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World Chess Candidates Tournament 2013. Results and games with commentary by Boris Schipkov

Round 14, 1.04.2013
Carlsen-Svidler 0-1. The Spanish Game. 11.a4 is a novelty. However Peter had real counterplay. After the dubious 21...g6 Magnus obtained the slightly better chances, but 30.Bh8 was more precise. Then after the weak 31.f3? Peter attacked with the powerful 31...Nf4!, grabbed a pawn and won. Correct was 31.Bd5!.
Ivanchuk-Kramnik 1-0. The Pirc-Ufimtsev Defence. Vassily had a small edge due to weaknesses in Black's camp. He played well and won after the strong 38.b5.
Gelfand-Grischuk 1/2. The Gruenfeld Defence. With counterplay.
Aronian-Radjabov 1-0. The King's Indian Defence. Levon got a slight advantage, then Teimour equalized. White had 2 rooks vs a queen. After a mistake 29...a4 Black lost.
World Chess Candidates, London 2013. Round 14: Games

Round 13, 31.03.2013
Radjabov-Carlsen 0-1. The Nimzo-Indian Defence, 4.Qc2. Teimour had the two bishops advantage. Magnus traded the dark-squared bishop with 16...Nxe3 and got good counterplay. Then better was 20...Bf7. In the endgame Magnus won a pawn, 73...Bxa4. 80.Nc4 was a mistake.
Grischuk-Aronian 1/2. The Slav Defence, 4.g3. Levon grabbed a pawn, 4...dxc4. Alexander took a pawn back, 9.Nxc4. White had only a slight edge in the ending.
Kramnik-Gelfand 1/2. The Gruenfeld Defence. Vladimir played the rare 5.e3 in such positions after 3.g3. With counterplay. Black sacrificed a pawn, in the opposite-colored bishops endgame he could fight for a draw. Perpetual check.
Svidler-Ivanchuk 1-0. The French Defence. With equality. Peter sacrificed a pawn to keep Black's king in the centre. After a mistake 23...Qf5? White had the better chances, correct was 23...Nd6. Ivanchuk again lost on time (his flag fell in 5 games).
World Chess Candidates, London 2013. Round 13: Games

Round 12, 29.03.2013
Carlsen-Ivanchuk 0-1. The Sicilian Defence, the Paulsen. After 10...d5 and 12...b6 Vassily obtained good counterplay, got the slightly better chances in the endgame, grabbed a pawn 47...Nxe5. However the ending was drawish, but then Vassily had two extra pawns in the rook endgame and won.
Gelfand-Svidler 1/2. The Gruenfeld Defence. An original, nontheoretical position after 8.Qe4. White had two bishops.
Aronian-Kramnik 0-1. The Semi-Tarrasch Defence. Levon preferred 6.e3, Svidler played e4 in round 1. In the position with the isolated pawn d4 Vladimir played the risky and aggressive 10...f5. Then Levon bravely sacrificed his bishop! What a fight! After mistakes in the complex positions Black had a bishop vs 2 pawns in the endgame with rooks. Better were 20...Rac8, 21.Rh5 and 21...Qf4. Kramnik could probably catch up Carlsen, but it was unclear. Vladimir could have won with 30...Rc8, then the endgame was drawish, but Levon blundered with 50.g6?, correct was 50.h6 and a draw. An "epic battle", said Kramnik after the game.
Radjabov-Grischuk 1/2. The Ragozin Defence. With equality in the opening. In the rook endgame Teimour had two extra pawns f and h, a draw.
World Chess Candidates, London 2013. Round 12: Games

Round 11, 28.03.2013
Grischuk-Carlsen 1/2. The Gruenfeld Defence. Alexander surprised all the world with 5.h4. Magnus had sufficient counterplay.
Kramnik-Radjabov 1-0. The King's Indian Defence or the English Opening. Vladimir played the fianchetto variation 3.g3, had the better chances in the middlegame, won the exchange with a nice trap.
Svidler-Aronian 1-0. The Nimzo-Indian Defence, the rare line 4.a3. Peter seized space with 22.c5, had a small advantage thanks to a good knight in the centre, and grabbed a pawn. Stronger was 23...Nd5.
Ivanchuk-Gelfand 1/2. The Gruenfeld Defence. 5.Bf4, a quick draw.
World Chess Candidates, London 2013. Round 11: Games

