On Sunday the NFC Power System Play is on the Seattle Seahawks. Game 604 at 6:35 eastern. There is a an Amazing system that has cashed 28 straight times in this game and plays on home teams that out score their opponents by 10 or more points per game. San Francisco is in a tough spot as historically teams do not do well when playing in a 4th straight road game and system tighteners get the system a 91% investment in this line range, In championship games the spread has not played much of a factor as the winning teams have covered 73 of 81 with a few ties mixed in. This game pits 2 big division rivals that are meeting for the 3rd time. In the first game here in Seattle the Seahawks blasted the Niners 29-3, them lost a close one 19-17 back in San Francisco. These teams have nearly identical numbers on offense as far as yardages while Seattle has an edge on defense. Seattle has a slight edge in forced turnovers and are the overall better team. In the series here Seattle has won 9 of the last 13. Seattle is 11-3 ats with revenge and has won 8 of 9 here when the total is 38.5 to 42. They have out rushed opponents 143-95 here at home and are 4-0 straight up and ats as a home favorite of more than 3 to -7. In games vs teams that average 7 or more yards per pass they are 11-1 to the spread. Home teams in NFC Conference Championship games have averaged over 25 points the last 7 seasons. The Niners are 0-4 straight up and ats when the line is within 3 of pickmem and they are a road dog after scoring 21 or more. Seattle is 17-4 straight up and ats at home off a home game and perfect if they failed to cover that last home game. Road dogs in this range have lost 11 of 12 by an average 13 points per game if they are off a road win at -3 to +3 won by 10 or more, covered by 10 or more, scored 21 or more in a non division game, and are now playing an opponent off a home win. Seattle may not blow the Niners out again. But a win and cover here is the most likely of scenarios. Seattle is the Side tonight.