2012 International

1. Senate-Aires +10.50%
2. Kentucky Vocal Union +3.72%
3. Central Standard +3.26%
4. Pathfinder Chorus +2.29%
5. Music City Chorus +2.19%
6. The Big Orange +1.60%
7. Tidelanders +1.41%
8. Voices in Harmony +1.23%
9. Great Northern Union +0.92%
10. Sound of Illinois +0.81%
11. Atlanta Vocal Project -0.28%
12. The Alliance -0.39%
13. Heart of America -3.60%
14. General Assembly -4.38%

2011 International

1. Sound of Illinois +3.45%
2. Central Standard +0.28%
3. Mountaintown Singers -0.04%
4. The Big Orange -0.45%
5. Heart of America -0.52%
6. Alexandria Harmonizers -0.63%
7. Music City Chorus -1.18%
8. Sound of the Rockies -1.30%
9. Senate-Aires -2.81%
10. The Northern Lights -3.15%
11. Circle City Sound -3.28%
12. Voices in Harmony -3.41%
13. The Alliance -3.48%
14. The Vocal Agenda -3.51%
15. Brothers in Harmony -11.01%

2010 International

1. The Northern Lights +4.29%
2. Senate-Aires +2.85%
3. Music City Chorus +2.54%
4. Midwest Vocal Express +1.94%
5. The Vocal Agenda +1.76%
6. Alexandria Harmonizers +1.25%
7. Mountaintown Singers +1.09%
8. Sound of the Rockies +0.91%
9. The Vocal Majority +0.83%
10. Sound of Illinois -0.59%
11. The Alliance -1.07%
12. Voices in Harmony -2.29%
13. New Tradition -3.69%
14. Southern Gateway -3.79%

2009 International

1. Saltaires +4.60%
2. Senate-Aires +3.95%
3. Sound of the Rockies +3.59%
4. The Alliance +3.53%
5. Ambassadors of Harmony +2.96%
6. Mountaintown Singers +2.68%
7. Alexandria Harmonizers +2.08%
8. Kentucky Vocal Union +1.49%
9. Heralds of Harmony +1.12%
10. Sound of Illinois +1.01%
11. Atlanta Vocal Project +0.88%
12. Midwest Vocal Express -0.12%
13. Voices in Harmony -0.96%
14. Spirit of Phoenix -1.96%
15. New Tradition -4.29%
16. The Vocal Agenda -5.63%
17. Heart of Texas Chorus -9.08%

2008 International

1. Alexandria Harmonizers +3.76%
2. Spirit of Phoenix +2.90%
3. Voices in Harmony +2.47%
4. The Vocal Agenda +1.87%
5. Atlanta Vocal Project +1.64%
6. The Alliance +0.85%
7. Heart of Texas Chorus +0.79%
8. Texas Millionaires +0.29%
9. The Big Apple Chorus +0.28%
10. Brothers in Harmony +0.13%
11. Tidelanders -0.12%
12. Ambassadors pf Harmony -0.25%
13. New Tradition -0.90%
14. Chorus of Cheasapeake -0.98%
15. West Towns Chorus -1.05%
16. Heart of America -1.24%
17. Sound of the Rockies -1.67%
18. Granite Statesmen -2.01%
19. Midwest Vocal Express -2.73%
20. Senate-Aires -3.96%
21. Heralds of Harmony -5.18%

2007 International

1. The Vocal Agenda +4.07%
2. Guardians of Harmony +2.93%
3. Heart of Texas Chorus +2.54%
4. Granite Statesmen +2.09%
5. Sound of the Rockies +1.70%
6. Atlanta Vocal Project +0.27%
7. West Towns Chorus -0.08%
8. The Big Apple Chorus -0.28%
9. Heart of America -0.70%
10. New Tradition -0.97%
11. The Northern Lights -1.65%
12. The Alliance -2.12%
13. Midwest Vocal Express -2.84%
14. MegaCity Chorus -3.75%
15. Alexandria Harmonizers -4.00%
16. Singing Buckeyes -6.19%

2006 International

1. Midwest Vocal Express +3.47%
2. Sound of the Rockies +0.57%
3. The Alliance -0.94%
4. The Northern Lights -1.12%
5. New Tradition -1.58%
6. Southern Gateway -2.16%
7. Great Northern Union -2.43%
8. Heart of America -2.64%
9. Granite Statesmen -3.18%
10. Heart of Texas Chorus -3.23%
11. Alexandria Harmonizers -3.41%
12. The Big Apple Chorus -4.23%
13. Saltaires -7.88%

2005 International

1. Granite Statesmen +6.37%
2. Saltaires +4.75%
3. Senate-Aires +3.93%
4. The Alliance +2.85%
5. Southern Gateway +2.85%
6. Sound of the Rockies +2.49%
7. Midwest Vocal Express +1.65%
8. The Northern Lights +1.39%
9. Heart of America +0.56%
10. New Tradition +0.41%
11. Great Northern Union 0.00%
12. Alexandria Harmonizers -0.59%
13. Heralds of Harmony -3.01%
14. The Big Chicken Chorus -8.13%

2004 International

1. Alexandria Harmonizers +4.39%
2. Ambassadors of Harmony +1.98%
3. Heralds of Harmony +1.25%
4. Great Northern Union +0.87%
5. Southern Gateway +0.12%
6. The Big Chicken Chorus +0.04%
7. Sound of the Rockies -0.31%
8. The Alliance -1.85%
9. The Northern Lights -1.98%
10. Tidelanders -2.18%
11. Midwest Vocal Express -3.04%
12. Senate-Aires -4.02%
13. Granite Statesmen -4.25%
14. Banks of the Wabash -4.53%

