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ChessBase Magazine issue 200
March April  2021

ISSN 1432-8992
Euro 19.95
System requirements:
Minimum: Pentium III 1 GHz, 1 GB RAM, Windows Vista, XP (Service Pack 3), DirectX9 graphic card with 256 MB RAM, DVD-ROM drive, Windows Media Player 9, ChessBase 12/Fritz 13 or included Reader and internet connection for program activation. Recommended: PC Intel Core i7, 2.8 GHz, 4 GB RAM, Windows 8.1 or Windows 10, DirectX10 graphic card (or compatible) with 512 MB RAM or better

It is great pleasure to announce this jubilee issue of ChessBase Magazine issue 200,holding on the cover the two Dutch heroes Anish Giri and Tata Steel winner Jordan van Foreest.
Besides the main file with 413 entries where a small 25 of them are more than excellent analysed.
A fine example of this issue is: Van Foreest,Jorden (2671) - Anton Guijarro,David (2679) [C84]
Tata Steel 83rd Wijk aan Zee (6), 22.01.2021
[Van Foreest, Jorden]
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 Usually Anton opts for the Open Spanish with 5...î?¨xe4, but it seems that for this tournament he had other intentions.
 6.d3 b5 7.Bb3 d6 8.c3 0-0 9.h3 I had prepared this subtle move before the tournament. If Black isn't booked up he can easily drift and end up in a slightly worse position. 9...h6 A decent move, but I think that 9...î?§b7 offers Black an easier game.
 10.a4 Bd7 11.Bc2 Prophylaxis vs . ...î?¨a5/...c5, which is Black's main idea. 11...b4 This one in combination with î?§d7 seems rather odd to me. If you want to play ...b4 why not play it one move earlier?
 12.Nbd2 Re8 13.a5 This is a typical idea, fixing the pawn on a6 and grabbing some space as well. Sometimes this pawn on a5 can become a weakness, but more often than not it is a strength. 13...Bf8 14.Re1 Rb8 15.d4! Although I was already out of my preparation for some time I was still playing quickly and confidently. The White moves come quite easily and I liked my position. [15.Nc4!? opting for a slower and more strategical struggle is the alternative. I was looking for more dynamic positions instead.] 15...bxc3 16.bxc3 exd4 17.cxd4 Nb4 18.Bb1 After 15.d4 this position is reached almost by force. It has a strong resemblance of the Zaitsev system. While not having much experience playing these positions, I knew some of the classic Kasparov-Karpov games which featured the opening frequently. In general with his strong centre White is aiming for an attack, while Black should be trying to undermine the white centre. 18...g6 19.Ra3 This is a common idea, the rook will find itself useful on the 3rd rank, with possible rook lifts to the kingside being among the plans. 19...Bg7?! It was probably better to clarify the situation in the centre with 19...c5 instead.
 20.Nf1 Rb5 Activating the rook on the 5th rank seems good to me. In particular because 20. ..c5 doesn't work out well for Black now. [20...c5 21.Bf4! White having this possibility is the reason why it was better for Black to start with 19... c5 one move earlier.] 21.Ng3 Nh5? With this move Black is completely going on the wrong track and immediately starts finding himself in a dreadful position. [21...Nh7! instead was a much better way. Intending to play Ng5 and start putting the White centre under pressure.] 22.Nxh5 Rxh5 23.d5! It was this strong move that my opponent had underestimated. It appears that the rook is suddenly stuck on the edge of the board with no clear aim. Perhaps my opponent was dreaming of Bxh3 sacrifices, but these are just dreams. 23...c5 24.Bf4 Bb2!? An interesting try in a bad position. Intending to harass the white pieces on the queenside and hope for counterplay with the c-pawn. Nevertheless, with such a rook on h5 it is hard to believe that things will work in Black's favour.
