DVD completed: Viktor Kortchnoi - My Life for Chess, Vol. 2

As with most sequels, the second volume of Viktor Korchnoi's DVD game collection - following the introductory DVD - is not as strong as the first, although it is still worth investing time in.  Partly this is because the time period covered, with the video segments containing eight games from 1986 to 2004, is from after Kortchnoi's peak as a professional chessplayer.  He has fewer personal stories and chess history to relate as a result, although some are still amusing and provide context for the games, which include opponents such as Kasparov, Short and Onischuk.  A few errors are also made during the filming, such as an incorrect line of analysis that Kortchnoi catches at the end, which make me wonder why ChessBase simply didn't do another take of the filming.  It is remarkable that the two DVDs are so coherent, valuable and entertaining - a testament to Kortchnoi's mind - when the producers simply rolled the camera and did nothing else.  (This seems to be ChessBase's policy, as a more recent example is Lilov's DVD on the Stonewall.)

Production values aside, once again it was useful to experience a mini-master class given by Kortchnoi on each of the eight games with video annotations, with his commentary largely focusing on the opening variation choices and the middlegame tactics and plans.  His explanations of the ideas involved in each case are like nuggets of gold, insights that can be integrated into your chess understanding and practice.  The Kasparov game included is outstanding in that respect, for example.  Even though few of the games directly related to my opening repertoire, I feel I learned a great deal about different positional and tactical ideas that can easily carry over into my own games.

It was also refreshing to see Kortchnoi's objective and sometimes brutal evaluations of his own play, along with that of his opponents.  It is clear that he has no problem with expressing the truths of the chessboard and has nothing to prove to himself or anyone else.  This kind of attitude is the most helpful for an improving player, as the student can trust the material and not worry about the instructor's ego getting in the way.

Commentary: Tradewise Gilbraltar 2014 - Round 1

The Tradewise Gilbraltar Chess Congress is always entertaining, both for the fans and for the players.  The following game, from round 1, was similarly entertaining and instructive for me.  What appears to be a solid King's Indian Attack formation is taken apart rather rapidly by Black, who employs some unusual-looking but very effective rook maneuvering to blast through on the queenside, while White dithers on the kingside.  The game notably features the formation of "Alekhine's Gun" by Black, with R+R+Q all aiming down the c-file. Although it was initially the opening that caught my eye, it's the example of how master-level players powerfully centralize their rooks that is my biggest take-away from the game.

[Event "Tradewise Gibraltar Chess Festival 2014 "] [Site "The Caleta Hotel - Gibraltar"] [Date "2014.01.28"] [Round "1.37"] [White "Malmdin, Nils-Ake"] [Black "Salem, A.R. Saleh"] [Result "0-1"] [ECO "B10"] [WhiteElo "2175"] [BlackElo "2564"] [Annotator "ChessAdmin/Houdini"] [PlyCount "48"] [EventDate "2014.01.28"] 1. e4 c6 2. d3 {indicating that White will go into the King's Indian Attack.} d5 3. Nd2 e5 4. Ngf3 Bd6 5. g3 Nf6 6. Bg2 O-O 7. O-O Re8 8. Re1 Nbd7 9. a3 { more common here is either c3, reinforcing the center, or b3, preparing to develop the bishop.} a5 {a typical reaction, restraining the b4 advance.} 10. b3 d4 {while there are a variety of moves that are playable here, the text move scores 100 percent for Black!} 11. Nh4 (11. Bb2 {seems better, in order to make some progress on development and free up the first rank for White's heavy pieces.}) 11... Bf8 {Black anticipates Nf5, hitting the bishop, and proactively reinforces his kingside, as e5 no longer needs the bishop's attention.} 12. Nf1 {this is consistent with White leaving the bishop on c1, but appears to be too slow. Black will get his play on the queenside and in the center before White can develop any threats on the kingside.} a4 13. b4 c5 {the pawn is used as a lever to open the c-file for Black.} 14. bxc5 Ra5 $5 { an original way of getting the rook into play.} (14... Qc7 {is more normal-looking and less committal.}) 15. Nf5 {White is playing too slowly and not bringing enough of his army to bear.} (15. f4 $5 $15) 15... Rxc5 16. g4 Re6 $17 {Houdini agrees that this other unusual rook lift is the best for Black. Along the third rank, the rook can immediately increase pressure on the c-file and also be available for defense on the kingside, if needed. Black also clears a retreat square for the knight, based on the threat created by White's last move.} 17. h3 {White apparently still feels no sense of urgency.} (17. g5 {would at least be consistent.}) 17... Rec6 18. c4 {White chooses the least worst option, jettisoning the doomed c-pawn and picking up the a-pawn in return. However, Black is still in a dominant position and White has no counterplay.} dxc3 19. Qxa4 c2 $19 {a powerful move, cutting the Qa4 off from the kingside and ensuring White will have to cover the c1 square at all costs.} 20. Be3 Rc3 {Black keeps pounding away with his amazing rooks.} 21. d4 Qc7 { forming "Alekhine's Gun", with the R+R+Q on the same file.} (21... R6c4 22. Qb5 exd4 23. Nxd4 Nc5 {is Houdini's preferred way to make progress.}) 22. g5 $6 { this makes it easier for Black.} (22. Rec1 {blocking the pawn advance would make for stronger resistance, on the next move as well.}) 22... Ne8 23. d5 { this simply forces the rook to a better square.} R6c4 24. Qb5 c1=Q {White will lose a piece with no compensation and a fractured position, so resigns. An impressive c-file for Black!} 0-1

