[Event "Deutschland Grand Prix 2021"]
[Site "Dortmund"]
[Date "2021.07.16"]
[Round "4.3"]
[White "Eljanov, Pavel"]
[Black "Bartel, Mateusz"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2671"]
[BlackElo "2626"]
[Annotator "Lukacs,P"]
[PlyCount "65"]
[EventDate "2021.07.12"]
[EventType "tourn"]
[EventCountry "GER"]
[Tiebreak "Number of black games+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
{[%evp 11,65,14,22,16,29,22,21,19,16,1,8,6,22,22,28,15,14,11,5,0,8,14,39,31,42,
39,43,36,23,37,81,59,89,76,85,95,102,86,124,112,134,129,128,134,245,235,235,
237,239,224,541,541,531,523,470,497]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5
5. c3 d6 6. O-O a6 {[%csl Rb2,Gb7,Gc2,Rc3,Gd3,Rd4,Rd7,Re3,Ge4,Rf2,Gf3,Rf7,Gg2,
Gg7][%CAl Ge4d5,Gc6b7,Gc6b5,Gd5c4,Rd5e6,Re6d7,Re6f7,Rf5e6,Ge4f5,Gd4e5,Gf6g7,
Gf6g5,Ge5f4,Gf3g5,Gc1g5] [#]} 7. Re1 {7.a4 is a critical line. C54: Giuoco
Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} Ba7 (7... O-O 8. h3 Ba7 9. Bb3
Be6 10. Nbd2 Bxb3 11. Qxb3 Nh5 12. Nf1 Qd7 13. Be3 Rab8 14. d4 Rfe8 15. Qd1 Qe7
16. d5 Bxe3 17. Nxe3 Na7 18. Nf5 Qf6 19. Nxe5 Rxe5 20. Qxh5 Rbe8 21. Qg4 c6 22.
dxc6 bxc6 23. Ng3 Rb8 24. Rad1 Rxb2 25. f4 Re6 26. f5 Re8 27. e5 Qe7 28. Nh5 {
1-0 (28) Milliet,S (2354)-Monpeurt,C (2136) Agen 2016}) 8. a4 (8. Bb3 O-O (8...
h6 9. Nbd2 O-O 10. h3 Ne7 (10... Re8 11. Nf1 Be6 12. Bc2 d5 13. Qe2 dxe4 14.
dxe4 Qe7 15. Ng3 Rad8 16. Nh4 Qf8 17. Nhf5 Ne7 18. Ne3 Ng6 19. Ngf5 Nf4 20. Qf3
c6 21. Ng4 Nxg4 22. hxg4 g6 23. Bxf4 exf4 24. Qxf4 gxf5 25. gxf5 Qg7 26. fxe6
Rxe6 27. Rad1 Rde8 28. Re2 Qg5 29. Qf3 Rf6 30. Qh3 Qf4 31. Rf1 Re5 32. Qh2 Qg5
33. g3 Qg4 34. Rd2 Rg5 35. e5 Rxe5 36. Bd1 Qg5 37. Rd3 Ref5 38. Qh4 {1/2-1/2
(38) Giri,A (2752)-Carlsen,M (2834) Wijk aan Zee 2018}) 11. Nf1 Ng6 12. d4 c6
13. Ng3 Re8 14. Be3 exd4 15. Bxd4 Be6 16. Bxa7 Rxa7 17. Qd4 c5 18. Qd2 b5 19.
Bxe6 Rxe6 20. e5 Ne8 21. exd6 Qxd6 22. Rxe6 fxe6 23. Qc2 Ne5 24. Nxe5 Qxe5 25.
