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integer-programming-project's Introduction

SwissChessPairingSystem

Creation of an Integer Program that determines pairings and colors assigned to players in a swiss chess tournament.

Files:

  1. optimization.ipynb is a jupyter notebook which explains each part of the project.
  2. docs folder contains more detailed information about the formulation of the mixed integer linear program, how logical constraints were created, etc.
  3. input folder contains the data from the previous 7 chess rounds includes scores of players, games played, etc.

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integer-programming-project's Issues

AttributeError: Unable to retrieve attribute 'x'

Cannot run demo as I keep getting: AttributeError: Unable to retrieve attribute 'x' in:

Cell In[48], [line 6](vscode-notebook-cell:?execution_count=48&line=6) [4](vscode-notebook-cell:?execution_count=48&line=4) pair = [] [5](vscode-notebook-cell:?execution_count=48&line=5) for i in I: ----> [6](vscode-notebook-cell:?execution_count=48&line=6) if x[i, j].x == 1: [7](vscode-notebook-cell:?execution_count=48&line=7) pair.append(i) [8](vscode-notebook-cell:?execution_count=48&line=8) pair.append(j)

I guess error is due because I don't have a valid Gurobi license.

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