[Event "84th Tata Steel Masters"] [Site "Wijk aan Zee NED"] [Date "2022.01.17"] [Round "3.1"] [White "Duda, Jan-Krzysztof"] [Black "Carlsen, Magnus"] [Result "1/2-1/2"] [ECO "C88"] [WhiteElo "2760"] [BlackElo "2865"] [Annotator "Monokroussos,Dennis"] [PlyCount "75"] [EventDate "2022.01.15"] {[%evp 0,75,58,14,28,19,24,15,16,-13,4,-11,19,-10,-6,-5,11,-11,43,44,43,29,41, 16,14,9,39,40,36,26,36,41,55,39,79,32,37,35,66,72,76,68,91,84,110,94,122,114, 109,90,103,80,126,120,105,95,105,82,94,42,35,47,86,55,68,61,76,64,66,71,65,64, 107,71,63,54,54,34]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. a4 Rb8 9. axb5 axb5 10. h3 d6 11. c3 b4 12. d3 bxc3 13. bxc3 h6 {Varying from his play against Nepo a couple of months back, but following Duda's own example from a few weeks ago in the Blitz World Championship.} ( 13... d5 14. Nbd2 dxe4 15. dxe4 Bd6 16. Qc2 h6 17. Nf1 Ne7 18. Ng3 Ng6 19. Be3 Qe8 20. Red1 Be6 21. Ba4 Bd7 22. Nd2 Bxa4 23. Qxa4 Qxa4 24. Rxa4 Ra8 25. Rda1 Rxa4 26. Rxa4 Rb8 27. Ra6 Ne8 28. Kf1 Nf8 29. Nf5 Ne6 30. Nc4 Rd8 31. f3 f6 32. g4 Kf7 33. h4 Bf8 34. Ke2 Nd6 35. Ncxd6+ Bxd6 36. h5 Bf8 37. Ra5 Ke8 38. Rd5 Ra8 39. Rd1 Ra2+ 40. Rd2 Ra1 41. Rd1 Ra2+ 42. Rd2 Ra1 43. Rd1 {1/2-1/2 (43) Nepomniachtchi,I (2782)-Carlsen,M (2855) Dubai 2021}) 14. Be3 $146 (14. Nbd2 Nh7 15. Bc4 Ng5 16. Bd5 Bd7 17. Ra6 Qe8 18. Nxg5 Bxg5 19. Nf3 Bxc1 20. Qxc1 Ne7 21. Ba2 Bb5 22. Ra3 Bxd3 23. c4 Ra8 24. Re3 Rxa3 25. Qxa3 Bc2 26. c5 Qa8 27. cxd6 Qxa3 28. Rxa3 cxd6 29. Nd2 Nc6 30. Nc4 Rd8 31. f3 Nb4 32. Ne3 Nxa2 33. Nxc2 Nc1 34. Kf2 Rb8 35. Ke1 Nb3 36. Ra6 Rd8 37. Ne3 Nc5 38. Rc6 Nd3+ 39. Kf1 g6 40. Nc4 d5 41. exd5 Rxd5 42. Ne3 Rd8 43. h4 h5 44. Nc4 Kg7 45. g3 Rd5 46. Ke2 Nc1+ 47. Ke3 Nb3 48. Rb6 Nc5 49. Rc6 Ne6 50. Rb6 Rc5 51. Nd6 Rc3+ 52. Ke4 Nc5+ 53. Kd5 Ne6 54. Rb7 Rxf3 55. Kxe5 Nf8 56. Ne8+ Kh6 57. Nd6 Kg7 58. Ne8+ Kh8 59. Ke4 Rf1 60. Nd6 Kg8 61. Rb8 Kg7 62. Rb7 Ne6 63. Ne8+ Kf8 64. Nd6 Nc5+ { 0-1 (64) Ter Sahakyan,S (2637)-Duda,J (2760) Warsaw 2021}) 14... Re8 15. Nbd2 Bf8 16. Qc2 Be6 17. Bxe6 Rxe6 18. d4 exd4 19. Nxd4 Nxd4 20. cxd4 Qe8 21. d5 Re7 {As in his game vs. Nepo (see above) Black's position looks miserably cramped, but Black's position is annoyingly resilient.} 22. Ra4 Rb2 (22... c6 $142 23. dxc6 Rc8 24. Ra6 Rec7 25. Rc1 Nd7 {followed by knight somewhere (most likely e5 or c5) will regain the pawn and leave White with at most a token plus.}) 23. Qxb2 Qxa4 24. Bd4 (24. f3 $14) 24... Nh5 25. Ra1 $14 Qd7 (25... Qe8 $142) 26. Qc3 (26. Qc2 $142 $1 $16 {was better, a/the key point being that} Nf4 {is now pointless due to} 27. Be3 $18) 26... Nf4 27. Qf3 Ng6 28. Rc1 (28. Ra8 $14) 28... Qa4 29. Qd3 f5 $1 {Black is not going to wait around for White to regroup.