[Event "18th Aeroflot Open-A 2020"] [Site "Moscow"] [Date "2020.02.26"] [Round "8.41"] [White "Sreeshwan Maralakshikari"] [Black "Shubin, Kirill"] [Result "0-1"] [ECO "E51"] [WhiteElo "2440"] [BlackElo "2427"] [Annotator "Reeh,Oliver"] [SetUp "1"] [FEN "r2q1rk1/2p3p1/p2b2np/1p1Ppb2/4Nn2/P3BN1P/BPQ2PP1/2R1R1K1 b - - 0 20"] [PlyCount "19"] [EventDate "2020.??.??"] [SourceTitle "CBM 196"] [Source "ChessBase"] [SourceDate "2020.06.30"] [SourceVersion "1"] [SourceVersionDate "2020.06.30"] [SourceQuality "1"] {[%evp 0,58,24,19,33,7,7,4,20,26,28,19,26,19,23,23,32,40,73,64,62,58,56,48,52, 39,45,52,48,33,44,41,41,24,1,-29,43,-21,-24,-2,-2,-122,-171,-232,-174,-170, -145,-145,-128,-128,-127,-176,0,-324,-324,-434,-436,-470,-501,-501,-502] [#]} { [%tqu "En","How can Black start a fierce attack?","The right sac, please!","", "f4g2","Very strong - with the right follow-up after 21.Kxg2. Seen it?",4, "De","Wie kann Schwarz einen heftigen Angriff starten?","Das richtige Opfer, bitte!","","f4g2","B鋜enstark - bei der richtigen Fortsetzung nach 21.Kxg2. Schon gesehen?",4]} 20... Nxg2 $3 {[%csl Rg1,Gg2]} (20... Bxh3 21. gxh3 Nxh3+ 22. Kg2 Qd7 23. Nh2 $1 {[%cal Gh2g4]}) 21. Kxg2 {[%tqu "En","How should Black continue?","","","g6h4","Excellent!",3,"f5h3","No - this bishop is too important for Black's attack!",0,"De","Wie geht es weiter?","","","g6h4", "Ausgezeichnet!",3,"f5h3","Nein - dieser L鋟fer ist f黵 den schwarzen Angriff zu wichtig!",0]} Nh4+ $1 (21... Bxh3+ 22. Kxh3 Rxf3+ 23. Kg2 Nh4+ 24. Kf1 Qd7 25. Nxd6 cxd6 26. Qe4 $18) 22. Nxh4 {[%tqu "En","Capture and take stock.","", "","d8h4","In position! Black's queen and bishop are a splendid attacking duo, hitting both h3 and the pinned knight on e4. Black is winning - and there will be one more moment for you to shine! Fast forward to move 25.",1,"De", "Schlagen und Bilanz ziehen.","","","d8h4","In Position! Dame und L鋟fer von Schwarz bilden ein pr鋍htiges Angriffsdueo, das sowohl h3 als auch den gefesselten Springer e4 unter Beschuss nimmt. Schwarz gewinnt - und Sie werden noch einmal Gelegenheit haben zu gl鋘zen! Schnellvorlauf zu Zug 25.",1] } Qxh4 {[%csl Re4,Rg2,Rh3,Gh4][%cal Gh4e4,Gh4h3,Gf5e4]} 23. Bb1 (23. f3 Bxh3+ 24. Kg1 Rxf3 $19) 23... Qxh3+ 24. Kg1 Qf3 $1 {[%csl Gf3,Rg1][%cal Gf5h3,Gf3g2, Gh3g2]} 25. Kh2 {[%tqu "En","Black to play and win.","Do something for the Bd6!","","f8f6","Splendid! The rook threatens to move to g6, and 26.Nxf6+ gxf6 gives Black a 'real' bishop pair!",4,"De","Schwarz zieht und gewinnt.", "Tun Sie etwas f黵 den Ld6!","","f8f6","Wunderbar! Der Turm droht nach g6 zu schwenken, und 26.Sxf6+ gxf6 gibt Schwarz ein 'echtes' L鋟ferpaar!",4]} Rf6 $3 {[%csl Gf6,Rh2][%cal Gf6g6]} 26. Nxf6+ (26. Qc6 Raf8 27. Nxf6+ Rxf6) 26... gxf6 27. Qxf5 ({The game saw In der Partie geschah} 27. Qc6 e4+ 28. Kg1 Bh3 $1 29. Qxa8+ Kf7 30. Rxc7+ Bxc7 31. Bxe4 Qg4+ $1 32. Kh1 Qxe4+ {0-1.