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Saturday, February 21, 2009

Topalov-Kamsky Game 4:Kamsky ties the match!

Game four of the Topalov-Kamsky match has been played and Kamsky tied the match by winning the game. Kamsky began the game by playing the Ruy Lopez Opening, one which gives good play for both sides. What transpired next is a surprise to me:Topalov decided to play the Flohr-Zaitsev variation for Black (why not play the Berlin Defense again? Topalov apparently feared that Kamsky would be able to improve on his play from the game he lost as white). The Flohr-Zaitsev variation was made famous by former World Chess Champion Anatoly Karpov who used it against Kasparov in a number of their matches (Zaitsev was one of Karpov's trainers). Here is how the game transpired :

Kamsky,Gata (2796) - Topalov,Veselin (2725) [C92]
FIDE Candidates 2009 (4), 21.02.2009
[,Wayne,Deep Rybka 3]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Kamsky tries the Ruy Lopez again to try and draw equal in the match. 3...a6!? A surprise. Topalov had won with the Berlin Defense. Was he trying to spoil and waste all the work Kamsky and his seconds had done trying to crack the Berlin defense? 4.Ba4 Nf6 The main continuation, developing another minor piece, and attacking Kamsky's unprotected e-pawn. 5.0-0 The most popular continuation, Kamsky invites Topalov to play the Open Defense of the Ruy Lopez 5...Nxe4. 5...Be7 The main continuation, simply developing another minor piece, and preparing to castle on the kingside. 6.Re1 Spending a tempo to prevent the loss of his e-pawn. 6...b5 Driving back Kamsky's bishop once again, preventing Kamsky from playing the deferred exchange variation (7.Bxc6). 7.Bb3 The only square the bishop can move to. Now however,the bishop hits the weak f7-point in Topalov's position. 7...d6 This is the most often played continuation for Black, Topalov overprotects his e-pawn, which frees up his queen's knight to hassle Kamsky's bishop via ...Na5. 8.c3 The most often played continuation, allowing the bishop to escape and attack by the Black knight (ie....8...Na5). 8...0-0 The most often played continuation. 9.h3 Kamsky spends a tempo in order to prevent Topalov from playing ....Bg4. 9...Bb7 This move defines the variation of the Ruy Lopez being played, it is known as the Flohr-Zaitsev variation, used by Karpov in many games of his WC matches with Kasparov. Zaitsev is one of Karpov's trainers. This variation leads to very sharp tactical play. Black's ambitious plan is to obstruct the classic Spanish manoeuvre Nf1-g3 by exerting rapid pressure on e4. The counterpoint to this plan is that White gains immediate attacking chances, but if Black can defend successfully then his queenside majority is often decisive. 10.d4 The main continuation attacking in the center, and opening the d2-square so Kamsky can complete the development of his minor pieces. 