[Event "DSB-Kader-Challenge 2021"]
[Site "Magdeburg"]
[Date "2021.04.05"]
[Round "1.1"]
[White "Svane, Rasmus"]
[Black "Fridman, Daniel"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2613"]
[BlackElo "2601"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2021.04.05"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,80,43,37,30,22,8,19,12,19,16,13,0,18,4,18,8,25,24,30,31,37,36,38,27,37,36,55,44,47,40,41,50,50,46,46,44,53,57,57,43,50,3,12,-7,15,22,16,8,11,8,28,0,69,0,0,0,0,0,0,0,0,-44,-44,-44,-31]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Qc7 6. h3 Nf6 7. Nf3 g6 8. O-O Bg7 9. Re1 O-O 10. Be3 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} Bf5 11. Be2 Ne4 12. Nbd2 {The position is equal.} Rad8 {[#]} 13. Rc1 $146 ({Predecessor:} 13. Nh4 Bc8 14. Bd3 f5 15. Nb3 Kh8 16. Nf3 h6 17. Bb5 Kh7 18. Bxc6 bxc6 19. Nc1 {1-0 (55) Czarnota,P (2502)-Hammer,J (2628) chess.com INT 2020}) 13... Rfe8 14. Nb3 Qb8 15. Bd3 f6 16. Nh4 Be6 17. Qc2 Nd6 18. f4 f5 19. Nf3 Ne4 20. Ne5 Bf6 21. Qe2 Qc8 22. Nxc6 bxc6 23. Nc5 Bf7 24. b4 Qc7 25. Bxe4 dxe4 26. a4 Kh8 27. b5 Rg8 28. Rf1 Rg7 29. bxc6 Qxc6 30. Qb5 Qxb5 31. axb5 {Black must now prevent Ra1.} Bc4 32. Rf2 g5 33. Ra1 g4 {[#] And now ...gxh3 would win.} 34. h4 {Threatens to win with Rb2.} Rb8 ({Of course not} 34... Bxh4 $6 35. Rb2 $16) (34... Bxb5 $11 35. Ne6 Rc8 36. Nxg7 Kxg7) 35. Rb2 (35. Ra4 $1 $14 g3 36. Rc2) 35... Rxb5 $11 ({Don't play} 35... Bxh4 $6 36. Rb4 $16) 36. Rxb5 Bxb5 37. g3 Rg8 38. Rxa7 Rb8 39. Rb7 Rxb7 40. Nxb7 e6 {Weighted Error Value: White=0.10/Black=0.07} 1/2-1/2

[Event "DSB-Kader-Challenge 2021"]
[Site "Magdeburg"]
[Date "2021.04.05"]
[Round "1.2"]
[White "Kollars, Dmitrij"]
[Black "Heimann, Andreas"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2598"]
[BlackElo "2606"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2021.04.05"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,80,0,0,-18,-9,-22,-20,-18,-24,-24,-10,-16,0,0,0,-34,-14,-14,0,0,-10,-30,0,-12,-7,-8,0,0,-9,-6,0,0,12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,8,8,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 {8.h4 gains popularity.} Ba6 9. b3 g6 10. Ba3 {C45: Scotch Game.} Nb4 11. Bb2 $1 Bg7 $1 12. a3 {[#]} Nd5 13. Nd2 {[#]} O-O $1 14. O-O-O Rfe8 15. Qf3 Nb6 {[#]} 16. Kb1 $146 ({Predecessor:} 16. Ne4 Bxe5 17. Bxe5 Qxe5 18. Nf6+ Kf8 19. Nxe8 Qa1+ 20. Kc2 Qa2+ 21. Kc1 Qa1+ 22. Kc2 Qa2+ 23. Kc1 Qa1+ 24. Kc2 Qa2+ {½-½ (24) Xiong,J (2712)-Sevian,S (2657) Saint Louis 2019}) 16... d5 17. exd6 $1 cxd6 18. Bxg7 ({Don't go for} 18. Qxc6 $2 Bxb2 19. Kxb2 Bb7 $19) 18... Kxg7 19. Qc3+ ({Reject} 19. Qxc6 Bb7 $15) 19... Kg8 20. h4 $1 {The position is equal.} d5 21. h5 $1 dxc4 {Hoping for ...Nd5.} 22. hxg6 fxg6 23. Bxc4+ Bxc4 24. Nxc4 Rad8 (24... Qe4+ {is more complex.} 25. Ka1 Nxc4 26. Rd4 Qe2 27. Rxc4 Rad8) 25. Rxd8 (25. Nxb6 {seems wilder.} Qe4+ 26. Qc2 Rxd1+ 27. Rxd1 axb6 28. Qxe4 Rxe4 29. Rd6) 25... Rxd8 26. Re1 (26. Qc2 {is interesting.} Rd5 27. b4 c5 28. Ne3 Re5 29. Qb3+) 26... Qf7 27. Nxb6 axb6 $11 {[%mdl 4096] Endgame KQR-KQR} 28. f3 c5 29. Kb2 Qd5 30. Re2 Kf7 31. Qe3 Qd4+ 32. Qxd4 Rxd4 {KR-KR} 33. Kc3 g5 34. b4 g4 35. fxg4 Rxg4 36. bxc5 bxc5 37. Kb3 Rg3+ 38. Kb2 Rg4 39. Kb3 Rg3+ 40. Kb2 Rg4 {An uneventful encounter.  Weighted Error Value: White=0.02/Black=0.05} 1/2-1/2

[Event "DSB-Kader-Challenge 2021"]
[Site "Magdeburg"]
[Date "2021.04.05"]
[Round "1.3"]
[White "Svane, Frederik"]
[Black "Bluebaum, Matthias"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "2421"]
[BlackElo "2670"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2021.04.05"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,97,7,8,24,10,30,30,26,18,31,28,59,50,48,58,56,44,77,72,77,64,95,83,112,108,110,100,135,93,93,77,77,77,103,84,137,122,145,147,193,193,191,187,183,191,395,383,413,385,396,395,463,451,446,441,474,468,509,509,507,493,493,493,493,493,544,539,547,539,523,0,539,539,539,539,699,535,535,531,491,316,531,530,615,613]} 1. Nf3 Nf6 2. g3 c5 3. Bg2 Nc6 4. c4 d5 5. cxd5 Nxd5 6. Nc3 Nc7 7. d3 e5 8. Nd2 {Nowadays more popular than 8.0-0.} Be7 {A34: Symmetrical English: 2 Nc3, lines with ...d5.} 9. Nc4 f6 10. Bxc6+ bxc6 {White has an edge.} 11. Be3 O-O 12. Qa4 Bd7 13. Qa5 Nd5 14. Qxd8 Rfxd8 {[#]} 15. Bd2 $146 ({Predecessor:} 15. Na4 Nxe3 16. fxe3 e4 17. dxe4 Be8 18. Rf1 Rab8 19. b3 h5 20. Rc1 h4 21. g4 {½-½ (46) Fridman,D (2569)-Kallio,H (2474) Southampton 2003}) 15... Nb6 16. b3 Be6 17. f3 Rac8 18. g4 g6 19. h4 h5 20. g5 Nxc4 21. bxc4 f5 22. Be3 Rb8 23. O-O-O Rb4 24. Kc2 f4 (24... Rb6 $142) 25. Bf2 Bf5 26. a3 Rxc4 {[#]} 27. Rb1 $1 Rd7 28. Rb8+ Kf7 29. Rhb1 Rcd4 $2 (29... Bd8 {was necessary.}) 30. Bxd4 $18 cxd4 31. Na4 Bxa3 32. R1b7 a5 33. Nb6 Rxb7 34. Rxb7+ {[%mdl 4096] Endgame KRN-KB} Ke6 35. Nc4 Bb4 36. Kd1 Kd5 37. Rb8 Be6 38. Ra8 Kc5 39. Nxa5 Bf7 40. Nc4 Kd5 41. Rb8 Bc5 42. Ra8 Bb4 43. Rc8 Bc5 44. Na5 Bb6 45. Nxc6 {[#] And now Nb4+ would win.} Kd6 46. Nb4 {Black must now prevent Rc6+.} Bb3+ 47. Nc2 Bc5 $2 (47... Ba5 48. Ra8 Bb6) 48. Rb8 Ba4 49. Rg8 {Weighted Error Value: White=0.15/Black=0.31} 1-0

