// add expected successive moves to show likely outcome.
moveList = addSuccessiveMoves(moveList, lastNode);
}
GameContext.log(3, "chainlen before="+chainLength+" after="+moveList.size());
chainLength = moveList.size();
viewer.showMoveSequence( moveList, oldChainLength_, lastNode.getChildMoves() );
// remember the old chain magnitude so we know how much to back up next time
oldChainLength_ = chainLength;
// we should throw an event instead of have this dependency.