[Event "8th Sinquefield Cup"] [Site "Saint Louis"] [Date "2021.08.26"] [Round "9.1"] [White "Shankland, Sam"] [Black "Swiercz, Dariusz"] [Result "1/2-1/2"] [ECO "A11"] [WhiteElo "2709"] [BlackElo "2655"] [Annotator "Monokroussos,Dennis"] [PlyCount "86"] [EventDate "2021.??.??"] {[%evp 0,18,20,20,20,-12,-10,0,42,-24,-35,-10,-21,-36,-20,-38,-25,-64,2,-10, -12]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. c4 dxc4 5. O-O Nbd7 6. Qc2 (6. Na3 { is also common.} Nb6 7. Qc2 Be6 {and here White chooses between 8.Ng5 (most common overall), 8.Ne5 (most common recently), and 8.b3 (most successful in the database, which *may* mean that it's the move players tend to be least prepared for).}) 6... Nb6 7. a4 (7. Na3 {transposes to the preceding note.}) 7... a5 8. Na3 Be6 (8... Qd5) ({and} 8... g6 {are the major alternatives, and}) (8... Nfd5 {merits a look as well.}) 9. Ng5 Qd7 (9... Bg4 10. Nxc4 Bxe2 11. Ne5 Bh5 {is the start of an entertaining line.}) 10. e4 (10. Nxe6) 10... Bg4 $146 { A novelty, but a low-hanging one as it's the computer's top choice by a significant margin.} 11. Nxc4 Nxc4 12. Qxc4 e5 {The players have reached a new position with an unusual structure; I leave further analysis to the reader.} 13. b3 Bb4 14. Bb2 h6 15. Nf3 Bxf3 16. Bxf3 Qe7 17. Rad1 O-O 18. d4 exd4 19. Rxd4 Nd7 20. Be2 Rad8 21. Rfd1 Nc5 22. Qc2 Rxd4 23. Rxd4 Rd8 24. e5 Rxd4 25. Bxd4 Ne6 26. Bb2 Qc5 27. Qc4 Qxc4 28. Bxc4 Nc5 29. Kf1 b5 30. axb5 cxb5 31. Bxb5 Nxb3 32. Ke2 Nc5 33. Bd4 a4 34. Bxc5 Bxc5 35. Bxa4 Kf8 36. Bb3 Ke7 37. f4 f6 38. e6 f5 39. Kf3 h5 40. Kg2 Kf6 41. Kf3 Ke7 42. Kg2 Kf6 43. Kf3 Ke7 1/2-1/2 [Event "8th Sinquefield Cup"] [Site "Saint Louis"] [Date "2021.08.26"] [Round "9.2"] [White "Mamedyarov, Shakhriyar"] [Black "Vachier Lagrave, Maxime"] [Result "1/2-1/2"] [ECO "D85"] [WhiteElo "2782"] [BlackElo "2751"] [Annotator "Monokroussos,Dennis"] [PlyCount "49"] [EventDate "2021.??.??"] 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Rb1 O-O 9. Be2 cxd4 10. cxd4 Qa5+ 11. Bd2 Qxa2 12. O-O Bg4 13. Rxb7 Bxf3 14. Bxf3 Bxd4 15. e5 Na6 16. Rxe7 Rad8 17. e6 fxe6 18. Qe1 Nc5 19. Bc3 Nd3 20. Bxd4 Nxe1 21. Rg7+ Kh8 22. Rd7+ Kg8 23. Rg7+ Kh8 24. Rd7+ Kg8 25. Rg7+ {The game was so entertaining when it was first play in So-Nepomniachtchi last December that it has been repeated seven times since then, including this game. This guaranteed MVL at least a tie for first place in the tournament, while giving Mamedyarov at least good chances to finish third in the overall GCT standings.