[Event "Fall Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.09.10"]
[Round "1.1"]
[White "Bortnyk, Olexandr"]
[Black "Robson, Ray"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2602"]
[BlackElo "2653"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,68,8,13,0,-7,-19,4,6,4,-19,0,0,6,10,7,8,17,25,22,26,18,19,41,38,36,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. d4 cxd4 6. cxd4 d6 7. Bc4 Nb6 8. Bb5 dxe5 9. Nxe5 Bd7 10. Nxd7 Qxd7 11. Nc3 e6 12. O-O Be7 13. Qg4 O-O 14. Rd1 {B22: Sicilian: 2 c3} (14. Bxc6 bxc6 15. Bh6 Bf6 16. Rad1 Kh8 17. Ne4 Qe7 18. Bf4 Rad8 19. Qg3 Rg8 20. Bd6 Qd7 21. Bc7 Rc8 {1-0 (83) Vajda,L (2596)-Markos,J (2572) Slovakia 2017}) 14... Rfd8 15. Bh6 {[%csl Gh6][%cal Rg4g7] [#]} Bf8 16. Bg5 Be7 17. Bh6 {[%csl Gh6][%cal Rg4g7]} Bf8 18. Bg5 Be7 19. d5 exd5 20. Qxd7 Rxd7 21. Bxe7 Rxe7 22. Nxd5 Nxd5 23. Rxd5 a6 24. Bxc6 bxc6 $14 {[%mdl 4096] Endgame KRR-KRR} 25. Rc5 $146 Re2 {The position is equal.} 26. b3 Rd8 27. Ra5 Rdd2 28. Rxa6 {[#] White threatens Ra8+ and mate.} g6 29. Rf1 Rxa2 30. Rxc6 Reb2 31. Rb6 Ra3 32. b4 Rab3 33. g3 Rxb4 34. Rxb4 Rxb4 {Accuracy: White = 70%, Black = 83%.} 1/2-1/2

[Event "Fall Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.09.10"]
[Round "1.2"]
[White "Ipatov, Alexander"]
[Black "Melkumyan, Hrant"]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "2650"]
[BlackElo "2653"]
[Annotator "RC"]
[PlyCount "138"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. Nf3 {[%emt 0:00:00]} c5 {[%emt 0:00:22]} 2. c4 {[%emt 0:00:56]} Nc6 {[%emt 0:00:19]} 3. Nc3 {[%emt 0:00:54]} g6 {[%emt 0:01:03]} 4. g3 {[%emt 0:03:45]} Bg7 {[%emt 0:01:15]} 5. Bg2 {[%emt 0:00:19]} e5 {[%emt 0:02:47]} 6. d3 {[%emt 0:02:00]} Nge7 {[%emt 0:00:13]} 7. O-O {[%emt 0:02:47]} d6 {[%emt 0:00:43]} 8. Rb1 {[%emt 0:00:47]} O-O {[%emt 0:01:25]} 9. a3 {[%emt 0:01:40]} a5 {[%emt 0:01:01]} 10. Bd2 {[%emt 0:06:31]} h6 {[%emt 0:02:05]} 11. Ne1 {[%emt 0:07:24]} Be6 {[%emt 0:00:17]} 12. Nc2 {[%emt 0:07:05]} d5 {[%emt 0:09:07]} 13. cxd5 {[%emt 0:04:46]} Nxd5 {[%emt 0:00:17]} 14. Ne3 {[%emt 0:00:04]} Nde7 {[%emt 0:01:31]} 15. Na4 {[%emt 0:03:17]} b6 {[%emt 0:07:03]} 16. b4 {[%emt 0:00:31]} cxb4 {[%emt 0:01:30]} 17. axb4 {[%emt 0:00:04]} b5 {[%emt 0:01:58]} 18. Nc5 {[%emt 0:09:03]} Ba2 {[%emt 0:00:45]} 19. bxa5 {[%emt 0:16:23]} Bxb1 {[%emt 0:00:50]} 20. Qxb1 {[%emt 0:00:01]} Nd4 {[%emt 0:00:33]} 21. Re1 {[%emt 0:01:25]} Ra7 {[%emt 0:12:37]} 22. Kf1 {[%emt 0:01:01]} Nec6 {[%emt 0:05:30]} 23. Nd5 {[%emt 0:04:52]} Nxa5 {[%emt 0:06:09]} 24. e3 {[%emt 0:00:55]} Nf5 {[%emt 0:09:12]} 25. Qxb5 {[%emt 0:02:30]} Nd6 {[%emt 0:00:08]} 26. Qa4 {[%emt 0:07:03]} Qe8 {[%emt 0:01:34]} 27. Qh4 {[%emt 0:05:34]} Qb5 {[%emt 0:04:34]} 28. Kg1 {[%emt 0:05:05]} Nf5 {[%emt 0:02:30]} 29. Qb4 {[%emt 0:00:43]} Qxb4 {[%emt 0:02:08]} 30. Bxb4 {[%emt 0:01:35]} Nc6 {[%emt 0:00:38]} 31. Bc3 {[%emt 0:02:14]} Nce7 {[%emt 0:03:53]} 32. Rb1 {[%emt 0:02:19]} Rc8 {[%emt 0:01:11]} 33. Nxe7+ {[%emt 0:01:05]} Rxe7 {[%emt 0:01:10]} 34. Ne4 {[%emt 0:00:36]} Rd7 {[%emt 0:01:53]} 35. Bf1 {[%emt 0:00:59]} Nd6 {[%emt 0:03:29]} 36. Nxd6 {[%emt 0:00:03]} Rxd6 {[%emt 0:03:28]} 37. Rb3 {[%emt 0:00:03]} Rdc6 {[%emt 0:00:45]} 38. Bb2 {[%emt 0:00:01]} Rc2 {[%emt 0:00:44]} 39. Bh3 {[%emt 0:02:05]} Ra8 {[%emt 0:02:01]} 40. Ba3 {[%emt 0:00:00]} Bf8 {[%emt 0:00:00]} 41. Bb2 {[%emt 0:01:52]} Bd6 {[%emt 0:03:06]} 42. d4 {[%emt 0:13:23]} Rb8 {[%emt 0:02:01]} 43. Rxb8+ {[%emt 0:00:04]} Bxb8 {[%emt 0:00:10]} 44. Ba3 {[%emt 0:00:01]} exd4 {[%emt 0:00:23]} 45. exd4 {[%emt 0:00:01]} Ba7 {[%emt 0:00:10]} 46. Bc5 {[%emt 0:00:03]} Bxc5 {[%emt 0:00:10]} 47. dxc5 {[%emt 0:00:00]} Rxc5 {[%emt 0:00:16]} 48. Bg4 {[%emt 0:02:41]} g5 {[%emt 0:02:53]} 49. Bf3 {[%emt 0:00:22]} Kg7 {[%emt 0:00:10]} 50. Kg2 {[%emt 0:00:42]} Kf6 {[%emt 0:00:47]} 51. Bb7 {[%emt 0:01:27]} Ke5 {[%emt 0:00:10]} 52. Kf3 {[%emt 0:00:05]} Rc7 {[%emt 0:00:48]} 53. Ba6 {[%emt 0:01:01]} Rc3+ {[%emt 0:01:57]} 54. Kg2 {[%emt 0:01:28]} Kd4 {[%emt 0:00:32]} 55. Be2 {[%emt 0:02:06]} Rc6 {[%emt 0:01:29]} 56. Bh5 {[%emt 0:02:48]} Rf6 {[%emt 0:00:12]} 57. Be2 {[%emt 0:02:21]} Kc3 {[%emt 0:00:22]} 58. Kf1 {[%emt 0:00:32]} Kd2 {[%emt 0:00:18]} 59. Bc4 {[%emt 0:00:22]} Rf5 {[%emt 0:00:10]} 60. Kg2 {[%emt 0:04:58]} Ke1 {[%emt 0:01:07]} 61. f3 {[%emt 0:00:02]} Kd2 {[%emt 0:00:57]} 62. Kf2 {[%emt 0:00:48]} Kc3 {[%emt 0:00:07]} 63. Ba2 {[%emt 0:01:25]} Kd4 {[%emt 0:00:44]} 64. h4 {[%emt 0:01:33]} gxh4 {[%emt 0:02:47]} 65. gxh4 {[%emt 0:00:14]} Rf4 {[%emt 0:00:08]} 66. Kg3 {[%emt 0:01:08]} Ke3 {[%emt 0:00:53]} 67. Bd5 {[%emt 0:00:09]} f5 {[%emt 0:02:04]} 68. h5 {[%emt 0:02:26]} Ra4 {[%emt 0:00:12]} 69. Bc6 {[%emt 0:01:18]} f4+ {[%emt 0:00:08]} 0-1

[Event "Fall Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.09.10"]
[Round "1.3"]
[White "Lenderman, Aleksandr"]
[Black "Akobian, Varuzhan"]
[Result "1/2-1/2"]
[ECO "D61"]
[WhiteElo "2645"]
[BlackElo "2618"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,84,7,22,17,25,0,7,0,8,13,14,6,16,0,7,0,14,0,1,-11,-12,-7,0,-11,-12,-9,0,-37,-23,-27,0,0,0,0,0,-25,0,0,0,0,0,0,0,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bg5 Be7 5. e3 O-O 6. Qc2 Nbd7 7. Nc3 h6 8. Bh4 c6 9. cxd5 exd5 10. Bd3 Re8 11. O-O Ne4 12. Bxe7 Qxe7 13. Rab1 Ng5 (13... Nb6 {is interesting.} 14. Nd2 Nd6 15. Ne2 Be6 16. Nf4 g6) 14. Nxg5 {D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2)} hxg5 15. b4 Nf6 16. Ne2 $146 ({Predecessor:} 16. b5 Qd6 17. bxc6 Ng4 18. g3 Qh6 19. f3 Nxe3 20. Rfe1 Qxc6 21. Qd2 Nc4 22. Rxe8+ Qxe8 {1-0 (31) Bukal,V (2414)-Krasevec,V (2065) Arvier 2006}) 16... Bd7 17. Qc5 Ne4 18. Qxe7 Rxe7 19. Bxe4 Rxe4 20. Rfc1 Ree8 21. Nc3 Rac8 22. a4 Bf5 23. Ra1 Bd3 24. Nd1 g4 25. Rc3 Bf5 26. Nb2 Kf8 27. Nd3 Bxd3 28. Rxd3 $11 {[%mdl 4096] Endgame KRR-KRR} Ke7 29. Rc3 Kd6 30. Rac1 Re7 31. g3 {The position is equal.} g5 32. Kg2 f5 33. h3 gxh3+ 34. Kxh3 g4+ 35. Kg2 Rh8 36. Kf1 Rh1+ 37. Ke2 Rxc1 38. Rxc1 Rh7 39. a5 a6 40. Kd3 Rh2 41. Ke2 Rh7 42. Kd3 Rh2 {Accuracy: White = 59%, Black = 64%.} 1/2-1/2

[Event "Fall Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.09.10"]
[Round "1.4"]
[White "Durarbayli, Vasif"]
[Black "Smirin, Ilia"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2626"]
[BlackElo "2599"]
[Annotator "RC"]
[PlyCount "76"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:30]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:14]} 3. g3 {[%emt 0:00:27]} c5 {[%emt 0:00:23]} 4. Nf3 {[%emt 0:02:51]} cxd4 {[%emt 0:00:35]} 5. Nxd4 {[%emt 0:00:14]} d5 {[%emt 0:00:28]} 6. Bg2 {[%emt 0:00:52]} e5 {[%emt 0:00:29]} 7. Nf3 {[%emt 0:02:03]} d4 {[%emt 0:00:50]} 8. O-O {[%emt 0:00:22]} Nc6 {[%emt 0:00:04]} 9. e3 {[%emt 0:00:08]} Be7 {[%emt 0:00:23]} 10. exd4 {[%emt 0:00:24]} exd4 {[%emt 0:00:14]} 11. b4 {[%emt 0:00:18]} Bxb4 {[%emt 0:08:52]} 12. Nxd4 {[%emt 0:10:42]} O-O {[%emt 0:05:47]} 13. Nxc6 {[%emt 0:07:16]} Qxd1 {[%emt 0:05:28]} 14. Rxd1 {[%emt 0:00:49]} bxc6 {[%emt 0:00:03]} 15. Ba3 {[%emt 0:24:07]} Rb8 {[%emt 0:03:18]} 16. Bxc6 {[%emt 0:00:16]} Bh3 {[%emt 0:18:34]} 17. Bxb4 {[%emt 0:09:01]} Rxb4 {[%emt 0:00:14]} 18. Nd2 {[%emt 0:02:50]} h5 {[%emt 0:05:28]} 19. Rab1 {[%emt 0:05:41]} Rfb8 {[%emt 0:16:26]} 20. Rb3 {[%emt 0:06:43]} R8b6 {[%emt 0:03:58]} 21. Bf3 {[%emt 0:06:17]} Ra4 {[%emt 0:02:39]} 22. c5 {[%emt 0:00:58]} Rba6 {[%emt 0:08:53]} 23. c6 {[%emt 0:01:48]} Rxa2 {[%emt 0:00:15]} 24. Ne4 {[%emt 0:03:10]} Nxe4 {[%emt 0:03:37]} 25. Bxe4 {[%emt 0:02:12]} g6 {[%emt 0:00:08]} 26. c7 {[%emt 0:01:25]} Kg7 {[%emt 0:01:45]} 27. Bg2 {[%emt 0:04:02]} Bc8 {[%emt 0:00:46]} 28. Rb8 {[%emt 0:01:01]} Rd6 {[%emt 0:02:44]} 29. Rf1 {[%emt 0:00:26]} Be6 {[%emt 0:00:07]} 30. c8=Q {[%emt 0:00:29]} Bxc8 {[%emt 0:00:03]} 31. Rxc8 {[%emt 0:00:04]} Rdd2 {[%emt 0:00:13]} 32. Rc5 {[%emt 0:00:31]} a5 {[%emt 0:00:21]} 33. Bd5 {[%emt 0:00:11]} Ra3 {[%emt 0:00:14]} 34. Rb1 {[%emt 0:00:24]} Rad3 {[%emt 0:00:17]} 35. Bc6 {[%emt 0:01:44]} Ra3 {[%emt 0:00:42]} 36. Rc4 {[%emt 0:02:48]} Raa2 {[%emt 0:00:41]} 37. Rf4 {[%emt 0:00:35]} f5 {[%emt 0:00:10]} 38. h4 {[%emt 0:00:12]} Rac2 {[%emt 0:00:18]} 1-0

[Event "Fall Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.09.10"]
[Round "1.5"]
[White "Van Foreest, Jorden"]
[Black "Swiercz, Dariusz"]
[Result "1/2-1/2"]
[ECO "D41"]
[WhiteElo "2622"]
[BlackElo "2648"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,66,15,10,12,9,14,14,14,16,14,15,15,5,18,16,17,15,15,0,23,17,19,15,21,24,27,17,26,22,23,15,13,12,16,6,9,8,8,0,0,0,8,8,8,8,8,8,8]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O 11. Bd3 Nc6 {D41: Queen's Gambit Declined: Semi-Tarrasch with 5 cxd5} 12. Bc2 Qa5 (12... b6 13. O-O Bb7 14. d5 Na5 15. dxe6 fxe6 16. Qe2 Rc8 17. Rad1 Qc7 18. Nd4 Qe5 19. Rfe1 {½-½ (37) Wojtaszek,R (2737)-Kramnik,V (2794) Antalya 2017}) 13. Qxa5 Nxa5 14. Bd3 b6 15. Kd2 Bb7 16. Rac1 Rac8 17. h4 $146 ({Predecessor:} 17. Ne5 Rfd8 18. Rxc8 Rxc8 19. Rc1 Rxc1 20. Kxc1 {1-0 (48) Ubiennykh,E (2285)-Gaponenko,I (2380) Khanty-Mansiysk 2014}) 17... h6 18. Ke3 Nc6 19. a3 Rfd8 20. Rc3 Ne7 21. Rhc1 Rxc3 22. Rxc3 {[#] Hoping for Rc7.} Rc8 23. Rxc8+ Nxc8 $11 {[%mdl 4096] Endgame KBN-KBN} 24. g4 Kf8 25. Ne5 Ke7 {The position is equal.} 26. f4 Nd6 27. f5 b5 28. fxe6 fxe6 29. Ng6+ Kf7 30. Nf4 a6 31. g5 hxg5 32. hxg5 Ke7 33. Ng6+ Kf7 {Accuracy: White = 67%, Black = 68%.} 1/2-1/2

[Event "Fall Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.09.11"]
[Round "2.1"]
[White "Robson, Ray"]
[Black "Swiercz, Dariusz"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "2653"]
[BlackElo "2648"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,112,20,0,16,14,10,10,11,7,20,2,2,6,6,0,6,14,12,8,7,21,39,14,22,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-17,-26,-12,-31,-19,-124,-110,-177,-172,-164,-152,-139,-136,-266,-248,-381,-408,-476,-170,-170,-165,-150,-156,-156,-155,-204,-198,-231,-220,-300,-297,-405,-380,-417,-418,-568,-564,-677,-673,-671,-669,-824,-817,-807,-800,-5582,-5575,-5495,-5450,-5443,-5197,-5485,-1528,-29966,-29967,-29948,-29953,-29969,-29969,-11601,-5422]} 1. e4 c5 2. Nf3 Nc6 3. Nc3 e5 4. Bc4 Be7 5. d3 d6 6. O-O Nf6 7. Ng5 O-O 8. f4 Bg4 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6} 9. Qe1 exf4 (9... h6 10. Nf3 Nd4 11. fxe5 Bxf3 12. exf6 Bxf6 13. Rxf3 Nxc2 14. Qd1 Bd4+ 15. Kh1 Nxa1 16. Bd2 {0-1 (61) Saric,I (2695)-Melkumyan,H (2670) St Petersburg 2018}) 10. Bxf4 Nd4 {The position is equal.} 11. Qd2 Qd7 12. a4 a6 13. e5 dxe5 14. Bxe5 Bf5 15. Rae1 h6 $146 ({Predecessor:} 15... Rae8 16. Bxf6 Bxf6 17. Rxe8 Qxe8 {½-½ (35) Marcinkiewicz,J (2447)-Saksis,J (2453) ICCF email 2006}) 16. Nf3 Rae8 17. h3 Bh7 18. Nxd4 cxd4 19. Bxf6 Bxf6 20. Rxe8 Rxe8 21. Nd5 Bg5 22. Qf2 {Strongly threatening h4.} Bg6 23. Kh1 Be3 24. Qg3 Kh7 25. Bb3 f5 26. Qf3 Re5 27. Nb6 Qc7 28. Nc4 Re8 29. Nxe3 (29. g3 $11) 29... dxe3 $17 30. Re1 (30. Qe2 $17 {keeps fighting.}) 30... f4 $19 31. g3 Qa5 ({Worse is} 31... fxg3 32. Rxe3 Rxe3 33. Qxe3 $11) 32. Re2 fxg3 $1 33. Qxg3 (33. Bf7 $17 Bxf7 34. Qxf7) 33... Qh5 34. Qg4 (34. Re1 {only move.}) 34... Qe5 $1 35. Re1 Bh5 $2 (35... Rf8 {...Rf2 is the strong threat.} 36. Qe6 Qg3) 36. Qe4+ Qxe4+ 37. dxe4 Rxe4 {[%mdl 4096] Endgame KRB-KRB} 38. Bd5 {[#]} Re7 $1 ({Don't do} 38... Rxa4 39. Bxb7 a5 40. Rxe3 $17) 39. a5 g5 40. Kg2 {[#]} Kg6 $1 41. c4 Kf5 42. b4 Kf4 43. b5 Bg6 44. Rf1+ Ke5 45. Bf3 Bd3 $1 {[%csl LRb5,LRc4,LRf1]} 46. Rc1 Kd4 47. bxa6 bxa6 48. c5 e2 49. Kf2 e1=Q+ 50. Rxe1 Rxe1 51. Kxe1 Kxc5 {KB-KB} 52. Kf2 Kb4 53. Kg3 Kxa5 54. Kg4 Bg6 55. h4 gxh4 56. Be2 Kb6 {Accuracy: White = 37%, Black = 81%.} 0-1

