<p>Castling is a special feature of a chess game and the idea behind is to keep the King in a fortress so that the opponent has a tough time in infiltrating and invading. Castling can be done on both the King side as well as the Queen side, though the King side is the most favoured one. <br /><br />In the game which follows, Black has an opportunity to castle on either side but wrongly decides to castle on the queen side. <br />There after White unleashes a terrific attack, starting with a knight sacrifice. The Black King then tries to flee back to the King side but White’s pieces stop him in his tracks.<br />White: Alexei Fedorov (2659) – Black: Vlacheslav Dydyshko (2521) <br />Aars, 1999 The Sicilian defence <br />1.e4 c5 The Sicilian defence <br />2.Nf3 e6 3.d3 d5 4.Qe2 This was the trend in the nineties. <br />The usual continuations are 4.exd5 or 4.c3 <br />4...Nc6 5.g3 Nf6 Black can also think about 5...Be7 <br />6.Bg2 Be7 7.0–0 b6 If 7...0–0 8.e5 Ne8 <br />8.e5 White also had 8.Bg5 at his disposal <br />8. ..Nd7 9.c4 d4 10.Nfd2If 10.Ne1 Bb7 11.f4 Na5 12.Nf3 Rc8 13.Nbd2 a6 14.Ne4 b5 15.b3 Qb6 16.Bd2 0–0 17.g4 and White is better <br />10...Bb7 11.f4 Qc7 <br />12.Ne4 a6Black played a new move here. <br />Interestingly Black had the option of castling on either side in this position. <br />If 12...h6 13.Na3 a6 14.Nc2 b5 15.Bd2 b4 16.b3 a5 17.a3 0–0–0 18.axb4 axb4 <br />13.Nbd2 <br />Diagram 1 <br /></p>.<p><br />13...0–0–0 Perhaps castling short appeared a better option at this point. <br />14.a3 h6 15.b4White advances on the queen side <br />15. ..Kb8 Black could have tried to force things on the King side with 15. ..g5 or 15. ..h5. If 15...cxb4 16.axb4 Nxb4 (16...Bxb4 17.Ba3) 17.Ba3. <br />If 15...f5 16.exf6 gxf6 17.bxc5 Bxc5 (17...Nxc5 18.Nxc5 Bxc5 19.Qxe6+) 18.f5 <br />16.Nb3 Ka7 If 16...cxb4 17.axb4 Bxb4 18.Ba3 <br />17.Bd2 Ra8 If 17...f5 18.exf6 gxf6 19.f5 and White stands better <br />18.Rfb1 White had a better continuation in 18.b5 Nd8 19.bxa6 (19.a4 a5) 19...Bxa6 20.a4 <br />18...f5 19.exf6 gxf6 20.b5White missed a good move in 20.bxc5 bxc5 21.Nxf6 Rac8 <br />20. .. Nd8 21.a4 f5 If 21...a5 22.Nxa5 bxa5 23.b6+ Nxb6 24.Bxa5 and White is winning <br />22.a5White sacrifices the knight to open up the gates towards Black King <br />22. .. fxe4 23.axb6+ Nxb6 24.<br />Bxe4White has sacrificed the knight and is now trying to catch the vulnerable looking Black King into a checkmating net <br />24...Kb8 25.Ba5 Kc8Trying to flee in urgency? <br />However Black could have tried to offer better resistance with 25...axb5 26.Bxb6 Qxb6 27.Rxa8+ 26.Bxb7+ Qxb7 27.<br />Qe5White is totally dominating now and is winning. <br />White can also win with 27.Nxc5 Bxc5 28.Qe5 <br />27...Rf8 28.Nxc5 White’s pieces are now intruding and invading <br />28. ..Qa7 If 28...Qb8 29.Qxb8+ Rxb8 30.Nxa6 Rb7 31.c5 and White is better <br />29.Nxe6 Nd7 If 29. ..Rf6 30.Nxd8 Bxd8 31.c5 Nd7 <br />30.Qe2 Rf6 Black hardly has any good moves at his disposal. <br />If 30...Nxe6 31.Qxe6 Qc5 32.Bb4 <br />31.Bxd8 Bxd8 32.Rxa6 Rxe6 If 32...Qb8 33.Rc6+ Kb7 34.Qe4 <br />33.Qxe6 1–0 <br />Diagram 2<br />White to play and win <br />1.. f3+ 2.Kg1 If 2.Kg3 Qxf1 3.Ne3 Bd6+ <br />2...Qxf1+ 3.Kxf1 Rd1 check-mate.<br /><br /></p>