[Event "DSB-Kader-Challenge 2021"]
[Site "Magdeburg"]
[Date "2021.04.05"]
[Round "1.4"]
[White "Huschenbeth, Niclas"]
[Black "Donchenko, Alexander"]
[Result "1/2-1/2"]
[ECO "C55"]
[WhiteElo "2604"]
[BlackElo "2659"]
[Annotator "TA"]
[PlyCount "188"]
[EventDate "2021.04.05"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,188,43,26,40,35,32,32,39,22,100,98,87,83,81,76,87,33,47,47,51,39,45,35,23,-29,8,0,60,10,17,23,64,66,72,77,97,66,62,21,17,0,7,7,42,0,0,0,0,0,0,0,0,-27,9,22,15,-29,-29,-29,-29,-125,-109,-127,-22,-33,0,0,0,0,0,-99,-99,-96,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-10,-10,-10,-13,-10,-10,-26,-26,-247,-247,-247,-247,-243,-66,-70,-70,-70,-70,-616,-616,-485,-58,-58,-58,-58,-58,-76,-76,-76,-58,-58,-58,-58,-58,-58,-65,-61,-8,-11,-8,-39,-39,-39,-39,-39,4,-8,-8,-8,-8,-60,-39,-62,-63,-76,-76,-76,-76,-76,-76,-76,-76,-76,-76,-79,-76,-79,-79,-79,-76,-79,-56,-56,-55,-56,-56,-56,-53,-64,-56,-56,-39,-39,-8,-8,-8,-38,-38,-38,-38,-38,-38,-39,-38]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. O-O d6 6. c3 g5 $1 {[%mdl 4] is currently scoring better than 6...g6. C55: Two Knights: 4 d3, 4 d4 exd4 5 e5 and Max Lange Attack.} 7. Nbd2 Bg7 8. Bb3 Qe7 {[#] White is slightly better.} 9. d4 $146 ({Predecessor:} 9. Nc4 Be6 10. Ne3 O-O-O 11. Ba4 Nb8 12. c4 Nbd7 13. Bd2 Nh5 14. Nd5 Bxd5 15. cxd5 {1-0 (33) Vasiukov,E (2530)-Bebchuk,E (2335) Arco 2001}) 9... Bg4 (9... exd4 $11 10. Nxd4 O-O) 10. d5 $16 Nb8 11. Bc2 Bh5 12. Nc4 Bg6 13. Ne3 (13. Re1 $16) 13... Nbd7 $14 14. Nd2 h5 15. b4 g4 16. Re1 Bh6 17. Bb2 (17. a4 $142) 17... Kf8 18. c4 b6 (18... a5 $11) 19. f3 gxf3 20. Qxf3 Ng4 21. Nef1 ({And not} 21. Nxg4 Bxd2 22. Nf2 Bxe1 $17) 21... Bf4 {White should prevent ...Nxh2!} 22. g3 Bg5 23. h3 (23. Qe2 {with more complications.} a5 24. a3 Bh6 25. Nf3 Ra7 26. Bc1) 23... Ngf6 24. h4 Bh6 25. Ne3 Ng4 26. Ndf1 ({Of course not} 26. Nxg4 Bxd2 27. Nf2 Bxe1 $17) 26... Ndf6 27. Nf5 Bxf5 28. Qxf5 Qd7 29. Qf3 a5 30. a3 Rg8 31. Bc3 Kg7 32. bxa5 bxa5 33. Rab1 c6 34. Kg2 Qc7 35. Ba4 (35. Re2 $11) 35... cxd5 $17 36. cxd5 {[#]} Rab8 (36... Qc5 $1 $17 37. Re2 Rab8) 37. Bc6 $11 Qa7 38. a4 $1 Rxb1 39. Rxb1 Rb8 40. Rb5 (40. Bb5 $1 $11 {keeps the balance.}) 40... Rxb5 $17 41. Bxb5 Nf2 42. Bxe5 $11 dxe5 43. Qxf2 Qxf2+ 44. Kxf2 Nxe4+ {[%mdl 4096] Endgame KBN-KBN} 45. Kf3 f5 46. Be8 Kf6 47. Bxh5 Nc3 48. Be8 e4+ 49. Kf2 Nxd5 50. Bc6 Nb4 51. Bd7 Nc2 52. g4 $2 (52. Ke2 $1 $11 {and White has nothing to worry.}) 52... e3+ $19 53. Ke2 Nd4+ 54. Ke1 {And now g5+ would win.} fxg4 (54... Bf4 $19 {aiming for ...e2.} 55. Bxf5 e2) 55. Bxg4 Bf4 56. Bd1 Kf5 57. Bh5 $2 {[%mdl 8192]} (57. h5 $15) 57... Ke4 58. Bg6+ {[#]} Kf3 $2 ({Better is} 58... Kd5 $1 $19 {...e2 is the strong threat.} 59. Bd3 Kc5) 59. Bh5+ $15 Kg2 {Hoping for ...Kh3.} 60. Bg4 Bh6 61. Bh5 Kh3 62. Bd1 Bf4 63. h5 Bg5 64. Be2 Kg2 65. Bd3 Bf4 66. Be4+ Kg1 (66... Kh3 $15 67. Bd3 Kh4) 67. Bd3 $11 Bg5 68. h6 Bxh6 {Strongly threatening ...Bg5.} 69. Ng3 $1 Kg2 70. Nf5 Nf3+ 71. Ke2 Ng1+ 72. Ke1 {Threatens to win with Be4+.} Bg5 73. Nd4 (73. Be4+ $11 Kh3 74. Nd4) 73... Bh4+ $15 74. Kd1 Bf6 75. Ne2 Nh3 76. Bb5 Kf2 77. Bc4 Ng5 78. Bd5 Be5 79. Bc6 Ne6 80. Bb5 Bf6 81. Bc4 Nc5 82. Bb5 Bb2 83. Nf4 Kf3 84. Ne2 $1 Ke4 85. Bc6+ Ke5 86. Kc2 Ba1 87. Bb5 Kd6 88. Nc1 Be5 89. Nb3 Nb7 90. Kd3 Bf4 91. Ba6 Nc5+ {Black is slightly better.} 92. Nxc5 Kxc5 93. Bb5 Kb4 94. Ke2 Bg5 {Weighted Error Value: White=0.35/Black=0.31} 1/2-1/2