10...Re8 The most popular continuation. The idea behind this move is to give more protection to his e-pawn by playing the retreat ....Bf8. 11.Nbd2 Developing another minor piece. 11...Bf8 Spending a tempo to overprotect his e-pawn. 12.Ng5 A less-popular contination. Kamsky creates a double attack against Topalov's f-pawn. [Analysis:The main line is: 12.a4 h6 13.Bc2 exd4 14.cxd4 Nb4 15.Bb1 c5 16.d5 Nd7 17.Ra3 f5 18.Nh2 Nf6 19.Rf3 Re5 20.Rxf5 Rxf5 21.exf5 Bxd5 22.Ng4 Bf7] 12...Re7 Almost always played in this position, Topalov is forced to spend a tempo to defend his f-pawn. 13.d5 Attacking Topalov's knight, winning a tempo.This move also results in the center of the board becoming closed,which means that until Topalov moves his knight and plays ....c6 the center will stay closed. 13...Nb8 Topalov intends to move this knight to d7 immediately. [Analysis:In my database of games the move 13...Na5 is the most popular continuation, with play most often continuing: 14.Bc2 c6 15.b4 Nc4 16.Nxc4 bxc4 17.dxc6 Bxc6 18.Qe2 h6 19.Nf3 Rc8] 14.Nf1 The most popular continuation, allowing him to develop his dark-squared bishop. 14...Nbd7 Topalov redevelops his knight, now his knights mutually support each other. [Analysis:In my database, the move 14...h6 is more popular: 15.Nf3 c6 16.Ne3 (16.dxc6 Nxc6 17.Ng3 (17.Ne3) ) 16...Re8 (16...Rc7) ] 15.Ng3 The only move White has played in this position in my database,threatening Nf5. 15...g6 Preventing Kamsky from playing Nf5. [Analysis:According to my database the moves 15...h6 ; and 15...Nc5 have also been played in this position.] 16.Bc2N This move is a theoretical novelty for the position,Kamsky overprotects his e-pawn at the cost of making the bishop extremely passive. [Analysis:Prior to this game only the move 16.Be3 had been played:3 games the first between Romanishin and Beliavsky, in 1979 1-0] 16...h6 Forcing back the knight which wins a tempo. [Analysis:Deep Rybka 3 preferred to play 16...Re8 with a possible continuation being: 17.Be3 Nb6 18.Qe2 h6 19.Nf3 c6 20.dxc6 Bxc6 21.Bb3 a5 22.a3 a4 23.Ba2 Nc4 =] 17.Nf3= The only free square the knight can be moved to. Deep Rybka 3 evaluates this position as equal. 17...Nb6 Topalov moves the knight to b6 instead of d7 because he wants to move his queen to d7 in the immediate future. [Analysis:Deep Rybka 3:Preferred to play 17...Re8 with this continuation possible: 18.Be3 c6 19.dxc6 Bxc6 20.Qd2 Kh7 21.Red1 Qc7 22.Nh2 Nc5 23.Ng4 Nxg4 24.hxg4 a5 =] 18.h4 Kamsky prevents Topalov from advancing his g-pawn to g5. [Analysis:Deep Rybka 3:The program gave a better evaluation to the move 18.a4: >=18.a4 Bg7 19.a5 Nbd7 20.Be3 Rc8 21.Qd2 Qf8+/=] 18...Qd7 Topalov plays this move in order to allow him to move his queen's rook to f8 in the near future (after his dark-squared