} 1/2-1/2 [Event "8th Sinquefield Cup"] [Site "Saint Louis"] [Date "2021.08.26"] [Round "9.3"] [White "So, Wesley"] [Black "Dominguez Perez, Leinier"] [Result "1/2-1/2"] [ECO "D27"] [WhiteElo "2772"] [BlackElo "2758"] [Annotator "Monokroussos,Dennis"] [PlyCount "69"] [EventDate "2021.??.??"] {[%evp 0,16,17,11,26,1,24,35,29,28,36,36,36,37,34,38,49,57,52]} 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. dxc5 Bxc5 8. Qxd8+ Kxd8 9. Be2 Ke7 10. Nc3 {Rare, but it did have one very high-level predecessor.} b5 (10... Nbd7 11. e4 b6 12. e5 Ng4 13. Bf4 f6 14. exf6+ gxf6 15. h3 Nge5 16. Nxe5 Nxe5 17. Bxe5 fxe5 18. Bf3 Ra7 19. Rac1 Bd7 20. Rc2 Bd4 21. Rfc1 Rc8 22. g4 h6 23. Kg2 a5 24. Ne2 Rxc2 25. Rxc2 Bb5 26. h4 Rd7 27. Ng3 Bd3 28. Rd2 Bc4 29. b3 Bb5 30. a4 Ba6 31. Be4 Rd8 32. Nh5 Rg8 33. Kg3 Bc8 34. Bc6 Kd6 35. Be4 Ke7 36. Rd3 Ba6 37. Rd2 Bc8 {½-½ (37) Ding,L (2791)-Yu,Y (2709) chess24.com INT 2020 (rapid)}) 11. Nd2 Bb7 {Back to theory.} 12. Nb3 Nbd7 (12... Bd6 13. Bd2 Nc6 14. Rfc1 Rhc8 15. f3 Rab8 16. e4 Bc7 17. a4 Bb6+ 18. Kf1 b4 19. Nd1 a5 20. Be3 Nd7 21. Bxb6 Nxb6 22. Ne3 Ra8 23. Rc5 Nd7 24. Rc2 Nce5 25. Rxc8 Bxc8 26. Rc1 Ba6 27. Bxa6 Rxa6 28. Ke2 g5 29. g3 h5 30. f4 gxf4 31. gxf4 Ng6 32. Kf3 Nh4+ 33. Kg3 Ng6 34. Rc7 Rd6 35. Nc5 Ngf8 36. Nc4 Rd1 37. Nxd7 Rxd7 38. Rxd7+ Nxd7 39. Nxa5 Nc5 40. Nc6+ Kd6 41. Nxb4 Nxe4+ 42. Kh4 Kc5 43. a5 Nf6 44. a6 Kb6 45. Kg5 Ng4 46. h4 e5 47. Kxh5 f5 48. Kg5 exf4 49. Kxf4 {1-0 (49) Aronian,L (2782) -Harikrishna,P (2730) chess24.com INT 2021}) 13. Na5 (13. Rd1 Bb6 14. a4 b4 15. a5 Ba7 16. Na4 Bd5 17. Nd4 Rhb8 18. Bd2 Nc5 19. Nxc5 Bxc5 20. Rac1 Bxd4 21. exd4 Kd7 22. Bf4 Rb7 23. h4 Bb3 24. Rd3 Ba4 25. Be5 Bb5 26. Bf3 Nd5 27. Bxd5 exd5 28. Rg3 g6 29. Rc5 Bc6 30. Rf3 f5 31. h5 Rb5 32. Rc1 Re8 33. hxg6 hxg6 34. Rh3 Re6 35. Rh7+ Kd8 36. b3 g5 37. Bc7+ Ke8 38. Bb6 f4 39. Rg7 {1-0 (39) Carlsen,M (2847)-So,W (2770) chess24.com INT 2021}) 13... Rab8 14. Bd2 (14. Nxb7 Rxb7 15. Bd2 Rc7 16. Rfd1 Rhc8 17. Be1 Bd6 18. Bxb5 axb5 19. Nxb5 Rc6 20. Na7 Be5 21. Nxc8+ Rxc8 22. Rab1 Ra8 23. a3 Nd5 24. Rdc1 f5 25. h3 g5 26. Kf1 h5 27. Rc2 g4 28. Ke2 N7f6 29. Ra1 f4 30. hxg4 fxe3 31. fxe3 Nxg4 32. Bh4+ Kd6 33. e4 Nge3 34. Rcc1 Nxg2 35. Bf2 Ngf4+ 36. Kf3 Bxb2 37. Bc5+ Kd7 38. exd5 Bxc1 39. dxe6+ Nxe6 40. Rxc1 Nxc5 41. Rxc5 Rxa3+ 42. Kf4 h4 43. Kg4 h3 44. Rh5 Rb3 45. Rxh3 Rxh3 46. Kxh3 {1/2-1/2 (46) Carlsen,M (2862)-So,W (2770) chess24.com INT 2020}) 14... Ne4 15. Nxe4 Bxe4 16. Rfc1 Rhc8 