[Event "DSB-Kader-Challenge 2021"]
[Site "Magdeburg"]
[Date "2021.04.05"]
[Round "1.5"]
[White "Engel, Luis"]
[Black "Wagner, Dennis"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "2553"]
[BlackElo "2581"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2021.04.05"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,109,-21,-11,0,-7,-16,-13,-18,-30,-21,-22,18,13,31,37,28,35,39,42,42,38,50,31,46,26,19,22,36,0,0,0,0,0,9,16,17,2,2,2,3,4,10,7,6,6,6,8,28,2,20,0,27,22,21,18,25,21,35,32,32,32,33,8,19,6,36,26,44,55,102,84,95,80,79,76,65,66,74,51,39,11,67,16,17,0,0,0,0,-4,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Be2 d5 5. exd5 Nxd5 6. O-O Nxc3 7. bxc3 e4 {C47: Scotch Four Knights and Four Knights with 4 g3.} 8. Ne1 (8. Nd4 $5) 8... f5 9. f3 Bc5+ 10. Kh1 O-O 11. d4 exd3 12. cxd3 f4 13. d4 Bd6 14. Nd3 {[#]} Kh8 $146 ({Predecessor:} 14... Qh4 15. Qe1 Qh5 16. Nf2 Bf5 17. Bd3 Rae8 18. Qd1 Ne7 19. Ne4 Kh8 20. c4 Bxe4 21. fxe4 Qxd1 22. Rxd1 {½-½ (64) Shaw,J (2439)-Collins,S (2456) England 2015}) 15. Nf2 Ne7 16. Ne4 Nf5 17. Re1 Qh4 18. Nxd6 cxd6 19. Bd3 Bd7 20. Bd2 Rf6 21. Bxf5 Bxf5 22. Qa4 Raf8 23. d5 Qf2 {[#] ( -> ...Bh3)} 24. Qd4 Qxd4 25. cxd4 g5 26. Rac1 Kg7 27. Bb4 R8f7 28. Re8 Rd7 29. Rcc8 Rff7 30. h4 gxh4 31. Rg8+ Kf6 32. Be1 {[%cal Re1h4] [#]} Rg7 $1 33. Bxh4+ Kg6 $1 34. Rgf8 Rdf7 35. Rxf7 Rxf7 $14 {[%mdl 4096] Endgame KRB-KRB} 36. Rg8+ Rg7 37. Ra8 a6 38. a3 Bd3 39. Rf8 Kh5 40. Rxf4 Bf1 41. g3 Bc4 42. Kg2 {Strongly threatening Rf6.} Kh6 43. Rf5 Rd7 44. g4 Kg6 45. f4 a5 46. Rh5 Kg7 (46... b5 $11) 47. f5 (47. Be1 $14) 47... b5 $11 {The position is equal.} 48. Bg5 b4 49. axb4 axb4 50. Bh6+ Kf6 51. Kg3 b3 {And now ...b2 would win.} 52. Bc1 Kg7 53. Bh6+ Kf7 {Hoping for ...b2.} 54. Bc1 Kg7 55. Bh6+ {Weighted Error Value: White=0.09/Black=0.08} 1/2-1/2

[Event "DSB-Kader-Challenge 2021"]
[Site "Magdeburg"]
[Date "2021.04.06"]
[Round "2.1"]
[White "Fridman, Daniel"]
[Black "Wagner, Dennis"]
[Result "1/2-1/2"]
[ECO "D33"]
[WhiteElo "2601"]
[BlackElo "2581"]
[Annotator "ChessBase"]
[PlyCount "80"]
[EventDate "2021.04.05"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. Nf3 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:28]} Nf6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:08]} e6 {[%emt 0:00:07]} 4. g3 {[%emt 0:00:46]} d5 {[%emt 0:00:09]} 5. cxd5 {[%emt 0:00:06]} exd5 {[%emt 0:00:06]} 6. d4 {[%emt 0:00:05]} Nc6 {[%emt 0:00:09]} 7. Bg2 {[%emt 0:00:06]} cxd4 {[%emt 0:00:10]} 8. Nxd4 {[%emt 0:00:07]} Bc5 {[%emt 0:00:07]} 9. Nxc6 {[%emt 0:00:59]} bxc6 {[%emt 0:00:07]} 10. O-O {[%emt 0:00:07]} O-O {[%emt 0:00:12]} 11. Na4 {[%emt 0:00:04]} Bb6 {[%emt 0:00:10]} 12. Qc2 {[%emt 0:00:05]} Bd7 {[%emt 0:00:07]} 13. Nxb6 {[%emt 0:00:54]} axb6 {[%emt 0:00:06]} 14. a4 {[%emt 0:00:19]} Re8 {[%emt 0:00:07]} 15. b4 {[%emt 0:00:15]} Ne4 {[%emt 0:00:28]} 16. Be3 {[%emt 0:02:46]} h5 {[%emt 0:00:29]} 17. Rfd1 {[%emt 0:05:11]} h4 {[%emt 0:00:17]} 18. Ra3 {[%emt 0:13:56]} Qe7 {[%emt 0:17:39]} 19. Bxe4 {[%emt 0:10:56]} Qxe4 {[%emt 0:00:27]} 20. Qxe4 {[%emt 0:00:32]} Rxe4 {[%emt 0:00:06]} 21. Rd4 {[%emt 0:00:12]} Rxd4 {[%emt 0:06:13]} 22. Bxd4 {[%emt 0:03:31]} c5 {[%emt 0:00:04]} 23. bxc5 {[%emt 0:00:08]} bxc5 {[%emt 0:00:05]} 24. Bxc5 {[%emt 0:00:07]} Rxa4 {[%emt 0:00:14]} 25. Rxa4 {[%emt 0:00:06]} Bxa4 {[%emt 0:00:04]} 26. gxh4 {[%emt 0:00:10]} Bb5 {[%emt 0:00:25]} 27. e3 {[%emt 0:00:07]} g6 {[%emt 0:01:20]} 28. Kg2 {[%emt 0:00:08]} f6 {[%emt 0:01:26]} 29. Kg3 {[%emt 0:00:09]} Kf7 {[%emt 0:00:09]} 30. Bd4 {[%emt 0:00:07]} Be2 {[%emt 0:00:55]} 31. Kf4 {[%emt 0:00:09]} Bd1 {[%emt 0:01:11]} 32. f3 {[%emt 0:00:07]} Ba4 {[%emt 0:00:21]} 33. h3 {[%emt 0:00:08]} Bd7 {[%emt 0:00:12]} 34. h5 {[%emt 0:00:05]} gxh5 {[%emt 0:00:17]} 35. h4 {[%emt 0:00:05]} Kg6 {[%emt 0:00:10]} 36. e4 {[%emt 0:00:04]} dxe4 {[%emt 0:00:07]} 37. fxe4 {[%emt 0:00:03]} Bc6 {[%emt 0:00:09]} 38. Bc3 {[%emt 0:00:07]} Bb7 {[%emt 0:00:07]} 39. e5 {[%emt 0:00:06]} fxe5+ {[%emt 0:00:04]} 40. Bxe5 {[%emt 0:00:04]} Bc8 {[%emt 0:00:08]} 1/2-1/2

[Event "DSB-Kader-Challenge 2021"]
[Site "Magdeburg"]
[Date "2021.04.06"]
[Round "2.2"]
[White "Donchenko, Alexander"]
[Black "Engel, Luis"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2659"]
[BlackElo "2553"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2021.04.05"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,99,11,37,0,14,-3,8,10,89,86,80,83,83,90,85,74,84,72,96,52,47,27,46,30,25,15,22,31,23,18,56,64,63,43,44,49,90,89,82,0,0,0,0,-48,0,0,0,0,0,0,0,0,0,0,0,-4,-6,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 a6 6. Ne5 c5 7. dxc5 {[#] Hoping for Qxd8+. E04: Open Catalan: 5 Nf3.} Qxd1+ 8. Kxd1 Bxc5 9. Nd2 {[%cal Bb1d2,Bd2c4,Bc4e5][%mdl 32] [#]} Ke7 $146 ({Much worse is} 9... Bxf2 $6 10. Ndxc4 Bd4 11. Nd6+ Ke7 12. Nexf7 $16 (12. Ndxf7 Rf8 $15)) (9... O-O $11) ({Predecessor:} 9... Ra7 10. Ndxc4 b5 11. Na5 O-O 12. Bd2 Bd6 13. Nd3 e5 14. e4 Rd8 15. Ke2 Be6 {1-0 (49) Santos Latasa,J (2608)-Gorodetzky,D (2495) Tornelo INT 2021}) 10. Ndxc4 $16 Rd8+ 11. Bd2 Bb4 {[#]} 12. Nd3 $1 Bxd2 13. Kxd2 Ra7 14. Rhc1 Bd7 15. Nce5 Ne8 16. Ke1 f6 17. Nc4 Bc6 18. Bh3 Nd6 19. Na5 Be4 20. Nf4 b6 21. Nxe6 bxa5 22. Nxd8 Kxd8 23. Rc5 Rb7 24. Rd1 Ke7 25. Rdc1 (25. b3 $16) 25... Rxb2 $11 26. Rc7+ Kf8 27. Be6 Bf5 28. Rd1 {The position is equal.} Bxe6 29. Rxd6 {[%cal Rd6d8]} Bd7 30. Rdxd7 Nxd7 31. Rxd7 Rxa2 {[%mdl 4096] Endgame KR-KR} 32. Ra7 a4 33. h4 a3 34. Rxa6 h5 35. Ra7 Kg8 36. f3 Kh7 37. Kf2 Kg6 38. Ke3 Kh6 39. Ra6 Kg6 40. Kd3 Kh6 41. e4 Rg2 42. e5 ({Don't play} 42. Rxa3 Rxg3 43. Ke2 Rh3 $17) 42... Kg6 43. Ke3 a2 44. exf6 gxf6 45. Kf4 Rb2 46. g4 Rb4+ 47. Kg3 hxg4 48. fxg4 {Black should prevent h5+.} Rb3+ 49. Kf4 {next h5+ is good for White.} Rb4+ 50. Kg3 {Weighted Error Value: White=0.06/Black=0.11} 1/2-1/2