Rd1 Nf6 26. Rd8+ Kf7 27. Qd2 Qc7 28. Ne2 Qe7 29. Nf4 Rd7 30. Rxd7 Qxd7 31. Qe3
Qd1+ 32. Kh2 Qd6 33. g3 Nd5 34. Nxd5 exd5 35. Qf3+ Ke7 36. Kg1 d4 37. cxd4 cxd4
38. Qd3 Qd5 39. b3 a5 40. h4 h5 41. Kf1 a4 42. Ke2 axb3 43. axb3 Qe5+ 44. Kd2
Qc5 45. Qc2 Qb4+ 46. Kd3 Kd6 47. Ke4 Qc5 48. Qd1 Qd5+ 49. Kd3 Qf5+ 50. Ke2 Qe4+
51. Kd2 Kc5 52. Qxh5+ Kb4 53. Qg5 d3 54. Qf4 Qxf4+ 55. gxf4 Kxb3 56. f5 b4 57.
h5 Kc4 58. h6 gxh6 59. f6 b3 60. f7 b2 61. f8=Q b1=Q 62. Qf7+ Kd4 63. Qf6+ Kd5
64. Qf5+ Kd6 65. Qg6+ Ke5 66. Qg3+ Kf5 67. Qf3+ Ke5 68. Qe3+ Kf5 69. Qf3+ Ke5
70. Qh5+ Ke4 71. Qg6+ Ke5 72. Qg7+ Ke4 73. Qg2+ Ke5 74. Qg7+ Ke4 75. Qe7+ Kf5
76. Qd7+ Kg6 77. Qg4+ Kf6 78. Qd4+ Kg6 79. Qg4+ Kf6 80. Qf4+ Kg6 81. Qg4+ {
1/2-1/2 (81) Sarana,A (2640)-Vignesh,N (2428) Chess.com INT 2021}) 9. Nbd2 Ng4
{If White wants to spare to the preventive h3 move he has to reckon with the
complications of the following line.} (9... Be6 10. Nf1 Bxb3 11. Qxb3 Qc8 12.
Ng3 Re8 13. h3 Rb8 14. Be3 Qe6 15. Qxe6 fxe6 16. Rac1 Bxe3 17. Rxe3 Rbd8 18. d4
Rd7 19. Kf1 Kf8 20. Rd1 h6 21. dxe5 Nxe5 22. Nxe5 dxe5 23. Rxd7 Nxd7 24. Ke2
Ke7 25. Nf1 b5 26. Nd2 c5 27. Rg3 Rg8 28. b3 Nb8 29. a4 Nc6 30. axb5 axb5 31.
h4 Kf7 32. Rf3+ {1/2-1/2 (32) Karpov,A (2690)-Kortschnoj,V (2650) Merano 1981
MainBase [Keene,R]}) 10. Re2 Kh8 {/\ f5} 11. h3 Nh6 (11... f5 12. exf5 Nh6 13.
g4 Nxf5 14. gxf5 Bxf5 15. Ne4 Bxh3 16. Nfg5 Bg4 17. Be6 Bh5 18. Qf1 h6 19. Re3
Bxe3 20. Bxe3 Qe7 21. Qh3 Nd8 22. Bb3 g6 23. Ne6 Rf3 24. Ng3 Nf7 25. d4 c6 26.
dxe5 Nxe5 27. Bxh6 Rf7 28. Nxh5 gxh5 29. Qxh5 Qh4 30. Bg7+ Kg8 31. Qxh4 Nf3+
32. Kf1 Nxh4 33. Ng5 Kxg7 34. Nxf7 {1-0 (34) Ragger,M (2682)-Wagner,D (2578)
Brest 2019}) 12. g4 $6 {White directly prevents f5, but seriously weakens his
own >>.} (12. Nc4 {Here the N is far from the >>, which will be the main
battlefield soon.} f5 13. Bg5 (13. Bxh6 gxh6 14. exf5 Bxf5 15. Rd2 Qf6 16. Nh2
Ne7 17. Ne3 Bd7 18. Qh5 Qg5 19. Qxg5 hxg5 20. Nd5 Nxd5 21. Bxd5 c6 $15 {
Van Mechelen-Winants, BEL-ch 2001}) 13... Qe8 14. Bxh6 gxh6 15. exf5 Bxf5 16.
Nh4 Bd7 17. Rd2 Qe7 18. Qh5 Rf4 19. Nf3 Qf6 $15 {Hund-C.Flear, Thessaloniki
olw 1988}) (12. Nf1 {is the main line.} f5 13. d4 (13. exf5 {helps only Black
to finish his development.} Nxf5 14. Bg5 Qd7 15. Qd2 h6 16. Nh4 Nxh4 17. Bxh4
g5 18. Bg3 {The B is rather passive here.} Qg7 19. Rae1 Bd7 20. Kh1 Rae8 21.
Bd5 b5 22. Nh2 Ne7 $13 {Hickl-Bischoff, Bern zt 1990}) (13. Bg5 Qe8 14. d4 {
The opening of position helps for Black.} fxe4 15. Rxe4 Bf5 16. Rh4 Nf7 17. Be3
Qe7 18. Ng3 Bg6 19. Bc2 Bxc2 20. Qxc2 g6 21. Ne4 exd4 22. Bg5 Nxg5 23. Nexg5 d3
$132 {Small-Hawelko, Dubai ol 1986}) (13. N1h2 {looks rather defensive.} Qf6
14. Be3 Bxe3 (14... fxe4 15. dxe4 Bxe3 16. Rxe3 Ne7 17. Qf1 Ng6 18. g3 Bd7 19.
Rd1 Nf7 20. Rd2 Rae8 21. Bd5 Bc8 $13 {Luetke-Gyimesi, Groningen op 1995}) 15.