}) {[%tqu "En", "Please show Black's point.","","","e5e4","Opening one diagonal (d6-h2) while closing another one (b1-f5)! White's queen is hanging, 28.Bf4 is his only try. ",1,"De","Bitte zeigen Sie die Pointe von Schwarz.","","","e5e4","R鋟mt eine Diagonale (d6-h2) und schlie遲 eine andere (b1-f5)! Die Dame von Wei?h鋘gt, 28.Lf4 ist sein einziger Versuch.",1]} 27... e4+ $1 {[%csl Ge4,Rh2][%cal Yb1f5, Gd6h2]} 28. Bf4 {[%tqu "En","White has blocked the diagonal d6-h2. Best capture for Black?","","","d6f4","and 29.Kg1 is followed by ...",2,"De","Wei? hat die Diagonale d6-h2 geblockt. Bester Schlagzug f黵 Schwarz?","","","d6f4", "und nach 29.Kg1 folgt ...",2]} Bxf4+ 29. Kg1 {[%tqu "En","Black's final point, please.","","","f4h2","Yep - the Qf5 drops!",1,"De","Die Schlusspointe von Schwarz, bitte.","","","f4h2","Yep - die Df5 f鋖lt!",1]} Bh2+ $19 {[%csl Rg1, Gh2][%cal Gf3f5]} 0-1 [Event "Ciocaltea Memorial"] [Site "Bucharest"] [Date "1993.??.??"] [Round "?"] [White "Neverov, Valeriy"] [Black "Rogozenco, Dorian"] [Result "1-0"] [ECO "D15"] [WhiteElo "2550"] [BlackElo "2480"] [Annotator "Rogozenco,Dorian"] [SetUp "1"] [FEN "r3k2r/1q1n1ppp/p2bpn2/1p1pN3/3P4/1P2P2P/PBQ1NPP1/2R2RK1 b kq - 0 15"] [PlyCount "93"] [EventDate "1993.02.??"] [EventType "tourn"] [EventRounds "15"] [EventCountry "ROU"] [EventCategory "10"] [SourceTitle "CBM 154"] [Source "ChessBase"] [SourceDate "2013.05.15"] [SourceVersion "1"] [SourceVersionDate "2013.05.15"] [SourceQuality "1"] {[#]} 15... O-O {[%tqu "En","Black is ready to neutralise White's control of the c-file by bringing a rook to c8. Do you see a way for White to keep control of the open file?","","","c2c6","",3,"De","Schwarz steht bereit, die wei遝 Kontrolle 黚er die c-Linie zu neutralisieren, indem er einen Turm nach c8 bringt. Sehen Sie einen Weg f黵 Wei? die Kontrolle 黚er die offene Linie zu behaupten?","","","c2c6","",3]} 16. Qc6 $1 {[%csl Rc7][%cal Rc6d6,Rc6b7] This helps White to conquer the c-file. Other moves are considerably weaker and allow Black to achieve full equality quickly by placing a rook on c8. Dies verhilft Wei?zur Eroberung der c-Linie. Andere Z黦e sind betr鋍htlich schw鋍her und erlauben Schwarz, schnell vollen Ausgleich zu erreichen, indem er einen Turm nach c8 stellt.} Qxc6 17. Rxc6 Bb4 18. Rfc1 {The control of the c-file is by far the most important factor in the position, which secures for White a stable and long-lasting advantage. For instance the fact that Black has a "good" bishop versus a "bad" one is of practically no importance here. Die Kontrolle der c-Linie ist bei weitem der wichtigste Faktor in der Stellung, welcher Wei?einen stabilen und lang anhaltenden Vorteil sichert. Zum Beispiel ist die Tatsache, dass Schwarz einen "guten" L鋟fer gegen einen "schlechten" hat, hier von praktisch keiner Bedeutung.