[Event "11th Sinquefield Cup"]
[Site "Saint Louis USA"]
[Date "2024.08.21"]
[Round "3"]
[White "Praggnanandhaa, R."]
[Black "Gukesh, D."]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2749"]
[BlackElo "2766"]
[Annotator "Monokroussos,Dennis"]
[PlyCount "124"]
[GameId "2081229694009971"]
[EventDate "2024.08.19"]
{[%evp 0,124,21,27,27,27,27,18,15,-10,10,6,20,-7,2,0,24,28,13,4,19,20,2,11,11,7,7,-13,-13,-5,10,-8,3,-12,31,-7,-3,-7,-10,7,20,-54,-43,-74,-21,-12,-31,-20,-24,-15,0,0,0,-35,-6,0,0,0,0,0,0,0,0,0,25,36,42,44,66,49,55,35,40,44,40,57,49,64,60,81,60,81,63,66,151,172,175,154,164,144,187,170,160,151,151,194,168,171,171,171,171,149,112,144,108,104,104,100,24,20,12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O c6 8. Qc2 Nbd7 9. Rd1 a5 {A solid #2 move, with lots of games.} (9... b6 {is the principal main line.}) 10. Bf4 b6 {You might think this would transpose to 9...b6 lines, but it generally doesn't.} (10... a4) ({and} 10... h6 {are usual here.}) 11. Nbd2 Nh5 12. Be5 Ba6 13. e4 Rc8 14. Rac1 Bb7 $146 (14... Nhf6 15. Bf4 c5 16. exd5 {½-½ Nagy,G (2488)-Sasikiran,K (2636) CZE-chT 2223 Czech Republic 2022 (5.6)}) 15. Qb3 (15. Ne1) 15... f6 16. Bf4 f5 ({Black could play the immediate} 16... Nxf4 {, but after} 17. gxf4 {there's nothing better than offering a transposition to the game with} f5) 17. exd5 (17. cxd5 Nxf4 18. gxf4 cxd5 19. exf5 Rxf5 20. Bh3 Rf6 21. Qe3 Nf8 22. Ne5 {is roughly equal though highly imbalanced.}) 17... Nxf4 18. gxf4 cxd5 19. Ne5 Bb4 (19... Nxe5 20. dxe5 (20. fxe5 $2 {may look nicer but Black's bishops come to life after} Bg5 21. Qg3 {and then} Bxd2 22. Rxd2 Ba6 $17) 20... Rc5 21. cxd5 Bxd5 22. Bxd5 Qxd5 $1 23. Nc4 a4 $1 24. Rxd5 axb3 25. Rxc5 Bxc5 26. axb3 Rd8 27. b4 Bxb4 28. Nxb6 Rd2 $11) 20. Nxd7 Qxd7 21. cxd5 Bxd5 22. Bxd5 Qxd5 23. Qxd5 exd5 24. Nf3 $11 {This is a much flatter equality than the one in the note to White's 17th move. Neither side get at the other's (potential) weaknesses, and that together with the symmetry makes a draw highly likely.} Kf7 25. Kg2 Ke6 26. a4 Bd6 27. Re1+ Kd7 28. Ne5+ Bxe5 29. fxe5 {This looks pretty, but even if this were a king and pawn ending there would be no win for White. There isn't even a legal way to penetrate on the queenside, and on the kingside Black could put his pawns on g6 and h6, being sure to play ...h5 the moment White plays h4. And that's that. Of course, there are still rooks on the board, so Pragg can still try to make something happen - to induce fatal weaknesses - and then look to swap into a pawn ending that would be winning.} Ke6 30. b3 g5 {This too would constitute a fortress in a pawn ending.} 31. f4 gxf4 $5 {Black prefers counterplay on the g-file to waiting passively. Active defense is generally correct, even if it's perhaps needlessly risky in this case.} 32. Kf3 Rg8 $8 33. Rg1 Rxg1 34. Rxc8 Kd7 $2 {This should have lost, believe it or not.