[Event "Moscow Aeroflot op-A 10th"]
[Site "Moscow"]
[Date "2011.02.08"]
[Round "1"]
[White "Petrosian, Tigran L"]
[Black "Vitiugov, Nikita"]
[Result "1-0"]
[ECO "E21"]
[WhiteElo "2604"]
[BlackElo "2709"]
[PlyCount "77"]
[EventDate "2011.02.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Nc3 b6 5. Bd2 Bb7 6. e3 Bxc3 7. Bxc3 Ne4 8.
Qc2 O-O 9. Bd3 f5 10. O-O-O d6 11. Ne1 Qe7 12. f3 Nxc3 13. Qxc3 c5 14. Nc2 Nc6
15. Be2 Rac8 16. Kb1 Rfd8 17. d5 exd5 18. cxd5 Nb4 19. Nxb4 cxb4 20. Qxb4 Qxe3
21. Bd3 Qg5 22. Rhe1 Rc5 23. h4 Qxg2 24. Re7 Bxd5 25. Qd4 Bf7 26. Rxf7 Kxf7 27.
Rg1 Qh2 28. Qxg7+ Ke6 29. Re1+ Kd5 30. Rd1 Kc6 31. b4 Qxh4 32. a3 Rd7 33. Qh8
Rd8 34. Qg7 Rd7 35. Qg8 Rd8 36. Qf7 Qf4 37. bxc5 Qxf3 38. Qb3 Qf2 39. Bb5+ 1-0

[Event "ARM-ch 73rd"]
[Site "Yerevan"]
[Date "2013.01.12"]
[Round "1"]
[White "Petrosian, Tigran L"]
[Black "Melkumyan, Hrant"]
[Result "1-0"]
[ECO "C85"]
[WhiteElo "2648"]
[BlackElo "2656"]
[PlyCount "101"]
[EventDate "2013.01.12"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARM"]
[EventCategory "13"]
[SourceTitle "CBM 153"]
[Source "ChessBase"]
[SourceDate "2013.03.14"]
[SourceVersion "1"]
[SourceVersionDate "2013.03.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Bxc6 dxc6 7. d3 Bg4 8.
Nbd2 Nd7 9. h3 Bh5 10. Qe1 Bc5 11. Nh2 Qe7 12. Nb3 Bb4 13. c3 Bd6 14. Na5 O-O-O
15. b4 Nb6 16. a4 Qe6 17. c4 Be7 18. Ra3 c5 19. b5 Rd7 20. bxa6 bxa6 21. Be3
Rhd8 22. g4 Bg6 23. Qe2 h5 24. f3 hxg4 25. hxg4 f6 26. Rb1 Bf7 27. Nf1 Rh8 28.
Kg2 Rdd8 29. Bg1 f5 30. exf5 Qh6 31. Bh2 Rd4 32. Rab3 Be8 33. Kg1 Bxa4 34. Ra3
Bd6 35. Qg2 Kd7 36. Bg3 e4 37. fxe4 Bc2 38. e5 Bxb1 39. exd6 Rxd6 40. Nb3 Ke8
41. Nxc5 Kf7 42. g5 Qxg5 43. Ne4 Qxf5 44. Bxd6 Nxc4 45. Rc3 cxd6 46. Rxc4 Rh6
47. Rc7+ Ke8 48. Nf6+ Kd8 49. Rd7+ Qxd7 50. Nxd7 Bxd3 51. Qb7 1-0

[Event "WchT 9th"]
[Site "Antalya"]
[Date "2013.12.04"]
[Round "8.4"]
[White "Petrosian, Tigran L"]
[Black "L'Ami, Erwin"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2660"]
[BlackElo "2648"]
[Annotator "Marin,M"]
[PlyCount "57"]
[EventDate "2013.11.26"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "TUR"]
[SourceTitle "CBM 158"]
[Source "ChessBase"]
[SourceDate "2014.01.16"]
[SourceVersion "1"]
[SourceVersionDate "2014.01.16"]
[SourceQuality "1"]
[WhiteTeam "Armenia"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "ARM"]
[BlackTeamCountry "NED"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. c4 g6 {I find this way of meeting the Reti
setup as safest for Black. Instead of developing his queen's bishop on an
exposed square (f5 or g4) he gets castled and only later decides how to
develop his queenside.} 5. b3 Bg7 6. Bb2 O-O 7. O-O a5 {But maybe Black is not
prepared for widening to such an extent the front of play.} ({I find} 7... Bg4
8. d3 Nbd7 {more natural, controlling among others the important e5-square.} 9.
