Saturday, December 31, 2011

Blackmar-Diemer Gambit Theory 8 of 8

Today we finish up the year 2011 and Game 8 of 8 of Blackmar-Diemer Gambit Theory from a 2005 BDG e-mail thematic tournament. Here I summarize the lines covered:

Game 1 of 8 - BDG Teichmann: 5.Nxf3 Bg4 with 6.h3 Bh5 7.g4 Bg6 8.Ne5
Game 2 of 8 - BDG Euwe: 5.Nxf3 e6 with 6.Be2 Be7 7.0-0 c5 8.Bf4
Game 3 of 8 - BDG Euwe: 5.Nxf3 e6 with 6.Bg5 Be7 7.Qd2 0-0 8.0-0-0 b6
Game 4 of 8 - BDG Euwe: 5.Nxf3 e6 with 6.Bg5 Be7 7.Qd2 0-0 8.0-0-0 Nbd7
Game 5 of 8 - BDG Gedult: 5.Nxf3 a6 with 6.Ne5 Nbd7 7.Bf4
Game 6 of 8 - BDG Euwe: 5.Nxf3 e6 with 6.Bg5 Be7 7.Bd3 c5 8.dxc5
Game 7 of 8 - BDG Euwe: 5.Nxf3 e6 with 6.Bg5 Bb4 7.Bd3 Nbd7 8.0-0
Game 8 of 8 - BDG Euwe: 5.Nxf3 e6 with 6.Bd3 0-0 7.Bd3 c5 8.Be3

For this final game, my opponent is once again Carlos Manzo. Against my BDG Euwe, he takes the set-up Bd3/0-0/Be3. The good thing for White is that he is developing his pieces rapidly. The bad thing is that Manzo is unable to mount serious threats with this piece arrangement. Therefore Black takes over the initiative with an early ...c5/...Ng4.

One year ago I had some fuzzy future plans to someday write a blog. It was probably like the plans people have to someday write a book. The difference is that blogging is easier; and I had four books published. Thus I actually do finish some things that I start.

Over the past 180 days, I have written about 170 blog posts. My plan is KEEP GOING! From me it takes an every day commitment. I hope that you will KEEP FOLLOWING! Thanks for the many chess friends who have encouraged me in 2011.

God Bless, Good Chess and Happy New Year for 2012!

Manzo-Sawyer, BDG GRUPO 08/2005 (1.8), 30.01.2005 begins 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 e6 6.Bd3 [Normal is to play 6.Bg5 first and later Bg5.] 6...Be7 [Scheerer recommends 6...c5 at once. Of course his book would not be published for another six years.] 7.0-0 c5! 8.Be3 [8.dxc5 is the alternative. 8...Nbd7=/+] 8...Ng4! Not only does this threaten to capture the bishop and fork the queen and rook. It also puts tactical pressure on the diagonal a7-g1. 9.Bf2 [9.Bf4!? cxd4 10.Nb5 0-0 11.Nc7 Ne3 12.Bxe3 Qxc7=/+] 9...0-0 10.Qe2 Nxf2 11.Rxf2 Nc6 12.Rd1 cxd4 Black is two pawns up with some pressure in the center. 13.Ne4 e5 14.Ned2 Qc7 15.Re1 Bg4 16.h3 [White might try to win back a pawn with 16.Qe4 f5 17.Qd5+ Kh8 and Black's pieces spring to life.] 16...Bxf3!? 17.Rxf3 Rae8 18.Qe4 White threatens MATE IN ONE. 18...g6 Black is awake. 19.Bb5 Bg5 20.Nc4 Re6 21.Ba4?! [21.h4 Be7 22.h5 looks threatening, but after 22...a6 multiple exchanges are likely to follow: 23.Bxc6 Qxc6 24.Qxc6 Rxc6 25.Nxe5 Rxc2 26.hxg6 fxg6 27.Nxg6 hxg6 28.Rxe7 Rxf3 29.gxf3 Rxb2-+] 21...f5 22.Qd5 Rfe8 23.c3 e4 24.cxd4?! Nb4 25.Qd7 Qxc4 Black "gives up" a rook for two pieces to get the queens off the board. 26.Bb3 Qc6 27.Qxc6 bxc6 28.Bxe6+ Rxe6 29.Re2 Nd3 30.Rf1 Bf6 31.Rd1 Bxd4+ 32.Kf1 Kf7 If the rook was not protected, White had 33.Rxd3. 33.b4 Bb6 34.a3 c5 0-1


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Friday, December 30, 2011

Blackmar-Diemer Gambit Theory 7 of 8

Why do we love the Blackmar-Diemer Gambit? One reason is because the gambit player often enjoys short crushing checkmate attacks. Below we have just such a game. This illustrates how easy the BDG Euwe Variation can give victory for White.

