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The Blumenfeld Gambit - A sharp weapon in the Benoni

It was back in the 1920s that the Russian master Benjamin Blumenfeld invented his famous gambit 1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.d5 b5!?, and to the present day the opening retains great popularity. Black plays for the initiative and the win from the word go. It’s all about the centre. Who will be the first to dominate this important area of the board? A fierce, immediate fight breaks out, and if either player does not know what to do, a crushing defeat could be the result. This opening is ideal for club and tournament players.

• Video running time: 4 h 44 min (English)
• With interactive training including video feedback
• Extra: Exclusive database with more than 50 model games and recent examples
• Including CB 12 Reader

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This is what is delivered:

  • Fritztrainer App for Windows and Mac
  • Available as download or on DVD
  • Video course with a running time of approx. 4-8 hrs.
  • Repertoire database: save and integrate Fritztrainer games into your own repertoire (in WebApp Opening or in ChessBase)
  • Interactive exercises with video feedback: the authors present exercises and key positions, the user has to enter the solution. With video feedback (also on mistakes) and further explanations.
  • Sample games as a ChessBase database.
  • New: many Fritztrainer now also available as stream in the ChessBase video portal!

That's what the FritzTrainer App can do for you:

  • Videos can run in the Fritztrainer app or in the ChessBase program with board graphics, notation and a large function bar
  • Analysis engine can be switched on at any time
  • Video pause for manual navigation and analysis in game notation
  • Input of your own variations, engine analysis, with storage in the game
  • Learn variations: view specific lines in the ChessBase WebApp Opening with autoplay, memorize variations and practise transformation (initial position - final position).
  • Active opening training: selected opening positions are transferred to the ChessBase WebApp Fritz-online. In a match against Fritz you test your new knowledge and actively play the new opening.

Even more possibilities: Start FritzTrainer in the ChessBase program!

  • The database with all games and analyses can be opened directly.
  • Games can be easily added to the opening reference.
  • Direct evaluation with game reference, games can be replayed on the analysis board
  • Your own variations are saved and can be added to the own repertoire
  • Replay training
  • LiveBook active
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  • Assisted Analysis
  • Print notation and diagrams (for worksheets)

