Interesting variant from computer analyse (A. Getmanski). In this optically losing position black may still continue 31. ... 16-21! 32. 27x16 17-22 with main variant 33. 31-27 22x31 34. 36x27 13-19!! 35. 24x11 25-30 36. 34x25 23x21 37. 16x27 14-19 38. 25x23 18x47