Rxe3 f4 16. Re1 g5 17. d4 g4 {1/2:1/2 Lyrberg-Z.Almasi, Wch U16 Mamaia 1991}) (
13. Bxh6 gxh6 {Black is happy to get rid of his passive N for the ^^.} 14. exf5
(14. N1h2 Qf6 15. Qd2 f4 {Now Black has threats against >< g2 and h3.} 16. Rd1
Qg6 17. Kh1 Qh5 18. d4 $13 {Modhiaki-Toh, Singapore 1990}) (14. Ng3 fxe4 (14...
f4 15. Nf5 Qf6 16. Qd2 Ne7 {Black desperately needs his light-squared B.} 17.
Nxe7 Qxe7 18. d4 Qg7 $13 {Gelashvili-Makropoulo, 2001}) 15. Rxe4 (15. Nxe4 Bxh3
) 15... Qf6 $13) 14... Bxf5 15. Bd5 {is the main line.} (15. N1h2 $6 Qf6 16.
Qd2 h5 {-/+ Adams} (16... Rae8 $6 {This allows White to exchange the vital
light-squared B.} 17. Ng4 $1 (17. Kh1 Re7 18. a3 {White's play is very passive.
} (18. Bd5 $5) (18. Ng4 Bxg4 19. hxg4 Qf4 20. Qxf4 Rxf4 21. Rae1 $15) 18... Rg7
19. Rg1 h5 20. Ba2 (20. Bd5 Bd7 21. b4 Nd8 $17) 20... Bd7 21. b4 Ne7 22. d4
exd4 23. Nxd4 (23. cxd4 $6 Ng6 24. Re4 Nf4 $17 {Spraggett-Adams, France 2001})
23... Nf5 24. Nhf3 Nxd4 25. Nxd4 c6 26. a4 d5 $17) 17... Bxg4 18. hxg4 Re7 19.
Rae1 Rg7 20. Re4 $13 {Adams}) 17. Rd1 {/\ d4 with a counterblow in the [+].}
Ne7 {/\ Ng6} 18. d4 Ng6 19. dxe5 dxe5 20. Qh6 Rae8 21. g3 h4 22. Ng5 Re7 $13 {
Kovelavskay-Stefanova, Varna 2002}) (15. Kh2 {Overprotecting >< h3, but in
vain, as we will see...} Ne7 16. Ng3 Bd7 17. d4 Ng6 18. dxe5 Bxh3 $1 19. Re4 $1
(19. Kxh3 $2 Rxf3 $1 $19) 19... Bd7 20. e6 Bc6 21. Bd5 Bxf2 22. Bxc6 bxc6 23.
Qd2 d5 24. Rg4 Bxg3+ 25. Rxg3 Qf6 26. Qxh6 Nf4 27. Qxf6+ Rxf6 28. Re1 Nxe6 29.
Nd4 $11 {Lanc-Smagin, Trnava 1987}) 15... Ne7 {Black sacrifices the b P
without hesitation.} (15... Qd7 16. Kh2 (16. Ng3 Bg6 17. d4 exd4 18. Bxc6 bxc6
19. Nxd4 Rae8 {Black's P structure looks awful, but his ^^ is excellent.} 20.
Rxe8 Qxe8 21. Qd2 h5 22. Re1 Qf7 23. b3 Bb6 $13 {Polakovic-Sykora, corr 1988})
16... Ne7 17. Bxb7 Rab8 18. Be4 Ng6 {Black has sacrificed a P for some tempi
for his >> ->.} 19. Rd2 Nf4 {The N on f4 is extremely dangerous in this line.}
20. Bxf5 Rxf5 21. Ng3 Rg8 $1 22. Ng1 (22. Nxf5 Rxg2+ 23. Kh1 Qxf5 24. Ng1 e4 $3
25. d4 Qg5 26. Qf1 Qh4 $3 $19 {/\ Nh3}) 22... Rfg5 23. d4 e4 $17 {A.
Ivanov-Glek, Borzhomi 1984}) (15... Qf6 16. Ng3 (16. Ne3 Bd7 17. Nh2 Qg7 18.
Kh1 Rae8 19. Qd2 Nd8 20. Rg1 c6 $13 {Polzin-Blasovszky, Budapest op 1993})
16... Bd7 17. d4 (17. Be4 Rg8 18. Kh2 $2 Bxf2 19. Nh5 Qf7 20. Rxf2 Qxh5 21. d4
exd4 22. cxd4 d5 23. Bc2 Raf8 24. Qd2 Bxh3 25. gxh3 Rxf3 26. Rxf3 Qxf3 {
0-1 Jakubiec,A-Skalik,P/POL-ch 1993}) 17... exd4 18. Bxc6 bxc6 19. Nxd4 Rae8 $1
$11 {Chomet-Chabanon, FRA-ch Meribel 1998 CBM 67}) 16. Be4 {is the safe option.
} (16. Bxb7 Rb8 17. Be4 Ng6 $1 {is the logical follow-up of the plan.} (17...
