[Event "ESP/MG5/A (ESP)"]
[Site "ICCF"]
[Date "2021.06.01"]
[Round "?"]
[White "Pirs, Matjaz"]
[Black "Badolati, Sérgio"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2487"]
[BlackElo "2506"]
[Annotator "Grivas,E"]
[PlyCount "70"]
[EventDate "2020.??.??"]
{[%evp 0,70,34,16,44,44,42,52,49,38,38,31,49,2,14,3,41,42,28,28,28,42,54,13,45,
32,42,36,5,-12,6,8,8,13,26,23,35,29,34,34,37,10,32,27,27,22,-4,-16,-11,2,-2,
-14,-14,0,51,46,22,0,0,0,0,0,0,0,0,-21,-4,-1,0,0,0,0,0]} 1. e4 c5 2. Nc3 Nc6 3.
Nf3 e5 4. Bc4 Be7 5. d3 d6 6. Nd2 (6. Ng5 $2 {is a bad tactic:} Bxg5 7. Qh5 Be7
$1 (7... g6 $2 8. Qxg5 Qxg5 9. Bxg5 $14 {Tindall,B-Smirnov,V Sydney 2008}) 8.
Qxf7+ Kd7 9. Qxg7 Nf6 $17 {Adams,M-Coleman,D Plymouth 1989.}) ({The other main
line is} 6. O-O Nf6 7. Ng5 O-O 8. f4 h6 9. Nf3 exf4 10. Bxf4 {and now Black
has tried many moves as} Be6 {,} (10... Bg4 {and lately}) (10... Na5 $5 {
- I even wrote a survey for CBM based on this move! With the text move White
is securing control over the square d5, by the manoeuvre Nd2-f1-e3xd5.})) 6...
Nf6 7. Nf1 ({Trying to avoid the next Black's move with} 7. h3 $6 {leads to a
disaster for White:} Be6 8. Nf1 d5 9. exd5 Nxd5 10. Nxd5 Bxd5 11. Ne3 Bxc4 12.
Nxc4 O-O 13. a4 Qd5 14. O-O Rad8 15. Qe1 Nd4 16. Ne3 Qe6 17. Bd2 Bg5 18. Rc1 e4
19. dxe4 Qxe4 20. f3 Qe5 21. Qf2 Ne2+ {0-1 Hossain,E-Grivas,E Elista 1998.})
7... Bg4 8. f3 Be6 {[%csl Gc2,Gd3,Ge4,Gf3,Gf5,Gg2][%CAl Ge4d5,Gc6b7,Gc6b5,
Gd5c4,Gc3b5,Ge4f5,Gg6h7,Gg6h5,Gf5g4,Rf5e6,Re6f7,Rd5e6,Re6d7]} 9. Ne3 O-O (9...
Qd7 $5 10. Ncd5 ({A novelty. Know is} 10. O-O O-O 11. Ncd5 (11. a3 a6 (11...
Nd4 $5) 12. Ncd5 Bxd5 13. Nxd5 Nxd5 14. Bxd5 Bf6 $5 (14... Kh8 $6 15. f4 exf4
16. Bxf4 Ne5 17. c3 $14 {Charbonneau,P-Do Lam Hoang Philadelphia 2004}) 15. c3
Ne7 16. Bb3 d5 $11) 11... Ne8 12. f4 exf4 13. Nxe7+ Nxe7 14. Rxf4 Ng6 15. Rf2
Nc7 16. Qh5 Bxc4 17. Nxc4 d5 18. exd5 Nxd5 19. Bd2 Rae8 $11 {Zaragatski,
I-Richter,M Dresden 2002.}) 10... Bd8 $5 ({An interesting move, clearing the
e7 square for the c6 knight, after an eventual capture on d5. Black seems to
face no real opening problems, but I would certainly be fond of} 10... Bxd5 11.
Nxd5 (11. exd5 Na5 $11) 11... Nxd5 12. Bxd5 Bf6 {with . ..Ne7 to come.}) 11.
