Iagno Computer player takes a long time to move later in the game

In Iagno, the Level 1 computer player sometimes takes a long time to move late in the game. For example, in my current game, the computer player (as white) was moving quickly until the board looked like this:
xxoboxxx
xxobbxxx
xxoboboo
oxoboboo
oobooooo
xbbbboox
bbbbbbbx
(where x indicates an empty space, o indicates a white piece, and b indicates a black piece).
At this point, the computer took several minutes to make a move (on f7). Is this normal?

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: iagno 1:3.4.1-0ubuntu2.2
ProcVersionSignature: Ubuntu 3.2.0-55.85-generic 3.2.51
Uname: Linux 3.2.0-55-generic i686
NonfreeKernelModules: wl nvidia
ApportVersion: 2.0.1-0ubuntu17.6
Architecture: i386
Date: Sat Nov 23 14:45:02 2013
MarkForUpload: True
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: gnome-games
UpgradeStatus: Upgraded to precise on 2012-05-28 (543 days ago)