Smart neutralization by Verkhovykh. 24.8-13! Prevents 30-24 due to 15-20 4-10 13-19 +1, so Marsel responds with 50-44 to consolidate his attack, but now black is able to neutralize with 18-22 13-19 en 12-18 with draw. 

24. ... 08-13 25. 30-24 15-20 26. 24x15 04-10 27. 15x04 13-19 28. 04x31 19x26