Round 10, 27.03.2013
Carlsen-Gelfand 1-0. The Sicilian Defence. Magnus played 3.Bb5 like Anand in WCC, Grischuk, and Magnus continued 4.0-0 instead of 4.Bxc6 vs Radjabov, got a slight edge. Then Magnus found an excellent plan: to storm on the queenside with b2-b4, and obtained a clear edge. He could attack all over the board! Magnus sacrificed his queen 28.Qa5!, hoped for 28...Rxa5 29.Rd8+ Be8 30.Rxe8 checkmate! The ending was better for White.
Aronian-Ivanchuk 1-0. The rare Budapest Gambit. Not every bird can fly to the middle of the Danube. But Levon grabbed a pawn, attacked on the kingside and won after a rival's blunder, 28...Rh8?, better was 28...h5. Vassily lost on time (4 games).
Radjabov-Svidler 1/2. The Gruenfeld Defence. Peter grabbed a pawn, a quick draw by repetition.
Grischuk-Kramnik 0-1. The Spanish Game, the Berlin Defence. Vladimir won the endgame after Alexander's mistake 30.Bxd4?.
World Chess Candidates, London 2013. Round 10: Games

Round 9, 25.03.2013
Kramnik-Carlsen 1/2. The Catalan Opening. A sharp line, 11...c5 was better. Vladimir won a pawn with 23.Rxa7, but Magnus defended well. The endgame was drawish.
Svidler-Grischuk 1/2. The King's Indian Saemisch System. Alexander sacrificed a piece! Peter gave his queen! A draw.
Ivanchuk-Radjabov 1-0. The Queen's Gambit Declined, the Lasker Variation. White had a slight edge, won in the rook endgame.
Gelfand-Aronian 1-0. The Queen's Gambit Declined, 5.Bf4. Levon chose the Dutch Stonewall structure. Gelfand played Be5 two times, 9.Be5 and 11.Be5. With equality. Then Black played the risky 25...Rxd4?, correct was 25...Re8=. After 28.e6 White had the better chances.
World Chess Candidates, London 2013. Round 9: Games

Round 8, 24.03.2013
Carlsen-Aronian 1/2. Notes by Boris Schipkov. The Catalan Opening. Levon produced a novelty 15...c6 and got real counterplay.
Radjabov-Gelfand 0-1. The English Opening. With equality in the opening. After several White's mistakes Black won in the complex ending.
Grischuk-Ivanchuk 1-0. The Sicilian Defence, the Dragon. Alexander had a small advantage, then the game was equal. In mutual time trouble Vassily again lost on time.
Kramnik-Svidler 1-0. The Gruenfeld Defence. A theoretical duel... in the endgame. 14...Ne5 is a novelty, Vladimir had only a tiny edge, but he gradually outplayed the opponent with the help of the powerful pawn salient in the centre.
World Chess Candidates, London 2013. Round 8: Games

Round 7, 23.03.2013
Carlsen-Radjabov 1/2. The Sicilian Defence with 3.Bb5, 4.Bxc6 and 5.b3. White gained some advantage due to the ugly pawn structure of Black on the queenside. But Black got good play on the kingside with the original 22...Ng2 and probably could have won.
Aronian-Grischuk 1/2. The Queen's Indian Defence, 4.g3.
Gelfand-Kramnik 1/2. The Nimzo-Indian Defence, the main line after 4.e3 as in Radjabov-Kramnik. Better was 19.Nfg5.
Ivanchuk-Svidler 1/2. The Scotch Game. Bishop+knight vs rook+2 pawns.
World Chess Candidates, London 2013. Round 7: Games

Round 6, 21.03.2013
Svidler-Carlsen 0-1. The Spanish Game. Magnus attacked in the centre with 17...d5! and 23...e4, and after Peter's mistake 25.Bxd4? could have obtained a clear edge with 25...Bxh3. But Magnus preferred 25...exd3 with a small advantage. Then after the next error 33.Qh5? Magnus quickly won.
Kramnik-Ivanchuk 1/2. The Catalan Opening. Vassily used a rare plan with ...Bd6. Vladimir had the better pawn structure for the exchange, sacrificed a bishop, perpetual check was possible, however Vladimir continued the risky attack in time trouble of Ivanchuk, a draw.
Grischuk-Gelfand 1/2. The Sicilian Defence. Alexander played 3.Bb5 like Anand. A very complicated position.
Radjabov-Aronian 0-1. The Spanish Game. Levon traded the light-squared bishops. Teimour tried to attack on the kingside, in the ending he lost after a big mistake, 53.Nxe5.
World Chess Candidates, London 2013. Round 6: Games