Annotated Game #115: The Opaque Hedgehog

Of course there is no actual "opaque" variation of the Hedgehog - the reference is to the fact that the whole opening complex is rather murky and complicated for us Class players.  In the following game, although I have a general idea of the slow, maneuvering play required from the Hedgehog, as early as move 13 (or perhaps a little earlier) I have no real idea on how to usefully proceed.  While I don't make any obviously bad moves, I don't play very effectively as White and allow my opponent to get a very solid position with some potential threats on the queenside.  This is in fact a standard characteristic of the Hedgehog, in which Black intentionally adopts a solid, non-aggressive formation limited to the first three ranks, then slowly pushes White back while developing counterplay.

After a fair amount of maneuvering on both sides and reaching a drawish position following a queen exchange, my opponent decides to keep pressing, which was not in my view objectively warranted.  Key strategic mistakes on moves 26 and 27 left the center open for my knights, which handed me the initiative and eventually the game after I spotted the deflection tactic on move 41.  Although Black put up strong resistance afterwards, I found the correct endgame ideas and the outcome was never in doubt.

This was a blunder-free game on my part, although some of my ideas were certainly sub-optimal, and there are some positive signs for the evolution of my playing skills in terms of tactics and endgame technique.  Knowing that I would not have been able to play this way several years ago, or at least not find the correct ideas nearly as easily, is a good indicator of how my chess studies are bearing fruit.