O-O Bxd5 12. Nxd5 Nxd5 13. Bxd5 Ne7 {As said beforehand, Black easily
cotrolled the weak d5 square with her light pieces, so no need to care for
positional problems...} 14. Bb3 O-O {Black is ready for the thematical ...d5,
so White is obliged to act on the kingside.} 15. f4 $1 exf4 16. Bxf4 d5 17. Qe2
({I think that White could hold a small advantage, based on his bishop pair,
by the calm} 17. Bg3 $5 Bb6 18. Kh1 $14 {.}) 17... Bb6 18. Kh1 Rae8 19. exd5 ({
This allows Black to centralise her pieces. Preferable was} 19. Qf3 $1 dxe4 20.
dxe4 $14 {.}) 19... Nxd5 20. Qh5 Nxf4 21. Rxf4 {Opposite coloured bishops
appeared on the board, but White's seems to be more active at the moment, as
the f7 square, in touch with the semi-open f-file, is a target.} g6 22. Qh6 Bd8
$1 {The black bishop returns to the defence, controlling important squares as
h4 and f6, which is a good defending strategy.} 23. Raf1 $6 ({This offers
nothing to White, who had to go for} 23. Rf3 $1 {forcing Black to be
'creative':} Qd4 $1 (23... Kh8 $2 24. Ba4 $1 $18) 24. Raf1 Re7 25. c3 Qe5 26.
a4 $14 {, as it is not easy for Black to get fully equality.}) 23... Kh8 $1 {
A tactical solution, which stops the pressure on f7, allowing Black to get
full equality.} 24. Re4 $6 (24. Bxf7 $2 Rxf7 $1 25. Rxf7 Qxf7 $1 {woulkd
justify Black's idea; mate comes on the white back rank!}) ({But White should
have gone for} 24. g4 f6 25. Re4 $11 {.}) 24... f5 $1 25. Re3 Bf6 {Suddenly it
is the black bishop that has more targets than its counterpart!} 26. Rfe1 Bg7
27. Qh4 Rxe3 28. Rxe3 f4 ({Not bad, but good enough for Black was} 28... b5 $1
29. c3 f4 30. Rf3 Be5 31. Kg1 b4 {when White would face problems with his
queenside pawn structure. But Black, the 'queen of chess', decided to strip
the white king.}) 29. Re4 f3 ({A logical follow-up of Black's previous move.
Nothing is gained by} 29... b5 30. Rxf4 Qe8 31. Rxf8+ Qxf8 32. Qe1 Bxb2 33. Qe2
$11 {.}) 30. gxf3 Rxf3 31. Be6 $6 ({White was obliged to handle this certain
position tactically, before he falls into passivity. He should have found} 31.
Re7 $1 Qd6 32. Qc4 $1 Rf8 33. Rxb7 Bd4 34. Rf7 $1 Qc6+ 35. Qd5 Qxd5+ 36. Bxd5
Rxf7 37. Bxf7 Bxb2 $11 {, a variation which justifies the option of 28...b5!.})
31... Qd6 {Now White is in trouble.} 32. Bg4 $6 ({Another slight inaccuracy.
White should have tried} 32. Kg2 Rf8 33. Qg3 Qb6 $1 (33... Qxg3+ 34. hxg3 Bxb2
$15) 34. b3 Qc6 $15 {.}) 32... Rf8 33. Qe7 ({Not much of a choice. If} 33. b3 {
then} Bd4 34. Bh3 b6 $17 {.}) 33... Qb6 $1 34. b3 Qa5 {Black found a way to
penetrate into White's position and king; her queen is quite active for that
purpose...} 35. Re2 $1 ({White cannot save his a-pawn with} 35. a4 $2 {as after
} Qd2 36. Re2 Qd1+ 37. Kg2 Qf1+ 38. Kg3 Qf4+ 39. Kh3 h5 $1 {is curtains.})
35... Qxa2 36. Qxc5 Qa1+ 37. Qg1 Qc3 (37... Qf6 $5 38. c4 a5 $15 {looks good
as well.}) 38. Bh3 a5 $1 {Threatening ...b5 and ...a4, when a new black queen
will soon appear on the board.} 39. Qe1 $1 Qc5 $1 ({White holds after the naive
} 39... Qxe1+ $2 40. Rxe1 Bc3 41. Re2 b5 42. Bd7 $1 {Black should keep the
queens on board in order to combine attack on the white king and pressure on
the queenside.}) 40. c4 ({A natural move to stop the expansion on the
queenside with ...b5, but White could think of} 40. Bg2 Bc3 (40... b5 $2 41.
