Yu Vs Maghsoodloo: Cutting Edge Dutch Theory

Computer programs have revolutionized opening theory in the game of Go with new books being published with regularity. The same is true for the Royal game but without the new books being published acknowledging how the new moves were obtained. For example:

The impact upon the Royal game has been great but what about the acknowledgement? How extensively have the computer Chess programs changed the way the game is played? Do human players find new moves these daze or do they sit back and let the programs crunch the numbers and use what is found?

Yangyi Yu (2763)

vs Parham Maghsoodloo (2644)

FIDE Chess.com Grand Swiss 2019 round 07

1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. O-O O-O 6. b3 b6 7. c4 Bb7 8. Nc3 e6 9. Bf4 a5 10. Rc1 Na6 11. d5 Nc5 12. dxe6 Nxe6 13. Be5 Bh6 14. e3 Ng4 15. Nd5 Nxe5 16. Nxe5 d6 17. Nd3 Rb8 18. a3 Re8 19. b4 axb4 20. axb4 Ng5 21. b5 Bg7 22. N3b4 Ne4 23. Nc6 Bxc6 24. bxc6 Nf6 25. Nc3 Kh8 26. Ra1 Ne4 27. Nxe4 fxe4 28. Ra7 b5 29. cxb5 Rxb5 30. Qa4 Rbe5 31. Bh3 Rf8 32. Bd7 h5 33. Qa6 Rc5 34. Qb7 Rc2 35. Qb3 Rb2 36. Qe6 Qg5 37. Qxe4 d5 38. Qe6 d4 39. Rb7 dxe3 40. Rxb2 Bxb2 41. fxe3 Rxf1+ 42. Kxf1 Qf6+ 43. Qxf6+ Bxf6 44. Ke2 Kg7 45. Kf3 Be5 46. Ke4 Kf6 47. Be8 h4 48. gxh4 Bxh2 49. Kd5 Bg3 50. Ke4 ½-½

1 d4 f5 2 g3 Nf6 3 Bg2 g6 4 Nf3 Bg7 5 O-O O-O 6 b3 (SF 250919 @ depth 46 plays 6 c4, expecting 6…d6 7 Nc3, which is the Leningrad Dutch. The CBDB shows SF 10 @ depth 43 also playing 6 c4, but SF 260819 prefers the move in the game)
6…b6

(Until recently 6…d6, known as the Leningrad Dutch, was invariably played. The CBDB shows 6…d6 having been played in 1100 games. 6…b6 has only been attempted a paltry 22 times. The game move, 6…b6, is the move of Stockfish 021019 @ depth 75; SF 10 @ depth 41 plays 6…Na6 with 7 c4 Rb8 following) 7 c4 Bb7 8 Nc3 e6

(The choice of Stockfish, which is a completely different way to play. IM Boris Kogan played 6 b3 but I cannot recall him ever facing an early b6 and would like to know what the Hulk would have thought of the mirror move. For 8…Na6 see Lemos vs Alvarado Diaz below) 9 Bf4 TN (This move, the choice of Komodo, is not shown at the CBDB or 365Chess. 9 Bb2 has been the most often played move. StockFish 10 plays 9 Rb1 while SF 120919 would play 9 Bg5, neither move has yet been seen in action) 9…a5 10. Rc1 Na6 11. d5 Nc5 12. dxe6 Nxe6 13. Be5 Bh6 14. e3 Ng4 15. Nd5 Nxe5 16. Nxe5 d6 17. Nd3 Rb8 18. a3 Re8 19. b4 axb4 20. axb4 Ng5 21. b5 Bg7 22. N3b4 Ne4 23. Nc6 Bxc6 24. bxc6 Nf6 25. Nc3 Kh8 26. Ra1 Ne4 27. Nxe4 fxe4 28. Ra7 b5 29. cxb5 Rxb5 30. Qa4 Rbe5 31. Bh3 Rf8 32. Bd7 h5 33. Qa6 Rc5 34. Qb7

34…Rc2?

