1. 0

Hi
I got curious how much 'stricter' DG rule's affecting skaters.
I thought it might be useful to compare DG ratio of last season to that of this season (until COC).
So I compiled some stats for that here.

Let me quickly explain how I did this calculation.
It's really simple. All I do is to pick jump elements marked with '<'. And then get percentage to toal count of jumps. What about combo jump? I counted each element in it separately according to rules.

Lets suppose 'Skater A' got protocols like '3F+2T<' and '2A'. I see total 3 jump elements there and 1 of them got DGed.
So 'Skater A's DG ratio would be 33%.

Ok boring part over. why not get to the data?
Mind you, I looked up International events only , that is 6 GPs, GPF, FC, EC, WC.

I got to Ladies first because It seems they are affected by it most.
Last season, there were 265 DGed jump elements out of 2189 total. So make it 12.11%.
This season so far (TEB, RC, COC) , that ratio is 12.08% (=54/447). So I could not find any noticeable difference.
I don't know. Actually there have been fewer DGs per jump element so far.
One can argue that big events like WC has very uneven field so I should consider GP events only.
Still not much different. DG ratio of 7 GP events last season was 11.84%(=118/997).

I added detailed table for each skater.

2. 0

This is Ladies DG stat of last season.
This list includes only one who has total jump element >= 10.
And sorted out higher-ratio-first oder.

DGratio% | (DG/total) | name
43.75 | (7/16) | Tamami ONO
42.86 | (12/28) | Mirai NAGASU
42.31 | (11/26) | Yueren WANG
35.71 | (5/14) | Emily HUGHES
34.48 | (10/29) | Mira LEUNG
33.33 | (4/12) | Michele CANTU
31.71 | (13/41) | Tugba KARADEMIR
22.41 | (13/58) | Miki ANDO
21.43 | (3/14) | Stefania BERTON
21.43 | (3/14) | Gracielle Jeanne TAN
21.05 | (4/19) | Chaochih LIU
20.00 | (6/30) | Katrina HACKER
20.00 | (5/25) | Kimmie MEISSNER
17.65 | (3/17) | Viktoria HELGESSON
16.67 | (9/54) | Alissa CZISNY
16.67 | (2/12) | Kiira KORPI
15.79 | (6/38) | Binshu XU
14.29 | (2/14) | Tina WANG
14.29 | (2/14) | Sonia LAFUENTE
14.29 | (2/14) | Loretta HAMUI
13.64 | (3/22) | Kerstin FRANK
13.46 | (7/52) | Na-Young KIM
12.50 | (3/24) | Ashley WAGNER
11.76 | (4/34) | Elene GEDEVANISHVILI
11.54 | (6/52) | Annette DYTRT
11.11 | (3/27) | Katarina GERBOLDT
11.11 | (5/45) | Yukari NAKANO
11.11 | (5/45) | Caroline ZHANG
11.11 | (2/18) | Teodora POSTIC
10.71 | (3/28) | Julia SEBESTYEN
10.34 | (6/58) | Elena GLEBOVA
09.86 | (7/71) | Mao ASADA
09.09 | (1/11) | Myriane SAMSON
08.11 | (6/74) | Yu-Na KIM
07.69 | (2/26) | Beatrisa LIANG
07.69 | (1/13) | Gwendoline DIDIER
07.50 | (3/40) | Anastasia GIMAZETDINOVA
07.14 | (1/14) | Nana TAKEDA
07.14 | (2/28) | Ana Cecilia CANTU
06.67 | (1/15) | Hyeon-Jung KIM
06.25 | (1/16) | Irina MOVCHAN
05.88 | (3/51) | Fumie SUGURI
05.77 | (3/52) | Cynthia PHANEUF
05.56 | (1/18) | Isabelle PIEMAN
05.41 | (4/74) | Carolina KOSTNER
05.00 | (3/60) | Rachael FLATT
04.44 | (2/45) | Yan LIU
03.70 | (1/27) | Sarah MEIER
03.45 | (1/29) | Akiko SUZUKI
02.63 | (1/38) | Candice DIDIER
02.63 | (1/38) | Jenna MCCORKELL
01.85 | (1/54) | Susanna POYKIO
01.67 | (1/60) | Alena LEONOVA
00.00 | (0/12) | Karly ROBERTSON
00.00 | (0/26) | Ivana REITMAYEROVA
00.00 | (0/12) | Jenni VAHAMAA
00.00 | (0/71) | Joannie ROCHETTE
00.00 | (0/12) | Francesca RIO
00.00 | (0/12) | Nina PETUSHKOVA
00.00 | (0/15) | Amelie LACOSTE
00.00 | (0/18) | Nella SIMAOVA
00.00 | (0/19) | Cheltzie LEE
00.00 | (0/57) | Laura LEPISTO
00.00 | (0/14) | Anna JURKIEWICZ
00.00 | (0/14) | Manouk GIJSMAN

3. 0

This is Ladies DG stat of this GP season. (TEB, RC, COC)
I listed all ladies here, also sorting by higher-ratio-first oder.