} (34... Rf1+ $8 35. Ke2 Rh1 $8 $11 {was the only way to maintain equality.}) 35. Rb8 $18 (35. Rh8 $18 {is also winning.}) 35... Kc7 36. Rh8 Rf1+ 37. Ke2 Rb1 38. Rxh7+ Kc6 39. Rh6+ Kc7 40. Rh7+ Kc6 41. h4 Rb2+ 42. Kf3 Rxb3+ 43. Kxf4 Rb4 44. h5 Rxd4+ 45. Kxf5 Rd1 46. e6 d4 47. Rd7 {Still winning.} (47. Rh8 $1 {is better, threatening 48.e7.} Rf1+ 48. Kg4 Re1 49. h6 d3 50. h7 d2 51. Rd8 Rg1+ 52. Kf3 $18) 47... Rf1+ (47... d3 48. Rd4 $1 Kc5 49. Rd8 d2 50. e7 Re1 51. Kf6 $18) 48. Kg6 Rg1+ 49. Kf7 Rf1+ 50. Ke8 $2 (50. Ke7 $1 {is completely counterintuitive, blocking the pawn. The reason this had to be played is that White needs Rd6+, to meet ...Kc5 with Kd7, when the White king shepherds the e-pawn to promotion.} Rh1 51. Rd6+ $1 Kc7 (51... Kc5 52. Kd7 Rxh5 53. e7 Rh8 54. Rc6+ Kd5 55. Rxb6 d3 56. e8=Q $18) 52. Rxd4 Rxh5 53. Rc4+ Kb7 54. Kd6 b5 {If Black just sits, White will promote the e-pawn and win. So Black should try for whatever counterplay he can. Unfortunately, White has many ways to win against this, including the stylish} 55. Rc5 $1 Rh6 (55... Rxc5 56. Kxc5 Kc7 (56... bxa4 57. e7 $18) 57. axb5 $18 (57. Kxb5 $18)) 56. Rxb5+ $18) 50... Rh1 $11 51. e7 Rxh5 52. Rxd4 b5 $1 {Black will sac his rook for White's e-pawn, and White will eventually have to sac his rook back (or draw by repetition).} 53. Kf7 Rh7+ 54. Ke6 Rxe7+ 55. Kxe7 bxa4 56. Rxa4 Kb5 57. Rh4 a4 58. Kd6 a3 59. Rh2 Kc4 (59... Kb4 {was sufficient, but 59...Kc4 is a nice touch, maximally shouldering the White king.}) 60. Kc6 Kb3 61. Kb5 a2 62. Rxa2 Kxa2 1/2-1/2
[Event "11th Sinquefield Cup"]
[Site "Saint Louis USA"]
[Date "2024.08.21"]
[Round "3"]
[White "Firouzja, Alireza"]
[Black "Vachier Lagrave, M."]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2751"]
[BlackElo "2721"]
[Annotator "Monokroussos,Dennis"]
[PlyCount "79"]
[GameId "2081229694009972"]
[EventDate "2024.08.19"]
1. Nf3 d5 2. d4 Nf6 3. Bf4 c5 4. e3 Nc6 5. Nbd2 Nh5 6. dxc5 Nxf4 7. exf4 g6 (7... Qa5 {is a common alternative, while}) (7... a5 {is rare overall but a fairly hot move this year. Nepo used this twice against Firouzja, in different events, just last month.}) 8. c3 Bh6 (8... Bg7 {is also normal.}) 9. Qa4 (9. g3 {is the most common move, by far.} O-O 10. Bg2 (10. Nb3 a5) 10... b6 11. cxb6 Qxb6 $44) 9... O-O 10. Bb5 Qc7 11. Bxc6 bxc6 12. Ne5 Bb7 13. g3 $146 (13. Ndf3 f6 14. Nd3 e5 15. fxe5 fxe5 16. Nfxe5 Rae8 17. O-O Rxe5 18. Nxe5 Qxe5 19. Qxa7 Bc8 20. Rae1 Qg5 21. Qc7 Bg7 22. Re7 Qf6 23. f3 d4 24. Rd1 dxc3 25. bxc3 Be6 26. Rd6 Qxc3 27. Rxg7+ Qxg7 28. Qxg7+ Kxg7 29. Rxe6 Ra8 30. Rxc6 Rxa2 31. h4 Rc2 32. Kh2 Rc4 33. Kh3 h5 34. Rc7+ Kf6 35. Kg3 Ke6 36. c6 Kf6 37. Rc8 Kg7 38. c7 Kh7 39. Kf2 Kg7 40. Ke2 Kh7 41. Kd3 Kg7 42. Kxc4 {1-0 Tang,A (2522)-Nasuta,G (2535) Titled Tuesday intern op 21st Feb Late Chess.com INT blitz 2023 (7)}) 13... f6 14. Ng4 Bg7 15. h4 h5 16. Ne3 e5 $11 {Good, energetic play. If the board opens up White will be in trouble thanks to Black's bishops.