(At the ChessBomb Stockfish gives 34…d5 as best, showing 34…Qh6; h4; and Be5. The following variation is shown: 34… d5 35. Qxc7 Qf6 36. Qf4 Qe7 37. Qh4 Bf6 38. Qh3 Qd6 39. g4 h4 40. g5 Bxg5 41. Qg4 d4 42. c7 Rxc7 43. Rxc7 Qxc7 44. Qxg5 Qxd7 45. Qxh4+ Kg7 46. Qxe4 dxe3 47. Qe5+ Kg8 48. fxe3 Qg4+ 49. Qg3 Qe4 50. Rxf8+ Kxf8 51. Qf4+ Qxf4 52. exf4 Kf7)

35. Qb3?

(As is often the case in top level Chess these daze one ‘red move’ follows another ‘red move’ over at DaBomb. Back to back, or double blunders by the best human players happens with regularity. I’ve no idea why this is happening. Maybe double vision

is the cause. Any ideas? This is the best variation according to the Fish after crunching numbers for all of fifteen seconds) 35. Qxc7 Qxc7 36. Rxc7 Bf6 37. Be6 Bd8 38. Rc8 Be7 39. Rxf8+ Bxf8 40. Bd5 Rc5 41. Bxe4 g5 42. Rd1 Be7 43. f4 Kg7 44. Bd5 gxf4 45. gxf4 Bd8 46. Kf2 Kf6 47. e4 Rc3 48. Rb1 Rc2+ 49. Ke3 Ba5 50. Rb7 Rxh2 51. Rf7+ Kg6) Rb2 36. Qe6 Qg5 37. Qxe4 d5 38. Qe6 d4 39. Rb7 dxe3 40. Rxb2 Bxb2 41. fxe3 Rxf1+ 42. Kxf1 Qf6+ 43. Qxf6+ Bxf6 44. Ke2 Kg7 45. Kf3 Be5 46. Ke4 Kf6 47. Be8 h4 48. gxh4 Bxh2 49. Kd5 Bg3 50. Ke4 ½-½

Damian Lemos (2482) vs Alejandro Alvarado Diaz (2399)

Event: 1st La Palma GM 2019

A80 Dutch

1.d4 f5 2.Nf3 Nf6 3.g3 g6 4.Bg2 Bg7 5.O-O O-O 6.b3 b6 7.c4 Bb7 8.Nc3 Na6 9.Ba3 Ne4 10.Nxe4 Bxe4 11.Rc1 c5 12.e3 e6 13.Qe2 Qe7 14.Rfd1 d6 15.Ne1 Bxg2 16.Nxg2 Rad8 17.Rd2 e5 18.dxe5 dxe5 19.Rcd1 Nc7 20.Bb2 Ne6 21.Rd5 Nc7 22.R5d2 Ne6 23.Rd5 Nc7 24.R5d2 ½-½

Reece Thompson Battles the Restless Queens

In the fourth round of the move first, think later, Ga Open, Reece Thompson faced the veteran Senior Alan Piper and once again faced the Caro-Kann defense, and again drew his f3 sword. The Pipe responded with the currently poplar 3…Qb6, which has scored the best for Black recently, holding White to an astounding 41%! White has scored 56% versus the choice of both SF & Houey, 3…e6. The third most played move, 3…g6, has scored 57%, while the second most played move, 3…dxe4 has been hammers to the tune of 66%!

In his new book, “The Extreme Caro-Kann: Attacking Black with 3. f3,” Alexey Bezgodov titles chapter four, “3…Qb6: The Restless Queen Variation.” Reece answered with the most popular move, 4 Nc3, which has held White to only 41%. Houdini prefers the little played 4 c3, which has held White to an astoundingly low 31%, albeit in a limited number of games. I have previously seen the set-up with c3 used when Black opts for g6. Alan took a pawn with 4…dxe4. There is much disagreement about how to recapture. In the book Bezgodov writes about 5 Nxe4, “I think taking with the pawn is better.” That may be so, but Komodo takes with the Knight, after which White has scored 50% in practice. SF takes with the pawn, 5 fxe4, after which White has scored only 36%. The Pipe then plays 5…e5, about which Bezdodov says, “The whole of Black’s play is based n the possibility of this counterblow. Otherwise he is simply worse.” Reece played 6 Nf3, the most frequently played move, which also happens to be the choice of both SF & Houey, but it has only scored 32%! GM Larry Christiansen played 6 dxe5, a move not for the faint of heart, but possibly the best move, against GM Joel Benjamin at the 2010 US Championship. In a limited number of games Larry C’s move has scored far better, 54%, than 6 Nf3, which is not discussed in the book. After 6…exd4 one Stockfish plays 7 Nxd4, while the other SF plays 7 Qxd4. My antiquated Houdi plays the latter move. The Pipe responded with ‘s 7…Nf6. At this point Reece played a TN, 8 Bc4. The usual move, 8 e5, is also the choice of SF. Alan responded to the new move with 8…Bc5, with advantage. 8…Bg4 is the first choice of both Houdini & Komodo. After the young man checked the Queen with 9 Na4, the older veteran played 9…Qb4, when both Komodo & Houdini prefer 9…Qa5+. Like Lewis & Clark, the players were now exploring new territory.

