diff --git a/rowers/interactiveplots.py b/rowers/interactiveplots.py
index 7f640cee..0fdb77c1 100644
--- a/rowers/interactiveplots.py
+++ b/rowers/interactiveplots.py
@@ -596,6 +596,94 @@ def googlemap_chart(lat,lon,name=""):
     return [script,div]
 			    
 
+def interactive_otwcpchart(powerdf,promember=0):
+    powerdf = powerdf[~(powerdf == 0).any(axis=1)]
+    # plot tools
+    if (promember==1):
+	TOOLS = 'save,pan,box_zoom,wheel_zoom,reset,tap,hover,resize,crosshair'
+    else:
+	TOOLS = 'pan,box_zoom,wheel_zoom,reset,tap,hover,crosshair'
+
+
+    x_axis_type = 'log'
+    y_axis_type = 'linear'
+
+    source = ColumnDataSource(
+        data = powerdf
+        )
+
+    # there is no Paul's law for OTW
+
+    # Fit the data to thee parameter CP model
+    fitfunc = lambda pars,x: pars[0]/(1+(x/pars[2])) + pars[1]/(1+(x/pars[3]))
+    errfunc = lambda pars,x,y: fitfunc(pars,x)-y
+    
+    p0 = [500,350,10,8000]
+
+    p1 = p0
+
+    thesecs = powerdf['Delta']
+    theavpower = powerdf['CP']
+
+    if len(thesecs)>=4:
+	p1, success = optimize.leastsq(errfunc, p0[:], args = (thesecs,theavpower))
+    else:
+	factor = fitfunc(p0,thesecs.mean())/theavpower.mean()
+	p1 = [p0[0]/factor,p0[1]/factor,p0[2],p0[3]]
+
+
+    fitt = pd.Series(10**(4*np.arange(100)/100.))
+
+    fitpower = fitfunc(p1,fitt)
+
+    message = ""
+    #if len(fitpower[fitpower<0]) > 0:
+	# message = "CP model fit didn't give correct results"
+
+
+    sourcecomplex = ColumnDataSource(
+        data = dict(
+            power = fitpower,
+            duration = fitt
+            )
+        )
+
+        # making the plot
+    plot = Figure(tools=TOOLS,x_axis_type=x_axis_type,
+		  plot_width=900,
+		  toolbar_location="above",
+		  toolbar_sticky=False)
+
+    # add watermark
+    plot.extra_y_ranges = {"watermark": watermarkrange}
+
+    plot.image_url([watermarkurl],1.8*max(thesecs),watermarky,
+                   watermarkw,watermarkh,
+                   global_alpha=watermarkalpha,
+                   w_units='screen',
+                   h_units='screen',
+                   anchor=watermarkanchor,
+                   dilate=True,
+                   y_range_name = "watermark",
+                   )
+
+    plot.circle('Delta','CP',source=source,fill_color='red',size=15,
+		legend='Power')
+    plot.xaxis.axis_label = "Duration (seconds)"
+    plot.yaxis.axis_label = "Power (W)"
+
+    plot.y_range = Range1d(0,1.5*max(theavpower))
+    plot.x_range = Range1d(1,2*max(thesecs))
+    plot.legend.orientation = "vertical"
+
+
+    plot.line('duration','power',source=sourcecomplex,legend="CP Model",
+	      color='green')
+    
+    script, div = components(plot)
+
+    return [script,div,p1,message]
+
 def interactive_cpchart(thedistances,thesecs,theavpower,
 			theworkouts,promember=0):
 