Qxa5) 41. Qg1 Qc7 42. Re4 b5 $15 {.}) 40... b5 $1 {Anyway!} 41. cxb5 ({Not
much to do again, as after} 41. Bg2 a4 42. bxa4 bxa4 43. Ra2 Qa7 (43... a3 $6
44. Qc1 $1 Bb2 $2 45. Rxb2 axb2 46. Qxb2+ Kg8 47. Bd5+ $18) 44. Qc1 Bd4 $17 {
the white central pawns are blocked, while the lonely black a-pawn is a strong
passer.}) 41... Qxb5 42. Bg2 $6 ({Good or bad, White had to protect his pawns
with} 42. Qd1 {Then Black could go for} Qh5 $1 43. Bg2 Be5 44. h3 Rf2 $1 45.
Rd2 Qxd1+ 46. Rxd1 Rb2 47. Re1 Bf4 48. Rf1 g5 49. Ra1 Rxb3 50. Be4 (50. Rxa5 $2
Rb1+ $19) 50... Bc7 $17 {.}) 42... Qxb3 {The material gain is not so important
- it is the clear way of the black a-pawn to its queening square.} 43. Re8 Qb2
$1 44. Bd5 ({Or} 44. Rxf8+ Bxf8 45. Bd5 (45. Qxa5 $2 Qc1+) 45... Qf6 {.}) 44...
Qf6 $1 45. Rxf8+ Bxf8 {.} 46. h3 Bd6 {White is lost. Black will combine mating
threats on the white king with her queen and bishop, and at the same time
pushing her a-pawn to queening. White will not be in a position to cope with
all of these nasty facts.} 47. Bg2 Qf4 48. Kg1 a4 49. Qc3+ Be5 50. Qa3 (50.
Qc8+ Kg7 51. Qb7+ Kh6 52. Qf3 Qc1+ 53. Qf1 Bd4+ 54. Kh1 Qxf1+ 55. Bxf1 a3 {
is a typical variation.}) 50... Kg7 ({Also winning, but here Black missed a
mate:} 50... Bd4+ 51. Kh1 g5 $1 {(zugzwang!!)} 52. Qe7 Qc1+ 53. Kh2 Bg1+ 54.
Kh1 (54. Kg3 Qf4# {shows the idea of 51...g5!!}) 54... Be3+ 55. Kh2 Bf4# {.})
51. Qe7+ Kh6 52. Qa3 Bd4+ 53. Kh1 Qf2 ({Again} 53... g5 {leads to mate but
this is not so important any more.}) 54. Qc1+ Be3 55. Qa1 a3 {0-1 (55)
Movsesian,S (2700)-Polgar,J (2699) Khanty-Mansiysk 2011 CBM 145 [Grivas,E]} (
55... a3 {And White resigned due to} 56. Bd5 (56. Bc6 a2 57. Bg2 Qg1+ 58. Qxg1
Bxg1) 56... a2 $1 57. Bxa2 Qf3+ 58. Kh2 Bf4+ 59. Kg1 Qg3+ 60. Kf1 (60. Kh1 Qh2#
) 60... Qxh3+ 61. Kf2 Qe3+ 62. Kf1 Qf3+ 63. Ke1 (63. Kg1 Be3+ 64. Kh2 Qf2+ 65.
Kh1 Qh4+ 66. Kg2 Qg4+ 67. Kf1 Qf3+ 68. Ke1 Qf2+ 69. Kd1 Qd2#) 63... Qh1+ 64.
Ke2 Qxa1 {Opposite coloured bishops themes have no match when an attack is
available!})) (9... a6 10. a4 Nb4 11. Qe2 Qc7 12. O-O O-O 13. f4 exf4 14. Rxf4
Bxc4 15. dxc4 Nc6 16. Nf5 Nd4 17. Qf2 Nxf5 18. Rxf5 Nd7 19. Nd5 Qd8 20. b3 Bf6
21. Nxf6+ Nxf6 22. Qf3 Nd7 23. Bb2 Qe7 24. Rd1 Ne5 25. Bxe5 dxe5 26. Rd5 f6 27.
Qd3 Rfd8 28. Rf1 Rxd5 29. Qxd5+ Kf8 30. Rd1 Rc8 31. a5 Rc7 32. g4 g6 33. Rd3
Kg7 34. Kg2 Rc6 35. Qd7 Rc7 36. Qxe7+ Rxe7 37. h4 Kf7 38. Rd6 Rc7 39. Kf3 Ke7
40. Rb6 Kf7 41. g5 fxg5 42. hxg5 Ke7 43. c3 Kf7 44. Ke3 Ke7 45. b4 {1-0 (45)
Hracek,Z (2629)-Degraeve,J (2542) Koszalin 1999 CBM 073 [Gershon,A]}) (9... Nd4
10. O-O O-O 11. a4 Kh8 12. Bd2 Rb8 13. Kh1 b6 14. Rf2 Nh5 15. g3 g6 16. Ncd5
Ng7 17. c3 Nc6 18. Bb5 Bd7 19. Nc4 f5 20. Bh6 Rf7 21. f4 fxe4 22. dxe4 Bf8 23.
