Career
His personal best mark of 2.38 m (7 ft 91⁄2 in) ranks him among the top twenty high jumpers of all-time and at his peak his was the sixth best ever in the event. He represented the Soviet Union three times in major international competition: he was the silver medallist at the European Athletics Championships in 1986, and a finalist at the 1987 World Championships in Athletics and 1989 European Athletics Indoor Championships. He began competing in the 1980s.
In 1983 set a personal best of 2.29 m (7 ft 6 in) in Moscow, then jumped 2.31 m (7 ft 63⁄4 in) in Sochi in 1985.
His first international success came at the 1986 European Athletics Championships, where he equalled his personal best in the high jump final to take the silver medal behind Soviet team mate Igor Paklin. The following year he was selected to represent the Soviet Union at the 1987 World Championships in Athletics but, after qualifying for the final he failed to register a height.
The two other Soviets in the competition, Paklin and Hennadiy Avdyeyenko, reached the medal podium. Following this setback, he went on to clear the greatest heights of his career.
At the beginning of the 1988 indoor season he jumped 2.36 m (7 ft 83⁄4 in) in Moscow and took his first national title at the Soviet Indoor Athletics Championships.
He performed well on the outdoor Soviet circuit that year, jumping an outdoor best of 2.34 m (7 ft 8 in) in Tallinn, then 2.36 m in Dnipropetrovsk. This made him the second best athlete that year, behind Javier Sotomayor who broke the men"s high jump world record. Malchenko"s sole international appearance the following year was at the 1989 European Athletics Indoor Championships, but he could not match his previous form and ended the competition in sixth place with a best of 2.24 m (7 ft 4 in), placing behind fellow Soviet Aleksey Yemelin among others
He competed on the IAAF Grand Prix circuit in 1990 and placed third at the DN Galan and second at the Athletissima and London Grand Prix meets.
He was third on points on the tour that year, behind Hollis Conway and Georgi Dakov. He ranked within the top twenty high jumpers in 1991, having a season"s best of 2.30 m.
His form declined the following year, in which he jumped a best of 2.25 m (7 ft 41⁄2 in) at the Brothers Znamensky Memorial, and he retired from competition. Outdoor high jump – 2.38 m (7 ft 91⁄2 in) (1988)
Indoor high jump – 2.36 m (7 ft 83⁄4 in) (1988).