 25.Rae3 Qf6 26.Bg3 c4 27.Qe2 Bb5 28.e5?! It was this natural breakthrough that I had been envisioning for some time now. But what a beautiful sacrifice I had missed! [28.Bxd6! c3 I stopped my calculations, since I am about to lose my queen. What is amazing is that White is in fact completely winning after 29.Qxb5 axb5 30.Bxb4! with complete domination over the board. Notice how out of play the rook and bishop of Black are. White has the simple intention of pushing his pawns and there is nothing to do for Black. Chess can be truly beautiful at times!] 28...Bxe5 29.Nxe5 dxe5 30.Bxe5 Rexe5! The only try, and it was this that I had been calculating for some time. Other moves such as 30..î?¥d8 lose swiftly: [30...Qd8 31.Bc3! Rxe3 32.Qxe3 Nxd5 33.Qd4 and the threats along the long diagonal can't be parried.] 31.Rxe5 c3 The last critical moment in the game has appeared. At first, I thought there is no real difference between î?¥e4 and î?¥e3. In my calculations I had been mostly counting on î?¥e4, thinking it would be more forcing. However, in time I noticed one of Black's resources.
 32.Qe3 [32.Qe4 Rh4! It was this funny move that I had not seen at first. There is one more idea which saves the day for black however. And it is simply stunning!(32...c2! 33.Rxh5 Nd3!! Not taking any piece, and at the moment while Black is down a rook and an exchange. Still the evaluation is 0.00 :-) A sample line is as follows: 34.Bxc2 Qxf2+ 35.Kh2 Nxe1 36.Rxh6 Nxg2 37.Rxg6+ fxg6 38.Qxg6+ Kf8 39.Qxg2=) ] 32...c2 The other defence doesn't yield much hope either. [32...Rxe5 33.Qxe5 Qxe5 34.Rxe5 f6!? the best try. (34...c2 35.Bxc2 Nxc2 36.d6+-) 35.Re7 c2 36.Bxc2 Nxc2 37.d6 Kf8 38.Re6! and White should win without too much difficulty.] 33.Rxh5 gxh5 34.Bxc2 Nxc2 35.Qe5 Kg7 36.Re4 Bd3? A blunder in a tough position. [36...Qxe5 37.Rxe5 would have offered Black somewhat better hopes of defending, although the final result shouldn't be in doubt. Threats to the weak kingside pawns in combination with the passed d5 pawn are too much to deal with.] 37.Qg3+ 1-0.
A other high lights are the eleven opening surveys where I found:
Evgeny Postny: English 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e5
Patrick Zelbel: King's Indian Double Fianchetto 6.b3 e5!
Petra Papp: Alekhine Defence 4.c4 Nb6 5.exd6
Spyridon Kapnisis: Sicilian Richter-Rauzer with 7.Bb5
Yago Santiago: French 1.e4 e6 2.d4 d5 3.Nd2 Nc6
Tanmay Srinath: French Winawer Part IV – 13.Nxc3
Alexey Kuzmin: Vienna Game 3.Bc4 Nc6 4.d3 Na5 5.Bb3
Igor Stohl: Scotch with 8.h4
Adrien Demuth: Schliemann Defence Deferred 4...f5
Krisztian Szabo: Queen's Gambit Exchange Variation 6.Bf4
Sergey Grigoriants: Grünfeld with 10...Bg4
Opening videos: Jan Werle: Sicilian Moscow Variation
1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.Bxd7+ Nxd7 5.0-0 Ngf6 6.Qe2/6.Re1
Daniel King: Italian à la Dubov
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.b4
Mihail Marin: Sveshnikov Variation
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Ndb5 d6 7.Bf4 e5 8.Bg5 a6 9.Na3 b5 10.Nd5 Be7 11.Bxf6 Bxf6 12.c4 b4 13.Nc2 a5 14.Be2 0-0 15.0-0 Bg5 16.Qd3 Bb7
Other columns are:My favourite young Carlsen game,Anniversary:The best analyses from CBM with 100 of the best game analyses in CBM history,All in one,Williams: Move by Move,Rogozenco:The Classic,Marin: Carlsen Strategy,Reeh:Killer lady on h5,Müller:Endgame highlights and much more!
Knaak:Opening traps etc.
Included is a two language booklet!
Conclusion: Smashing issue!