I think all of the players in this 2005 BDG e-mail thematic event were from different countries. My opponent for these final two games was Carlos Manzo. In this first game, he lost badly. However, it the next game scheduled for tomorrow, New Year's Eve, Manzo fought on the White side of the gambit very well.

Before I present the game, I pause to note that today is my mother's 80th birthday. She is not a chess player, but she has always been a great encouragement through difficult times. When we were young, she walked into the room to find us playing chess. I had captured all my little brother's pieces. Trying to encourage him, she said hopefully to him, "But you still have your king!" Love you mom. Happy Birthday!

Sawyer - Manzo, BDG GRUPO 08/2005 (1.7), 30.01.2005 begins 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 e6 So not only did I play the BDG Euwe Variation four times as Black; my opponents played it twice! 6.Bg5 Bb4?! [I have covered this in other postings. The bishop move here threatens to capture the knight bringing a pawn to c3 which in turn protects d4. All that is good for White. Correct is 6...Be7 to protect the Nf6.] 7.Bd3 Nbd7 8.0-0 c6 This is passive. 9.Qe1 Angling for h4. 9...Bd6 Black decides to redeploy the bishop. 10.Ne4 Be7 Finally the bishop gets to where it belongs, having wasted two moves. 11.c3 Since White wants Black to castle into the attack, he takes a moment to solidify the d-pawn. 11...0-0 King in the corner pocket. 12.Qh4 h6 13.Bxh6 Nxe4 14.Qxe4 Nf6 [14...g6 15.Qf4 f5 16.Rae1+-] 15.Qh4 gxh6 16.Qxh6 [After 16.Qxh6 the only way to avoid immediate mate is to give up a piece with 16...Ne4 at which point I was pondering whether 17.Rae1 was stronger than 17.Bxe4 when Black resigned.] 1-0


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Thursday, December 29, 2011

Blackmar-Diemer Gambit Theory 6 of 8

Grandmasters rarely publish analysis on the Blackmar-Diemer Gambit. When they do, it is interesting to pay attention to what they suggest. About the time I was playing this 2005 eight game BDG e-mail thematic event, James Rizzitano released a book on "How to Beat 1 d4." In it Rizzitano cites GM Joseph Gallagher's analysis on the BDG.

Gallagher's recommendations played a key part in my choice for playing the BDG Euwe in all four of my games as Black in this series. Here I get to follow one of the critical lines after 5.Nxf3 e6 6.Bg5 Be7 7.Bd3 c5. This makes it an important game (see move 12).

Christoph Scheerer in his 2011 book writes of Rizzitano and Gallagher:
"... while I don't doubt their analysis (they make indeed a very persuasive argument), again we have a case where not all of White's resources were fully considered."

Today's opponent is once again Enrique Iriarte, the only player to defeat me in this event (see Game 5 of 8 posted yesterday). We played only these two long games. This game went in my favor, but it was no easy win. Iriarte had his chances as White.

