diff --git a/tests/test_score_MT/results_true.dat b/tests/test_score_MT/results_true.dat
index 248f6657d0..4b1c1af26c 100644
--- a/tests/test_score_MT/results_true.dat
+++ b/tests/test_score_MT/results_true.dat
@@ -33,3 +33,69 @@ tally 1:
 2.080857E-09
 6.101318E-02
 8.452067E-04
+tally 2:
+0.000000E+00
+0.000000E+00
+0.000000E+00
+0.000000E+00
+0.000000E+00
+0.000000E+00
+0.000000E+00
+0.000000E+00
+0.000000E+00
+0.000000E+00
+0.000000E+00
+0.000000E+00
+3.000000E-01
+2.440000E-02
+0.000000E+00
+0.000000E+00
+0.000000E+00
+0.000000E+00
+0.000000E+00
+0.000000E+00
+4.000000E-02
+6.000000E-04
+0.000000E+00
+0.000000E+00
+0.000000E+00
+0.000000E+00
+0.000000E+00
+0.000000E+00
+0.000000E+00
+0.000000E+00
+0.000000E+00
+0.000000E+00
+tally 3:
+0.000000E+00
+0.000000E+00
+0.000000E+00
+0.000000E+00
+0.000000E+00
+0.000000E+00
+0.000000E+00
+0.000000E+00
+5.724026E-03
+1.684945E-05
+5.724026E-03
+1.684945E-05
+3.250298E-01
+2.370870E-02
+1.083784E+00
+2.568556E-01
+4.449887E-05
+1.980149E-09
+4.449887E-05
+1.980149E-09
+3.526275E-02
+2.863085E-04
+1.417358E-02
+4.375519E-05
+0.000000E+00
+0.000000E+00
+0.000000E+00
+0.000000E+00
+5.106469E-05
+8.605176E-10
+6.204277E-02
+8.555398E-04
diff --git a/tests/test_score_MT/tallies.xml b/tests/test_score_MT/tallies.xml
index ef7ff8dd82..5e66ae929e 100644
--- a/tests/test_score_MT/tallies.xml
+++ b/tests/test_score_MT/tallies.xml
@@ -6,4 +6,16 @@
     <scores>n2n 16 51 102</scores>
   </tally>
 
-</tallies>
\ No newline at end of file
+  <tally id="2">
+    <filter type="cell" bins="10 21 22 23" />
+    <scores>n2n 16 51 102</scores>
+    <estimator>analog</estimator>
+  </tally>
+
+  <tally id="3">
+    <filter type="cell" bins="10 21 22 23" />
+    <scores>n2n 16 51 102</scores>
+    <estimator>collision</estimator>
+  </tally>
+
+</tallies>
diff --git a/tests/test_score_absorption/results_true.dat b/tests/test_score_absorption/results_true.dat
index bacbf26a37..9370a146f5 100644
--- a/tests/test_score_absorption/results_true.dat
+++ b/tests/test_score_absorption/results_true.dat
@@ -18,3 +18,12 @@ tally 2:
 0.000000E+00
 4.000000E-01
 4.240000E-02
+tally 3:
+0.000000E+00
+0.000000E+00
+1.990713E+00
+8.557870E-01
+1.427399E-02
+4.420707E-05
+2.968053E-01
+1.960663E-02
diff --git a/tests/test_score_absorption/tallies.xml b/tests/test_score_absorption/tallies.xml
index 8cbcef251c..8b2dc29314 100644
--- a/tests/test_score_absorption/tallies.xml
+++ b/tests/test_score_absorption/tallies.xml
@@ -12,4 +12,10 @@
     <scores>absorption</scores>
   </tally>
 
-</tallies>
\ No newline at end of file
+  <tally id="3">
+    <filter type="cell" bins="10 21 22 23" />
+    <estimator>collision</estimator>
+    <scores>absorption</scores>
+  </tally>
+
+</tallies>
diff --git a/tests/test_score_fission/results_true.dat b/tests/test_score_fission/results_true.dat
index 904c0d8895..86b31aaafd 100644
--- a/tests/test_score_fission/results_true.dat
+++ b/tests/test_score_fission/results_true.dat
@@ -18,3 +18,12 @@ tally 2:
 0.000000E+00
 9.923196E-01
 2.067216E-01
+tally 3:
+9.036254E-01
+1.746552E-01
+0.000000E+00
+0.000000E+00
+0.000000E+00
+0.000000E+00
+9.912744E-01
+2.192705E-01
diff --git a/tests/test_score_fission/tallies.xml b/tests/test_score_fission/tallies.xml
index d56614bdfa..a8b57f9116 100644
--- a/tests/test_score_fission/tallies.xml
+++ b/tests/test_score_fission/tallies.xml
@@ -12,4 +12,10 @@
     <scores>fission</scores>
   </tally>
 
