[Event "Goteborg"] [Site "?"] [Round "0"] [White "Carls"] [Black "Euwe"] [Result "0-1"] [ECO "A13"] [Opening "English: 1...e6 2.Nc3"] {The weakness of the Pseudo Stonewall} 1. c4 e6 2. Nc3 c5 3. e4 Nc6 4. f4 Nge7 5. Nf3 d5 6. d3 g6 7. Be2 Bg7 8. O-O O-O {White's great trouble in the Pseudo-Stonewall is the weak square at d4. Black can take advantage of this by opening the d-file and basing his whole strategy on this one weakness. In this position, the Black bishop on g7 is particularly powerful} 9. Bd2 (9. Be3 d4) 9... Nd4 10. Be1 b6 11. Bh4 {Intending a Kingside attack, but it soon becomes clear that Black has nothing to fear .. thanks largely to hs centralized Knight on d4} (11. Bf2) 11... Bb7 12. cxd5 exd5 13. Nxd4 (13. Nxd5 Bxd5 14. exd5 Ndf5 {quickly recovering the pawn with an excellent position}) 13... Bxd4+ 14. Kh1 Qd7 15. f5 $2 {The long prepared attack; but it really has no chance of achieving anything, since Black's pieces are posted much better than White's} (15. Bxe7 Qxe7 16. Nxd5 Bxd5 17. exd5) 15... dxe4 16. dxe4 gxf5 17. exf5 (17. Bxe7 Qxe7 18. exf5 Rad8 19. Qe1 Rfe8 $17) 17... Nxf5 18. Bf2 (18. Bg4 Nxh4 19. Bxd7 Bxg2#) 18... Kh8 19. Bg4 Rg8 20. Bxd4+ cxd4 21. Rxf5 (21. Bxf5 Bxg2+ 22. Kg1 Bc6+ 23. Kf2 Qxf5+) 21... Rxg4 22. Qxg4 Rg8 23. Qxg8+ (23. Rg5 Qxg4) 23... Kxg8 24. Rg5+ Kf8 25. Nd1 Qe7 26. h4 Qe1+ 27. Kh2 Qxh4+ 0-1