Human–computer chess matches computer Deep Thought in an exhibition match. Deep Thought, however, was still considerably below World Championship Level, as the then reigning world chess champion Garry Kasparov demonstrated in two convincing wins in 1989. The "Chess Genius" program was entered into a Professional Chess Association rapid chess tournament in 1994. It defeated and eliminated world champion Kasparov, but lost to Viswanathan Anand in the next round. This was the first time a computer had defeated the world champion in an official game, albeit at rapid time controls. Kasparov played a six-game match against IBM's Deep Blue in 1996. Kasparov lost the
Deep Blue (video game) deep. Alone, players control the Earth's only defense against the attack, the A.N.G.E.L. Fish Attack Sub. "Deep Blue" is a basic horizontal scrolling shooter: players collect power-ups and different weapons to fight numerous enemies. The screen scales up and down allowing more vertical space. The game features a single life; the Angel Fish can take a lot of hits before it is destroyed, and even regenerates over time. Damage levels are represented by the color of the ship's 'eyes': they start out a solid blue, but when damaged, the eyes blink blue until going to green, then yellow, then red.