} Rfb8 19. Nf4 Nxe5 20. dxe5 Ne8 21. Nd3 Be7 22. f4 g6 23. g4 {Black's pieces are paralysed and in order to make progress in such positions White needs to open a second front, since his pieces can always switch more quickly to the required part of the board. Die Figuren von Schwarz sind paralysiert, und um in solchen Stellungen Fortschritte zu machen, muss Wei?eine zweite Front er鰂fnen, da seine Figuren jederzeit schneller zum ben鰐igten Brettabschnitt wechseln k鰊nen.} Ng7 24. Bd4 a5 25. Kf2 {Another instructive moment: before starting any concrete operations White centralises the king. In positions with no counterplay for the opponent it always makes sense to improve as much as possible all one's pieces. Wieder ein lehrreicher Moment: Bevor er irgendwelche konkreten Operationen beginnt, zentralisiert Wei?den K鰊ig. In Stellungen ohne Gegenspiel f黵 den Gegner ist es immer sinnvoll, s鋗tliche eigenen Figuren so sehr wie m鰃lich zu verbessern.} Kf8 26. Ke2 Ne8 (26... Ke8 {would have changed nothing. White is winning: h鋞te nichts ge鋘dert. Wei?gewinnt:} 27. Bc5 $5 Bxc5 (27... Rc8 28. Bd6 Rxc6 29. Rxc6 $18 {[%cal Gc6c7,Gd3c5]}) (27... Kd7 28. Bd6 $18) 28. Nxc5 Rc8 (28... Kd8 29. Rd6+ Ke8 30. Na6 Rc8 31. Nc7+ Ke7 32. Rdc6 $18 {[%cal Gc7d5,Gc7b5]}) 29. Ne4 $5 {It is no wonder that in a position with huge advantage White can also make full use of tactics to achieve his goals. Es ist kein Wunder, dass in einer Stellung mit riesigem Vorteil Wei?auch die Taktik voll nutzen kann, um seine Ziele zu erreichen.} Rxc6 30. Nf6+ Kd8 31. Rxc6 h6 32. Rd6+ Ke7 33. Rd7+ Kf8 34. Rb7 b4 35. Kd3 $18) 27. f5 $1 gxf5 28. gxf5 exf5 29. Nc5 {[%cal Rc5d7,Rd7b8,Rd7f8]} Bxc5 30. Bxc5+ Kg7 31. Rg1+ {As mentioned before: White moves around his pieces easily. Now he uses the second open file in his favour. Black is completely lost. Wie bereits erw鋒nt: Wei?bewegt seine Figuren mit Leichtigkeit umher. Jetzt nutzt er die zweite offene Linie zu seinen Gunsten. Schwarz ist komplett verloren.} Kh8 32. Bd4 {[%cal Rd4h8,Re5e6]} Rb7 33. e6+ f6 (33... Ng7 34. Rxg7 $18 (34. Bxg7+ Kg8 35. Bh6+ (35. Bf6+ Kf8 36. Rg7 Ke8 37. Rxh7 Raa7) 35... Kh8)) 34. Rg5 {[%cal Rg5f5,Rf5f6]} h6 35. Rxf5 Kg7 (35... Rd8 36. Rxf6 Nxf6 37. Bxf6+ Kg8 38. Bxd8 $18) 36. Rxd5 Kg6 37. Rd7 {In time trouble White starts to play inaccurately. In Zeitnot beginnt Wei? ungenau zu spielen.} (37. Rc1 $1 { [%cal Gc1g1]} Rab8 38. Rg1+ Kh7 39. Rd7+ Kh8 40. Rg6 {wins immediately. gewinnt sofort.