DGratio% | (DG/total) | name
36.36 | (4/11) | Annette DYTRT
33.33 | (1/3) | Binshu XU
33.33 | (5/15) | Mirai NAGASU
30.77 | (4/13) | Fumie SUGURI
26.92 | (7/26) | Mao ASADA
23.08 | (3/13) | Katarina GERBOLDT
23.08 | (3/13) | Beatrisa LIANG
21.43 | (3/14) | Miki ANDO
21.43 | (3/14) | Alissa CZISNY
17.39 | (4/23) | Carolina KOSTNER
15.38 | (2/13) | Anna JURKIEWICZ
15.38 | (2/13) | Julia SEBESTYEN
14.29 | (2/14) | Yukari NAKANO
13.33 | (2/15) | Caroline ZHANG
08.33 | (1/12) | Joannie ROCHETTE
08.33 | (1/12) | Oksana GOZEVA
07.69 | (1/13) | Bingwa GENG
07.14 | (1/14) | Ashley WAGNER
07.14 | (1/14) | Akiko SUZUKI
06.67 | (1/15) | Alena LEONOVA
06.67 | (1/15) | Alexe GILLES
06.67 | (1/15) | Yan LIU
03.57 | (1/28) | Kiira KORPI
00.00 | (0/12) | Anastasia GIMAZETDINOVA
00.00 | (0/14) | Rachael FLATT
00.00 | (0/14) | Amelie LACOSTE
00.00 | (0/12) | Gwendoline DIDIER
00.00 | (0/13) | Elene GEDEVANISHVILI
00.00 | (0/14) | Jenna MCCORKELL
00.00 | (0/15) | Diane SZMIETT
00.00 | (0/14) | Yu-Na KIM

4. 0
Your analysis is incomplete, and to be honest I don't think it is possible to do it like that.

Skaters could be changing their jump elements or jump combinations (just like YuNa did), plus, skaters will generally improve while they train under ISU's vigorous underrotation and edge witchhunt

But even assuming nothing changed, you would still have had to do a statistical test to determine if the slight difference in percentages is significant.

5. 0

## Men

Men is much diffrent form the ladies.
Simply they seldom DGed. I don't know why.

Last season, there were only 117 marks out of 2339 total, making it 5.00%. Much much lower than ladies.
This season so far, that number dropped even lower : 3.44%(=18/524)

6. 0

## Men (08-09 season)

I included only man who has total jump element >= 20 here.
Sorting order is same as ladies.

DGratio% | (DG/total) | name
19.35 | (6/31) | Kevin REYNOLDS
12.50 | (4/32) | Shawn SAWYER
11.11 | (4/36) | Jamal OTHMAN
10.87 | (5/46) | Gregor URBAS
10.00 | (2/20) | Ari-Pekka NURMENKARI
09.68 | (3/31) | Adam RIPPON
09.09 | (4/44) | Yasuharu NANRI
08.33 | (4/48) | Artem BORODULIN
08.20 | (5/61) | Evan LYSACEK
07.50 | (6/80) | Takahiko KOZUKA
06.78 | (4/59) | Kristoffer BERNTSSON
06.67 | (2/30) | Takahito MURA
05.08 | (3/59) | Sergei VORONOV
05.00 | (1/20) | Mark WEBSTER
04.84 | (3/62) | Anton KOVALEVSKI
04.76 | (3/63) | Brandon MROZ
04.17 | (3/72) | Tomas VERNER
03.85 | (3/78) | Jeremy ABBOTT
03.39 | (2/59) | Igor MACYPURA
03.33 | (2/60) | Adrian SCHULTHEISS
03.33 | (2/60) | Jeremy TEN
03.33 | (1/30) | Przemyslaw DOMANSKI
03.23 | (2/62) | Brian JOUBERT
03.23 | (1/31) | Ryan BRADLEY
03.23 | (1/31) | Stephen CARRIERE
02.27 | (1/44) | Johnny WEIR
02.22 | (1/45) | Nobunari ODA
02.17 | (1/46) | Kevin VAN DER PERREN
02.00 | (1/50) | Jialiang WU
01.33 | (1/75) | Patrick CHAN
00.00 | (0/60) | Yannick PONSERO
00.00 | (0/29) | Chengjiang LI
00.00 | (0/29) | Alexander USPENSKI
00.00 | (0/57) | Vaughn CHIPEUR
00.00 | (0/57) | Andrei LUTAI
00.00 | (0/28) | Javier FERNANDEZ
00.00 | (0/31) | Samuel CONTESTI
00.00 | (0/47) | Alban PREAUBERT
00.00 | (0/29) | Song GAO
00.00 | (0/50) | Peter LIEBERS
00.00 | (0/30) | Denis TEN