diff --git a/rowers/templates/otwrankings.html b/rowers/templates/otwrankings.html
new file mode 100644
index 00000000..35b35865
--- /dev/null
+++ b/rowers/templates/otwrankings.html
@@ -0,0 +1,199 @@
+{% extends "base.html" %}
+{% load staticfiles %}
+{% load rowerfilters %}
+
+{% block title %}Workouts{% endblock %}
+
+{% block content %}
+
+	<script type="text/javascript" src="/static/js/bokeh-0.12.3.min.js"></script>
+	<script async="true" type="text/javascript">
+    Bokeh.set_log_level("info");
+	</script>
+
+	{{ interactiveplot |safe }}
+
+    <script>
+    // Set things up to resize the plot on a window resize. You can play with
+    // the arguments of resize_width_height() to change the plot's behavior.
+    var plot_resize_setup = function () {
+        var plotid = Object.keys(Bokeh.index)[0]; // assume we have just one plot
+        var plot = Bokeh.index[plotid];
+        var plotresizer = function() {
+            // arguments: use width, use height, maintain aspect ratio
+            plot.resize_width_height(true, true, false);
+        };
+        window.addEventListener('resize', plotresizer);
+        plotresizer();
+    };
+    window.addEventListener('load', plot_resize_setup);
+    </script>
+    <style>
+    /* Need this to get the page in "desktop mode"; not having an infinite height.*/
+    html, body {height: 100%; margin:5px;}
+    </style>
+
+
+<div id="title" class="grid_12 alpha">
+  <div class="grid_10 alpha">
+    {% if theuser %}
+    <h3>{{ theuser.first_name }}'s Ranking Pieces</h3>
+    {% else %}
+    <h3>{{ user.first_name }}'s Ranking Pieces</h3>
+    {% endif %}
+  </div>
+  <div class="grid_2 omega">
+    {% if user.is_authenticated and user|is_manager %}
+    <div class="grid_2 alpha dropdown">
+      <button class="grid_2 alpha button green small dropbtn">
+        Change Rower
+      </button>
+      <div class="dropdown-content">
+        {% for member in user|team_members %}
+        <a class="button green small" href="/rowers/{{ member.id }}/otw-bests/{{ startdate|date:"Y-m-d" }}/{{ enddate|date:"Y-m-d" }}">{{ member.first_name }} {{ member.last_name }}</a>
+        {% endfor %}
+    </div>
+    {% else %}
+    &nbsp;
+    {% endif %}
+  </div>
+</div>
+
+<div id="summary" class="grid_6 alpha">
+	<p>Summary for {{ theuser.first_name }} {{ theuser.last_name }}
+		between {{ startdate|date }} and {{ enddate|date }}</p>
+
+	<p>Direct link for other users:
+	<a href="/rowers/{{ id }}/otw-bests/{{ startdate|date:"Y-m-d" }}/{{ enddate|date:"Y-m-d" }}">https://rowsandall.com/rowers/{{ id }}/otw-bests/{{ startdate|date:"Y-m-d" }}/{{ enddate|date:"Y-m-d" }}</a>
+	</p>
+
+<p>The table gives the best efforts achieved on the official Concept2 ranking pieces in the selected date range.</p>
+
+<p>This page will evolve and try to give you guidance on where to improve.</p>
+</div>
+<div id="form" class="grid_6 omega">
+	<p>Use this form to select a different date range:</p>
+	<p>
+	Select start and end date for a date range:
+	<div class="grid_4 alpha">
+
+	<form enctype="multipart/form-data" action="" method="post">
+
+        	<table>
+            	{{ dateform.as_table }}
+        	</table>
+        	{% csrf_token %}
+	</div>
+	<div class="grid_2 omega">
+        <input name='daterange' class="button green" type="submit" value="Submit">	</form>
+	</div>
+	<div class="grid_4 alpha">
+	<form enctype="multipart/form-data" action="" method="post">
+	Or use the last {{ deltaform }} days.
+	</div>
+	<div class="grid_2 omega">
+	{% csrf_token %}
+        <input name='datedelta' class="button green" type="submit" value="Submit">
+    	</form>
+	</div>
+</div>
+
+<div class="grid_12 alpha">
+
+<h2>Ranking Piece Results</h2>
+
+	{% if rankingworkouts %}
+
+	<table width="70%" class="listtable">
+	<thead>
+	<tr>
+		<th> Distance</th>
+		<th> Duration</th>
+		<th> Date</th>
+		<th> Avg HR </th>
+		<th> Max HR </th>
+		<th> Edit</th>
+	<tr>
+	</thead>
+	<tbody>
+	{% for workout in rankingworkouts %}
+		<tr>
+			<td> {{ workout.distance }} </td>
+			<td> {{ workout.duration |durationprint:"%H:%M:%S.%f" }} </td>
+			<td> {{ workout.date }} </td>
+			<td> {{ workout.averagehr }} </td>
+			<td> {{ workout.maxhr }} </td>
+			<td> 
+	<a href="/rowers/workout/{{ workout.id }}/edit">{{ workout.name }}</a> </td>
+
+		</tr>
+	
+			{% endfor %}
+		</tbody>
+		</table>
+	{% else %}
+		<p> No ranking workouts found </p>
+	{% endif %}
+
+</div>
+
+
+<div id="theplot" class="grid_12 alpha">
+
+<h2>Critical Power Plot</h2>
+
+    {{ the_div|safe }}
+
+</div>
+
+<div id="predictions" class="grid_12 alpha">
+<h2>Pace predictions for Ranking Pieces</h2>
+
+<p>Add non-ranking piece using the form. The piece will be added in the prediction tables below. </p>
+<div class="grid_4 alpha">
+    <form enctype="multipart/form-data" action="{{ formloc }}" method="post">
+	{{ form.value }} {{ form.pieceunit }}	
+	
+        {% csrf_token %}
+</div>
+<div class="grid_2 suffix_6 omega">
+        <input name="piece" class="button green" 
+	formaction="/rowers/{{ id }}/otw-bests/{{ startdate|date:"Y-m-d" }}/{{ enddate|date:"Y-m-d" }}"
+	type="submit" value="Add">
+    </form>
+</div>
+
+
+
+<div id="paul" class="grid_6 alpha">
+   No Paul Data
+</div>
+<div id="cpmodel" class="grid_6 omega">
+  <h3>CP Model</h3>
+  <table width="70%" class="listtable">
+    <thead>
+      <tr>
+	<th> Duration</th>
+	<th> Power </th>
+      <tr>
+    </thead>
+    <tbody>
+      {% for pred in cpredictions %}
+      <tr>
+	{% for key, value in pred.items %}
+	{% if key == "power" %}
+	<td> {{ value }} W </td>
+	{% endif %}
+	{% if key == "duration" %}
+	<td> {{ value |deltatimeprint }} </td>
+	{% endif %}
+	{% endfor %}
+      </tr>
+      {% endfor %}
+    </tbody>
+  </table>
+  
+</div>
+</div>
+
+{% endblock %}
diff --git a/rowers/views.py b/rowers/views.py
index 922ba101..fc15ea5e 100644
--- a/rowers/views.py
+++ b/rowers/views.py
@@ -2938,15 +2938,14 @@ def otwrankings_view(request,theuser=0,
 
