[Event "Holland Championship"] [Site "?"] [Round "0"] [White "Euwe"] [Black "Speyer"] [Result "1-0"] [ECO "D04"] [Opening "Colle: 3...c6"] 1. d4 d5 2. Nf3 Nf6 3. e3 c6 4. c4 e6 5. Nbd2 {5.Nc3 is more common.} 5... c5 6. Bd3 Nbd7 7. O-O b6 {Black should have attended to his kingside development.} 8. cxd5 exd5 9. e4 {Since Black is not ready to castle, the opening of the e-file is the logical plan.} 9... Bb7 10. exd5 Bxd5 11. Re1+ Be7 { 11...Be6 12.Bc4} 12. dxc5 Nxc5 { 12...bxc5 13.Qe2 with a nasty pin on the e-file.} 13. Bb5+ Kf8 { There will be no castling.} 14. b3 Bb7 15. Bb2 Nd3 16. Bxd3 Qxd3 17. Rc1 Rd8 { Threatening Bxf3. But Euwe responds with a nice sacrifice.} 18. Rxe7 Bxf3 { 18...Kxe7 19.Ba3+ Ke8 20.Qe1+ Ne4 21.Rc7 Rd7 22.Rxb7 Rxb7 23.Nxe4 The threat of discovered check forces the win of additional material.} 19. Ba3 { Now Euwe sacrifices the queen, though this, too, must be declined.} 19... Qa6 { 19...Bxd1 20.Re3+ Kg8 21.Rxd3 Rxd3 22.Rc8+} 20. Rcc7 { The queen remains under attack, but it still cannot be captured.} 20... Qxa3 { 20...Bxd1 21.Rxf7+ Kg8 22.Rxg7++} 21. Rxf7+ Ke8 { 21...Kg8 22.Rxg7+ Kf8 23.Rcf7+ Ke8 24.Qe1+} 22. Qe1+ 1-0