Bxe4 18. Rxe4 $1 Rxb2 19. d4 Qa8 $1 (19... Ng6 $2 20. Qc1 $1 $16) 20. Rg4 e4
21. Qc1 $1 (21. N3d2 $6 d5 22. Qa4 Ng6 $1 23. Rb1 (23. Qxa6 Bxd4 24. Qxa8 Bxf2+
$17) 23... Rxb1 24. Nxb1 Qb7 25. Qb3 Qxb3 26. axb3 c5 $17 {and the B finally
comes out of passivity, Gipslis-Podgaets, SU 1985.}) 21... Rb6 (21... Rb5 22.
a4 $1 $16) 22. Qxh6 $1 Nf5 23. Qg5 exf3 24. Ng3 Qd8 25. Qxd8 Rxd8 26. Nxf5 Rf8
$13 {Podgaets Podgaets}) 18. Ng3 (18. Bxf5 Rxf5 19. Ng3 Rxf3 $1 {The typical
blow again and again!} 20. gxf3 Nf4 (20... Qh4 21. Kh2 Nf4 {- 20..Nf4}) 21. Kh2
Qh4 {- 20..Nf4} 22. Qf1 Rg8 {Black's direct -> is very dangerous.} 23. d4 exd4
24. Re4 d3 (24... d5 25. Rxd4 Bxd4 26. cxd4 Qf6 27. Rd1 h5 28. Qe1 h4 $17 {
Ma Hong Ding-Shu Yimin, PRC-ch 1987}) 25. Nf5 Qg5 26. Nd4 d5 27. Re3 Bc5 $17 {
Burchardt-Botsari, Novi Sad olw 1990}) 18... Bxe4 19. dxe4 Rxf3 $1 {Have we
seen this before?!} 20. gxf3 Nf4 21. Kh2 Qh4 22. Qf1 Rg8 23. Nf5 (23. Rd2 Bxf2
24. Nf5 Bg1+ 25. Kh1 Qh5 26. h4 Bb6 $17 {Podgaets}) 23... Qh5 24. Re3 Qg5 $44 {
Belkhodja-Perovic, Paris 1988}) 16... Ng6 17. Bxf5 (17. Ng3 Bxe4 (17... Bxh3
18. gxh3 d5 19. Bf5 $1 $13) 18. Rxe4 (18. dxe4 Rxf3 $1 19. gxf3 Nf4 20. Re1 Qh4
$19) 18... d5 (18... Qd7 19. d4 Qf7 20. Kh2 Rae8 21. Qd2 d5 22. Nxe5 Nxe5 23.
Rxe5 Rxe5 24. dxe5 Bxf2 $15 {Battseseg-Garcia, Moscow ol 1994}) 19. Rg4 Nf4 $1
{/\ h5} 20. Nxe5 (20. Ne2 Nxh3+) 20... Bxf2+ $1 21. Kxf2 Nxd3+ 22. Kg1 Nxe5 23.
Qd4 Qd6 24. Re1 Rae8 25. b4 Qb6 $17 {Dreev-Yakovich, SU 1987}) (17. d4 Nf4 18.
Re1 Bxh3 $1 19. gxh3 Qd7 $1 $17) 17... Rxf5 18. Re4 (18. Ng3 $2 {again falls
into} Rxf3 $1 19. gxf3 Nf4 $17 {/\ Qh4}) 18... Nf4 19. Ng3 Qg8 $1 {/\ Raf8
with a nasty pressure on the semi-opened f and g lines.} 20. d4 Raf8 21. Kh2
R5f6 22. Ne1 Ng6 23. f3 d5 (23... exd4 24. cxd4 d5 25. Rg4 {- 23...d5}) 24. Rg4
(24. dxe5 Rb6 25. Rg4 Qe6 $17 {/\ Ne5}) 24... exd4 25. cxd4 {- 23...d5} Rf4 $1
26. Nc2 (26. Nh5 Rxg4 27. hxg4 Nf4) 26... c6 27. Ne2 Rxg4 28. hxg4 h5 29. Ne3 (
29. gxh5 Nh4 30. Qf1 Qg5 $19) 29... Bb8+ 30. Kh1 Nh4 $1 31. Qd2 Qg5 32. Nf1
Qxd2 33. Nxd2 hxg4 $17 {Torre-Wedberg, New York op 1988}) 13... fxe4 (13... Qf6
14. dxe5 dxe5 (14... Nxe5 {In most of the cases it is advisable for Black to
exchange the c6N.} 15. Nxe5 dxe5 $13 (15... Qxe5 $6 16. exf5 Qxf5 17. Be3 {
neutralizing the pressure against >< f2.} Bxe3 18. Nxe3 Qg5 19. Qd5 Qf6 20. Rd1
Ng8 21. Bc2 g6 (21... Ne7 22. Qc4 c6 23. Qd3 $16) 22. Qc4 c6 23. Qb4 d5 24. c4
$16 {Ehlvest-Salov, Rotterdam 1989 47/394})) 15. Be3 f4 16. Bxa7 Rxa7 17. Rd2
Na5 18. N1h2 Ra8 19. Rd5 Nxb3 20. axb3 Re8 21. c4 b6 22. Qc2 Bb7 $13 {
Reefat-Aleksandrov, Istanbul ol 2000}) 14. Rxe4 Bf5 (14... d5 15. Bg5 (15. Re1
exd4 (15... e4 16. Ng5 (16. Bg5 Qd6 $15) (16. N3h2 Nf5 $13) 16... Na5 $13) 16.
