[Event "BUDA-2"] [Site "?"] [Date "2021.10.23"] [Round "4.19"] [White "Yip, M."] [Black "Donkas, P."] [Result "1-0"] [ECO "A44"] [WhiteElo "1953"] [BlackElo "2005"] [Annotator "Yip"] [PlyCount "97"] [SourceVersionDate "2004.05.16"] 1. d4 c5 2. d5 e5 {I could not find this move order in the Avrukh 2B repertoire. Maybe I am misreading something} 3. e4 {Not commiting to c4 is a flexible approach} (3. c4 {This is always possible} d6 4. Nc3 f5 5. e4 (5. g3 Nf6 6. Bg2 g6 7. e4 Bg7 8. Nge2 O-O 9. O-O h6 10. Qc2 Kh7 11. h3 Qe7 12. Be3 Na6 13. Rae1 Nc7 14. f4 fxe4 15. Nxe4 Bf5 16. N2c3 Rae8 17. g4 Nxe4 18. Nxe4 exf4 19. Bxf4 Bd4+ 20. Kh1 Bxe4 21. Bxe4 Qf6 22. Kg2 Qg7 23. Bxd6 Rxf1 24. Rxf1 Na6 25. a3 Be5 26. Bxe5 Rxe5 27. Bxg6+ Kh8 28. Rf7 Qg8 29. Rh7+ Qxh7 30. Bxh7 { 1-0 (30) Tang,A (2538)-Fedoseev,V (2674) chess.com INT 2020}) 5... Nf6 (5... f4 $6 {is asking too much with Black being undeveloped} 6. g3 Be7 (6... g5 $143 { is much worse} 7. Qh5+ Kd7 8. Nf3 h6 9. gxf4 gxf4 10. Nxe5+ dxe5 11. Qf5+ Kc7 12. Qxe5+ $18) 7. gxf4 exf4 8. Bxf4 $18) 6. Bd3 f4 7. g3 fxg3 8. hxg3 Be7 9. f3 Nbd7 10. Be3 Nf8 11. Qd2 Bd7 12. Nh3 h6 13. Nf2 Qc7 14. Be2 O-O-O 15. O-O-O Kb8 16. Kb1 a6 17. Rh2 Bc8 18. f4 Rg8 19. fxe5 dxe5 20. Rf1 Bd6 21. Nd3 Bg4 22. Bxh6 Bxe2 23. Qxe2 N8d7 24. Bg5 Rdf8 25. a3 Qb6 26. Ka2 Ka8 27. Be3 Qc7 28. Rhf2 Rh8 29. g4 Re8 30. g5 Nh5 31. Qg4 Qc8 32. Rf7 Nb8 33. Qxc8 Rxc8 34. Na4 Ka7 35. Naxc5 Bxc5 36. Nxc5 Ka8 37. Nxb7 Ng3 38. Nd6 Nc6 {1-0 (38) Koneru,H (2557)-Tan Zhongyi (2496) Doha QAT 2016}) 3... d6 4. Bb5+ {A disruptive check} (4. c4 {This could lead to conventional play on ..Nf6 but I was not sure about the positions arising from a quick ..f5 followed by ..Nf6 when Black saves time on normal King's Indian play. The drawback for Black would be the fast .. c5 might premature close the position if White could get a quick kingside attack going} f5 5. exf5 {This is the critical idea. White gets the e4 outpost while Black has the f<-> but not the normal ..f4 attack wedge} Bxf5 6. Nc3 Nf6 7. Nge2 {Developing to fight for e4} Na6 $5 (7... Be7 8. Ng3 Bg6 9. Bd3 { Consistently fighting for e4} (9. h4 h6 10. h5 Bh7 11. Bd3 Bxd3 12. Qxd3 O-O 13. Qg6 Kh8 14. Nf5 Ne8 15. Ne4 Na6 16. Nxh6 gxh6 17. Qxh6+ Kg8 18. Qg6+ Kh8 19. Rh3 Rf6 20. Nxf6 Nxf6 21. Rf3 {1-0 (21) Georgiev,V (2547)-Fejzullahu,A (2280) Bern 2012}) 9... Bxd3 10. Qxd3 O-O 11. O-O a6 12. a4 {Normal restriction play. Black has the worse bishop and little to show for the loss of the e4-outpost. After White gets a knight to e4, the dream would be Ng5-e6} Nbd7 13. Ra3 $5 Ne8 14. Nge4 g6 15. Bh6 Rf7 16. h3 Ng7 17. g4 $1 g5 18. Qe3 Nf8 19. Nxg5 Rf4 20. Nge4 Ng6 21. Ne2 Rf8 22. f4 Nxf4 23. Nxf4 exf4 24. Rxf4 Rxf4 25. Qxf4 Qd7 26. Rf3 Rf8 27. Qxf8+ {1-0 (27) Stern,R (2536)-Getzuhn,D (1889) Berlin GER 2015}) (7... Nbd7 8. Ng3 Bg6 9. h4 $5 {/\xBg6,h4} Nb6 10. h5 Bf7 11. Bd3 {/\xe4,/^b1-h7} Rg8 12. Bg5 g6 13. hxg6 Bxg6 14. Bxg6+ Rxg6 15. Nge4 Be7 16. Bxf6 Bxf6 17. Rxh7 Bg7 18. Qh5 Kf7 19. Qf5+ Rf6 20. Nxf6 Qxf6 21. Qxf6+ Kxf6 22. Rh4 Kg5 23. g3 {1-0 (23) Gurevich,M (2620)-Stange,S Vlissingen 1997}) 8. Ng3 Bg6 9. Bd3 {Trading off the light squared bishops is a standard way to gain control of e4} Bxd3 10. Qxd3 Be7 11. O-O O-O 12. Bd2 Qd7 13. Rae1 Nb4 14. Qb1 Qg4 15. a3 Na6 16. Qd3 Qd4 17. Qe2 {Of course keeping the queens for rich middlegame play is strategically the most consistent to maximize the potential of White's position} g6 18. Bg5 Nxd5 19. Nxd5 Bxg5 20. Ne4 b5 21. b3 bxc4 22. Rd1 Be3 23. Ndf6+ Rxf6 24. Nxf6+ Kg7 25. fxe3 Qc3 26. Rxd6 Qxb3 27. Rd7+ { 1-0 (27) Cvitan,O (2489)-Zenkic,M Basel 2000}) 4... Nd7 {Avoiding the trade of light squared bishops keeps more pieces on the board but slows down Black's development and reduces support for ..f5} (4... Bd7 5. a4 {White would be happy to trade off the light squared bishops}) 5. a4 a6 6. Bd3 {A logical place for the bishop given that Black is aiming for ..f5, then ..Ngf6 with a faster than normal King's Indian style kingside attack in the air} g6 7. c4 { Not a popular interpretation of the position} (7. Nc3 $5 Bg7 8. Nf3 Nh6 9. Nd2 O-O 10. Nc4 {The is a nice way to show the benefit of not playing c2-c4} Qe7 11. h4 f5 12. Bg5 Nf6 13. Nb6 Rb8 14. Nxc8 Rbxc8 15. Bxh6 Bxh6 16. h5 Kg7 17. hxg6 hxg6 18. Qf3 fxe4 19. Bxe4 Nxe4 20. Qxe4 Rf4 21. Qe2 Rcf8 22. f3 Rd4 23. Rd1 Bf4 24. Ne4 Rxa4 25. g3 Bh6 26. Kf2 Rd4 27. c3 Rxd1 28. Rxd1 b5 29. Kg2 c4 30. Rh1 Rh8 31. Qf2 Bg5 32. Rxh8 Kxh8 33. Qb6 Bc1 34. Nxd6 Bxb2 35. Ne4 Ba3 36. Qxg6 Qg7 37. Qh5+ Kg8 38. d6 Bxd6 39. Nxd6 b4 40. Qe8+ Kh7 41. cxb4 c3 42. Qc6 {1-0 (42) Lazavik,D (2440)-Pultinevicius,P (2492) chess.com INT 2021}) (7. a5 { Restricting ..b5 is also reasonable} h5 8. Nd2 {/\Nc4} Qe7 9. Ne2 h4 10. c3 Bh6 11. b4 {Showing some ambition on the queenside} Ngf6 12. Nc4 Kf8 13. Ba3 Kg7 14. Nc1 Nh5 15. Nb3 Nf4 {Black also has some reasonable chances on the kingside } 16. g3 Nxd3+ 17. Qxd3 cxb4 18. Bxb4 Nc5 19. Bxc5 dxc5 20. Nb6 c4 21. Qxc4 Rb8 22. Qd3 Bh3 23. f3 {White has an extra pawn and can simply push the c,d-pawns once Black's kingside activity has been extinguished} Rbd8 24. c4 f5 25. c5 Qg5 26. Kf2 Rhf8 27. Nc4 Kh7 28. Rac1 fxe4 29. Qxe4 Rf4 30. gxf4 Qg2+ 31. Ke3 Bxf4+ 32. Kd3 Bf5 33. Kc3 Bxe4 34. fxe4 Bxh2 35. Ne3 Qg3 36. Nd2 Rf8 37. Kd3 Rf2 38. Rb1 Kg8 39. Ndf1 Qf4 40. Nxh2 Rxh2 41. Rxh2 Qxh2 42. c6 bxc6 43. dxc6 {1-0 (43) Van der Sterren,P (2576)-Hennig,D (2443) Netherlands 2001}) 7... Bg7 8. Nc3 { Normal play must surely transpose into some known theory} Ne7 {The point of Black's setup} (8... Ngf6 {Leads to unusual closed KID play}) 9. Be3 {White has no fixed plan and tries to play with flexible and normal development, not seeing the big danger in allowing ..f5} (9. h4 $5 {Exploiting the absence of .. Nf6 with the h4-h5 plan might be best and is certainly more energetic than the game continuation} O-O (9... f5 10. exf5 gxf5 11. Bxf5 $18 Nxf5 12. Qh5+) (9... h6 10. Bd2 $16) 10. h5 $18) 9... O-O 10. Nge2 {White continues with normal play but Black has achieved something close to an idea setup} (10. Nf3 { Is an alternative that I was too lazy to look at very deeply} f5 11. Ng5 f4 12. Ne6 Qe8 13. Nc7 Qf7 14. Nxa8 fxe3 15. O-O exf2+ 16. Kh1 b6 17. Nc7 {This might be another valid approach but I did not calculate idea out in the game}) (10. g4 $5 {I did not check this idea very closely} f5 11. gxf5 gxf5 12. exf5 Nxf5 13. Ne4 (13. Nf3 Nxe3 14. fxe3 Nf6 15. Ng5 Qe7 16. Ne6 Bxe6 17. dxe6 Qxe6 18. Qc2 $13) 13... Nd4 $13 (13... Nxe3 14. fxe3)) 10... f5 {White's non-critical approach has given Black a close to normal KID} 11. f3 f4 12. Bf2 g5 {[#] I felt satisfied with the position during the game with the main plan being not to castle short, however slower home analysis showed how little I understood about what was happening in the game} 13. h3 $6 {Superificial play. White shows no understanding of the basic KID positional methods} (13. h4 {Is critical and Black is in trouble as ..g4 is not possible} h6 (13... g4 $2 14. fxg4 $16) 14. Nc1 Nf6 15. hxg5 hxg5 16. Be2 $16) 13... Ng6 {Now White is imprecise and gives Black a chance to close the queenside with ..a5} 14. Nc1 { White gives control of g4 and dealing with ..g4 top priority but a deeper understanding should reveal that Black should be prevented from ..a5 which would close the queenside and make the position almost unwinnable for White} ( 14. a5 $14 {is good now}) 14... Nf6 15. Be2 {White is focused on improving pieces rather than control enemy pawn play} (15. a5 $14 {is again suitable as Be2,Nd3 can wait a move}) 15... h5 {Black really only has one active plan, and pursues it} 16. Nd3 (16. a5 $14) 16... Bd7 $6 {A bit too casual and White gets a chance to rectify the previous omission of a4-a5} (16... a5 $14 {This would stop any queenside expansion ideas and it is doubtful whether White can favorably open the kingside for practical winning chances}) 17. a5 {Finally but White took a big risk by delaying this measure. White is not almost ideally positioned on the queenside and need only to correctly manage the kingside} Qc8 $2 {This way of supporting the ..break has an obvious drawback} 18. Na4 {/\Nb6 forces a concession} Bxa4 {[#]} 19. Rxa4 $2 $13 {A superficial and automatic recapture made without any sense of strategic urgency. Here I showed no self-discipline and did not consider the alternative capture} (19. Qxa4 $1 {Is positionally crushing} g4 20. hxg4 hxg4 21. b4 g3 22. Bg1 {This is the right diagonal for the bishop to support the thematic c4-c5 break} Nd7 23. bxc5 dxc5 24. Qa3 $18 {The queen supports c5 which the Ra4 cannot do *** I