3-point system, which gave one point for each of three rounds (therefore 3–0 stands for a clean victory by points, 2–1 means that defeated opponent dominated one round, 1–1–1 stands for a draw or ex aequo, which was a very rare occurrence.) It coexisted for a long time with 3-vote decision system, and 5-vote decision system, which resembled professional boxing decision-making system, it took five judges voting either for victory or a draw (in the 5-vote system, 5–0 stands for unanimous decision, 4–1 for majority decision, 3–2 for split decision, 3–1–1 for split decision and one judge ruled a draw. In the 3-vote system, 3–0 stands for unanimous decision, 2–1 for split decision, 0–0–3 for a draw, with no majority decision option.) Depending on the tournament regulations an extra round or rounds could be appointed on the sudden death principle if there was no clear winner. All mentioned systems were practised in combination with each other (i.e. judges were supposed not only to pick up a winner, but also to fill-in scorecards,) creating complexity with points, scorecards, etc. Tournaments and championships usually employed the 5-vote system. International duals usually employed the 3-vote system, with two judges represented the guest nation, and one judge represented the host nation. Both systems lead to a number of controversial and officially contested results, as punch statistics (thrown-to-landed) mostly wasn't accounted for by either one. At the 1960 Rome Olympics preliminaries, after Soviet Oleg Grigoryev was controversially ruled a winner over Great Britain's Francis Taylor, the IOC decided to relieve some 15 of the referees and judges of their duties before the quarterfinals. After the 1988 Seoul Olympics controversy, when the clearly dominant finalist Roy Jones Jr. of the U.S. (whom even the Soviet judges ruled to be a winner, let alone the commentators and his beaten opponent, who himself apologized for the injustice) was virtually robbed of the gold medal, a new system was created and implemented, where only clean punches score, though a controversy still exist as to what is a clean punch in one's personal opinion, leading to another dubious results. The semifinals of the 1996 Atlanta Olympics proved the new points system susceptible to controversy as well, when Kazakhstani Vassiliy Jirov was pronounced a 15–9 score winner over U.S. Antonio Tarver, with many observers were left confused, believing Tarver was dominant through the entire bout. Computer scoring was introduced to the