-</tallies>
\ No newline at end of file
+  <tally id="3">
+    <filter type="cell" bins="21 22 23 27" />
+    <estimator>collision</estimator>
+    <scores>fission</scores>
+  </tally>
+
+</tallies>
diff --git a/tests/test_score_flux/results_true.dat b/tests/test_score_flux/results_true.dat
index 31e1d92926..31ca238d48 100644
--- a/tests/test_score_flux/results_true.dat
+++ b/tests/test_score_flux/results_true.dat
@@ -13,3 +13,29 @@ tally 1:
 2.880575E+01
 5.605671E+01
 6.804062E+02
+tally 2:
+3.077754E+01
+2.017424E+02
+1.172238E+01
+3.139127E+01
+5.231699E+01
+5.870469E+02
+3.259142E+01
+2.336719E+02
+1.040924E+01
+2.432332E+01
+5.709679E+01
+6.978668E+02
+tally 3:
+3.077754E+01
+2.017424E+02
+1.172238E+01
+3.139127E+01
+5.231699E+01
+5.870469E+02
+3.259142E+01
+2.336719E+02
+1.040924E+01
+2.432332E+01
+5.709679E+01
+6.978668E+02
diff --git a/tests/test_score_flux/tallies.xml b/tests/test_score_flux/tallies.xml
index 30bef71741..bcde40c75d 100644
--- a/tests/test_score_flux/tallies.xml
+++ b/tests/test_score_flux/tallies.xml
@@ -6,4 +6,16 @@
     <scores>flux</scores>
   </tally>
 
-</tallies>
\ No newline at end of file
+  <tally id="2">
+    <filter type="cell" bins="21 22 23 27 28 29" />
+    <scores>flux</scores>
+    <estimator>analog</estimator>
+  </tally>
+
+  <tally id="3">
+    <filter type="cell" bins="21 22 23 27 28 29" />
+    <scores>flux</scores>
+    <estimator>collision</estimator>
+  </tally>
+
+</tallies>
diff --git a/tests/test_score_flux_yn/results_true.dat b/tests/test_score_flux_yn/results_true.dat
index 2e5df97cf4..937f810ea6 100644
--- a/tests/test_score_flux_yn/results_true.dat
+++ b/tests/test_score_flux_yn/results_true.dat
@@ -446,3 +446,869 @@ tally 2:
 1.093913E-01
 2.235961E-01
 5.449263E-02
+tally 3:
+3.077754E+01
+2.017424E+02
+-4.040800E-01
+5.606719E-01
+-5.238239E-01
+4.460714E-01
+1.155164E-01
+1.686786E-01
+-1.972294E-01
+2.912851E-01
+4.908524E-01
+1.374195E-01
+-1.467088E-02
+1.080839E-01
+6.749037E-02
+1.397361E-01
+4.136479E-03
+9.237632E-02
+-3.742305E-01
+9.917374E-02
+5.374208E-01
+2.530961E-01
+2.270996E-01
+9.415721E-02
+-4.568867E-02
+1.277446E-01
+1.581716E-01
+6.217155E-02
+4.667840E-01
+1.143380E-01
+9.684270E-02
+7.302998E-02
+8.366629E-01
+1.797483E-01
+-5.657893E-01
+2.553910E-01
+-2.351441E-02
+4.395513E-02
+7.843306E-01
+1.466478E-01
+4.617856E-02
+1.154681E-02
+1.431343E-01
+3.531062E-02
+4.625825E-01
+6.235642E-02
+-8.837342E-02
+6.231694E-02
+-3.766755E-01
+6.412261E-02
+1.995226E-01
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+-2.498625E-02
+8.897536E-02
+-1.039315E-01
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+5.805639E-02
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+9.878354E-02
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+tally 4:
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+-5.657893E-01
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+-2.351441E-02
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+-2.498625E-02
+8.897536E-02
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+1.603677E-01
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+-2.389983E-01
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+-1.057733E+00
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diff --git a/tests/test_score_flux_yn/tallies.xml b/tests/test_score_flux_yn/tallies.xml
index 71301d0e7f..e9f08bd4e6 100644
--- a/tests/test_score_flux_yn/tallies.xml
+++ b/tests/test_score_flux_yn/tallies.xml
@@ -10,5 +10,17 @@
     <filter type="cell" bins="21 22 23 27 28 29" />
     <scores>flux-y5</scores>
   </tally>
+  
+  <tally id="3">
+    <filter type="cell" bins="21 22 23 27 28 29" />
+    <scores>flux-y5</scores>
+    <estimator>analog</estimator>
+  </tally>
+  
+  <tally id="4">
+    <filter type="cell" bins="21 22 23 27 28 29" />
+    <scores>flux-y5</scores>
+    <estimator>collision</estimator>
+  </tally>
 