} 17. O-O-O {Obviously risky, but there's no part of the board that won't be risky for White's king.} Rae8 $6 (17... Bh6 18. Qc2 Qf7 19. Rhg1 Kh8 20. Kb1 Bc8 $44 {is a reasonable-looking line. The engine says it's equal, but I think both players, given the choice, would immediately take Black.}) 18. f5 $16 Bc8 19. g4 {Now Black is in a bit trouble.} e4 20. Rdg1 hxg4 21. Rxg4 $2 {After this Black turns the tables. White had only one move that kept the advantage - and prevented Black from having a clear advantage.} (21. h5 $1 {A counterintuitive move to say the least, but running this pawn to h7 does a lot to interfere with Black's nefarious plans.} Bxf5 22. h6 Bh8 23. h7+ Kf7 24. Nb3 $16 {White will probably get the pawn back, and here Black has to worry about his king (a bit) and the h-pawn (a bit - at least if he hopes to get the bishop fully into the action). That, together with his queenside weaknesses, gives White the upper hand.}) 21... gxf5 $17 22. Rg6 $6 (22. Rgg1 {looks wrong, as White can't double on the g-file. Where's the fun in that? Regardless, it was best.} f4 $6 (22... Kh7 $142 $17) 23. Nc2 $15) 22... f4 23. Rhg1 Re7 $19 24. Nc2 Bf5 25. R6g2 f3 26. Nd4 $1 (26. Rg3 Kh7 27. Nd4 Bd7 $19 {With ...Bh6 and ...f5 on tap, White's attack is over, and the march of Black's central mass should soon overwhelm everything in its path.}) 26... Bd7 (26... fxg2 27. Nxf5 Re5 {wasn't terrible either.}) 27. Rg6 Kh7 28. Nf1 Bh6+ 29. Kb1 Rg7 $1 {With only one rook, White's kingside counterplay comes to a halt.} 30. Rxg7+ Bxg7 31. a3 f5 32. h5 Be5 33. Rg6 Rf6 (33... Rg8 $1 {is smoother, forcing White's rook off the board. Then Black start working the f- and e-pawns down the board.} 34. Rxg8 Kxg8 35. Qd1 f4 $19) 34. Rg1 Rh6 ({It was better to go back and try again.} 34... Rf7) 35. Ne3 Rxh5 {Black is still winning, but now Black's rook is somewhat stuck, defending both f5 and the h-file.} 36. Qb3 Qb8 (36... Bxd4 37. Nxd5 Be6 38. Nf6+ Bxf6 39. Qxe6 Rg5 40. Rxg5 Bxg5 41. Qxf5+ Kh6 42. Qe6+ (42. Qxe4 Qh7 $19) 42... Kh5 43. Qxe4 {MVL calculated to this point and stopped, seeing that he's losing another pawn here. But he missed something critical:} Qf7 $1 44. Qxc6 Bh4 $1 {Remarkably, there's no way to defend the f-pawn, and there aren't any good checks either. Black wins easily here.}) 37. Qa4 {Threatening Nxd5.} Qc7 (37... f4 $1 38. Nxd5 Qe8 39. Nb4 Bxd4 40. cxd4 e3 41. Nd3 Qe4 $19) 38. Qb3 Qb8 39. Qa4 Qc7 40. Qb3 {Black is still winning, but in line after line MVL kept finding resources for White and missing critical details that would push him over the finish line, as we saw in the 36...Bxd4 variation. A little unlucky for MVL, but that's chess.} 1/2-1/2
[Event "11th Sinquefield Cup"]
[Site "Saint Louis USA"]
