<div>This tournament consists of four players&nbsp;<span class="ltx_Math" contenteditable="false" data-equation="a,b,c">\(a,b,c\)</span>&nbsp;and&nbsp;<span class="ltx_Math" contenteditable="false" data-equation="d.">\(d.\)</span>&nbsp;Notice that in the tournament creates a direct Hamiltonian path going through each vertex where&nbsp;<span class="ltx_Math" contenteditable="false" data-equation="A\rightarrow B\rightarrow C\rightarrow D.">\(A\rightarrow B\rightarrow C\rightarrow D.\)</span><br></div>