'Two Up' is a coin tossing game where betting occurs on the outcome - Heads or Tails.
Please read the Home page for a description of the Martingale System.
The origins of the Two up game are obscure but it is generally assumed to have evolved from the game of 'Pitch and Toss'.
By the 18th century Two Up had become a popular game in parts of England and Ireland.
Of note is that during World War I, two up was very popular with Australian soldiers as a form of entertainment.
The game itself is deceptively simple but when playing with a group of people it can be immensely entertaining. In essence the game is the tossing of two coins and observing the result.
In general, a group of people come together to form what is referred to as a 'School'.
The School comprises of a 'Ring' or playing area; the 'Spinner' - the person tossing the coins;
the Boxer - a person delegated to manage the game and betting; the Ringer - another person to set the coins on the Kip ( a wooden paddle for tossing the coins) and to recover the coins after the toss and declare the result.
Two Heads facing up is termed 'Heads' and is one result while two Tails facing up is termed 'Tails' and is the other possible result. If the coins land with one Tail and one Head showing this is deemed as no result and is referred to as 'Odds' and the coins are tossed again.
Bets are placed between members of the school on the outcome in a market atmosphere which can at times become quite vibrant.
The first input is your Kitty - how much money you are prepared to risk wagering. The default value is set to $100 but this can be changed to anything between $1 and $1,000,000.
The second input sets your initial bet and subsequent bets after winning. The default value is set to $10 but this can be changed to anything between $1 and $1,000,000.
Every time you lose this amount is doubled in a compounding manner. At a point where you do not have enough money remaining in your kitty to complete the bet the balance of the Kitty is used instead. On winning this is reset to the the original sum.
There is an optional input here labeled 'Target'.
The default value is $200 and if left set on this value will allow the simulation to run for 100 races or until you lose all the money in your Kitty. You can change this value to any amount between $1 and $1,000,000 and if the simulation reaches this value it will stop.
Once you have set your inputs to your desired amounts simply press the 'Go' button and read the printout for a description of how your wagering went in this simulation.
Two Up is possibly the fairest of games of chance as the odds are 50/50 (even) and subsequently using the Martingale system you can occasionally profit if you set reasonable limits to what profits to expect from the money you invest and realizing that there is a real chance of loosing your entire Kitty.
For such a simple game of chance it is surprising how entertaining it can be with betting occurring all about you and the cheers of the crowd riding on the toss of coins!
NOTE: It makes no mathematical difference to the outcome of this system if you change your bet from Heads to Tails at any time (this is a common misconception) - the only relevant point mathematically is whether you win or lose