Iriarte - Sawyer, BDG GRUPO 08/2005 (1.6), 30.01.2005 begins 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 e6 6.Bg5 Be7 7.Bd3 c5 8.dxc5 Qa5 [8...Nbd7 9.b4!? b6!? 10.c6 Ne5 11.Nxe5 Qd4 12.Bd2 Qxe5+ 13.Qe2 Qxe2+ 14.Nxe2+/=; 8...Nc6 9.Qd2 Bxc5 10.0-0-0 Be7 11.Qf4; 8...Bxc5 9.Qe2 Qa5 10.Bxf6 gxf6 11.0-0-0] 9.0-0 [An alternative is 9.Qd2!? 0-0 (9...Qxc5 10.Nb5 Na6 11.a3 0-0 12.b4!? with compensation; 9...Bxc5 10.Ne5 Nc6 11.Bxf6 gxf6 12.Nc4+/=; 9...Nc6 10.Nb5 Qxd2+ 11.Nxd2 0-0 12.Ne4+/=) 10.Ne4 Qxd2+ 11.Nfxd2 Nbd7 12.0-0 Nxc5 13.Nxf6+ gxf6 14.Bxf6 Bxf6 15.Rxf6 Bd7 16.Ne4 Nxd3 17.cxd3 Bb5 18.Rf3 with compensation] 9...Qxc5+ 10.Kh1 Nbd7 [Black decides to keep his king in the center until White reveals an exact line of attack. I analyzed a wild line with 10...h6 11.Bxf6 gxf6 12.Qd2 Bd7 13.a3 f5 14.b4 Qb6 15.Bxf5 exf5 16.Nd5 Qd6 17.Rae1 Be6=/+] 11.Qe1 a6 [Black intends to develop his queenside pawns aggressively and fianchetto the bishop. 11...0-0!?] 12.Rd1!? [Scheerer suggests this move giving two replies from games played in 2003: 12...Qb4 and 12...b6. I try a third option.] 12...Qc7 13.Ne4 b5 14.c4 bxc4 15.Rc1 Qb6 16.Rxc4 Bb7 [Black has to catch up in development. 16...0-0 17.Nxf6+ Nxf6 18.Ne5!+- and Black will be ripped apart.] 17.b3 Bd5 18.Rc2 [During the game I though White might try 18.Nxf6+ and all three recaptures looked to be relatively equal. My plan was to take back with the g-pawn. 18...gxf6 19.Be3 Nc5 20.Bxc5 Bxc5 21.Rf4 Be7 when I thought the extra pawn and the two bishops might more than compensate for my king's position.] 18...0-0 There is no sense waiting any longer to castle. 19.Qe2 Rfd8 20.Nfd2 Qb7 21.Bh4 a5 22.Bg3 Rac8 Black is neutralizing the activity of the White pieces. 23.Rxc8 Qxc8 24.Nc4 Nxe4 25.Bxe4 Bxe4 26.Qxe4 Nf6 27.Qf4 a4 Black gives back the gambit pawn and then attack weak points. 28.bxa4 Qa6 29.Ne5 Rf8 30.Rc1 Nh5 The White bishop comes off the board. 31.Qf3 Nxg3+ 32.Qxg3 Qxa4 Eventually the extra pawn will tell. 33.Qb3 Qf4 34.Re1 Rc8 35.Qd1 Ba3 36.Qe2 Bd6 37.Nf3 g5! All thoughts of a back rank mate disappear. 38.Qe4 g4 [Or 38...Qxe4 39.Rxe4 Kg7-+] 39.Qxf4 Bxf4 40.g3 Bxg3 41.Rg1 gxf3 42.Rxg3+ Kf8 [After 42...Kf8 43.Rxf3 Rc1+ 44.Kg2 Rc2+ 45.Rf2 Rxf2+ 46.Kxf2 f5 47.Ke3 e5 48.a4 Ke7 The Black king is inside the a4-e4-e8-a8 box. Thus the a-pawn cannot queen, and the win with the connected passed pawns is simple.] 0-1


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Wednesday, December 28, 2011

Blackmar-Diemer Gambit Theory 5 of 8

Blackmar-Diemer Gambit thematic events often test the popular lines of theory in a deeper than usual manner. Sometimes one side of the other tries an offbeat line. Such is the Gedult Variation 5...a6, one of the general BDG Accepted Variations. The move 5...a6 is named after the French coffee house gambit player David Gedult. Many of his games were published. I do not recall EVER seeing a game he lost. David naturally preferred to entertain us with his creative tactical wins.

When facing an offbeat line, unlike the popular BDG Euwe Variation (5...e6), White needs to take stock of what is going on. The move 5...a6 does little to promote Black's goal of rapid piece development. The possible exception is that after Bc4, Black can gain a tempo with ...b5 and then follow with ...Bb7. On the other hand, 5...a6 may just be a tempo wasting move when speed is critical to White's ability to make serious threats.

My opponent for today and tomorrow's postings is Enrique Iriarte. We castle opposite sides. Iriarte demonstrates bold energy in sacrificing the Exchange to obtain passed kingside pawns. I misplay the situation, and Iriarte plays a very nice game. This is the only game I lost in the 2005 8-game BDG thematic e-mail event.

