• Ecosystem Definition Biology
• Ko System
• Ecosystem Synonym

The KO Strategy is one of the very easiest Blackjack card counting strategies,contained in the book Knock-Out Blackjack--The Easiest Card CountingSystem Ever Devised by Olaf Vancura and Ken Fuchs. reKO (ridiculouslyeasy KO) is a substantially simplified version. It will be easier formost people because, unlike KO, it has only one index value for all indexesand the same indexes and value for double deck and six decks. Thus lessmemorization is required. Flashcards are often used to memorize indexes.But a set of reKO flashcards would all have +2 on them. I have also includedsimplified betting ramps. This strategy performs nearly identically toKO. Note: This is a very brief description designed for those that alreadyunderstand card counting. There is a much fuller description in my free,online book Modern Blackjack. For thoseinterested, the strategy is as follows:

Card Counting Tags

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• The Light of Knowledge has Emerge.

From Wikipedia, the free encyclopedia N'Ko (N'Ko: ߒߞߏ ‎) is a script devised by Solomana Kante in 1949, as a writing system for the Manding languages of West Africa. The term N'Ko, which means I say in all Manding languages, is also used for the Manding literary standard written in N'Ko script.

Cards 2-7: +1, 8 & 9: 0, Ten & Ace: -1

The Initial Running Counts are:

• Single Deck: -1
• Double Deck: -5
• Six Decks: -20
• Eight Decks: -27

Indexes

• Insurance
• 16vT
• 15vT
• 12v2
• 12v3
• 12v4
• 11vA
• 10vA
• 10vT
• 9v2
• 9v7
• 8v5
• 8v6
• A8v5
• A8v6

  Surrender

• 15v9
• 15vA
• 8,8vT
• 14vT (includes 7,7vT)

  All indexes are the same for double deck or six decks: +2. Anotherway of looking at it is using two basic strategies. Use one basicstrategy for running counts up to +1. Then a different strategy for+2 and above.

  Single Deck

  Single deck requires adding five additional indexes. However, theyare still all +2.

• 13v2
• 13v3
• 12v5
• 12v6
• A6v2

• Eight Decks

  Eight decks removes one index. They are still all +2. Remove thefollowing:

• 12v4

Suggested Betting Ramps

These tables are bets for each running count. You need to decide yourown unit size and maximum bet and level off your betting at that point.Note: These schedules require a fairly large bankroll - at least $10,000for a reasonable risk.

• Eight Deck:

• Six Deck:

• Double Deck:

• Single Deck:

Performance

SCORE is the current standard for comparing Blackjack card counting strategies.A full description can be found in Blackjack Attack by Don Schlesinger.Below you will find three charts showing the SCOREs for KO Preferred asdescribed in the book and reKO. Each chart shows the SCOREs for each systemfor all penetrations by the cards behind the cut card. For fairness, allSCOREs were calculated using optimal betting ramps calculated for eachpenetration assuming a betting spread of 1 to 16 for six decks, 1 to 8for two decks and 1 to 3for single deck. Each simulation is five billionrounds with four players at six decks and three players at double deckand single deck. Note: The raw data behind these charts as well as calculatedpercentages can be found at reKO Blackjack Tables.

Six Decks Strip Game, No Surrender

The first chart is for six decks, S17, DAS.

Ecosystem Definition Biology

The performance of KO and reKO in this chart are so close that the redline is almost exactly on top of the green line. You can see a hint ofthe green line just above the red line at poorer penetrations. At 4.5deck penetration reKO has 98.8% of the performance of KO. At 5.0 deckspenetration, the percentage is 99.8%

Six Decks Strip Game, Surrender

The second chart is for six decks, S17, DAS, LS.

Again the performance of KO and reKO in this chart are so close thatthe red line is almost exactly on top of the green line. KO does betterat extermely high and low penetrations. reKO does better at the more commonpenetrations. At 4.5 deck penetration reKO has 100.1% of the performanceof KO. At 5.0 decks penetration, the percentage is 100.3%. Note: The indexeswere improved since this chart was created and REKO now has better resultsat higher penetrations.

Two Decks

The third chart is for double deck, S17, DAS.

KO slightly beats reKO. At Wynn's current estimated penetration, reKOhas 99.6% of the performance of KO.

Single Deck

Ko System

The fourth chart is for single deck, H17.

reKO and KO perform essentially the same. KO has a tiny edge at 26 cardsand reKO pulls ahead at deeper penetrations. Which alas are mostly inthe past. Sims were also run with H17, DAS and a spread of 1-4 with similarresults.

Eight Decks

I didn't bother with an eight deck chart. KO-P outperforms REKO slightlyexcept at deep penetrations. At 6/8 decks, REKO has 99.0% the performanceof KO-P. At 6.5/8 decks. 99.5%. If you wish to extend REKO, using an indexof -9 for 16vT will result in REKO significantly outperforming KO-P. However,that goes against the one index theme of REKO.

Again, the raw data behind these charts can be found at reKOBlackjack Tables.

Betting ramps and Blackjack simulations were created by the CVCXBlackjack Simulator and Calculator.

Do-it-Yourself Charts

Ecosystem Synonym

One of the interesting aspects of ReKO is that you can create a set ofstrategy charts that look just like Basic Strategy charts and take theminto a casino. Casinos have no problems with BS charts. Since the ReKOindexes are all +2, you don't need to include numeric indexes. Simplycreate a Basic Strategy chart with a mark wherever there should be anindex of +2. I have created a set of charts like this which you can modifyand print. You can add your own title like 'John Patrick's AdvancedStrategy' or 'Horoscope Weekly.' Feel free to change colorsor anything else to further disguise the charts. Three formats are included.Microsoft Word, RTF (supported by nearly all word processors,) and HTML.Chartsfor all combinations of S17/H17, 6D/2D, LS/nSr, H17/S17 and DAS/nDAS areincluded. I created these rather quickly, so please send comments/correctionsto [email protected]. Click on anHTML table to see an example. (Note: The table format and colors are ablatant rip-off of Ken Smith's BS engine.)

• HTML
• Microsoft Word
• Rich Text Format