sucaba: In the endgame Dreev shows that active & can easily control Black's a. Instead, 28. d2 would keep the material equilibrium.
In moves 21 till 24 he, this time successfuly, demonstrates that a sequence of moves to capture a weak does work, compare moves 12-17 of
Rublevsky vs Dreev, 2005.
The opening sequence is remarkable: To avoid the attack c8-g4, White defers g1-f3 till Black has locked the c8 in with e7-e6. After the eleventh move, White's almost looks lost, but she is saved by the sacrifice e3-e4!,
which opens the e-file for the .
Later, both s once again return to b1 and c8.
An attempt to detect a white advantage:
20. dxc5 xc5 21. b4 d6 22. b2, e.g. 22. _ d8 23. h7+ h8 24. e4 c7 25. f5 .