17. a4 bxa4 18. Bxa6 $146 (18. Bc3 a3 19. bxa3 Bd6 20. f3 Bd5 21. e4 Ba8 22. Bxa6 Rc7 23. a4 g5 24. Nc4 Bc5+ 25. Kf1 g4 26. Be1 gxf3 27. gxf3 Bd4 28. Rab1 Rxb1 29. Rxb1 Nc5 30. Bb5 Nxa4 31. Bb4+ Nc5 32. Nb6 Bb7 33. Rd1 e5 34. Na4 Kf6 35. Rxd4 exd4 36. Nxc5 Ke5 37. Nd3+ Ke6 38. Bc5 f5 39. Bc4+ Kf6 40. e5+ Kg5 41. f4+ Kg4 42. e6 {1-0 (42) Gajewski, G (2613)-Simacek,P (2479) Katowice 2019}) 18... Rc7 19. Bc3 Bd6 20. Rxa4 Nc5 21. Bb4 Bd5 22. Bf1 Rcc8 (22... Ke8 23. Bxc5 Rxc5 $44) 23. Bxc5 Rxc5 24. Rxc5 Bxc5 25. Nc4 Bxc4 26. Rxc4 Bd6 27. Rc2 Be5 28. g3 Rxb2 29. Rxb2 Bxb2 30. h4 h6 31. Bd3 Bc3 32. Bc2 Bb2 33. Bd3 Bc3 34. Bc2 Bb2 35. Bd3 {A nice, well-played game, but unfortunately for both players their draw meant that neither caught up with MVL to make it a tie for first.} 1/2-1/2 [Event "8th Sinquefield Cup"] [Site "Saint Louis"] [Date "2021.08.26"] [Round "9.4"] [White "Svidler, Peter"] [Black "Xiong, Jeffery"] [Result "1/2-1/2"] [ECO "C55"] [WhiteElo "2714"] [BlackElo "2710"] [Annotator "Monokroussos,Dennis"] [PlyCount "87"] [EventDate "2021.??.??"] {[%evp 0,12,17,19,17,15,18,18,18,21,19,-1,10,6,42]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. a4 d6 6. Nc3 g5 $6 {These ideas have been in the air for a few years now, but this particular version doesn't seem to have enough oxygen.} 7. Be3 Bg7 8. h4 $146 g4 9. Nh2 $16 Ne7 10. Qe2 c6 11. d4 exd4 12. Bxd4 $18 { Black's position looks terrible, but sometimes looks are deceiving. Not this time, though: White is already winning.} Ng6 13. O-O-O Qe7 14. Bxf6 $2 { A "Florida" move, according to Svidler, by which he meant that it was the sort of lazy move one might expect from a senior citizen who has retired to Florida. } (14. Nf1 $18 {followed by Ne3 is direct and probably winning.}) 14... Bxf6 15. Nxg4 Bxh4 $2 (15... Bxc3 16. bxc3 Bxg4 17. Qxg4 Ne5 18. Qe2 $16) 16. Ne3 $18 (16. g3 {is good, too.}) 16... Bf6 17. Qd2 (17. Rhe1 $142 $18 {followed by straightforward play in the center with g3 and f4 should lead to a speedy win.} ) 17... h5 18. Kb1 (18. Rhe1) 18... h4 19. Rhe1 Bg5 20. Qxd6 $2 (20. e5 $1 Qxe5 (20... d5 21. Bxd5 $1 $18) 21. Qd3 $1 Nf4 22. Qf1 O-O 23. Qh1 Ng6 24. Bb3 Be6 25. Bxe6 Qxe6 26. g3 $18) 20... Qxd6 21. Rxd6 Ne5 $11 22. Bb3 h3 23. gxh3 Bxh3 (23... Nf3 $142) 24. Nf5 $14 Rd8 $1 25. Ka2 $1 Rxd6 $6 (25... Bg4 $142) 26. Nxd6+ Ke7 27. Nxb7 Bc8 28. Nc5 (28. Rg1 $16) 28... Rh2 29. Rg1 f6 30. f4 $5 Bxf4 31. Rg8 Be3 $1 32. Nd3 Nxd3 33. cxd3 Ba6 34. Rg7+ Kd6 35. Bc4 (35. e5+ $5 Kxe5 $8 (35... fxe5 $4 36. Ne4#) 36. Re7+ Kf4 37. Re4+ Kf3 38. Bd1+ Kf2 39. Bg4 Bd2 40. Re2+ Kg1 {is a nice variation. Alas, Black's king's doesn't get to promote after its long journey to the back rank.