What's the best red & black roulette system? First let's look at the odds. The roulette odds for colors are 1 to 1 (excluding zero). Can you win at roulette with a. The black and red roulette strategy that you may read below is a very simple strategy, but still a very effective one. This system will be useful to all the players. The Green- Black Attack Roulette system takes advantage of a peculiarity found are 8 black numbers (2, 8, 11, 17, 20, 26, 29, and 35) and only 4 red numbers.