1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. a3

White wants to prevent Bb4, but it is a waste of time.

4... Be7 5. e3 O-O 6. Bd3 d5!

The bishop on c1 has no immediate future.

7. Nf3 c6 8. O-O Ne4 9. Qc2 Bd6 10. b3 Nd7 11. Bb2 Rf6 12. Rfe1 Rh6

With the threat 13... Bxh2+ and 14... Qh4+

13. g3 Qf6 14. Bf1 g5 15. Rad1 g4 16. Nxe4

Forced. If 16. Nd2 then 16... Nxf2 and of course 16. Nh4 is met by 16...Rxh4

16... fxe4 17. Nd2 Rxh2!! 18. Kxh2 Qxf2+ 19. Kh1 Nf6!

Reinforcements are coming!

20. Re2 Qxg3 21. Nb1 Nh5 22. Qd2 Bd7!

The white pieces have no space and Tartakower calmly finishes his development.

23. Rf2

To prevent 23... Rf8

23... Qh4+ 24. Kg1 Bg3! 25. Bc3 Bxf2+ 26. Qxf2 g3 27. Qg2 Rf8

Now 28... Rf2 is serious.

28. Be1 Rxf1+! 29. Kxf1 e5 30. Kg1

30. Ke2 Bg4+ 31. Kd2 Qh2

30... Bg4 31. Bxg3

31. Rd2 Bf3 32. Bxg3 Nxg3 33. Qh2 Qxh2+ 34. Rxh2 exd4 35. exd4 Ne2+ and wins.

31... Nxg3 32. Re1 Nh5 33. Qf2 Qg5 34. dxe5 Bf3+ 35. Kf1 Ng3+

Resigned. If 36. Kg1 then 36... Nh1+

0-1 [P. Atzer (2300)]