Sawyer-Iriarte, BDG GRUPO 08/2005 (1.5), 30.01.2005 begins 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 a6 The Gedult Variation waits for White to commit to a particular attacking formation before determining the Black kingside pawn structure. 6.Ne5! [White grabs the central outpost and waits for one more move to commit a bishop. Three popular alternatives include developing a bishop: 6.Bd3, 6.Bc4 or 6.Bg5 ] 6...Nbd7 Black attacks the Ne5 with a move that does not commit his Bf8. 7.Bf4 e6 Against the 5...e6 Euwe Variation, White does best to play 6.Bg5. Black tries to take advantage of the fact that the bishop is "only" on f4. 8.Qf3 Be7 [8...c5 9.0-0-0 cxd4 10.Rxd4 Bc5 11.Rd1 0-0=] 9.Bd3 0-0 10.0-0-0 Bb4 11.Ne4 Nxe4 12.Bxe4 Nf6 13.Bg5 [13.Bxb7 seems risky. It sidetracks White's attack on the Black King and opens a file toward the White King just to get the pawn back. 13...Bxb7 14.Qxb7 Nd5 15.Nc6 This knight keeps the Black rooks from causing too many problems too quickly. However, it seems Black can unravel himself after moves like 15...Qh4 16.g3 Qg4 17.Bd2 Bd6 when there is still a lot of play left.] 13...Be7 14.Bxf6!? Bxf6 15.Kb1 c6 16.Rhf1 Qe7 17.Bd3 a5 Both sides begin advancing pawns at the opponent's king in classic "castling opposites wings" strategy. 18.h4 a4 19.c3 a3 20.b4 Bxe5 21.dxe5 c5 22.b5 [White could throw in 22.Qe4 g6 23.b5 Rd8 24.h5 keeping the pressure on.] 22...Ra4 23.g4!? [23.g3 c4 24.Qe4 g6 25.Bc2 Ra5 26.Qxc4=] 23...b6 24.Be4 Bd7 25.Bc2 [25.Bc6=] 25...Bxb5! Black sacrifices the Exchange for a couple pawns. 26.Bxa4 Bxa4 27.Rd6 Bb5 28.Rfd1 Qxh4 Including the original gambit pawn, Black has three pawns for the Exchange - a good deal if he has active play. 29.Rh1 Qg5 30.Qe4 Qg6 [30...h6 31.Rxb6 Be8 32.Ka1 Qd2 33.Rb3 f5 34.exf6 Rxf6 unclear] 31.Qxg6 fxg6 32.Rxe6 Bd7 33.Rxb6 Bxg4 34.Re1 Re8 35.Ra6 Be6 36.Rxa3 h5 37.Ra5 h4 38.a4? [38.Kc2 g5 39.Kd3 g4 40.Ke3 g3-/+] 38...g5 39.Rxc5 0-1


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Tuesday, December 27, 2011

Blackmar-Diemer Gambit Theory 4 of 8

In almost every Blackmar-Diemer Gambit game, White gets an opportunity for a strong attack or at least compensation that is roughly equal to the sacrificed gambit pawn. To play the BDG well, White must continually press for the initiative. If Black takes over the initiative, White is toast.

Once again I am playing the BDG Euwe Variation. Like its cousin the French Defence, Black must play actively. Passive play is usually fatal. The move ...e6 in each opening almost invites Black to play passively. White has a natural attack that flows quickly and easily. Black must intentionally fight for a counter-attack, usually against d4 to begin with.

My opponent today, Alejandro Raúl Gonzalez, is White. The game is being played simultaneously and one ply off from the previous game. As this game proceeds, I wasted a little time with 9...c6 and then 10...c5, but then I make it up when White's knight hops back and forth from Nf3xd4-f3xg5-f3. My kingside knight, on the other hand, moves to g4 where it is a constant worry as it blocks the g2 pawn and hits the f2, e3, e5 and h6 squares.

