[Event "New York"] [Site "?"] [Round "0"] [White "Reti"] [Black "Bogolyubov"] [Result "1-0"] [ECO "A09"] [Opening "Reti: 2.c4"] {The Stonewall deformed by exchange of pieces on e4} 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Bd6 5. O-O O-O 6. b3 Re8 7. Bb2 Nbd7 8. d4 c6 9. Nbd2 Ne4 10. Nxe4 dxe4 11. Ne5 f5 {This games shows the difficulties caused by Black's premature ... Ne4, which has produced some sort of deformed Stonewall. When the Black Knight is exchanged at e4, Black does best to recapture with the f-pawn, and this of course, requires that Black should have played ... Pf5 before inviting the Exchange} 12. f3 $1 exf3 13. Bxf3 { White means to break the position wide with Pe4} (13. exf3) 13... Qc7 14. Nxd7 Bxd7 15. e4 e5 (15... -- 16. e5 Be7 17. d5) 16. c5 Bf8 17. Qc2 $1 exd4 18. exf5 Rad8 19. Bh5 {Beginning the decisive attack} 19... Re5 20. Bxd4 Rxf5 21. Rxf5 Bxf5 22. Qxf5 Rxd4 23. Rf1 Rd8 24. Bf7+ Kh8 25. Be8 $3 {interference:)} 1-0