Rank-Based Interest Factors

For the interested, the formula for a 90-team field is
RBIF(R1,R2) = 4.5 × Log ( ( 91 − R1 ) × ( 91 − R2 ) + 1 ) ÷ Log(902+1)

| R1 − R2 | + Maximum { R1, R2 }
the divisor is the scaling factor to make RBIF(1,1) = 4.5
Majority Consensus Ranks from Massey Ratings College Football Ranking Composite as of Thu Sep 24 11:28:21

0 5∗ games, 2 4∗ games, 27 3∗ games, 187 2∗ games, 150 ∗ games, 28 other games
Week beginning Thursday,
24 SepRBIFGame
∗∗2.4578#25 Kentucky at #11 Auburn
∗∗2.1710#37 Iowa State at #32 TCU
∗∗2.1094#38 West Virginia at #19 Oklahoma State
∗∗2.0876#38 Mississippi State at #4 LSU
∗∗2.0683#40 Louisville at #27 Pittsburgh
∗∗2.0421#4 Alabama at #40 Missouri
∗∗2.0416#28 Tennessee at #41 South Carolina
∗∗2.0004#10 Florida at #42 Mississippi
∗∗1.9312#45 Kansas State at #10 Oklahoma
∗∗1.8575#48 Army at #23 Cincinnati
∗∗1.8066#50 North Carolina State at #25 Virginia Tech
∗∗1.7293#7 Notre Dame vs #54 Wake Forest (PPD Charlotte, NC)
∗∗1.7281#53 Florida State at #28 Miami-Florida
∗∗1.7242#12 Texas at #54 Texas Tech
∗∗1.5787#59 Troy at #27 BYU
∗∗1.5115#61 Duke at #33 Virginia
1.3896#63 Tulsa at #50 Arkansas State (PPD)
1.3606#55 Georgia Tech at #63 Syracuse
1.3597#67 Georgia Southern at #29 UL Lafayette
1.3355#69 Vanderbilt at #17 Texas A&M
1.3034#5 Georgia at #71 Arkansas
1.1470#71 South Florida at #50 Florida Atlantic (PPD)
1.1188#14 UCF at #76 East Carolina
0.8786#78 North Texas at #53 Houston (PPD)
0.8757#75 Florida Intl at #66 Liberty
0.8738#81 Kansas at #27 Baylor
0.8492#57 Tulane at #78 Southern Miss
0.6826#84 Texas State at #36 Boston College
0.6329#77 Georgia State at #77 UNC-Charlotte (PPD)
0.2343#86 Middle Tenn State at #80 Texas-San Antonio (Fri)
0.0516#89 UTEP at #86 UL Monroe
1 OctRBIFGame
∗∗∗3.0029#11 Auburn at #5 Georgia
∗∗∗2.6868#17 Texas A&M at #4 Alabama
∗∗2.2935#29 UL Lafayette at #33 Appalachian State (Wed)
∗∗2.2535#32 TCU at #12 Texas
∗∗2.2035#33 Virginia at #3 Clemson
∗∗2.1661#20 North Carolina at #36 Boston College
∗∗2.1661#20 Memphis at #36 SMU
∗∗2.1259#27 Baylor at #38 West Virginia
∗∗2.1196#10 Oklahoma at #37 Iowa State
∗∗2.0699#40 Missouri at #28 Tennessee
∗∗2.0238#41 South Carolina at #10 Florida
∗∗2.0111#42 Mississippi at #25 Kentucky
∗∗1.8048#50 North Carolina State at #27 Pittsburgh
∗∗1.6664#54 Texas Tech at #45 Kansas State
∗∗1.6293#57 Louisiana Tech at #27 BYU (Fri)
∗∗1.5320#25 Virginia Tech at #61 Duke
∗∗1.5041#63 Tulsa at #14 UCF
1.3634#4 LSU at #69 Vanderbilt
1.3014#50 Arkansas State at #66 Coastal Carolina
1.2600#71 South Florida at #23 Cincinnati
1.2076#71 Arkansas at #38 Mississippi State
0.9374#77 UNC-Charlotte at #50 Florida Atlantic
0.8988#19 Oklahoma State at #81 Kansas
0.8716#59 Troy at #77 South Alabama
