Exercises – Page 861 – IM/WGM Yelena Dembo's Chess Academy

Pawn power and various “Dembo – rules” :)

By Yelena Dembo | February 10, 2014 - 10:06 |February 10, 2014 Exercises

This game from our middlegame collection is a wonderful example on pawn power (pushing passed pawns forward – many people simply forget about them! 🙂 ), making moves which look impossible (but are possible provided you have calculated the variations well) and many “Dembo-rules”. Can you tell which ones?

 [Event "Lausanne 75/292"]  [Site "?"]  [Date "1999.??.??"]  [Round "?"]  [White "Ponomariov, Ruslan"]  [Black "Bacrot, Etienne"]  [Result "0-1"]  [WhiteElo "2609"]  [BlackElo "2561"]  [Annotator "Bacrot,E"]  [SetUp "1"]  [FEN "2brr3/5qbk/6p1/1PBp3p/4p2P/6P1/2Q2PBK/3RR3 b - - 0 33"]  [PlyCount "31"]  [EventDate "1999.??.??"]   33... d4 $3 34. b6 $6 (34. Bb6 Rd6 35. Bc5 d3 (35... Rd5 $6 36. Bxe4 Bf5 37.  Bxd5 Qxd5 38. Qc1 Rc8 39. Rxd4 $1 Qxc5 40. Qxc5 Rxc5 41. Rb4 Bc3 42. Re7+ Kh6  43. Ra4 {/\ Raa7}) 36. Qc1 Rde6 $15) (34. Bxe4 Rxe4 35. Rxe4 (35. Qxe4 Bb7 $19)  35... Bf5 $15) 34... Bb7 $17 35. Qd2 (35. Bxe4 Rxe4 36. Rxe4 Qf3 $19) 35... e3  $1 36. fxe3 dxe3 37. Qe2 Bxg2 (37... Rd2 $2 38. Rxd2 exd2 39. Qxe8 $3 (39. Qxd2  Rxe1 40. Bxb7 Re5 $19) 39... Qxe8 40. Rxe8 d1=Q 41. Bxb7 Qc2+ 42. Bg2 Qxc5 43.  b7 Be5 44. b8=Q Bxb8 45. Rxb8 $11) 38. Qxg2 (38. Rxd8 Rxd8 39. Qxg2 Rd2 40. Re2  Qc4 $19) (38. Kxg2 Rd2 $1 39. Rxd2 exd2 40. Qxd2 Rxe1 41. Qxe1 Qd5+ $19) 38...  Rxd1 39. Rxd1 Qc4 40. Bd6 e2 41. Re1 (41. Rh1 Qd4 42. Bc7 e1=Q 43. Rxe1 Rxe1  44. b7 Be5 $1 45. b8=Q Qxh4+ $19) 41... Bc3 42. Rc1 (42. Qb7+ Kg8 43. Qd7 Qe4  $1 44. b7 Bxe1 45. b8=Q Rxb8 46. Bxb8 Bb4 $19) 42... e1=Q 43. Rxe1 Bxe1 44. b7  Qb3 45. Qc6 Re2+ 46. Kh1 Bc3 47. Bc5 Bg7 48. Ba7 Qxg3 0-1

Understanding a practical Rook endgame

1 Comment

As usual, it is very important to know and understand the basic endgames, but you cannot get to them if you don’t understand the practical ones 🙂 . This very interesting example is from our Rook endgame collection.

 [Event "?"]  [Site "?"]  [Date "2006.05.04"]  [Round "?"]  [White "R endgame"]  [Black "?"]  [Result "1-0"]  [Annotator "Dembo,Yelena"]  [SetUp "1"]  [FEN "8/r5k1/2p3p1/P1P2pP1/1K6/5R2/8/8 w - - 0 1"]  [PlyCount "23"]  [EventDate "2006.??.??"]   {The a5 pawn, which can be supported by White's pieces, is much more dangerous  than black's passed pawn. In addition, Black's passed pawn. In addition,  Black's passively placed pieces have no way of supporting his pawn. White wins  by an extremely instructive rook manoeuvre.} 1. Ra3  {(threatening 2. a6 and  3. Ka5)} Ra6 {(the pawn is blocked, but the black rook is now immobilized)} 2.  Rd3 Kf7 3. Rd6 $1 Kg7 4. Rd7+ Kg8 5. Ka4 $1 {Black's position has further  deteriorated, since the white rook has broken into it. By this move White  prepares the transfer of his rook to b6,} ({since the immediate} 5. Rb7 {could  have been met by} f4) 5... Kf8 6. Rb7 f4 (6... Kg8 7. Rb6 Ra8 8. Rxc6 Kg7 9. a6  f4 10. Rf6 $18) 7. Rb4 {White's mobile rook manages to get everywhere, and  easily copes with the opponent's passed pawn.} Ke7 8. Rxf4 Ke6 9. Rf6+ Kd5 10.  Kb4 Ra7 11. Rd6+ Ke5 12. Rxg6 $18 1-0

Recognizing patterns

By Yelena Dembo | June 5, 2013 - 08:08 |June 5, 2013 Exercises

2 Comments

What patterns and “Dembo rules” can you spot here? 🙂

 [Event "?"]  [Site "Germany"]  [Date "1950.??.??"]  [Round "?"]  [White "Ternplemeier"]  [Black "Muller"]  [Result "*"]  [ECO "B24"]  [SetUp "1"]  [FEN "2bqr3/3rnpkp/ppn3p1/2pN4/3p1N1P/3P2P1/PPPQ1PB1/4RRK1 w - - 0 17"]  [PlyCount "5"]  [EventDate "1950.??.??"]   17. Nf6 Kxf6 18. Nh5+ gxh5 19. Qg5#

Wednesday Quiz

By Yelena Dembo | March 6, 2013 - 12:49 |March 6, 2013 Exercises, Quiz

2 Comments

White to move

Tuesday Quiz

By Yelena Dembo | March 5, 2013 - 15:52 |March 5, 2013 Exercises, Quiz

4 Comments

White to move and win

Category Archives: Exercises

Pawn power and various “Dembo – rules” :)

Understanding a practical Rook endgame

Recognizing patterns

Wednesday Quiz

Tuesday Quiz

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