[Date "2024.08.21"]
[Round "3"]
[White "Ding Liren"]
[Black "So, W."]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2745"]
[BlackElo "2751"]
[Annotator "Monokroussos,Dennis"]
[PlyCount "97"]
[GameId "2081229694009973"]
[EventDate "2024.08.19"]
{[%evp 0,97,21,14,27,14,14,15,15,-1,-1,-1,7,20,22,-9,-7,-33,0,-7,-7,-12,-8,-20,-14,0,5,5,60,-20,-14,2,56,-18,25,21,21,13,38,20,24,20,20,3,12,5,59,46,46,-23,48,33,29,29,28,0,0,0,55,30,44,-20,-51,-51,0,-2,-28,-28,-19,-30,-24,-38,-38,-37,-37,-54,-56,-50,-53,-81,-59,-54,-35,-61,-61,-60,-60,-60,-61,-67,2,2,2,-5,2,-2,0,-2,-2,-2]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. O-O a6 7. Bg5 h6 8. Bh4 Ba7 9. Nbd2 Qe7 10. Re1 O-O 11. Bb3 g5 12. Bg3 g4 $6 (12... Bg4 $142) 13. Nh4 (13. Bh4 $1 Kg7 14. Nf1 gxf3 15. Qxf3 Rh8 $1 {Otherwise Black is losing.} 16. Ne3 Be6 17. Nd5 Bxd5 18. exd5 Nb8 19. Ba4 $1 b5 20. Bc2 Nbd7 21. d4 $1 $14 {Black is under heavy pressure, and thanks to 19.Ba4 White has the additional option of opening the queenside with a4 (probably prepared with b4). White's position is much easier to handle.}) 13... Nh5 14. Nf1 Qg5 15. Ne3 Bd7 (15... Bxe3 16. Rxe3 Ne7 $11) 16. Rc1 Ne7 (16... Kh8 17. d4 Rae8 $1 $11) 17. d4 $11 {/?} Rad8 18. Rc2 Nxg3 19. hxg3 h5 (19... Bc8 $142) 20. Rd2 $14 Kg7 (20... Bc8 $142) 21. Kh2 $1 $16 {It may not seem possible, given Black's queen and his h- and g-pawns, but it's White who's about to take over the kingside.} Rh8 $6 (21... Rde8 $142) 22. dxe5 (22. Rf1 $1) 22... Qxe5 $6 (22... Bxe3 23. Rxe3 Qxe5 24. f4 gxf3 25. Nxf3 Qc5 $8 26. Qe1 $16 {/+-}) 23. f4 $1 $18 gxf3 24. gxf3 $2 {Spoiling the fruits of his labor, and most of the advantage.} (24. Nxf3 $1 {isn't beautiful from a structural point of view, but the important thing is keeping up the tempo of the initiative. White is ready to play e5 after the queen moves, ripping open lines for his attack.} Qb5 25. e5 $1 Bxe3 26. Rxe3 Nf5 27. Ree2 Rde8 28. Rd5 Qb6 29. Qd2 $18 {White's pieces will start helping themselves to lovely outposts on Black's side of the board, especially on the kingside.}) 24... Kf8 $1 $14 25. f4 Qg7 26. Qf3 Rg8 27. Nef5 (27. e5 $1 {still fights for a little advantage.} Bc6 $1 28. Qf2 Re8 $1 $14) 27... Nxf5 28. Nxf5 {Giving up.} (28. exf5 Re8 $11) 28... Bxf5 29. exf5 h4 30. Rg2 (30. gxh4 Qg4 31. Qxg4 Rxg4 $11 {is also drawn.}) 30... hxg3+ 31. Rxg3 Qxg3+ 32. Qxg3 Rxg3 33. Kxg3 Re8 34. Rxe8+ Kxe8 35. Kf3 Ke7 36. Ke4 c6 37. Bd1 d5+ 38. Kd3 Kf6 39. Bh5 b5 40. b3 a5 41. a4 bxa4 42. bxa4 Kxf5 43. Bxf7 Kxf4 44. Be8 Ke5 (44... c5 {is playing make-believe. After} 45. c4 {one could train a non-chess player to hold this against Magnus Carlsen after about five minutes of instruction.}) 45. Bxc6 Bb6 46. Bb5 Ba7 47. Bc6 Bb6 48. Bb5 Ba7 49. Bc6 1/2-1/2
[Event "11th Sinquefield Cup"]
[Site "Saint Louis USA"]
[Date "2024.08.21"]
[Round "3"]
[White "Nepomniachtchi, I."]
