The characteristic analysis of winners and losers in curling: Focused on shot type, shot accuracy, blank end and average score SungGeon Park 1 & Soowon Lee 2 * 1 Program of Software Convergence, Soongsil University & 2 School of Software, Soongsil University [Purpose] [Methods] [Results] [Conclusion] Key words:
Table 1. Types of curling operations and shots used at the Sochi 2014 Winter Olympics and the related literature Shot type Sochi Olympics Literature Draw Take-out Draw, Guard, Freeze Front, Takeout, Hit & Roll, Clearing, Raise, Promotion Takeout, Double Takeout, Wick/Soft Peeling Draw, Front, Guard, Raise, Wick/Soft Peeling, Freeze Takeout, Hit & Roll, Clearing, Promotion Takeout, Double Takeout Through Through Through Fig. 1. An example of selecting the last stone according to scoring in curling game
Fig. 2. Entity-Relationship Diagram for curling match information Table 2. Characteristics of participating countries in Sochi Winter Olympic curling games Men s Team Rank Game W L W Tie-bre aker Mean Age Women s Team Rank Game W l CAN 1 11 9 2 81.8-30.4 CAN 1 11 11 0 0.0-32.8 GBR 2 12 5 58.3 Win 30.2 SWE 2 11 8 3 2. - 33.2 SWE 3 11 9 2 81.8-2.4 GBR 3 11 6 5 54.5-23.6 CHN 4 12 5 58.3 Loss 28.2 SUI 4 11 5 6 45.4-33.6 NOR 5 5 5 50.5-33.2 JPN 5 9 4 5 44.4-29.8 DEN 6 9 4 5 44.4-31.0 DEN 6 9 4 5 44.4-26.6 RUS 9 3 6 33.3-25.6 CHN 9 4 5 44.4-28.0 SUI 8 9 3 6 33.3-25.4 KOR 8 9 3 6 33.3-26.8 USA 9 9 2 22.2-29.2 RUS 9 9 3 6 33.3-24.8 GER 9 1 8 11.1-38.8 USA 9 1 8 11.1-39.2 W Tie-br eaker Mean Age
Table 3. The descriptive statistics for shot types by position of the winners and the losers Operation Draw Take-out Shot type Draw Guard Freeze Front Takeout Hit & Roll Clearing Raise Promotion takeout Double takeout Wick & Sick Through Total Winner Loser Lead Second Third Skip Total Lead Second Third Skip Total 638 (33.1%) 0 (5.2%) 0 (0.0%) 262 (13.6%) 345 (1.9%) 19 (9.3%) 148 (.%) 64 (3.3%) 44 (2.3%) 122 (6.3%) 19 (1.0%) 9 (0.5%) 1,930 551 (28.5%) 131 (6.8%) 2 11 (6.1%) 414 (21.5%) 20 (.%) 195 (.1%) 61 (3.2%) 64 (3.3%) 1 (9.2%) (0.4%) 4 (0.2%) 1,930 6 (31.9%) 128 (6.6%) 4 (0.2%) 9 (5.%) 385 (20.0%) 216 (11.2%) 149 (.%) 6 (3.9%) 63 (3.3%) 166 (8.6%) 6 (0.3%) 11 (0.6%) 1,928 661 (34.8%) 2 (5.4%) 1 4 (8.1%) 369 (19.4%) 162 (8.5%) (8.3%) 2 (3.8%) 65 (3.4%) 142 (.5%) (0.4%) (0.5%) 1,902 2,465 (32.2%) 461 (6.0%) 642 (8.3%) 1,513 (19.%) 64 (9.9%) 649 (8.4%) 23 (3.6%) 236 (3.1%) 60 (.9%) 39 (0.5%) 34 (0.4%),690 08 (36.%) 135 (.0%) 2 229 (11.9%) 340 (1.6%) 16 (9.1%) 112 (5.8%) 48 (2.5%) 42 (2.2%) 6 (5.5%) 14 (0.%) 18 (0.9%) 1,930 586 (30.4%) 122 (6.3%) 2 5 (5.4%) 426 (22.1%) 18 (9.%) 20 (.%) 69 (3.6%) 49 (2.5%) 164 (8.5%) 9 (0.5%) 4 (0.2%) 1,930 52 (29.6%) 0 (.8%) 1 116 (6.0%) 381 (19.%) 222 (11.5%) (9.1%) 8 (4.0%) 48 (2.5%) 163 (8.4%) 13 (0.%) 11 (0.6%) 1,930 6 (32.2%) 111 (5.8%) 1 202 (.6%) 36 (19.%) 182 (9.5%) 143 (.5%) 0 (3.%) 52 (2.%) 136 (.1%) 8 (0.4%) 13 (0.%) 1,909 2,481 (32.2%) 518 (6.%) 6 652 (8.5%) 1,523 (19.8%) 6 (.0%) 63 (8.3%) 265 (3.4%) 191 (2.5%) 569 (.4%) 44 (0.6%) 46 (0.6%),699 Table 4. The result of shot types chi-square test by the position of the winner and the loser Lead Second Third Skip Total p-value p-value p-value p-value p-value 25.330.008* 6.820.813 12.164.351 12.440.332 11.861.34 Table 5. The result of shot types chi-square test by the winner and the loser Shot type p-value Shot type p-value Shot type p-value Draw.882.049* Takeout 0.262.96 Promotion Takeout.5.855 Guard 4.350.226 Hit & Roll 2.280.516 Double Takeout.548.908 Freeze 3.45.290 Clearing.91.04* Wick & Soft 3.364.339 Front 9.480.024* Raise 2.14.438 Through 1.628.653