<p>Castling is a special feature of a chess game and the idea behind is to keep the King in a fortress so that the opponent has a tough time in infiltrating and invading. Castling can be done on both the King side as well as the Queen side, though the King side is the most favoured one. <br /><br />In the game which follows, Black has an opportunity to castle on either side but wrongly decides to castle on the queen side. <br />There after White unleashes a terrific attack, starting with a knight sacrifice. The Black King then tries to flee back to the King side but White’s pieces stop him in his tracks.<br />White: Alexei Fedorov (2659) – Black: Vlacheslav Dydyshko (2521) <br />Aars, 1999 The Sicilian defence <br />1.e4 c5 The Sicilian defence <br />2.Nf3 e6 3.d3 d5 4.Qe2 This was the trend in the nineties. <br />The usual continuations are 4.exd5 or 4.c3 <br />4...Nc6 5.g3 Nf6 Black can also think about 5...Be7 <br />6.Bg2 Be7 7.0–0 b6 If 7...0–0 8.e5 Ne8 <br />8.e5 White also had 8.Bg5 at his disposal <br />8. ..Nd7 9.c4 d4 10.Nfd2If 10.Ne1 Bb7 11.f4 Na5 12.Nf3 Rc8 13.Nbd2 a6 14.Ne4 b5 15.b3 Qb6 16.Bd2 0–0 17.g4 and White is better <br />10...Bb7 11.f4 Qc7 <br />12.Ne4 a6Black played a new move here. <br />Interestingly Black had the option of castling on either side in this position. <br />If 12...h6 13.Na3 a6 14.Nc2 b5 15.Bd2 b4 16.b3 a5 17.a3 0–0–0 18.axb4 axb4 <br />13.Nbd2 <br />Diagram 1 <br /></p>.<p><br />13...0–0–0 Perhaps castling short appeared a better option at this point. <br />14.a3 h6 15.b4White advances on the queen side <br />15. ..Kb8 Black could have tried to force things on the King side with 15. ..g5 or 15. ..h5. If 15...cxb4 16.axb4 Nxb4 (16...Bxb4 17.Ba3) 17.Ba3. <br />If 15...f5 16.exf6 gxf6 17.bxc5 Bxc5 (17...Nxc5 18.Nxc5 Bxc5 19.Qxe6+) 18.f5 <br />16.Nb3 Ka7 If 16...cxb4 17.axb4 Bxb4 18.Ba3 <br />17.Bd2 Ra8 If 17...f5 18.exf6 gxf6 19.f5 and White stands better <br />18.Rfb1 White had a better continuation in 18.b5 Nd8 19.bxa6 (19.a4 a5) 19...Bxa6 20.a4 <br />18...f5 19.exf6 gxf6 20.b5White missed a good move in 20.bxc5 bxc5 21.Nxf6 Rac8 <br />20. .. Nd8 21.a4 f5 If 21...a5 22.Nxa5 bxa5 23.b6+ Nxb6 24.Bxa5 and White is winning <br />22.a5White sacrifices the knight to open up the gates towards Black King <br />22. .. fxe4 23.axb6+ Nxb6 24.<br />Bxe4White has sacrificed the knight and is now trying to catch the vulnerable looking Black King into a checkmating net <br />24...Kb8 25.Ba5 Kc8Trying to flee in urgency? <br />However Black could have tried to offer better resistance with 25...axb5 26.Bxb6 Qxb6 27.Rxa8+ 26.Bxb7+ Qxb7 27.<br />Qe5White is totally dominating now and is winning. <br />White can also win with 27.Nxc5 Bxc5 28.Qe5 <br />27...Rf8 28.Nxc5 White’s pieces are now intruding and invading <br />28. ..Qa7 If 28...Qb8 29.Qxb8+ Rxb8 30.Nxa6 Rb7 31.c5 and White is better <br />29.Nxe6 Nd7 If 29. ..Rf6 30.Nxd8 Bxd8 31.c5 Nd7 <br />30.Qe2 Rf6 Black hardly has any good moves at his disposal. <br />If 30...Nxe6 31.Qxe6 Qc5 32.Bb4 <br />31.Bxd8 Bxd8 32.Rxa6 Rxe6 If 32...Qb8 33.Rc6+ Kb7 34.Qe4 <br />33.Qxe6 1–0 <br />Diagram 2<br />White to play and win <br />1.. f3+ 2.Kg1 If 2.Kg3 Qxf1 3.Ne3 Bd6+ <br />2...Qxf1+ 3.Kxf1 Rd1 check-mate.<br /><br /></p>