}) 37... Rbb8 38. e4 Rc8 39. Rxc8 Rxc8 40. Be3 Rc2+ 41. Rd2 Rc6 42. e7 Rc7 43. Rd5 Rxe7 44. Rxb5 Rxe4 45. Rxa5 Rh4 46. Ra8 Ng7 47. a4 Rxh3 48. b4 Kf5 49. a5 Ne6 50. a6 Ke4 51. Bb6 Rh2+ 52. Kf1 Rh1+ 53. Kg2 Ra1 54. Re8 Ra2+ 55. Kg3 Ra3+ 56. Kf2 Ra2+ 57. Kg3 Ra3+ 58. Kf2 Ra2+ 59. Ke1 Rxa6 60. Rxe6+ Kf5 61. Rc6 Ra4 1-0 [Event "Candidates Tournament"] [Site "Zuerich"] [Date "1953.09.08"] [Round "6"] [White "Taimanov, Mark E"] [Black "Averbakh, Yuri L"] [Result "1-0"] [ECO "E55"] [Annotator "Rogozenco,Dorian"] [SetUp "1"] [FEN "3q1rk1/3r1p1p/1p2p1pQ/2p1P3/2P1b3/4P3/1B3PPP/R2R2K1 w - - 0 24"] [PlyCount "21"] [EventDate "1953.08.30"] [EventType "tourn"] [EventRounds "30"] [EventCountry "SUI"] [SourceTitle "CBM 154"] [Source "ChessBase"] [SourceDate "2013.05.15"] [SourceVersion "1"] [SourceVersionDate "2013.05.15"] [SourceQuality "1"] {[#]} {[%tqu "En","How should White proceed?","","","d1d6","A classical example of using the outpost. Just like Nimzowitsch wrote: 'An outpost is a piece estabished on an open file in enemy territory and protected by a pawn. This piece will exercise a disturbing influence and will cause the opponent to weaken his position'. Specifically here: by exchanging on d6 Black opens the long diagonal for the white bishop and creates for White a passed pawn on the d-file.",5,"De","Wie soll Wei?fortsetzen?","","","d1d6","Ein klassisches Beispiel, wie man den Vorposten ausnutzt. Genau wie Nimzowitsch schrieb: 'Ein Vorposten wird auf einer offenen Linie im Feindesland etabliert und durch einen Bauern gedeckt. Diese Figur wird einen st鰎enden Einfluss aus黚en und den Gegner dazu veranlassen, seine Stellung zu schw鋍hen'. Hier speziell: Der Turm auf d6 ist offensichtlich sehr unangenehm f黵 Schwarz, aber durch das Tauschen auf d6 schw鋍ht Schwarz seine Stellung. Das wei遝 Zur點kschlagen exd6 wird die lange Diagonale f黵 den L鋟fer 鰂fnen, und es verschafft Wei?einen Freibauern auf der d-Linie.",5]} 24. Rd6 $1 $16 {[%cal Rd6b6,Rb2g7,Rh6g7,Ra1d1] A classical example of using the outpost. Just like Nimzowitsch wrote: "An outpost is a piece established on an open file in enemy territory and protected by a pawn. This piece will exercise a disturbing influence and will cause the opponent to weaken his position". Specifically here: the rook on d6 is obviously very unpleasant for Black, but by exchanging on d6 Black weakens his position: White's recapture exd6 will open the long diagonal for the bishop and it creates for White a passed pawn on the d-file. Ein klassisches Beispiel, wie man den Vorposten ausnutzt. Genau wie Nimzowitsch schrieb: "Ein Vorposten wird auf einer offenen Linie im Feindesland etabliert und durch einen Bauern gedeckt. Diese Figur wird einen st鰎enden Einfluss aus黚en und den Gegner dazu veranlassen, seine Stellung zu schw鋍hen". Hier speziell: Der Turm auf d6 ist offensichtlich sehr unangenehm f黵 Schwarz, aber durch das Tauschen auf d6 schw鋍ht Schwarz seine Stellung. Das wei遝 Zur點kschlagen exd6 wird die lange Diagonale f黵 den L鋟fer 鰂fnen, und es verschafft Wei?einen Freibauern auf der d-Linie.