0.7241#80 Texas-San Antonio at #62 UAB
0.6531#76 East Carolina at #77 Georgia State
0.5764#78 Southern Miss at #78 North Texas
0.3895#66 Western Kentucky at #86 Middle Tenn State
0.3811#67 Georgia Southern at #86 UL Monroe
8 OctRBIFGame
∗∗∗3.0636#10 Oklahoma vs #12 Texas (Dallas, TX)
∗∗∗2.7623#10 Florida at #17 Texas A&M
∗∗∗2.5288#25 Virginia Tech at #20 North Carolina
∗∗2.3376#28 Tennessee at #5 Georgia
∗∗2.3299#28 Miami-Florida at #3 Clemson
∗∗2.1862#27 Pittsburgh at #36 Boston College
∗∗2.1214#38 Mississippi State at #25 Kentucky
∗∗2.0421#40 Missouri at #4 LSU
∗∗1.9972#4 Alabama at #42 Mississippi
∗∗1.9335#45 Kansas State at #32 TCU
∗∗1.7986#50 North Carolina State at #33 Virginia
∗∗1.7520#53 Florida State at #7 Notre Dame
∗∗1.6861#54 Texas Tech at #37 Iowa State
∗∗1.6522#40 Louisville at #55 Georgia Tech (Fri)
∗∗1.5749#57 Temple at #47 Navy
∗∗1.5496#57 Tulane at #53 Houston (Thu)
1.3647#36 Marshall at #66 Western Kentucky
1.3467#33 Appalachian State at #67 Georgia Southern (Wed)
1.3168#61 Duke at #63 Syracuse
1.2907#71 Arkansas at #11 Auburn
1.2565#41 South Carolina at #69 Vanderbilt
0.9198#80 Texas-San Antonio at #27 BYU
0.8983#50 Florida Atlantic at #78 Southern Miss
0.7742#76 East Carolina at #71 South Florida
0.5976#77 UNC-Charlotte at #78 North Texas
0.5584#84 Texas State at #59 Troy
0.3895#86 UL Monroe at #66 Liberty
0.3007#86 Middle Tenn State at #75 Florida Intl
0.2230#89 UTEP at #57 Louisiana Tech
15 OctRBIFGame
∗∗∗∗3.5648#5 Georgia at #4 Alabama
∗∗∗3.0451#4 LSU at #10 Florida
∗∗∗2.6766#14 UCF at #20 Memphis
∗∗2.4710#27 Pittsburgh at #28 Miami-Florida
∗∗2.4532#25 Kentucky at #28 Tennessee
∗∗2.4440#19 Oklahoma State at #27 Baylor
∗∗2.1799#36 Boston College at #25 Virginia Tech
∗∗2.1059#17 Texas A&M at #38 Mississippi State
∗∗2.0446#40 Louisville at #7 Notre Dame
∗∗2.0245#11 Auburn at #41 South Carolina
∗∗1.7387#20 North Carolina at #53 Florida State
∗∗1.7295#53 Houston at #27 BYU (Fri)
∗∗1.7107#3 Clemson at #55 Georgia Tech
∗∗1.6942#33 Virginia at #54 Wake Forest
∗∗1.6090#36 SMU at #57 Tulane (Fri)
∗∗1.6090#36 Marshall at #57 Louisiana Tech
1.4849#23 Cincinnati at #63 Tulsa
1.4475#61 Duke at #50 North Carolina State
1.3878#66 Coastal Carolina at #29 UL Lafayette
1.2609#69 Vanderbilt at #40 Missouri
1.2150#66 Western Kentucky at #62 UAB
1.2055#66 Liberty at #63 Syracuse
1.1898#42 Mississippi at #71 Arkansas
1.0986#71 South Florida at #57 Temple
0.9930#47 Navy at #76 East Carolina
0.9374#77 Georgia State at #50 Arkansas State (Thu)
0.8314#81 Kansas at #38 West Virginia
0.8266#48 Army at #80 Texas-San Antonio
0.6722#75 Florida Intl at #77 UNC-Charlotte
0.3655#84 Texas State at #77 South Alabama
0.2628#78 North Texas at #86 Middle Tenn State
0.1156#78 Southern Miss at #89 UTEP
22 OctRBIFGame