The Grünfeld Formula
by  IM Andrew Martin

Price Euro 29.90

Windows 7 or higher
Minimum: Dual Core, 2 GB RAM, DirectX11, graphics card with 256 MB RAM, DVD-ROM drive, Windows Media Player 9, ChessBase 14/Fritz 16 or included Reader and internet access for program activation. Recommended: PC Intel i5 (Quadcore), 4 GB RAM, Windows 10, DirectX11, graphics card with 512 MB RAM or more, 100% DirectX10-compatible sound card, Windows Media Player 11, DVD-ROM drive and internet access for program activation.
MacOSX  only available as download! Minimum: MacOS "Yosemite" 10.10

IM Andrew Martin comes with a brilliant universal made all round repertoire line,that is useful against all kind of moves as the:Queens pawn opening, Nimzowitsch 1.b3, Sokolski, English, Opening, Bird, London System, Torre, Trompowski, Barri Attack, Colle, Stonewall and more.
This all is well packed in 6 hours highly interesting video entertainment, all well explained by a very experienced and successful chess trainer.
For many chess players is a successful repertoire more than a set of variations, it also requires strategic understanding and this is more than excellent explained, as Euwe once wrote in his famous openings books of twelve ,it are not the variations but the strategies that you have to learn.
Included is an extra database,and a fine example of play is: Williams,Simon Kim (2381) - Luther,Thomas (2574) [A03]
Monarch Assurance 12th Port Erin (7), 03.09.2003
[Andrew Martin]
1.f4 d5 2.e3 [2.Nf3 g6 (2...Nf6 3.b3) ] 2...g6 3.Nf3 [3.b3] 3...Bg7 4.Be2 Nh6 5.0-0 0-0 6.d3 [6.c4 c6 7.d4 Bg4 8.Qb3 Qb6 9.Qa3 Nf5 10.Nc3 dxc4 11.Kh1 (11.Bxc4 Bxf3 12.Rxf3 Nxd4 13.exd4 (13.Bxf7+ Rxf7 14.exd4) 13...Qxd4+) 11...Nd6 0-1 (34) Chernyshov,K (2536)-Dautov,R (2631) Ohrid 2001 CBM 084 [Andrew];
6.d4 Nd7 7.c3 Nf5 8.g4 Nd6 9.Nbd2 c5] 6...b6 [6...c6 7.Qe1 (7.e4 Qb6+ 8.Kh1 Bxb2) 7...Qb6 8.c3 Nd7 9.Na3 Re8 10.d4 Nf5] 7.e4 dxe4 8.dxe4 Bb7 9.Ng5 Qxd1 10.Rxd1 Na6 11.e5 Rfd8 12.Rxd8+ Rxd8 13.Na3 Nf5 14.g4 Nd4 15.Bc4 e6 16.c3 h6 17.Nh3 [17.cxd4 hxg5] 17...Nf3+ 18.Kf2 Nd2 19.Be2 Nc5 20.Ke3 Bf8 21.b4 [21.Bxd2 Nb3 22.axb3 Bc5#] 21...Nde4 22.Nb1 [22.bxc5 Bxc5+ 23.Kf3 Nxc3+] 22...f5 23.gxf5 gxf5 24.Ba3 Na4 25.Bf3 b5 26.Bc1 Nb6 27.Ke2 Nxc3+ 28.Nxc3 Bxf3+ 29.Kxf3 Rd3+ 30.Kg2 Rxc3 31.a3 Nd5 32.Nf2 c5 33.Kf1 c4 34.Ke2 Rc2+ 35.Kf3 Rc3+ 36.Ke2 Rc2+ 37.Kf3 Be7 0-1,and as we can see it is easy to play and even easier to learn!
Conclusion: Highly instructive!