[Event "Fall Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.09.11"]
[Round "2.2"]
[White "Smirin, Ilia"]
[Black "Van Foreest, Jorden"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2599"]
[BlackElo "2622"]
[Annotator "TA"]
[PlyCount "157"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,157,26,14,8,5,6,0,0,0,12,12,36,37,38,37,46,37,48,34,44,40,77,85,76,78,243,234,250,244,286,208,224,132,292,282,401,393,460,454,445,455,440,441,442,419,501,345,340,126,247,0,0,0,101,107,107,107,107,107,107,107,107,107,96,89,90,90,83,86,91,89,90,91,180,179,172,164,159,145,145,99,285,278,205,77,77,79,77,25,157,152,137,137,148,148,228,225,207,147,147,147,133,34,31,34,34,8,8,8,11,8,8,8,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,4614,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. Nc3 e5 4. Bc4 d6 5. d3 Be7 6. h3 Nf6 7. O-O O-O 8. a3 a6 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6} (8... Be6 9. Nd5 Bxd5 10. exd5 Nd4 11. Nh2 Qd7 12. f4 e4 13. c3 Nf5 14. g4 Nh4 15. Qe1 b5 16. Ba2 exd3 17. Qxh4 {½-½ (34) Nakamura,H (2769)-Vachier Lagrave,M (2789) Leuven 2018}) 9. Nd5 b5 10. Nxf6+ Bxf6 11. Bd5 Qc7 $146 (11... Bd7 {seems wilder.} 12. b4 Rc8 13. bxc5 dxc5 14. Be3 Ne7) ({Predecessor:} 11... Bd7 12. b4 Rc8 13. c3 Be6 14. Bxe6 fxe6 15. bxc5 dxc5 16. Be3 {0-1 (37) Polovka,M (1887)-Nadzamova,S (1734) Slovakia 2014}) 12. b4 Be6 (12... Bb7 {is interesting.} 13. bxc5 dxc5 14. Nh2 Be7 15. Ng4 Nd4) 13. Bxe6 $1 fxe6 14. c3 Ne7 15. Be3 Ng6 16. g3 c4 17. a4 d5 18. Bc5 Rfd8 19. axb5 dxe4 $2 (19... axb5 $16 20. Rxa8 Rxa8) 20. Nd2 $18 {[%mdl 64] Double Attack} exd3 21. Qf3 ({Much less strong is} 21. Rxa6 $6 Qb7) (21. bxa6 $6 Qc6) 21... Ne7 22. Bxe7 ({Resist} 22. bxa6 $6 Nd5 $16) 22... Bxe7 23. bxa6 (23. Rxa6 $18 Rab8 24. Qc6 (24. Rxe6 Rxb5 25. Nxc4 Bf8 $16)) 23... Bg5 $2 (23... Qb6 $16) 24. Ne4 Be7 (24... Bh6 $142 25. Nc5 Qd6) 25. b5 Qb6 26. Rfb1 Rd5 27. Qe3 Bc5 28. Nxc5 Rxc5 29. Rb4 h6 30. Rab1 Rb8 31. Qe4 $2 (31. Kg2 $18 {has better winning chances.}) 31... d2 (31... Rd8 $16 {might work better.} 32. R4b2 d2) 32. Qc2 $2 (32. Rd1 $1 $18) 32... Rd5 33. Rd1 Rbd8 (33... Rxb5 $11 34. Rxb5 Qxb5) 34. Qe4 $1 $16 Rxb5 35. Rxb5 Qxb5 {[%mdl 4096] Endgame KQR-KQR} 36. a7 Qd5 37. Qxd5 exd5 38. Rxd2 {KR-KR} Ra8 39. Rxd5 Rxa7 40. Rxe5 Ra1+ 41. Kg2 Rc1 42. Re3 Kf7 43. Kf3 Rc2 (43... Kf6 $16 {was called for.}) 44. Ke4 $1 $18 Rd2 45. Rf3+ Ke6 46. h4 Rd1 47. h5 Rd5 $2 (47... Rh1 $16 {was necessary.}) 48. g4 $1 Rd1 49. Re3 (49. Ke3 $1 $18 {is the precise move to win.}) 49... Kf6 $16 50. Kf4 Rc1 51. Rf3 ({White should try} 51. g5+ $16 hxg5+ 52. Kg4) 51... Ke6 (51... Rg1 $1 $11 {remains equal.}) 52. g5 $1 Rh1 53. Kg4 Rg1+ 54. Rg3 Rf1 (54... Re1 $16 55. Kf4 Rc1 56. Re3+ Kf7 57. gxh6 gxh6) 55. Re3+ $18 Kf7 56. g6+ Kf6 {[#]} 57. Rf3+ $1 Ke6 {[#]} 58. Rf7 (58. Rf5 $1 $16) 58... Rg1+ $14 59. Kf4 Rg5 $1 60. Ke4 Re5+ 61. Kd4 Rxh5 62. Kxc4 Rf5 63. Rxg7 {And now Rg8 would win.} Rxf2 64. Rg8 {Black must now prevent Re8+.} Rg2 65. Kb5 h5 66. c4 {c5 is the strong threat.} Rb2+ 67. Kc6 Kf6 $1 68. c5 {Threatens to win with g7.} h4 69. g7 {Strongly threatening Rh8.} Rh2 $1 70. Kc7 {Hoping for c6.} (70. Rd8 {feels hotter.} Kxg7 71. Rd3 Kf6 72. Kd6 Rc2 73. c6) 70... h3 71. c6 Rh1 $2 {[%mdl 8192]} (71... Rg2 $11) 72. Rf8+ $2 (72. Rd8 $18 Kxg7 73. Rd3) 72... Kxg7 $11 {The position is equal.} 73. Rf3 Kg6 74. Rc3 Kg5 75. Kc8 h2 76. Rc2 Kf4 77. c7 Kg3 78. Rc3+ Kg2 79. Rc2+ {Accuracy: White = 67%, Black = 61%.} 1/2-1/2

[Event "Fall Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.09.11"]
[Round "2.3"]
[White "Akobian, Varuzhan"]
[Black "Durarbayli, Vasif"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2618"]
[BlackElo "2626"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,101,12,14,4,22,19,14,11,25,11,30,3,54,52,67,26,23,23,8,0,0,0,-4,-3,0,0,0,0,0,0,0,0,0,-46,-47,-47,-46,-62,-62,-62,-62,-62,-62,-62,-62,-62,-62,-80,-24,-23,-12,-16,-8,-4,-4,-25,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Be3 Qa5 9. Nd2 {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3} (9. Qd2 Nc6 10. Rb1 a6 11. Rc1 cxd4 12. cxd4 Qxd2+ 13. Kxd2 f5 14. e5 O-O 15. Bc4+ e6 16. Ke2 Bd7 17. h4 Rfc8 18. Ng5 Nd8 19. Bb3 h6 20. Nh3 Rxc1 21. Rxc1 Rc8 22. Rxc8 Bxc8 {0-1 (49) Akobian,V (2641)-Durarbayli,V (2618) Saint Louis 2018}) 9... cxd4 10. Nc4 Qd8 ({Don't blunder} 10... Qxc3+ $2 11. Bd2 $18) 11. cxd4 O-O 12. Rc1 f5 13. Qb3 {And now Nd6+ would win.} Be6 (13... f4 $11 14. Nb6+ e6 15. Rxc8 (15. Nxa8 fxe3 16. fxe3 Qh4+ 17. Kd1 Qxe4 $11) 15... Qxb6 16. Rxf8+ Kxf8 17. Bxf4 Nc6) 14. Qxb7 $14 Nd7 15. Qa6 $146 ({Predecessor:} 15. d5 Bf7 16. f3 fxe4 17. fxe4 {0-1 (75) Repka,C (2491)-Melkumyan,H (2660) Caleta 2019}) 15... Nb6 $1 {Hoping for ...f4.} 16. d5 Bf7 17. Nxb6 axb6 18. Qxb6 Qxb6 19. Bxb6 Rfb8 20. Be3 Bb2 $36 {[%mdl 2048] Black has the initiative.} 21. Rd1 Bc3+ 22. Bd2 Bxd2+ 23. Rxd2 Rb1+ 24. Rd1 (24. Ke2 {is more complex.} fxe4 25. g3 Rb5 26. Bh3 Rxd5 27. Rhd1) 24... Rxd1+ 25. Kxd1 {With the idea Bc4.} Rxa2 26. exf5 gxf5 $15 {[%mdl 4096] Endgame KRB-KRB} 27. Ke1 Bxd5 {aiming for ...Ra1+.} 28. f3 e5 {Strongly threatening ...e4.} 29. Be2 $1 Ra1+ 30. Bd1 Kg7 $1 31. Kd2 {[#]} Bb3 $1 {[%mdl 512]} 32. g3 $11 (32. Bxb3 Rxh1) 32... Kf6 33. Re1 Ra2+ 34. Ke3 {[#]} f4+ $1 {[%mdl 512]} 35. Kd3 (35. gxf4 exf4+) 35... Bxd1 36. Rxd1 {KR-KR. The position is equal.} Rf2 37. gxf4 Rxf3+ {[%mdl 64] Double Attack} 38. Ke2 $1 {[%cal Re2f3]} Rxf4 39. Rd6+ Kg5 40. Re6 Rf5 41. Ke3 Kg4 42. Rh6 Rf7 43. Ke4 Kg5 44. Re6 Rf2 45. Rxe5+ Kg4 46. h3+ Kh4 47. Rf5 Rxf5 48. Kxf5 Kxh3 49. Kg5 Kg3 50. Kh6 Kg4 51. Kxh7 {Accuracy: White = 81%, Black = 67%.} 1/2-1/2

[Event "Fall Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.09.11"]
[Round "2.4"]
[White "Melkumyan, Hrant"]
[Black "Lenderman, Aleksandr"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2653"]
[BlackElo "2645"]
[Annotator "TA"]
[PlyCount "160"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,160,16,10,21,8,15,0,-3,-16,-18,-20,-14,-41,-10,-12,-15,-15,0,-22,-15,-12,0,0,0,-9,-6,-29,-25,-13,-13,-35,-39,-45,-51,-56,-58,-60,-58,-55,-17,-14,-5,-24,0,0,0,0,0,-23,-23,-181,0,-17,0,0,0,0,0,-89,0,0,0,0,0,0,0,0,0,0,17,12,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-9,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-79,-79,-79,-79,-79,-79,-79,-79,-79,-79,-79,-79,-79,-79,-79,-79,-79,-79,-79,-79,-79,-79,-79,-79,-79,-71,-81,-81,-81,-81,-81,-81,-81,-81,-81,-81,-81,-71,-81,-71,-81,-81]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bh4 Bf5 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4)} (7... O-O 8. e3 Bf5 9. Be2 Nbd7 10. Qb3 Ba5 11. O-O c6 12. Ne5 Qb6 13. Nxd7 Nxd7 14. Rfc1 Qxb3 15. axb3 {½-½ (26) Giri,A (2797)-Navara,D (2739) Shamkir 2019}) 8. e3 Nbd7 9. Be2 c6 {The position is equal.} 10. Qb3 $146 ({Predecessor:} 10. O-O Bd6 11. Rc1 O-O 12. Na4 g5 13. Bg3 Bxg3 14. hxg3 Qe7 15. Nc5 Nxc5 16. dxc5 {½-½ (60) Rogozenco,D (2500)-Iljin,T (2330) Moscow 2016}) 10... Qb6 11. Nd2 O-O 12. Bg3 Rfe8 13. O-O Bf8 14. Rfc1 a5 15. a3 Qxb3 16. Nxb3 a4 17. Nd2 Re6 18. Bd1 b5 19. Bc2 (19. h3 {is more complex.} Nb6 20. Be5 Nfd7 21. Bh2 Ree8 22. Be2) 19... Bxc2 20. Rxc2 Nb6 21. Ne2 Nc4 22. Nf4 Ree8 23. Nd3 Ne4 24. Nxe4 dxe4 25. Nf4 Rad8 26. Ne2 Rd7 27. h3 f6 28. Nc3 Nb6 29. Rac1 Kf7 30. Nd1 Nc4 31. Nc3 $2 {[#]} (31. Bh2 $11 {and White is okay.}) 31... Nb6 $2 (31... Nxb2 $1 $19 {[%mdl 512]} 32. Rf1 (32. Rxb2 Bxa3) 32... Nc4 33. Nxa4 Nxa3) 32. Kf1 Re6 33. Ke2 f5 34. Nb1 Nc4 35. Nd2 {[#]} (35. Rd1 $11) 35... Nxd2 (35... Nxb2 $1 $17 {[%mdl 512] Strongly threatening ...Nd3.} 36. Rxb2 Bxa3) 36. Rxd2 Rd5 37. Bc7 Ke8 38. Bb6 Kd7 39. Rdc2 Be7 40. Bc5 {Hoping for Bxe7.} Bf6 41. Rb1 Re8 42. b3 axb3 43. Rxb3 Ra8 44. Ra2 Ke6 45. a4 bxa4 46. Rba3 Rd7 47. Rxa4 Rxa4 48. Rxa4 $11 {[%mdl 4096] Endgame KRB-KRB} Rb7 49. Bb4 Rb5 50. g3 h5 51. Bc3 c5 52. Kd2 cxd4 53. Bxd4 Bxd4 54. Rxd4 {KR-KR} Rb2+ 55. Ke1 Rb1+ 56. Ke2 {[#]} h4 $1 {[%mdl 512]} 57. gxh4 Rh1 58. Rd8 g6 59. Rh8 Kf7 60. Rh7+ {[#]} (60. h5 $1 $11) 60... Kg8 $1 $17 {[%cal Rg8h7] Black is better.} 61. Ra7 Rxh3 62. Kf1 Rxh4 63. Kg2 Rh7 64. Ra6 {[#]} Kg7 $1 65. Rb6 Rh8 66. Kg3 Rc8 67. Ra6 Kh6 68. Rb6 Kg5 69. Ra6 Rc3 70. Kg2 Kh5 71. Rf6 Rc1 72. Re6 g5 73. Re5 Kg4 74. Re8 Rc4 75. Re7 Rb4 76. Re5 Ra4 77. Re8 Ra5 78. Re7 Kh5 79. Re6 Ra4 80. Rf6 Kg4 {Accuracy: White = 52%, Black = 74%.} 1/2-1/2

[Event "Fall Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.09.11"]
[Round "2.5"]
[White "Bortnyk, Olexandr"]
[Black "Ipatov, Alexander"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2602"]
[BlackElo "2650"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,64,13,11,18,19,25,0,22,19,40,34,35,17,35,25,35,35,39,33,32,41,45,37,47,43,48,35,41,22,22,22,28,11,11,11,12,16,19,0,21,0,0,0,23,11,32,0,0,0,20,0,0]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Nc3 Qxe2+ 8. Bxe2 Be7 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves} 9. h3 (9. O-O O-O 10. Re1 a6 11. Bf1 Nc6 12. h3 Re8 13. Bd2 {½-½ (13) Ni,H (2683)-Wei,Y (2728) Makati 2018}) 9... O-O 10. Bf4 $146 ({Predecessor:} 10. O-O c6 11. Bf4 {½-½ (11) Gozzoli,Y (2430)-Istratescu,A (2590) Guingamp 2004}) 10... h6 11. O-O-O Be6 12. Nd4 Bd7 13. Rhe1 {[#] Bf3 is the strong threat.} Nc6 14. Bg4 {Black must now prevent Nxc6.} Bxg4 15. Nxc6 bxc6 16. hxg4 Rfe8 17. f3 $1 Nd5 18. Bd2 Bg5 19. Nxd5 cxd5 20. Bxg5 hxg5 $14 {[%mdl 4096] Endgame KRR-KRR} 21. d4 Kf8 22. Kd2 Rab8 23. Rxe8+ (23. Kc3 {is more complex.} f6 24. b4 Kf7 25. Rb1 Rh8 26. Rb3) 23... Kxe8 $11 {KR-KR} 24. b3 Kd7 25. Rh1 Ke7 26. g3 f6 27. Re1+ Kd7 28. Rh1 Ke7 29. a4 a5 30. Re1+ Kd7 {The position is equal.} 31. Rh1 Ke7 32. Re1+ Kd7 {Accuracy: White = 52%, Black = 65%.} 1/2-1/2

[Event "Fall Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.09.12"]
[Round "3.1"]
[White "Ipatov, Alexander"]
[Black "Robson, Ray"]
[Result "0-1"]
[ECO "D70"]
[WhiteElo "2650"]
[BlackElo "2653"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,112,11,11,-16,-1,-10,14,0,12,11,1,-2,0,-11,-1,-13,-7,-18,-19,-31,0,0,0,0,0,0,0,-9,0,-22,-27,-19,-12,-14,-13,-12,-12,-14,-16,-21,0,-12,0,0,0,-39,-49,-41,-30,-79,-74,-63,-32,-32,-29,-32,-32,-32,-26,-59,-62,-41,-8,-8,-8,-110,-93,-217,-201,-256,-218,-298,-364,-356,-326,-306,-292,-260,-227,-283,-255,-391,-377,-801,-960,-960,-960,-960,-960,-960,-919,-952,-926,-29953,-29954,-12784,-10063,-6870,-6187,-29966,-5812,-29965,-29964,-5179,-5061]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nbd2 Bf5 5. Nh4 (5. Qb3 Qb6 6. Nh4 Be4 7. e3 e6 8. Be2 Be7 9. Nxe4 dxe4 10. g3 c5 11. Bd2 cxd4 12. exd4 Nc6 13. Bc3 O-O-O {1-0 (49) Mamedyarov,S (2808)-So,W (2778) Leuven 2018}) 5... Be4 6. Nxe4 {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4} Nxe4 7. Nf3 e6 8. a3 $146 {The position is equal.} ({Predecessor:} 8. e3 Bb4+ 9. Bd2 Nxd2 10. Nxd2 Nd7 11. a3 Be7 12. Bd3 O-O {0-1 (33) Pogosyan,S (2365)-Kryakvin,D (2588) St Petersburg 2018}) 8... Nd7 9. e3 Bd6 10. Bd3 f5 11. O-O (11. b4 {is more complex.} Qf6 12. Qc2 O-O 13. h3 Rae8 14. Bb2) 11... O-O 12. b4 Qf6 13. Bb2 g5 14. g3 h5 (14... g4 {seems wilder.} 15. Nh4 Qg7 16. Bxe4 fxe4 17. c5 Be7) 15. Ne5 Nxe5 16. dxe5 Bxe5 17. Bxe5 Qxe5 18. Qxh5 Rf7 19. f4 gxf4 20. Bxe4 $1 Rh7 21. Qg5+ Rg7 22. Qh6 fxe4 23. Qxf4 Qxf4 24. Rxf4 $11 {[%mdl 4096] Endgame KRR-KRR} Rf7 25. Rg4+ Kf8 26. Rc1 Rf3 27. b5 Ke7 28. Rg7+ Kd6 29. c5+ Ke5 30. Re1 cxb5 {...Rc8 is the strong threat.} 31. Rxb7 a6 {[%cal Ba7a6,Ba6a5][%mdl 32] aiming for ...Rc8.} 32. Rb6 Rc8 33. c6 a5 34. Kg2 Kd6 35. g4 b4 36. axb4 axb4 {White should prevent ...Rg8.} 37. c7+ (37. Rc1 $11) 37... Kxc7 $17 38. Rxb4 (38. Rc1+ $17 Kxb6 {[%mdl 64] Discovered Attack} 39. Rxc8) 38... Rg8 39. h3 Rh8 40. Rc1+ Kd6 41. Rb6+ Ke5 42. Rcc6 {[%csl Gb6][%cal Rc6e6]} Rh6 ({Weaker is} 42... Rxe3 43. Rxe6+ Kd4 44. Rh6 $17) 43. g5 {[#]} Rg6 $1 ({Stronger than} 43... Rhxh3 44. Rxe6+ Kf5 45. Rf6+ Kg4 46. g6 $11) 44. h4 Rxe3 45. Rc2 (45. Rb8 $142) 45... Rf3 46. Rf2 $2 (46. Rc7 Rf4 47. Kg3) 46... Rxf2+ 47. Kxf2 $19 {KR-KR} Kf4 48. Rb8 e5 49. Rf8+ Kg4 50. Rf6 {[#]} Kh5 $1 {Hoping for ...Rxf6+.} 51. Rf8 Kxh4 52. Ke3 Rxg5 53. Rh8+ Kg3 54. Rd8 d4+ 55. Kxe4 Kf2 56. Ra8 Rg4+ {Accuracy: White = 42%, Black = 75%.} 0-1