Nbd2 Re8 (9... a5 10. h3 Bxf3 11. Nxf3 e6 {Radjabov,T (2599)-Ivanchuk,V (2717)/
Dubai 2002/CBM 089/[Horn,Pe] (1-0, 69)}) 10. Ne5 Nxe5 11. Bxe5 {1/2 Kozul,Z 
(2585)-Stefansson,H (2579)/Gothenburg 2005/CBM 109/[Marin,M] (81)}) 8. d3 Na6 (
{Black does not seem to achieve much by an early advancing of his a-pawn:} 8...
a4 9. Nbd2 a3 10. Bc3 c5 (10... Nbd7 11. Rc1 Re8 {Leyva,H (2410)-Neubauer,M 
(2454)/Turin 2006/CBM 113 (1/2, 12)} 12. d4 $14) 11. cxd5 Nxd5 12. Bxg7 Kxg7
13. Qc1 Qa5 (13... b6 14. d4 $36) 14. Nc4 Qc3 15. Nfd2 Qxc1 16. Rfxc1 Nb4 17.
Nb6 Ra5 18. Nxc8 Rxc8 19. Bxb7 Rc7 20. Bf3 $16 {Panchenko,A (2425)-Piera,J 
(2175)/La Pobla de Lillet 1997/EXT 1999 (1-0, 62)}) 9. Nbd2 Bg4 ({Once again,
wasting time with} 9... a4 {does not seem too promsiing:} 10. Bc3 axb3 (10...
Bg4 11. Qc2 axb3 12. axb3 Qb6 13. Qb2 Rfc8 14. b4 Ne8 15. d4 Qd8 16. b5 Nac7
17. b6 Ne6 18. c5 Nf6 19. h3 Bxf3 20. exf3 Nd7 21. f4 Rxa1 22. Rxa1 Ra8 23. h4
$16 {Marin,M (2583)-Espinosa Aranda,A (2350)/Benasque 2009/CBM 131 Extra (1-0,
85)}) 11. axb3 b6 12. b4 Bb7 13. Qc2 c5 14. bxc5 bxc5 15. Rfb1 Qc7 16. Qb2 Bc6
17. Be5 Qc8 18. Ra5 d4 19. Nb3 $16 {Timman,J (2575)-Giri,A (2701)/Leiden 2011/
CBM 143 Extra (1-0, 80)}) 10. a3 Bxf3 $5 $146 {Quite surprising. Taking on f3
without being pushed to it with h2-h3 is more common if White does not have
the reserve knight on d2, which would cause him to lose control over the
central dark squares.} (10... Rc8 11. Qc2 b5 12. h3 Be6 13. cxb5 $6 cxb5 14.
Qb1 Qd7 $11 {Kramnik,V (2803)-Mamedyarov,S (2753)/Moscow (blitz) 2013/CBM 154
Extra (1/2, 24)}) (10... Nd7 11. Bxg7 Kxg7 12. Qb1 (12. d4 $5) 12... e5 $11 {
Dominguez Perez,L (2726)-Le Quang,L (2687)/Havana 2011/CBM 143 (1/2, 22)}) (
10... Qc8 11. Rc1 Nc7 (11... Qf5 {Espig,L (2440)-Vogt,L (2510)/Plauen 1980/MCL
(1/2, 53)} 12. cxd5 cxd5 13. Ne5 {[%csl Gg4]}) 12. Qc2 Bh3 13. cxd5 Nfxd5 14.
Bxg7 Kxg7 15. e4 Bxg2 16. Kxg2 Nf6 17. d4 $6 (17. Nc4 $1 Ne6 18. h3 Qc7 19. d4
$14) 17... Ne6 18. Nc4 Rd8 (18... Nf4+ $5) 19. Rfd1 Nf4+ 20. Kg1 Qh3 21. Ne1
Ne6 $132 {Granda Zuniga,J (2614)-Hertneck,G (2552)/Bahia Feliz 2011/CBM 143 
(1-0, 80)}) 11. Nxf3 e6 12. Qc2 Nd7 {This must have been planned in advance:
Black plays for simplifications, hoping to make the white bishop look like a
spectator. Still, things are not that one sided: the bishop inhibits the
expansion of Black's centre, ensuring White some permanent space advantage.}
13. Bxg7 ({Once the knight has stepped away from the centre, I would consider
gaining space in the centre (and keeping the bishop pair, btw) with} 13. d4 $5
$14 {[%cal Ga1b1,Gf1d1,Gb2c1,Gc1d2]}) 13... Kxg7 14. Qc3+ Qf6 $5 {Quite
ambitious. Black does not wish to give away the control over the long diagonal.