Bxh6 gxh6 17. cxd4 Bf5 {despite of his corrupted P structure Black has good
tactical chances on the semi-opened f and g lines and his ^^ is also active.}
18. Ng3 Bg6 (18... Qd6 19. Nxf5 Rxf5) 19. Qd2 Qd6 20. Rad1 Rxf3 $1 {This
positional exchange sacrifice destroys White's >> and the [+].} 21. gxf3 Nxd4
22. Qc3 c5 23. Ne2 Qf6 $13) 15... dxe4 $3 {This brave positional Q sacrifice
is Black's main idea.} 16. Bxd8 Rxd8 17. Ng5 exd4 18. cxd4 Rxd4 19. Qe2 Bf5 20.
Ng3 Bg6 21. N5xe4 (21. Kh1 Re8 22. Rf1 {1/2:1/2 Psakhis-Hector, Palma de
Mallorca 1989}) 21... Re8 22. Re1 Rdxe4 23. Nxe4 Rxe4 24. Qxe4 Bxe4 25. Rxe4 g6
26. Bd5 $1 Bb6 27. g4 $1 Kg7 28. Re8 $1 Nf7 29. Kg2 {(Gipslis-Hector, GER 1998)
} Nd6 30. Rg8+ Kf6 31. f4 h6 $1 $13 {Gipslis}) (14... Qf6 15. Ng3 Nf5 16. Nh5
Qg6 17. Nh4 Nxh4 18. Rxh4 exd4 19. Nf4 Qe8 20. Qh5 Bf5 21. Bd2 Qxh5 22. Nxh5 d3
$17 {Nielsen-Brinck Claussen, Lyngby op 1989}) 15. Rh4 (15. Re1 exd4 $1 {
It is advisable for Black to open the position for his active pieces.} (15...
e4 16. Ng5 (16. Bg5 Qd7 17. Nh4 d5 18. Bxh6 gxh6 19. Qh5 Ne7 20. Qxh6 Ng6 21.
Ne3 Nxh4 22. Qxh4 c6 23. Bd1 Qg7 24. Bg4 Bg6 $44 {Frois-Shomoev, Capella
Grande 2003}) 16... d5 17. f3 exf3 18. Nxf3 $14 {and the B on a7 is out of
play.}) 16. cxd4 Qf6 {>< d4} 17. Bg5 Qg6 18. Qd2 Nf7 19. Bf4 Bxh3 20. Ng3 Bg4
21. Bc2 Qf6 22. Ne4 Qd8 23. Bg5 Qc8 $17 {Song Daoxin-Lin Ta, PRC-tch 1987})
15... d5 (15... e4 $5 16. Bg5 $1 (16. Ng5 $6 d5 {/\ Ne7}) 16... Qe8 17. N3d2
Qg6 18. Bxh6 gxh6 19. Ne3 {and White has created a successful blockade on e3.}
Ne7 20. Qh5 (20. Nxf5) 20... Qxh5 21. Rxh5 Bg6 22. Rh4 (22. Rxh6 $6 {is too
greedy!} c5 23. dxc5 (23. d5 c4 24. Ndxc4 Nf5 25. Nxf5 Rxf5 26. Ne3 Rf4 $17)
23... Bxc5 24. Rh4 d5 $44) 22... c5 {Black has to open up the position at any
rate.} 23. Nxe4 $142 (23. dxc5 {helps only for Black in view of} d5 $1 {/\ Bc5}
) (23. d5 $6 {is met by the positional P sacrifice} c4 $1 {in order to open up
the dangerous g1-a7 /^.} 24. Bxc4 (24. Ndxc4 Nxd5 25. Rd1 Nxe3 26. Nxe3 Rf6 {
/\ Raf8=/+}) 24... Nf5 25. Nxf5 Bxf5 26. Nxe4 (26. Nf1 Bg6 27. Ne3 Bb6 $1 28.