[Event "Fall Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.09.12"]
[Round "3.2"]
[White "Lenderman, Aleksandr"]
[Black "Bortnyk, Olexandr"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2645"]
[BlackElo "2602"]
[Annotator "RC"]
[PlyCount "119"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} d6 {[%emt 0:02:57]} 2. e4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:09]} 3. Nc3 {[%emt 0:00:00]} e5 {[%emt 0:00:04]} 4. dxe5 {[%emt 0:00:00]} dxe5 {[%emt 0:00:05]} 5. Qxd8+ {[%emt 0:00:00]} Kxd8 {[%emt 0:00:07]} 6. Bc4 {[%emt 0:00:01]} Ke8 {[%emt 0:06:03]} 7. Nf3 {[%emt 0:00:27]} Bd6 {[%emt 0:00:25]} 8. h3 {[%emt 0:00:07]} c6 {[%emt 0:00:49]} 9. Bg5 {[%emt 0:04:10]} Nbd7 {[%emt 0:01:08]} 10. O-O-O {[%emt 0:00:24]} Bc7 {[%emt 0:01:58]} 11. Rhe1 {[%emt 0:10:56]} h6 {[%emt 0:02:11]} 12. Be3 {[%emt 0:01:17]} b5 {[%emt 0:04:42]} 13. Bf1 {[%emt 0:01:36]} a5 {[%emt 0:06:42]} 14. Nd2 {[%emt 0:07:30]} a4 {[%emt 0:01:52]} 15. a3 {[%emt 0:00:44]} Nf8 {[%emt 0:02:25]} 16. Na2 {[%emt 0:06:04]} Ne6 {[%emt 0:03:09]} 17. c4 {[%emt 0:09:00]} Bd7 {[%emt 0:03:01]} 18. cxb5 {[%emt 0:04:25]} cxb5 {[%emt 0:00:25]} 19. Nc3 {[%emt 0:00:04]} Rb8 {[%emt 0:19:52]} 20. Nf3 {[%emt 0:04:36]} b4 {[%emt 0:06:16]} 21. axb4 {[%emt 0:01:19]} Rxb4 {[%emt 0:02:18]} 22. Nd5 {[%emt 0:00:05]} Rb7 {[%emt 0:05:41]} 23. Ba6 {[%emt 0:06:22]} Rb8 {[%emt 0:00:37]} 24. Nxc7+ {[%emt 0:00:28]} Nxc7 {[%emt 0:00:04]} 25. Bc4 {[%emt 0:00:21]} Ne6 {[%emt 0:07:32]} 26. Nxe5 {[%emt 0:00:38]} Ke7 {[%emt 0:04:59]} 27. Rxd7+ {[%emt 0:16:34]} Nxd7 {[%emt 0:00:05]} 28. Nc6+ {[%emt 0:00:03]} Kf6 {[%emt 0:00:45]} 29. Nxb8 {[%emt 0:01:48]} Rxb8 {[%emt 0:00:06]} 30. Re2 {[%emt 0:13:21]} Ne5 {[%emt 0:03:40]} 31. Rc2 {[%emt 0:00:21]} Rb4 {[%emt 0:00:44]} 32. Bd5 {[%emt 0:02:05]} Nf4 {[%emt 0:02:16]} 33. Bxf4 {[%emt 0:01:09]} Nd3+ {[%emt 0:00:01]} 34. Kd2 {[%emt 0:00:09]} Nxf4 {[%emt 0:00:05]} 35. Bc6 {[%emt 0:00:41]} Ke5 {[%emt 0:01:44]} 36. Kc3 {[%emt 0:04:46]} Rb3+ {[%emt 0:00:54]} 37. Kc4 {[%emt 0:00:21]} Nxg2 {[%emt 0:00:05]} 38. Bxa4 {[%emt 0:00:10]} Rxh3 {[%emt 0:00:03]} 39. b4 {[%emt 0:01:18]} Ra3 {[%emt 0:04:03]} 40. Bc6 {[%emt 0:00:00]} Nf4 {[%emt 0:00:00]} 41. b5 {[%emt 0:02:10]} Ne6 {[%emt 0:06:43]} 42. b6 {[%emt 0:02:38]} Nd8 {[%emt 0:05:08]} 43. Bd5 {[%emt 0:00:48]} Ra1 {[%emt 0:00:22]} 44. Rb2 {[%emt 0:05:20]} Rc1+ {[%emt 0:01:06]} 45. Kb5 {[%emt 0:03:02]} f5 {[%emt 0:01:06]} 46. exf5 {[%emt 0:03:43]} Kxf5 {[%emt 0:02:32]} 47. Re2 {[%emt 0:00:45]} Rb1+ {[%emt 0:13:16]} 48. Kc5 {[%emt 0:00:21]} Rc1+ {[%emt 0:00:06]} 49. Kd6 {[%emt 0:00:07]} Rd1 {[%emt 0:00:13]} 50. Re7 {[%emt 0:00:47]} Rd2 {[%emt 0:00:46]} 51. Rxg7 {[%emt 0:06:08]} Rxf2 {[%emt 0:00:27]} 52. Rd7 {[%emt 0:00:33]} Rb2 {[%emt 0:00:55]} 53. Kc7 {[%emt 0:00:07]} Ne6+ {[%emt 0:00:11]} 54. Bxe6+ {[%emt 0:00:04]} Kxe6 {[%emt 0:00:06]} 55. Rd6+ {[%emt 0:00:02]} Ke7 {[%emt 0:00:24]} 56. Rxh6 {[%emt 0:00:05]} Rc2+ {[%emt 0:00:25]} 57. Rc6 {[%emt 0:00:04]} Rd2 {[%emt 0:00:04]} 58. b7 {[%emt 0:00:05]} Rd7+ {[%emt 0:00:04]} 59. Kb6 {[%emt 0:00:04]} Rd8 {[%emt 0:00:03]} 60. Rc8 {[%emt 0:00:10]} 1-0

[Event "Fall Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.09.12"]
[Round "3.3"]
[White "Durarbayli, Vasif"]
[Black "Melkumyan, Hrant"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "2626"]
[BlackElo "2653"]
[Annotator "TA"]
[PlyCount "149"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,149,18,22,21,21,21,18,16,34,23,29,33,39,1,23,-5,0,-14,-14,-10,-12,-74,0,-32,-17,-20,-15,-16,-15,-14,-11,-22,-7,-23,-24,-22,-14,-6,-8,-28,-11,-22,12,8,8,8,8,8,8,0,8,8,9,10,58,43,31,11,11,10,10,10,10,0,10,0,10,10,10,10,10,9,38,0,7,6,6,8,35,37,35,11,11,9,31,25,33,11,13,12,86,15,14,0,0,0,14,26,79,72,72,79,173,146,206,204,184,193,236,226,385,371,382,371,363,359,358,372,426,412,552,549,515,482,565,558,558,547,527,485,460,469,656,645,702,732,803,791,788,783,746,731]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bxc6 dxc6 6. O-O {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5} (6. Qe2 Qe7 7. h3 Bd6 8. Nbd2 Nd7 9. O-O O-O 10. Nc4 Re8 11. Re1 c5 12. Nh2 Nf8 13. f4 exf4 {½-½ (33) Aronian,L (2763)-Anand,V (2774) Karlsruhe/Baden Baden 2019}) 6... Qe7 7. Nbd2 Bg4 8. h3 {The position is equal.} (8. Nc4 {is more complex.} Nd7 9. h3 Bh5 10. Bd2 f6 11. b4) 8... Bxf3 9. Qxf3 Nd7 10. Nc4 f6 11. a3 a5 12. Qg3 $146 ({Predecessor:} 12. Be3 O-O 13. Qg4 Rfd8 {1-0 (41) Barhudarian,R (2333)-Solovyov,V (2293) St Petersburg 2012}) 12... Nf8 13. Be3 Bxe3 $1 14. Qxe3 Ne6 15. g3 (15. Qd2 $11 {remains equal.}) 15... O-O ({Black should play} 15... h5 $17) 16. Kg2 a4 (16... b5 $5 17. Nd2 $8 a4 $11) 17. Qd2 b5 18. Ne3 Rad8 19. f4 exf4 20. gxf4 Nd4 21. f5 c5 22. Rae1 c4 23. Nd5 Qc5 24. Nf4 cxd3 25. cxd3 Qc2 (25... Rf7 {seems wilder.} 26. h4 Nb3 27. Qc3 Qe5 28. h5 Rd6) 26. Qxc2 Nxc2 27. Re2 Nd4 28. Re3 Rfe8 {With the idea ...Nxf5!} 29. Kf2 Kf7 30. Rg3 Re5 31. h4 Rc5 32. Rfg1 Rg8 $1 33. h5 {Threatens to win with h6!} h6 $1 34. Ke3 Nc2+ $1 35. Kd2 {aiming for Ne6.} Nd4 36. Ke3 Nc2+ $1 37. Kd2 Nd4 38. Kd1 Rc6 39. R1g2 Rd6 40. Kd2 Rc6 41. Kd1 (41. Ne2 $5 {[%cal Re2d4]} Rc2+ 42. Ke3 Nxe2 43. Rxe2 Rxe2+ 44. Kxe2 $11) 41... Rd6 42. Ke1 Rc6 43. Ne2 Nb3 44. Nc3 Nd4 45. Kd2 Rd6 46. Ke3 c6 47. Rg6 c5 48. R6g3 $36 {[%mdl 2048] White has some pressure.} Rdd8 49. Kf4 Rde8 (49... Rd6 $11 {keeps the balance.}) 50. Nd5 (50. Rg6 $1 $16) 50... Rd8 $11 51. Ne3 Nc6 52. Nd5 Nd4 53. Rg6 Nc6 (53... Rd6 $11) 54. Rc2 $1 $16 {[%cal Rc2c5]} Ne5 55. Rg3 Rc8 {[#]} (55... c4 $16) 56. Ke3 $1 $18 Rgd8 (56... Nd7 $16 57. Nf4 Nf8) 57. Rcg2 Rg8 {[#]} 58. Nf4 $1 Rc6 59. Ne6 Rxe6 $2 (59... b4 {might work better.} 60. Rxg7+ Rxg7 61. Rxg7+ Ke8 62. axb4 cxb4) 60. fxe6+ Kxe6 61. Rxg7 {[%mdl 4096] Endgame KRR-KRN} Rd8 62. Rd2 Rb8 63. Ke2 Nc6 64. Rc7 Nd4+ 65. Ke3 {White is clearly winning.} Kd6 66. Rg7 Nc6 67. Rf2 Ke6 68. Rg6 Rf8 69. Rxh6 Ne5 {Hoping for ...Ng4+.} 70. Rf4 Rf7 71. Ke2 Rf8 72. Rf5 Rf7 73. Rh8 Rg7 74. h6 Rg2+ 75. Rf2 {Accuracy: White = 70%, Black = 50%.} 1-0

[Event "Fall Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.09.12"]
[Round "3.4"]
[White "Van Foreest, Jorden"]
[Black "Akobian, Varuzhan"]
[Result "1/2-1/2"]
[ECO "C11"]
[WhiteElo "2622"]
[BlackElo "2618"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,61,52,27,41,27,25,23,21,22,22,23,22,30,67,66,85,85,85,85,85,85,85,85,85,85,85,85,85,70,70,63,63,62,62,62,62,62,62,0,62,0]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 Qb6 8. Na4 Qa5+ 9. c3 c4 10. b4 Qc7 11. Be2 Be7 12. O-O O-O {C11: French: Classical System: 4 e5 and 4 Bg5 dxe4} 13. Bf2 $146 ({Predecessor:} 13. Qd2 f5 14. exf6 Nxf6 15. Qc2 b6 16. Ne5 Bb7 17. Nb2 b5 18. a4 a6 19. Bf3 Bd6 20. Rae1 {1-0 (144) Robson,R (2660)-Akobian,V (2647) Saint Louis 2018}) 13... b5 {[#] ...a5 is the strong threat.} 14. Nc5 a5 {White has an edge.} 15. a3 {[%cal Ba2a3,Ba3b4][%mdl 32]} Nxc5 16. dxc5 f5 17. h4 axb4 18. axb4 Rxa1 19. Qxa1 h5 20. Qb2 g6 21. Ra1 Bb7 22. g3 Ra8 23. Rxa8+ Bxa8 24. Qa1 Qb8 25. Qa6 Qb7 26. Qxb7 Bxb7 27. Nd4 Nxd4 28. Bxd4 Bc6 29. Bf3 Kf7 30. Be2 Kg8 $1 31. Bf3 {Accuracy: White = 50%, Black = 79%.} (31. Kf2 $14) 1/2-1/2

[Event "Fall Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.09.12"]
[Round "3.5"]
[White "Swiercz, Dariusz"]
[Black "Smirin, Ilia"]
[Result "1/2-1/2"]
[ECO "A62"]
[WhiteElo "2648"]
[BlackElo "2599"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,94,25,18,14,29,37,34,12,31,3,3,4,13,7,20,0,0,0,27,0,23,0,31,18,15,7,6,7,11,18,10,0,0,0,0,0,0,0,57,33,53,0,0,0,87,0,0,0,0,0,15,0,0,0,0,0,0,0,0,0,0,0,7,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 g6 6. Nc3 d6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O Re8 10. Re1 a6 11. a4 Nbd7 12. Qc2 {A63: Modern Benoni: Fianchetto Variation: 9...Nbd7} (12. h3 Rb8 13. Bf4 Qc7 14. a5 b5 15. axb6 Nxb6 16. Rc1 Ne4 17. Nxe4 Rxe4 18. b3 a5 19. Nd2 Rd4 20. e4 Ba6 21. Be3 Rb4 {0-1 (38) Xiong,J (2652)-Vachier Lagrave,M (2795) chess.com INT 2017}) 12... Ne5 13. Nxe5 Rxe5 14. Bf4 $146 {White is slightly better.} ({Predecessor:} 14. e4 Re8 15. Bd2 Rb8 16. a5 b5 17. axb6 Qxb6 18. Na4 Qb5 19. Bf4 Bf8 {½-½ (38) Obukhov,G (1949)-Ortiz,M (2105) LSS email 2013}) 14... Re8 15. h3 Rb8 16. a5 b5 17. axb6 $1 Rxb6 18. e4 Nh5 19. Be3 Bd7 20. Ra2 Qb8 21. Kh2 (21. g4 $5 {[%cal Rg4h5]} Nf6 22. Bd2 $14) 21... Rb4 22. Nd1 Bb5 23. Bd2 Bc4 $1 {[%cal Rc4a2]} 24. Ra1 Bb3 25. Qc1 Ra4 26. Bc3 Rxa1 27. Qxa1 Qb6 28. Ne3 Nf6 29. Qc1 h5 (29... a5 $1 $11) 30. g4 hxg4 ({Not} 30... Nxe4 $2 31. Bxg7 Kxg7 32. gxh5 $18) 31. Nxg4 (31. hxg4 $14 a5 32. g5) 31... Nxg4+ $11 32. hxg4 Bd4 {[#]} (32... Bxc3 $1 $11 {keeps the balance.} 33. Qxc3 Qb4) 33. Qh6 ({Better is} 33. Re3 $1 $16 {[%cal Re3h3][%mdl 512]} Kg7 (33... Bxe3 34. Qxe3) 34. Kg1 (34. Rh3 Rh8 $14)) 33... Qd8 {The position is equal.} 34. g5 Qe7 35. f4 Qf8 {Hoping for ...Qxh6+.} (35... Bxc3 {is interesting.} 36. bxc3 Qf8 37. Rb1 Bc2 38. Qxf8+ Kxf8 39. Ra1 Bd3) 36. Qxf8+ Kxf8 37. Ra1 Bxc3 38. bxc3 {[%mdl 4096] Endgame KRB-KRB} Bc4 39. Kg3 Bd3 40. Ra4 Rb8 41. c4 Ra8 42. Kf2 a5 43. Ke3 Bc2 44. Ra1 a4 45. Kd2 Bb3 46. Kc3 Ke7 47. e5 Rh8 {Accuracy: White = 58%, Black = 65%.} 1/2-1/2

[Event "Fall Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.09.13"]
[Round "4.1"]
[White "Robson, Ray"]
[Black "Smirin, Ilia"]
[Result "1-0"]
[ECO "C97"]
[WhiteElo "2653"]
[BlackElo "2599"]
[Annotator "RC"]
[PlyCount "110"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:08:01]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:18]} Nc6 {[%emt 0:00:00]} 3. Bb5 {[%emt 0:00:22]} a6 {[%emt 0:00:13]} 4. Ba4 {[%emt 0:00:13]} Nf6 {[%emt 0:00:07]} 5. O-O {[%emt 0:00:23]} Be7 {[%emt 0:00:16]} 6. Re1 {[%emt 0:00:28]} b5 {[%emt 0:00:10]} 7. Bb3 {[%emt 0:00:07]} d6 {[%emt 0:00:09]} 8. c3 {[%emt 0:00:32]} O-O {[%emt 0:00:14]} 9. h3 {[%emt 0:00:16]} Na5 {[%emt 0:00:21]} 10. Bc2 {[%emt 0:00:53]} c5 {[%emt 0:00:04]} 11. d4 {[%emt 0:00:23]} Qc7 {[%emt 0:00:22]} 12. d5 {[%emt 0:00:56]} Bd7 {[%emt 0:00:15]} 13. b3 {[%emt 0:04:00]} Rfe8 {[%emt 0:02:10]} 14. Nbd2 {[%emt 0:02:00]} g6 {[%emt 0:01:03]} 15. Nf1 {[%emt 0:01:16]} Nh5 {[%emt 0:00:11]} 16. Ng3 {[%emt 0:01:17]} Nxg3 {[%emt 0:01:53]} 17. fxg3 {[%emt 0:00:04]} Nb7 {[%emt 0:00:44]} 18. Be3 {[%emt 0:08:57]} c4 {[%emt 0:02:10]} 19. b4 {[%emt 0:02:08]} a5 {[%emt 0:01:06]} 20. a4 {[%emt 0:15:54]} Rec8 {[%emt 0:27:46]} 21. axb5 {[%emt 0:11:09]} Bxb5 {[%emt 0:00:44]} 22. Ba4 {[%emt 0:01:25]} Qd7 {[%emt 0:03:45]} 23. Bxb5 {[%emt 0:01:28]} Qxb5 {[%emt 0:00:05]} 24. Ra4 {[%emt 0:05:33]} Bd8 {[%emt 0:08:22]} 25. Nd2 {[%emt 0:01:04]} Bb6 {[%emt 0:12:03]} 26. Bxb6 {[%emt 0:00:58]} Qxb6+ {[%emt 0:00:03]} 27. Kh2 {[%emt 0:00:16]} axb4 {[%emt 0:08:54]} 28. Nxc4 {[%emt 0:05:02]} Qc7 {[%emt 0:01:44]} 29. Rxb4 {[%emt 0:00:24]} Rab8 {[%emt 0:00:11]} 30. Qf3 {[%emt 0:09:07]} Nc5 {[%emt 0:02:18]} 31. Qf6 {[%emt 0:04:49]} Rd8 {[%emt 0:02:25]} 32. Rxb8 {[%emt 0:04:59]} Qxb8 {[%emt 0:00:39]} 33. Rf1 {[%emt 0:01:00]} Rd7 {[%emt 0:03:21]} 34. Qf3 {[%emt 0:00:51]} Qd8 {[%emt 0:02:58]} 35. Qe3 {[%emt 0:04:16]} Qc7 {[%emt 0:03:04]} 36. Rb1 {[%emt 0:00:56]} Nb7 {[%emt 0:04:39]} 37. Qa7 {[%emt 0:00:56]} Kg7 {[%emt 0:02:04]} 38. Rb4 {[%emt 0:00:50]} h5 {[%emt 0:01:25]} 39. Qe3 {[%emt 0:02:23]} Qc5 {[%emt 0:01:32]} 40. Qf3 {[%emt 0:00:00]} Qc7 {[%emt 0:00:00]} 41. g4 {[%emt 0:06:44]} hxg4 {[%emt 0:02:31]} 42. Qxg4 {[%emt 0:00:08]} Qd8 {[%emt 0:00:32]} 43. Rb1 {[%emt 0:05:16]} Rc7 {[%emt 0:04:22]} 44. Ne3 {[%emt 0:01:21]} Nc5 {[%emt 0:00:07]} 45. Nf5+ {[%emt 0:02:03]} Kf8 {[%emt 0:00:41]} 46. Qh4 {[%emt 0:00:42]} Ke8 {[%emt 0:01:36]} 47. Rb8 {[%emt 0:02:33]} Qxb8 {[%emt 0:00:14]} 48. Qh8+ {[%emt 0:00:07]} Kd7 {[%emt 0:00:03]} 49. Qxb8 {[%emt 0:00:08]} gxf5 {[%emt 0:00:03]} 50. exf5 {[%emt 0:00:38]} Rc8 {[%emt 0:00:26]} 51. Qa7+ {[%emt 0:05:48]} Rc7 {[%emt 0:00:25]} 52. Qb6 {[%emt 0:00:45]} Ne4 {[%emt 0:00:26]} 53. c4 {[%emt 0:01:11]} Nc5 {[%emt 0:01:34]} 54. h4 {[%emt 0:01:35]} Rc8 {[%emt 0:00:41]} 55. f6 {[%emt 0:01:58]} Ne4 {[%emt 0:00:35]} 1-0