[Black "Giri, A."]
[Result "1-0"]
[ECO "E28"]
[WhiteElo "2767"]
[BlackElo "2746"]
[Annotator "Monokroussos,Dennis"]
[PlyCount "73"]
[GameId "2081229694009974"]
[EventDate "2024.08.19"]
{[%evp 0,73,21,25,25,15,15,15,35,26,27,-16,-18,-8,-8,-10,-29,-29,9,-26,-32,-15,-10,-60,-58,-110,-77,-113,-101,-121,-71,-74,-86,-99,-81,-134,-114,-124,-59,-59,-59,-120,-5,-67,0,0,0,0,-1,-89,50,-13,36,-105,-105,12,12,12,12,112,112,112,181,186,194,616,975,991,1060,1091,29985,29986,29987,29988,29989,29990]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. a3 {There have been quite a few Saemisches the past couple of years. It's nice to see this approach, once thought more or less dead, come back to life.} Bxc3+ 6. bxc3 d6 (6... c5) 7. f3 (7. Bd3) (7. Ne2) 7... Nc6 {Rare here, though not in general. It's quite common in the Saemisch for Black to put a knight on a5 and the bishop on a6, looking to collect White's c4-pawn while White is building up his center and ramping up for a kingside attack.} (7... e5) (7... c5) 8. e4 Qe8 $146 9. h4 $5 {Wow. It's probably no good, but it's a fresh position and the players are going to have an adventure. It was conjectured by the commentators, and I think Nepo said something similar in his postgame interview, that Giri doesn't like to be attacked. (Granted, most players don't like to be attacked, but apparently he copes with it slightly worse than your average super-GM.)} b6 $6 {Too soft. Black should take the kingside bull by the horns.} (9... Nh5 $1 10. Kf2 f5 $1 $17) 10. h5 Ba6 11. Ra2 $5 (11. h6 $5) 11... Na5 12. g4 $1 {This looks ridiculous, but if White can mate Black who cares about the c4-pawn? It's not as if Black's pieces are doing anything useful, aside from aiming at a pawn on the wrong side of the board (from the Black king's point of view).} Qc6 $1 13. Rg2 (13. g5 $142) 13... Bxc4 14. Bxc4 Qxc4 15. Ne2 Nd7 16. g5 e5 $6 (16... Nb3 $1 $17) 17. g6 $6 (17. O-O $1 $44 {looks funny, but it may be best. White now has more freedom to prosecute his attack, with ideas like f4 and/or Ng3 on the agenda. It also clears e1 for the queen in some cases, though it's likelier to wind up on f3 (after Ng3 and f4).}) 17... fxg6 $6 {Not terrible, but a missed opportunity. The next moves through White's 23rd are all forced.} (17... h6 $1 18. Bxh6 $1 gxh6 19. Qd2 Kg7 20. gxf7+ Kxf7 21. Qxh6 {looks scary for Black until you realize that his king can run to safety on b7. White has some compensation thanks to his activity and the h-pawn, but Black is better after} Ke8 $1 22. Rg7 $1 Kd8 $1 23. Qh7 $1 Qb5 24. Kf2 Kc8 25. Rhg1 $1 $15 {/?