Sample video

Contents

  • The Blumenfeld Gambit: 1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.d5 b5
  • 01: Introduction [01:06]
  • Strategic Ideas and themes
  • 02: 5.dxe6 fxe6 6.cxb5 d5 7.e3 Bd6 8.Nc3 0-0 Game 1 - Tarrasch,S - Alekhine,A [15:25]
  • 03: 5.dxe6 fxe6 6.cxb5 d5 7.Nc3 Nbd7 8.e4 d4 9.e5 Ng4 10.Ng5 Ndxe5 11.Nce4 h6 Game 2 - Malakhatko,V - Vallejo Pons,F [08:19]
  • 04: 1.d4 Nf6 2.c4 e6 3.Nf3 a6 4.Nc3 c5 5.d5 b5 6.Bg5 b4 7.Ne4 d6 8.Bxf6 gxf6 Game 3 - Browne,W - Dzindzichashvili,R [07:01]
  • 05: 5.Bg5 Qa5+ 6.Qd2 Qxd2+ 7.Nbxd2 bxc4 8.e4 Bb7 9.Bxf6 gxf6 10.Bxc4 Na6 Game 4 - Law,A - Martin,A [09:57]
  • 06: 5.e4 Nxe4 6.Bd3/dxe6 Game 5 - Cramling,P - Muzychuk,A [08:12]
  • 07: 5.Bg5 exd5 6.cxd5 h6 7.Bxf6 Qxf6 8.Qc2 d6 9.e4 a6 Game 6 - Rodshtein,M - Tazbir,M [07:36]
  • 08: 5.Bg5 b4 6.Nbd2 Be7 7.Bxf6 Bxf6 8. Qc2 d6 Game 7 - Babula,V - Navara,D [09:54]
  • Blumenfeld Gambit Accepted - 5.dxe6 fxe6 6.cxb5 d5/Bb7
  • 09: 5.dxe6 fxe6 6.cxb5 d5 7.Nbd2 Be7 8.g3 0-0 9.Bg2 Qb6 Game 8 - Van Wessel,R - Ward,C [11:11]
  • 10: 5.dxe6 fxe6 6.cxb5 d5 7.Bg5 Qa5+ 8.Qd2 Qb6 Game 9 - Kortschnoj,V - Vallejo Pons,F [08:18]
  • 11: 5.dxe6 fxe6 6.cxb5 d5 7.e3 Bd6 8.Nc3 Bb7 Game 10 - Chojnacki,K - Nguyen,P [07:11]
  • 12: 5.dxe6 fxe6 6.cxb5 d5 7.Nc3 Nbd7 8.e4 d4 9.e5 Ng4 10.Ng5 Ndxe5 11.f4 Be7 Game 11 - Rodshtein,M - Parligras,M [06:10]
  • 13: 5.dxe6 fxe6 6.cxb5 d5 7.Bf4 Bd6 8.Bxd6 Qxd6 9.Nbd2 0-0 Game 12 - Kosteniuk,A - Muzychuk,A [04:45]
  • 14: 5.dxe6 fxe6 6.cxb5 Bb7 7.Nc3 Be7 8.e3 0-0 9.Bd3 d5 Game 13 - Miles,A - Alburt,L [04:53]
  • 15: 5.dxe6 fxe6 6.cxb5 Bb7 7.Nbd2 Be7 8.g3 Qa5 Game 14 - Browne,W - Alburt,L [07:32]
  • 16: 5.dxe6 fxe6 6.cxb5 Bb7 7.Nc3 Be7 8.Bg5 d5 9.e3 Nbd7 10.Be2 0-0 11.0-0 Kh8 Game 15 - Ehlvest,J - Popov,V [08:40]
  • 17: 5.dxe6 fxe6 6.cxb5 Bb7 7.g3 Be7 8.Bg2 0-0 9.0-0 a6 10.bxa6 Rxa6 Game 16 - Batchelor,P - Buckley,G [07:25]
  • 18: 5.dxe6 fxe6 6.cxb5 Bb7 7.Nc3 Be7 8.g3 0-0 9.Bg2 a6 Game 17 - Novikov,I - Przewoznik,J [06:04]
  • 19: Gambit Accepted Summary Game 18 [01:13]
  • Blumenfeld Gambit Declined - 5.Bg5 exd5 and 5.Bg5 Qa5+
  • 20: 5.Bg5 exd5 6.cxd5 h6 7.Bxf6/Bh4/Bf4 Game 19 - Almagro Llamas,P - Huerga Leache,M [12:38]
  • 21: 5.Bg5 exd5 6.cxd5 h6 7.Bxf6 Qxf6 8.Qd2 d6 9.e4 a6 Game 20 - Schnepp,G - Fridman,D [04:08]
  • 22: 5.Bg5 exd5 6.cxd5 h6 7.Bh4 g5 8.Bg3 Bb7 9.Nc3 b4 10.Nb5 d6 Game 21 - Arias Igual,A - Arribas Lopez,A [05:37]
  • 23: 5.Bg5 exd5 6.cxd5 h6 7.Bh4 d6 8.e4 a6 9.Bd3 Be7 Game 22 - Maletin,P - Savchenko,B [12:55]
  • 24: 5.Bg5 Qa5+ 6.Qd2 Qxd2 7.Nbxd2 Na6 8.dxe6 fxe6 9.cxb5 Nb4 Game 23 - Wilder,M - Alburt,L [13:56]
  • 25: 5.Bg5 Qa5+ 6.Nbd2 bxc4 7.Bxf6 gxf6 8.e4 Rg8 9.g3 Rg4 Game 24 - Ree,H - Nijboer,F [07:10]
  • 26: 5.Bg5 Qa5+ 6.Nbd2 bxc4 7.Bxf6 gxf6 8.e4 Rg8 9.Qc2 Na6 Game 25 - Bobula,M - Wojtaszek,R [08:32]
  • 27: 5.Bg5 Qa5+ 6.Nc3 Ne4 7.Bd2 Nxd2 8.Qxd2 b4 9.Ne4 Be7 Game 26 - Van Wely,L - Sokolov,I [11:31]
  • 28: Blumenfeld Gambit Declined - 5...exd5 and 5...Qa5+ summary Game 27 [03:26]
  • Other ways to decline the Gambit on move 5
  • 29: 5.a4/e4 Game 28 - Mohebbi,J - Izeta Txabarri,F [04:10]
  • 30: 5.a4 b4 6.Bg5 h6 7.Bh4 exd5 8.cxd5 d6 9.Nbd2 Be7 Game 29 - Manin,V - Ionov,S [04:04]
  • 31: 5.Bf4 exd5 6.cxd5 Bb7/Qa5+ Game 30 - Khotenashvili,B - Muzychuk,M [06:14]
  • 32: 5.Qc2 Game 31 - Machado,E - Matsuura,E [06:15]
  • 33: 1.d4 Nf6 2.c4 e6 3.Nf3 a6 4.Nc3 c5 5.d5 b5 6.Bg5 b4 7.Ne4 Be7 8.Bxf6 Bxf6 Game 32 - Kaufman,R - Gurevich,D [10:15]
  • 34: Outro [01:31]
  • Test
  • 35: Test 1 [04:26]
  • 36: Test 2 [06:46]
  • 37: Test 3 [05:42]
  • 38: Test 4 [03:49]
  • 39: Test 5 [02:34]
  • 40: Test 6 [05:59]
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Benoni/Benko Gambit

The Modern Benoni is a fighting and doubleedged opening, in which Black deliberately takes risks in order to achieve active play. The move order 2...c5 3.d5 e6 4.Nc3 exd5 5.cxd5, which characterises the Modern Benoni, creates for White a dangerous pawn majority in the centre; his simple and effective plan is, after due preparation by f4, the pawn thrust e4-e5. It is however not easy to seize the best moment for this pawn advance. There are systems in which White gets in the move e5 at a very early stage, and there are others in which he holds back his main trump for a long time. But Black has of course got something in return: the pawn majority on the queenside which he can mobilise by means of ...a6 and ...b5, the semiopen e-file where he can exert pressure against the e4-pawn, the Bg7 which can become very strong on the h8-a1 diagonal and the outpost on e5 which is an ideal square for the knight.

In the Benko Gambit, named after the Hungarian-American grandmaster Pal Benko, Black offers his b-pawn as early as on move three. If White accepts the sacrifice with 4.cxb5 a6 5.bxa6 g6 6.Nc3 Bxa6 then Black will for a long time exert unpleasant pressure on the queenside via the semi-open a- and b-files.

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