ÅSSF IPSC Elo ratings

Match results are grabbed from the web and stored in JSON files.

Each match is divided into divisions and stages. Each stage is divided into separate encounters. Each encounter has a winner and a loser. Hit factor is disregarded except for determining a winner and a loser.

Shooters start with an Elo rating of 1000. A shooter's K-factor is 40 for 30 encounters, then 20 until an rating of 2400 is achieved, after which K is lowered to 10.

Example

Stage result with N=4 shooters:

1. Alfred
2. Björn
3. Calle
4. Daniel

This results in N-1 encounter per participant.

• Alfred won against Björn
• Alfred won against Calle
• Alfred won against Daniel
• Björn won against Calle
• Björn won against Daniel
• Calle won against Daniel

With regards to the scoring each encounter is counted as a match.

Compile & run

$ javac -cp lib/* -d target/classes src/*.java
$ java -cp lib/*;target/classes Main

Ranking

Loaded 54 handgun stages
Loaded 34 mini_rifle stages
Loaded 34 pcc stages
Loaded 32 rifle stages
Loaded 0 shotgun stages

1v1 encounters: 4823
1v1 ignored encounters (shared last place at HF 0): 73

Processed in 345 ms

Handgun Classic

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1. A. Svensson (Elo rating of 1081 after 16 encounters)
2. F. Andersson (Elo rating of 919 after 16 encounters)

Handgun Open

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1. T. Mörn (Elo rating of 1087 after 8 encounters)
2. J. Fyrqvist (Elo rating of 981 after 4 encounters)
3. T. Nordqvist (Elo rating of 932 after 4 encounters)

Handgun Production

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1. J. Lindholm (Elo rating of 1473 after 84 encounters)
2. E. Pettersson (Elo rating of 1342 after 132 encounters)
3. J. Lindén (Elo rating of 1338 after 62 encounters)
4. N. Granlund (Elo rating of 1281 after 28 encounters)
5. T. Nordqvist (Elo rating of 1253 after 49 encounters)
6. P. Heimdahl (Elo rating of 1249 after 259 encounters)
7. A. Norkvist (Elo rating of 1176 after 84 encounters)
8. J. Back (Elo rating of 1143 after 84 encounters)
9. G. Mörn (Elo rating of 1107 after 179 encounters)
10. S. Welin (Elo rating of 1058 after 132 encounters)
11. J. Welin (Elo rating of 1043 after 200 encounters)
12. A. Häger (Elo rating of 1032 after 24 encounters)
13. D. Källroos (Elo rating of 1004 after 100 encounters)
14. J. Fyrqvist (Elo rating of 978 after 108 encounters)
15. K. Sundman (Elo rating of 951 after 36 encounters)
16. T. Mörn (Elo rating of 907 after 84 encounters)
17. N. Häggblom (Elo rating of 906 after 139 encounters)
18. L. Pettersson (Elo rating of 906 after 84 encounters)
19. F. Andersson (Elo rating of 892 after 12 encounters)
20. A. Svensson (Elo rating of 885 after 25 encounters)
21. D. Gustafsson (Elo rating of 882 after 6 encounters)
22. D. Dahlblom (Elo rating of 875 after 36 encounters)
23. M. Stenroos (Elo rating of 815 after 16 encounters)
24. F. Degerth (Elo rating of 794 after 48 encounters)
25. P. Sundman (Elo rating of 788 after 36 encounters)
26. P. Sundblom (Elo rating of 780 after 84 encounters)
27. S. Ejder (Elo rating of 775 after 36 encounters)
28. T. Stjernlöf (Elo rating of 759 after 24 encounters)
29. P. Jansson (Elo rating of 721 after 121 encounters)
30. S. Stenroos (Elo rating of 718 after 84 encounters)
31. L. Heinola (Elo rating of 691 after 48 encounters)
32. D. Kronlund (Elo rating of 689 after 36 encounters)
33. M. Nilsson (Elo rating of 670 after 24 encounters)
34. D. Back (Elo rating of 661 after 84 encounters)

Handgun Production Optics

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1. T. Bonn (Elo rating of 1237 after 54 encounters)
2. J. Lindholm (Elo rating of 1181 after 26 encounters)
3. E. Pettersson (Elo rating of 1101 after 24 encounters)
4. S. Welin (Elo rating of 958 after 34 encounters)
5. J. Back (Elo rating of 955 after 38 encounters)
6. T. Dahlman (Elo rating of 904 after 8 encounters)
7. N. Granlund (Elo rating of 892 after 4 encounters)
8. D. Back (Elo rating of 865 after 65 encounters)
9. N. Öberg (Elo rating of 785 after 23 encounters)

Handgun Standard

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1. D. Källroos (Elo rating of 1253 after 38 encounters)
2. J. Lindén (Elo rating of 1213 after 38 encounters)
3. T. Bonn (Elo rating of 1187 after 8 encounters)
4. T. Mörn (Elo rating of 1186 after 127 encounters)
5. P. Heimdahl (Elo rating of 1169 after 92 encounters)
6. N. Öberg (Elo rating of 1137 after 24 encounters)
7. A. Norkvist (Elo rating of 1088 after 11 encounters)
8. S. Stenroos (Elo rating of 1049 after 124 encounters)
9. L. Pettersson (Elo rating of 994 after 54 encounters)
10. T. Berlin (Elo rating of 988 after 12 encounters)
11. A. Rothberg (Elo rating of 985 after 41 encounters)
12. D. Eklund (Elo rating of 967 after 36 encounters)
13. G. Mörn (Elo rating of 947 after 95 encounters)
14. J. Welin (Elo rating of 926 after 54 encounters)
15. T. Nordqvist (Elo rating of 908 after 100 encounters)
16. R. Eriksson (Elo rating of 859 after 24 encounters)
17. L. Heinola (Elo rating of 771 after 76 encounters)
18. P. Sundblom (Elo rating of 744 after 54 encounters)
19. B. Granlund (Elo rating of 735 after 54 encounters)
20. P. Jansson (Elo rating of 727 after 32 encounters)