[Event "Fall Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.09.13"]
[Round "4.2"]
[White "Akobian, Varuzhan"]
[Black "Swiercz, Dariusz"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2618"]
[BlackElo "2648"]
[Annotator "TA"]
[PlyCount "131"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,131,24,10,16,11,27,10,25,0,0,0,20,0,1,0,0,22,66,60,82,42,52,55,51,44,42,50,59,47,53,46,100,95,103,91,146,136,152,149,133,27,111,108,122,137,158,174,186,184,186,159,209,204,193,185,195,204,241,241,229,237,222,112,229,228,222,222,229,220,265,264,425,425,425,425,473,385,499,489,489,480,480,480,472,441,654,647,29970,29971,29970,29972,29972,29972,29972,29973,29980,29981,29985,29986,29988,29989,29989,29990,29990,29991,29993,29994,29994,29993,29993,29993,29993,29994,29994,29993,29995,29996]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Ba3 O-O 8. Nf3 b6 9. Bc4 Bb7 {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3} (9... Nc6 10. O-O Na5 11. Bd3 c5 12. dxc5 Qc7 13. Qe2 bxc5 14. Qe3 Bg4 15. Rfc1 Rfd8 16. Bf1 Rab8 17. Qxc5 {1-0 (57) Aronian,L (2792)-Giri,A (2782) Leuven 2016}) 10. Qe2 c5 11. O-O Qc7 {The position is equal.} 12. Rac1 Nc6 13. Rfd1 Rac8 $146 ({Predecessor:} 13... Na5 14. Bb5 Rfd8 15. Qe3 Rac8 16. dxc5 Rxd1+ 17. Rxd1 bxc5 18. Bxc5 {0-1 (39) Meijer,K (1800)-Balcazar Novoa,L (2116) LSS email 2008}) 14. h4 Na5 15. Bd3 e6 16. h5 Qc6 17. Rb1 Rfd8 18. Bc1 cxd4 19. cxd4 Qe8 20. hxg6 hxg6 21. Bg5 f6 22. Bd2 {Black must now prevent Bxa5.} Nc6 23. Bc3 g5 (23... Qf7 $14) 24. Bc4 $16 Nb8 25. Nd2 Nd7 (25... Ba6 $142) 26. Rbc1 Nf8 27. Bb3 Bc6 28. Qa6 (28. Nc4 $16) 28... Rc7 (28... Bb5 $1 $11 29. Qxa7 Ng6) 29. Bb2 Bb5 30. Qa3 $36 {[%mdl 2048] White is really pushing.} Rxc1 31. Rxc1 a5 32. Nc4 $1 a4 33. Bd1 {aiming for Nd6.} Qc6 {[#]} 34. d5 $1 {[%cal Rd5c6][%mdl 512]} Qc5 (34... exd5 35. Ne3) 35. Ne3 Qxa3 36. Bxa3 Bd3 37. Be7 Ra8 38. Bf3 Ng6 {[#]} 39. Bd6 (39. d6 $1 $18 {Threatens to win with e5!} Ra7 40. Bg4) 39... f5 (39... exd5 $16 40. exd5 (40. Nxd5 Re8 $16) 40... Ne5) 40. dxe6 $18 g4 41. exf5 {[%mdl 64] Discovered Attack} gxf3 42. fxg6 Bxg6 43. Nd5 (43. gxf3 $6 Re8 $18) 43... Rd8 $2 (43... Re8 44. e7 (44. gxf3 Rxe6 45. Bb4 Bf7 $14) 44... fxg2) 44. Ne7+ Kh7 45. Nxg6 Kxg6 {[%mdl 4096] Endgame KRB-KRB} 46. e7 Re8 47. Rc6 b5 48. Rb6 fxg2 49. Rxb5 Bf6 50. Ra5 Bxe7 (50... Kf7 $142 51. Rxa4 (51. Kxg2 Ke6 $18) 51... Ke6) 51. Re5 Kf7 52. Rxe7+ {White mates.} Rxe7 53. Bxe7 Kxe7 54. Kxg2 {KPP-KP} Kd6 55. Kf3 Kc5 56. Ke4 Kb4 57. f4 Ka3 58. f5 Kxa2 {KP-KP} 59. f6 a3 60. f7 Kb2 61. f8=Q a2 62. Qb4+ Kc2 63. Qa3 Kb1 64. Qb3+ Ka1 65. Qc3+ Kb1 66. Kd3 {Accuracy: White = 74%, Black = 40%.} 1-0

[Event "Fall Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.09.13"]
[Round "4.3"]
[White "Melkumyan, Hrant"]
[Black "Van Foreest, Jorden"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2653"]
[BlackElo "2622"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,99,6,15,0,0,-12,18,23,25,30,23,29,30,38,26,36,36,37,30,32,33,32,21,16,23,23,16,16,18,16,29,11,19,12,22,8,10,10,13,0,0,0,6,7,8,6,7,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,-8,-8,-8,-8,-8,-8,0,-10,0,0,0,0,0,0,0,-3,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. e4 Bb4 6. Bxc4 {D24: Queen's Gambit Accepted: 3 Nf3 Nf6 4 Nc3} Nxe4 7. O-O Nf6 8. Qa4+ Nc6 9. Ne5 Rb8 10. d5 exd5 {[#]} 11. Nxd5 $1 {[%mdl 512]} Nxd5 12. Nxc6 bxc6 13. Qxc6+ {[%mdl 64] Double Attack} Qd7 14. Qxd5 {[#]} O-O $146 15. Bf4 Qg4 16. Qg5 Bd6 17. Qxg4 Bxg4 18. Bxd6 cxd6 19. b3 Rfe8 20. Rfe1 Kf8 {The position is equal.} 21. Kf1 a5 22. Rxe8+ (22. Rac1 {seems wilder.} Bd7 23. Red1 Rb6 24. Rc3 a4 25. Rf3) 22... Rxe8 $11 {[%mdl 4096] Endgame KRB-KRB} 23. f3 Be6 24. Bd3 Rc8 25. Ke2 (25. Bxh7 g6 $17) 25... Rc5 26. Kd2 ({Of course not} 26. Bxh7 g6 $17) 26... Ke7 27. Re1 ({Don't play} 27. Bxh7 g6 $17) 27... Kd7 28. Re4 ({Much weaker is} 28. Bxh7 g6 $17) 28... h6 29. Rd4 Kc6 30. Be4+ Kc7 31. Bc2 Rb5 32. f4 Kc6 33. Be4+ Kc5 34. Ke3 Rb4 35. Rd1 {White wants to play Rc1+.} d5 36. Rc1+ Kd6 37. Bc2 g5 38. fxg5 hxg5 39. g3 f5 40. a3 f4+ 41. gxf4 Rxf4 42. Rg1 Rh4 {...d4+ is the strong threat.} 43. Rxg5 Rxh2 44. Kd3 Rf2 45. Bd1 Ra2 46. Kc3 d4+ 47. Kd3 Rxa3 48. Kxd4 Bxb3 49. Bxb3 Rxb3 50. Rxa5 {Accuracy: White = 72%, Black = 80%.} 1/2-1/2

[Event "Fall Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.09.13"]
[Round "4.4"]
[White "Bortnyk, Olexandr"]
[Black "Durarbayli, Vasif"]
[Result "1-0"]
[ECO "C24"]
[WhiteElo "2602"]
[BlackElo "2626"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,111,13,19,-19,-1,-16,3,-44,-44,-65,-42,-39,-38,-62,-56,-58,-58,-58,-68,-59,-94,-67,-19,-29,0,0,0,-55,-60,-54,-65,-65,-58,-72,-50,-79,-58,-41,-50,-39,-39,-42,-43,-58,-51,-53,-61,-56,-107,-73,-77,-138,-145,-154,0,0,0,0,-8,-4,0,0,0,-12,-3,-35,0,-25,0,0,0,0,0,-12,0,0,0,-22,-22,-67,-16,-20,0,0,0,0,0,0,29970,29971,29969,29972,29968,29969,29978,29979,29979,29980,29979,29981,29980,29981,29975,29976]} 1. e4 e5 2. Bc4 Nf6 3. d3 c6 4. Nf3 d5 5. Bb3 a5 {aiming for ...a4.} 6. a3 {C24: Bishop's Opening: 2...Nf6} ({Don't go for} 6. Nxe5 $2 a4 $19) 6... a4 (6... Bd6 7. exd5 Nxd5 8. O-O O-O 9. Re1 Bg4 10. Nbd2 Nd7 11. h3 Bh5 12. Ne4 Qc7 13. Ng3 Bg6 {0-1 (48) Anand,V (2767)-Yu,Y (2738) Stavanger 2019}) 7. Ba2 Bd6 8. Qe2 $146 {The position is equal.} ({Predecessor:} 8. Nc3 d4 9. Ne2 O-O 10. O-O c5 11. Ng3 Be6 12. h3 Nc6 13. Nh4 g6 {1-0 (85) Kovalev,V (2640)-Fridman,D (2640) Liepaja 2017}) 8... O-O 9. h3 Nbd7 10. O-O h6 11. Re1 Re8 12. Qf1 Nf8 13. Nc3 {[%cal Re4d5]} Bb8 14. g4 Ng6 15. Qg2 Be6 16. g5 hxg5 17. Nxg5 Ra5 18. Nxe6 (18. Kh1 $11) 18... Rxe6 $15 19. Bg5 Qd7 20. Kh1 Nh7 21. exd5 cxd5 22. Bd2 {[%cal Rc3d5]} Nf6 23. Rg1 Rc5 24. Rae1 Kf8 25. Be3 Ra5 $1 26. Bg5 Ba7 $1 27. Bd2 Rc6 28. b4 axb3 29. Bxb3 Rxa3 30. Nb5 {[#]} (30. Rc1 $142) 30... Rxb3 $1 $17 {[%mdl 512]} 31. cxb3 {[#]} Rc2 ({Black should play} 31... Bb6 $1 $17 {Strongly threatening ...Rc2.} 32. Re2 Kg8) 32. Bb4+ $11 Bc5 33. Na3 $36 {[%mdl 2048] Black is under pressure.} Bxb4 34. Nxc2 Bxe1 35. Nxe1 Qb5 36. Qg5 Qxb3 37. Qf5 Qb6 38. Qc8+ Ne8 39. Nf3 Ne7 40. Qg4 $1 f6 41. Qh4 Qb3 42. Qh8+ Kf7 $1 43. Rg3 d4 44. h4 Qd1+ (44... Qd5 $15) 45. Kh2 Qf1 46. Ng5+ $1 fxg5 47. Rf3+ Nf6 48. hxg5 {[%mdl 64] Pin} Ng6 $2 {[%mdl 8192]} (48... Ned5 $11 49. gxf6 gxf6) 49. Rxf6+ $1 {White mates.} gxf6 50. Qxf6+ Ke8 51. Qxg6+ Kd7 52. Qf7+ Kd6 53. g6 Qxd3 54. g7 Qh7+ 55. Kg3 Qd3+ 56. Qf3 {Accuracy: White = 68%, Black = 69%.} 1-0

[Event "Fall Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.09.13"]
[Round "4.5"]
[White "Ipatov, Alexander"]
[Black "Lenderman, Aleksandr"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2650"]
[BlackElo "2645"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,73,0,30,0,0,0,0,0,0,0,18,0,0,-27,0,0,0,-45,-9,-47,-31,-43,-31,-102,-96,-74,-91,-179,-165,-162,-164,-164,-160,-156,-115,-169,-158,-193,-147,-139,-39,-56,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 e6 2. c4 Nf6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 h6 6. Bh4 dxc4 7. a3 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4)} (7. Qa4+ {looks sharper.} Nc6 8. e3 Bd7 9. Qc2 b5 10. a3) 7... Bxc3+ 8. bxc3 Nbd7 9. e3 b5 10. a4 c6 11. Be2 $146 ({Predecessor:} 11. Qb1 Qa5 12. Qb2 Ne4 13. axb5 Qxb5 14. Qc1 c5 {½-½ (85) Mamedyarov,S (2790)-Navara,D (2739) Shamkir 2019}) 11... a6 12. O-O Bb7 (12... g5 $5 {[%cal Rg5h4]} 13. Bg3 Ne4 $11) 13. Qb1 Qc8 $36 {[%mdl 2048] Black fights for an advantage.} 14. Qb2 O-O 15. Rfb1 Nd5 16. Bg3 c5 17. Nd2 (17. axb5 $15 axb5 18. Rxa8 Bxa8 19. Bd6) 17... cxd4 $17 18. exd4 Bc6 19. Ne4 (19. Bd1 $17) 19... f5 $1 $19 {[%cal Rf5e4]} 20. Nd6 Qd8 $1 21. axb5 axb5 22. Rxa8 Bxa8 23. f3 {[#]} (23. h3 $17) 23... Bc6 $1 24. Bf1 Qe7 {Hoping for ...f4.} 25. Nxb5 {[#] aiming for Bd6.} Bxb5 ({Black should try} 25... f4 $1 $17 {[%cal Rf4g3]} 26. Na7 Ba4) 26. Qxb5 $15 Nxc3 (26... f4 $1 $15 27. Bh4 g5) 27. Qb4 $11 {The position is equal.} Qxb4 28. Rxb4 Nd5 29. Rxc4 Ne3 30. Rc7 Nxf1 31. Bd6 Rd8 32. Kxf1 {Be7 is the strong threat.} Nf6 33. Be5 Rd7 34. Rc8+ Kf7 35. h4 Nd5 36. Kf2 Ne7 37. Rc5 {Accuracy: White = 52%, Black = 73%.} 1/2-1/2

[Event "Fall Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.09.14"]
[Round "5.1"]
[White "Lenderman, Aleksandr"]
[Black "Robson, Ray"]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "2645"]
[BlackElo "2653"]
[Annotator "TA"]
[PlyCount "164"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,164,12,20,19,17,19,25,26,21,6,11,29,29,15,14,10,17,10,17,12,31,26,31,31,25,19,31,26,24,27,65,24,28,31,22,29,30,35,35,7,18,14,11,11,10,3,10,3,3,3,8,0,9,0,12,0,0,0,0,0,0,0,40,35,40,40,46,41,41,42,41,52,43,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,70,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-18,-18,-16,-31,-12,0,0,0,0,0,-5,0,0,23,0,0,0,0,0,0,0,0,0,0,-18,-18,-18,-21,-78,-82,-536,-514,-29974,-29975,-29973,-29976,-29975,-29976,-29985,-29973,-29979,-29966,-29989,-29990,-29992,-29992,-29992,-29993,-29996,-1058]} 1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. e3 Bg4 5. cxd5 ({Predecessor:} 5. Nc3 e6 6. cxd5 {½-½ (42) Voiculescu,C (2522)-Acevedo Villalba,A (2549) ICCF email 2012}) 5... cxd5 6. Nc3 e6 7. Qa4+ {D13: Slav Defence: Exchange variation without ...Bf5} Nbd7 $1 8. Ne5 {Hoping for h3.} a6 9. Nxg4 $146 {White has an edge.} (9. f3 Bf5 10. g4 Bg6 11. h4 b5 12. Qd1 b4 13. h5 Bxh5 14. Nxd7 Nxd7 15. Rxh5 bxc3 16. bxc3 {1-0 (75) Shankland,S (2679)-Sethuraman,S (2640) Baku 2016}) 9... Nxg4 10. Qb3 b5 11. h3 Ngf6 12. Bd3 Bd6 13. O-O O-O 14. Bd2 Nb6 15. Rfc1 Rc8 16. a4 b4 17. Ne2 a5 18. Be1 Qd7 19. Bb5 Qa7 20. f3 e5 21. Bh4 Qe7 22. dxe5 Qxe5 23. Bg3 Qe7 24. Bxd6 Qxd6 25. Qd3 Nfd7 26. Bxd7 Nxd7 27. Nf4 Nf6 28. b3 h6 29. Kf2 Rfe8 30. Qd2 Rcd8 {Black wants to play ...d4.} 31. Qd4 Rc8 32. Nd3 Qe7 33. Rxc8 (33. Ra2 {is interesting.} Rxc1 34. Nxc1 Rc8 35. Ne2 Rc5 36. Rd2) 33... Rxc8 34. Rc1 Rxc1 35. Nxc1 Qc7 36. Qd2 Qe5 37. Ne2 Qf5 {...Ne4+ is the strong threat.} 38. Qc1 Qd3 39. Nd4 g6 40. Qc5 Qd2+ 41. Ne2 Qa2 42. Qd4 (42. Qxa5 {is more complex.} Qxb3 43. Qb6 Kg7 44. a5 Qa3 45. a6) 42... Kg7 43. Qd3 Qb2 44. h4 h5 45. Qd1 Qe5 46. Qd4 Qf5 47. Qb2 Kg8 {aiming for ...Ng4+.} 48. Nf4 Nd7 49. Qc1 Qe5 50. Ne2 Qf6 ({Black should play} 50... Qd6 $11) 51. Qc8+ (51. Qc7 $1 $14 Ne5 52. Nf4) 51... Nf8 $11 52. Qc7 Qxh4+ 53. Kf1 $1 Qg5 54. Qxa5 Qxe3 55. Qxb4 Ne6 56. Qc3 Qa7 57. Qd3 d4 58. Qb5 Qc7 59. Ke1 Qc2 60. Qc4 Qb2 61. Kd1 h4 62. Qc2 Qa3 63. Nc1 Nc5 64. Qc4 d3 65. Nxd3 Nxb3 66. Kc2 Na1+ 67. Kd2 Nb3+ 68. Ke3 Qa2 69. Qc8+ Kh7 {And now ...Qd2+ would win.} 70. Qc3 Qxa4 {Strongly threatening ...Qa7+.} 71. Qf6 $1 Kg8 72. Qd8+ (72. Ne5 $1 $11 Qd4+ 73. Ke2) 72... Kg7 $17 {Threatens to win with ...Qa7+.} 73. f4 $2 {[%mdl 8192] [#]} (73. Qd6 $17 {is tougher.}) 73... Qa7+ $1 $19 74. Kf3 {[#]} (74. Ke2 $19 Nd4+ 75. Kf1) 74... Nd4+ $1 {Black mates.} 75. Kg4 Nf5 76. Qe8 {[#]} Qg1 $1 {[%cal Rg1g2]} 77. Qe5+ Kh7 {[%cal Rg1g2]} 78. Kg5 h3 79. Ne1 h2 80. Qe8 h1=Q {[%csl Gf5][%cal Rh1h4]} 81. Qxf7+ Ng7 82. Nf3 Qh5+ {Accuracy: White = 61%, Black = 71%.} 0-1