[Event "DHLC Slow Chess Quads"] [Site "Chess.com"] [Date "2014.01.31"] [Round "?"] [White "ChessAdmin_01"] [Black "Yamaduta"] [Result "1-0"] [ECO "A30"] [WhiteElo "1489"] [BlackElo "1436"] [Annotator "ChessAdmin/Houdini"] [PlyCount "107"] [EventDate "2014.??.??"] [TimeControl "45"] {A30: Symmetrical English: Double Fianchetto and Hedgehog} 1. c4 c5 2. Nf3 Nf6 3. Nc3 e6 4. g3 b6 5. Bg2 Bb7 {the English Hedgehog. The specific move-order is not terribly important, although Black's early ...e6 meant that 4...d5 was a possible alternative.} 6. O-O Be7 7. d4 cxd4 8. Qxd4 O-O 9. Rd1 {the most common approach to the Hedgehog by White. Pressure is built up on the d-file while White tries to exploit his temporary space advantage.} a6 {by this point I had no recollection of specific lines to follow, so just stuck with basic developmental ideas.} 10. b3 d6 11. Bb2 (11. Ba3 $5 {should cause Black more difficulty.}) 11... Qc7 12. Rac1 {with the idea that the rook is better placed on the c-file opposite the queen, in the event the c-pawn is exchanged off.} Nbd7 $11 {by this point Black has equalized and I have run out of obviously useful ideas.} 13. Nh4 {not the worst move in the position, but not likely the best either. I'm seeking to reposition the knight to a better square to fight for d5.} (13. Qe3 Rfe8 14. Nd4 Bxg2 15. Kxg2 Bf8 16. h3 Rac8 17. Kg1 Qb8 18. Qf3 Ne5 19. Qg2 Rc7 20. Ne4 Nxe4 21. Qxe4 Rec8 22. a4 Nd7 23. Qf3 Ne5 24. Qe3 Qb7 25. Ra1 Rb8 26. Bc3 Rcc8 27. Rdc1 h6 {Cebalo,M (2492)-Jelen,I (2420) Ribnica 1979 1/2-1/2 (53)}) 13... Rac8 $146 (13... Bxg2 14. Nxg2 Qb7 15. Ba3 Nc5 16. Bxc5 bxc5 17. Qf4 Rfd8 18. Ne3 h6 19. h4 Ne8 20. Rd3 Qc7 21. Ng2 Bf6 22. Na4 Qe7 23. Qd2 Rab8 24. Ne1 Qb7 25. Rd1 Rdc8 26. Nf3 Qb4 27. Qc1 d5 28. Nd2 Nd6 29. Qc2 d4 30. e4 Qb7 {Dudas,J (2410) -Zetocha,C (2360) Aggtelek 1997 1-0 (49)}) 14. Bxb7 {there was no particular need to rush the exchange, but again I had no alternative ideas.} Qxb7 15. Ng2 {I continue with the idea of repositioning the knight, although this is rather slow. Black could take advantage of this and get some initiative going on the queenside, if he chose. However, he largely ignores this and instead ends up focusing on central and kingside play.} (15. Qe3 Nc5 $11) 15... Rfe8 16. Ne3 Ne5 (16... b5 {is Houdini's main choice here and over the next several moves.} 17. Qf4 $15) 17. Qd2 (17. a4 {was something I had in fact considered, in order to block the possible ...b5 advance, but ultimately decided it looked too weird. Houdini has no hangups about the way the pawn formation looks and prefers it.} h5 $11) 17... Red8 18. Qe1 {the start of a rather slow idea, to fianchetto the queen, but at least it seemed productive and not very risky.} (18. a4 Nc6 $11) 18... Nfd7 (18... b5 19. Nb1 $15) 19. Qf1 (19. f4 {I considered this idea as well, but ultimately decided that it left the center looking too weak. Black is not in a position here to take advantage of the weakened squares behind the pawn, however.} Nc6 $11) 19... Nc5 20. Qg2 Qxg2+ 21. Kxg2 {with the queens off the board, I no longer have to worry about pressure from Black. The position looks quite drawish.} f5 {this surprised me, but is in fact Houdini's top choice. I went into a big think here, as Black is threatening to drum up some threats on the f-file, although I overestimated their strength during the game.} 22. f4 { I eventually decided to go for what seemed the simplest option to defend against further advances by the f-pawn, also kicking the knight.} Nf7 23. Nc2 { repositioning the knight to give it more possibilities.} h6 (23... Bf6 24. e3 $11) 24. Nb4 (24. b4 {is something I never considered, because it would (temporarily) leave the c-pawn hanging. However, the engine considers it best, after} Ne4 (24... Nd7 25. Nd4 Nf8 26. Na4 $14) 25. Nxe4 fxe4 26. Ne3 $14) (24. Nd4 $5) 24... g5 25. e3 {I had expected the pawn thrust and after this move did not see any way for Black to make further progress.