∗∗∗2.5612#15 Michigan at #23 Minnesota
∗∗2.4227#5 Georgia at #25 Kentucky
∗∗2.3995#27 Baylor at #12 Texas
∗∗2.3742#7 Notre Dame at #27 Pittsburgh
∗∗2.3337#4 Alabama at #28 Tennessee
∗∗2.2882#33 Virginia at #28 Miami-Florida
∗∗2.2472#10 Oklahoma at #32 TCU
∗∗2.1741#23 Cincinnati at #36 SMU
∗∗2.1362#37 Iowa State at #19 Oklahoma State
∗∗2.0473#40 Missouri at #10 Florida
∗∗2.0464#9 Penn State at #40 Indiana
∗∗2.0196#41 South Carolina at #4 LSU
∗∗2.0010#11 Auburn at #42 Mississippi
∗∗1.9743#43 Nebraska at #2 Ohio State
∗∗1.8107#50 North Carolina State at #20 North Carolina
∗∗1.7986#50 Arkansas State at #33 Appalachian State (Thu)
∗∗1.7951#50 Florida Atlantic at #36 Marshall
∗∗1.7410#18 Iowa at #53 Purdue
∗∗1.7076#25 Virginia Tech at #54 Wake Forest
∗∗1.7067#53 Florida State at #40 Louisville
∗∗1.6895#53 Houston at #47 Navy
∗∗1.6839#38 West Virginia at #54 Texas Tech
∗∗1.6618#55 Georgia Tech at #36 Boston College
∗∗1.6513#57 Tulane at #14 UCF
∗∗1.6420#57 Temple at #20 Memphis
∗∗1.5628#61 Illinois at #9 Wisconsin
∗∗1.5231#63 Syracuse at #3 Clemson
1.4961#29 UL Lafayette at #62 UAB (Fri)
1.1789#70 Maryland at #50 Northwestern
1.1424#67 Georgia Southern at #66 Coastal Carolina
1.0453#63 Tulsa at #71 South Florida (Fri)
0.8716#77 Georgia State at #59 Troy
0.7979#81 Kansas at #45 Kansas State
0.7664#57 Louisiana Tech at #80 Texas-San Antonio
0.7643#78 Southern Miss at #66 Liberty
0.7149#84 Texas State at #27 BYU
0.6526#84 Rutgers at #43 Michigan State
0.2760#86 UL Monroe at #77 South Alabama
0.2628#86 Middle Tenn State at #78 Rice
0.1223#89 UTEP at #77 UNC-Charlotte
29 OctRBIFGame
∗∗∗3.0626#2 Ohio State at #9 Penn State
∗∗∗2.9802#4 LSU at #11 Auburn
∗∗∗2.6964#12 Texas at #19 Oklahoma State
∗∗∗2.6148#20 Memphis at #23 Cincinnati
∗∗2.3177#32 TCU at #27 Baylor
∗∗2.2529#20 North Carolina at #33 Virginia
∗∗2.1324#36 Boston College at #3 Clemson
∗∗2.0876#38 Mississippi State at #4 Alabama
∗∗2.0652#25 Virginia Tech at #40 Louisville
∗∗2.0652#25 Kentucky at #40 Missouri
∗∗1.9793#43 Michigan State at #15 Michigan
∗∗1.9768#9 Wisconsin at #43 Nebraska
∗∗1.9345#45 Kansas State at #38 West Virginia
∗∗1.8774#47 Navy at #36 SMU
∗∗1.8122#50 Northwestern at #18 Iowa
∗∗1.7453#14 UCF at #53 Houston
∗∗1.7263#10 Oklahoma at #54 Texas Tech
∗∗1.7066#7 Notre Dame at #55 Georgia Tech
∗∗1.5289#57 Temple at #57 Tulane
∗∗1.5052#59 Troy at #50 Arkansas State
1.4318#53 Purdue at #61 Illinois
1.3937#66 Western Kentucky at #27 BYU
1.3774#62 UAB at #57 Louisiana Tech
1.3669#54 Wake Forest at #63 Syracuse
1.2903#23 Minnesota at #70 Maryland
1.2763#71 Arkansas at #17 Texas A&M
1.2519#42 Mississippi at #69 Vanderbilt
1.0828#36 Marshall at #75 Florida Intl (Fri)
0.8719#76 East Carolina at #63 Tulsa (Fri)
0.8539#77 UNC-Charlotte at #61 Duke
