1. e2e4  1... e7e5  2. g1f3  2... b8c6  3. f1b5  3... a7a6  4. b5a4  4... g8f6  5. e1g1  5... f6e4  6. d2d4  6... f8e7 [%c_effect e7;square;e7;type;Interesting;persistent;true] A not-so-popular move but interesting to play as a surprise factor. It has been employed a few times by Carlsen, among others. 7. d4e5 [%c_effect e5;square;e5;type;Inaccuracy;persistent;true] A harmless move, indicating that Kosteniuk was surprised by Koneru's opening choice. 7... e4c5  8. a4c6 