Mini Rifle Open

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1. J. Lindén (Elo rating of 1273 after 154 encounters)
2. S. Welin (Elo rating of 1227 after 99 encounters)
3. T. Mörn (Elo rating of 1199 after 191 encounters)
4. A. Svensson (Elo rating of 1162 after 163 encounters)
5. N. Granlund (Elo rating of 1122 after 9 encounters)
6. D. Gustafsson (Elo rating of 1081 after 40 encounters)
7. F. Andersson (Elo rating of 1057 after 149 encounters)
8. P. Sundblom (Elo rating of 1025 after 40 encounters)
9. P. Heimdahl (Elo rating of 1009 after 54 encounters)
10. J. Welin (Elo rating of 1006 after 174 encounters)
11. J. Djupsund (Elo rating of 984 after 40 encounters)
12. D. Back (Elo rating of 977 after 72 encounters)
13. T. Dahlman (Elo rating of 923 after 56 encounters)
14. J. Fyrqvist (Elo rating of 848 after 37 encounters)
15. L. Heinola (Elo rating of 774 after 54 encounters)
16. D. Dahlblom (Elo rating of 760 after 37 encounters)
17. A. Norkvist (Elo rating of 753 after 54 encounters)
18. D. Gustafson (Elo rating of 745 after 70 encounters)
19. B. Granlund (Elo rating of 622 after 109 encounters)

Mini Rifle Standard

PCC Iron

PCC Optics

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1. J. Lindén (Elo rating of 1301 after 37 encounters)
2. T. Bonn (Elo rating of 1266 after 33 encounters)
3. G. Mörn (Elo rating of 1231 after 142 encounters)
4. E. Pettersson (Elo rating of 1164 after 15 encounters)
5. D. Källroos (Elo rating of 1161 after 28 encounters)
6. T. Mörn (Elo rating of 1131 after 117 encounters)
7. J. Lindblom (Elo rating of 1021 after 6 encounters)
8. S. Welin (Elo rating of 972 after 42 encounters)
9. N. Öberg (Elo rating of 932 after 70 encounters)
10. P. Heimdahl (Elo rating of 920 after 112 encounters)
11. F. Andersson (Elo rating of 907 after 76 encounters)
12. A. Norkvist (Elo rating of 858 after 42 encounters)
13. P. Jansson (Elo rating of 818 after 24 encounters)
14. L. Heinola (Elo rating of 814 after 88 encounters)
15. A. Svensson (Elo rating of 775 after 52 encounters)
16. B. Gustafsson (Elo rating of 761 after 42 encounters)
17. N. Häggblom (Elo rating of 704 after 24 encounters)

Rifle Manual Action Bolt

Rifle Manual Action Contemporary

Rifle Semi Auto Open

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1. S. Welin (Elo rating of 1371 after 152 encounters)
2. T. Mörn (Elo rating of 1263 after 250 encounters)
3. J. Lindholm (Elo rating of 1238 after 28 encounters)
4. G. Mörn (Elo rating of 1227 after 115 encounters)
5. N. Öberg (Elo rating of 1152 after 144 encounters)
6. A. Häger (Elo rating of 1129 after 86 encounters)
7. J. Back (Elo rating of 1124 after 170 encounters)
8. J. Lindén (Elo rating of 1101 after 199 encounters)
9. T. Bonn (Elo rating of 1029 after 24 encounters)
10. J. Welin (Elo rating of 1027 after 250 encounters)
11. P. Heimdahl (Elo rating of 1004 after 173 encounters)
12. N. Granlund (Elo rating of 971 after 63 encounters)
13. A. Svensson (Elo rating of 955 after 30 encounters)
14. S. Cederberg (Elo rating of 952 after 44 encounters)
15. J. Fyrqvist (Elo rating of 951 after 89 encounters)
16. A. Norkvist (Elo rating of 909 after 81 encounters)
17. D. Back (Elo rating of 897 after 129 encounters)
18. N. Häggblom (Elo rating of 860 after 86 encounters)
19. J. Grönqvist (Elo rating of 852 after 177 encounters)
20. G. Gottberg (Elo rating of 796 after 28 encounters)
21. S. Stenroos (Elo rating of 791 after 92 encounters)
22. B. Granlund (Elo rating of 733 after 146 encounters)
23. P. Jansson (Elo rating of 726 after 149 encounters)
24. F. Andersson (Elo rating of 700 after 141 encounters)
25. P. Sundblom (Elo rating of 656 after 130 encounters)

Rifle Semi Auto Standard

Expand

1. S. Cederberg (Elo rating of 1150 after 34 encounters)
2. P. Heimdahl (Elo rating of 1007 after 29 encounters)
3. J. Lindén (Elo rating of 1001 after 23 encounters)
4. D. Gustafson (Elo rating of 996 after 6 encounters)
5. L. Heinola (Elo rating of 975 after 4 encounters)
6. S. Stenroos (Elo rating of 849 after 16 encounters)

Shotgun Modified

Shotgun Open

Shotgun Standard

Shotgun Standard Manual