} Kf8 26. Nd3 { unambitious, but I was more interested in squelching any Black activity at this point rather than trying to go for an advantage.} (26. Ne2 $5) 26... Nd7 $6 {my opponent withdraws his excellent knight, leaving behind a weaker kingside and center.} (26... Bf6 27. Ba3 $11) 27. Re1 (27. e4 fxe4 28. Nxe4 $14 {would be more aggressive.}) 27... e5 $2 {this fatally weakens the d5 square, which gives White a dominating outpost.} (27... Nc5 {is Houdini's choice, showing how the knight really is best situated on c5. In practice it is very difficult to reverse course like this.} 28. Nxc5 dxc5 29. Rc2) 28. Nd5 $16 e4 { Black pushes ahead, not seeing the threat the two knights working together will pose.} (28... Nf6 29. Nxb6 Rb8 $18) 29. N3b4 $18 Nc5 {now the knight returns, but too late.} 30. Red1 {a solid choice to make progress.} (30. Rf1 a5 31. fxg5 Bxg5 $18 (31... axb4 $4 {would be a terrible mistake} 32. g6 Ke8 33. Rxf5 $18)) 30... a5 31. Nxe7 {I chose this as seemingly the most obvious route to a lasting advantage.} (31. Nc2 {this looks weak at first glance, but in fact gives White a decisive advantage based on the threat of going to d4 to target Black's weaknesses.} gxf4 (31... Nd3 32. Rxd3 exd3 33. Nd4 {I had in fact considered this as a possible sequence, since it seemed that White's two knights would dominate the center and pick up more material (threatening e6 and f5), but eventually I shied away from the exchange sacrifice as unclear.}) 32. exf4 {with the threat of Nd4.} h5 33. Nd4 Nh6 34. Nxb6 $18) 31... Kxe7 $14 32. Nd5+ Ke6 33. Nxb6 {this actually dissipates White's advantage to some extent, as either the pawn is recoverable, or Black can get positional compensation.} (33. Rb1 $16) 33... Rc6 {this makes it easy for White, as Black has no compensation for the pawn.} (33... Rb8 34. Nd5 a4 35. Nc7+ Kd7 36. Nb5 { this saves the b-pawn, but Black gets a really strong knight at d3 in compensation; in this line, the exchange sacrifice doesn't work.} axb3 37. axb3 Nd3) 34. Nd5 $16 Nd3 35. Rc2 Nxb2 (35... Rd7 $5 $16) 36. Rxb2 $18 {I had calculated this far after taking the pawn on move 33, judging that White has a comfortable and probably winning advantage.} g4 {I was fine with Black spending time to lock up the kingside, or try (as in the game) to open up the h-file, as my rooks are well positioned to switch from queenside to kingside as necessary.} 37. Rbd2 {perhaps not the most effective move, but it seemed the easiest way to proceed.} h5 $2 {this does nothing to try and disrupt White's strong play on the queenside and down the d-file, which is Black's only chance.} (37... a4 {this is a common idea for breaking up pawn chains, the idea being that White would come out worse if he takes on a4, exchanging that for the c-pawn and ending up with weak doubled a-pawns.}) 38. Nc3 Rd7 39. Rd5 {I was pleased at finding this idea, as in the past I've had trouble identifiying when to deploy rooks centrally.} Ra6 (39... Rc5 {is not much help} 40. Na4 Rxd5 41. Rxd5 $18) 40. Na4 (40. Nb5 $18 {seems even better, notes Houdini, as the knight can then go to d4 and the f5 pawn falls.}) 40... Nd8 $2 {this misses the primary tactical threat behind the last move.} (40... Rb7 $18 {and White will have to reposition his knight again to make progress.}) 41. Nc5+ $1 {a triple fork, using the visually but not actually protected c5 square, given that the d-pawn is pinned against the hanging Rd7.} dxc5 42. Rxd7 Nf7 43. Rc7 a4 44. Rxc5 axb3 45. axb3 Ra2+ 46. Kg1 Re2 {I had calculated this far after the fork and had seen that White could win by advancing his queenside pawns, so was not concerned about the e-pawn.} 47. Rc6+ Ke7 48. b4 Rxe3 49. Rc7+ Ke6 50. b5 Rb3 (50... h4 {is Black's best try, but an insufficient one.} 51. gxh4 g3 52. Rc6+ Ke7 53. Rd5 Re1+ 54. Kg2 Re2+ 55. Kxg3 Re3+ 56. Kg2 Re2+ 57. Kg1 Re1+ 58. Kf2) 51. Rc6+ Ke7 52. b6 {with the Rd1 cutting off the Black king, Black's position is hopeless.} Rb2 53. Rc7+ Ke6 54. c5 (54. c5 e3 55. b7 e2 56. Re1 {and Black has no more possible threats left.} Kd5 57. Rxe2 $1) 1-0