Rxh6 Rf4 29. Rf1 $2 Raf8 30. Rxg6 hxg6 $17 {Minasian-Peng Xiaomin, Luzern 1993}
) 26... Bxe4 27. Rxe4 Rxf2 28. Kh1 Rg8 $11 {^-}) 23... cxd4 24. cxd4 Bxd4 25.
Nxd6 Bxb2 26. Rd1 b5 $14) 16. Ng3 (16. Bxh6 gxh6 17. Rxh6 Be4 $44 {and Black
has a fine compensation for the P because of his strong ^^ and the semi-opened
f and g lines.}) 16... e4 17. Ng5 (17. Bg5 $6 Qd6 18. Nd2 Bg6 {/\ Nd8-e6})
17... Ne7 $13 {Grabarska-Wiliczkiewicz, Lubniewice POL-chT 1994}) 12... Ng8 (
12... f6 {/\ Nf7 is a slow, positional way.} 13. Nf1 Nf7 14. Kg2 Ng5 15. Nh4
Ne6 {>< f4 is the main drawback of the White's setup.} 16. Be3 g6 $15 {and the
N is out of play, Skripchenko-Pinter, FRA 1999}) (12... Nxg4 $5 {is always an
exciting question.} 13. hxg4 Bxg4 {Black has two pawns and good attacking
chances for the piece.} 14. Nh2 {looks more to the point.} (14. Qf1 f5 15. Qg2
Qd7 16. Bd1 (16. Re1 Rf6 17. Ng5 Raf8 18. exf5 Qxf5 19. Nde4 Rg6 20. Qh2 (20.
d4 Bf3 21. Ng3 Rxg5 $19 {Larrea-Izquierdo, Montevideo 2001}) 20... h6 21. Qh4
Bf3 $44) 16... Rf6 17. Re1 (17. exf5 Qxf5 18. Re4 Bh3 $17 {Popek-Dubiel,
Suwalki 1999}) 17... Raf8 $44) 14... Qh4 {The exchange is not important, Black
continues his ->.} 15. Nxg4 Qxg4+ 16. Kf1 f5 17. exf5 $1 (17. Nc4 fxe4 18. Ne3
(18. dxe4 Qh4 $44) 18... Qh4 {(Shipunov-Rodin, Voronezh 1999)} 19. Kg1 Rf6 $17)
17... Rxf5 18. Ne4 Ne7 $1 (18... Raf8 19. Ke1 Ne7 $5 (19... Qh4 20. Kd2 $16) (
19... Bxf2+ $2 20. Kd2 {and the white K escapes on the <<.} Rf3 21. Kc2 Qg6 22.
Nxf2 Rxf2 23. Be3 $18 {Izmukhambetov-Aronian, Moscow 1996}) 20. Be3 Bxe3 21.
Rxe3 Qh4 22. Qe2 d5 23. Ng3 Rxf2 24. Qxf2 Rxf2 25. Kxf2 $14) 19. Be6 Qh3+ 20.
Ke1 Qh1+ 21. Kd2 Qh6+ 22. Ng5 Rxg5 23. Kc2 Rf8 24. Bxg5 Qxg5 $44) 13. Nf1 Be6 (
13... Nge7 $5 {/\ Ng6 >< f4}) 14. Ng3 Qd7 15. Bc2 f6 (15... h5 $5 {looked more
aggressive!} 16. Nf5 (16. Nxh5 Bxg4 $17) 16... g6 $15) 16. d4 exd4 17. Nxd4 (
17. cxd4 d5 $15 {with a nasty pressure on >< d4.}) 17... Nxd4 18. cxd4 d5 19.
Qd3 (19. Be3 Ne7 $15) 19... g6 {This is a useful prophylaxys.} (19... Ne7 20.
e5 $1 (20. exd5 Bg8 21. Bd2 Nxd5 $15) 20... f5 21. Bg5 $36) 20. Be3 Rae8 21. f3
{White wants to hold his [+] and weakened >>, he is not strong enough for an
advance.} Ne7 22. Kg2 (22. a3 {seems to be the better prophylaxys.}) 22... Nc6
23. Rd1 Nb4 {Now Black gets the vital ^^.} (23... dxe4 24. fxe4 Nb4 25. Qd2
Nxc2 26. Qxc2 $13) 24. Qc3 Nxc2 25. Rxc2 c6 $15 (25... Bb6 $5 $15) 26. e5 $2 {
This is a miscalculation, underestimating the strength of the pin.} fxe5 27.
dxe5 d4 28. Bxd4 $2 (28. Rxd4 $1 {was the only possibility.} Bxd4 29. Bxd4 Qd5
(29... Kg8 30. Ne4 $44) (29... Rd8 30. Bb6 $44) 30. Ne4 $15) 28... c5 $1 29.
Bxc5 Qxd1 30. Bxa7 Rxf3 $1 $19 {This is the decisive blow!} 31. Qd2 Rd3 32.