} ({There was nothing really wrong with} 14... Kg8 {, but in principle Black's
position would be passive with little hope of getting counterplay.}) 15. Qxa5 {
Picking up the gauntlet.} Nac5 16. Qb4 {So, did White simply win a pawn?} Ra6
$1 {Not really, the last move underlines the somewhat unfortunate placement of
the white queen.} 17. d4 Rb6 18. Qc3 Nxb3 $6 {After this move Black gets by
force into a very unpleasant position with a misplaced knight on the edge of
the board.} ({Good or bad, he should not have refrained from the principled} 
18... Rxb3 19. Qc2 Rxf3 {[%cal Gf6d4]}) 19. Rab1 dxc4 (19... Nbc5 20. Rxb6 Nxb6
21. Qb4 Ncd7 22. c5 Nc4 23. Qxb7 $18) 20. Qxc4 Na5 21. Qc3 Rxb1 22. Rxb1 $14 {
The hyper-jumping knight has ended up on a bad square. It causes Black some
worries defending it and leaves the kingside somewhat weakened.} b6 {So far,
Black did not have weaknesses, but now he gets one. I imagine this was not
what he wanted when he gave up his light-squared bishop.} ({The passive} 22...
Ra8 {deserves considering.}) 23. Nd2 Kg8 (23... c5 24. e3 e5 25. d5 $14) 24.
Ne4 Qe7 25. h4 $1 {White rightly starts an attack on the kingside, where he
will practically be a piece up.} (25. Qb4 Re8 (25... Qxb4 26. axb4 Nc4 27. Ra1
$36) 26. e3 Qf8 $14) 25... Rb8 {[%csl Gb6][%cal Ge6e5]} ({It is always a good
question whether to stop such a pawn with} 25... h5 {But the essence of the
matter remains the same: the a5-knight is a spectator.}) 26. h5 gxh5 (26... e5
27. dxe5 Nxe5 (27... Qxe5 {is safer, but this is not the idea of the central
break} 28. Qd2 $16) 28. h6 $18 {[%cal Gc3g7] It is interesting that the march
of the h-pawn actually inhibits a thematic break in the centre!}) 27. Bf3 $6 ({
It would have been better to put some pressure on the enemy queen before
advancing the h-pawn:} 27. Qb4 $1 Kf8 (27... Qd8 28. Qd6 $36) (27... Qxb4 28.
axb4 Nc4 29. Rc1 b5 30. Nc5 Nxc5 31. dxc5 Rc8 32. Ra1 $14) 28. Bf3 f5 (28... h4
29. gxh4 $14) 29. Ng5 $5 c5 30. Qd2 Nc4 31. Qc1 Nd6 32. Bc6 cxd4 33. Bxd7 Qxd7
34. Qf4 $36) 27... f5 $6 (27... h4 $1 28. Qb4 $140 c5 $13) 28. Nc5 Nf6 $4 (
28... bxc5 29. Rxb8+ Nxb8 30. Qxa5 h4 $14) 29. Qxa5 $1 {Suddenly, the bad
knight is lost.} (29. Qxa5 bxa5 30. Rxb8+ Ne8 (30... Kf7 31. Rb7 $18) 31. Bxh5
$18) 1-0

[Event "Abu Dhabi op 23rd"]
[Site "Abu Dhabi"]
[Date "2015.08.29"]
[Round "7"]
[White "Petrosian, Tigran L"]
[Black "Kryvoruchko, Yuriy"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2623"]
[BlackElo "2697"]
[PlyCount "61"]
[EventDate "2015.08.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UAE"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. d3 Be7 5. Nbd2 c5 6. e4 Nc6 7. O-O O-O 8. Re1
b5 9. e5 Nd7 10. Nf1 Bb7 11. h4 Qc7 12. Bf4 Rfc8 13. N1h2 Qd8 14. Ng4 b4 15.
Qd2 h5 16. Ngh2 c4 17. d4 c3 18. bxc3 bxc3 19. Qd1 g6 20. g4 hxg4 21. Nxg4 Bxh4
22. Nxh4 Qxh4 23. Re3 f5 24. exf6 Nxf6 25. Rxe6 Qxg4 26. Rxf6 Qxd1+ 27. Rxd1
Kg7 28. Rd6 Rd8 29. Rb1 Na5 30. Rxd8 Rxd8 31. Rb5 1-0

