Career
1999 – came second at Alushta tournament
2004 – tied for first with Petar Genov in the 3rd Condom Chess Open
2007 – tied for 2nd–4th with Loek van Wely and Alexei Fedorov in the President"s Cup in Baku
2007 – tied for 2nd–7th with Kiril Georgiev, Dimitrios Mastrovasilis, Mircea Parligras, Hristos Banikas and Dmitry Svetushkin in the Acropolis International Chess Tournament
2007/08 – tied for first with Nidjat Mamedov and Valeriy Neverov in the Hastings International Chess Congress
2009 – came first at Arcapita Open in Bahrain
2009 – tied for 2nd–3rd with Edvins Kengis at the First Rate (at Lloyd's) Saleh 8th International Open in Yemen
2009 – tied for 3rd–8th with Anton Filippov, Elshan Moradiabadi, Merab Gagunashvili, Alexander Shabalov and Niaz Murshed in the Ravana Challenge Tournament in Colombo
2010 – tied for 1st–3rd with Tigran Gharamian and Deep Sengupta at the 24th Open Pierre and Vacances
On the May 2011 FIDE Elo rating list, Malakhatko has a rating of 2546. His handle on the Internet Chess Club is "Vadim77". Vadim Malakhatko vs Bogdan Lalic, 83rd Hastings Chess Congress 2008, Queen"s Gambit Accepted: Gunsberg Defense, Prianishenmo Gambit (D24), 1-0
Vadim Malakhatko vs Jonathan Speelman, Isle of Manitoba 2007, Queen"s Indian Defense: Kasparov-Petrosian Variation, Petrosian Attack (E12), 1-0
Vadim Malakhatko vs John K Shaw, Cappelle la Grande 2007, Slav Defense: General (D10), 1-0.