bishop is moved to g7). [Analysis:Deep Rybka 3: 18...Re8 19.h5 g5 20.b3 Bc8 21.Nh2 Rb8 22.Be3 Qe7 23.Qd2 Bg7 =] 19.Nh2 Kamsky intends to move this knight to f1 and then to e3 in the immediate future. [Analysis:Deep Rybka 3: 19.h5 Ree8 20.a4 Nxa4 21.Bxa4 bxa4 22.hxg6 fxg6+/=] 19...Bg7 Indirectly overprotecting his e-pawn. 20.h5 Threatening hxg6 gaining a half-open h-file. [Analysis:Rybka 3: 20.h5 Rf8 21.b3 c5 22.Be3 Qc8 23.Qd2 Kh7 24.Bd3 Qc7 +=] 20...Rf8 Transferring the rook to the kingside where it can be used to defend his position there. [Analysis:Deep Rybka 3: 20...c5 21.Nf3 Rf8 22.Nh4 Qe8 23.a4 Rc7 24.Qf3 Nh7 25.axb5 axb5 26.Nf1 Bc8 27.hxg6 fxg6 28.Qe2 Ng5 +/=] 21.Nhf1 Intending to move the knight to e3. [Analysis:Deep Rybka 3: >=21.b3 Ree8 22.Be3 Rd8 23.Qd2 Kh7 24.Qe2 Rb8 =] 21...c6 Threatening to win a pawn after 22...cxd5 23.exd5 B or N xd5. 22.dxc6 [22.Ne3 Rfe8 23.dxc6 Qxc6 24.a4 Nxa4 25.Rxa4!? bxa4 26.Bxa4 Qc7 27.Bxe8 Rxe8+/=] 22...Qxc6 [Analysis:Worse is 22...Bxc6 23.b3 Re6 24.Ba3 Rd8 25.Ne3 d5 26.hxg6 fxg6 27.exd5 Nfxd5 28.Ne4 Ree8 +=] 23.Ne3= Deep Rybka evaluates this position as equal (=). [Better is 23.Qd3 d5 24.hxg6 fxg6 25.exd5 Nbxd5 26.f3 Qc5+ 27.Be3 Nxe3 28.Qxe3 Qxe3+ 29.Rxe3 Nd5 30.Rd3 Nf4 31.Rd6 Rf6 32.Rxf6 Bxf6+/=] 23...Kh7 Overprotecting his g-pawn at the cost of placing his king on the same diagonal as Kamsky's white-squared bishop. [Analysis:Deep Rybka 3:(a) 23...Rd8 24.Qd3 Rc7 25.hxg6 fxg6 26.Nd5 Nfxd5 27.exd5 Qxd5 28.Qxd5+ Nxd5 29.Bxg6 Ne7 30.Bc2 Kf7+/=; (b)Better is 23...d5 24.hxg6 fxg6 25.exd5 Nfxd5 26.Nxd5 Nxd5 27.Be4 Qe6 =] 24.Qf3 Kamsky is forced to spend a tempo to prevent the loss of his triple-attacked e-pawn. [Analysis:Deep Rybka 3: >=24.a4 Nxa4 (24...bxa4 25.Bxa4 Nxa4 26.Rxa4 Rb8+/=) 25.Bxa4 bxa4 26.Rxa4 Rb8 27.Qc2 Rd7 28.Rc4 Qb6 29.Nd5 Bxd5 30.exd5 Nxd5 31.b4 Ne7 32.hxg6+ fxg6 with sufficient compensation for the pawn.] 24...Bc8 Placing the bishop where it has more mobility.In addition Topalov might have plans of playing ...g6-g5-g4. [Analysis:Deep Rybka 3: 24...Rd7 25.Rd1 d5 26.exd5 Nbxd5 27.Nxd5 Rxd5 28.Rxd5 Qxd5 29.Qxd5 Nxd5 +=] 25.Rd1 Occupying the half-open d-file which gives the rook more mobility. Because of this move Kamsky can play a knight to d5 in the future if he desires to. [Analysis:Deep Rybka 3: 25.Rd1 Be6 26.Bb3 Bc8 27.Qe2 Rd8 28.Qd3 a5 29.Bc2 Be6 30.b3 Red7 =] 25...Be6 Topalov overprotects the d5-square which makes it impossible for Kamsky to play Nd5 in the future. 26.b3!? Preventing...Nc4, however this leaves his c-pawn enprise, in other words Kamsky is offeringa pawn sacrifice. [Analysis:Deep Rybka 3:The program gave a better evaluation to the move >=26.Bb3 with a possible continuation being: 26... 