[Event "Fall Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.09.14"]
[Round "5.2"]
[White "Durarbayli, Vasif"]
[Black "Ipatov, Alexander"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "2626"]
[BlackElo "2650"]
[Annotator "RC"]
[PlyCount "81"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} b6 {[%emt 0:00:00]} 2. d4 {[%emt 0:02:27]} Bb7 {[%emt 0:00:00]} 3. Bd3 {[%emt 0:00:07]} g6 {[%emt 0:00:04]} 4. c3 {[%emt 0:14:21]} Bg7 {[%emt 0:00:22]} 5. Bg5 {[%emt 0:00:38]} d6 {[%emt 0:02:11]} 6. Nf3 {[%emt 0:02:34]} Nd7 {[%emt 0:00:17]} 7. Nbd2 {[%emt 0:02:56]} h6 {[%emt 0:09:04]} 8. Bh4 {[%emt 0:00:52]} Ngf6 {[%emt 0:01:18]} 9. e5 {[%emt 0:16:11]} dxe5 {[%emt 0:00:55]} 10. dxe5 {[%emt 0:00:15]} Nc5 {[%emt 0:00:03]} 11. Bb5+ {[%emt 0:03:37]} Nfd7 {[%emt 0:00:13]} 12. b4 {[%emt 0:02:47]} Ne6 {[%emt 0:04:25]} 13. Bg3 {[%emt 0:03:07]} c5 {[%emt 0:07:19]} 14. O-O {[%emt 0:06:15]} Nc7 {[%emt 0:12:26]} 15. Bc4 {[%emt 0:00:10]} b5 {[%emt 0:07:30]} 16. Bb3 {[%emt 0:00:45]} c4 {[%emt 0:05:33]} 17. Bc2 {[%emt 0:00:21]} Ne6 {[%emt 0:00:08]} 18. a4 {[%emt 0:00:59]} a6 {[%emt 0:00:10]} 19. h4 {[%emt 0:05:27]} Nb6 {[%emt 0:04:12]} 20. Re1 {[%emt 0:01:49]} O-O {[%emt 0:01:57]} 21. h5 {[%emt 0:02:25]} g5 {[%emt 0:00:42]} 22. Qe2 {[%emt 0:04:00]} Nxa4 {[%emt 0:01:46]} 23. Bxa4 {[%emt 0:02:53]} bxa4 {[%emt 0:00:13]} 24. Nxc4 {[%emt 0:00:36]} Rc8 {[%emt 0:02:21]} 25. Na5 {[%emt 0:00:26]} Ba8 {[%emt 0:00:25]} 26. Rec1 {[%emt 0:02:16]} Qb6 {[%emt 0:06:32]} 27. Rxa4 {[%emt 0:00:49]} Qb5 {[%emt 0:02:39]} 28. Ra2 {[%emt 0:02:28]} Rfd8 {[%emt 0:00:49]} 29. Nb3 {[%emt 0:03:55]} Bd5 {[%emt 0:06:09]} 30. Nbd4 {[%emt 0:02:23]} Qxe2 {[%emt 0:00:24]} 31. Rxe2 {[%emt 0:00:07]} g4 {[%emt 0:00:02]} 32. Nf5 {[%emt 0:10:56]} gxf3 {[%emt 0:00:58]} 33. Re3 {[%emt 0:00:01]} Bf8 {[%emt 0:07:10]} 34. gxf3 {[%emt 0:00:05]} Ng5 {[%emt 0:01:23]} 35. Nh4 {[%emt 0:03:04]} e6 {[%emt 0:00:27]} 36. Rce1 {[%emt 0:02:58]} Rc4 {[%emt 0:00:35]} 37. Kh2 {[%emt 0:00:26]} Rdc8 {[%emt 0:00:19]} 38. f4 {[%emt 0:00:05]} Ne4 {[%emt 0:00:12]} 39. f5 {[%emt 0:00:17]} Nxg3 {[%emt 0:01:21]} 40. Kxg3 {[%emt 0:00:00]} Rxc3 {[%emt 0:00:00]} 41. f6 {[%emt 0:01:33]} 0-1

[Event "Fall Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.09.14"]
[Round "5.3"]
[White "Van Foreest, Jorden"]
[Black "Bortnyk, Olexandr"]
[Result "1-0"]
[ECO "B04"]
[WhiteElo "2622"]
[BlackElo "2602"]
[Annotator "RC"]
[PlyCount "51"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:19]} 2. e5 {[%emt 0:00:00]} Nd5 {[%emt 0:00:01]} 3. d4 {[%emt 0:00:11]} d6 {[%emt 0:00:06]} 4. Nf3 {[%emt 0:00:24]} dxe5 {[%emt 0:00:10]} 5. Nxe5 {[%emt 0:00:11]} c6 {[%emt 0:00:06]} 6. h3 {[%emt 0:00:44]} g6 {[%emt 0:02:02]} 7. Bc4 {[%emt 0:00:13]} Bg7 {[%emt 0:00:11]} 8. O-O {[%emt 0:00:09]} O-O {[%emt 0:00:14]} 9. Re1 {[%emt 0:00:09]} Nd7 {[%emt 0:00:05]} 10. Nf3 {[%emt 0:00:14]} a5 {[%emt 0:00:47]} 11. a4 {[%emt 0:02:06]} N7b6 {[%emt 0:00:46]} 12. Bb3 {[%emt 0:05:02]} Bf5 {[%emt 0:05:00]} 13. Bg5 {[%emt 0:05:20]} Re8 {[%emt 0:01:14]} 14. Qd2 {[%emt 0:02:49]} Qc7 {[%emt 0:05:27]} 15. Na3 {[%emt 0:02:59]} Qd7 {[%emt 0:23:55]} 16. Rad1 {[%emt 0:05:53]} h6 {[%emt 0:13:26]} 17. Bxh6 {[%emt 0:09:22]} Bxh3 {[%emt 0:00:14]} 18. Ne5 {[%emt 0:06:09]} Bxe5 {[%emt 0:00:24]} 19. dxe5 {[%emt 0:00:14]} Be6 {[%emt 0:10:39]} 20. Qg5 {[%emt 0:04:36]} Qc7 {[%emt 0:00:50]} 21. Rd4 {[%emt 0:00:08]} Bf5 {[%emt 0:01:22]} 22. c4 {[%emt 0:07:01]} Nb4 {[%emt 0:00:22]} 23. Re3 {[%emt 0:01:06]} Nd7 {[%emt 0:02:25]} 24. Qxf5 {[%emt 0:02:21]} Qxe5 {[%emt 0:05:58]} 25. Qxe5 {[%emt 0:00:37]} Nxe5 {[%emt 0:00:07]} 26. Rxe5 {[%emt 0:00:05]} 1-0

[Event "Fall Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.09.14"]
[Round "5.4"]
[White "Swiercz, Dariusz"]
[Black "Melkumyan, Hrant"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2648"]
[BlackElo "2653"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,55,8,-20,-24,-21,0,0,10,-11,-2,-15,0,0,27,-5,23,19,21,31,32,26,27,18,18,20,20,17,16,23,23,18,16,3,8,0,0,0,0,0,15,0,26,0]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. h4 a5 {C45: Scotch Game} (8... Qe6 9. Nd2 d6 10. exd6 Bxd6 11. Nc4 Bc5 12. a3 O-O 13. Qxe6 Bxe6 14. Bd3 Rfe8 15. O-O a5 16. Ne5 {½-½ (38) Caruana,F (2828)-Robson,R (2667) Saint Louis 2019}) 9. c4 Ba6 10. b3 f6 $146 {The position is equal.} (10... a4 $5) ({Predecessor:} 10... Nb6) 11. exf6 Nxf6 12. Nc3 O-O-O 13. Bb2 Qd6 {[#] White must now prevent ...Re8.} 14. Rh3 (14. Rd1 $5 {[%cal Rd1d6]} Qb4 15. Qc2 $14) 14... Re8 15. Re3 Rxe3 16. Qxe3 {c5 is the strong threat.} Qc5 17. Qxc5 Bxc5 18. Be2 Re8 19. Kf1 Bd4 20. Na4 Bxb2 21. Nxb2 c5 22. Na4 d6 23. Bf3 Rf8 24. Re1 Kd8 25. Rd1 Ke7 26. Re1+ Kd8 27. Rd1 Ke7 28. Re1+ {Accuracy: White = 52%, Black = 56%.} 1/2-1/2

[Event "Fall Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.09.14"]
[Round "5.5"]
[White "Smirin, Ilia"]
[Black "Akobian, Varuzhan"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "2599"]
[BlackElo "2618"]
[Annotator "RC"]
[PlyCount "101"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:02:51]} e6 {[%emt 0:00:04]} 2. d4 {[%emt 0:00:18]} d5 {[%emt 0:00:20]} 3. Nd2 {[%emt 0:00:05]} c5 {[%emt 0:00:44]} 4. Ngf3 {[%emt 0:00:16]} cxd4 {[%emt 0:01:56]} 5. Nxd4 {[%emt 0:00:31]} Nc6 {[%emt 0:00:07]} 6. Bb5 {[%emt 0:00:42]} Bd7 {[%emt 0:00:10]} 7. Nxc6 {[%emt 0:00:06]} bxc6 {[%emt 0:00:05]} 8. Bd3 {[%emt 0:00:20]} Qc7 {[%emt 0:02:26]} 9. Qe2 {[%emt 0:10:13]} Ne7 {[%emt 0:00:42]} 10. g3 {[%emt 0:04:33]} Ng6 {[%emt 0:21:51]} 11. f4 {[%emt 0:01:18]} Bc5 {[%emt 0:09:01]} 12. Nb3 {[%emt 0:15:11]} Bb6 {[%emt 0:00:15]} 13. Be3 {[%emt 0:00:19]} O-O {[%emt 0:05:51]} 14. O-O {[%emt 0:04:49]} c5 {[%emt 0:03:03]} 15. c4 {[%emt 0:00:20]} d4 {[%emt 0:03:48]} 16. Bf2 {[%emt 0:13:35]} f5 {[%emt 0:03:32]} 17. Qh5 {[%emt 0:01:36]} Rae8 {[%emt 0:04:55]} 18. Rae1 {[%emt 0:03:11]} Qc8 {[%emt 0:01:43]} 19. exf5 {[%emt 0:08:48]} exf5 {[%emt 0:00:16]} 20. Rxe8 {[%emt 0:02:42]} Bxe8 {[%emt 0:10:45]} 21. Qd1 {[%emt 0:00:33]} Bc6 {[%emt 0:00:49]} 22. Be2 {[%emt 0:08:13]} Qb7 {[%emt 0:01:45]} 23. Be1 {[%emt 0:01:32]} Re8 {[%emt 0:00:40]} 24. Bd2 {[%emt 0:01:16]} Ne7 {[%emt 0:08:06]} 25. Nc1 {[%emt 0:02:18]} Be4 {[%emt 0:08:14]} 26. Nd3 {[%emt 0:00:58]} Nc6 {[%emt 0:00:01]} 27. a3 {[%emt 0:01:19]} a5 {[%emt 0:01:15]} 28. Re1 {[%emt 0:01:37]} Ba7 {[%emt 0:00:44]} 29. Bf3 {[%emt 0:01:41]} Qd7 {[%emt 0:10:36]} 30. Nf2 {[%emt 0:01:10]} Bxf3 {[%emt 0:00:10]} 31. Rxe8+ {[%emt 0:00:35]} Qxe8 {[%emt 0:00:04]} 32. Qxf3 {[%emt 0:00:04]} g6 {[%emt 0:00:18]} 33. Qd5+ {[%emt 0:00:56]} Kg7 {[%emt 0:00:15]} 34. Kf1 {[%emt 0:00:20]} a4 {[%emt 0:00:06]} 35. g4 {[%emt 0:02:30]} Ne7 {[%emt 0:01:03]} 36. Qb7 {[%emt 0:06:07]} Bb8 {[%emt 0:00:02]} 37. gxf5 {[%emt 0:00:07]} gxf5 {[%emt 0:00:07]} 38. Qb6 {[%emt 0:00:46]} Ng6 {[%emt 0:02:36]} 39. Qxc5 {[%emt 0:00:23]} Qd7 {[%emt 0:00:28]} 40. Nd3 {[%emt 0:00:00]} Kh6 {[%emt 0:00:00]} 41. Qb5 {[%emt 0:06:12]} Qc8 {[%emt 0:03:12]} 42. Qd5 {[%emt 0:02:49]} Ba7 {[%emt 0:03:34]} 43. c5 {[%emt 0:02:09]} Bb8 {[%emt 0:04:03]} 44. Ke2 {[%emt 0:05:11]} Qe8+ {[%emt 0:00:21]} 45. Kd1 {[%emt 0:00:07]} Qc8 {[%emt 0:05:26]} 46. Qxd4 {[%emt 0:01:05]} Qc6 {[%emt 0:00:07]} 47. Kc2 {[%emt 0:01:15]} Bc7 {[%emt 0:01:26]} 48. Nb4 {[%emt 0:01:02]} Qf3 {[%emt 0:01:21]} 49. Nd5 {[%emt 0:00:36]} Bd8 {[%emt 0:00:05]} 50. c6 {[%emt 0:01:01]} Qb3+ {[%emt 0:00:31]} 51. Kc1 {[%emt 0:00:15]} 1-0

[Event "Fall Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.09.15"]
[Round "6.1"]
[White "Robson, Ray"]
[Black "Akobian, Varuzhan"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2653"]
[BlackElo "2618"]
[Annotator "RC"]
[PlyCount "111"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:09:05]} e6 {[%emt 0:00:01]} 2. d4 {[%emt 0:00:15]} d5 {[%emt 0:00:12]} 3. Nc3 {[%emt 0:00:16]} Nf6 {[%emt 0:00:08]} 4. e5 {[%emt 0:00:18]} Nfd7 {[%emt 0:00:04]} 5. f4 {[%emt 0:00:18]} c5 {[%emt 0:00:34]} 6. Nf3 {[%emt 0:00:16]} Nc6 {[%emt 0:02:28]} 7. Be3 {[%emt 0:00:20]} Qb6 {[%emt 0:04:17]} 8. Na4 {[%emt 0:00:34]} Qa5+ {[%emt 0:00:35]} 9. c3 {[%emt 0:00:21]} b6 {[%emt 0:00:10]} 10. Bd2 {[%emt 0:01:30]} c4 {[%emt 0:00:48]} 11. b4 {[%emt 0:00:27]} Qa6 {[%emt 0:00:03]} 12. Be2 {[%emt 0:03:04]} Be7 {[%emt 0:01:52]} 13. O-O {[%emt 0:00:53]} O-O {[%emt 0:00:31]} 14. Qc2 {[%emt 0:06:34]} f5 {[%emt 0:00:46]} 15. Nb2 {[%emt 0:02:03]} b5 {[%emt 0:04:53]} 16. a4 {[%emt 0:01:11]} Nb6 {[%emt 0:21:44]} 17. a5 {[%emt 0:01:38]} Nd7 {[%emt 0:00:10]} 18. Nd1 {[%emt 0:06:44]} Rf7 {[%emt 0:05:20]} 19. Ng5 {[%emt 0:01:19]} Bxg5 {[%emt 0:02:23]} 20. fxg5 {[%emt 0:00:04]} Ne7 {[%emt 0:03:18]} 21. h4 {[%emt 0:01:30]} Bb7 {[%emt 0:09:59]} 22. Nf2 {[%emt 0:07:06]} Qc6 {[%emt 0:15:23]} 23. Nh3 {[%emt 0:01:35]} a6 {[%emt 0:06:01]} 24. Nf4 {[%emt 0:04:03]} Nf8 {[%emt 0:03:30]} 25. h5 {[%emt 0:01:52]} g6 {[%emt 0:00:44]} 26. Rf2 {[%emt 0:08:17]} Bc8 {[%emt 0:04:24]} 27. Raf1 {[%emt 0:02:39]} Bd7 {[%emt 0:01:33]} 28. g3 {[%emt 0:03:28]} Be8 {[%emt 0:01:50]} 29. Rh2 {[%emt 0:14:13]} Rg7 {[%emt 0:01:05]} 30. Kg2 {[%emt 0:04:24]} gxh5 {[%emt 0:04:00]} 31. Rfh1 {[%emt 0:00:30]} Bg6 {[%emt 0:04:15]} 32. Qd1 {[%emt 0:00:39]} Kf7 {[%emt 0:00:58]} 33. Bxh5 {[%emt 0:04:14]} Ke8 {[%emt 0:00:34]} 34. Bf3 {[%emt 0:05:39]} Kd7 {[%emt 0:00:24]} 35. Qe2 {[%emt 0:00:27]} Re8 {[%emt 0:01:50]} 36. Kf2 {[%emt 0:00:25]} Ra8 {[%emt 0:00:40]} 37. Ke1 {[%emt 0:00:46]} Kc7 {[%emt 0:00:17]} 38. Kd1 {[%emt 0:00:57]} Nd7 {[%emt 0:00:38]} 39. Kc1 {[%emt 0:00:47]} Rag8 {[%emt 0:00:05]} 40. Rh6 {[%emt 0:00:00]} Nf8 {[%emt 0:00:00]} 41. Qg2 {[%emt 0:04:41]} Qe8 {[%emt 0:01:54]} 42. Kb2 {[%emt 0:00:52]} Qf7 {[%emt 0:09:38]} 43. Rf1 {[%emt 0:01:22]} Qe8 {[%emt 0:00:28]} 44. g4 {[%emt 0:02:58]} fxg4 {[%emt 0:11:26]} 45. Bxg4 {[%emt 0:00:44]} Be4 {[%emt 0:01:40]} 46. Qf2 {[%emt 0:09:24]} Rxg5 {[%emt 0:07:41]} 47. Nxe6+ {[%emt 0:01:09]} Nxe6 {[%emt 0:00:06]} 48. Bxg5 {[%emt 0:00:28]} Rxg5 {[%emt 0:02:07]} 49. Rxe6 {[%emt 0:00:53]} Rxg4 {[%emt 0:00:05]} 50. Qf7 {[%emt 0:00:36]} Rg2+ {[%emt 0:00:44]} 51. Kc1 {[%emt 0:00:30]} Qxf7 {[%emt 0:00:40]} 52. Rxf7 {[%emt 0:00:30]} Rc2+ {[%emt 0:00:32]} 53. Kd1 {[%emt 0:00:00]} Rxc3 {[%emt 0:00:03]} 54. Rfxe7+ {[%emt 0:00:08]} Kd8 {[%emt 0:00:15]} 55. Re8+ {[%emt 0:00:08]} Kd7 {[%emt 0:00:07]} 56. R6e7+ {[%emt 0:00:06]} 1-0

