A Solution for the complete AMPL Specification,
Computed by Integer Local Search, WSAT(OIP)

Joachim P. Walser, 10/6/98

WSAT(OIP), V1.90 (c) 1997 J.P. Walser, Universitaet des Saarlandes
[  max-moves=2000000, max-tries=1000, seed=573422
   p(noise)=0.01000, p(zero)=0.900, p(hard)=1.000 [relative]
   objective lower bound: none
   hillclimb: minimize total score
   tabu list length: 2, score aspiration on
   cycle detection length: 0
   maximum trigger of FD variables: 2
   history mechanism by i) frequency ii) recency: on
     (no history in noise branch)   ]
The problem has 1773 variables (0 finite domain) and 3479 clauses (0 soft).

[...]

Te \ We     1     2     3     4     5     6     7     8     9    10    11    12    13    14    15    16    17    18
  Clem:     +   UNC     +   FSU  Duke     +  Wake   UVA     +     +   Bye    GT     +     +   UMD     +  NCSt   Bye
  Duke:   UMD     +     +    GT     +   FSU   Bye     +  NCSt     +   UNC  Wake     +  Clem     +   Bye   UVA     +
   FSU:     +  Wake  NCSt     +   Bye     +   UVA   UNC     +   UMD     +     +  Clem   Bye  Duke     +     +    GT
    GT:     +   UVA  Clem     +   UMD   Bye     +  NCSt     +  Wake   FSU     +  Duke     +   Bye   UNC     +     +
   UMD:     +   Bye   UNC     +     +  Clem     +  Duke   Bye     +   UVA     +  Wake    GT     +  NCSt   FSU     +
   UNC:   FSU     +     +   UVA     +     +    GT     +  Clem   Bye     +   UMD     +  NCSt  Wake     +   Bye  Duke
  NCSt:    GT  Duke     +   Bye   UNC     +   UMD     +     +  Clem     +   FSU   Bye     +   UVA     +     +  Wake
   UVA:  Clem     +   Bye     +  Wake  NCSt     +     +    GT  Duke     +   Bye   UNC     +     +   FSU     +   UMD
  Wake:   Bye     +  Duke   UMD     +   UNC     +   Bye   FSU     +  NCSt     +     +   UVA     +  Clem    GT     +

Schreuder table:
  |  1  2  3  4  5  6  7  8  9  0  1  2  3  4  5  6  7  8 
--+------------------------------------------------------
1 | +8 -6 +4 -3 -2 +5 -9 -8 +6 +7  0 -4 +3 +2 -5 +9 -7  0 
2 | -5 +7 +9 -4 +1 -3  0 +5 -7 +8 -6 -9 +4 -1 +3  0 -8 +6 
3 | +6 -9 -7 +1  0 +2 -8 -6 +9 -5 +4 +7 -1  0 -2 +8 +5 -4 
4 | +7 -8 -1 +2 -5  0 +6 -7 +8 -9 -3 +1 -2 +5  0 -6 +9 +3 
5 | +2  0 -6 +9 +4 -1 +7 -2  0 +3 -8 +6 -9 -4 +1 -7 -3 +8 
6 | -3 +1 +5 -8 +7 +9 -4 +3 -1  0 +2 -5 +8 -7 -9 +4  0 -2 
7 | -4 -2 +3  0 -6 +8 -5 +4 +2 -1 +9 -3  0 +6 -8 +5 +1 -9 
8 | -1 +4  0 +6 -9 -7 +3 +1 -4 -2 +5  0 -6 +9 +7 -3 +2 -5 
9 |  0 +3 -2 -5 +8 -6 +1  0 -3 +4 -7 +2 +5 -8 +6 -1 -4 +7 

Statistics:
Length 3 or more Home (Bye=Away): 0
HB3: Length 3 or more Home (Bye=Home): 3
AB3:Length 3 or more Away (Bye=Away): 1
HB3w: 3 consecutive weekends at home (Bye=Home): 5
AB3w: 3 consecutive weekends away (Bye=Away): 4
Teams starting Away/Away: 1
Teams ending Away/Away: 0
Consecutive Duke/UNC A/A: should be 0
Consecutive Duke/UNC/Wake: should be 0
A rounds: 4, B rounds: 4, bad rounds: 0