.219669	0.483984	0
Suited 8J	0.003017	0	0.3266	0.225694	0.447706	0
Suited 8Q	0.003017	0	0.361863	0.225603	0.412533	0
Suited 8K	0.003017	0.388669	0	0.23479	0	0.376542
Suited 8A	0.003017	0.433804	0	0.248289	0	0.317906
Suited 9T	0.003017	0	0.305277	0.219549	0.475174	0
Suited 9J	0.003017	0	0.336016	0.225573	0.438411	0
Suited 9Q	0.003017	0	0.371279	0.225483	0.403238	0
Suited 9K	0.003017	0.398831	0	0.234669	0	0.3665
Suited 9A	0.003017	0.443665	0	0.248169	0	0.308166
Suited TJ	0.003017	0	0.345111	0.225453	0.429436	0
Suited TQ	0.003017	0	0.380327	0.225362	0.394311	0
Suited TK	0.003017	0.408625	0	0.234549	0	0.356826
Suited TA	0.003017	0.454703	0	0.248048	0	0.297248
Suited JQ	0.003017	0.389739	0	0.231982	0	0.378279
Suited JK	0.003017	0.411805	0	0.239503	0	0.348692
Suited JA	0.003017	0.457708	0	0.254668	0	0.287624
Suited QK	0.003017	0.421597	0	0.239383	0	0.33902
Suited QA	0.003017	0.467453	0	0.254547	0	0.277999
Suited KA	0.003017	0.467135	0	0.264537	0	0.268328
Pair 22	0.004525	0.447155	0	0.215914	0	0.336931
Pair 33	0.004525	0.471466	0	0.216155	0	0.312379
Pair 44	0.004525	0.495777	0	0.216395	0	0.287827
Pair 55	0.004525	0.520088	0	0.216636	0	0.263276
Pair 66	0.004525	0.544158	0	0.216877	0	0.238965
Pair 77	0.004525	0.568469	0	0.216877	0	0.214654
Pair 88	0.004525	0.592779	0	0.216877	0	0.190343
Pair 99	0.004525	0.617331	0	0.216636	0	0.166033
Pair TT	0.004525	0.641882	0	0.216395	0	0.141722
Pair JJ	0.004525	0.652714	0	0.229634	0	0.117652
Pair QQ	0.004525	0.677024	0	0.229394	0	0.093582
Pair KK	0.004525	0.681116	0	0.249372	0	0.069511
Pair AA	0.004525	0.675098	0	0.279701	0	0.045201

The next table shows the overall probability of each possible outcome.

Return Table for Riverboat Hold'em

Win	Probability	Return
3	0.121363	0.364088
2	0.192021	0.384042
1	0.228022	0.228022
-2	0.377389	-0.754779
-3	0.081205	-0.243614
Total	1	-0.02224

Literature from the game maker contains four possible pay tables for the River bet. The four return tables below show the four pay tables, the probability and return of each outcome, and the player's expected value in the lower right cell.

I am told by the game maker that the Mississippi casinos follow pay table 3, and the Indiana casinos follow pay table 4.

River Bet - Pay Table 1

Event	Pays	Combinations	Probability	Return
Royal flush	10000	4	0.000002	0.015391
Straight flush	1000	36	0.000014	0.013852
Four of a kind	100	624	0.00024	0.02401
Full house	20	3744	0.001441	0.028812
Flush	15	5108	0.001965	0.029481
Straight	8	10200	0.003925	0.031397
Three of a kind	4	54912	0.021128	0.084514
Two pair	3	123552	0.047539	0.142617
Nines or better	1	506880	0.195032	0.195032
All other	-1	1893900	0.728715	-0.728715
Total	2598960	1	-0.16361

River Bet - Pay Table 2

Event	Pays	Combinations	Probability	Return
Royal flush	250	4	0.000002	0.000385
Straight flush	50	36	0.000014	0.000693
Four of a kind	20	624	0.00024	0.004802
Full house	12	3744	0.001441	0.017287
Flush	9	5108	0.001965	0.017689
Straight	5	10200	0.003925	0.019623
Three of a kind	4	54912	0.021128	0.084514
Two pair	3	123552	0.047539	0.142617
Nines or better	2	506880	0.195032	0.390064
All other	-1	1893900	0.728715	-0.728715
Total	2598960	1	-0.051042

River Bet - Pay Table 3 (Mississippi)

Event	Pays	Combinations	Probability	Return
Royal flush	250	4	0.000002	0.000385
Straight flush	50	36	0.000014	0.000693
Four of a kind	25	624	0.00024	0.006002
Full house	15	3744	0.001441	0.021609
Flush	10	5108	0.001965	0.019654
Straight	8	10200	0.003925	0.031397
Three of a kind	5	54912	0.021128	0.105642
Two pair	3	123552	0.047539	0.142617
Sevens or better	1	675840	0.260042	0.260042
All other	-1	1724940	0.663704	-0.663704
Total	2598960	1	-0.075663

River Bet - Pay Table 4 (Indiana)

Event	Pays	Combinations	Probability	Return
Royal flush	500	4	0.000002	0.00077
Straight flush	100	36	0.000014	0.001385
Four of a kind	40	624	0.00024	0.009604
Full house	15	3744	0.001441	0.021609
Flush	8	5108	0.001965	0.015723
Straight	6	10200	0.003925	0.023548
Three of a kind	4	54912	0.021128	0.084514
Two pair	3	123552	0.047539	0.142617
Sixes or better	1	760320	0.292548	0.292548
All other	-1	1640460	0.631199	-0.631199
Total	2598960	1	-0.038882

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