7. 0

## Men (09-10 season)

Same as ladies this season, all skaters included.

DGratio% | (DG/total) | name
20.00 | (3/15) | Shawn SAWYER
15.38 | (2/13) | Ari-Pekka NURMENKARI
12.50 | (2/16) | Kevin REYNOLDS
12.50 | (2/16) | Evan LYSACEK
12.50 | (2/16) | Takahiko KOZUKA
12.50 | (2/16) | Alban PREAUBERT
07.69 | (1/13) | Brian JOUBERT
07.14 | (1/14) | Javier FERNANDEZ
06.67 | (1/15) | Jinlin GUAN
06.25 | (1/16) | Artem BORODULIN
03.33 | (1/30) | Yannick PONSERO
00.00 | (0/15) | Armin MAHBANOOZADEH
00.00 | (0/14) | Ming XU
00.00 | (0/15) | Brandon MROZ
00.00 | (0/32) | Chao YANG
00.00 | (0/16) | Adam RIPPON
00.00 | (0/14) | Denis TEN
00.00 | (0/16) | Florent AMODIO
00.00 | (0/14) | Ivan TRETIAKOV
00.00 | (0/16) | Stephen CARRIERE
00.00 | (0/14) | Kevin VAN DER PERREN
00.00 | (0/16) | Tomas VERNER
00.00 | (0/15) | Peter LIEBERS
00.00 | (0/14) | Evgeni PLUSHENKO
00.00 | (0/15) | Ryan BRADLEY
00.00 | (0/13) | Johnny WEIR
00.00 | (0/15) | Adrian SCHULTHEISS
00.00 | (0/32) | Sergei VORONOV
00.00 | (0/11) | Vaughn CHIPEUR
00.00 | (0/31) | Nobunari ODA
00.00 | (0/16) | Samuel CONTESTI

8. 0
Thanks for the numbers!

By country: Finnish ladies (both seasons combined): 2/157 = 0.0127.

Originally Posted by Scorer
Men is much diffrent form the ladies.
Simply they seldom DGed. I don't know why.
Yes, I am afraid that the CoP is telling us something about ladies figure skating that we don't want to hear.

9. 0
prettykeys, I definitely agree with you that my analysis is incomplete.
But I hope you dont take my argument too serious.
I wanted to see some interesting analysis based on my data. yours included.
(BTW, I agree skaters are adjusting to stricter rules. That should be part of reason.)

10. 0
Originally Posted by poorScorer
prettykeys, I definitely agree with you that my analysis is incomplete.
But I hope you dont take my argument too serious.
I wanted to see some interesting analysis based on my data. yours included.
(BTW, I agree skaters are adjusting to stricter rules. That should be part of reason.)
Oh, sure! I didn't think doing your numbers hurt, and could have revealed interesting things.

11. 0
The disparities between individual skaters are rather staggering. Are Jenna McCorkell and Karly Robertson really better jumpers than Mao Asada and Mirai Nagasu? Somebody, explain!

12. 0
Originally Posted by Spun Silver
The disparities between individual skaters are rather staggering. Are Jenna McCorkell and Karly Robertson really better jumpers than Mao Asada and Mirai Nagasu? Somebody, explain!
If a skater only do 3/2 ,toes, and loops; they are proably going to not UR as much as skaters that go for 3/3 and 3A. The difficulty jump content is also a factor in the UR percentage; Some skaters push the envolope other dont ; some are consistant others arent

I think guys generally get more hieght so it is easier to finish the rotations; I think women have to be more precise than men because if they are a little off the hips and breast will exaggerate that; this is all just theory by the way

13. 0
I think this data really shows who the best jumper is....Joannie Rochette! 0/71

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