moved too quickly, showing a superficial and undisciplined approach and most of all I was lazy, looking for the easy way to solve problems}) 19... g4 20. hxg4 hxg4 {[#]} 21. Kd2 {This was my clever idea, just walking my king to safety and not bothering with the kingside. Black's aggressive expansion idea makes far less sense now but still kingside space is useful for Black. Black's main problems is his passive Bg7 and lack of positional compensation for the bishop pair's potential should the position open up} g3 22. Be1 {The bishop is now passive and must be regrouped to gain back some of its effectiveness so for now Black has a safe position} (22. Bg1 {I wanted to avoid this as the Rh1 is cut off but possibly White can make something out of the pressure on c5}) 22... Nd7 23. b3 $2 $17 {A careful move, anticipating ..b5 and the ..Nb6 fork but careless all the same} (23. Ra1 $11 b5 24. axb6 Nxb6 25. b3) (23. Z0 b5 24. axb6 Nxb6 {The double attack on Ra4/c4 is awkward for White}) 23... b5 $6 { Continuing with queenside expansion. Black also missed the key idea in the position} (23... Kf7 $17 {I never considered this plan. Black clears the 8th rank to contest the h<->} 24. Kc2 Rh8 25. Bc3 Rxh1 26. Qxh1 Qh8 27. Ra1 Qxh1 28. Rxh1 Rh8 29. Rxh8 Bxh8 {/\..Nh4 will tie down a piece to the defence of the g-pawn and White's winning chances in the endgame are problematic}) 24. axb6 Nxb6 {[#]} 25. Ra5 {White is fixated on limiting Black's queenside potential} (25. Ra3) (25. Ra1) 25... Bf6 26. Kc2 Bd8 {The xray on the Ra5 is potentially dangerous so the rook must move} (26... Nh4 27. Bf1 Kf7 $11) 27. Ra3 {Possibly White is being too careful} (27. Ra1 {Connects the rooks faster after Bc3 and a useful queen move} Rf7 28. Bc3 Rh7 29. Qd2 {White remains in control}) 27... Kg7 28. Bc3 a5 29. Nb2 {Securing the queenside against ..a4 ideas. The a5-pawn cannot be taken} (29. Bxa5 $2 Rxa5 30. Rxa5) (29. Rxa5 $2 Rxa5 30. Bxa5 Nxc4 31. Bxd8 $4 Ne3+) 29... Nh4 {Black tries to generate some threats but the attack on g2 is not dangerous as Black remains fundamentally passive} 30. Bf1 Nd7 {The knight remains passive but now a5 is officially covered} 31. Qd2 Qc7 32. Nd3 {[#]} Rh8 $2 {Black played quickly and blunders} 33. Nxf4 {The game should be over now but I got over confident and played too quickly, not to mention superficially} (33. Qxf4) 33... Kf7 34. Ne6 Qb6 {[#]} 35. Rh3 {Not the only way but this should win easily. The rook was unprotected on h1 and now is secure. The loose g3-pawn is also attacked and I thought a quick resignation was coming} (35. Bxa5 {also wins} Qxa5 (35... Rxa5 36. Nxd8+ Qxd8 37. Qxa5 $18) 36. Rxa5 Bxa5 37. Qg5 Rag8 38. Rxh4 Rxg5 39. Rxh8 $18 Rg8 40. Rh7+ Ke8 $18) 35... a4 {Black tries to get some activity going but this should come to nothing. Here I calculated but could not find a clear win that I was satisfied