The Martingale system is a methodology to amplify the chance of recovering from losing streaks that can be used in investing or gambling. It involves doubling up on losing bets and reducing winning bets by half.

Examples of the Martingale Strategy in Action\n\n Assume that you haveR$10 to wager, starting with the first wager ofR$1. You bet on heads, the coin flips that way, and you winR$1, bringing your equity up toR$11. Each time you are successful, you continue to bet the sameR$1 until you lose.

Betis and Real Sociedad hail from opposite ends of the Iberian Peninsula. The former is from Andalusia, Spain's southernmost province, known for its hot summers and slow-paced life. La Real is in the heart of the Basque Country, in the rainy city of San Sebastian on Spain's northern coast.

Following an internal split from Sevilla FC, another club was formed, Betis Football Club. In 1914, they merged with Sevilla Balompi. The club received its royal patronage in the same year, and therefore adopted the name Real Betis Balompi.