Qxd1 Rxd1 33. Ne2 Bd5+ 34. Kg3 Rd3+ 35. Kh2 Bc6 36. Rc3 Rd2 {0-1 (36) Crosa
Coll,M (2412)-Sorin,A (2519) Buenos Aires 2003 CBM 097 [Lukacs,P]}) 8... O-O (
8... h6 9. Be3 (9. Nbd2 O-O 10. h3 Be6 11. Bxe6 fxe6 12. Nf1 Nh5 13. Be3 Bxe3
14. Rxe3 Nf4 15. Kh2 Qf6 16. g3 Ng6 17. Kg2 Rf7 18. N1h2 Raf8 19. Qb3 Nd8 20.
a5 c5 21. h4 Re8 22. h5 Nf8 23. Ng4 Qe7 24. Ng1 Qg5 25. Qd1 Nh7 26. Nh3 Qxh5
27. f4 Nc6 28. Qe2 Qg6 29. fxe5 dxe5 30. Nh2 Ref8 31. Rf3 Nf6 32. Qe3 Nh5 33.
Rxf7 Rxf7 34. Rf1 Nxa5 35. Rxf7 Kxf7 36. Qf2+ Kg8 37. Nf3 Nc6 38. Nd2 Qg4 39.
Qf3 Qxf3+ 40. Kxf3 Nf6 41. Nf2 Kf7 42. Nd1 Ke7 43. Ne3 Nd7 44. Kg4 g6 45. Kh4
Nf6 46. g4 g5+ 47. Kg3 Ne8 48. Nb3 b6 49. Nc4 b5 50. Ne3 Kd6 51. Kf3 Nc7 52.
Ke2 Na8 53. Nd2 Nb6 54. Kd1 Ne7 55. b4 cxb4 56. cxb4 Nc6 57. Kc2 Nxb4+ 58. Kc3
Nc6 59. Nb3 a5 {0-1 (59) Santos Ruiz,M (2594)-Grigoryan,K (2647) Dos Hermanas
2021}) 9... Bxe3 10. Rxe3 O-O 11. Nbd2 Re8 12. d4 exd4 13. cxd4 Bg4 14. Qb3 Qd7
15. Bd3 d5 16. e5 Nh5 17. g3 f5 18. Ree1 a5 19. Rac1 Nb4 20. Bf1 f4 21. e6 Bxe6
22. Ne5 Qd6 23. Qf3 Nf6 24. Qxf4 c6 25. f3 Nd7 26. Nb3 Rf8 27. Qe3 Bf5 28. Qd2
Na2 29. Ra1 Nb4 30. Nxd7 Bxd7 31. Qc3 b6 32. Re5 Rae8 33. Rae1 Qg6 34. Nd2 Qc2
35. f4 Rxe5 36. dxe5 Be6 37. Qxc2 Nxc2 38. Rc1 Nb4 39. Nf3 c5 40. h4 Kf7 41. h5
Bg4 42. Nh4 Bxh5 43. Nf5 Bg4 44. Ne3 Bd7 45. Bg2 d4 46. Nc4 Bxa4 47. Nxb6 Bc2
48. Nc4 d3 49. Nd2 a4 50. Kf2 c4 51. Ke3 Rc8 52. Ne4 Kf8 53. Nc3 Rb8 54. Rf1
Na6 55. f5 Rxb2 56. f6 Nc7 57. Bh3 d2 58. Bg4 a3 59. e6 gxf6 60. Rxf6+ Kg8 61.
e7 a2 62. Ra6 d1=Q 63. Nxd1 Bxd1 64. Ra8+ Kg7 65. Bxd1 Rb1 66. Rxa2 Rxd1 67.
Ra7 Ne8 68. Ra4 Rd3+ 69. Kf4 c3 {0-1 (69) Kramnik,V (2811)-Mamedyarov,S (2772)
Shamkir 2017 CBM 178 [Marin,M]}) (8... Be6 9. Bxe6 fxe6 10. Qb3 Qc8 11. Be3
Bxe3 12. Rxe3 O-O 13. Nbd2 Na5 14. Qa2 c5 15. d4 c4 16. b4 cxb3 17. Nxb3 Nc4
18. Ree1 Qc6 19. Nc5 dxc5 20. Qxc4 exd4 21. cxd4 Nd7 22. a5 Rac8 23. d5 exd5
24. exd5 Qd6 25. Re6 Qf4 26. Re4 Qd6 27. Rb1 Rb8 28. Re6 Qf4 29. Qe2 c4 30. Re4
Qf5 31. Qxc4 b5 32. axb6 Nxb6 33. Qe2 Nxd5 34. Rxb8 Rxb8 35. Re8+ Rxe8 36.