 
     # create interactive plot
-    if len(thedistances) !=0 :
-	res = interactive_cpchart(thedistances,thesecs,theavpower,
-				  theworkouts,promember=promember)
+    if len(powerdf) !=0 :
+	res = interactive_otwcpchart(powerdf)
 	script = res[0]
 	div = res[1]
-	paulslope = res[2]
-	paulintercept = res[3]
-	p1 = res[4]
-	message = res[5]
+	p1 = res[2]
+        paulslope = 1
+        paulintercept = 1
+	message = res[3]
     else:
 	script = ''
 	div = '<p>No ranking pieces found.</p>'
@@ -2983,23 +2982,6 @@ def otwrankings_view(request,theuser=0,
 	t += rankingduration.second
 	t += rankingduration.microsecond/1.e6
 
-	# Paul's model
-	ratio = paulintercept/paulslope
-
-	u = ((2**(2+ratio))*(5.**(3+ratio))*t*np.log(10))/paulslope
-
-	d = 500*t*np.log(10.)
-	d = d/(paulslope*lambertw(u))
-	d = d.real
-
-	velo = d/t
-	p = 500./velo
-	pwr = 2.8*(velo**3)
-	a = {'distance':int(d),
-	     'duration':timedeltaconv(t),
-	     'pace':timedeltaconv(p),
-	     'power':int(pwr)}
-	predictions.append(a)
 
 	# CP model
 	pwr = p1[0]/(1+t/p1[2])
@@ -3008,28 +2990,20 @@ def otwrankings_view(request,theuser=0,
 	if pwr <= 0:
 	    pwr = 50.
 
-	velo = (pwr/2.8)**(1./3.)
-
-	if np.isnan(velo) or velo <=0:
-	    velo = 1.0
-	
-	d = t*velo
-	p = 500./velo
-	a = {'distance':int(d),
-	     'duration':timedeltaconv(t),
-	     'pace':timedeltaconv(p),
-	     'power':int(pwr)}
+	a = {
+	    'duration':timedeltaconv(t),
+	    'power':int(pwr)}
 	cpredictions.append(a)
 
+        print cpredictions
 
     messages.error(request,message)
-    return render(request, 'rankings.html',
+    return render(request, 'otwrankings.html',
 		  {'rankingworkouts':theworkouts,
 		   'interactiveplot':script,
 		   'the_div':div,
 		   'predictions':predictions,
 		   'cpredictions':cpredictions,
-		   'nrdata':len(thedistances),
 		   'form':form,
 		   'dateform':dateform,
 		   'deltaform':deltaform,