Reece Thompson (2116) vs Alan Piper (2055)
Georgia Open Rd 4 Hurry up time control
1. e4 c6 2. d4 d5 3. f3 Qb6 4. Nc3 dxe4 5. fxe4 e5 6. Nf3 exd4 7. Nxd4 Nf6 8. Bc4 Bc5 9. Na4 Qb4 10. c3 Qxc4 11. b3 Qa6 12. Nxc5 Qb6 13. Na4 Qc7 14. O-O O-O 15. Bf4 Qa5 16. Bd6 Re8 17. e5 Ne4 18. Qf3 Nxd6 19. exd6 f6 20. Rae1 Rf8 21. Re7 c5 22. Qg3 g6 23. Qh4 h5 24. Rxf6 Bg4 25. Rxf8 1-0

Nikita Vitiugov (2555) – Lasha Janjgava (2479)
B12 Sevan Blue

1. e4 c6 2. d4 d5 3. f3 Qb6 4. Nc3 dxe4 5. fxe4 e5 6. Nf3 exd4 7. Nxd4 Bc5 8. Na4 Qa5+ 9. c3 Be7 10. b4 Qe5 11. Bd3 Nf6 12. O-O O-O 13. Bf4 Qh5 14. Qe1 Re8 15. Qg3 Nbd7 16. e5 Nd5 17. Nf5 Bf8 18. Bh6 g6 19. Bxf8 Nxf8 20. Nd6 Re7 21. Rae1 b6 22. Ne4 Qh6 23. Nb2 b5 24. Bc2 Be6 25. Bb3 a5 26. bxa5 Rxa5 27. Nd3 Kh8 28. Ndc5 Raa7 29. Nd6 Qg7 30. Qf2 Ra8 31. Qd4 Nc7 32. Qh4 g5 33. Qd4 Ng6 34. Nxe6 Nxe6 35. Qb6 1-0

Mr. Thompson faced yet another Caro-Kann in the sixth round and his opponent once again had a restless Queen. Neo chose the wrong color pill.

Reece Thompson (2116) vs Neo Zhu (1780)
Georgia Open Rd 6

1. e4 c6 2. d4 d5 3. f3 Qb6 4. Nc3 e6 5. a3 Nf6 6. Bf4 Be7 7. Nh3 h6 8. Be2 Nbd7 9. O-O Nh5 10. Be3 Nhf6 11. Qd2 Nf8 12. e5 N6d7 13. f4 c5 14. Kh1 a6 15. f5 cxd4 16. Bxd4 Qd8 17. Bh5 exf5 18. Nf4 Nb8 19. Ncxd5 Bg5 20. Bb6 Bxf4 21. Rxf4 Qd7 22. Nc7 Ke7 23. Qb4 Kd8 24. Ne6 Ke8 25. Nxg7 1-0

Once again Reese plays a TN with 6 Bf4. SF plays 6 e5, which could be considered the “normal” move.

Yangyi Yu ( 2585) vs Weiqi Zhou (2585)
Danzhou 1st 2010

1. e4 c6 2. d4 d5 3. f3 e6 4. Nc3 Nf6 5. Bf4 Qb6 6. a3 c5 7. Qd2 cxd4 8. Nb5 Na6 9. O-O-O Bd7 10. Nxd4 dxe4 11. fxe4 Nc5 12. Ngf3 Ncxe4 13. Qe1 Bc5 14. b4 Bd6 15. Bxd6 Nxd6 16. Ne5 Rd8 17. g4 h6 18. Bg2 Ba4 19. h4 Nb5 20. Nxb5 Rxd1+ 21. Qxd1 Bxb5 22. Kb1 Nd7 23. Nxd7 Bxd7 24. Rh3 Ke7 25. Rd3 Rd8 26. Qd2 Bc6 27. Bxc6 Rxd3 28. Qxd3 Qxc6 29. Qd4 Qh1+ 30. Kb2 b6 31. Qe5 Qd5 32. Qxg7 e5 33. g5 hxg5 34. Qxg5+ Ke6 35. Qg4+ Kf6 36. Qg5+ Ke6 37. Qg4+ Kf6 38. Qg5+ Ke6 39. Qg4+ 1/2-1/2

Yes – I’ve Seen All Good People