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Mochikyūkin (持ち給金) is a system of payment for sumo wrestlers that supplements the basic salary that ''sekitori'' earn. This bonus is calculated using a fairly complex formula. When a wrestler enters professional sumo, he is credited with 3 yen. Every time he achieves ''kachikoshi'' (more wins than losses) in a tournament, this value increases by 0.5 yen (or 50 ''sen'') for each additional win over the number of losses (e.g. 1.5 yen for a 9-6 record). No deduction is made for a ''makekoshi'' record. There are minimum values of ''mochikyūkin'' that are paid to wrestlers of different rank (''jūryō'', ''makuuchi'', ''ōzeki'' and ''yokozuna''), should they not be eligible for a greater amount already. If a wrestler is subsequently demoted the difference between the value prior to promotion and the minimum value will be deducted from the ''mochikyūkin'' account. The minimum values for the respective levels are 40 yen for ''jūryō'', 60 yen for ''makuuchi'', 100 yen for ''ōzeki'' and 150 yen for ''yokozuna''. There are two ways to obtain a big jump in the ''mochikyūkin''. Winning the ''makuuchi yūshō'' (championship) gives a bonus of 30 yen, which increases to 50 yen if the championship was won with a "perfect" (15-0) record. A ''maegashira'' will receive a 10 yen bonus if he can defeat a ''yokozuna'' during a tournament. Such a win is called a ''kinboshi'' (lit. gold star). The value of the ''mochikyūkin'' account is multiplied by 4000 to give the bonus, which is paid six times a year (once for each tournament) to the ''sekitori'' wrestlers. This means that a ''kinboshi'' victory will be worth 240,000 yen per annum additional income for the remainder of the wrestler's career. Although he never won the makuuchi championship, former ''sekiwake'' Akinoshima won 16 ''kinboshi'' during his career,〔(【引用サイトリンク】url=http://sumo.goo.ne.jp/eng/ozumo_meikan/rikishi_joho/rikishi.php?A=7 )〕 which gave him a ''mochikyūkin'' account that was larger than those of many ''ōzeki''. With its strong bias towards large ''kachikoshi'' scores and top division championships, the highest ''mochikyūkin'' accounts are credited to the strongest yokozuna. ''Mochikyūkin'' accounts of over 1000 yen (corresponding to an additional income of 24 million yen per year) have been achieved by the very strongest Yokozuna such as Taihō and Chiyonofuji. ==References== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Mochikyūkin」の詳細全文を読む スポンサード リンク
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