2003 International

1. The Alliance +5.51%
2. Ambassadors of Harmony +2.67%
3. Banks of the Wabash +2.53%
4. The Northern Lights +2.47%
5. Midwest Vocal Express +1.90%
6. Sounds of the Rockies +1.86%
7. Chorus of the Genesee +1.65%
8. Tidelanders +1.50%
9. Granite Statesmen -0.04%
10. Southern Gateway -0.08%
11. Great Northern Union -1.33%
12. Senate-Aires -1.87%
13. The Big Chicken Chorus -2.12%
14. Alexandria Harmonizers -3.10%
15. Heralds of Harmony -4.32%

2002 International

1. Senate-Aires +1.17%
2. The Alliance +0.97%
3. Granite Statesmen +0.93%
4. Chorus of the Genesee +0.54%
5. Southern Gateway +0.48%
6. Heralds of Harmony +0.16%
7. The Big Chicken Chorus -0.66%
8. Ambassadors of Harmony -0.67%
9. Saltaires -1.22%
10. Midwest Vocal Express -1.41%
11. The Northern Lights -1.67%
12. Alexandria Harmonizers -1.94%
13. Great Northern Union -2.69%
14. Great Lakes Chorus -3.76%
15. Great American Chorus -6.97%

2001 International

1. The Northern Lights +3.53%
2. Ambassadors of Harmony +0.94%
3. New Tradition +0.25%
4. Great Lakes Chorus -0.59%
5. Midwest Vocal Express -0.95%
6. Senate-Aires -1.00%
7. Great Northern Union -1.75%
8. Saltaires -2.16%
9. Singing Buckeyes -2.17%
10. Great American Chorus -2.26%
11. Heralds of Harmony -2.42%
12. Heart of Texas -2.76%
13. Granite Statesmen -3.05%
14. Big Chicken Chorus -3.06%
15. Pot O' Gold Chorus -3.51%
16. The Alliance Chorus -4.14%
17. Thoroughbreds -5.54%

2000 International

1. The Northern Lights +6.00%
2. Heralds of Harmony +3.77%
3. Senate-Aires +3.68%
4. Great Northern Union +3.27%
5. Singing Buckeyes +3.03%
6. Ambassadors of Harmony -0.41%
7. Saltaires -0.88%
8. Big Chicken Chorus -0.94%
9. Thoroughbreds -1.71%

1999 International

1. Saltaires +3.97%
2. Salem Senate-Aires +3.9272%
3. The Big Chicken Chorus +3.9269%
4. Singing Buckeyes +3.25%
5. Chorus of the Genesee +2.51%
6. Great Northern Union +2.28%
7. Louisville Times Chorus +0.70%
8. The Phoenicians +0.63%
9. American BarberBoys -0.48%
10. Ambassadors of Harmony -2.78%

The 2nd and 3rd placings were separated by going into four decimal places.

1998 International

1. Ambassadors of Harmony -0.47%
2. Saltaires -0.98%
3. Chorus of the Genesee -1.08%
4. New Tradition -1.46%
5. Heralds of Harmony -2.19%
6. Southern Gateway -2.98%
7. Louisville Times Chorus -3.71%
8. The Phoenicians -3.79%
9. Singing Buckeyes -3.80%
10. The Big Chicken Chorus -3.81%
11. Great Northern Union -3.90%
12. Dukes of Harmony -5.07%
13. Heart of America Chorus -5.90%
14. Great Lakes Chorus -9.80%

1997 International

1. Big Chicken Chorus +3.44%
2. Chorus of the Genesee +2.69%
3. Gentlemen of Fortune +1.92%
4. Dukes of Harmony +1.62%
5. New Tradition +1.48%
6. Southern Gateway Chorus +1.17%
7. Great Lakes Chorus +1.11%
8. Heralds of Harmony +1.07%
9. Great Northern Union +0.38%
10. Ambassadors of Harmony -0.47%
11. The Mainliners -1.81%
12. Phoenicians Chorus -3.58%
13. Thoroughbreds -3.79%
14. Narragansett Bay Chorus -9.80%

1996 International

1. Heralds of Harmony +7.93%
2. Narragansett Bay Chorus +7.12%
3. Big Chicken Chorus +4.74%
4. Thoroughbreds +3.48%
5. New Mexi-Chords +3.17%
6. The Tidelanders +2.85%
7. West Towns Chorus +2.64%
8. Great Northern Union +2.451%
9. Ambassadors of Harmony +2.449%
10. New Tradition +1.91%
11. Big Apple Chorus +1.68%
12. Southern Gateway Chorus -0.11%

The 8th and 9th placings were separated by going into three decimal places.

1995 International

As the 1994 International was the first with the current judging categories (Music, Presentation and Singing), the 1995 International will be the first in the series to feature the most "most improved" calculations.

1. Ambassadors of Harmony +3.45%
2. Great Northern Union +2.80%
3. Alexandria Harmonizers +0.15%
4. Big Chicken Chorus -2.02%
5. New Tradition -2.54%
6. Thoroughbreds -3.59%
7. Pot O' Gold Chorus -3.60%
8. Singing Buckeyes -4.76%
9. Commodore Perry Chorus -7.28%
10. City Lights -7.68%

Most improved (barbershop)

The relevant BHA (Barbershop Harmony Australia) contest rules are current as of 11 February 2013. One of the awards they award is known as the "most improved chorus" award, with the current rule (7.1.5.1) being as follows:

The most improved chorus is the chorus that has the greatest increase in score between the current contest and the immediately preceding contest. A chorus must have participated in the immediately preceding contest to be eligible for this award.

The aim of a most improved contest is to highlight the contestant that has made the largest improvement in performance since the last contest in the sequence of similar contests

In the series of following blogs, I will calculate scores for International and other barbershop chorus competitions. Calculations will be to two decimal places unless more are necessary to break a tie.