[Event "DSB-Kader-Challenge 2021"]
[Site "Magdeburg"]
[Date "2021.04.06"]
[Round "2.3"]
[White "Bluebaum, Matthias"]
[Black "Huschenbeth, Niclas"]
[Result "1-0"]
[ECO "E51"]
[WhiteElo "2670"]
[BlackElo "2604"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2021.04.05"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,75,0,6,2,1,0,0,0,10,14,0,1,14,13,16,0,7,8,67,62,64,25,118,74,130,131,131,135,120,113,125,89,144,143,127,132,137,142,131,140,239,244,267,239,334,191,239,241,281,265,302,218,559,561,1289,1264,29994,29995,29995,29996,29996,29997,29997,29998]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. e3 O-O 6. Bd2 b6 7. cxd5 exd5 8. Bd3 {E51: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5.} Bd6 9. O-O Re8 10. Nb5 {The position is equal.} Bf8 11. Ne5 c5 {[#]} 12. f4 $146 ({Predecessor:} 12. a4 Bb7 13. Rc1 Nc6 14. Nxc6 Bxc6 15. dxc5 bxc5 16. b4 c4 17. Nd4 Bd7 18. Bc2 {½-½ (29) Ikonnikov,V (2553)-Van der Stricht,G (2347) Antwerp 1999}) 12... a6 13. Nc3 b5 14. Qf3 c4 15. Bc2 Bb7 ({Black should play} 15... b4 $11 16. Ne2 Nbd7) 16. a3 $36 {[%mdl 2048] White fights for an advantage.} Nbd7 17. g4 g6 {White leaves nothing to chance now.} (17... Ne4 $11 {remains equal.} 18. Nxe4 dxe4 19. Bxe4 Bxe4 20. Qxe4 Nc5) 18. Be1 Ne4 (18... Qc8 $142) 19. Nxe4 $16 dxe4 20. Bxe4 Bxe4 21. Qxe4 Nf6 22. Qc6 Qd6 (22... Rc8 $142 23. Qf3 (23. Qxa6 Nd5 $11) 23... Qd5) 23. Qxd6 Bxd6 24. g5 Ne4 25. h4 h6 26. gxh6 Ra7 {[#]} (26... f6 $16) 27. Kg2 $1 $18 Rc7 28. Ba5 Rcc8 29. Rfc1 (29. Kf3 $142 Bc7 30. Kxe4 (30. h7+ Kxh7 31. Bb4 f5 $16) 30... Bxa5 31. h5) 29... f6 30. Nxg6 Kh7 31. h5 Kxh6 32. Nh4 Kxh5 $2 {[#]} (32... Bc7 {is more resistant.}) 33. Kf3 $1 Rg8 (33... Bc7 34. Bc3) 34. Kxe4 Kxh4 35. Rh1+ {White mates.} Kg3 36. Rag1+ Kf2 37. Be1+ Ke2 38. Rh2+ {Weighted Error Value: White=0.14/Black=0.65} 1-0

[Event "DSB-Kader-Challenge 2021"]
[Site "Magdeburg"]
[Date "2021.04.06"]
[Round "2.4"]
[White "Svane, Rasmus"]
[Black "Kollars, Dmitrij"]
[Result "1/2-1/2"]
[ECO "C84"]
[WhiteElo "2613"]
[BlackElo "2598"]
[Annotator "ChessBase"]
[PlyCount "153"]
[EventDate "2021.04.05"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:01:28]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:06]} 3. Bb5 {[%emt 0:00:00]} a6 {[%emt 0:00:15]} 4. Ba4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:13]} 5. O-O {[%emt 0:00:00]} b5 {[%emt 0:01:14]} 6. Bb3 {[%emt 0:00:01]} Bb7 {[%emt 0:00:31]} 7. d3 {[%emt 0:08:43]} Be7 {[%emt 0:00:18]} 8. a4 {[%emt 0:05:20]} O-O {[%emt 0:00:45]} 9. Bg5 {[%emt 0:12:18]} d6 {[%emt 0:03:39]} 10. Nc3 {[%emt 0:07:59]} b4 {[%emt 0:08:03]} 11. Bxf6 {[%emt 0:01:30]} Bxf6 {[%emt 0:00:06]} 12. Nd5 {[%emt 0:00:07]} a5 {[%emt 0:05:40]} 13. c3 {[%emt 0:01:50]} bxc3 {[%emt 0:07:37]} 14. bxc3 {[%emt 0:00:13]} g6 {[%emt 0:01:02]} 15. Rb1 {[%emt 0:05:04]} Bg7 {[%emt 0:04:47]} 16. Ne3 {[%emt 0:04:06]} Bc8 {[%emt 0:04:26]} 17. Bc4 {[%emt 0:04:53]} Bd7 {[%emt 0:06:50]} 18. Qb3 {[%emt 0:00:17]} h6 {[%emt 0:04:15]} 19. Qa2 {[%emt 0:03:38]} Ne7 {[%emt 0:02:20]} 20. Rb2 {[%emt 0:05:52]} Nc8 {[%emt 0:09:27]} 21. Bd5 {[%emt 0:02:47]} Ra7 {[%emt 0:02:06]} 22. Rfb1 {[%emt 0:11:06]} Nb6 {[%emt 0:00:16]} 23. Bb3 {[%emt 0:01:02]} Qe7 {[%emt 0:11:02]} 24. Nd5 {[%emt 0:03:05]} Nxd5 {[%emt 0:00:05]} 25. Bxd5 {[%emt 0:00:06]} c6 {[%emt 0:00:52]} 26. Bc4 {[%emt 0:00:08]} Rc7 {[%emt 0:00:52]} 27. Rb7 {[%emt 0:03:23]} Bg4 {[%emt 0:01:54]} 28. Rxc7 {[%emt 0:00:09]} Qxc7 {[%emt 0:00:04]} 29. Nd2 {[%emt 0:01:24]} Bf6 {[%emt 0:07:05]} 30. h3 {[%emt 0:01:35]} Bc8 {[%emt 0:00:09]} 31. Qb3 {[%emt 0:01:11]} Kg7 {[%emt 0:03:51]} 32. Qb8 {[%emt 0:04:18]} Bd8 {[%emt 0:00:57]} 33. Qa8 {[%emt 0:03:19]} Bg5 {[%emt 0:05:12]} 34. Nf3 {[%emt 0:01:26]} Bf6 {[%emt 0:01:37]} 35. Qb8 {[%emt 0:04:21]} Qd8 {[%emt 0:02:22]} 36. Qa8 {[%emt 0:03:04]} Qc7 {[%emt 0:00:50]} 37. Qb8 {[%emt 0:00:04]} Qd8 {[%emt 0:00:50]} 38. Ba2 {[%emt 0:01:38]} Ba6 {[%emt 0:02:59]} 39. Qxd8 {[%emt 0:00:38]} Rxd8 {[%emt 0:01:58]} 40. c4 {[%emt 0:02:15]} Rd7 {[%emt 0:01:07]} 41. Rb6 {[%emt 0:02:17]} Bb7 {[%emt 0:02:17]} 42. c5 {[%emt 0:00:21]} dxc5 {[%emt 0:07:47]} 43. Kf1 {[%emt 0:01:04]} Kf8 {[%emt 0:04:58]} 44. Ke2 {[%emt 0:00:37]} Ke7 {[%emt 0:03:32]} 45. Nd2 {[%emt 0:01:01]} Kd6 {[%emt 0:01:34]} 46. Rb1 {[%emt 0:02:45]} Ba6 {[%emt 0:02:18]} 47. Bc4 {[%emt 0:02:22]} Bc8 {[%emt 0:00:05]} 48. Rb8 {[%emt 0:03:39]} Kc7 {[%emt 0:01:19]} 49. Ra8 {[%emt 0:02:12]} Bd8 {[%emt 0:05:52]} 50. Ra7+ {[%emt 0:09:30]} Bb7 {[%emt 0:00:11]} 51. Ba6 {[%emt 0:00:10]} Kb6 {[%emt 0:00:09]} 52. Rxb7+ {[%emt 0:00:04]} Rxb7 {[%emt 0:00:04]} 53. Bxb7 {[%emt 0:00:07]} Kxb7 {[%emt 0:00:02]} 54. Nc4 {[%emt 0:03:22]} Bc7 {[%emt 0:00:04]} 55. h4 {[%emt 0:03:56]} h5 {[%emt 0:00:50]} 56. Kf3 {[%emt 0:00:21]} Kc8 {[%emt 0:00:28]} 57. g4 {[%emt 0:00:48]} Kd7 {[%emt 0:00:23]} 58. gxh5 {[%emt 0:01:39]} gxh5 {[%emt 0:00:04]} 59. Ne3 {[%emt 0:00:09]} Ke6 {[%emt 0:01:42]} 60. Ke2 {[%emt 0:01:32]} Bd8 {[%emt 0:01:11]} 61. Nf5 {[%emt 0:00:10]} Kf6 {[%emt 0:01:02]} 62. Nd6 {[%emt 0:02:00]} Ke7 {[%emt 0:01:26]} 63. Nc4 {[%emt 0:01:15]} Ke6 {[%emt 0:00:06]} 64. Ke3 {[%emt 0:00:43]} Bc7 {[%emt 0:00:41]} 65. Kf3 {[%emt 0:00:19]} Bd8 {[%emt 0:00:59]} 66. Kg3 {[%emt 0:00:10]} Bc7 {[%emt 0:01:30]} 67. Kg2 {[%emt 0:00:26]} Bd8 {[%emt 0:00:10]} 68. Kh3 {[%emt 0:00:25]} f5 {[%emt 0:00:54]} 69. Kg3 {[%emt 0:00:56]} f4+ {[%emt 0:00:29]} 70. Kg2 {[%emt 0:00:13]} Bc7 {[%emt 0:00:27]} 71. Kf3 {[%emt 0:00:17]} Bd8 {[%emt 0:00:12]} 72. Ke2 {[%emt 0:00:11]} Bc7 {[%emt 0:00:20]} 73. Nd2 {[%emt 0:01:24]} Bd8 {[%emt 0:00:17]} 74. Nc4 {[%emt 0:00:56]} Bc7 {[%emt 0:00:08]} 75. f3 {[%emt 0:00:35]} Bd8 {[%emt 0:00:18]} 76. Kf1 {[%emt 0:00:22]} Bc7 {[%emt 0:00:07]} 77. Ke2 {[%emt 0:00:12]} 1/2-1/2