} Bb7 ({After Nach} 24... Rxd6 25. exd6 f6 {White makes full use of another open file: zieht Wei?vollen Nutzen aus einer anderen offenen Linie:} 26. Ra7 $18 {[%cal Ra7h7,Rh6g7,Rh6h7]} Rf7 {Stockfish 310121:} 27. Rxf7 Kxf7 28. Qxh7+ Ke8 29. d7+ Qxd7 30. Qh8+ Ke7 31. Qxf6+ Ke8 32. Qh8+ Kf7 33. h4 Bd3 34. Be5 Bxc4 35. Qh7+ Ke8 36. Qg8+ Ke7 37. Qxg6 Qd2 38. Qg7+ Ke8 39. Kh2 Qd8 40. Qg4 Qd5 41. Qf4 Bd3 42. f3 Qd7 43. e4 Qf7 44. Qe3 Bc4 45. Qh6 Kd7 46. h5 b5 47. Qh8 Kc6 48. Qc8+ Kb6 {[%eval 446,29] [%wdl 1000,0,0]} ) 25. Rad1 ({Actually White could still make full use of his rook on the a-file: Tats鋍hlich konnte Wei?seinen Turm in der a-Linie noch immer voll ausnutzen:} 25. h4 $1 Rxd6 26. exd6 f6 27. h5 (27. Ra7 Rf7) 27... g5 {and now the rook arrives on the seventh rank: und jetzt landet der Turm auf der siebten Reihe:} 28. Ra7 Rf7 29. Bxf6 Qxf6 30. Qxf6 Rxf6 31. Rxb7 $18) 25... Rxd6 26. exd6 $16 f6 27. d7 Bc6 28. h4 Bxd7 29. h5 gxh5 30. e4 {[%cal Ge4f5, Rf2f4]} e5 31. f4 {Opening the diagonal for the bishop. 謋fnet die Diagonale f黵 den L鋟fer.} exf4 (31... Qe7 32. fxe5 fxe5 33. Bxe5 Qxe5 34. Rxd7 $18) 32. Rd6 {[%cal Rd6b6,Rd6f6,Rh6f6,Rb2f6,Gf8f6,Gd8f6]} Qe8 33. Bxf6 Rf7 34. Rd5 { [%cal Rd5g5]} 1-0 [Event "Prague Masters 2nd"] [Site "Prague"] [Date "2020.02.21"] [Round "9"] [White "Duda, Jan Krzysztof"] [Black "Vidit, Santosh Gujrathi"] [Result "1-0"] [ECO "D38"] [WhiteElo "2755"] [BlackElo "2721"] [Annotator "Duda,Jan Krzysztof"] [PlyCount "67"] [EventDate "2020.02.12"] [EventType "tourn"] [EventRounds "9"] [EventCountry "CZE"] [EventCategory "19"] [SourceTitle "CBM 195"] [Source "ChessBase"] [SourceDate "2020.04.30"] [SourceVersion "1"] [SourceVersionDate "2020.04.30"] [SourceQuality "1"] {[%evp 0,67,31,25,34,-3,0,0,-11,6,21,-20,-20,-20,-14,-14,1,13,34,34,38,0,0,5,5, 16,6,14,7,-6,-2,-3,-17,-11,-12,-7,-18,9,13,22,12,41,43,23,43,43,39,47,38,37,66, 55,92,92,103,103,91,101,79,-3,179,97,271,10,569,574,709,772,2361,2500]} { This game was played under very specific circumstances. It was the last round of the tournament, played one hour earlier than usual. My opponent had a great tournament scoring +3 and it seemed to everyone that he was clearly going to win the competition. However, in the 8th round something apocalyptic happened to him, because he lost a-not-possible-to-lose game against David Navara. Vidit was clearly winning before the time control, and later he had an endgame with a plus pawn which was drawn. Not being able to settle for a draw, he overpushed and lost. I on the other hand had a mediocre tournament, winning in the 1st round a cool game against David Navara, but losing in round 7 a traumatic game to Alireza Firouzja, where after 15 moves I was basically busted with