}) 35... Bxc4+ 36. dxc4 a5 37. Rf7 Bd4 38. Kb3 Rh4 39. Rf8 Kc5 40. Ra8 Kb6 41. Rb8+ Kc5 42. Ra8 Kb6 43. Rb8+ Kc5 44. Ra8 1/2-1/2 [Event "8th Sinquefield Cup"] [Site "Saint Louis"] [Date "2021.08.26"] [Round "9.5"] [White "Rapport, Richard"] [Black "Caruana, Fabiano"] [Result "1/2-1/2"] [ECO "B44"] [WhiteElo "2763"] [BlackElo "2806"] [Annotator "Monokroussos,Dennis"] [PlyCount "123"] [EventDate "2021.??.??"] 1. e4 {Very normal for almost everyone, but not for Rapport! Caruana thought for around a minute before replying, and it looked like he was smiling under his mask at the surprise.} c5 {While he plays 1...e5 more often than the Sicilian, he has had periods in his career where the Paulsen was his main opening. As he's in a situation where the financial incentive for a win is great - the chance to tie for first in the tournament and to take third in the GCT standings - some risk is called for.} 2. Nf3 e6 {The best way to play for a win, IMO.} 3. d4 cxd4 4. Nxd4 Nc6 5. Bf4 $5 {Extreeeeeeeeemely rare, and until last year never played by a GM. (In three games last year and this year, young Dutch GM Max Warmerdam has given it a punt.)} d6 6. Nxc6 bxc6 7. c4 { A la Warmerdam. Four games have reached this point - let's see:} Rb8 (7... e5 8. Be3 f5 (8... Be6 9. Nc3 Be7 10. Qa4 Bd7 11. Qc2 Nf6 12. Be2 O-O 13. O-O Qa5 14. a3 Rfd8 15. b4 Qc7 16. Rfd1 Be6 17. Rac1 Rac8 18. Qa4 Ng4 19. Qxa7 Nxe3 20. Qxe3 h6 21. Rc2 Ra8 22. a4 Qb7 23. b5 cxb5 24. cxb5 Bb3 25. Rb2 Bxd1 26. Bxd1 Rdc8 27. Qd3 Bg5 28. g3 Rc5 29. h4 Bd8 30. Bb3 Rac8 31. Nd5 Ba5 32. Kg2 Bc3 33. Nxc3 Rxc3 34. Qd5 Qe7 35. b6 Rb8 36. a5 Rc5 37. Qd2 Qb7 38. Bd5 Qa6 39. Ra2 Kf8 40. Qd1 g6 41. Qf3 f5 42. exf5 g5 43. Qh5 Rxd5 44. Qxh6+ Ke7 45. Qe6+ Kd8 46. Qxd5 gxh4 47. Qxd6+ {1-0 (47) Warmerdam,M (2506)-Leenhouts,K (2414) Lichess. org INT 2020}) 9. exf5 Bxf5 10. Nc3 Rb8 (10... Nf6 11. Bd3 Be6 12. Qa4 Qd7 13. O-O Be7 14. Ne4 O-O 15. Ng5 Bg4 16. h3 Bh5 17. Qc2 h6 18. Bf5 Qb7 19. Ne6 Rfb8 20. b3 Bf7 21. Qc1 Bf8 22. Nxf8 Kxf8 23. Re1 a5 24. c5 d5 25. Bxh6 Ng8 26. Bg5 Re8 27. Qc3 Qb4 28. Qg3 Qxc5 29. Bd7 d4 30. Rac1 Qd6 31. Bxc6 Bd5 32. Bxa8 Bxa8 33. Qg4 Bb7 34. Qf5+ Nf6 35. Bxf6 gxf6 36. Red1 Re7 37. f3 Rg7 38. Kh1 Rg5 39. Qc2 Qd7 40. Kh2 Rg7 41. Qf2 Qd6 42. Kh1 f5 43. Qh4 Kg8 44. Qh5 