[Event "DSB-Kader-Challenge 2021"]
[Site "Magdeburg"]
[Date "2021.04.06"]
[Round "2.5"]
[White "Heimann, Andreas"]
[Black "Svane, Frederik"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "2606"]
[BlackElo "2421"]
[Annotator "ChessBase"]
[PlyCount "115"]
[EventDate "2021.04.05"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:00]} 4. Nxd4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 5. Nb5 {[%emt 0:00:04]} d6 {[%emt 0:00:00]} 6. c4 {[%emt 0:00:33]} g6 {[%emt 0:00:03]} 7. Be2 {[%emt 0:05:53]} Be6 {[%emt 0:02:14]} 8. O-O {[%emt 0:05:16]} a6 {[%emt 0:05:29]} 9. N5c3 {[%emt 0:02:40]} Nf6 {[%emt 0:00:18]} 10. Be3 {[%emt 0:05:33]} Bg7 {[%emt 0:01:05]} 11. Nd5 {[%emt 0:11:02]} O-O {[%emt 0:02:52]} 12. Nbc3 {[%emt 0:14:38]} Bxd5 {[%emt 0:02:26]} 13. cxd5 {[%emt 0:01:22]} Nd4 {[%emt 0:03:09]} 14. Bd3 {[%emt 0:03:03]} Qb6 {[%emt 0:11:56]} 15. Ne2 {[%emt 0:16:37]} Nd7 {[%emt 0:12:06]} 16. Qd2 {[%emt 0:02:59]} Nc5 {[%emt 0:05:34]} 17. Rac1 {[%emt 0:06:35]} Nxd3 {[%emt 0:26:23]} 18. Qxd3 {[%emt 0:04:03]} Qb5 {[%emt 0:00:17]} 19. Qxb5 {[%emt 0:11:17]} axb5 {[%emt 0:00:36]} 20. Nxd4 {[%emt 0:00:06]} exd4 {[%emt 0:00:06]} 21. Bf4 {[%emt 0:00:02]} Rfd8 {[%emt 0:05:44]} 22. a3 {[%emt 0:07:11]} d3 {[%emt 0:00:07]} 23. Rcd1 {[%emt 0:00:58]} Bxb2 {[%emt 0:05:32]} 24. Rxd3 {[%emt 0:00:07]} Rxa3 {[%emt 0:05:53]} 25. Rxa3 {[%emt 0:00:04]} Bxa3 {[%emt 0:00:04]} 26. Rb1 {[%emt 0:00:05]} Bc5 {[%emt 0:00:07]} 27. Rxb5 {[%emt 0:01:15]} Re8 {[%emt 0:00:20]} 28. Rxb7 {[%emt 0:01:43]} Rxe4 {[%emt 0:00:09]} 29. g3 {[%emt 0:00:09]} h5 {[%emt 0:04:10]} 30. Rd7 {[%emt 0:00:55]} Re1+ {[%emt 0:02:55]} 31. Kg2 {[%emt 0:00:03]} Re2 {[%emt 0:00:06]} 32. Bxd6 {[%emt 0:00:10]} Rxf2+ {[%emt 0:00:03]} 33. Kh1 {[%emt 0:00:36]} Bxd6 {[%emt 0:00:44]} 34. Rxd6 {[%emt 0:00:04]} Rd2 {[%emt 0:00:12]} 35. h4 {[%emt 0:00:56]} Kf8 {[%emt 0:00:13]} 36. Rd7 {[%emt 0:00:07]} Ke8 {[%emt 0:00:05]} 37. Ra7 {[%emt 0:00:03]} Rxd5 {[%emt 0:00:04]} 38. Kg2 {[%emt 0:00:03]} Kf8 {[%emt 0:00:33]} 39. Kf3 {[%emt 0:00:07]} Rd4 {[%emt 0:00:36]} 40. Rb7 {[%emt 0:00:08]} Kg7 {[%emt 0:00:03]} 41. Rb6 {[%emt 0:30:25]} Ra4 {[%emt 0:30:09]} 42. Rc6 {[%emt 0:00:07]} Ra5 {[%emt 0:00:06]} 43. Rb6 {[%emt 0:00:25]} Rf5+ {[%emt 0:00:18]} 44. Kg2 {[%emt 0:00:06]} Rf6 {[%emt 0:00:03]} 45. Rb7 {[%emt 0:00:04]} Ra6 {[%emt 0:00:04]} 46. Kf3 {[%emt 0:00:07]} Kf6 {[%emt 0:00:02]} 47. Rc7 {[%emt 0:00:31]} Ke6 {[%emt 0:00:24]} 48. Rb7 {[%emt 0:00:54]} Ra5 {[%emt 0:00:03]} 49. Rb6+ {[%emt 0:00:52]} Kf5 {[%emt 0:00:06]} 50. Rb3 {[%emt 0:00:03]} f6 {[%emt 0:00:29]} 51. Rc3 {[%emt 0:00:04]} g5 {[%emt 0:00:05]} 52. hxg5 {[%emt 0:00:10]} fxg5 {[%emt 0:00:04]} 53. g4+ {[%emt 0:00:43]} hxg4+ {[%emt 0:00:05]} 54. Kg3 {[%emt 0:00:03]} Ke4 {[%emt 0:00:17]} 55. Kxg4 {[%emt 0:00:08]} Kd4 {[%emt 0:00:04]} 56. Rc8 {[%emt 0:00:12]} Rc5 {[%emt 0:00:02]} 57. Rxc5 {[%emt 0:00:05]} Kxc5 {[%emt 0:00:02]} 58. Kxg5 {[%emt 0:00:06]} 1/2-1/2

