2011 Asian Individual Open Chess Championship Round 4 : Yu Yangyi joins Bu Xiangzhi at the top , Adhiban crushed Wesley So!

 Yu Yangyi defeated  A Pourramezanali in 25 moves of a Catalan Opening to join Bu Xuangzhi at the top after four rounds of the Asian Individual Open Chess Championship 2011. Wesley So
of the Philippines engaged the lower rated  B.Adhiban in a street  fight chess and paid dearly for it losing in 57 moves of a Closed Catalan.So sacrificed a Knight  to create a passed pawn on b file in the middle game but Adhiban defended brilliantly to foil all the attack thrown at him by So.  Instead of playing safe against lower rated opponents, So again opted to fight it out and take the risk.
Round 4 results

1. Harikrishna,P            Bu Xiangzhi     draw  Slav Defense 35 moves
2. Sasikiran K              Jumabayev,R     draw  Semi-Slav ,42 moves
3. Yu Yangyi                Pourramezanali A    1-0   Open Catalan,25 moves
4. Negi,P                     Wen Yang     1-0 
5. Adhiban B               So Wesley     1-0 Closed Catalan,57 moves
6. Megaranro,S           Ganguly S     draw  QGA ,44moves
7. Kunte,A                  Zhou Weiqi     draw  Anti-Kings Indian , 31 moves
8. Zhao Jun                 Laylo,D     draw     English Opening  57 moves
9. Dao Thien Hai         Gopal GN     draw
10. Kasimzhanov,R        Lu Shanglei     1-0   Semi-Slav 37 moves
11. Nguyen Ngoc T S    Yu Ruiyuan     1-0    Slav Defense 32 moves
12. Ghaem Maghani E     Yang Kaiqi     draw   Sicilian Dragon , 54 moves
13. Cao Sang                 Wang Chen     draw    Sicilian Defense 39 moves
14. Ismagambetov A      Paragua,M     draw   Sicilian Scheveningen, 28 moves
15. Gomez,JP                Debashis D     draw    Slav Defense 32 moves
16. Lou Yiping               Moradiabadi,E     0-1   Semi-Slav ,82 moves
17. Alavi,Sayed             Sethuraman SP     draw   Sicilian Defense 45 moves
18. Al-Ali Hussein         Barbosa,O     0-1    Sicilian Defense  30 moves
19. Bakr,J                    Vidith Santosh     0-1   Caro Kann, 43 moves
20. Sadeh,S                 Darini,P      draw    Reti Opening   53 moves
21. Noroozi,O             Ahmadinia E     1-0  KID  ,82 moves
22. Shyam Sundar        Arabii S     1-0   Sicilian Defense 20 moves
23. Khademi M            Gao Rui    0-1   Sicilian Defense 23 moves
24. Hao Yifan               Annageldyev,O     draw  Giuco Piano ,50 moves
25. Vaibhav,S              Yang Chhing Wei     1-0  French Defense 27 moves

 STANDINGS AFTER ROUND 4

 3.5 pointers ---        Bu Xiangzhi ; Yu Yangyi

3.0 pointers  ---        Negi,P ;    Sasikiran,K  ; Jumabayev R; Harikrishna,P
                                Adhiban,B

2.5 pointers ---         Laylo,D ;  Zhou Weiqi ;  Ganguly S ;  Pourramezanali,A
                                Barbosa,O ;  Wen Yang ; Moradiabad E ;  Dao Then Hai
                                Kasimdzhanov,R  ;   Kunte,A  ;   Nguyen Ngoc Truong Son ;
                                Zhao Jun  ;    Megaranto,S  ;

2.0 pointers---          So,Wesley  ;   Sethuraman,SP  ;  Gopal GN  ;  Debashis,D
                                 Vidith Santosh,G  ; Ghaem Maghami E ;   Noroozi O   ;
                                 Cao Sang  ; Yang Kaiqi   ;  Wang Chen  ;  Paragua M  ;
                                 Ismagambetov,A ;    Gomez,JP   ;     Alavi,Sayed Javad

1.5 pointers ---          Lu Shanglei  ;   Darina,P  ;  Yu Ruiyuan  ;   Gao Rui
                                  Lou Yiping   ;  Shyam,Sundar  ;  Al-Ali Hussein Ali Hussein
                                  Sadeh,Shahin

 1.0 pointers ---         Bakr,Jwan  ;  Ahmadinia,E  ;  Arabi.Saeid  ;  Vaibhav Suri

0.5 pointers ---          Hou Yifan   ;   Khademi Mohammad Miran  ; Annageldyev, O

0  pointer ---             Yang Ching Wei Austin