e4 45. Qxf5 exf3 46. Rc8+ Bxc8 47. Qxc8+ Kf7 48. Qf5+ Qf6 49. Qxf3 Qxf3 50. gxf3 a4 51. Rxd4 axb3 52. axb3 Rg3 53. Rf4+ Ke6 54. Kh2 Rg8 55. b4 Ke5 56. Rg4 Rc8 57. Kg3 Rc3 58. h4 Kf5 59. Rg5+ Kf6 60. Rc5 Rb3 61. b5 Kg6 62. Kg4 Kg7 63. f4 Rb1 64. Kf5 Rh1 65. Rc7+ Kh6 66. b6 Rb1 67. b7 Rb6 68. Rc6+ {1-0 (68) Martin Duque,J (2454) -Bardone,L (2174) Bassano del Grappa 2021}) 11. Bd3 Be6 12. O-O Nf6 13. Qc2 d5 14. cxd5 cxd5 15. Bxa7 Rb7 16. Nb5 Bd7 17. Bg6+ hxg6 18. Qxg6+ Ke7 19. Bc5+ Ke6 20. Nd4+ exd4 21. Rae1# {1-0 (21) Warmerdam,M (2506)-Leenhouts,K (2414) Lichess.org INT 2020. Nothing makes a chess player's day like winning a game like this!}) 8. Qc2 e5 9. Be3 Nf6 10. Nc3 Qc7 11. Be2 Be7 12. O-O O-O $146 ( 12... Be6 13. Rfc1 O-O 14. Rab1 a5 15. a3 Ng4 16. Bxg4 Bxg4 17. c5 Be6 18. cxd6 Bxd6 19. Qe2 Bb3 20. Nd5 Qb7 21. Nb6 Rfd8 22. Rc3 a4 23. Rbc1 Bc7 24. Rxc6 Bxb6 25. Rxb6 Qxe4 26. Rxb8 Rxb8 27. f3 Qb7 28. Bc5 f6 29. Bb4 Rd8 30. h3 Qd7 31. Kh2 Qd4 32. Kh1 Qf4 33. Re1 h5 34. Qe3 Qg3 35. Rc1 Qg6 36. Be1 Rd3 37. Qe2 Qf5 38. Bd2 Kh7 39. Rc3 Rd7 40. Kh2 Qb1 41. f4 Bd1 42. Qe1 Bc2 43. fxe5 Qxe1 44. Bxe1 Bb3 45. exf6 gxf6 46. Rf3 Rd6 47. Bc3 Kg6 48. Rf4 Re6 49. Kg3 Re3+ 50. Kf2 Re6 51. Bd4 Bc2 52. Bc3 Bb3 53. g4 hxg4 54. Rxg4+ Kh5 55. Rf4 Kg6 56. h4 { 1/2-1/2 (56) Warmerdam,M (2535)-Pichot,A (2630) chess24.com INT 2021}) 13. Rac1 Be6 14. b3 h6 15. h3 a5 16. Rfd1 Rfd8 $14 {/+/- White enjoys a very pleasant advantage thanks to his superior structure and extra space. Turning it into something concrete will be the challenge: pressure d6? Play for c4-c5? Go for f4, and if Black takes then Bxf4 increases the pressure against d6, and if he doesn't then f5 followed by a kingside pawn storm? Black's non-defensive plans are less obvious, but include going for ...f5, trying to maneuver the knight to d4 or f4, and - if possible - executing ...a5-a4.} 17. Bf3 Nh7 18. Qe2 Bg5 19. Rd3 Qe7 20. Rcd1 Rd7 21. Bd2 Bxd2 22. Qxd2 Ng5 23. Be2 Rbd8 24. Qe3 (24. h4 $142 Nh7 25. Qe3 Qxh4 26. Qb6 $16) 24... f5 25. c5 (25. h4 $142 f4 26. Qb6 Nf7 27. Qxc6 Qxh4 28. Nb5 Qe7 29. Bh5 Qg5 30. Bf3 Qe7 {still favors White after, say,} 31. Qb6 {, but Black's position won't break so easily.} a4 (31... Ng5 32. Kf1 a4 33. Rxd6 axb3 34. axb3 Nxf3 35. gxf3 Bh3+ 36. Ke2 $16) 32. Bh5 Ng5 33. Rxd6 f3 34. Rxd7 Rxd7 35. Rxd7 Bxd7 36. g3 axb3 37. axb3 Qb4 38. Qe3 Qa5 39. Bxf3 Qa1+ 40. Kh2 Nh3 41. g4 Nf4 42. Be2 Qb1 $14 {and Black is keeping the counterplay going.