[Event "Fall Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.09.15"]
[Round "6.2"]
[White "Melkumyan, Hrant"]
[Black "Smirin, Ilia"]
[Result "1/2-1/2"]
[ECO "E81"]
[WhiteElo "2653"]
[BlackElo "2599"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,93,28,34,20,31,9,15,20,37,18,47,60,60,49,51,42,48,18,43,26,28,25,53,32,42,0,0,0,0,0,0,0,0,0,43,-17,-18,-48,-36,-48,-36,-69,-62,-63,-68,-97,-71,-63,-4,-7,-8,-10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Nge2 a6 7. Ng3 {E81: King's Indian: Sämisch: 6th move deviations (including 6 Be3 c6)} (7. Be3 b5 8. cxb5 axb5 9. Nxb5 Nbd7 10. Nbc3 c6 11. Nc1 e5 12. Be2 Nh5 13. O-O exd4 14. Bxd4 Nf4 15. Bxg7 {1-0 (31) Korobov,A (2698)-Grischuk,A (2771) St Petersburg 2018}) 7... Nc6 8. d5 Ne5 9. f4 Ned7 $1 10. Be2 e6 $146 ({Predecessor:} 10... c6 11. Be3 h5 12. O-O cxd5 13. cxd5 b5 14. Bf3 Nb6 {½-½ (52) Maciol,R (2163)-Hebden,M (2435) Telford 2019}) 11. dxe6 fxe6 12. O-O b6 13. Be3 Bb7 14. Qc2 Qe7 15. Rae1 Bh6 16. Bf3 {aiming for e5.} Rab8 17. Kh1 Bg7 18. e5 dxe5 19. fxe5 Nxe5 20. Bxb7 Rxb7 21. Bg5 Ned7 $1 22. Nd5 Qe8 23. Nf4 ({Better is} 23. Qa4 $14 b5 24. Qxa6) 23... e5 $11 24. c5 bxc5 25. Nd3 Qe6 26. Bxf6 Rxf6 27. Rxf6 Bxf6 28. Ne4 Be7 29. b3 {[%cal Re4c5]} Rb8 ({Black should try} 29... Rb5 $15) 30. Ndxc5 {The position is equal.} Nxc5 31. Nxc5 Qc6 32. Qc4+ Kh8 33. Nxa6 ({Don't blunder} 33. Rxe5 $2 Rd8 $19) 33... Qxc4 34. bxc4 {[%mdl 4096] Endgame KRB-KRN} Rb2 35. g3 Rxa2 36. Nxc7 Rc2 37. Rxe5 Bd6 38. Re8+ Kg7 39. Nb5 Bc5 40. Rc8 Rxc4 41. Rc7+ Kg8 42. Kg2 Rc1 43. Nd4 Ba3 44. Ra7 Bb2 45. Ra8+ Kf7 46. Ra7+ Kg8 47. Ra8+ {Accuracy: White = 62%, Black = 64%.} 1/2-1/2

[Event "Fall Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.09.15"]
[Round "6.3"]
[White "Bortnyk, Olexandr"]
[Black "Swiercz, Dariusz"]
[Result "1/2-1/2"]
[ECO "C24"]
[WhiteElo "2602"]
[BlackElo "2648"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,65,12,11,17,16,9,17,18,13,17,16,7,13,-6,-7,-10,-15,-14,-6,-27,2,17,33,33,33,45,50,46,52,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-22,-15,-16]} 1. e4 e5 2. Bc4 Nf6 3. d3 c6 4. Nf3 d5 5. Bb3 Bb4+ 6. Bd2 {C24: Bishop's Opening: 2...Nf6} Bxd2+ 7. Qxd2 $146 (7. Nbxd2 a5 8. a4 Bg4 9. h3 Bxf3 10. Qxf3 O-O 11. O-O dxe4 12. Nxe4 Nxe4 13. Qxe4 Nd7 14. Qe3 Re8 15. Rae1 Nf6 16. Re2 e4 {½-½ (16) Rapport,R (2731)-Ding,L (2813) Wijk aan Zee 2019}) 7... a5 8. a4 (8. Nxe5 $2 a4 $17) 8... O-O 9. exd5 cxd5 10. Nxe5 Nc6 11. d4 Qb6 $1 12. Nxc6 bxc6 13. O-O Ne4 14. Qe3 Ba6 15. Re1 Qb4 16. f3 Rae8 17. Nd2 $1 Qxd2 18. fxe4 Qb4 $1 19. e5 ({Better is} 19. Qc3 $1 $14) 19... f6 $11 {The position is equal.} 20. Rad1 fxe5 21. dxe5 Rf5 22. h3 Rfxe5 23. Qxe5 Rxe5 24. Rxe5 h6 25. Re6 Qc5+ 26. Kh1 {[#] Rxc6! is the strong threat.} Bc4 27. Rde1 Bxb3 28. cxb3 {KQ-KRR} d4 29. Re8+ Kh7 30. Rd8 Qb4 31. Rf1 c5 32. Rf3 Qe1+ 33. Kh2 {Accuracy: White = 87%, Black = 84%.} 1/2-1/2

[Event "Fall Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.09.15"]
[Round "6.4"]
[White "Ipatov, Alexander"]
[Black "Van Foreest, Jorden"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2650"]
[BlackElo "2622"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,51,0,0,24,19,25,28,28,36,36,29,29,29,27,28,35,35,34,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. e4 Bb4 6. Bg5 c5 7. Bxc4 cxd4 8. Nxd4 Bxc3+ 9. bxc3 Qa5 10. Bb5+ Bd7 {D39: Queen's Gambit Declined: Ragozin Defence with 5 Bg5 dxc4} (10... Nbd7 {looks sharper.} 11. Bxf6 Qxc3+ 12. Kf1 gxf6 13. Nf5 exf5 14. Rc1 Qb4) 11. Bxf6 $1 gxf6 12. Bxd7+ Nxd7 {White has an edge.} 13. O-O Qxc3 ({Predecessor:} 13... Rd8 14. Rb1 {0-1 (49) Alvarez,R (2204)-Vera Gonzalez Quevedo,R (2495) Merida 2007}) 14. Rb1 $146 (14. Qa4 O-O 15. Nxe6 Nb6 16. Qd4 Rfc8 17. Qxc3 Rxc3 18. Nf4 {½-½ (78) Carlsen,M (2875)-Anand,V (2767) Zagreb 2019}) 14... Rd8 15. Nb5 Qc6 16. Nd6+ Kf8 $1 {[#] White must now prevent ...Nc5.} 17. Nxb7 Rb8 18. Na5 Qxe4 {The position is equal.} 19. Qd6+ Kg7 20. Rxb8 Nxb8 21. Qg3+ $1 Qg6 22. Qc7 Na6 23. Qd6 Nb8 24. Qc7 Na6 25. Qd6 Nb8 26. Qc7 {Accuracy: White = 90%, Black = 96%.} 1/2-1/2

[Event "Fall Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.09.15"]
[Round "6.5"]
[White "Lenderman, Aleksandr"]
[Black "Durarbayli, Vasif"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2645"]
[BlackElo "2626"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,73,6,35,5,30,37,36,29,19,37,33,27,31,18,32,26,29,25,19,13,15,9,16,0,41,53,55,59,63,20,19,16,29,24,22,20,20,19,15,18,27,22,17,10,10,9,13,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 e6 5. O-O Be7 6. d4 O-O 7. Re1 Na6 8. a3 {E17: Queen's Indian: 4 g3 Bb7 5 Bg2 Be7} (8. h4 Re8 9. Nc3 Ne4 10. Bd2 c5 11. d5 exd5 12. cxd5 Bf6 13. Nxe4 Rxe4 14. Ng5 Rd4 15. Qc2 g6 16. Bc3 Nb4 17. Qb3 a5 18. Bxd4 Bxd4 19. d6 Qf6 20. Bxb7 {1-0 (20) Ding,L (2805)-Rapport,R (2747) Saint Louis 2019}) 8... c5 9. d5 exd5 10. Nh4 $1 {White is slightly better.} Ne4 11. cxd5 Bxh4 12. Bxe4 Bf6 13. Nc3 d6 {[#]} 14. Bf4 $146 ({Predecessor:} 14. Qc2 g6 15. Bh6 Re8 {1-0 (46) Ladva,O (2530)-Neiksans,A (2581) Liepaja 2017}) 14... Nc7 15. Qd3 h6 16. Rad1 Re8 17. Qc2 b5 18. Bg2 b4 19. Ne4 Be5 20. Bxe5 Rxe5 21. axb4 cxb4 22. Nd2 Bxd5 23. Nc4 Rh5 24. Bxd5 Rxd5 25. Rxd5 Nxd5 26. Rd1 Nb6 {[#] aiming for ...Rc8.} 27. Nxd6 Qf6 {The position is equal.} 28. Rd3 Rd8 29. Qd2 {Threatens to win with Ne4!} Qe6 30. Rd4 a5 31. Nb7 Rxd4 32. Qxd4 Nc4 33. Nxa5 {[%mdl 64] [#] Decoy} Nxa5 34. Qd8+ {[%mdl 64] Double Attack} Kh7 {Hoping for ...Nc4.} 35. Qxa5 Qe4 36. e3 Qb1+ 37. Kg2 {Accuracy: White = 61%, Black = 76%.} 1/2-1/2

[Event "Fall Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.09.16"]
[Round "7.1"]
[White "Durarbayli, Vasif"]
[Black "Robson, Ray"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "2626"]
[BlackElo "2653"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,60,-8,8,-44,-35,-55,-21,-38,-51,-39,-32,-37,-4,-40,-24,-91,-87,-93,-85,-91,-91,-94,-79,-86,-71,-172,-167,-205,-226,-208,-227,-224,-216,-298,-302,-664,-665,-636,-639,-869,-877,-853,-847,-809,-777,-29983,-29984,-29995,-29996,-29996,-29997]} 1. c4 c6 2. e4 d5 3. exd5 cxd5 4. d4 Nf6 5. Nc3 Nc6 6. Bg5 Be6 7. g3 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack} (7. a3 $11) (7. a3 Qd7 8. Nge2 dxc4 9. Bxf6 exf6 10. d5 O-O-O 11. dxc6 Qxc6 12. Qa4 Qb6 13. Qb5 Qc7 14. Ng3 a6 15. Qa4 Qf4 {1-0 (39) Inarkiev,E (2693)-Dreev,A (2670) Moscow 2018}) 7... dxc4 $15 8. Bg2 {d5 is the strong threat.} Nd5 $146 ({Predecessor:} 8... Qb6 9. Nge2 O-O-O 10. O-O h6 11. Be3 Nd5 12. Nxd5 Bxd5 13. Bxd5 Rxd5 14. Nf4 Rd7 15. d5 Qa6 16. Qe2 Nd8 17. Rac1 {1-0 (17) Hausdorf,H (2395)-Grau Ribas,J (2338) ICCF email 2002}) 9. Nge2 {The position is equal.} h6 10. Be3 g5 11. h4 Bg7 12. Qa4 Qd7 $36 {[%mdl 2048] Black fights for an advantage.} 13. a3 (13. hxg5 $11 hxg5 14. Rxh8+ Bxh8 15. Bxg5) 13... Nxc3 $1 $17 ({Of course not} 13... Nxe3 14. fxe3 Nd8 15. Kf2 $11) 14. Nxc3 Nxd4 15. Qxd7+ Bxd7 16. O-O-O Nb3+ 17. Kb1 O-O-O 18. Nd5 {[#]} (18. Bxa7 $17 Bxc3 19. bxc3) 18... e6 $1 $19 {[%cal Re6d5]} 19. Ne7+ Kc7 {Hoping for ...Bf6.} 20. hxg5 hxg5 21. Bxg5 Ba4 22. Bf4+ Kb6 23. Bg5 $2 (23. Rxd8 Rxd8 24. g4) 23... Rxh1 24. Rxh1 {intending Nf5!} Rd3 25. Bf4 {If White can now play Nc8+ this consolidates a bit.} Nd2+ 26. Kc1 {[#]} c3 $1 {[%csl Gg7][%cal Rc3b2]} 27. Nc8+ Ka6 {[%csl Gg7][%cal Rc3b2]} 28. b4 Nc4 {Black mates.} 29. Be4 {[#]} c2 $1 {[%csl Gc4][%cal Rg7b2][%mdl 512]} 30. b5+ Ka5 {Accuracy: White = 32%, Black = 98%.} 0-1

[Event "Fall Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.09.16"]
[Round "7.2"]
[White "Van Foreest, Jorden"]
[Black "Lenderman, Aleksandr"]
[Result "1/2-1/2"]
[ECO "B48"]
[WhiteElo "2622"]
[BlackElo "2645"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,70,35,1,10,4,30,0,16,16,22,11,0,0,7,-8,38,34,30,14,15,15,52,58,130,136,126,129,129,129,136,143,112,128,157,152,107,113,109,0,3,5,5,5,0,0,5,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Nxc6 bxc6 {B48: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 without Be2} 8. Qf3 $146 (8. Bd3 Rb8 9. O-O Nf6 10. b3 d5 11. Bd2 Be7 12. Qe2 O-O 13. Rae1 Re8 14. h3 g6 15. Na4 {1-0 (39) Timofeev,A (2593)-Horvath,A (2533) Budapest 2019}) 8... Nf6 9. Qg3 Qxg3 10. hxg3 Rb8 11. b3 Bb4 12. Bd2 d5 13. Bd3 e5 14. f3 h6 15. O-O-O O-O 16. Kb2 d4 17. Na4 Nd7 ({Black should play} 17... Bd6 $14) 18. Bxb4 $16 Rxb4 19. c3 dxc3+ 20. Kxc3 ({Resist} 20. Nxc3 $6 Nc5 $11) 20... Rd4 {[#]} 21. Be2 $1 c5 22. Rxd4 exd4+ 23. Kc4 Ne5+ 24. Kxc5 d3 {[#]} 25. Kd4 (25. Bd1 $1 $16) 25... dxe2 $11 {The position is equal.} 26. Kxe5 {[%mdl 4096] Endgame And now Re1 would win. KRB-KRN} Rd8 $132 {[%mdl 2048] Black puts up resistance} 27. Re1 $1 {[%cal Re1e2]} Rd2 (27... Rd3 $5 28. g4 $8 g5 $16) 28. Kf4 Rxa2 29. Ke3 Be6 30. Nc5 Bxb3 31. Nxb3 Ra3 32. Kxe2 {Black must now prevent Rb1.} Rxb3 33. Ra1 Rb2+ 34. Ke3 Rxg2 35. g4 ({Don't play} 35. Rxa6 Rxg3 36. Kf2 Rg5 $17) 35... g5 {Accuracy: White = 67%, Black = 76%.} 1/2-1/2

[Event "Fall Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.09.16"]
[Round "7.3"]
[White "Swiercz, Dariusz"]
[Black "Ipatov, Alexander"]
[Result "1/2-1/2"]
[ECO "D97"]
[WhiteElo "2648"]
[BlackElo "2650"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,60,-6,0,0,0,0,0,0,0,0,0,0,0,0,0,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,5,4,4,0,0,0,3,6,6,3,5]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 a6 8. Be2 ({Predecessor:} 8. Qb3 b5 {½-½ (54) Oreopoulos,K (2450)-Van Unen,H (2513) ICCF email 2013}) 8... b5 9. Qb3 c5 10. dxc5 Be6 {The position is equal.} 11. Qc2 {D97: Grünfeld: Russian System: 7 e4, replies other than 7...Bg4} Nbd7 12. c6 $146 (12. Be3 Rc8 13. Rd1 b4 14. Nd5 Bxd5 15. exd5 Nxc5 16. O-O Nce4 17. Qd3 Qd6 18. Qxa6 Rc2 {½-½ (67) Giri,A (2755)-Nepomniachtchi,I (2740) Moscow 2016}) 12... Nb8 $1 {[%cal Bd7b8,Bb8c6,Bc6d4][%mdl 32]} 13. Ng5 Nxc6 14. Nxe6 fxe6 15. Nxb5 Rc8 16. Nc3 Nd4 17. Qd3 $1 Nd7 {Threatens to win with ...Nc5.} 18. O-O Nc5 19. Qh3 Na4 {[#] ...Nxc3 is the strong threat.} 20. Bg4 Nxc3 $1 21. bxc3 Rxc3 22. Be3 $1 ({But not} 22. Qxc3 Ne2+ 23. Bxe2 Bxc3 $17) 22... Qd6 23. Rac1 Ra3 24. Kh1 h5 25. Bf3 Kh7 26. e5 Qxe5 27. Bxd4 $1 Qxd4 28. Qxe6 Qe5 29. Qxe5 Bxe5 30. Rc2 Rd8 {Accuracy: White = 98%, Black = 86%.} 1/2-1/2

[Event "Fall Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.09.16"]
[Round "7.4"]
[White "Smirin, Ilia"]
[Black "Bortnyk, Olexandr"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2599"]
[BlackElo "2602"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,65,25,30,25,63,64,97,86,91,91,111,66,64,25,42,38,56,44,79,109,71,72,262,239,416,414,417,410,391,389,647,643,723,683,751,743,714,695,688,680,1445,1422,1391,1326,29974,29957,29974,29975,29971,29967,6191,6191]} 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. Qd2 b5 6. f3 Nd7 7. h4 h5 8. Nh3 Bb7 9. Ng5 {B06: Modern Defence} Rc8 (9... Ngf6 10. O-O-O Nb6 11. Bd3 e6 12. Kb1 Qe7 13. Ne2 O-O-O 14. Qa5 Nfd7 15. b3 Nb8 16. Rc1 Nc6 17. Qd2 f6 18. Nh3 {0-1 (72) Fressinet,L (2700)-Mamedov,R (2650) Huaian 2016}) 10. a4 b4 11. Bc4 {White is better.} e6 12. Ne2 c5 13. Ba2 $146 ({Predecessor:} 13. dxc5 dxc5 14. Rd1 Qe7 15. Qxd7+ Qxd7 16. Rxd7 Kxd7 17. Nxf7 Bxb2 18. Nxh8 Bxh8 {1-0 (41) Wang,K (2367)-Nguyen,T (1949) Philadelphia 2017}) 13... a5 14. Rd1 c4 15. c3 $36 {[%mdl 2048] White has the initiative.} b3 16. Bb1 Ne7 17. f4 Nf6 {[#]} 18. O-O $1 Bh6 $2 (18... Qd7 $16 {is a better defense.}) 19. f5 Bxg5 $2 (19... Ng4 20. fxe6 fxe6) 20. Bxg5 $18 Nxe4 21. Bxe4 Bxe4 22. fxe6 fxe6 $2 (22... f5 23. Bf6 O-O) 23. Rf6 ({Weaker is} 23. Qf4 Bf5 $11) 23... Bf5 24. Nf4 Kd7 25. Rf7 Re8 26. Re1 Rc7 27. Qe3 Kc6 {If Black can now play ...Qc8 this consolidates a bit.} 28. Nxe6 Bxe6 29. Qxe6 {[%mdl 64] Double Attack} Nd5 30. Rxc7+ Nxc7 31. Qxc4+ {[%mdl 64] Double Attack} Kd7 32. Bxd8 {[%csl Gd8][%cal Rc4c7]} Rxe1+ {[#]} 33. Kf2 $1 {Accuracy: White = 72%, Black = 30%.} 1-0