0.8358#37 Iowa State at #81 Kansas
0.8146#80 Texas-San Antonio at #50 Florida Atlantic
0.8025#66 Coastal Carolina at #77 Georgia State
0.7908#77 South Alabama at #67 Georgia Southern (Thu)
0.7082#29 UL Lafayette at #84 Texas State
0.6661#40 Indiana at #84 Rutgers
0.5764#78 Rice at #78 Southern Miss
0.5635#33 Appalachian State at #86 UL Monroe
0.1156#78 North Texas at #89 UTEP
5 NovRBIFGame
∗∗∗3.2560#3 Clemson at #7 Notre Dame
∗∗∗3.0715#10 Florida vs #5 Georgia (Jacksonville, FL)
∗∗2.1557#27 Baylor at #37 Iowa State
∗∗2.0981#38 West Virginia at #12 Texas
∗∗2.0790#40 Louisville at #33 Virginia
∗∗2.0525#15 Michigan at #40 Indiana
∗∗2.0296#17 Texas A&M at #41 South Carolina
∗∗1.9807#43 Michigan State at #18 Iowa
∗∗1.9320#19 Oklahoma State at #45 Kansas State
∗∗1.8038#28 Miami-Florida at #50 North Carolina State (Fri)
∗∗1.8028#50 Arkansas State at #29 UL Lafayette (Thu)
∗∗1.7852#43 Nebraska at #50 Northwestern
∗∗1.7502#53 Purdue at #9 Wisconsin
∗∗1.7350#53 Houston at #23 Cincinnati
∗∗1.7295#27 Pittsburgh at #53 Florida State
∗∗1.6960#54 Texas Tech at #32 TCU
∗∗1.6090#36 SMU at #57 Temple (Thu)
∗∗1.5429#20 North Carolina at #61 Duke
∗∗1.5365#23 Minnesota at #61 Illinois
1.4483#36 Boston College at #63 Syracuse
1.4046#63 Tulsa at #47 Navy
1.3993#66 Liberty at #25 Virginia Tech
1.3247#70 Maryland at #9 Penn State
1.3014#66 Western Kentucky at #50 Florida Atlantic
1.2693#69 Vanderbilt at #38 Mississippi State
1.2684#71 South Florida at #20 Memphis
1.2447#28 Tennessee at #71 Arkansas
1.2098#59 Troy at #67 Georgia Southern
0.9257#57 Tulane at #76 East Carolina
0.9226#81 Kansas at #10 Oklahoma
0.8492#57 Louisiana Tech at #78 North Texas
0.8025#77 South Alabama at #66 Coastal Carolina
0.7794#84 Rutgers at #2 Ohio State
0.6941#33 Appalachian State at #84 Texas State
0.5047#80 Texas-San Antonio at #78 Rice
0.2760#77 UNC-Charlotte at #86 Middle Tenn State
0.2760#86 UL Monroe at #77 Georgia State
0.1353#75 Florida Intl at #89 UTEP
12 NovRBIFGame
∗∗∗∗3.7731#4 Alabama at #4 LSU
∗∗∗2.8482#9 Wisconsin at #15 Michigan
∗∗∗2.5918#18 Iowa at #23 Minnesota
∗∗2.4532#28 Miami-Florida at #25 Virginia Tech
∗∗2.3961#17 Texas A&M at #28 Tennessee
∗∗2.1389#7 Notre Dame at #36 Boston College
∗∗2.1389#32 TCU at #38 West Virginia
∗∗2.0966#11 Auburn at #38 Mississippi State
∗∗2.0429#5 Georgia at #40 Missouri
∗∗2.0301#41 South Carolina at #42 Mississippi
∗∗1.9966#40 Indiana at #43 Michigan State
∗∗1.9768#9 Penn State at #43 Nebraska
∗∗1.8832#20 Memphis at #47 Navy
∗∗1.7147#54 Wake Forest at #20 North Carolina
∗∗1.7045#27 Baylor at #54 Texas Tech
∗∗1.6806#50 Northwestern at #53 Purdue
∗∗1.6806#53 Florida State at #50 North Carolina State
∗∗1.6795#27 Pittsburgh at #55 Georgia Tech
∗∗1.6513#57 Temple at #14 UCF
∗∗1.5711#48 Army at #57 Tulane
