Saturday, June 18, 2011

Game of the Week

M.Wittje–M.Rohe
RVCCA Ladder Match
Arcadia Books and Café, Spring Green, WI.
June 16th, 2011
Time Control: G/30 +5
[B20: Sicilian: Unusual White 2nd move]

1.e4 c5
[Sicilian defence (B20)]

 2.Bc4 d6 3.Qf3
White's move takes away his king knight's best square for a threat that is easily parried by a developing move by Black. 

3...Nf6 4.d3 a6
[Covers b5]
Black takes away the potentially attacking a4-e8 diagonal & prepares to make a space gaining move which attacks White's bishop.
5.a3 Nc6 6.Be3
[6.Ne2 Qa5+ 7.Bd2 Qb6= ] 
White gives his bishop an escape square.  Black eyes the outpost on d4 and black counters.
6...Ne5=/+
[Black threatens to win material: Ne5xf3]
Black forks the queen & bishop; although this won't win either piece outright, it will win a pawn (see move 8), as well as create a potential weakness in White's pawn structure.

7.Qe2 Nxc4 8.dxc4 Nxe4
[Black has the pair of bishops]

9.Bf4 Nf6
[9...Qb6 10.Bc1 Bf5 11.Nh3-/+ ]
With the advantages gained, Black focuses on defense over the next few moves.

10.Nc3=/+ Be6 11.b3  
[11.0-0-0 h6=/+ ] 
Black's move temporarily shuts in his e-pawn, but it prevents White from gaining access; the e-pawn's role (in the near future) is to guard the d-pawn anyway.

11...g6 12.Ne4?
[Better is: 12.Nf3!?-/+ ]

12...Bg7 13.Rb1
[13.Nxf6+ Bxf6 14.Rc1 Qa5+ 15.Bd2 Qxa3-+ ] 
Black's move sets up a discovered attack on White's Queen's rook.  White sees the threat & moves the rook, although moving the rook to d1 may have been stronger.

13...0-0
[13...Nxe4 14.Qxe4 d5 15.Qf3 dxc4 16.bxc4 Bxc4 17.Ne2-+ ] 
Black is ahead in development, has a strong defensive set up, and a couple of targets available. 

14.h3?
[14.Nxf6+ Bxf6 15.Nf3 Qa5+ 16.Bd2 Qxa3-+ ]

14...Re8
[14...Nxe4 seems even better 15.Qxe4 d5 16.Qf3 dxc4 17.bxc4 Bxc4 18.Bd2-+ ]
Black had several good moves to choose from, including Nxe4 & Qa5+, but chooses to continue to strengthen his defensive position.

15.Qe3?
[15.Nc3 Bf5-+ ]

15...Bd7
[15...Nxe4!? might be the shorter path 16.Qxe4 d5 17.Qe3 Qa5+ 18.b4 cxb4 19.Rxb4-+ ] 
Black eyes a potential double attack on the e4 knight, by playing Bc6 on the next move.  Even though it was seen by White, a better long term placement for the bishop is on the h1-a8 diagonal.

16.f3 Bc6 17.Ne2 Nxe4
By trading now, Black gains an additional advantage: isolating a White pawn on the e-file.

18.fxe4 Qa5+ 19.c3 Qxa3 20.0-0 Qa5 21.Bg5 Qc7 22.Rf4?
[22.b4-+ ] 
Black sent his queen out on a pawn hunting mission, but brought her back quickly in order to avoid any potential attacks on her, as well as to be in better position to help the defense on the kingside.

22...h6
[Better is: 22...f6 and Black can already relax 23.Bh4 g5 24.Bxg5 fxg5-+ ] 
Black eyes the potential pawn fork on the bishop & rook.  f6 wouldn't have lost a pawn in the exchange; however, it would have opened up the f-file (which might have allowed White to bring a stronger attack on Black's king), plus Black would get a skewer on the queen & rook on the next move.

23.Rh4
[23.Bh4 there is nothing better in the position 23...g5 24.Bxg5 hxg5 25.Rg4-+ ]

23...hxg5 24.Qxg5
[24.Rg4 cannot undo what has already been done 24...Bf6-+ ]

24...Bf6
The skewer... as noted above; takes away any attacking chances White had.