} 30. g3 (30. exf5 $2 Nf4 31. Qc4 Qxc4 32. Rxc4 Nxd5 $17) 30... fxe4 31. Nxe4 Qe8 32. Nc3 Re1+ 33. Rxe1 Qxe1+ 34. Kg2 Qe8 35. Qb5 Qc8 36. Qd3 Ne7 37. Qe4 c6 38. dxc6 1/2-1/2 [Event "84th Tata Steel Masters"] [Site "Wijk aan Zee NED"] [Date "2022.01.17"] [Round "3.2"] [White "Dubov, Daniil"] [Black "Vidit, Santosh Gujrathi"] [Result "0-1"] [ECO "C50"] [WhiteElo "2720"] [BlackElo "2727"] [Annotator "Monokroussos,Dennis"] [PlyCount "74"] [EventDate "2022.01.15"] {[%evp 0,74,22,24,22,22,22,28,15,15,13,0,10,-26,-22,-19,-19,-55,-14,-24,-8,-10, 54,34,31,-17,13,-3,-12,-13,-21,-5,-17,-23,1,6,-22,11,35,-47,61,4,85,65,105,127, 112,396,396,168,37,0,0,0,0,0,0,0,0,-11,-61,-27,0,0,0,-189,-297,-318,-322,-322, -324,-492,-559,-558,-587,-596,-510]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 d6 6. Bg5 h6 7. Bh4 a5 8. Na3 $146 {Dubov finds something new and creative, as usual. Putting a knight on a3 is a known idea - we saw it in the Carlsen-Nepo match, for instance - among other things, the knight can swing around to e3, which we all know and love via the d2-f1 route. But it is new here, and provocative, inviting Black to swap and mess up White's structure.} ( 8. O-O) (8. Nbd2 {are fine, conventional options.}) 8... Bxa3 {A good move, though not the only one.} 9. bxa3 Qe7 (9... Be6 $142) 10. O-O Nb8 $6 (10... a4 {followed by ...Be6 was a good alternative.}) ({Likewise} 10... O-O {followed by ...Be6 or ...Nd8-e6. For that matter, there's nothing so wrong with}) (10... Be6 {straight away.}) 11. d4 $14 Nbd7 12. Rb1 $6 (12. h3) (12. Nd2) 12... g5 13. Bg3 Nxe4 $11 14. Qc2 f5 $6 (14... Nxg3 15. fxg3 Nb6 16. Bb5+ Bd7 17. Bxd7+ Qxd7 18. dxe5 O-O-O 19. exd6 Qxd6 20. Qf5+ Kb8 21. Qxa5 Rhe8 $44 {looks fun. White has open lines on the queenside and an extra pawn; Black has nicely placed pieces and a far better pawn structure in return.}) 15. dxe5 dxe5 16. Rfe1 $16 {Black is in trouble here, thanks obviously to his king which is stuck in the center. But can White get around Black's wall of pawns?} Nxg3 $8 17. hxg3 e4 18. g4 $1 Nc5 $8 19. Nd4 Rf8 20. gxf5 Bxf5 21. Rxb7 Rf6 $1 { Black is finding all the only-moves, and continues to hang on by a thread. The point of this move is to meet Bb5+ with ...Kf8 (or even ...Kf7) without dropping the bishop.} 22. Qb1 (22. Rb5 c6 23. Rb6 Qc7 24. Nxf5 (24. Reb1) 24... Qxb6 25. Rxe4+ Kf8 $8 26. Re1 Qc7 $8 27. Nxh6 Re8 $8 28. Rxe8+ Kxe8 $11 { is another approach for White, where once again Black is skating on the edge of the precipice.}) 22... Nxb7 23. Qxb7 (23. Nxf5 Rxf5 24. Rxe4 Re5 25. Qxb7 Rxe4 26. Qxa8+ Kd7 27. Qd5+ $11 {results in an immediate perpetual.}) 23... Rd8 24. Nxf5 Rxf5 25. Rxe4 Rd1+ $8 (25... Re5 $4 26. Qc6+ Rd7 27. Qg6+ Kd8 28. Qg8+ Qe8 29. Rxe5 $18) 26. Kh2 Re5 27. Qc6+ Kd8 28. Qa8+ Kd7 29. Bb5+ $8 Ke6 30. Qc8+ Kf6 31. Qh8+ Kf5 32. f3 $2 {I don't know if Dubov was still playing for a win, or if he missed the draw. Either way, this move loses.