Table 6. The average shot accuracy by position of the winners and the losers Operation Shot type Winner Loser Lead Second Third Skip Mean Lead Second Third Skip Mean Draw 84.0 9.4 80.0.3 80.2 84.5 80.8.2 9.9 80.8 Draw Guard 88.3 83.6 83.4 9.9 83. 86.9 81.1 83.3 8.6 82. Freeze 0.0 0 0 0.0 85. 0 5.0 50.0 0 83.3 Front 8.3 80.3 82.8 81.8 84.0 90.0 6.9 8..4 81.9 Takeout 86.5 9.8 80.0 9. 81.4 85.3 80.4 80.6 83.2 82.2 Hit & Roll.4 5.6 81.5 6.5.9 83.2 82.2 83.5 80.5 81.3 Take-out Clearing 84.6 83.6 80.0 82.6 82.8 9.9 80.3 81.3 80.6 80.6 Raise 82.0.5 2.4 66. 4.3 95.8 6.1 3.1 5.0 8.5 Promotion takeout 9.5 80.5 9.0 80.8 80.0 83.9 6.5 9. 80.8 80.1 Double takeout 81.6 9.9 2.1 81. 8.5 83.5.0 9.6 8. 9.3 Wick & Sick 63.2 82.1 91. 8.6 8.6 83.9 63.9 69.2 68.8 2. Through 34.4 62.5 92.5 63.9 65.3 44.1 93.8 81.3 40.9 55.6 Total Mean 83.8 9.8 9. 8.6 80.5 85.0 9.8 9.4 9.6 81.0 Table. The result of chi-square test for the average shot accuracy by the winners and the losers Operation Draw Take-out Draw Guard Freeze Front Takeout Hit & Roll Clearing Raise Promotion takeout Double takeout Wick & Sick Through.882 4.350 3.45 9.480.262 2.280.91 2.14.5.548 3.364 2.563 p 0.49*.226.290.024*.96.516.04*.438.855.908.339.464
Table 8. Blank end numbers by the winners and the losers partition End 1 2 3 4 5 6 8 9 Total Game Number Mean 1st With hammer Winner Loser Sum 2 (.9) (16.3) 42 (16.0) (4.1) 4 (3.3) (3.8) 8 (4.) 8 (.6) (5.) 9 (5.3) 3 (2.2) 11 (4.2) 11 (6.5) 4 (3.3) 14 (5.3) 8 (4.) (8.) 16 (6.1) (5.9) (.9) 20 (.6) 12 (.1) 3 (3.3) (5.) (8.8) 6 (5.4) 20 (.6) 63 (3.1) 3 (39.1) 99 (3.8) (0) 9 (0) 262 (0) 99 1.2 99 0.98 198-1st Without hammer Winner Loser Sum (.5) 2 (16.4) 42 (16.0) 3 (4.1) 6 (3.6) (3.8) (8.2) (4.2) (5.8) 2 (3.1) 8 (4.8) 11 (4.2) 3 (4.1) (6.1) 14 (.2) 8 (.2) 9 (5.5) 16 (6.1) (.3) (6.1) 20 (.6) 3 (3.1) 12 (.3) (5.) 5 (6.2) 14 (8.5) 20 (.6) 36 (38.1) 62 (3.6) 99 (3.8) 92 (0) 165 (0) 262 (0) 99 0.93 99 1.6 198 -
Table 9. The result of the average score per end by the winner and the loser With hammer Without hammer partition End 1 2 3 4 5 6 8 9 Winner (A) 0.8 0.921 0.683 0.94 0.825 0.85 0.905 0.905 0.51 0.603.8 Loser (B) 0.622 0.649 0.595 0.514 0.486 0.459 0.514 0.514 0.30 0.135 5.22 (A)-(B) 0.188 0.22 0.088 0.280 0.339 0.398 0.391 0.391-0.9 0.468 2.656 Accumulated 0.188 0.460 0.548 0.828 1.16 1.565 1.956 2.34 2.188 2.656 - Winner (C) 0.222 0.22 0.611 1.056 1.139 0.50 0.8 0.8 0.694 0.833.58 Loser (D) 0.081 0.484 0.806 0.548 0.500 0.452 0.419 0.419 0.645 0.161 4.52 (C)-(D) 0.141 0.238-0.195 0.508 0.639 0.298 0.359 0.359 0.049 0.62 3.068 Accumulated 0.141 0.39 0.184 0.692 1.331 1.629 1.988 2.34 2.396 3.068 - Total
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