 </tallies>
diff --git a/tests/test_score_kappafission/results_true.dat b/tests/test_score_kappafission/results_true.dat
index dadcdd281b..e992b4b682 100644
--- a/tests/test_score_kappafission/results_true.dat
+++ b/tests/test_score_kappafission/results_true.dat
@@ -9,3 +9,21 @@ tally 1:
 0.000000E+00
 2.035912E+02
 8.999693E+03
+tally 2:
+1.765331E+02
+6.974050E+03
+0.000000E+00
+0.000000E+00
+0.000000E+00
+0.000000E+00
+1.938441E+02
+7.888708E+03
+tally 3:
+1.770125E+02
+6.702714E+03
+0.000000E+00
+0.000000E+00
+0.000000E+00
+0.000000E+00
+1.942246E+02
+8.416720E+03
diff --git a/tests/test_score_kappafission/tallies.xml b/tests/test_score_kappafission/tallies.xml
index 1b63fdeeb2..8fe5d5c842 100644
--- a/tests/test_score_kappafission/tallies.xml
+++ b/tests/test_score_kappafission/tallies.xml
@@ -6,4 +6,16 @@
     <scores>kappa-fission</scores>
   </tally>
 
-</tallies>
\ No newline at end of file
+  <tally id="2">
+    <filter type="cell" bins="21 22 23 27" />
+    <scores>kappa-fission</scores>
+    <estimator>analog</estimator>
+  </tally>
+
+  <tally id="3">
+    <filter type="cell" bins="21 22 23 27" />
+    <scores>kappa-fission</scores>
+    <estimator>collision</estimator>
+  </tally>
+
+</tallies>
diff --git a/tests/test_score_nufission/results_true.dat b/tests/test_score_nufission/results_true.dat
index 5d0b44662e..33c4ff9fbc 100644
--- a/tests/test_score_nufission/results_true.dat
+++ b/tests/test_score_nufission/results_true.dat
@@ -9,3 +9,21 @@ tally 1:
 0.000000E+00
 2.733038E+00
 1.616903E+00
+tally 2:
+2.296157E+00
+1.167084E+00
+0.000000E+00
+0.000000E+00
+0.000000E+00
+0.000000E+00
+2.679940E+00
+1.498454E+00
+tally 3:
+2.381373E+00
+1.213497E+00
+0.000000E+00
+0.000000E+00
+0.000000E+00
+0.000000E+00
+2.607077E+00
+1.513932E+00
diff --git a/tests/test_score_nufission/tallies.xml b/tests/test_score_nufission/tallies.xml
index d3e6963f3c..2812a00b55 100644
--- a/tests/test_score_nufission/tallies.xml
+++ b/tests/test_score_nufission/tallies.xml
@@ -6,4 +6,16 @@
     <scores>nu-fission</scores>
   </tally>
 