}) 25... d5 $11 {It's very sharp, obviously, but Black is objectively okay.} 26. exd5 Bxd5 27. f4 Ne4 28. Nxd5 (28. fxe5 Nxc3 29. Rxc3 Be4 30. Rxd7 Rxd7 31. e6 Rd5 $11) 28... cxd5 29. c6 (29. fxe5 $142 d4 30. Rxd4 Qxc5 31. Rxe4 Rxd1+ 32. Bxd1 Rxd1+ 33. Kh2 Rd5 34. Qxc5 Rxc5 35. Re2 Kf7 $11 { The e-pawn will die, and with it any winning hopes White might have entertained.}) 29... d4 30. Qc1 Rc7 31. fxe5 Qxe5 32. Qc4+ Kh7 33. Bf3 $6 (33. Rxd4 $142 Rxc6 34. Qxc6 Rxd4 35. Rxd4 Qxd4+ 36. Kh2 {is completely drawn, even if Black has the visually more appealing position with his beautifully centralized pieces.} Qe5+ 37. Kg1 Qb2 38. Bc4 Qxa2 39. Qd5 $11 {offers Black a speedy reminder that White can create threats, too. Someone will be delivering a perpetual check soon.}) 33... Ng5 (33... Rd6 34. Bxe4 fxe4 35. Rxd4 Rcxc6 36. Qa4 $8 (36. Rxd6 $4 {is an enticing blunder.} Rxc4 37. bxc4 {Normally this would be a two-result situation, with White being the one hoping for more than a draw, but for tactical reasons Black wins thanks to} e3 38. Ra6 (38. R6d5 { or any other sane rook move won't change anything:} e2 39. Re1 Qe3+ 40. Kh2 Qf2 $19) 38... e2 39. Re1 Qe3+ 40. Kh2 Qf2 $19) 36... Rg6 37. R4d2 $8 e3 38. Re2 Rgd6 39. Rde1 Rc3 40. Qg4 $8 {White is holding on.}) 34. h4 Nxf3+ 35. Rxf3 Rd5 (35... Rd6 36. Qd3) 36. h5 Qe4 37. Rdf1 (37. a4) (37. Rf4) 37... d3 38. Rf4 { Dangerous, but it works.} (38. Rd1) 38... Qe6 39. Rxf5 $1 Qe3+ 40. Kh2 $6 { An inaccuracy on the last move of the time control. Will Caruana catch MVL for first?} (40. R5f2 $1 Rxh5 41. Qf4 Qxf4 42. Rxf4 Rxc6 43. Rd4 Rc2 44. Rxd3 Rxa2 45. Rg3 $11 {is an easy draw for White, despite the missing pawn. The rook on g3 is perfect, and stops all of Black's ideas: it protects g2 and b3 while taking aim at g7.}) 40... Rd4 $1 41. Re1 $1 {Otherwise, White is lost.} Rxc4 42. Rxe3 Rd4 43. Rf1 (43. Re1 $142) 43... d2 44. Rd1 Rxc6 45. Re2 $8 Rc2 { It is evident that it is Black who is playing for a win here. Unfortunately for Caruana, there's no win if Rapport defends accurately, and he did.} 46. a3 Rd5 47. Kg3 Rc3+ 48. Kh4 Rd4+ 49. g4 Rdd3 50. Rh2 Rc2 (50... Rxb3 51. Rdxd2 Rxa3 52. Rde2 a4 53. Re4 $1 Ra1 54. Re8 $1 a3 55. Ra8 Rd4 56. Kh3 $1 Rg1 57. Rxa3 Rgxg4 58. Ra5 $8 {and White should hold. It's not the easiest line ever, but it's good enough.}) 51. b4 a4 {The best try.} 52. b5 Rb2 53. Rh3 Rd6 54. Rh2 $8 Ra2 55. Rg2 Kg8 56. Rh2 Kf7 57. Re2 Rb2 58. Rf1+ Rf6 59. Rd1 Rd6 60. Rf1+ Rf6 61. Rd1 Rd6 62. Rf1+ 1/2-1/2