Bg5 Qc8 24. Kg1 exf4 25. Rxf4 Rxf4 26. Bxf4 a6 27. Ndxb6 {1-0 (27) Baklan,V
(2618)-Dzhakaev,D (2425) Batumi 2002 CBM 090 [Rabinovich,Al]}) 10. a3 (10. O-O
Rb8 (10... Nh5 $5 11. Ncd5 Bg5 12. g3 Bxe3+ 13. Bxe3 Ne7 14. Bg5 Bxd5 15. Bxd5
h6 $13 {Vachier Lagrave,M-Kotronias,V Moscow 2011}) (10... Nd7 11. g3 (11. Ned5
Nb6 12. Nxb6 Qxb6 13. Nd5 Bxd5 14. Bxd5 Nb4 15. Bc4 Rad8 16. f4 exf4 17. Rxf4
d5 18. exd5 Nxd5 19. Rf5 Nc7 20. Qf3 Qg6 21. a4 Ne8 22. Be3 b6 23. Bb3 Nd6 24.
Rd5 Qf6 25. Rf1 Qxf3 26. Rxf3 Bf6 27. c3 Nc8 28. g4 Rxd5 29. Bxd5 Rd8 30. Bc4
Nd6 31. Ba2 h6 32. Bf4 g5 33. Bg3 Kg7 34. Kf1 a6 35. Bf2 Rc8 36. Bg3 Rd8 37.
Ke2 b5 38. a5 b4 39. Bxd6 Rxd6 40. Kd2 Rd7 41. Rf5 Rb7 42. Kc2 bxc3 43. bxc3
Rb5 44. Bc4 Rxa5 45. d4 Kg6 46. dxc5 Be7 47. c6 Bd8 48. Bxf7+ Kg7 49. Bd5 Rc5
50. c4 Bf6 51. Kd3 Bb2 52. Rf2 Ba1 53. Ke4 Kg6 54. Ra2 {1-0 (54) Kasparov,G
(2838)-Babula,V (2566) Prague 2001 CBM 086 [Gershon,A]}) 11... Nb6 12. f4 Nxc4
13. dxc4 exf4 14. gxf4 f5 15. exf5 Bc8 16. Ncd5 Nd4 17. b3 Nxf5 18. Bb2 Nxe3
19. Nxe3 Bf6 20. Qd5+ Kh8 21. Bxf6 Rxf6 22. f5 Rb8 23. Rf4 b6 24. Raf1 Bb7 25.
Qd3 Rf7 {1/2-1/2 (25) Svidler,P (2695)-Lautier,J (2675) Biel 2001 CBM 085
[Gershon,A]}) (10... Ne8 11. g3 Nc7 12. a3 a6 13. Ncd5 b5 14. Ba2 Rb8 15. c3
Re8 16. f4 exf4 17. gxf4 Bf8 18. Nxc7 Qxc7 19. b4 a5 20. f5 Bxa2 21. Rxa2 axb4
22. axb4 Kh8 23. Nd5 Qd8 24. Rg2 Ra8 25. Qh5 Ne5 26. d4 cxd4 27. cxd4 Nd7 28.
Qxf7 Rxe4 29. Bh6 {1-0 (29) Hector,J (2505)-Schandorff,L (2514) Gentofte 1999
CBM 073 [Gershon,A]}) (10... a6 11. a3 Nd7 12. Ncd5 Bg5 13. g3 Bxe3+ 14. Bxe3
Kh8 15. c3 Ne7 16. Nxe7 Qxe7 17. Bxe6 Qxe6 18. d4 exd4 19. cxd4 f5 20. dxc5
dxc5 21. Qd5 Qxd5 22. exd5 Rae8 23. Rfe1 Ne5 24. Bxc5 Nxf3+ 25. Kh1 Nxe1 26.