with} 36. Rxg3 {Greed got the better of me as i could see no problems with taking another pawn} (36. Nxd8+ Qxd8 (36... Raxd8 37. Rxa4 $18) ( 36... Rhxd8 $2 37. Rxh4 axb3+ 38. Rxb3 $18) 37. Rxa4 (37. bxa4)) 36... Bf6 { Suddenly Black's rooks are connected and ..Rhb8 is coming. The Rg3 does not seem to make any real threats so now I was kicking myself for allowing a sign of life} 37. bxa4 {After some thought and finding nothing real that I was happy with, I just grabbed more material and dared Black to make a real threat} (37. Rxa4) 37... Rhb8 {[#] Here Black has a horrible version of the Benko, costing three pawns and still having a passive dark-square bishop} 38. Qc1 $2 { is too defensive. The moment of truth arrived and I failed to calculate out a precise finish} (38. Qh6 $1 {I saw this must broke off calculations prematurely } Qb1+ {Allowing this check seemed unnecessary so I prematurely broke of the line and looked for something that allowed no activity. ***This shows poor calculating ability as well as an overcautious approach} 39. Kd2 {White threatens Qh7+ etc with a mating attack, but I did not realize the tactical strength of the kingside invasion} Rb2+ (39... Z0 {White's big threat is} 40. Qh7+ Bg7 (40... Ke8 41. Rg8+ Nf8 42. Rxf8#) 41. Rxg7+ Ke8 42. Rg8+ Nf8 43. Rxf8#) 40. Bxb2 Qxb2+ 41. Ke1 {White can afford to give the Ra3 and run from the checks as the Qh7+ threat trumps anything Black can come up with} Qb1+ ( 41... Qxa3 42. Qh7+ Ke8 {The finish was not so hard to see but still proved to be outside of my range} 43. Rg8+ Nf8 44. Rxf8#) 42. Kf2 Qc2+ 43. Kg1 {The king is safe and Black has nothing} Rg8 44. Qh7+ Rg7 45. Rxg7+ Bxg7 46. Qxg7+ Ke8 47. Qg8+ Ke7 48. Qd8+ {This would be a bit too far for me to calculate} Kf7 49. Qxd7+ Kf6 50. Qg7# {***POOR calculating ability***}) 38... Rxa4 {[#] White again misses a decisive tactical resource} 39. Rxa4 $2 {'Chess is not checkers'-etc} (39. Qh6 $1 {Again I missed this idea} Qb1+ (39... Rxa3 40. Qh7+ Ke8 41. Rg8+ Nf8 42. Rxf8#) 40. Kd2 Rb2+ 41. Bxb2 Qxb2+ 42. Ke1 Qb1+ 43. Kf2 Qb2+ 44. Kg1 Rxa3 45. Qh7+ $18 {***POOR calculating ability***}) 39... Qb3+ { [#]} 40. Kd2 $6 {The spent some time here and reached a false conclusion based on an inaccurate evaluation of the /^c1-h6 diagonal compared to the Bf1 and the /^f1-a6 diagonal} (40. Kd3 {I did not want to block the Bf1 but the key was not to block the queen from reaching h6} Qxa4 41. Qh6 $18) 40... Qxa4 { White up two pawns, true but where is my attack?