White. I was happy though to play with White against Vidit in the last round, because I have never had a chance to play an official game against him (with White). Considering our history, and more importantly his game against David, it felt as if I was going to win an easy game. Obviously such thinking is hardly dangerous, and I had to keep my composure, not letting my emotions take over} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 ({Here is the aforementioned apocalypse of Vidit:} 3... b6 4. a3 Bb7 5. Bf4 d5 6. cxd5 Nxd5 7. Bg3 Nd7 8. e4 N5f6 9. e5 Nh5 10. Nc3 Be7 11. Bc4 a6 12. d5 exd5 13. Bxd5 Nxg3 14. hxg3 c6 15. Bxf7+ Kxf7 16. e6+ Kxe6 17. Qe2+ Kf7 18. O-O-O Bf6 19. Ne4 Qe7 20. Nd6+ Kf8 21. Qxe7+ Bxe7 22. Nxb7 Nf6 23. Ne5 Nd5 24. Kb1 Rc8 25. Rhe1 Bxa3 26. Nxc6 Bb4 27. Nxb4 Nxb4 28. Rd7 h5 29. Nd6 Ra8 30. Ree7 Rh7 31. Ne4 Rh6 32. Rxg7 Rd8 33. b3 Rxd7 34. Rxd7 a5 35. f3 Rc6 36. Rd2 Kf7 37. Kb2 Ke6 38. Nc3 Rd6 39. Re2+ Kf5 40. Ne4 Rd1 41. Nc3 Rd3 42. Nb1 Nd5 43. Kc2 Nb4+ 44. Kb2 Nd5 45. Na3 Ne3 46. Nc4 Nxc4+ 47. bxc4 a4 48. Kc2 Rb3 49. Rd2 Rb4 50. Kc3 Rb3+ 51. Kc2 Rb4 52. Kc3 Rb3+ 53. Kd4 a3 54. Ra2 Ke6 55. c5 b5 56. g4 hxg4 57. fxg4 b4 58. g5 Rb2 59. Ra1 a2 60. g6 b3 61. c6 Rc2 62. Rf1 b2 63. g7 Rxg2 64. c7 Kd7 {0-1 (64) Vidit, S (2721)-Navara,D (2717) Prague CZE 2020}) 4. Nc3 Bb4 {He is a very keen Ragozin player, sometimes only varying with the Grunfeld Defence.} 5. Qa4+ Nc6 6. e3 O-O 7. Qc2 Re8 8. Bd2 a6 {The setup with a6-Bd6 is a flagship of Vidit. My preparation for this game was frankly quite limited, but obviously I knew my stuff in other lines too.} (8... Bd6 9. h3 (9. c5 $1 {is strong for White here and secures a long term edge.}) 9... a6 10. a3 Bd7 11. Be2 dxc4 12. Bxc4 h6 13. g4 e5 14. g5 $1 $40 {was a nice assault in Radjabov,T (2757)-Vidit,S (2695) Wijk aan Zee 2019, 1-0 (36).}) 9. a3 Bd6 10. O-O-O $5 {This is the prepared idea. It's clearly risky, but as said I was having a bigger blunder margin than normally.} (10. h3 {and}) (10. Rd1 {are more common moves}) 10... Bd7 {This looks the most logical, but Black has playable alternatives too:} ( 10... dxc4 11. e4 {[%cal Re4e5] 更有力量些。} (11. Bxc4 b5 12. Bd3 Bb7 $13 (12... b4)) 11... e5 12. dxe5 Nxe5 13. Nxe5 Bxe5 14. Bg5 Bd4 (14... Bd7 15. Bxc4 Qc8) 15. Nd5 $6 (15. Bxc4 c5 16. Nd5 {would be the correct move order.}) 15... c5 $6 (15... c6 $1 16. Rxd4 (16. Nxf6+ gxf6 17. Be3 Bxe3+ 18. fxe3 Qb6 $17) (16. Bxf6 Bxf6 17. Nxf6+ Qxf6 18. Bxc4 b5 19. Ba2 c5 $132) 16... cxd5 17. Rxd5 Qb6 {with a messy position where Black is fine.}) 16. Bxc4 Be6 $13 { with sharp play as seen in Aizpurua,P (2348)-Cruz,C (2567) Guatemala City GUA 2020, 0-1 (41).}) (10... b5 $6 11. cxd5 exd5 12. Nxd5 Nxd5 13. Qxc6 { 白方多一个兵，优势。 It is debatable if Black has enough compensation for the pawn.