Bxf8 Nd3 27. Bb4 Rd8 28. Bc3 Rxd5 29. Kg2 Kg8 30. b4 Kf7 31. Rf1 g5 32. Rf3 h5
33. h3 f4 34. Rf1 Kg6 35. Kf3 fxg3 36. Kxg3 Nf4 37. Rf3 h4+ 38. Kf2 Rd1 39. Re3
Rd3 40. Rxd3 Nxd3+ 41. Kg2 Nf4+ 42. Kh2 b5 {0-1 (42) Sedlak,N (2423)
-Shariyazdanov,A (2582) Subotica 2000 CBM 081 [Gershon,A]}) 11. a3 (11. a4 Nb4
12. Ncd5 (12. Bd2 d5 13. exd5 Nfxd5 14. Nexd5 Nxd5 15. Qe1 Bf6 16. Qe4 Nc7 17.
Nb5 Bxc4 18. Qxc4 a6 19. Nxc7 Qxc7 20. a5 Rbd8 21. Bc3 Be7 22. Rfe1 Bd6 23. Re2
e4 24. Rxe4 Bxh2+ 25. Kf1 Rfe8 26. Rae1 Rxe4 27. Qxe4 Bd6 28. Qg4 Bf8 29. Bf6
Ra8 30. Bc3 Rd8 31. Bf6 Ra8 32. Bc3 {1/2-1/2 (32) Movsesian,S (2645)-Moiseenko,
A (2664) Sant Lluis 2005 CBM 109 [Roiz,M]}) 12... Nbxd5 13. exd5 Bd7 14. f4 e4
15. d4 Qc8 16. Be2 Bd8 17. dxc5 Qxc5 18. Kh1 b5 19. b4 Qc8 20. a5 Rb7 21. Bb2
Rc7 22. Rc1 Ne8 23. g4 Bf6 24. Bd4 Rc3 25. Bxa7 Nc7 26. g5 Qa8 27. Bd4 Rxe3 28.
gxf6 Nxd5 29. Bg4 Bxg4 30. Qxg4 g6 31. f5 Ra3 32. Qh4 e3 33. Kg1 h5 34. fxg6
fxg6 35. f7+ Rxf7 36. Qe4 Rg7 37. Bxg7 Kxg7 38. Rfd1 Nc7 39. Qxa8 {1-0 (39)
Naiditsch,A (2571)-Mamedyarov,S (2657) Antalya 2004 CBM 101 [Postny,E]}) 11...
Nd4 (11... Nd7 12. Ncd5 Bg5 13. c3 b5 14. Ba2 Nb6 15. Nxb6 Rxb6 16. b4 a5 $13 {
Emms, J-Grivas,E Kopavogur 1994}) 12. Ba2 b5 13. Ncd5 Nxd5 14. Bxd5 (14. Nxd5
Bg5 15. Bxg5 Qxg5 16. c3 Nc6 17. b4 Qd8 18. f4 Ne7 19. Nxe7+ Qxe7 20. f5 Bxa2
21. Rxa2 f6 22. a4 d5 23. Qb3 c4 24. Qc2 d4 25. axb5 cxd3 26. Qxd3 dxc3 27.
Qxc3 Rxb5 28. Qc4+ Qf7 29. Qxb5 Qxa2 30. Rd1 Qb3 31. Qd5+ Qxd5 32. Rxd5 Rb8 33.
b5 h5 34. Kf2 Kh7 35. h4 Rb6 36. Kf3 {1/2-1/2 (36) Emms,J (2527)-San Segundo
Carrillo,P (2500) Mondariz 2000 CBM 079 [Finkel,A]}) 14... Bg5 15. Bxe6 Nxe6
$13 {Adams,M-Leko,P Miskolc 2005.}) 10... Nh5 11. Ncd5 Bg5 12. O-O Ne7 13. a4
Nxd5 14. Nxd5 Bxd5 15. Bxd5 Bxc1 16. Rxc1 Nf4 17. Bb3 a6 18. g3 Nh5 19. f4 Nf6
20. f5 h6 21. Qe2 Rc8 22. h4 b5 23. c4 Rb8 24. axb5 axb5 25. g4 bxc4 26. Bxc4
d5 27. exd5 Nxd5 28. Qxe5 Nb6 29. g5 Nxc4 30. Rxc4 hxg5 31. f6 Qxd3 32. Rg4 g6
33. Qxg5 Rb4 34. Rxb4 cxb4 35. Qh6 Qg3+ 1/2-1/2