Round 5, 20.03.2013
Ivanchuk-Carlsen 1/2. The Gruenfeld Defence. Vassily got an advantage in development, grabbed a pawn, in the end he had an extra knight.
Svidler-Gelfand 1/2. The Gruenfeld Defence. Peter stormed on the king's wing with 15.g4, 23.Qh3, but erroneously gave a pawn.
Kramnik-Aronian 1/2. The Reti Opening. Vladimir sacrificed a pawn, attacked on the kingside with 21.f5, but then erroneously traded queens, and Levon could equalize. In the opposite-colored bishops endgame White had two extra pawns. Looks drawish.
Grischuk-Radjabov 1/2. The Queen's Gambit Declined. With counterplay. A knight vs pawns.
World Chess Candidates Tournament, London 2013. Round 5: Games

Round 4, 19.03.2013
Carlsen-Grischuk 1-0. Spanish. Magnus took the c6 knight with his bishop, doubled pawns. Alexander sacrificed the exchange 24...Rxa5, had only 2 minutes for 14 moves. Magnus played well and won.
Radjabov-Kramnik 1/2. Nimzo-Indian Defence, the main line after 4.e3, Vladimir took the knight on c3 and played ...Nbd7. Leko played ...Nc6 against Sokolov, but after 10.Bg5, Teimour continued 10.Qe2 and then 11.Bg5. Vladimir attacked with 14...Ng4, almost the Siberian Trap, with the idea ...Bxf3 and ...Qxh2 checkmate! Black had the slightly better chances.
Aronian-Svidler 1/2. Fantastic! Peter preferred the Queen's Gambit Accepted, not the Gruenfeld! Levon grabbed a pawn, but could not keep it.
Gelfand-Ivanchuk 1/2. The rare Chigorin Defence. Could Vassily play 40 moves? No, 35 moves. A sharp fight, Ivanchuk sacrificed a knight, perpetual check.
World Chess Candidates Tournament, London 2013. Round 4: Games

Round 3, 17.03.2013
Gelfand-Carlsen 0-1. Magnus played ...Qa5, the Cambridge Springs in the QGD, had the better chances in the ending.
Ivanchuk-Aronian 0-1. 1.d4 Nf6 2.Bg5 e6 3.Nd2. Unusual. Vassily tried to attack on the king's wing with 9.h4, but Levon played well and gained the two bishop advantage. A wild game, Ivanchuk again lost on time.
Svidler-Radjabov 1-0. Peter played the sharp Saemisch System against the King's Indian. Teimour sacrificed a pawn, then Peter had bishop+knight vs rook. White was better.
Kramnik-Grischuk 1/2. Gruenfeld with 3.g3. A theoretical duel. In this line Grischuk lost to Gelfand in the decisive game in Candidates Matches 2011 in Kazan. Vladimir grabbed a pawn, however Alexander had sufficient compensation, because White's kingside was weak, Black's queen was strong.
World Chess Candidates Tournament, London 2013. Round 3: Games

Round 2, 16.03.2013
Carlsen-Kramnik 1/2. English Opening. Magnus seized the open b file in the endgame, but Vladimir traded rooks and equalized.
Grischuk-Svidler 1/2. Spanish. Unclear.
Radjabov-Ivanchuk 1-0. Vassily played the Dutch Defence, Teimour chose a rare move, 11.dxe5.
Aronian-Gelfand 1-0. English Opening. Levon had a small advantage in the endgame, pressure on the queenside, grabbed a pawn.
World Chess Candidates Tournament, London 2013. Round 2: Games

Round 1, 15.03.2013
Aronian-Carlsen 1/2. 1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ The Bogo-Indian Defence. After 11.Be2 Magnus equalized with 11...dxc4, better was 11.cxd5 with a slight edge in the Carlsbad structure.
Gelfand-Radjabov 1/2. Notes by Boris Schipkov. 1.d4 e6 2.c4 Bb4+ Not King's Indian! Also the Bogo-Indian, 6...d6 is not the sharp main line. White seized space and had a slight advantage, but then Teimour got good counterplay with the strong 16...d5!.
Ivanchuk-Grischuk 1/2. Catalan. With equality, but Vassily beat Tatiana Kosintseva in this line in 2010. Looks drawish.
Svidler-Kramnik 1/2. 1.d4 Nf6 2.c4 e6 3.Nc3 d5 4.cxd5 Nxd5 A rare opening, the Semi-Tarrasch Defence. Surprizes! Peter had a small advantage in the endgame.
World Chess Candidates Tournament, London 2013. Round 1: Games

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