[Event "DSB-Kader-Challenge 2021"]
[Site "Magdeburg"]
[Date "2021.04.07"]
[Round "3.1"]
[White "Kollars, Dmitrij"]
[Black "Fridman, Daniel"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2598"]
[BlackElo "2601"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2021.04.05"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,80,17,20,7,0,9,12,15,14,13,25,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-14,28,28,30,38,39,0,7,0,0,0,0,0,0,0,0,-12,-7,-33,-33,-33,-18,-25,-14,-33,-13,-18,0,-33,-18,-18,-14,-14,-14,-14,-14,-43,-8]} 1. e4 {Stohl,I} c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 c5 6. c3 Nc6 7. O-O Bg6 8. a3 {B12: Caro-Kann: Advance Variation.} cxd4 9. cxd4 Nge7 10. b4 {The position is equal.} Nc8 11. Nbd2 Nb6 12. Bb2 Be7 {[#]} 13. b5 $146 ({Predecessor:} 13. Rc1 O-O 14. Bc3 a6 15. Ne1 Qd7 16. Nd3 Nc4 17. Nxc4 dxc4 18. Nc5 Bxc5 19. dxc5 {0-1 (47) Fedoseev,V (2667)-Dreev,A (2652) Moscow 2016 CBM 176 [Stohl,I]}) 13... Na5 14. Bc3 Nbc4 15. Qa4 O-O 16. Rfc1 a6 17. Bxa5 Nxa5 18. bxa6 bxa6 19. Rc3 Qb6 20. Rac1 Bd8 21. h3 Qb2 22. Qb4 Qxb4 (22... Rb8 {looks sharper.} 23. Qxb2 Rxb2 24. Bxa6 Ra2 25. Bd3 Bxd3 26. Rxd3 Be7) 23. axb4 Nc4 24. Nxc4 dxc4 25. Rxc4 Be7 26. Rc6 Bxb4 27. Rxa6 Rxa6 28. Bxa6 Be4 29. Rc4 Rb8 30. Ng5 Bd5 31. Rc8+ (31. Rc2 {is more complex.} h6 32. Nf3 Ra8 33. Be2 Ba5 34. Rc1) 31... Rxc8 32. Bxc8 $15 {[%mdl 4096] Endgame KBB-KBN} Bc3 33. Nf3 h6 34. Kf1 Bc4+ 35. Kg1 Bd5 36. Kf1 Bxf3 37. gxf3 Bxd4 38. f4 $1 g5 39. f5 exf5 40. e6 {[#] Threatens to win with e7.} (40. h4 $5) 40... fxe6 {Weighted Error Value: White=0.06/Black=0.05} 1/2-1/2

[Event "DSB-Kader-Challenge 2021"]
[Site "Magdeburg"]
[Date "2021.04.07"]
[Round "3.2"]
[White "Svane, Frederik"]
[Black "Svane, Rasmus"]
[Result "0-1"]
[ECO "C77"]
[WhiteElo "2421"]
[BlackElo "2613"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2021.04.05"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,60,6,0,12,6,24,15,12,25,21,-14,0,0,-11,-8,-12,-30,18,-156,-157,-282,-273,-285,-284,-270,-279,-594,-583,-747,-730,-721,-656,-649,-448,-444,-443,-415,-381,-446,-457,-420,-414,-406,-408,-404,-399]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 d6 8. a3 O-O 9. Nc3 {[%cal Bb1c3,Bc3e2,Be2g3][%mdl 32]} Nb8 {9...Na5 gains popularity. C77: Ruy Lopez: 3...a6 4 Ba4 Nf6, unusual lines.} 10. h3 Bb7 11. Ne2 Nbd7 {The position is equal.} 12. Ng3 {[#]} Re8 $146 ({Predecessor:} 12... Nc5 13. Ba2 Ne6 14. Re1 Re8 15. c3 c5 16. Nh2 Bf8 17. Ng4 Nxg4 18. Qxg4 g6 {1-0 (49) Khanin,S (2500)-Postny,E (2605) Moscow 2019}) 13. Ng5 d5 14. f4 c5 15. exd5 {Strongly threatening d6!} Qb6 16. Kh1 {aiming for d6!} Nxd5 17. Nxf7 $2 Qg6 $17 {[%mdl 64] Double Attack} (17... exf4 18. Nh5 $11 (18. Bxf4 Qg6 $11)) 18. Qf3 (18. Ng5 $17 exf4 19. Qg4) 18... Qxf7 $19 19. c4 bxc4 (19... Nxf4 20. Qxb7 Red8 {[#]} 21. Ne2 $1 $16) (19... exf4 20. cxd5 g5 21. Qh5 $17) 20. dxc4 {[#]} e4 $1 {[%cal Re4f3]} 21. Qxe4 {[#]} (21. Nxe4 {is more resistant.} N5b6 22. Nf6+ Bxf6 23. Qxb7) 21... Bh4 $1 {[%mdl 64] Discovered Attack} 22. Qf3 {[#]} (22. Qd3 N5f6) 22... Ne3 {[%mdl 576] Double Attack, Discovered Attack} 23. Qxb7 Rab8 24. Qf3 {next Re1 is good for White.} Bxg3 25. Bxe3 {Black must now prevent Ba4.} Rxb3 {[%mdl 64] Double Attack} 26. Qxg3 Rbxe3 27. Qg4 Nf6 28. Qf5 Ne4 {( -> ...Ng3+). Black is winning.} 29. Qxf7+ Kxf7 30. Kg1 Rb3 {Weighted Error Value: White=0.54/Black=0.15} 0-1

[Event "DSB-Kader-Challenge 2021"]
[Site "Magdeburg"]
[Date "2021.04.07"]
[Round "3.3"]
[White "Huschenbeth, Niclas"]
[Black "Heimann, Andreas"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2604"]
[BlackElo "2606"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2021.04.05"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,92,21,11,17,22,8,17,26,21,21,14,34,27,27,29,42,5,8,13,17,17,12,22,13,0,0,0,0,-4,5,-41,-2,-22,-19,-64,-53,-93,-66,-91,-43,-58,-20,-74,-36,-21,-33,-97,-57,-97,-57,-97,-95,-124,-124,-124,-124,-124,-124,-124,-116,-124,-124,-124,-124,-124,-124,-124,-124,-124,0,-74,0,0,0,0,0,-88,-88,-88,-88,-89,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. O-O h6 7. Re1 O-O {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} 8. Nbd2 a5 9. Nf1 Be6 {The position is equal.} 10. Bb5 Bb6 11. Ng3 Nh7 12. h3 Ng5 13. Nxg5 hxg5 {[#]} 14. Qh5 $146 ({Predecessor:} 14. d4 exd4 15. Bxc6 bxc6 16. cxd4 c5 17. d5 Bd7 18. a4 Re8 19. Bd2 c4 20. Qf3 {1-0 (41) So,W (2770)-Nakamura,H (2736) chess24.com INT 2020}) 14... f6 15. Ba4 Qe8 16. Qd1 Qf7 17. Be3 Bxe3 18. fxe3 Ne7 19. d4 Rab8 20. Qd3 b5 21. Bd1 a4 22. d5 Bd7 23. Rf1 g6 24. Bg4 Bxg4 25. hxg4 Kg7 26. Rac1 Ng8 {[%cal Be7g8,Bg8h6,Bh6f7,Bf7d8,Bd8b7][%mdl 32]} 27. Qe2 (27. Nh1 $11) 27... Qd7 28. Nh1 $1 c5 29. Nf2 (29. dxc6 $15 Qxc6 30. Qf3) 29... Nh6 30. g3 Rh8 31. Kg2 c4 32. a3 Nf7 33. Qf3 Rbf8 34. Rh1 Nd8 35. Rxh8 Rxh8 36. Rh1 Rxh1 37. Kxh1 Nb7 38. Kg2 Nc5 39. Qd1 Qc8 40. Kf3 f5 ({Black should try} 40... Qh8 $17 41. Qh1 Qf8) 41. gxf5 {[#]} (41. exf5 $1 $11 {remains equal.} gxf5 42. Kg2) 41... gxf5 (41... Nxe4 $1 $17 42. f6+ (42. g4 gxf5) 42... Nxf6) 42. Kg2 $1 $11 fxe4 43. Qh5 Qf5 44. Nh3 {[#]} (44. Qe8 $11) 44... Qf3+ $1 $17 {Black is better.} 45. Qxf3 exf3+ 46. Kxf3 {[#]} Kg6 {Weighted Error Value: White=0.19/Black=0.12} ({Better is} 46... e4+ $1 $17 47. Kg4 Kf6) 1/2-1/2

