[Event "Checkmate Pattern"] [Site "masterchessopen.com"] [Date "2017.03.21"] [Round "0"] [White "Mortimer's Trap"] [Black "Stockfish"] [Result "0-1"] [ECO "C65"] [Opening "Spanish: Berlin, 4.d3"] 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 { , became immensely popular after Vladimir Kramnik used it against Garry Kasparov to fend off his Ruy Lopez in their World Championship match, London 2000. In recent times White has been trying to avoid the main line by playing } 4.d3 { However, in 2008 much excitement has arisen from a seemingly new idea: the odd-looking } ( 4.O-O Nxe4 5.d4 Nd6 6.Bxc6 dxc6 7.dxe5 Nf5 8.Qxd8+ Kxd8 9.Nc3 { and Kramnik drew every one. } ) 4...Ne7 { which has caused a sensation. The idea is that } {#R} 0-1