1.4483#36 SMU at #63 Tulsa
1.3386#2 Ohio State at #70 Maryland
1.3142#69 Vanderbilt at #25 Kentucky
1.2929#71 Arkansas at #10 Florida
1.2408#66 Coastal Carolina at #59 Troy
1.1277#71 South Florida at #53 Houston
1.0934#76 East Carolina at #23 Cincinnati
1.0362#77 South Alabama at #29 UL Lafayette
1.0213#77 Georgia State at #33 Appalachian State
1.0115#50 Florida Atlantic at #75 Florida Intl (Fri)
0.8492#78 Rice at #57 Louisiana Tech
0.8058#78 North Texas at #62 UAB
0.7643#78 Southern Miss at #66 Western Kentucky
0.5530#86 Middle Tenn State at #36 Marshall
0.5431#61 Illinois at #84 Rutgers
0.4930#86 UL Monroe at #50 Arkansas State
0.4898#84 Texas State at #67 Georgia Southern
0.1013#89 UTEP at #80 Texas-San Antonio
19 NovRBIFGame
∗∗∗2.7030#18 Iowa at #9 Penn State
∗∗∗2.6719#19 Oklahoma State at #10 Oklahoma
∗∗∗2.5519#23 Cincinnati at #14 UCF
∗∗2.4941#25 Virginia Tech at #27 Pittsburgh
∗∗2.4175#25 Kentucky at #4 Alabama
∗∗2.3638#28 Tennessee at #11 Auburn
∗∗2.0888#38 Mississippi State at #5 Georgia
∗∗2.0613#40 Missouri at #41 South Carolina
∗∗2.0405#40 Indiana at #2 Ohio State
∗∗2.0048#42 Mississippi at #17 Texas A&M
∗∗1.9343#45 Kansas State at #37 Iowa State
∗∗1.8181#9 Wisconsin at #50 Northwestern
∗∗1.7553#3 Clemson at #53 Florida State
∗∗1.7350#53 Purdue at #23 Minnesota
∗∗1.7147#53 Houston at #36 SMU
∗∗1.6778#55 Georgia Tech at #28 Miami-Florida
1.4782#61 Illinois at #43 Nebraska
1.4341#63 Syracuse at #40 Louisville (Fri)
1.4261#54 Wake Forest at #61 Duke
1.3752#33 Appalachian State at #66 Coastal Carolina
1.3515#10 Florida at #69 Vanderbilt
1.3473#57 Tulane at #63 Tulsa
1.3054#4 LSU at #71 Arkansas
1.3014#66 Liberty at #50 North Carolina State
1.2825#67 Georgia Southern at #48 Army
1.2165#43 Michigan State at #70 Maryland
1.1643#47 Navy at #71 South Florida
1.0092#77 UNC-Charlotte at #36 Marshall
0.9257#76 East Carolina at #57 Temple
0.9176#12 Texas at #81 Kansas
0.8757#75 Florida Intl at #66 Western Kentucky
0.7495#15 Michigan at #84 Rutgers
0.6329#77 Georgia State at #77 South Alabama
0.6166#50 Arkansas State at #84 Texas State
0.5764#78 Rice at #78 North Texas
0.5047#80 Texas-San Antonio at #78 Southern Miss
0.4538#86 UL Monroe at #57 Louisiana Tech
0.4411#86 Middle Tenn State at #59 Troy
0.2027#62 UAB at #89 UTEP
26 NovRBIFGame
∗∗∗2.9802#11 Auburn at #4 Alabama
∗∗∗2.8482#9 Penn State at #15 Michigan
∗∗∗2.6868#4 LSU at #17 Texas A&M
∗∗∗2.6013#7 Notre Dame at #20 North Carolina (Fri)
∗∗∗2.5110#23 Minnesota at #9 Wisconsin
∗∗2.4514#25 Kentucky at #10 Florida
∗∗2.3568#27 Pittsburgh at #3 Clemson
∗∗2.1229#37 Iowa State at #12 Texas
∗∗2.0952#10 Oklahoma at #38 West Virginia
∗∗2.0853#40 Louisville at #36 Boston College (Fri)
∗∗2.0256#38 Mississippi State at #42 Mississippi