-</tallies>
\ No newline at end of file
+  <tally id="2">
+    <filter type="cell" bins="21 22 23 27" />
+    <scores>nu-fission</scores>
+    <estimator>analog</estimator>
+  </tally>
+
+  <tally id="3">
+    <filter type="cell" bins="21 22 23 27" />
+    <scores>nu-fission</scores>
+    <estimator>collision</estimator>
+  </tally>
+
+</tallies>
diff --git a/tests/test_score_scatter/results_true.dat b/tests/test_score_scatter/results_true.dat
index 5f0ae8b1dd..21d7d83c27 100644
--- a/tests/test_score_scatter/results_true.dat
+++ b/tests/test_score_scatter/results_true.dat
@@ -9,3 +9,21 @@ tally 1:
 1.814004E+00
 4.059013E+01
 3.609499E+02
+tally 2:
+0.000000E+00
+0.000000E+00
+1.169000E+01
+2.915330E+01
+3.200000E+00
+2.342600E+00
+4.064000E+01
+3.595168E+02
+tally 3:
+0.000000E+00
+0.000000E+00
+1.172929E+01
+2.935812E+01
+3.185726E+00
+2.323517E+00
+4.074319E+01
+3.614902E+02
diff --git a/tests/test_score_scatter/tallies.xml b/tests/test_score_scatter/tallies.xml
index a4425c0f24..b6eb73b506 100644
--- a/tests/test_score_scatter/tallies.xml
+++ b/tests/test_score_scatter/tallies.xml
@@ -6,4 +6,16 @@
     <scores>scatter</scores>
   </tally>
 
-</tallies>
\ No newline at end of file
+  <tally id="2">
+    <filter type="cell" bins="10 21 22 23" />
+    <scores>scatter</scores>
+    <estimator>analog</estimator>
+  </tally>
+
+  <tally id="3">
+    <filter type="cell" bins="10 21 22 23" />
+    <scores>scatter</scores>
+    <estimator>collision</estimator>
+  </tally>
+
+</tallies>
diff --git a/tests/test_score_total/results_true.dat b/tests/test_score_total/results_true.dat
index f3aa5d89b1..e782fd9d04 100644
--- a/tests/test_score_total/results_true.dat
+++ b/tests/test_score_total/results_true.dat
@@ -9,3 +9,21 @@ tally 1:
 1.831649E+00
 4.088282E+01
 3.662539E+02
+tally 2:
+0.000000E+00
+0.000000E+00
+1.372000E+01
+4.018980E+01
+3.200000E+00
+2.342600E+00
+4.104000E+01
+3.668254E+02
+tally 3:
+0.000000E+00
+0.000000E+00
+1.372000E+01
+4.018980E+01
+3.200000E+00
+2.342600E+00
+4.104000E+01
+3.668254E+02
diff --git a/tests/test_score_total/tallies.xml b/tests/test_score_total/tallies.xml
index 815b84c145..02286f96c7 100644
--- a/tests/test_score_total/tallies.xml
+++ b/tests/test_score_total/tallies.xml
@@ -6,4 +6,16 @@
     <scores>total</scores>
   </tally>
 
-</tallies>
\ No newline at end of file
+  <tally id="2">
+    <filter type="cell" bins="10 21 22 23" />
+    <scores>total</scores>
+    <estimator>analog</estimator>
+  </tally>
+
+  <tally id="3">
+    <filter type="cell" bins="10 21 22 23" />
+    <scores>total</scores>
+    <estimator>collision</estimator>
+  </tally>
+
+</tallies>
diff --git a/tests/test_score_total_yn/results_true.dat b/tests/test_score_total_yn/results_true.dat
index bcfdb9080f..28a4b1627e 100644
--- a/tests/test_score_total_yn/results_true.dat
+++ b/tests/test_score_total_yn/results_true.dat
@@ -410,3 +410,805 @@ tally 2:
 3.130205E-02
 -3.695818E-01
 4.703480E-02
+tally 3:
+0.000000E+00
+0.000000E+00
+0.000000E+00
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diff --git a/tests/test_score_total_yn/tallies.xml b/tests/test_score_total_yn/tallies.xml
index ca5dcd2dcb..51cb79c395 100644
--- a/tests/test_score_total_yn/tallies.xml
+++ b/tests/test_score_total_yn/tallies.xml
@@ -11,5 +11,19 @@
     <scores>total-y4</scores>
     <nuclides>U-235 total</nuclides>
   </tally>
+  
+  <tally id="3">
+    <filter type="cell" bins="10 21 22 23" />
+    <scores>total-y4</scores>
+    <nuclides>U-235 total</nuclides>
+    <estimator>analog</estimator>
+  </tally>
+  
+  <tally id="4">
+    <filter type="cell" bins="10 21 22 23" />
+    <scores>total-y4</scores>
+    <nuclides>U-235 total</nuclides>
+    <estimator>collision</estimator>
+  </tally>
 
 </tallies>