} (32. Qc8+ $1 { kept the draw. The key point is that the rook cannot be captured:} Kxe4 $4 33. Qg4+ Kd5 34. Qc4+ Kd6 35. Qc6#) 32... Rxe4 33. fxe4+ Kxe4 34. Qa8+ Ke3 35. Bc6 Qe5+ 36. g3 g4 37. Qa7+ Kd2 {White has no perpetual or anything close to it, and no chance to survive by other means.} 0-1 [Event "84th Tata Steel Masters"] [Site "Wijk aan Zee NED"] [Date "2022.01.17"] [Round "3.3"] [White "Caruana, Fabiano"] [Black "Shankland, Sam"] [Result "1/2-1/2"] [ECO "C67"] [WhiteElo "2792"] [BlackElo "2708"] [Annotator "Monokroussos,Dennis"] [PlyCount "139"] [EventDate "2022.01.15"] {[%evp 0,139,24,22,22,16,18,18,11,11,20,52,55,63,88,66,58,66,61,50,50,55,63,63, 65,55,61,40,40,25,61,68,71,35,81,81,78,58,37,22,15,43,54,49,54,53,32,19,32,33, 33,32,42,31,36,17,21,3,41,-5,11,11,16,-6,35,32,31,31,44,39,53,33,53,46,35,28, 35,38,33,22,33,33,25,0,0,0,0,20,24,19,13,13,0,0,8,12,16,21,0,0,45,33,41,48,40, 40,35,30,45,45,40,47,48,12,18,0,0,0,0,0,0,-8,-33,-48,-44,-47,-27,-64,-67,-75, -63,-64,-62,-62,-57,-52,-64,-70,-60,-42,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. h3 Ke8 10. Nc3 h5 11. Bf4 Be7 12. Rad1 Be6 13. b3 Rd8 14. Rxd8+ Bxd8 15. Rd1 Be7 16. g3 Rg8 17. Ng5 Bc8 18. Nce4 c5 19. c3 b6 20. Re1 Bd8 21. f3 Rf8 22. Kf2 Ne7 {Perhaps inaccurate, but nothing too terrible.} (22... Rh8 $142) 23. g4 (23. Nf6+ $1 gxf6 24. exf6 Kd7 25. fxe7 Bxe7 26. h4 {favors White, but it's not a big plus after} (26. c4 Bxg5 27. Bxg5 Re8 $14 {also favors White. The opposite-colored bishops don't guarantee that Black will draw, but they do help.}) 26... b5 $14) 23... hxg4 24. hxg4 Ng6 {From here the game was well-played by both sides, and as far as I can tell neither side missed anything significant.} 25. Bg3 Rh8 26. c4 Nf8 27. Kg2 a5 28. Bf4 Bd7 29. Bd2 a4 30. Nc3 axb3 31. axb3 Bxg5 32. Bxg5 Ne6 33. Be3 Bc6 34. Nd5 g5 35. Rd1 Kf8 36. Kg3 Kg7 37. Ne7 Bb7 38. Nf5+ Kg6 39. Ne7+ Kg7 40. Nf5+ Kg6 41. Re1 f6 42. exf6 Kxf6 43. Bc1 Rd8 44. Bb2+ Kf7 45. Re3 Bc8 46. Be5 Rd2 47. f4 gxf4+ 48. Bxf4 Rd1 49. Be5 Kf8 50. Kf2 Rh1 51. Rd3 Rh7 52. Kg3 Rd7 53. Re3 Rd1 54. Kf2 Rh1 55. Rd3 Rh7 56. Rd1 Bb7 57. Bg3 Be4 58. Re1 Bxf5 59. gxf5 Nd4 60. f6 Rh6 61. Bxc7 Rxf6+ 62. Kg2 Rc6 63. Bf4 Nxb3 64. Re4 Rf6 65. Kg3 Kf7 66. Kg4 Rg6+ 67. Bg5 Na5 68. Re7+ Kf8 69. Rd7 Nxc4 70. Kf5 1/2-1/2 [Event "84th Tata Steel Masters"] [Site "Wijk aan Zee NED"] [Date "2022.01.17"] [Round "3.4"] [White "Van Foreest, Jorden"] [Black "Praggnanandhaa, R."] [Result "1-0"] [ECO "B30"] [WhiteElo "2702"] [BlackElo "2612"] [Annotator "Monokroussos,Dennis"] [PlyCount "111"] [EventDate "2022.01.15"] {[%evp 0,111,22,22,41,41,54,21,22,30,37,-48,-38,-31,-56,-58,-34,-22,-12,-79, -62,-68,-18,-5,8,-10,8,13,1,-9,18,21,17,10,-5,2,28,-5,-3,6,-5,16,27,11,10,4,0, 0,0,0,0,0,86,93,72,78,92,88,100,100,129,67,67,58,73,68,100,87,100,102,132,118, 150,129,135,139,127,96,91,99,94,94,98,104,104,103,106,116,119,105,137,96,114, 113,178,195,236,192,184,195,308,393,405,410,410,410,537,559,846,846,935,487, 1108,1461]} 1. e4 c5 2. Nf3 Nc6 3. Bc4 {I've seen this move at the club level and in online blitz and bullet, but this hasn't been considered a move ready for prime time. Perhaps times have changed?