26...Qd7 27.Bxe6 Qxe6 28.Nd5 Nbxd5 29.exd5 Qc8 30.a4 Qc4 31.axb5 axb5 32.Ra6 Rd8 +=] 26...Qxc3 27.Bd2 Winning a tempo for his pawn.Deep Rybka evaluates that Kamsky has sufficient compensation for the pawn. 27...Qc7© 28.Ba5 Pinning Topalov's knight against his queen. [Analysis:Deep Rybka 3: 28.Rac1 Rc8 29.Nd5 Bxd5 30.exd5 Qb8 31.Bb4 Rxc2 !? 32.Rxc2 e4 33.Qf4 Re5 34.Qc1 Nfxd5 35.Bc3 Nxc3 36.hxg6+ fxg6 37.Rxc3 Nd5 +=] 28...Qb8 Breaking the pin against his knight at the cost of a tempo. [Analysis:Deep Rybka 3 gives black an advantage after 28...Rd7 ie. 29.Rac1 Qb7 30.Qe2 Rc8 31.Qf1 Kh8 32.Qe2 d5 33.Nxd5 Nbxd5 34.exd5 Nxd5 35.Be4 Rxc1 36.Rxc1 g5 with sufficient compensation for the pawn.] 29.Rd2 Intending to double his rooks on the d-file. 29...Nc8 30.Rad1 [Better is >=30.Rc1 Ra7 31.Nd5 Bxd5 32.exd5 Ne7 33.Be4 Rc8=] 30...b4 [Better is >=30...Rd7 31.Nd5 Bxd5 32.exd5 Qa7 33.hxg6+ fxg6 34.Bxg6+!? Kxg6 35.Bb6!? Nxb6 36.Qf5+ Kf7 37.Qe6+ Kg6=] 31.Qe2+/= Kh8? a mistake [>=31...Rd7 32.Bd3 Ne7 33.hxg6+ fxg6 34.Bc4 Bxc4 35.Nxc4 d5!? 36.exd5 Rxd5 37.Bb6 Qb7© with sufficient compensation for the pawn.] 32.Bd3+/- Na7 33.Rc1 [Better is >=33.Rc2 Rc8 34.Bxa6 Rxc2 35.Qxc2 Kh7 36.f3 Nb5 37.Bxb4 Nd4 38.hxg6+ fxg6+/-] 33...Nb5 [Better is >=33...Rc8 34.Rxc8+ Bxc8 35.Nd5 Nxd5 36.exd5 e4 37.hxg6 Qb7+/=] 34.Bxb5 axb5 35.Bxb4 Rd7 36.Rc6 Rfd8 37.Qd1 [Better is 37.f3 d5 38.hxg6 Qb7 39.Rc5 dxe4 40.Rxd7 Qxd7 41.gxf7 exf3 42.Qxf3 Qxf7+/-] 37...Bf8 [Better is 37...Qb7 38.Qc2 Bf8 39.Nd5 Bxd5 40.exd5 Kg7 41.hxg6 fxg6+/-] 38.Qc2 [Better is 38.Rdc2 Kh7 39.Qf3 Be7 40.Ba5 Rf8 41.Qe2 Qa8+-] 38...Kh7 39.Ba5 [Better is 39.Nd5 Bxd5 40.exd5 Qb7 41.Qd3 Be7 42.a3 Kg7 43.Rdc2 Qa7+/-] 39...Re8 40.hxg6+ [Better is >=40.Nd5 Bxd5 41.exd5 Qa8 42.Bb6 e4 43.a4 bxa4 44.bxa4 Nxh5 45.Nxh5 gxh5 46.a5+/-] 40...fxg6 41.Bc7 [Better is 41.Nd5 Bxd5 42.exd5 Be7 43.Ne4 Nxe4 44.Qxe4 Bd8+/-] 41...Qb7 42.Bxd6+/= Bf7 43.Bb4 [Better is >=43.Bxf8 Rxd2 44.Qc1 Rxf8 45.Rxf6 Rfd8 46.Ngf1 R2d6 47.Nf5 gxf5 48.Qxh6+ Kg8[] 49.Rxd6 Rxd6 50.Qxd6 Qxe4 51.Qb8+ Kg7[] 52.Qxb5+/-] 43...Bxb4 44.Rxd7 Qxd7 45.Rxf6+/- Re6 46.Nd5 Bf8 47.Rf3 [47.Rxe6 Qxe6 48.Qc7 Kg7 49.Qb7 Qd6 50.b4 Qd8 51.Qxb5+-] 47...Kg7 48.Rc3 Ra6 49.Rc7 Qd6 [>=49...Qe8 50.Qe2 Bd6 51.a4! Ra5 (51...Bxc7? 52.Nxc7 Qc8 53.Nxa6 bxa4 54.bxa4+-) 52.Rb7+- Qc6 53.Rxb5 Rxb5 54.Qxb5 Qxb5 55.axb5+/-] 50.Qe2 [50.Rb7 Qc6 51.Qxc6 Rxc6 52.Rxb5 Rc1+ 53.Nf1 Ba3+-] 50...Kg8 51.Qxb5 [51.Rb7 Qc6 52.Rxb5 Rxa2 53.Ne7+ Bxe7 54.Rb8+ Kg7 55.Qxa2] 51...Rxa2 52.Qb7 [>=52.Rc6 Qd8 53.Nf6+ Kh8 54.Qxe5 Qd2 55.Ng4+ Kg8 56.Nf1 Qg5 57.Nf6+ Kg7 58.Qd4] 52...Ra1+ 53.Kh2 Bxd5 54.exd5 Qf6 55.Qc8 Qh4+ 56.Qh3 Qxh3+ 57.Kxh3 Rd1 58.Ne4 Ba3 59.Ra7 Bb4 60.Rb7 Ba3 61.f3 [61.b4 Rd4 62.Nf6+ Kf8 63.b5 Rf4 64.Ng4 Rf5 65.b6 e4 66.g3 Rxd5 67.Rh7 Rh5+ 68.Kg2 Rb5 69.b7 Bd6 70.Nf6 Be5 71.Nd7+ Kg8 72.Re7 Rxb7 73.Nf6+ Bxf6 74.Rxb7] 61...Kf8 62.Rb5 [62.Nf6 Be7 63.Nd7+ Ke8 64.Nxe5 Rh1+ 65.Kg4 h5+ 66.Kf4 Bd6 67.Rb6 Ke7 68.Kg5 Bxe5 69.Re6+ Kd7 70.Rxe5 Kd6 71.Re6+ Kxd5 72.Rxg6] 62...h5 63.Kg3 [>=63.b4 Rd4 64.Rb8+ Ke7 