SHOTMAKING PERCENTAGES FOR CURLING

1. To create interest in the game and individual facets of it.
   
2. To assist media in their coverage of curling.
   
3. To make curling and any particular event more attractive to sponsors.
   
4. To provide statistical information to participants, fans, and their associations.
   
5. To provide additional information for coaches.
   

1. The system of scoring be relatively straightforward so it can be learned easily.
   
2. The system be applied by the scorer generously and not too rigidly, so the curlers are given the benefit of the doubt in all situations.
   
3. A shot be evaluated according to what was called. What the desired result requested by the skip was and how well the player executed the called shot? The scorer must not consider the strategy being employed by a team in a particular situation, or whether there might have been a better call in his or her opinion. The team calls the shot it wishes to play and the scorer rates how well it was played.
   
4. The result of a shot be evaluated without reference to the reason it might not have been executed successfully. Consideration must not be given to the scorer's opinion of why a shot was missed. Whether the skip gave bad ice, or the sweepers made a mistake is not to enter evaluation of the shot; It is strictly and simply the outcome measured against the call that is to be scored.
   

1. A rock deliberately thrown through the house is not counted as a delivered stone. This is similar to a walk in baseball, not counted as a time at bat in calculating batting average. The score sheet is marked with an "X" for that shot, and the players possible maximum is reduced by four.
   
   
2. A player may be awarded bonus points for making a particularly difficult shot at a critical point in the game. The maximum bonus is two points. A player can be given five or six points on that particular shot. The player's possible maximum is not increased when bonus points are awarded. Effectively, the player is given five or six out of four. Bonus points are given rarely, only in exceptional circumstances. This is likely to occur at the most only once or twice a game. The awarding of bonus points recognizes execution of a particularly superb shot under pressure conditions which dramatically affects the outcome of the game. They are more likely to be given skips and thirds who usually have more precise shots to execute. Note, however, that at the opposite end of the scale, a player is not given less than zero for a particularly bad shot.
   

SCORING

1. On the scoresheet provided fill in the top portion with the required information such as draw number, sheet number, scorer's name, etc. Indicate the toss winner (defined as the team with last rock in the first end) The Canadian Curling Association microcomputer statistics system has one score sheet per end. On this sheet, be sure to also include the end number. Enter the names of the teams as they appear on the scoreboard. On the manual system scoresheet, enter the names of the players in the order in which they deliver their pairs of rocks; ie. the player throwing the last two rocks of the end is listed in the "skip" position on the score sheet whether he/she is calling the game in the house. This enables accurate comparison of shotmaking percentages position to position. The microcomputer system uses player numbers assigned to each player when they register for the event. The default player configuration of 1-2-3-4 should be changed by the scorer if a team has made personnel changes due to injury or for another reason has decided to rearrange its players. Consult the microcomputer stats users guide for more details.
   
2. For each shot indicate on the score sheet in the first column (marked "H" for handle on the computer system scoresheet) whether the shot is an inturn or an outturn. Make careful note of left-handed players; the rotation of the rock is opposite from that of right-handed players. For example, an inturn is defined as a rock in which the back of the handle is turned in toward the body during delivery. This applies to all players and results in a rock of opposite rotation for right-handed and left-handed players.
   

                  I=Inturn
                 O=Outturn
                  X=Intentional throw through
   

3. Mark the type of shot in the second column (marked "T" for type of shot on the computer system scoresheet):
   

                                      Hits:
   A= Straightforward Takeout
   B= Hit and Roll
   C= Clear a front stone or guard
   D= Raise Takeout
   
                                     Draws:
   E= Draw to the house
   F= Front stone (a center or corner stone placed in front of the rings not
   called to be in front of another stone in the rings)
   G= Guard (guarding another stone)
   H= Freeze to another stone
   J= Tap Back (move an opposition stone back, but not out of play)
   

4. Evaluate what was achieved against what was called, This is normally a number between zero and four but may be five or six in a bonus situation. On the computer system scoresheet, place this number under the column marked "A" for actual points awarded. On the manual system scoresheet, place this number under the column marked "H" if the shot was a hit and under the column marked "D" if the shot was a draw.
   
   For shots intentionally thrown through, code handle as "X", type of shot as "X" and the number of points as "0"; ie. score shot as "X X 0". Rocks not thrown because an end is incomplete are also scored "X X 0".
   
   
5. At the completion of each end on the manual system scoresheet, tabulate for each team in the spaces provided the total points given and maximum points possible. The maximum number of points per end is normally 32. Reduce this by four for each rock coded "X X 0".
   
   
6. At the completion of each end on the computer system scoresheet, record the end score (eg. RED 3 YELLOW 0) and the time remaining on the game time clocks and pass the sheet to the runner who will take it to the computer data entry personnel for entry into the computer. For televised games, it is important that the data be entered into the computer as quickly as possible after the completion of each end.
   
   

   STATISTICS PREPARATION (MANUAL SYSTEM)

   
   

   At the conclusion of the game, for each player, compute the total pointsawarded and the total possible for all hits in the game. Express this as afraction in the space provided and below this fraction place the resultingpercentage. Repeat this exercise for all draws for each player. Obtain overalltotals for each player by adding the totals for hits and for draws. Expressthis as a fraction in the space provided and below this fraction place theresulting percentage.

   For each team, the team's percentage on hits is obtained by adding the points(actual and possible) for each player. Express this as a fraction in the spaceprovided and below this fraction place the resulting percentage. Repeat thisexercise to obtain each team's percentage on draws. Finally, an overallpercentage for each team is obtained by adding the totals for hits to thetotals for draws.

   Express this overall total as a fraction and, in the space below, place theresulting percentage.

   The overall total fractions for each team are double-checked by adding theteam combined score (vertically) for each end.

   The chief statistician is to prepare two summary sheets for each draw(handwritten if neat and legible, or typewritten)
   

   1. linescore sheet, containing the linescores for all games in that draw and the standings before and after that draw.
      
   2. A summary sheet of player and team shotmaking percentages for that draw.
      
   Thus, a compiled set of statistics for each draw includes the individual gamescoresheets for that draw, as well as the two summary sheets detailed above.
   

   As the competition progresses, it may be desirable to prepare additional summaryreports to be included with the set of statistics for each draw. They include:

   1. POSITIONAL CUMULATIVE PERCENTAGES. This report horizontally groups players by position. Across the page vertically is shown each player's percentage in each draw (one column per draw) and an overall percentage for each player. This report can be extended to include team percentages in each draw and an overall percentage for each team.
      
   2. TEAM CUMULATIVE PERCENTAGES. This report shows for each player on each team the following cumulative percentages: inturn draws, outturn draws, all draws, inturn hits, outturn hits, all hits, all inturns, all outturns, overall total. This report may also be extended to include team percentages.
      
      The manual preparation of the above reports is very time consuming and is besthandled by the microcomputer stats computer system. Samples of these and otherreports can be seen in the computer stats users guide.

      Accuracy of the statistics is very important; all calculations should be doublechecked! Note also that in preparing cumulative results for a team or a player,in each case it is necessary to derive a new total fraction of total points awardedover maximum points possible; it is inaccurate to simply total percentages anddivide by their number to give an average.

      STATISTICS PREPARATION (COMPUTER SYSTEM)

      
      With the Canadian Curling Association microcomputer system, it is easy toproduce the reports referred to in the manual system, and also more complexreports. The computer stats user's guide has sample reports and suggestedguidelines for their use.
      
      

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