} e6 4. O-O d5 ({Perhaps the preliminary} 4... Nf6 {should be preferred. For now, ...d5 isn't running away.} ) 5. Bb5 $5 {Prior to this game, the highest-rated player to give this a punt was 1600, and after that, 1110. I don't think those stats will remain that way (or as #2 and #3) for very long.} (5. exd5 {is much, much more common.}) 5... dxe4 6. Ne5 Qc7 7. Nxc6 $146 bxc6 8. Bc4 {Black has an extra pawn, but two sets of doubled pawns, an isolated a-pawn, and lags in development. On the other hand, those extra pawns cover some nice squares, to all in all it's about equal.} Bd6 9. Kh1 Nf6 10. Nc3 e5 11. f3 exf3 12. Qxf3 O-O 13. d3 Be6 { Surprising. Is Black already nostalgic for the doubled e-pawns he had just a few moves ago?} (13... Rb8 $142 $11) (13... Kh8 $142 $11) 14. Bxe6 fxe6 15. Bg5 $14 Qd7 (15... Nd5 $142) 16. Bxf6 (16. Qe2 $142) 16... gxf6 17. Ne4 f5 (17... Be7 $142) 18. Nxd6 Qxd6 19. Rae1 f4 20. Re4 Rab8 21. b3 Rb4 22. Rfe1 Rf5 23. Qe2 Rxe4 24. Qg4+ Kh8 25. Rxe4 {White remains somewhat better, but not yet near the vicinity of victory. That changes after Black's next move.} f3 $2 { Well-motivated, but an error. Black returns the extra pawn looking for some activity, but in the end it merely surrenders his only trump.} 26. gxf3 $18 Qf8 27. Qg3 h6 (27... Rf4 $142) 28. Kg2 Qf6 29. Rg4 Kh7 30. Qh4 Qxh4 (30... Rxf3 31. Qxf6 Rxf6 32. Rc4 $18) 31. Rxh4 Rf4 32. Rg4 {If White had to take on f4, Black would be fine. He doesn't, and almost all other king and pawn endings are hopeless for Black.} (32. Rxf4 $4 exf4 $11) 32... h5 33. Rg5 Rf5 34. Rg3 ({ That includes this one.} 34. Rxf5 $1 exf5 35. f4 $1 {Otherwise, Black is fine.} exf4 36. h4 Kg6 37. Kf3 Kf6 38. Kxf4 $18 {Black will be placed in zugzwang very soon, and then the win will be easy.}) 34... Rf4 35. Kf2 (35. Rg5) 35... Rf7 36. Rg5 Rf5 37. Rg1 (37. Rxf5) 37... c4 38. dxc4 (38. bxc4 $1 e4 {is Black's idea, a bit of turnabout is fair play as White joins Black in the gruesome pawn structure club. Turns out it's not gruesome enough.} 39. dxe4 Ra5 40. Ke3 Rxa2 41. Kd4 Rxc2 42. Ke5 Rxc4 43. Kxe6 $18 {is an especially elegant way for White to handle things. His e- and f-pawns are far faster and more dangerous than Black's queenside pawns, especially because his king is fantastic while Black's is cut off and out of play.}) 38... e4 39. Rg3 h4 40. Rh3 Kg6 41. Ke3 exf3 42. Rxf3 {Black's fun is at an end, and even though 38. bxc4 would have been more efficient White is still winning comfortably here.