[Event "Fall Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.09.16"]
[Round "7.5"]
[White "Akobian, Varuzhan"]
[Black "Melkumyan, Hrant"]
[Result "1/2-1/2"]
[ECO "E36"]
[WhiteElo "2618"]
[BlackElo "2653"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,106,5,12,10,8,20,20,28,18,33,15,17,15,14,-22,-26,-85,-75,-111,-78,-130,-133,-107,-118,-121,-95,-113,-93,-147,-92,-132,-137,-104,-93,-110,-106,-129,-67,-131,-162,-149,-145,-150,-29,-68,-79,-75,-92,-93,-83,-89,-68,-81,-61,-65,-14,-11,0,-101,0,-35,-34,-87,-103,-91,0,0,0,0,6,6,0,0,50,8,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 dxc4 7. Qxc4 b6 {E36: Nimzo-Indian: Classical: 4...d5 5 a3} 8. Nf3 Ba6 9. Qa4+ (9. Qc2 h6 10. Bf4 O-O 11. Rd1 Nbd7 12. g3 Rc8 13. Bg2 Nd5 14. O-O c5 15. Bd6 cxd4 {½-½ (45) Mamedyarov,S (2808)-Anand,V (2759) Leuven 2018}) 9... Qd7 10. Qc2 h6 11. Bf4 O-O 12. Be5 Ng4 13. Qe4 $146 (13. Bxc7 Rc8 $17) ({Predecessor:} 13. e3 Bxf1 14. Kxf1 Nc6 {0-1 (49) Ordaz Valdes,L (2415)-Ju,W (2561) Batumi 2018}) 13... f5 $1 $36 {[%cal Rf5e4][%mdl 2048] Black is pushing.} 14. Qf4 ({Much worse is} 14. Qxa8 Nc6 $17) (14. Qc2 $11 {keeps the balance.}) 14... Nc6 $17 15. Rc1 Rac8 16. e3 (16. h3 $142 Ngxe5 17. dxe5) 16... Bxf1 17. Rxf1 Ne7 18. h3 ({Not} 18. Rxc7 $2 Qb5 $19) 18... Nd5 19. Qg3 Ngf6 20. Bxf6 (20. Nd2 $142) 20... Rxf6 (20... Nxf6 $142 21. Rd1 Rfe8) 21. Qe5 Qb5 22. Rc2 Qd3 23. Rd2 Qc4 24. Rg1 Ne7 ({Black should try} 24... Rcf8 $17) 25. Kd1 (25. h4 $15) 25... Ng6 26. Qg3 c5 27. Rc2 Qa6 (27... Qa2 $1 $17 {...f4 is the strong threat.} 28. Ke2 f4) 28. Kc1 cxd4 29. exd4 f4 30. Qg4 Rxc2+ 31. Kxc2 Qe2+ 32. Kb1 $1 Qxf2 33. Rc1 Qg3 (33... Kh7 $15) 34. Rc8+ $11 Nf8 35. Ra8 (35. Ne5 $1 $11 {remains equal.}) 35... h5 ({Black should play} 35... Rg6 $17 36. Qxg3 Rxg3) 36. Qxh5 Qxg2 37. Ka2 (37. Rxa7 $15 Qg6+ 38. Qxg6 Rxg6 39. Ra8) 37... Qe2 $17 38. Rxa7 Qe4 ({But not} 38... Qc4+ $6 39. Ka1 $11) (38... Rg6 $1 $17 39. Rc7 Rg2 40. Qf7+ {[%mdl 64] [#] Double Attack} Kh7 $1 {[%mdl 512]} 41. Qh5+ Kg8 42. Qf7+ {[%mdl 64] Double Attack} Kh7 $1 {[%mdl 512]} 43. Qh5+ Kg8) 39. Rc7 Rg6 40. a4 Qd5+ 41. Qxd5 exd5 $11 {[%mdl 4096] Endgame KRN-KRN} 42. b4 Ne6 (42... Rg3 $5 {[%cal Rg3f3]} 43. Rc3 Rxh3 $11) 43. Rc3 Ng5 {The position is equal.} 44. Nxg5 Rxg5 {KR-KR} 45. a5 bxa5 46. bxa5 {Threatens to win with a6.} Rf5 47. Rf3 Kf7 48. a6 {Strongly threatening a7.} Ke6 49. a7 Rf8 50. Rxf4 Ra8 51. h4 Rxa7+ 52. Kb3 Rc7 53. h5 Rc1 {Accuracy: White = 55%, Black = 61%.} 1/2-1/2

[Event "Fall Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.09.17"]
[Round "8.1"]
[White "Robson, Ray"]
[Black "Melkumyan, Hrant"]
[Result "1/2-1/2"]
[ECO "C92"]
[WhiteElo "2653"]
[BlackElo "2653"]
[Annotator "TA"]
[PlyCount "26"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,26,0,21]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Bb7 10. d4 Re8 11. Ng5 Rf8 12. Nf3 Re8 13. Ng5 $146 ({Predecessor:} 13. Nbd2 Bf8 14. a3 g6 15. Ba2 Bg7 16. b4 exd4 17. cxd4 a5 18. Rb1 axb4 19. d5 Ne5 20. Nxe5 dxe5 21. Rxb4 c6 22. dxc6 Bxc6 23. Qf3 Bf8 24. Rb1 {1-0 (33) Topalov,V (2740)-Mamedyarov,S (2790) Shamkir 2019}) 13... Rf8 1/2-1/2

[Event "Fall Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.09.17"]
[Round "8.2"]
[White "Bortnyk, Olexandr"]
[Black "Akobian, Varuzhan"]
[Result "0-1"]
[ECO "C15"]
[WhiteElo "2602"]
[BlackElo "2618"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,80,-3,15,0,8,0,7,-31,-25,-37,-30,-25,-42,-42,-35,-53,-37,-52,-51,-57,-28,-64,-57,-43,-25,-23,-25,-130,-135,-135,-137,-137,-139,-133,-122,-389,-422,-443,-440,-410,-411,-698,-693,-668,-651,-688,-674,-640,-499,-1020,-1000,-29965,-11058,-29976,-29978,-29978,-29979,-29979,-29980,-29979,-29980,-29979,-29981,-29981,-29982,-29988,-29989,-29989,-29985]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 exd5 5. Bd3 Nc6 6. Nge2 Nge7 7. Bg5 f6 8. Bf4 {C01: French: Exchange Variation} Bf5 (8... Bxc3+ 9. bxc3 Bf5 10. O-O O-O 11. c4 Kh8 12. Rb1 b6 13. Be3 Bxd3 14. Qxd3 dxc4 15. Qxc4 Qd5 {½-½ (112) Babujian,L (2465)-Shahinyan,D (2431) Yerevan 2016}) 9. O-O Qd7 10. Re1 {The position is equal.} O-O-O 11. Be3 $146 ({Predecessor:} 11. a3 Ba5 12. b4 Bb6 13. Na4 g5 14. Be3 Bxd3 15. Qxd3 Nf5 16. Nxb6+ axb6 {½-½ (54) Altstadt,K (2042)-Zimmermann,R (2134) Germany 2016}) 11... g5 12. a3 Bxc3 13. Nxc3 Bxd3 14. Qxd3 Nf5 15. Na4 {And now Nc5 would win.} b6 16. b4 Rhe8 17. Rab1 Kb8 ({But not} 17... Nxe3 $2 18. Nc5 $18) 18. Nc3 h5 19. a4 h4 20. f3 {[#]} (20. h3 $11 {keeps the balance.}) 20... h3 $1 $17 {[%mdl 512] Strongly threatening ...hxg2.} 21. g3 (21. gxh3 Rh8) 21... Nxe3 22. Rxe3 Rxe3 23. Qxe3 Qf5 24. Rb2 $2 {[%mdl 8192] [#]} (24. Qd3 $17 Qxd3 25. cxd3) 24... Nxd4 $1 $19 {[%mdl 512]} 25. Kf2 (25. Qxd4 Qxf3) 25... Nxc2 26. Qe7 Rc8 {Hoping for ...Qd3.} 27. Nb5 (27. Qe2 $142 Nd4 28. Qd1) 27... a6 28. Qe2 axb5 29. Rxc2 bxa4 {[%mdl 4096] Endgame KQR-KQR} 30. Ra2 Qd7 31. b5 (31. Qa6 $142 b5 32. Qxf6) 31... Re8 32. Qf1 Qe7 {[%csl Ge8][%cal Re7e3]} 33. Qxh3 Qe1+ {Black mates.} 34. Kg2 Re2+ 35. Rxe2 Qxe2+ {[%mdl 64] Double Attack. KQ-KQ} 36. Kg1 Qxb5 37. Qh8+ Kb7 38. Qxf6 a3 {[%cal Ba4a3,Ba3a2][%mdl 32]} 39. Qa1 Qb2 40. Qd1 a2 {Accuracy: White = 23%, Black = 92%.} 0-1

[Event "Fall Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.09.17"]
[Round "8.3"]
[White "Ipatov, Alexander"]
[Black "Smirin, Ilia"]
[Result "1/2-1/2"]
[ECO "E90"]
[WhiteElo "2650"]
[BlackElo "2599"]
[Annotator "TA"]
[PlyCount "136"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,136,-8,-14,-14,0,-13,-11,0,5,15,-10,0,-11,-5,-35,-4,-6,0,-4,0,-2,0,0,0,0,15,-8,-8,-10,-12,-7,-8,-19,-18,-31,-47,-37,-36,-39,-26,-59,-45,-39,-8,-79,-75,-69,-57,-83,-27,-27,-4,-37,-43,-67,-67,-67,-54,-32,-6,-67,-60,-60,-37,-31,0,-59,-35,-47,-56,-150,-119,-148,-80,-80,-90,-143,-119,-120,-115,-112,-108,-197,-189,-198,-171,-170,-159,-196,-120,-161,-32,-75,-64,-65,-16,-16,-16,-16,-16,-16,-16,-17,-32,-32,-1,-1,0,0,0,0,0,-32,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. h3 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Bg5 Na6 10. Nd5 Rd6 {E90: King's Indian: Classical: Early deviations and 6 h3} 11. Bxf6 Bxf6 12. Rc1 Bd8 (12... b6 13. b4 c6 14. Nxf6+ Rxf6 15. a3 c5 16. b5 Nc7 17. Rd1 a6 18. Rd8+ {0-1 (44) Wang,Y (2690)-Saric,I (2669) Riadh 2017}) 13. c5 Re6 14. a3 c6 15. Bxa6 {Strongly threatening Bd3.} cxd5 16. Bd3 dxe4 17. Bxe4 {[#]} Re7 $146 ({Predecessor:} 17... Bc7 18. O-O {0-1 (59) Cheng,B (2425)-Zhao,Z (2537) Canberra 2013}) 18. O-O f5 19. Bd5+ Kf8 20. Rfd1 Rb8 21. b4 Bc7 22. Nd2 Bd7 23. Bb3 e4 24. Nc4 Be6 25. Rb1 b6 {[%cal Bb7b6,Bb6b5][%mdl 32]} 26. c6 b5 27. Ne3 Bxb3 28. Rxb3 Re6 29. Rc3 Rc8 $1 30. g3 Bb6 31. Rdc1 (31. Nd5 $11 {remains equal.}) 31... Rd6 $17 32. Kf1 Ke7 33. Ke2 Kd8 (33... a6 $17) 34. a4 $1 $11 a6 35. a5 (35. c7+ $5 Rxc7 36. Rxc7 Bxc7 37. axb5 $15) 35... Bxe3 36. fxe3 $15 {[%mdl 4096] Endgame KRR-KRR} Kc7 37. g4 fxg4 38. hxg4 Rf8 39. Rh1 ({White should try} 39. g5 $1 $11) 39... Rf7 40. g5 Rd5 41. Rh4 Re7 42. Rg4 (42. Rf4 $1 $11) 42... Rd6 $1 43. Rf4 Rxc6 44. Rxc6+ ({White should play} 44. Kd2 $1 $15) 44... Kxc6 {KR-KR} 45. Rf8 Kd5 (45... Re5 $142 $1 46. Rc8+ Kd6 47. Rd8+ Ke6) 46. Rc8 $17 Re6 47. Rc5+ Kd6 48. Rc8 Re5 $1 49. Rd8+ Ke6 $1 50. Re8+ {[#]} (50. Rc8 $17 {might work better.}) 50... Kf5 $1 $19 51. Rh8 Kxg5 52. Rxh7 Re6 53. Rb7 {[#]} Kf5 (53... Kg4 $1 $19 54. Rb6 Kf5) 54. Kf2 Ke5 (54... g5 $19 55. Rb8 Rc6) 55. Kg3 Kd5 56. Rc7 $1 Rf6 57. Rc5+ Kd6 58. Rg5 Rf3+ 59. Kg4 $1 Rxe3 60. Kf4 Re1 61. Rxg6+ Kd5 62. Rxa6 Kc4 63. Re6 Kxb4 64. a6 Kc3 65. Rxe4 Rf1+ (65... Ra1 $5 {[%cal Ra1a6]} 66. Re3+ Kd4 67. Re4+ Kc3 68. Re3+ Kd4 69. Re4+ Kd5 70. Re5+ Kc4 $11) 66. Ke5 {The position is equal.} b4 {And now ...b3 would win.} 67. Kd5 Ra1 {...b3 is the strong threat.} 68. Re3+ Kd2 {Accuracy: White = 47%, Black = 58%.} 1/2-1/2

[Event "Fall Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.09.17"]
[Round "8.4"]
[White "Lenderman, Aleksandr"]
[Black "Swiercz, Dariusz"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2645"]
[BlackElo "2648"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,110,9,12,6,14,28,31,22,34,20,14,18,34,30,27,27,36,31,29,37,35,14,10,4,19,27,20,18,16,6,24,0,0,0,60,60,76,73,78,77,77,77,65,77,76,75,76,76,76,76,83,83,83,83,83,83,83,83,83,83,83,76,83,76,76,76,77,76,83,83,83,68,68,57,73,57,72,50,57,27,51,33,33,33,33,33,91,91,91,91,108,13,13,8,8,8,8,8,8,8,8,0,0]} 1. Nf3 d5 2. b3 Bg4 3. Bb2 Nd7 4. g3 Ngf6 5. Bg2 e6 6. d3 {A06: Réti Opening:1 Nf3 d5} Bc5 (6... Bd6 7. h3 Bh5 8. g4 Bg6 9. Nh4 c6 10. e3 a5 11. a3 {½-½ (29) Nakamura,H (2777)-Caruana,F (2822) Saint Louis 2018}) 7. Nbd2 {[%cal Bb1d2,Bd2f3,Bf3d4,Bd4e2,Be2c3][%mdl 32]} Qe7 8. a3 {White is slightly better.} a5 $146 ({Predecessor:} 8... e5 9. e4 dxe4 10. dxe4 O-O 11. O-O a5 12. h3 {0-1 (36) Goletiani,R (2314)-Shabalov,A (2575) Los Angeles 2003}) 9. h3 (9. e4 {is more complex.} dxe4 10. dxe4 e5 11. O-O O-O 12. h3) 9... Bxf3 10. Nxf3 c6 11. c4 O-O 12. O-O Rfe8 13. e3 Bd6 14. Nd4 g6 15. Qc2 e5 16. Ne2 h5 17. cxd5 cxd5 18. Nc3 Rac8 {aiming for ...d4.} 19. Qe2 Qe6 20. Rac1 Nc5 21. Qd1 Bf8 (21... Be7 $11) 22. d4 $36 {[%mdl 2048] White fights for an advantage.} exd4 {[#]} 23. Nxd5 $1 {[%mdl 512]} Nxd5 24. Qxd4 {[%csl Gb2][%cal Rd4h8]} Nf6 25. Qxf6 Qxf6 26. Bxf6 Nxb3 27. Rxc8 Rxc8 28. Bxb7 Rb8 29. Bd5 Bxa3 30. Rb1 a4 31. Bc6 Rb6 32. Bxa4 Rxf6 33. Rxb3 $16 {[%mdl 4096] Endgame KRB-KRB} Be7 34. Rb7 Kf8 35. Bb3 Rd6 36. Kf1 Rd2 37. Rc7 Rd3 38. Ba4 Ra3 39. Rc4 Ra2 40. Bc2 Ra1+ 41. Ke2 Rc1 42. Kf3 Kg7 43. Kg2 Bf6 44. f4 Bd8 45. e4 h4 46. gxh4 Bxh4 47. e5 f5 {[#]} (47... Be1 $14) 48. Rc7+ $1 Kh6 {[#]} 49. Rc8 $1 g5 50. fxg5+ (50. Bxf5 $16 Rxc8 51. Bxc8 gxf4 52. Bf5) 50... Kxg5 $11 {The position is equal.} 51. Bxf5 (51. Rc5 {looks sharper.} Re1 52. e6 Kf6 53. Bxf5 Re5 54. e7) 51... Rxc8 52. Bxc8 $16 {KB-KB} Kf4 53. e6 Ke3 54. e7 Bxe7 55. h4 Bxh4 {Accuracy: White = 54%, Black = 60%.} 1/2-1/2

[Event "Fall Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.09.17"]
[Round "8.5"]
[White "Durarbayli, Vasif"]
[Black "Van Foreest, Jorden"]
[Result "1/2-1/2"]
[ECO "B97"]
[WhiteElo "2626"]
[BlackElo "2622"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,119,0,-14,0,10,10,-23,-12,-54,-47,-89,-102,-103,-111,-108,-85,-99,-74,-117,-122,-139,-110,-114,-106,-137,-125,-130,-125,-134,-127,-141,-129,-120,-66,-75,-77,-76,-76,-76,-76,-71,-73,-76,-72,-87,-74,-83,-75,-78,-69,-111,-111,-111,-111,-111,-111,-111,-111,-111,-111,-116,-81,-126,-102,-102,-78,-78,-70,-70,-70,-70,-70,-70,-63,-63,-63,-63,-63,-63,-63,-70,-70,-70,0,-70,0,-70,-70,-70,-70,-70,-70,-70,-52,-52,-52,-52,-49,-49,-25,-25,-8,-8,-8,-8,-8,-8]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. a3 Nbd7 {B97: Sicilian Najdorf: Poisoned Pawn} (8... Nc6 9. Nb3 Qe3+ 10. Qe2 Qxe2+ 11. Bxe2 Be7 12. O-O-O Nd7 13. Rd2 Nc5 14. Nxc5 Bxg5 15. fxg5 dxc5 16. Na4 Nd4 17. Bd1 {1-0 (30) Adhiban,B (2689)-Andriasian,Z (2604) chess.com INT 2019}) 9. Bh4 e5 10. Nf3 Be7 {Black has an edge.} 11. Be2 $146 (11. Bf2 {seems wilder.} Qc7 12. Qd2 O-O 13. Bd3 b5 14. O-O-O) ({Predecessor:} 11. Bf2 Qc7 12. Bd3 O-O 13. Qd2 b5 14. O-O-O Bb7 15. Rhe1 Rfe8 16. Kb1 Rad8 17. h3 Nc5 18. Bxc5 Qxc5 19. Nd5 h6 20. Nxe7+ Rxe7 21. g4 exf4 22. Qxf4 b4 23. axb4 {½-½ (23) Nogga,U (2444)-Matheis,T (2454) GER email 2016}) 11... O-O 12. Qd2 Qxb2 13. O-O {aiming for Rfb1.} Qb6+ $1 14. Kh1 Qd8 15. Rad1 b5 16. Qe1 {Threatening fxe5.} Qc7 ({Reject} 16... exf4 $6 17. e5 $1 $11 {[%mdl 512]}) 17. Bg5 h6 18. fxe5 dxe5 ({Don't play} 18... hxg5 $6 19. exf6 Bxf6 20. Nd5 $11) 19. Bc1 Nc5 20. Nh4 Ncxe4 21. Nxe4 Nxe4 22. Bf3 {[#]} f5 $1 {Threatens to win with ...Bxh4.} 23. Ng6 Rf6 (23... Bb7 $17 {...Rfe8 is the strong threat.} 24. Nxf8 Rxf8) 24. Bxe4 fxe4 25. Nxe7+ Qxe7 26. Rxf6 Qxf6 ({Much worse is} 26... gxf6 $6 27. Qxe4 Bb7 28. Qg6+ Qg7 29. Qxg7+ Kxg7 30. Rd7+ Kg6 31. Rxb7 $11) 27. Qxe4 Ra7 28. h3 Rc7 29. Qe2 Bb7 30. Rd3 Qg6 31. Kh2 Be4 32. Rg3 Rxc2 33. Qxc2 {Strongly threatening Qc8+.} Qxg3+ 34. Kxg3 Bxc2 $17 {[%mdl 4096] Endgame KB-KB} 35. Bb2 e4 36. Kf4 Kf7 37. Bc3 Bd3 38. g4 g5+ 39. Kg3 e3 40. Bd4 e2 41. Bc3 $1 Kg6 42. Kf2 Bc4 43. Kf3 h5 44. Kf2 Be6 45. Kf3 Bd7 46. Bd2 Bc6+ 47. Kf2 Bd5 48. Bc3 Be6 49. Kf3 $1 Bc4 (49... Kh6 {looks sharper.} 50. Bb4 Bd7 51. Bd2 Kg6 52. Bb4 Bc6+) 50. Kf2 $1 Bd3 51. Bd2 hxg4 52. hxg4 Kf6 53. Bc3+ Ke6 54. Bd2 Kd5 55. Bxg5 Kc4 56. Be7 a5 57. g5 b4 58. axb4 {The position is equal.} axb4 {[#]} 59. g6 $1 {[%mdl 512]} Bxg6 60. Bxb4 {Accuracy: White = 81%, Black = 69%.} 1/2-1/2