Annotated Game #114: A speculative "sacrifice"

This game was the next game played on Chess.com after Annotated Game #113 and made me wonder if my opponent had looked that up and copied the Exchange Variation, simply because White had won the previous game that way.  In any case, the game diverges early (move 6) and Black achieves a more standard position in the line than in the other game, easily equalizing.

After mishandling a combinational idea (see move 15), which resulted in what I thought was a rather stale-looking position, I decided to undertake a speculative "sacrifice" on move 18.  Black nets three pawns for the knight, so it's not technically a material deficit, but Black still feels the loss of the piece before the pawns can mobilize effectively.  Despite some additional pressure that I also obtained from placing a rook on the second rank, my opponent defended well and I decided to try and head for the endgame, where I felt with my extra pawns I would have an edge and all the real winning chances.

Unfortunately there was still enough material on the board for White to be able to gain the initiative and pose some threats - to which I reacted poorly, making what should have been a losing blunder on move 27. The seesaw battle after that was not well played by either of us, but as Tartakower said, the winner of the game is the player who makes the next-to-last mistake.  I felt a little personally redeemed at the end of the game, since I correctly calculated a sequence involving a pawn sacrifice that ensured White could not prevent one of my central pawns from queening.

I learned a good deal from this game and did some rare things for me as a player (the knight "sacrifice" and finding an endgame combination), so despite the panic and poor play for a series of moves I'll chalk it up as a positive experience in general for my chess.