∗∗2.0202#5 Georgia at #41 South Carolina
∗∗1.9807#43 Nebraska at #18 Iowa
∗∗1.9328#45 Kansas State at #27 Baylor
∗∗1.7852#50 Northwestern at #43 Michigan State
∗∗1.7201#33 Virginia at #53 Florida State
∗∗1.7160#54 Texas Tech at #19 Oklahoma State
∗∗1.7029#28 Miami-Florida at #54 Wake Forest
∗∗1.6420#20 Memphis at #57 Tulane
∗∗1.6369#23 Cincinnati at #57 Temple
∗∗1.5732#2 Ohio State at #61 Illinois
∗∗1.5642#59 Troy at #33 Appalachian State
1.4201#61 Duke at #55 Georgia Tech
1.3896#50 North Carolina State at #63 Syracuse
1.3729#63 Tulsa at #53 Houston
1.3051#28 Tennessee at #69 Vanderbilt
1.2837#14 UCF at #71 South Florida (Fri)
1.2303#70 Maryland at #40 Indiana
1.1990#71 Arkansas at #40 Missouri
1.0467#36 SMU at #76 East Carolina
0.9621#57 Louisiana Tech at #75 Florida Intl
0.9374#77 South Alabama at #50 Arkansas State
0.8559#32 TCU at #81 Kansas
0.8058#78 Southern Miss at #62 UAB (Fri)
0.8025#66 Western Kentucky at #77 UNC-Charlotte
0.7908#67 Georgia Southern at #77 Georgia State
0.5990#84 Rutgers at #53 Purdue
0.5765#29 UL Lafayette at #86 UL Monroe
0.5047#78 North Texas at #80 Texas-San Antonio
0.4995#66 Coastal Carolina at #84 Texas State
0.4930#50 Florida Atlantic at #86 Middle Tenn State
0.1156#89 UTEP at #78 Rice
3 DecRBIFGame
∗∗∗2.7773#17 Texas A&M at #11 Auburn
∗∗2.4152#20 North Carolina at #28 Miami-Florida
∗∗2.4125#3 Clemson at #25 Virginia Tech
∗∗2.3889#27 Baylor at #10 Oklahoma
∗∗2.3590#10 Florida at #28 Tennessee
∗∗2.2791#19 Oklahoma State at #32 TCU
∗∗2.2082#36 Boston College at #33 Virginia
∗∗2.1547#38 West Virginia at #37 Iowa State
∗∗2.0900#40 Missouri at #38 Mississippi State
∗∗2.0464#40 Indiana at #9 Wisconsin
∗∗2.0379#41 South Carolina at #25 Kentucky
∗∗1.9972#42 Mississippi at #4 LSU
∗∗1.9743#2 Ohio State at #43 Michigan State
∗∗1.9314#12 Texas at #45 Kansas State
∗∗1.8083#50 Northwestern at #23 Minnesota
∗∗1.6999#43 Nebraska at #53 Purdue
∗∗1.6794#54 Wake Forest at #40 Louisville
∗∗1.6213#55 Georgia Tech at #50 North Carolina State
∗∗1.5469#18 Iowa at #61 Illinois
∗∗1.5167#63 Syracuse at #7 Notre Dame
1.4318#53 Florida State at #61 Duke
1.3615#69 Vanderbilt at #5 Georgia
1.3112#70 Maryland at #15 Michigan
1.3054#4 Alabama at #71 Arkansas
1.1743#66 Liberty at #66 Coastal Carolina
0.7641#9 Penn State at #84 Rutgers
0.7438#81 Kansas at #54 Texas Tech
0.4411#86 UL Monroe at #59 Troy
10 DecRBIFGame
∗∗∗2.7457#15 Michigan at #2 Ohio State
∗∗∗2.7030#9 Wisconsin at #18 Iowa
∗∗2.2737#33 Virginia at #25 Virginia Tech
∗∗1.9834#23 Minnesota at #43 Nebraska
∗∗1.9768#43 Michigan State at #9 Penn State
∗∗1.8396#48 Army vs #47 Navy (Philadelphia, PA)
∗∗1.7067#53 Purdue at #40 Indiana
1.4475#61 Illinois at #50 Northwestern
0.4582#84 Rutgers at #70 Maryland

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