}) (10... Rb8) 11. c5 { 我个人不大喜欢这个想法，不大喜欢处理这种封闭的局面} ( 11. e4 $5 {似乎更为有趣！ is another possibility, but I didn't go for it because it's more forcing. After} dxe4 12. Nxe4 Nxe4 13. Qxe4 e5 14. Ng5 ({ 我个人较为喜欢走} 14. d5 Nd4 15. Nxd4 exd4 16. Qxd4 Be5 17. Qd3 Qf6 18. Bc3 Qxf2 19. Bxe5 Rxe5 $15) 14... g6 15. c5 (15. Qh4 h5 16. c5 Be7 {is the same.}) 15... Be7 16. Qh4 h5 17. Bc4 {Black has many playable moves, probably the most entertaining being} Nxd4 18. Qg3 (18. Nxf7 $2 {不好 is bad:} Bxh4 19. Nxd8+ Kh7 20. Nxb7 $6 Bc6 21. Na5 Bxg2 $17 {黑方的马双象非常活跃 and Black is close to winning.}) 18... Bf5 19. Nxf7 Qd5 $1 20. Qc3 Qxc5 $11 { and it's all equal according to the engine.}) {Now we get more or less a forced sequence.} 11... Bf8 12. e4 dxe4 13. Nxe4 Nxe4 14. Qxe4 Ne7 15. Bd3 g6 16. Ne5 Bc6 $6 (16... Ba4 {杜达认为这是黑方唯一的选择！ was the only move I had analysed. The variation goes} 17. Qf3 {[%cal Rf3f7]} Nf5 18. g4 Bxd1 {and I would have to decide between} 19. Kxd1 ({or} 19. Rxd1 Nh6 {playing for compensation.}) 19... Qxd4 20. Bc3 Qd5 21. gxf5 Qxf3+ 22. Nxf3 exf5 { 局面不清晰 with an unclear endgame.}) ({But it seems Black can also play slowly:} 16... Bg7 17. Qf4 Rf8 {Stockfish 221020:} 18. Bc2 Bc6 19. h4 h5 20. Nxc6 bxc6 21. g4 Rb8 22. gxh5 Qd5 23. Kb1 Qxh5 24. Qe4 Rfe8 25. Kc1 Bf6 26. Ba5 Rb7 27. Rd3 Kg7 28. Bd1 Qf5 29. Qxf5 Nxf5 30. Bc3 Nxh4 31. Ba4 $11 {[%eval 9, 26]}) ({or} 16... Nc6) 17. Qf4 Nf5 {[%tqu "En","","","","g2g4","This is very important. Black is not only forced to withdraw his beautiful knight but also, no less importantly, to exchange his bishop, the main defender of the black monarch.",10]} 18. g4 $1 {This is very important. Black is not only forced to withdraw his beautiful knight but also, no less importantly, to exchange his bishop, the main defender of the black monarch.} Bh6 {[%cal Rh6f4]} (18... Qxd4 $2 19. gxf5 Qxf4 20. Bxf4 Bxh1 21. fxg6 hxg6 22. Rxh1 $16 { 白方的轻子较为活跃 Two pieces are clearly stronger than a rook here.}) 19. Nxc6 bxc6 20. Qe4 Bxd2+ 21. Rxd2 Ne7 22. Bc4 Nd5 {[%tqu "En","","","", "h2h4","",10]} 23. h4 $1 $16 Qf6 {I considered my position to be better, but now spent a lot of time choosing between many promising possibilities.} 24. h5 (24. Rh3) (24. Kb1) ({and} 24. f4 {are the other moves I gave a thought.}) 24... e5 ({I was the most afraid of this move, but saw that at the very least I had 25.Qe5 with the better endgame} 24... Qg5 25. hxg6 (25. Qe5 $5 Qxe5 26. dxe5 {I wasn't sure that Black couldn't create any sort of fortress, but obviously this endgame is hardly depressing to play with Black.} a5 27. h6 (27. b3 $5 {not allowing a4.}) 27... a4 28. Rc2 Ra5 29. Bd3 Kf8 (29... f6)) 25... fxg6 {is better, but now Black has created a huge weakness on e6 for himself.} (25... hxg6 26. f4 $1 {I didn't calculate well enough here.