Gonzalez - Sawyer, BDG GRUPO 08/2005 (1.4), 30.01.2005 begins 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 e6 6.Bg5 Be7 Black wisely protects f6 and prepares to castle. 7.Qd2 White copies my previous game. 7...0-0 8.0-0-0 Nbd7 [A key decision Black has to make in the Euwe Variation is whether to play Nbd7 covering f6 or to play Nc6 attacking d4. Gonzalez had played 8...b6 against me, but I deviated and went a different path.] 9.h4!? [White has dreams and hopes of opening the h-file in a kingside attack. 9.Bd3 is a normal looking move.] 9...c6 I protect strengthen key squares f6 and d5, but this play is rather passive. 10.Bd3 c5!? Now I change my mind and decide to attack d4. 11.h5 cxd4 12.Nxd4 Ng4!? [This knight gets rather frisky.] 13.Nf3?! [After this Black trades bishops, gradually beats back that attack, and completes his development. The correct continuation is 13.Bxe7! Qxe7 14.h6! using the h-pawn to create weak points. 14...g6 15.Qe2 Ndf6 16.Rh4 e5 17.Nf3 Rd8 White's active pieces and 3-2 queenside edge roughly offsets the 4-2 pawn edge in front of Black's king.] 13...Bxg5 14.Nxg5 h6 15.Nf3 Qc7 16.Kb1 Ndf6 17.Ka1? Not that there is anything great, but this does nothing good. Black completes his development and attacks the White king. 17...Bd7 18.Qe1 Rfd8 19.Qd2 Qc5 20.Rdf1 Bc6 21.Rh4 b5 22.b4 Qb6 23.Rb1 a5 24.Qc1 e5 25.bxa5 Rxa5 26.Qg1 Qa6 27.Rb2 e4 28.Rxg4 Nxg4 29.Nxe4? [29.Bxe4 Bxe4 30.Nxe4 Ne3-+] 29...Bxe4 30.Bxe4 Nf2 31.Bd3 Ra8 32.Qb1 Nd1 33.Bxb5 Qf6 34.Bc4 Rd8 35.Be2 Nc3 0-1


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Monday, December 26, 2011

Blackmar-Diemer Gambit Theory 3 of 8

The Blackmar-Diemer Gambit Euwe Variation is going to get quite a workout in the eight games of this 2005 e-mail thematic event. I played it all four games where I had Black.

When I had White in Game 1 of 8, I faced a BDG Teichmann Variation (5...Bg4), which is the most popular choice. Here in today's game we have another BDG Euwe Variation (5...e6), which is the most popular recommended choice for Black to refute the gambit.

Of course, there is THEORY and there is PRACTICE. Computer analysis gives Black a chance to win with perfect play in the Euwe, but in practice, White often wins. In my own experience of playing White in the Euwe in about 500 games, White scores the highest percentage (62%) against 5...e6 of any of the five major defences. On the average Black under performs their actual rating by over 200 points (2100s scoring below 1900).

My opponent for this game and the next was Alejandro Raúl Gonzalez. One thing that makes a double round robin thematic event interesting is that both players are playing the same opening, sometimes that same variation, against each other at the same time. One sends a move to BOTH games at same time, one as White and one as Black.

Typically both games end at the same time. When one game ends, the players look at the second game; possibly one player will offer a draw in that game. If a player is losing both games, he plays on until one game is too painful to continue and then he resigns both games. Thus thematic games tend to be shorter than normal tournament games.

Sawyer-Gonzalez, BDG GRUPO 08/2005 (1.3), 30.01.2005 begins 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 e6 6.Bg5 Be7 7.Qd2 [Scheerer recommends this line. Most of the time I play 7.Bd3 and castle kingside, which usually brings success unless Black plays perfectly.] 7...0-0 8.0-0-0 b6 This is a rather rare line. 9.Bd3 [White is playing for a standard BDG kingside checkmate. Another interesting idea is to push 9.d5!? This uses White's development advantage, the pressure up the d-file, and the open diagonal to the Ra8 to make tactical threats. Black will have a hard time unraveling as the follow analysis will show. 9...exd5 10.Bxf6 Bxf6 11.Nxd5 Bb7 (11...Be6 12.Nxf6+ Qxf6 13.Bd3 Nc6 14.Ng5 with compensation) 12.Bc4 Bxd5 13.Bxd5 (13.Qxd5 Qxd5 14.Bxd5 c6 15.Be4 Re8 16.Rhe1 with compensation) 13...c6 14.Be4 Qxd2+ 15.Nxd2 g6 16.c3 with compensation] 9...Bb7 10.Rhe1 Nbd7 11.Qf4 Heading for Qh4 unless sidetracked. 11...Bxf3 12.Qxf3 Bb4 13.Qh3 Bxc3 14.bxc3! [Now the threat to h7 is very strong. Premature is 14.Bxh7+ Nxh7 15.Bxd8 Bxe1 16.Bxc7+/=] 14...h5 [14...g6 15.Rf1 c5 16.Qh4+-; 14...h6 15.Bxh6 Re8 (15...gxh6 16.Qxh6 Re8 17.Rf1!+-) 16.Re3 g6 17.Rg3+-] 15.g4! Ripping the kingside apart leaves Black in big trouble. 15...hxg4 [15...Qe7 16.gxh5 Qa3+ 17.Kd2 Nd5 White has the better position after moving the bishop so the queen protects c3. 18.Bb5+/-] 16.Qh4 Re8 [16...Qe7 17.Kb2+/-] 17.Rf1 [17.Rg1!+- may be the most accurate.] 17...Qe7 18.Rxf6! [18.Bh7+] 18...Nxf6 19.Rf1 Qa3+ 20.Kd2 1-0


