<?xml version="1.0"?>
<!DOCTYPE tablebase SYSTEM "tablebase.dtd">

<tablebase index="simple">
   <move-restriction color="white" type="discard"/>
   <move-restriction color="black" type="concede"/>
   <pieces>
      <mobile color="white" type="king" location="e1 f1 g1 h1 e2 f2 g2 h2 e3 f3 g3 h3"/>
      <mobile color="black" type="king"/>
      <mobile color="white" type="rook" location="e3 g3"/>
      <mobile color="black" type="queen"/>
      <mobile color="white" type="pawn" location="f2"/>
      <mobile color="black" type="pawn" location="g6 g5 g4 g3"/>
   </pieces>
   <!-- if black advances his pawn to g3 and white takes with his king or rook -->
   <futurebase filename="fortress1.htb" type="capture"/>
   <!-- if black takes white's rook -->
   <futurebase filename="fortress2.htb" type="capture"/>
   <!-- if black takes white's pawn -->
   <futurebase filename="fortress3.htb" type="capture"/>
   <!-- if white takes black's queen -->
   <futurebase filename="fortress4.htb" type="capture"/>
</tablebase>