65.d6+ Ke6 66.Re8+ Kf7 67.Re7+ Kf8 68.Re6 Kf7 69.Ng5+ Kf8 70.Rxg6+-] 63...Rc1? A mistake. [>=63...Be7 64.Rb8+ Kf7 65.d6 Bxd6 66.Rd8 Ke6 67.Nxd6 Rxd6 68.Rxd6+ Kxd6 69.Kh4+-] 64.Rb8+ [>=64.d6 Rd1 65.Rb6 Bc1 66.Kf2 Ba3 67.b4 Kf7 68.Nc5 Bxb4 69.Rxb4 Rxd6 70.Rb7+ Ke8 71.Ke3 Rc6 72.Nd3 Rc2 73.Rb2 Rxb2 74.Nxb2+-] 64...Kf7 65.Rb7+ Kf8 66.Kf2 [66.b4 Rh1 67.d6 Rd1 68.b5 Ke8 69.b6 Bxd6 70.Ra7 Bb8 71.Rh7 h4+ 72.Kh3 Rh1+ 73.Kg4 Kd8 74.Rh8+ Kd7 75.Rxb8 Kc6 76.Nd2 Kb5 77.Nc4 h3 78.gxh3 Rg1+ 79.Kh4 Kxc4 80.Rc8+ Kd4 81.b7 Rb1 82.b8Q Rxb8 83.Rxb8+-] 66...Rc2+ 67.Kf1 Rc1+ 68.Ke2 Rc2+ 69.Kd3 Rxg2 70.Ra7 Attacking the bishop winning a tempo. 70...Be7 The lost tempo. 71.d6 Again attacking the bishop, winning another tempo. 71...Bd8 Now the bishop serves as a blockader of Kamsky's dangerous passed d-pawn. [71...Bh4 72.Ra8+ Kf7 73.d7 Rg1 74.d8Q Bxd8 75.Rxd8 Rd1+ 76.Nd2 the only move 76...h4 77.Ke2 Rg1+-] 72.Nc5 Threatening Ne6+ forking Topalov's king and bishop. [Analysis:In this position Kamsky missed a better move: 72...Ra8: 72.Ra8 Ke8 73.Kc4 Kd7 74.Kd5 Rc2 75.Nc5+ Rxc5+ (75...Ke8?? 76.Ke6 Kf8 (76...Rxc5 77.d7+ Kf8 78.Rxd8+ Kg7 79.Rc8+-) 77.Rxd8+) 76.Kxc5 Bg5 77.Rg8 h4 78.Rxg6 Bd2 79.b4 Bxb4+ 80.Kxb4 Kc6 81.Kc4+-] 72...Ke8?? A blunder which decides the game. [Analysis:Deep Rybka 3:Better is 72...Bf6 73.b4 Rb2 74.Kc4 Rd2 75.Ne4 Rd4+ 76.Kc5 Bd8 77.Ra8 Ke8 78.Nf6+ Kf7 79.Nd7 Ke6 80.Nf8+ Kf7 81.Rxd8+-] 73.Rh7 Topalov resigned If 73...Ba5 74.d7+ Kf8 (If 74...Kd8?? then 75.Ne6# is checkmate.) 75.Ne6+ Kg8 (the only move) 77.b4 Bb6 78.Rf7 Rg1 79.Rf8+ Kh7 (the only move) 80.Kc4 Rd1 81.Rb8 Rxd7 (If 81...Bc7 82.Rb7 Rxd7 83.Nf8+ Kh6 84.Nxd7+-). 82.Nf8+ Kg7 83.Nxd7 is decisive +- [Analysis:Deep Rybka 3:Better is 73.Rg7 e4+ 74.fxe4 Rg3+ 75.Ke2 Rg2+ 76.Kf3 Rd2 77.d7+ Rxd7 (77...Kf8?? 78.Ne6# checkmate) ] 1-0

You can play through the moves and analysis in the frame down below labelled Topalov-Kamsky game 4.

Game 5 will be played on Monday, with Topalov having the white pieces. (Sunday is a rest day).

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Ego's trick is to make us lose sight of our interdependence. That kind of ego-thought gives us a perfect justification to look out only for ourselves. But that is far from the truth. In reality we all depend on each other and we have to help each other. The husband has to help his wife, the wife has to help the husband, the mother has to help her children, and the children are supposed to help the parents too, whether they want to or not.-Gehlek Rinpoche Source: "The Best Buddhist Writing 2005 pg. 165

The hostile attitude of conquering nature ignores the basic interdependence of all things and events---that the world beyond the skin is actually an extension of our own bodies---and will end in destroying the very environment from which we emerge and upon which our whole life depends.