[Event "DSB-Kader-Challenge 2021"]
[Site "Magdeburg"]
[Date "2021.04.07"]
[Round "3.4"]
[White "Wagner, Dennis"]
[Black "Donchenko, Alexander"]
[Result "1/2-1/2"]
[ECO "C88"]
[WhiteElo "2581"]
[BlackElo "2659"]
[Annotator "TA"]
[PlyCount "35"]
[EventDate "2021.04.05"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,35,19,18,36,32,41,16,25,24,30,33,39,32,34,0,24,0,14,0,19,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. h3 Bb7 9. d3 d5 {C88: Closed Ruy Lopez: Anti-Marshall Systems.} 10. exd5 Nxd5 11. a4 Ndb4 $5 {[%mdl 4] A promising side line.} 12. Nbd2 Na5 13. Nxe5 Nxb3 14. Nxb3 {Threatens to win with Na5.} Qd5 {[%csl Gb7][%cal Rd5g2] [#]} 15. Nf3 Qd7 16. Ne5 Qd5 {[%csl Gb7][%cal Rd5g2] [#]} 17. Nf3 $146 ({Predecessor:} 17. f3 Bd6 18. Ng4 Bg3 19. Re4 Qd6 20. Rd4 Qe7 21. Bd2 c5 22. Bxb4 cxb4 23. Nh6+ gxh6 24. Rg4+ Kh8 25. Rxg3 Qe5 26. Qe1 Qxb2 27. axb5 a5 28. Qe7 Bd5 29. d4 {1-0 (29) Vachier Lagrave,M (2774)-So,W (2767) chess.com INT 2019}) 17... Qd7 18. Ne5 {Weighted Error Value: White=0.12/Black=0.04} 1/2-1/2

[Event "DSB-Kader-Challenge 2021"]
[Site "Magdeburg"]
[Date "2021.04.07"]
[Round "3.5"]
[White "Engel, Luis"]
[Black "Bluebaum, Matthias"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2553"]
[BlackElo "2670"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2021.04.05"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,78,35,24,25,18,24,-41,-50,-43,-49,-38,-43,-39,-55,-64,-45,-45,-55,-60,-39,-76,-67,-84,-93,-235,-254,-244,-235,-232,-200,-247,-233,-233,-87,-90,-99,-87,-80,-120,-135,-147,-143,-240,-239,-234,-230,-235,-249,-229,-235,-303,-304,-391,-387,-362,-365,-352,-329,-333,-321,-432,-427,-1636,-1567]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 c5 6. Be3 Nd7 7. O-O Ne7 8. c4 dxc4 9. Na3 c3 {B12: Caro-Kann: Advance Variation.} 10. Nb5 {[%cal Rb5d6]} Nd5 11. Bg5 {[#]} ({Of course not} 11. bxc3 a6 $15) (11. Nxc3 $11 Nxe3 12. fxe3) 11... c2 $146 {Black is slightly better.} ({Predecessor:} 11... f6 12. exf6 gxf6 13. Nh4 Bg6 14. Nxg6 hxg6 15. Bc1 cxd4 16. Nxd4 Qb6 17. Bf3 Ne5 18. Bxd5 exd5 19. bxc3 {½-½ (79) Alekseenko,K (2639)-Artemiev,V (2706) Sochi 2018}) 12. Qd2 Qb6 {aiming for ...a6.} 13. a4 a6 14. a5 Qc6 15. Na3 h6 16. Be3 Nxe3 17. fxe3 Qe4 $36 {[%mdl 2048] Black has good play.} 18. Rfc1 {[%cal Ra3c2]} cxd4 19. exd4 {[%cal Ra3c2]} Rc8 20. Rxc2 Rxc2 $19 21. Nxc2 Qxc2 22. Rc1 Qxd2 23. Rc8+ Ke7 24. Nxd2 Nxe5 25. dxe5 $17 {And now Rc7+ would win.} Kd7 26. Rc4 Be7 27. Bf3 Rb8 28. g4 Bg6 29. Nb3 (29. Kh1 $17 {was worth a try.}) 29... Rc8 $19 30. Rd4+ Kc7 31. Kg2 {[#]} Kb8 $1 32. Kg3 Rd8 33. Rc4 Rd3 34. Nd4 Be4 {Strongly threatening ...Bd5.} 35. Kg2 Rd2+ 36. Kg3 Bxf3 37. Nxf3 Rxb2 38. h4 Rb4 39. Rf4 {[#]} (39. Rc1 $142) 39... Bxh4+ $1 {[%mdl 512] Weighted Error Value: White=0.53/Black=0.09} 0-1

