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Samo's people escapes from Tyranno vs new lands

In this closed variation of syicilian game, played during 2013 CIA between Frascati chess and Lazio scacchi (I played for Lazio scacchi) black player initially gains space advantage but he must castling on queen side and, after the change of some minor pieces, it's occures a dangerous position - 21 black to move -(see the diagram under).

 

 

 

 

 

 

 

 


Dangerous is 21... Dxc2 ?? because white captures the queen.. But which is the line to win the game for black? He has less space and like teaches R. Fine in his book on the openings, the player that has less space must change the pieces, like the slave people must run to the freedom..

So, black can use free f file to change the rook and to move enemy queen in other square. Then, black can use the bad position of enemy bishop to change it with own bishop on c1 - h6 diagonal and finally block pawns isles of adversary (... g5, ... a5 and ... b6) and play final game with knight agiainst bishop (after the change of the queens and of the other rooks).

In fact, knight is favoreuble against bishop when there are many pawns on the board (cfr. diagram after 21...Rdf8 22.Qe1 Rxf1+ 23.Bxf1 Bh6 24.Bxh6 Rxh6 {c3 immediately is not good because there is dxc discovery check), so} 25.Rc1 g5 26.Kh1 {(profilathic move)}Rc6 27.Be2 {(c3 is not possible again)} Qc3 {(and white must change the queen because otherwise black queen threatens...Dd2)} 28.Qxc3 Rxc3 29.Bd1 Kc7 30.Rb1 Kc6 31.Rb3 Rxb3 32.cxb3 a5 33.Kg2 b6 34.Bc2 Nc5). I think that this final game is won for black! All black pawns are on black squares and white bishop can't capture them, in addition black kngiht has great freedom to run on the board gaining material. The first situation of danger and closure now is an available condition of play for black (change your way and go away).. Laughing

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