} Ra5 43. a4 Re5+ 44. Kd3 Rg5 45. b4 Rg1 46. b5 c5 47. a5 Rd1+ 48. Ke4 Rd4+ 49. Ke5 Rxc4 50. b6 axb6 51. axb6 Rxc2 (51... Rb4 52. Rb3 $18) 52. Rb3 c4 53. Rb1 c3 54. b7 Re2+ 55. Kd4 c2 56. Rg1+ 1-0 [Event "84th Tata Steel Masters"] [Site "Wijk aan Zee NED"] [Date "2022.01.17"] [Round "3.5"] [White "Giri, Anish"] [Black "Mamedyarov, Shakhriyar"] [Result "1/2-1/2"] [ECO "D11"] [WhiteElo "2772"] [BlackElo "2767"] [Annotator "Monokroussos,Dennis"] [PlyCount "41"] [EventDate "2022.01.15"] {[%evp 0,41,22,35,16,21,24,-14,30,41,35,43,55,50,50,49,60,48,28,25,71,19,27,15, 22,61,95,92,68,68,49,70,61,106,78,113,88,77,90,46,35,62,62,25]} 1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. e3 e6 5. Bd3 Nbd7 6. O-O Be7 7. Nc3 dxc4 8. Bxc4 b5 9. Bd3 b4 10. Na4 Bb7 11. e4 Rc8 12. a3 c5 13. Nxc5 Nxc5 14. dxc5 Bxc5 15. axb4 Bb6 { The game's brevity might have convinced you that the game was either a prearranged draw or an indication that White felt unambitious or at least got absolutely nothing out of the opening. That's understandable...and incorrect.} 16. Bb5+ (16. e5 $142 $16) (16. Qe2 $142 $16) 16... Kf8 17. Qxd8+ (17. Ne5 $142 Bxe4 18. Be3 $16) 17... Rxd8 18. Be3 Bxe4 19. Bxb6 (19. Bc5+ $1) (19. Ng5) 19... axb6 20. Ne5 g5 21. Ra7 (21. Ra7 Bg6 22. Bc4 {is in White's favor, intending a speedy f4, unless Black plays} Rg8 $1 {Still, White could have tried a little before calling it a day.}) 1/2-1/2 [Event "84th Tata Steel Masters"] [Site "Wijk aan Zee NED"] [Date "2022.01.17"] [Round "3.6"] [White "Esipenko, Andrey"] [Black "Karjakin, Sergey"] [Result "1-0"] [ECO "C53"] [WhiteElo "2714"] [BlackElo "2743"] [Annotator "Monokroussos,Dennis"] [PlyCount "83"] [EventDate "2022.01.15"] {[%evp 0,83,24,22,22,16,35,15,15,0,0,-7,10,11,35,-18,9,2,9,6,9,5,27,3,11,-26,4, 18,32,10,20,32,30,8,30,-37,6,7,7,34,47,54,54,29,37,34,28,22,22,36,36,36,26,40, 53,95,126,43,130,106,140,120,117,121,106,185,190,172,190,103,106,106,90,107, 105,107,128,87,91,94,206,214,238,232,249,258]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. O-O h6 7. Re1 O-O 8. h3 a6 9. a4 a5 10. d4 Bb6 11. Bb3 Re8 12. Bc2 Bd7 13. Na3 Qc8 14. Nb5 Na7 15. Na3 Nc6 16. Nb5 Na7 17. c4 Nxb5 18. axb5 exd4 19. Nxd4 c6 20. bxc6 bxc6 21. Bf4 Qa6 22. Bxd6 Qa7 23. c5 Bxc5 24. Bxc5 Qxc5 25. Qd3 g6 26. Rad1 a4 27. Qe3 Qg5 28. f4 Qh4 29. Nf3 Qg3 30. Ne5 Qxe3+ 31. Rxe3 {White has been pressing all game, and still stands better although Black has had his best position in some time. Now, however, Black badly misassesses his next move.} Reb8 $4 (31... Re7 $14) (31... Bc8 $14) 32. Nxd7 Nxd7 33. Rxd7 Rxb2 {Black's rook on b2 and the passed a-pawn tie White down somewhat, but not enough to make up for the sacrificed piece.