} 41. Bd3 {Getting fully mobilized was my idea but it not clear that the bishops is actually doing more} (41. Nc7 {Regrouping the knight wins nicely} Nb6 42. Nb5 Nxc4+ 43. Bxc4 Rxb5 ( 43... Qxc4 $2 {runs into a fork} 44. Nxd6+ $18) 44. Bxb5 Qxb5 45. Qh1 $18) (41. Be2 $18) 41... Nb6 {[#] I could not believe it but with simple play,Black has managed to create some threats} 42. Qa1 $2 {I wanted to finished cleanly and win with the 2+ pawns in an endgame} (42. Ke1 Nxc4 43. Qh6 $18) (42. Ke2 Qa2+ 43. Kf1 Nxc4 44. Qh6 $1 $18) 42... Ra8 $2 $18 (42... Qxa1 {Black has some defensive hope in the endgame} 43. Bxa1 Ra8 44. Bc3 Ra2+ 45. Kc1 Nxg2 46. Bd2 Ra3 47. Kc2 Ra2+ 48. Kd1 Nh4 49. Nc7 $14) 43. Qb2 $6 (43. Qxa4 {The ending is easily winning} Rxa4 44. Kc2 Ra2+ (44... Nxc4 $1 45. Kb3) 45. Kb3 Rxg2 46. Rxg2 Nxg2 47. Bd2 Nh4 48. Be2 $18 Be7 49. Ba5 Nd7 50. Ka4 $18 {and the king infiltrates on the kingside}) 43... Rb8 $2 $18 (43... Qa7 $142 {also loses} 44. f4 (44. Qc2 Na4 45. f4 Nxc3 46. Qxc3 $16) 44... Na4 45. Qc2 Nxc3 46. Qxc3 Qa4 ( 46... Qa2+ 47. Bc2 $18) (46... Rg8 47. Rxg8 Kxg8 48. Bc2 $18) 47. Bc2 Qa2 ( 47... exf4 $2 48. Rg7+ $1 $18) 48. f5 $18 Nxg2 (48... Ra7 49. Rh3 Nxg2 50. Qg3 $18) (48... Qa6 49. Nc7 $18) 49. Qb3 (49. Rxg2 $2 Ra3 $15) 49... Qxb3 50. Rxb3 $18) 44. Qb5 $2 $13 {Supeficial aggression only. White blunders into an unclear position with a false show of aggression and must win the game again. ****POOR calculating ability***} (44. Ke2 $1 {The king should run and kill any counterplay} Nxc4 (44... Qa8 45. Qd2 Rh8 46. f4 $18) (44... Ng6 45. Rh3 $18) 45. Qxb8 {Black only has some harmless checks} Qa2+ 46. Ke1 {The key is that the Qa2 has no good checks because the strong bishops, not to mention the knights} Nxg2+ 47. Kf1 Nce3+ 48. Kg1 $18) (44. Ke1 {also wins} Ng6 45. Rh3 $18) 44... Qa2+ 45. Kc1 {[#] In a tense position Black blunders} Ng6 $2 $18 (45... Qf2 $1 $132 {The queen gets too active and White just cannot win} 46. Qc6 Qxg3 47. Qc7+ Nd7 48. Qxd7+ Be7 49. Nc7 $11) 46. Qc6 $2 {Another false show of aggression ***Poor calculating ability ***} (46. Qa5 $1 {White had plenty of time and fails to finish precisely} Qxa5 47. Bxa5 Nd7 (47... Rb7 48. Rh3 $18) 48. Bc7 Ra8 49. Bxd6 $18) 46... Ne7 $11 {Quickly played and is not the only way to hold the position} (46... Rh8 47. Rh3 Rxh3 48. gxh3 Qb3 49. Kd2 Qa2+ 50. Ke3 Qb3 51. Kd2 $11) (46... Qb3 47. Qc7+ Be7 48. Ng5+ Kg7 49. Ne6+ Kf7 50. Ng5+ $11) 47. Qxd6 $5 {[#] I could not find a win(because there isn't one) and went with greed} Nxc4 $2 (47... Rh8 $8 {I missed this and the simple idea ..Rh1+ etc,completely overlooking that the rook could switch flanks} 48. Rh3 Qb3 $11 ( 48... Rxh3 $2 49. gxh3 Qb3 50. Kd2 Nxc4+ 51. Bxc4 Qxc4 52. Nd8+ Ke8 53. Qxf6 $18)) 48. Qxb8 $18 Qa3+ 49. Bb2 {There were many error types -POOR CALCULATING in a complex middlegame(missing Qh6! etc mating attack, Kd2 blocking Qc1-h6) -overlooking the strength of alternative captures(Qxa4 instead of Rxa4) -POOR REPERTOIRE: insufficient repertoire in the opening against sideline 2..e5 -POOR CONSIDERATION of OPPONENT'S PLANs overlooking ..a5 closing the queenside plans Strengths were good nerves overall and belief in the strength of White's position} 1-0