25.Qh6 Bxh4 26.Rf1
[26.Qxh4 the only chance to get some counterplay 26...b5 27.Rf1-+ ]

26...Bf6 27.Rf4 Bg7 28.Qg5 e5
[Better is: 28...Qb6!? keeps an even firmer grip 29.Nc1 Bxc3 30.Qg4-+ ] 
Black is only focused with White's attack at this point, having enough advantages to secure victory in the long haul, so does not see a need to go out trying to create more advantages (since that would increase the risks).

29.Rg4 Qe7
[Better is: 29...a5 makes it even easier for Black 30.Qe3-+ ] 
With more than enough advantages to secure victory, Black would like to trade queens (removing any chances that White still had) & move on to the endgame.

30.Rg3 Qxg5 31.Rxg5 Bxe4 32.Ng3 Bc6
[32...Bc2 seems even better 33.Kf2-+ ] 
The b-pawn was of little significance at this point, so Black chose to keep his light squared bishop centralized on the long diagonal. 

33.h4 Bh6
[Better is: 33...a5 keeps an even firmer grip 34.h5 a4 35.bxa4-+ ] 
White's rook is in danger of being trapped...

34.Rg4 Kh7 35.h5 g5
[35...Rg8!? and Black can already relax 36.Ne4 Bxe4 37.Rxe4 gxh5 38.Kf2-+ ] 
If White doesn't move his knight, his rook is lost to f5.

36.Nf5 Bd7 37.Nxh6 Bxg4
[Better is: 37...Kxh6 nails it down 38.Re4 Kxh5 39.Re1-+ ] 
Black is content to trade two minor pieces for a rook, since both an overwhelming material advantage & positional advantage remain.  Removing the rook also takes away any counter threats by White, and makes Black's win the endgame much easier.

38.Nxg4 Kg7 39.h6+ Kg6

0-1
Black Wins On Time
[Analysis by Deep Rybka 4.1 ]
Annotation by Taylor Scott and Mike Rohe

M.Wittje-M.Rohe - 0-1 - Arcadia Books - Spring Green, WI - 6/16/2011


____________________________________________________________

Taylor Scott and Mike Rohe play a game earlier at Arcadia (Source)

T.Scott-M.Rohe - 0-1 - Arcadia Books - Spring Green, WI - 6/16/2011 - ANALYSIS

[Event "RVCCA Ladder Match"]
[Site "Arcadia Books and Cafe"]
[Date "2011.06.16"]
[White "T.Scott"]
[Black "M.Rohe"]
[Result "0-1"]
[ECO "B22"]

1. e4 c5 2. c3 d5 3. d3 dxe4 4. dxe4 Qxd1+ 5. Kxd1 Bg4+ 6. Be2 Bxe2+ 7.
Nxe2 Nc6 8. Be3 b6 9. Nd2 Nf6 10. f3 e6 11. Nc4 Rd8+ 12. Kc2 Be7 13. Rad1
O-O 14. Bg5 h6 15. Rxd8 Rxd8 16. e5 hxg5 17. exf6 Bxf6 18. Rd1 Rd5 19. Nd6
Rxd1 20. Kxd1 Be5 21. Nc4 f5 22. Nxe5 Nxe5 23. h3 Nc4 24. Kc1 f4 25. g3 Kf7
26. gxf4 gxf4 27. Nxf4 Ne3 28. b3 Kf6 29. b4 cxb4 30. cxb4 Ke5 31. Ng6+ Kd4
32. Kb2 a5 33. a3 a4 34. Ne7 Nd5 35. Nc6+ Ke3 36. Ne5 Kf4 37. Nf7 e5 38.
Nd6 Kxf3 39. Nc4 e4 40. Nd2+ Ke3 41. Kc2 g5 42. b5 Kd4 43. Kb2 Kd3 44. Kc1
e3 45. Nf3 e2 46. Kb2 Ke3 47. Ne1 Nb4 48. Kc3 Nd3 49. Ng2+ Ke4 50. Kd2
e1=Q+ 51. Nxe1 Nxe1 52. Kxe1 Ke3 53. Kf1 Kf3 54. Kg1 Kg3 55. Kf1 Kxh3 56.
Ke2 g4 57. Kd3 g3 58. Kd4 g2 59. Kd5 g1=Q 60. Kc6 Qc5+ 61. Kb7 Kg4 62. Ka6
Qd4 63. Ka7 Kf5 64. Ka6 Ke6 65. Ka7 Kd7 66. Ka6 Kc7 67. Ka7 Qb4 68. axb4 a3
69. Ka6 a2 70. Ka7 a1=R#
0-1

Download .PGN

 

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