} 34. Re2 ( 34. Bd3 $142 $1 a3 35. Bc4 a2 36. Bxf7+ Kh8 37. Bxa2 Raxa2 38. Rg3 $18) 34... a3 35. Rd1 a2 36. Ra1 {That's basically the end of Black's play. Now White's king saunters over to the queenside, and it's game over.} c5 37. Kf2 Ra3 38. Ke1 c4 39. Kd2 Rg3 40. Kc1 c3 41. Kd1 h5 42. e5 {Next up: Be4, and the a-pawn drops.} 1-0 [Event "84th Tata Steel Masters"] [Site "Wijk aan Zee NED"] [Date "2022.01.17"] [Round "3.7"] [White "Grandelius, Nils"] [Black "Rapport, Richard"] [Result "0-1"] [ECO "B47"] [WhiteElo "2672"] [BlackElo "2763"] [Annotator "Monokroussos,Dennis"] [PlyCount "62"] [EventDate "2022.01.15"] {[%evp 0,62,24,22,51,39,54,52,40,40,40,38,63,64,63,58,46,29,47,18,15,-2,-34, -26,-35,9,-43,-43,-48,-48,-42,-43,-26,-45,1,-17,-25,0,-26,-51,-61,-78,-61,-58, -45,-35,-24,-44,-19,-83,-94,-132,-43,-89,-69,-115,-17,26,26,-30,-396,-2215, -2743,-29989,-29990]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. g4 h6 7. Be3 Nf6 8. f3 a6 9. Qd2 Ne5 10. f4 $2 $146 {"Newer" does not necessarily mean "better". This novelty is an outright error.} Nc4 $2 (10... Bb4 $1 11. fxe5 ({The attempt to batten down the hatches only makes things worse:} 11. Bd3 $2 Nxe4 $1 {Anyway!} ({The banal} 11... Nexg4 $19 {also wins.}) 12. Bxe4 Nc4 13. Qf2 Nxb2 $19) 11... Nxe4 12. Qd3 Nxc3 13. a3 Ba5 14. b4 Bb6 $17 {Black is up a pawn, with a better game to boot.}) 11. Bxc4 Qxc4 12. e5 ( 12. g5 $14) 12... Nxg4 13. Rg1 Nxe3 14. Qxe3 b5 15. O-O-O Bb7 16. Kb1 O-O-O $6 {Not terrible, objectively speaking, but if White plays 17.Nb3 Black must play with great precision to remain in the neighborhood of equality.} 17. Ne4 (17. Nb3 $1 Kb8 18. Na5 Qc5 $1 19. Qxc5 Bxc5 20. Nxb7 Kxb7 21. Rxg7 Rhg8 $1 22. Rxf7 Rgf8 $1 23. Rxf8 Rxf8 24. Ne4 Kb6 25. Nxc5 Kxc5 26. Rxd7 Rxf4 27. b3 a5 $1 $11) 17... Kb8 18. Rd3 Rc8 19. Rgd1 $2 (19. a3 $11) 19... Be7 $6 (19... b4 $142 $17) 20. Rc3 (20. a3 $142) 20... Qa4 $17 21. Rcd3 (21. Rdd3 $142) 21... Bxe4 22. b3 Qa5 23. Qxe4 Rc7 (23... f5 $142 $17) 24. f5 $2 {White's kingside attack might net him a pawn or two at some point. In the meantime, Black is playing for mate on the queenside, where White's king actually is.} ({The trend has been in Black's favor, but White had an amazing resource:} 24. c3 $1 Rxc3 25. Nxe6 $3 Rxd3 26. Rxd3 dxe6 27. Rd7 Qb6 28. Rxe7 Rd8 29. Qh1 $11 {/=/+}) 24... Rhc8 $19 25. Rg3 Ba3 26. h4 Qb4 (26... exf5 $142 27. Qxf5 Rc3) 27. h5 Rc3 $2 (27... Rxc2 28. Qxc2 Rxc2 29. Nxc2 Qf4 30. Rgd3 b4 $19) 28. Rxg7 $2 (28. fxe6 $142 fxe6 29. Rxg7 $17 Rh3 $4 {does nothing here - well, nothing good. It does do "something", though - it gives White a forced mate starting with} 30. Rxd7 $18) 28... Rh3 $1 29. Qe1 Rh1 $1 30. Rg1 (30. Qxb4 Rxd1#) 30... Rxg1 31. Qxg1 Qc3 { White can waste a few moves giving away his knight, queen, and rook, but finally it will be mate on b2.} 0-1