}) 18. hxg6 $11 Rxf3 19. gxh7+ Kh8 20. Rhg1 Rf7 21. Bh6 $1 gxh6 22. Rg8+ Kxh7 23. Rxa8 {Now Black has a number of good choices. Unfortunately for Giri, he chooses a plausible but mistaken option.} Nf6 $2 (23... Nb3 $11 {The point of this move is to keep White's queen off of c1 and d2, so there aren't any Rh8+ Kxh8 Qxh6+ tactics.}) (23... Qc6 $11) (23... Nf8 $11 {There are other equalizers, too.}) 24. dxe5 $18 Nxe4 {This comes close, but Nepo has seen everything to the end of the game.} (24... dxe5 $2 {is a poor try due to} 25. Qd8 {, with a speedy and unstoppable mate. But Black has two good tries, both requiring computer-like accuracy from White to prove the win.}) (24... Nd7 $1 25. Qd2 $1 Qxe4 26. e6 $1 Qxe6 27. Rgg8 $1 Rf6 28. Rge8 $1 Qf5 29. Nf4 $1 Nf8 $1 (29... Qxf4 30. Re7+ Kg6 (30... Rf7 31. Qxf4 Rxe7+ 32. Kd1 $18) 31. Rg8+ Kh5 32. Qe2+ Kh4 33. Re4 Qxe4 34. Qxe4+ Kh5 35. Qh1#) 30. Re7+ $1 Rf7 31. Rxf7+ Qxf7 32. Qd3+ Kg7 33. Qd4+ Kh7 34. Qe4+ Kg7 35. Qg2+ Kh7 36. Rxa7 h5 37. Qe4+ Kg7 38. Qd4+ Kg8 39. Qd5 $18) (24... Qxe4 $1 {might be the best try, as the refutation is completely un-obvious.} 25. exf6 Qxa8 26. Qa4 $3 {Stopping both ...Qe4 and ...Qe8 (and ...Nc4, for that matter) and threatening Qg4. This was a computer find that stunned Peter Svidler, and Nepo didn't find it either.} (26. Qd3+ $2 {was what Nepo had in mind. It's very dangerous-looking for Black, but it's not good enough.} Kh8 27. Qf5 (27. Qg6 $2 Qf8 28. Rf1 Nc4 $19 {The knight comes back to e5, everything is covered, and Black is two pawns ahead.}) 27... Nc4 $1 28. Nf4 Qe8+ $1 29. Kf2 Qe3+ 30. Kg2 Ne5 $8 $11) 26... Qd8 (26... Kh8 27. Qh4 Qf8 28. Rg6 Kh7 29. Qe4 Kh8 30. Nf4 Rxf6 31. Qd4 Qe7+ 32. Kd1 Qe5 33. Rxf6 $19) (26... Qf8 27. Qe4+ Kh8 28. Nf4 Rxf6 29. Ng6+ Rxg6 30. Rxg6 {Black is still up material, but the attack rages on.} Nb3 31. Qe6 Nc5 (31... Kh7 32. Rf6 $18) 32. Rxh6+ Kg7 33. Qg6#) 27. Qe4+ Kh8 28. Nf4 Rxf6 29. Nh5 d5 (29... Rf7 30. Qd4+ Kh7 31. Rg7+ $18) 30. Qg4 Qe8+ 31. Kd1 $18) 25. Qc1 $1 Ng5 26. Rxg5 $1 Qh4+ 27. Rg3 Qh1+ 28. Rg1 Qxa8 29. Qc2+ Kh8 30. Qg6 Qf8 31. e6 Re7 32. Rh1 Rh7 33. Rf1 Qd8 (33... Qg8 34. Qf6+ Qg7 (34... Rg7 35. Qxh6+ Qh7 (35... Rh7 36. Qf6+ Qg7 (36... Rg7 37. Rh1+ $18) 37. e7 $18) 36. Rf8+ Rg8 37. Qxh7+ Kxh7 38. e7 $18) 35. Qd8+ Qg8 36. Rf8 $18) 34. Rf7 Rxf7 35. exf7 Qf8 36. Qf6+ Kh7 37. Nf4 {There's no sensible defense to the threatened Ne6.} 1-0
[Event "11th Sinquefield Cup"]
[Site "Saint Louis USA"]
[Date "2024.08.21"]
[Round "3"]
[White "Caruana, F."]