[Event "DHLC Slow Swiss #11"] [Site "Chess.com"] [Date "2014.01.26"] [Round "5"] [White "Okieman888"] [Black "ChessAdmin_01"] [Result "0-1"] [ECO "B13"] [WhiteElo "1365"] [BlackElo "1470"] [Annotator "ChessAdmin/Houdini"] [PlyCount "68"] [EventDate "2014.??.??"] [TimeControl "45"] 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Nf3 {normal is Bf4 or Bg5 as an alternative.} Bg4 {I thought for a little while here and decided that this made the most sense as a reaction to White's move-order. It is a standard move anyway in the variation.} 7. O-O e6 {by this point Black already has comfortable equality.} 8. Bg5 h6 {provoking the exchange. I thought that the dark-square bishop would be better placed on d6 than it would after Be7, which the database shows is the standard move in the position.} 9. Bxf6 Qxf6 { with the queen in place, now Black can think about exchanging off the Bd3 without ruining his pawn structure.} 10. Nbd2 (10. Qb3 {might challenge Black a little more, at least removing the queen from the kingside.} Qe7 11. Nbd2 g6 $11) 10... Bd6 11. Re1 O-O 12. Qb3 Rab8 {I didn't see anything better here. Although the rook is tied to the defense of the b-pawn, White's queen isn't doing a whole lot more. Houdini agrees.} 13. h3 Bf5 14. Bf1 {this was a bit of a surprise, although the bishop does play a defensive role here. Rarely does White let Black get dominance of the h7-b1 diagonal and it gets used in this game to good effect later.} Rfc8 {this is intended to activate the rook and shore up Black's queenside against potential breaks on the c-file.} 15. Nh2 $6 {seemingly intending Ng4 or Nbf3, but neither seem to be particularly effective maneuvers for White. However, with my next move I turn it into a smart idea for White.} Bxh2+ $6 {dubious for both the reason played (calculation of a flawed combination) and for the positional blunder of exchanging a beatiful, unopposed dark-square bishop for a knight on the rim.} ( 15... Bxh3 $1 {is the correct version of the combination, taking advantage of the weakness of f2 and the hanging Nd2.} 16. Ndf3 (16. gxh3 $2 Bxh2+ 17. Kxh2 Qxf2+) 16... Bf5) 16. Kxh2 Qh4 (16... Bxh3 $2 {was what I had originally calculated, only considering the pawn recapture, which would then allow for ... Qxf2+ and then taking the unprotected Nd2. Luckily I actually rechecked the move and falsified it, as} 17. Kxh3 {refutes the idea.} Qf5+ 18. g4 Qxf2 19. Qd1 $16) 17. g3 {After Black's last move, White apparently saw the renewed threat of ...Bxh3.} Qf6 18. Qd1 {now the Nd2 is no longer hanging.} Nxd4 $5 { I thought for a while here and calculated that I could get three pawns and some pressure for the piece, along with a dominant center. In part I simply wanted to see if the idea would work for my own edification, while also not seeing any other useful alternate plans for Black.} (18... b5 {followed by ... b4 is Houdini's preferred plan, the idea being to undermine support for the d4 pawn.}) 19. cxd4 Qxd4 20. Kg2 {White thought a while over this, choosing to save the f-pawn.} Rc2 {I thought for a little while here, considering the rook move would cause much more difficulty for White than simply snatching the b2 pawn.} 21. Re2 {White thought for a good length of time here and defends correctly with the only move.} Qxb2 (21... Bd3 {I calculated would not work because of} 22. Nf3 {and now the Bd3 is pinned while White attacks both the Qd4 and the Re2.} (22. Nb3 {is even much better for White.})) 22. Nf3 {White has avoided the major threats and I felt it was best to start exchanging material and heading for an endgame, where Black's extra pawns (especially the protected passed d-pawn) should give him a significant edge.} Rxe2 23. Bxe2 Be4 {I thought at the time that it was best to immobilize the Nf3, at least temporarily, but ...Rc8 in hindsight looks much better (Houdini agrees), as the Rb8 contributes little to the fight, a crucial deficit at a time when Black is trying to contain White's pieces.} 24. Rc1 a6 {with the idea of cramping White's bishop and making the pawns less vulnerable to a White rook on the 7th rank.} 25. Rc7 Qxa2 {I felt afterwards that this was greedy and it nearly cost me the game, as White now gets a strong initiative. Houdini considers it objectively best, however.} 26. Bd3 {a strong move, as it eliminates a key Black piece and will open up lines in a dangerous way for White's queen.} Qa5 {I rush to bring my queen back into the defense. Unfortunately, the queen is still not well placed.} 27. Rd7 f5 $2 {at the time this idea seemed like the only way to hold the positon together and I was feeling some time pressure so went ahead and played it without sufficient calculation. In fact it should lose, as it fatally undermines Black's center and exposes the king.} (27... Qc3 {there was no need to get panicky and play the text move, as something relatively simple like this will keep Black equal.} 28. Bxe4 dxe4 29. Nd4 Qc8 $11) 28. Bxe4 fxe4 29. Ne5 $2 (29. Qd4 {and now White has a mate in 6, as g7 cannot be defended.}) 29... Rd8 $2 {this superficially looks helpful but in fact simply weakens Black's position.} ( 29... Qc3 $16) 30. Rxb7 $18 (30. Nc4 $1 {is even better.} dxc4 31. Rxd8+) 30... d4 $2 {the point of the rook being on d8, to allow the advance of the pawn with a discovered attack on the Ne5. However, I completely missed the possibility of a fork with Nc6, probably because I had not properly considered (visualized) the position of the Qa5 in relation to the rook; I very rarely have a queen in that spot in my games. My opponent mentioned afterwards that he saw the fork, but thought that the text move would be more effective.} 31. Qg4 $2 (31. Nc6 $18) 31... Qxe5 $19 {the only move, covering g7 (and winning for Black). I had a bad moment here during the game, as the text move seemed crushing, but then I perceived that the queen would in fact protect against the mate. I attribute the difficulty to the well-known problem of sometimes missing "backwards" moves by pieces.} 32. Rb6 e3 {I spent a fair amount of time here to calculate the forced continuation into a winning endgame. Finally the pawns that Black sacrificed for come into their own!} 33. Qxe6+ Qxe6 34. Rxe6 d3 {now White cannot stop one of the pawns from queening.} 0-1

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