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Sunday, December 25, 2011

Blackmar-Diemer Gambit Theory 2 of 8

This posting is scheduled for Christmas Day, a blessed day for faith and family. Hope you have a wonderful day. I expect to enjoy it. I remember that in 1995 my wife bought me a copy of Gary Lane's "Blackmar-Diemer Gambit". It got me excited enough to write a second book myself on that opening. Merry Christmas!

What should I play as Black against the Blackmar-Diemer Gambit? So far I am an equal opportunity defender so as to understand and experience the entire BDG opening. My responses can be easily grouped into six choices. Each group represents over 100 but less 200 games that I have played as Black. I usually accept the gambit after 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 (The starting position of the BDG) 4...exf3. From here we have:

Group 1 - 5.Qxf3 (Ryder Variation) or 5.Nxf3 Nc6 (Pietrowsky Variation)
Group 2 - 5.Nxf3 c6 (BDG Accepted Ziegler Variation)
Group 3 - 5.Nxf3 e6 (BDG Euwe Variation)
Group 4 - 5.Nxf3 g6 (BDG Bogoljubow Variation)
Group 5 - 5.Nxf3 Bf5 (BDG Gunderam Variation)
Group 6 - 5.Nxf3 Bg4 (BDG Teichmann Variation)

For the BDG e-mail thematic event I was playing in 2005, I chose to defend with just the Euwe Variation. My opponent in the first game is Roberto Del Campo. He opts for a less popular approach to the gambit, but White still gets some decent play.

Del Campo-Sawyer, BDG GRUPO 08/2005 (1.1), 30.01.2005 begins 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 e6 6.Be2 The normal bishop placement for White vs the Euwe Variation is Bd3/Bg5 in some order. In this game the bishops both stop one square short but still come out quickly. 6...Be7 7.0-0 c5 8.Bf4 a6 9.Kh1 cxd4 10.Nxd4 Nc6?! [Black is too eager to swap off pieces heading for an ending. Black maintains a slight edge after 10...0-0 or 10...Nbd7 ] 11.Nxc6 Qxd1 12.Raxd1 bxc6 White is completely developed, but he is not making many threats. He nudges ahead his bishops while watching to see where Black will put his king. 13.Be5 Bb7 14.Bf3 Rg8!? 15.Ne2?! [15.Na4! Nd7 16.Bc7 White has active piece play for the pawn.] 15...Nd7 16.Bg3?! [16.Bc7 is better.] 16...e5 The winning Black plan is an aggressive advance his kingside pawns. 17.Rfe1?! [17.Bg4! attacks the support for e5.] 17...f6 The first wave of pawn pushes is completed. Next Black moves all the dark squared pawns ahead to the light squares. 18.Bf2 g6 19.Rd3 f5 20.Rb3 0-0-0 Now Black's entire position springs to life. 21.g3 [21.Nd4 Bc5 22.Nxc6 Bxc6 23.Bxc5 e4 24.Be2 Nxc5 25.Rc3 Rd2 26.Rxc5 Kb7 27.Bxa6+ Kb6-+] 21...Nc5 22.Bxc5 Bxc5 23.Nc3 e4 24.Bg2 Rd2 0-1


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