[Black "Abdusattorov, Nodirbek"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2793"]
[BlackElo "2762"]
[Annotator "Monokroussos,Dennis"]
[PlyCount "95"]
[GameId "2081229694014071"]
[EventDate "2024.08.19"]
{[%evp 0,95,21,14,27,14,26,15,13,12,11,13,24,13,17,1,7,9,25,22,26,14,21,15,10,4,7,7,26,27,23,-1,7,8,9,25,33,36,41,29,21,24,26,24,27,18,22,26,22,18,11,11,9,0,0,-38,0,-46,-47,-80,-41,-49,46,-49,-49,-59,-49,-70,-65,-35,-37,-34,-47,-63,-51,-58,-41,-43,0,0,0,22,53,28,68,84,118,95,129,300,371,365,487,428,488,510,587,819]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. Re1 d6 7. a4 Be6 8. Nbd2 Bxc4 9. Nxc4 a5 10. Bg5 Nd7 11. Bxe7 Qxe7 12. d4 exd4 13. Nxd4 Nxd4 14. Qxd4 Rfe8 15. Qd2 Qh4 16. f3 Re6 17. Ne3 Qg5 18. Rad1 Qc5 19. Kh1 Rae8 20. b3 Nf6 21. Nf5 g6 22. Ne3 b6 23. c4 Qg5 24. Qf2 Nd7 25. Nd5 Qd8 26. g4 Re5 27. Re3 Nc5 {White has been better or at least equal to this point, but now he starts to go awry.} 28. Qg3 (28. Nf4 $142 $11) (28. h4 $142 $11) 28... h5 $15 29. h3 Kg7 30. Nf4 $2 (30. Kg2) 30... Rh8 $2 (30... hxg4 31. hxg4 Rh8+ 32. Kg2 Ree8 $17 {was the right way, looking to double rooks on the h-file.}) 31. Kg2 (31. gxh5 $1 $11) 31... hxg4 32. hxg4 Ree8 $17 {Transposing to the note to Black's 30th move.} 33. Ree1 (33. Re2 $142) 33... Qf6 34. Rh1 c6 $6 $15 ({It was time to cash in:} 34... Qb2+ $142 35. Qf2 Qxf2+ 36. Kxf2 Rxh1 37. Rxh1 Nxb3 $17) 35. Nh3 Rd8 36. g5 Qb2+ 37. Nf2 Rxh1 38. Rxh1 d5 $11 (38... Kf8 $142 $15 {followed by ...Ke7 was better, keeping the king safe.}) 39. cxd5 cxd5 40. Rd1 Nxb3 $6 41. exd5 $14 Nc5 42. Qf4 Kg8 $2 (42... Re8 $14) (42... Nd7 $14) 43. Kg3 $1 $18 {Now Ng4 is on tap, and Black will be mated or lose everything (and then get mated).} Nb7 ({Here's a line where Black avoids mate and catastrophic material losses, but it's hopeless too in its own way.} 43... Re8 44. Ng4 Re2 45. Nh6+ Kh7 46. Qxf7+ Qg7 47. d6 Qxf7 48. Nxf7 Nd7 49. f4 {Intending Ne5 to break the blockade.} Re8 50. Ne5 Rd8 51. Nxd7 Rxd7 52. Kf3 Kg7 53. Ke4 Kf7 54. Kd5 $18) 44. Qc7 Kg7 45. Ng4 (45. Qxb7 {is fine, as} Qe5+ 46. Kg2 Qxg5+ 47. Ng4 {ends Black's "attack".}) 45... Rh8 46. Qxb7 Qe2 47. Rg1 Qd2 48. Qe7 {White is up a piece for nothing, and his attack continues.} 1-0