[Event "Fall Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.09.18"]
[Round "9.1"]
[White "Van Foreest, Jorden"]
[Black "Robson, Ray"]
[Result "0-1"]
[ECO "C11"]
[WhiteElo "2622"]
[BlackElo "2653"]
[PlyCount "0"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

 0-1

[Event "Fall Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.09.18"]
[Round "9.2"]
[White "Swiercz, Dariusz"]
[Black "Durarbayli, Vasif"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "2648"]
[BlackElo "2626"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,79,48,45,9,25,10,12,3,34,0,0,0,23,0,20,0,9,3,0,15,15,0,0,0,33,10,177,191,185,172,290,148,346,174,262,210,358,345,366,347,385,375,383,386,380,379,381,368,704,689,664,483,489,464,1006,980,1316,1293,836,830,828,758,1412,1314]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. a4 Rb8 8. c3 d6 9. d4 Bb6 10. a5 {C78: Ruy Lopez: Archangelsk and Möller Defences} Ba7 $1 11. h3 O-O 12. Be3 {The position is equal.} Ra8 13. Nbd2 h6 14. Qe2 $146 (14. Re1 Re8 15. Qb1 exd4 16. cxd4 Nb4 17. Ra3 c5 18. dxc5 dxc5 19. Bxf7+ Kxf7 {0-1 (33) Lagarde,M (2612)-Jones,G (2698) Reykjavik 2019}) 14... Bb7 15. Rfd1 Re8 (15... exd4 {is more complex.} 16. cxd4 Nb4 17. e5 Nfd5 18. Ne4 Qe7) 16. dxe5 Nxe5 17. Nxe5 Rxe5 18. Bxa7 Rxa7 19. f4 Re7 {[%cal Rb7e4]} 20. e5 $36 {[%mdl 2048] White fights for an advantage.} Ra8 21. Nf3 Nh5 $2 (21... Qe8 $11) 22. Nd4 $18 Nxf4 23. Qg4 g5 ({Avoid the trap} 23... Nxg2 $2 {[#]} 24. Nf5 $1 $18 {[%mdl 512]}) (23... Kh8 {was called for.}) 24. g3 (24. Nf5 $18) 24... Ng6 $2 (24... Nd5 $16) 25. e6 (25. Nf5 Nxe5 26. Qh5 Re6 $18) (25. Qh5 $142 {Qxg6+ is the strong threat.} Nxe5 26. Qxh6) 25... Ne5 (25... Qe8 $142) 26. Qh5 fxe6 (26... f6 {was worth a try.}) 27. Nxe6 Rxe6 28. Qxh6 $1 {[%mdl 64] Pin} ({And not} 28. Bxe6+ Kg7 $11) 28... Nf3+ 29. Kf2 {[%cal Rb3e6]} Nd4 {( -> ...Qf8+)} 30. Bxe6+ ({Weaker is} 30. Rxd4 Qf8+ 31. Qxf8+ Rxf8+ 32. Kg1 d5 $16) 30... Nxe6 31. Qxe6+ Kg7 {aiming for ...Qf8+.} 32. Kg1 {Hoping for Rf1.} Bc8 $2 (32... Qe8 33. Qxe8 Rxe8) 33. Qe4 {White is clearly winning.} Rb8 34. g4 {Strongly threatening Rf1.} Bb7 35. Qd4+ Kg8 (35... Qf6 $142 36. Re1 Qxd4+ 37. cxd4 Rc8) 36. Rf1 c5 37. Qd3 {White threatens Qg6+ and mate.} Qe8 38. Rf6 {Threatens to win with Rg6+.} Kg7 39. Raf1 Rd8 {[#]} 40. Rf7+ $1 {[%mdl 64] Decoy. Accuracy: White = 55%, Black = 26%.} 1-0

[Event "Fall Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.09.18"]
[Round "9.3"]
[White "Smirin, Ilia"]
[Black "Lenderman, Aleksandr"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "2599"]
[BlackElo "2645"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,114,0,0,7,19,-131,-131,-124,-128,-135,-131,-108,-108,-118,-118,-132,-139,-159,-145,-164,-165,-152,-158,-184,-161,-246,-235,-228,-237,-241,-225,-221,-220,-221,-210,-216,-210,-206,-204,-215,-216,-214,-199,-275,-249,-254,-272,-266,-254,-319,-320,-301,-215,-212,-215,-210,-216,-221,-191,-271,-264,-271,-271,-269,-261,-256,-250,-264,-262,-337,-322,-985,-958,-937,-930,-930,-930,-29966,-29969,-29973,-29974,-29976,-29977,-29977,-29978,-29978,-29976,-29980,-29981,-29980,-29981,-29981,-29981,-29981,-29982,-29986,-29987,-29988,-29989]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Bf4 O-O 8. Qd2 Nd7 {[%cal Bb8d7,Bd7c5,Bc5e4][%mdl 32]} 9. O-O-O Nc5 10. Kb1 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves} (10. Be3 Re8 11. Bc4 Be6 12. Bxe6 Nxe6 13. h4 Qd7 14. Qd3 Qc6 15. Qf5 Qc4 16. Ng5 Bxg5 17. hxg5 Nf8 {½-½ (27) Salgado Lopez,I (2651)-Ipatov,A (2657) Izmir 2016}) 10... Re8 11. Nd4 (11. Bc4 $11) 11... Ne4 $1 $17 {[%cal Re4d2]} 12. Qe3 {Black is clearly better.} Bh4 13. Bb5 $146 ({Predecessor:} 13. Bc4 Nxf2 14. Qf3 d5 15. g3 Nxd1 16. Rxd1 dxc4 17. Nb5 Bd7 18. Nxc7 {0-1 (59) Grekh,A (2368)-Bykovskiy,O (2312) Lvov 2016}) 13... Bd7 $1 (13... Bxf2 14. Qf3 $11) 14. Bxd7 Qxd7 15. Qf3 Bxf2 (15... Nxf2 16. g3 $11) 16. Rhf1 Bxd4 17. Rxd4 Qe6 18. Bc1 d5 19. Qh5 c6 20. Rd3 Rad8 21. c4 (21. Qf3 {might work better.}) 21... dxc4 $19 22. Rxd8 Rxd8 23. Qa5 Qd5 24. Qxa7 c3 {And now ...cxb2 would win.} 25. Re1 cxb2 26. Bxb2 Nd2+ $40 {[%mdl 192] Discovered Attack. Black goes for the king.} 27. Ka1 Nc4 {( -> ...Qd1+!)} (27... Qxg2 28. Qd4 $1 $16 {[%mdl 512]}) 28. Qd4 Qxd4 29. Bxd4 {[%mdl 4096] Endgame KRB-KRN} f6 30. Bc5 (30. Bc3 {was necessary.}) 30... b6 {[%cal Bb7b6,Bb6b5,Bb5b4][%mdl 32]} 31. Bb4 c5 32. Bc3 b5 33. Rb1 b4 34. Be1 Ne3 35. Kb2 Nxg2 36. Bf2 Rd5 37. Kb3 Nf4 38. c3 (38. Be1 $142) 38... Rd3 $1 {[%cal Rd3c3]} 39. Bxc5 Rxc3+ ({Not} 39... bxc3 40. a4 $17) 40. Kxb4 Nd5+ 41. Kb5 Rc2 $1 {[%csl LRa2,LRh2] ...Nc3+ is the strong threat.} 42. Kc6 Nf4 {Strongly threatening ...Ne6.} 43. a4 {[#]} Ne6 $1 ({Worse is} 43... Rxh2 44. a5 $11) 44. Rb5 $2 (44. Rb8+ Kf7 45. Rb7+ Kg6 46. Kd5) 44... Nd4+ $1 {[%mdl 64] Double Attack} ({Weaker is} 44... Nxc5 45. Rxc5 Rxh2 46. a5 $11) 45. Kd6 Nxb5+ 46. axb5 Rxh2 {KR-KB} 47. b6 Rb2 {Black mates.} 48. Kc6 Kf7 49. b7 {[#]} Rxb7 $1 {[%mdl 512]} 50. Kxb7 {KB-K3P} Ke6 51. Kc6 Ke5 52. Bd6+ Ke4 53. Kd7 f5 54. Ke6 f4 55. Kf7 h5 56. Kg6 h4 57. Kg5 f3 {Accuracy: White = 33%, Black = 90%.} 0-1

[Event "Fall Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.09.18"]
[Round "9.4"]
[White "Akobian, Varuzhan"]
[Black "Ipatov, Alexander"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2618"]
[BlackElo "2650"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,73,50,64,34,69,62,73,73,78,65,68,58,81,85,133,126,122,139,166,156,137,145,191,214,237,220,212,178,242,241,218,85,66,66,56,25,63,46,112,77,96,68,48,33,68,61,88,85,100,84,231,235,501,483,658,641,1199,1065,29938,6270,2893,2281,3187,2397,29994,29993]} 1. d4 Na6 2. e4 c6 3. Nf3 g6 4. c4 (4. Nc3 Nc7 5. Bf4 Bg7 6. Bc4 d6 7. O-O Nf6 8. a4 O-O 9. h3 Nxe4 10. Nxe4 d5 11. Bd3 Ne6 {½-½ (103) Ladva,O (2522)-Carlsen,M (2834) chess.com INT 2018}) 4... Bg7 5. Nc3 d6 6. h3 {B12: Caro-Kann: Advance Variation} e5 7. Be3 exd4 8. Nxd4 {White is better.} Nf6 9. Qd2 O-O 10. O-O-O Re8 $146 ({Predecessor:} 10... Nc5 11. f3 a5 {1-0 (20) Schroeder,C (2195)-Kotyk,M (2007) Hamburg 2018}) 11. f3 $1 d5 12. cxd5 cxd5 13. e5 Nd7 14. f4 $1 (14. Nxd5 Nxe5 15. Nc3 Bd7 $11) 14... Nb6 15. Ndb5 Re6 16. Kb1 (16. Nxd5 $6 Nxd5 17. Qxd5 Qxd5 $14) 16... Qf8 17. g4 (17. Nxd5 $6 Nxd5 18. Qxd5 Rc6) 17... Bd7 18. Nd6 (18. Nxd5 $2 Nxd5 19. Bf2 (19. Qxd5 $2 Bc6 $19 {[%mdl 64] Skewer}) 19... Bxb5 $19) 18... Bc6 (18... Rxd6 $142 19. exd6 Qxd6) 19. Bxb6 $18 axb6 20. Bxa6 (20. Nxd5 $18 {is the precise move to win. And now Bg2 would win.} Rd8 21. Bg2) 20... Rxd6 $16 21. Bd3 Rdd8 22. Rhe1 Qc5 23. a3 Re8 (23... Bf8 $14) 24. g5 Bf8 25. h4 b5 $1 {[%cal Rb5b4]} 26. Na2 {[%cal Bc3a2,Ba2b4,Bb4d5][%mdl 32]} Qb6 {White should prevent ...b4!} 27. Bc2 b4 28. Nxb4 Ra5 {Hoping for ...Rea8.} 29. Re3 Rea8 {[#]} (29... Bxb4 $16 30. axb4 Ra7) 30. Rb3 $1 $18 Qa7 $2 {[#]} (30... Rb5 {was necessary.} 31. Nxd5 Bxd5 32. Qxd5 Rxd5 33. Rxb6 Rxd1+ 34. Bxd1 Rb8) 31. h5 $1 {[%mdl 512]} Ba4 {[#]} (31... gxh5 32. Qd3) 32. hxg6 $1 {[%mdl 512]} fxg6 33. Nxd5 Bxb3 34. Bxb3 (34. Nf6+ $142 Kh8 35. Bxb3 b5 36. Qg2 Bxa3 {[#]} 37. Rd7 $1 {[%mdl 512]} (37. bxa3 Rxa3 38. Qd5 Ra1+ 39. Kb2 Rxd1 $11) 37... Qxd7 38. Nxd7 Bf8 39. e6 Ra1+ 40. Kc2 Rc8+ 41. Kd3) 34... Kh8 {[#]} 35. Nf6 {Played: Rd1-h1} 1-0

[Event "Fall Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.09.18"]
[Round "9.5"]
[White "Melkumyan, Hrant"]
[Black "Bortnyk, Olexandr"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2653"]
[BlackElo "2602"]
[Annotator "TA"]
[PlyCount "179"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,179,65,55,75,79,96,89,100,97,128,97,114,99,124,121,108,96,105,97,98,104,132,86,113,86,112,86,86,74,86,86,86,50,50,50,58,50,84,84,84,84,84,84,84,84,84,84,84,84,124,124,124,124,124,124,124,124,124,97,97,97,97,97,142,166,102,92,102,120,154,124,150,139,104,85,75,8,8,8,8,0,0,0,0,0,0,0,0,0,0,0,0,-8,-8,-8,69,-77,0,0,0,0,0,0,41,0,0,0,0,0,0,0,0,0,0,0,0,0,133,0,409,410,1246,1167,1107,1022,1458,1250,1395,1319,1312,1316,981,47,47,47,47,12,12,20,653,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Na6 2. e4 c6 3. Nf3 g6 4. c4 Bg7 5. Nc3 d6 6. Be2 Bg4 {A42: Modern Defence: Averbakh Variation} (6... Nf6 7. Rb1 O-O 8. O-O e5 9. d5 Nc5 10. Nd2 a5 11. b3 Rb8 12. Ba3 Na6 13. Re1 Nb4 14. Nf1 Bd7 15. Ne3 b5 16. Bb2 bxc4 17. Bxc4 cxd5 18. Nexd5 Nfxd5 19. Bxd5 {1-0 (87) Oatlhotse,P (2252)-Bellahcene,B (2550) Casablanca 2019}) 7. Be3 Bxf3 $146 ({Predecessor:} 7... Nf6 8. O-O O-O 9. a3 Nc7 10. d5 Nd7 11. Rc1 c5 12. b4 b6 13. h3 Bxf3 14. Bxf3 cxb4 15. axb4 {½-½ (39) Roeder,M (2415)-Weemaes,R (2312) Belgium 2005}) 8. Bxf3 e5 {White is better.} 9. d5 c5 10. Qb3 Rb8 11. Nb5 Ra8 12. g4 Nc7 13. h4 Nxb5 14. Qxb5+ Qd7 15. a4 a5 16. g5 h5 17. Bg2 f5 18. Bd2 Ne7 19. Ke2 (19. Bxa5 Qxb5 20. axb5 b6 $15) 19... Qxb5 20. axb5 b6 21. b4 cxb4 {[#]} 22. Bxb4 $1 {[%mdl 576] Pin} Kd7 (22... axb4 23. Rxa8+) 23. Bd2 Rhf8 24. Be3 Rab8 25. f3 Kc7 26. Rhd1 Rbd8 27. Bh3 Rf7 28. Ra2 Bf8 29. Rad2 f4 30. Bf2 Nc8 31. Ra2 Kb7 32. Rda1 Rc7 33. Kd3 Be7 34. Be1 Kb8 35. Be6 Bf8 36. Bc3 Re8 37. Bxa5 bxa5 38. Rxa5 Nb6 39. Ra6 Rb7 40. Bf7 Rxf7 41. Rxb6+ Rb7 42. Rba6 Kc7 43. c5 ({White should play} 43. R1a5 $16) 43... dxc5 $11 44. Kc4 Reb8 $1 45. Rf6 Be7 $1 {[%cal Re7f6] [#]} 46. d6+ $1 {[%mdl 512]} Bxd6 47. Rd1 Rb6 48. Rxg6 Bf8 49. Rxb6 Rxb6 {[%mdl 4096] Endgame KRB-KR} 50. Ra1 Kb7 51. Kd5 Rxb5 52. Ke6 $1 {[%cal Re6f7] aiming for Kf7.} Kb8 (52... Rb3 $11) 53. Rc1 (53. Kf7 $14 {stays ahead.} Bd6 54. Rd1 Rb7+ 55. Ke6) 53... Bg7 (53... Kc7 $17) 54. Kf5 Kc7 55. Kg6 Bf8 56. Kxh5 Rb3 57. Kg4 {[%mdl 1024] White has compensation.} (57. Kg6 $5 {[%cal Rg6f7]} Rxf3 58. Kf7 $16) 57... Rb2 58. h5 Kd7 {And now ...Ke6 would win.} 59. Kf5 Rg2 60. Rd1+ Ke8 61. g6 Bh6 62. Ra1 c4 63. Ke6 {[%cal Ra1a8]} Kd8 (63... Kf8 $11) 64. Rd1+ (64. Ra8+ $1 $16 Kc7 65. Ra4) 64... Kc7 $2 {[%mdl 8192]} (64... Ke8 $11) 65. Rc1 $18 Rg5 (65... Kd8 $142 66. Rxc4 (66. Kxe5 c3 $15) 66... Ra2) 66. Rxc4+ Kb7 67. Rc5 Rxh5 68. Rxe5 Rh1 69. Kf7 Kc6 70. Re8 ({Inferior is} 70. g7 Bxg7 71. Kxg7 Rh3 $11) ({Weaker is} 70. Re6+ Kc5 $18) 70... Ra1 {[#]} 71. Rh8 $2 (71. e5 $1 $18 Ra7+ 72. Re7) 71... Ra7+ $14 72. Ke6 Bg7 73. Rc8+ (73. Rh7 $5 {[%cal Rh7g7]}) 73... Kb6 74. Re8 Ra3 $2 {[%mdl 8192] [#]} (74... Ra5 $11) 75. Re7 $2 ({Only move:} 75. Kf7 $1 $18 {[%cal Rf7g7]} Bh6 76. e5 Ra7+ 77. Re7) 75... Ba1 $11 {The position is equal.} 76. g7 (76. Rf7 {with more complications.} Rxf3 77. Rf5 Rg3 78. Kf7 Re3 79. Rxf4 Kc5 80. Rf5+) 76... Bxg7 $1 77. Rxg7 Rxf3 {KR-KR} 78. e5 Re3 79. Rf7 $1 {[%cal Rf7f4]} f3 $1 80. Kd5 {Strongly threatening e6.} Rd3+ $1 81. Ke4 Ra3 82. Kd5 {Black must now prevent e6.} (82. e6 {seems wilder.} Kc6 83. Kd4 Kd6 84. e7 Ra4+ 85. Ke3) 82... Rd3+ 83. Ke6 (83. Kc4 {is more complex.} Ra3 84. Kd4 Kc6 85. Rf6+ Kd7 86. Kd5) 83... Kc6 84. Rf4 Re3 85. Rc4+ Kb5 86. Rc2 Re2 87. Rc3 f2 88. Rf3 Kc5 89. Rf4 Kc6 90. Rf3 {Accuracy: White = 57%, Black = 60%.} 1/2-1/2