} Qxg4 (26... Nxf4 27. Rdh2 Kf8 28. Kb1 Nd5 29. Qf3 $18) 27. Qe5 f6 28. Qe1 Qxf4 29. Rh4 Qg5 30. Qh1 f5 31. Qh2 $40 {and apparently White's attack is very strong here.}) 26. f3 Re7 27. Qd3 {is the idea, to unpin the rook with Kb1.}) (24... g5 25. h6 Qf4 26. Bd3 {White again has various alternatives.} Qxe4 27. Bxe4 $16 {and White has additional target on h7 as well.}) (24... a5 25. hxg6 fxg6 26. f4 $40) 25. Kb1 ({For some reason this is considered better by the engine:} 25. Re2 Qg5+ 26. Kb1 exd4 27. Qxd4 (27. Qxe8+ Rxe8 28. Rxe8+ Kg7 29. h6+ Qxh6 30. Rxh6 $18) 27... Rxe2 28. Bxe2 Qf6 29. Rd1 $16) 25... Rad8 $2 {It's rather surprising, but actually this is the losing mistake. Black had other resources which obviously would keep him in the game, but his position would be worse in any case.} (25... Rab8) (25... Kg7) (25... exd4 26. Qxd4 Qf3 (26... Rad8 27. Rhd1)) (25... Qf4 {这是最为积极的想法} 26. Qxf4 (26. Re2 $5 exd4 27. Qxf4 Nxf4 28. Rxe8+ Rxe8 29. Bxa6 $16) 26... exf4 27. Re2) 26. Re2 $1 $18 {Now Black is stuck, and he can't avoid material losses.} Nf4 (26... exd4 27. Qxe8+ Rxe8 28. Rxe8+ Kg7 29. h6# $1 {is the key, making all the difference!}) 27. Re3 (27. Ree1 {is also good. There is no avoiding dxe5.}) 27... Nd5 28. hxg6 hxg6 ( 28... Qxg6 29. Qxg6+ hxg6 30. Rxe5 $18 {白方多兵，胜势}) 29. Reh3 $18 { This nice rook switch is the nail in his coffin. Basically the game is over by this stage, although I still managed to make a mistake in the process.} Kf8 30. Bxa6 $5 {Not the most precise, but he was in severe time trouble, and usually such slow moves are very difficult to meet. Besides a pawn is a pawn :)} Qxf2 31. Rf3 $6 {I had a 50/50 choice and missed.} (31. Rf1 $1 {wins on the spot. The difference is that now there is no Rb8!} Qxd4 {[%tqu "En","","","","e4g6", "",10]} 32. Qxg6 Qd1+ {[%cal Rg6f7] Extra trick.} 33. Ka2 Qxf1 (33... Nb4+ 34. axb4 Qa4+ 35. Ra3 $18) 34. Qh6+ Ke7 35. Bxf1 $18 {I had seen that far, but thought Rf3 to be simpler.}) {[%tqu "En","","","","f2d4","",0,"d8b8","would have been a huge surprise, even though I don't think I would hash it up. After the pretty natural variation",10]} 31... Qxd4 (31... Rb8 $1 {would have been a huge surprise, even though I don't think I would hash it up. After the pretty natural variation} 32. Rxf2 Nc3+ 33. Kc2 Nxe4 34. Re2 $1 {is the only winning move, with the idea that} exd4 {meets} (34... Ng3 35. Rh8+ Kg7 36. Rxe8 Rxe8 37. Rxe5 $16) {[%tqu "De","~/=׷1/2�ⲽ��dzQ�","","","e2e4","",10]} 35. Rxe4 $1 $18 {[%cal Rh1h8,Rh8b8]}) 32. Qxg6 Nf4 (32... Nc3+ {无济于事} 33. bxc3 Rb8+ 34. Ka1 $18 {[%cal Gc3d4]}) 33. Qf6 {[%cal Gf6e7,Gf6g7,Rf8e7,Rf8g7, Rh1h8]} Qe4+ 34. Bd3 {[%cal Rh1h8] 挡住黑方车d1的威胁，黑方挡不住车h8的杀棋 and checkmate is unavoidable. This win put me on +1 score, and this was enough to share the 1st place.} 1-0