Qxe8+ Qf8 37. Qe6+ Qf7 38. Qxa6 h6 39. Qc8+ Kh7 40. h4 Qg6 41. Qb8 Qe4 42. Qb7
Qf5 43. Qb5 Qe4 44. Nd2 Qe1+ 45. Nf1 Nf6 46. Qd3+ Kg8 47. g3 Kf7 48. Kg2 Qe4+
49. Qxe4 Nxe4 50. Ne3 h5 51. Kf3 Nc5 52. Nd5 g6 53. Nf4 Kf6 54. Ke3 Kf5 55. f3
Nd7 56. Nd3 Nf8 57. Nc5 Ke5 58. g4 hxg4 59. fxg4 Nh7 60. Nd3+ Ke6 61. Kf4 Nf6
62. Kg5 Kf7 63. Nf4 Kg7 64. Ne6+ Kf7 65. Nc5 Kg7 66. Kf4 Nd5+ 67. Ke5 Ne3 68.
Kf4 Nd5+ 69. Ke4 Nf6+ 70. Kf3 Nd5 71. Nd3 Kf6 72. Nf2 Ke6 73. Ke4 Nf6+ 74. Kf4
Kf7 75. Ke5 Ke7 76. g5 Nd7+ 77. Kf4 Ke6 78. Ng4 Nb6 79. Nf6 Nc4 80. Ke4 {
1/2-1/2 (80) So,W (2773)-Caruana,F (2787) Wijk aan Zee 2016 CBM 171 [Pavlovic,
M]}) 9. h3 {The position is equal.} b5 (9... Be6 10. Bxe6 fxe6 11. Be3 Nh5 12.
Bxa7 Rxa7 13. Re3 Nf4 14. Nbd2 Qf6 15. Qf1 Qh6 16. Kh2 Kh8 17. g3 g5 18. gxf4
exf4 19. Ree1 g4 20. d4 Rg8 21. Ng1 f3 22. Ndxf3 Raa8 23. Re3 Raf8 24. Qe2 gxf3
25. Rxf3 Ne7 26. Qe3 Qh5 27. Rg3 Ng6 28. Ne2 Nh4 29. Nf4 Qh6 30. Rxg8+ Rxg8 31.
Rg1 Rxg1 32. Kxg1 e5 33. dxe5 Qg5+ 34. Qg3 dxe5 35. Qxg5 Nf3+ 36. Kg2 Nxg5 37.
Nd3 Nxe4 38. Nxe5 a5 39. Nd3 Kg7 40. Kf3 Ng5+ 41. Kg4 Kf6 42. h4 Ne4 43. Kf4
Nd6 44. Nc5 Ke7 45. Ne4 Nf7 46. Ng5 Nd6 47. b3 b5 48. Ne4 bxa4 49. Nxd6 {
1-0 (51) Antipov,M (2596)-Motylev,A (2639) Cheboksary 2021}) 10. Bb3 b4 11. d4
$5 {[%mdl 4] A promising side line.} bxc3 12. bxc3 Rb8 {[#]} 13. Be3 $146 ({
Predecessor:} 13. Bc2 Re8 14. Be3 exd4 15. cxd4 d5 16. e5 Ne4 17. Nbd2 Bf5 18.
Qc1 {1/2-1/2 (67) Willow,M (2194)-Kazoks,A (2412) ICCF email 2012}) 13... Nxe4
14. Bd5 Rxb1 $1 {[%mdl 64] [#] Remove Defender, Decoy} 15. Rxb1 Nxc3 {[%mdl 64]
Double Attack} 16. Qb3 Nxd5 17. Qxd5 {[%mdl 64] Double Attack} exd4 18. Nxd4 ({
Of course not} 18. Qxc6 dxe3 19. fxe3 Bb6 $17) (18. Bxd4 Nxd4 19. Nxd4 Qf6 $11)
18... Ne7 19. Qa8 Bxd4 20. Bxd4 Bf5 21. Qxd8 ({But not} 21. Qxa6 Bxb1 22. Rxb1
Qa8 $15) 21... Rxd8 22. Rb7 ({Reject} 22. Rxe7 Bxb1 23. Rxc7 d5 $15) 22... Nd5
23. Ra7 {[%mdl 1024] White has strong compensation.} Bd3 24. Rd1 $36 {[%mdl
2048] Black is under strong pressure.} Bc4 25. Rc1 Bd3 26. Bc3 Nf4 {[#]
Strongly threatening ...Ne2+.} 27. Kh2 Ne2 (27... d5 $16 {might work better.}
28. Rxc7 Ne6) 28. Rd1 $18 Nxc3 29. Rxd3 Nxa4 30. Rxc7 Kf8 $2 (30... g6 {
is tougher.} 31. Rc6 d5) 31. Rf3 {White is clearly winning.} f6 32. Rg3 g5 33.
Rf3 {Weighted Error Value: White=0.02/Black=0.22} 1-0