[Event "DSB-Kader-Challenge 2021"]
[Site "Magdeburg"]
[Date "2021.04.07"]
[Round "4.1"]
[White "Fridman, Daniel"]
[Black "Donchenko, Alexander"]
[Result "0-1"]
[ECO "D14"]
[WhiteElo "2601"]
[BlackElo "2659"]
[Annotator "TA"]
[PlyCount "122"]
[EventDate "2021.04.05"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,122,6,4,10,19,37,27,33,22,29,22,28,28,5,17,25,36,21,16,-8,9,8,0,-67,0,0,0,0,0,-58,-57,-58,-58,-197,-197,-210,-210,-210,-208,-210,-208,-208,-200,-200,-193,-193,-193,-208,-206,-214,-208,-216,-193,-189,-179,-179,-179,-179,-179,-267,-267,-271,-218,-247,-218,-271,-240,-252,-251,-251,-251,-267,-266,-340,-340,-340,-340,-333,-314,-333,-282,-332,-330,-318,-313,-292,-282,-282,-282,-366,-340,-29967,-29968,-29969,-29969,-29970,-29971,-29971,-29972,-29972,-29972,-29975,-29976,-29982,-29982,-29982,-29983,-29983,-29984]} 1. d4 {Pavlovic,M} d5 2. Nf3 Nf6 3. c4 c6 4. cxd5 cxd5 5. Nc3 Nc6 6. Bf4 Bf5 7. e3 e6 8. Qb3 Bb4 9. Ne5 {Threatens to win with Nxc6. is more profitable than 9.Bb5 at the moment. D14: Slav Defence: Exchange variation with ...Bf5.} Qb6 10. Nxc6 bxc6 11. Be2 {White has an edge.} Ne4 12. f3 Nxc3 13. bxc3 Be7 14. O-O O-O 15. c4 c5 16. cxd5 exd5 {[#]} 17. g4 $146 ({Predecessor:} 17. Qxd5 Be6 18. Qe4 cxd4 19. exd4 Bf6 20. Be5 Bxe5 21. Qxe5 Rfd8 22. Rfd1 g6 23. Rab1 {1-0 (50) Morozevich,A (2712)-Artemiev,V (2662) Moscow 2014 CBM 164 [Pavlovic,M]}) 17... Bg6 18. Qxd5 cxd4 19. exd4 (19. Qxd4 $11 Bc5 20. Qc3) 19... Bf6 (19... Rfd8 $15 20. Qb3 Qxd4+ 21. Be3 Qf6) 20. Rad1 $11 Rfd8 21. Qb5 Rxd4 22. Qxb6 ({White should try} 22. Be3 $11 Rxg4+ {[%mdl 64] Discovered Attack} 23. fxg4 Qxe3+ 24. Kg2) 22... axb6 $15 23. Be3 Rxd1 24. Bxd1 {Loses the game.} (24. Rxd1 $15 Re8 25. g5 Rxe3 26. gxf6 gxf6 27. Rd2) 24... Bd3 $19 (24... Rxa2 25. Bxb6 h5 26. gxh5 $15) 25. Bxb6 Bxf1 (25... Rxa2 26. Rf2 $11) 26. Kxf1 Rxa2 {[%mdl 4096] Endgame KRB-KB} 27. Bf2 Be5 28. h3 Bf4 29. Bb3 Rd2 30. Ba4 g6 31. Bc6 Kg7 32. Bb7 Kf6 33. Be4 Kg5 34. Be1 Rh2 {...Rh1+ is the strong threat.} 35. h4+ Kf6 36. Bf2 Rh1+ 37. Ke2 (37. Kg2 $142 Rd1 38. h5) 37... Kg7 38. Bd5 Kg8 39. Be4 Bd6 40. f4 Ra1 41. f5 Ra2+ 42. Kf3 Ra3+ 43. Kg2 Ra4 44. Kf3 {[#]} h5 $1 {[%cal Rh5g4]} 45. gxh5 gxf5 ({Don't play} 45... gxh5 46. Be3 $19) 46. Bc6 Ra3+ 47. Kg2 Kg7 48. Bd5 Be5 49. h6+ Kg6 ({Don't take} 49... Kxh6 50. Bxf7 Kg7 51. Bd5 $19) 50. h7 Bh8 ({Don't do} 50... Kxh7 51. Bxf7 Kg7 52. Be8 $19) 51. h5+ Kg7 52. Bd4+ Kxh7 {[%mdl 64] [#] Discovered Attack} 53. Bxh8 (53. Bf2 $19) 53... Kxh8 {Black mates.} 54. Bxf7 {KR-KB} Kg7 55. Bg6 Kf6 56. Kf2 Kg5 57. Bf7 Kg4 58. Bg6 Ra2+ 59. Kf1 Rh2 60. Kg1 Kg3 61. Bxf5 Rd2 {[%cal Rd2d1] Weighted Error Value: White=0.29/Black=0.07} 0-1

[Event "DSB-Kader-Challenge 2021"]
[Site "Magdeburg"]
[Date "2021.04.07"]
[Round "4.2"]
[White "Bluebaum, Matthias"]
[Black "Wagner, Dennis"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "2670"]
[BlackElo "2581"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2021.04.05"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,92,22,25,34,25,24,24,11,8,13,11,2,18,18,12,-11,-23,-14,0,13,21,20,18,21,16,13,15,15,40,0,18,22,10,0,4,2,16,12,53,58,60,56,53,50,44,52,66,45,76,33,121,22,107,15,15,0,37,0,0,0,0,0,0,0,0,-45,0,-26,0,0,0,-18,0,0,0,-8,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. e3 O-O 5. Be2 c5 6. d5 d6 7. Nc3 e6 8. O-O {E61: King's Indian: Early deviations for White, including Smyslov System.} Na6 9. e4 Re8 10. h3 {White has an edge.} exd5 11. exd5 Bf5 {[#]} 12. Bd3 $146 ({Predecessor:} 12. a3 Nc7 13. Bd3 Qd7 14. Bxf5 gxf5 15. Rb1 Ne4 16. Qc2 Re7 17. Be3 Rae8 18. Qc1 {½-½ (39) Matsuoka,J (1239)-Chen,Y (1819) Tianjin 2020}) 12... Ne4 13. Nxe4 Bxe4 14. Ng5 Bxd3 15. Qxd3 Qe7 16. Qb3 h6 17. Nf3 Qd7 18. Bd2 Nc7 19. a4 b6 20. Rae1 Qf5 21. Bc3 Rab8 22. Bxg7 Kxg7 23. Nd2 Rxe1 24. Rxe1 {aiming for Re7.} Re8 25. Qc3+ Qf6 (25... Kg8 {is more complex.} 26. Re3 Qf4 27. Rxe8+ Nxe8 28. g3 Qg5) 26. Qxf6+ Kxf6 $14 {[%mdl 4096] Endgame KRN-KRN} 27. Ne4+ Kg7 {[#] ...f5 is the strong threat.} 28. Re3 Rd8 29. g4 Ne8 30. f4 Kf8 31. Kf2 Rd7 (31... f5 $14) 32. Kf3 (32. f5 $16) 32... Re7 {[#]} (32... f5 $1 $11) 33. Rb3 (33. f5 $1 $16) 33... f5 $11 34. Ng3 Ng7 35. a5 bxa5 36. Rb8+ Re8 37. Rb5 a4 38. g5 h5 39. Nf1 Re1 (39... h4 $5 {[%cal Rg7h5]} 40. Ne3 Nh5 $11) 40. Ne3 (40. Rb8+ {feels hotter.} Ne8 41. Nd2 Rh1 42. Kg3 h4+ 43. Kxh4 Rd1 44. Nf3) 40... Rh1 (40... h4 {looks sharper.} 41. Rb8+ Ne8 42. Ra8 Rh1 43. Kg2 Rb1) 41. Kg3 {The position is equal.} Rb1 42. Ra5 (42. Ng2 {seems wilder.} a6 43. Ra5 h4+ 44. Kxh4 Rxb2 45. Rxa6 Nh5 46. Ra8+) 42... Rxb2 {White must now prevent ...h4+!} 43. Rxa4 Rb7 44. Ng2 Ne8 45. Nh4 Kf7 46. Ra6 $1 Re7 {Weighted Error Value: White=0.16/Black=0.16} 1/2-1/2

[Event "DSB-Kader-Challenge 2021"]
[Site "Magdeburg"]
[Date "2021.04.07"]
[Round "4.3"]
[White "Heimann, Andreas"]
[Black "Engel, Luis"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2606"]
[BlackElo "2553"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2021.04.05"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,103,4,21,8,8,-23,-14,-29,45,23,43,32,57,58,45,42,86,77,80,74,82,76,77,83,65,50,89,89,194,170,219,233,276,279,318,308,304,165,124,140,163,0,8,8,8,8,8,8,15,0,0,-8,143,143,147,120,125,100,116,112,106,85,107,104,71,76,452,426,724,709,896,840,1016,1010,1203,1131,1516,1508,1358,1335,29987,29988,29988,29989,29990,29991,29991,29992,29992,29992]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. Qd2 Be7 9. f4 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} b5 10. O-O-O Nbd7 11. h3 {The position is equal.} h5 {[#]} (11... O-O $11) 12. g3 $146 ({Predecessor:} 12. Kb1 Bc4 13. Be2 h4 14. Rhf1 Rc8 15. Nc1 O-O 16. Bd3 Qc7 17. fxe5 dxe5 18. g4 hxg3 {1-0 (32) Fedorchuk,S (2660)-Esen,B (2557) Legnica 2013}) 12... Qc7 13. Nd5 Bxd5 14. exd5 Rc8 15. Bg2 b4 16. Kb1 a5 17. fxe5 Nxe5 18. Nd4 O-O 19. b3 Rfe8 20. Rhf1 Nfd7 21. Nc6 Bf8 (21... Bf6 $16) 22. g4 hxg4 23. hxg4 Nxg4 24. Bd4 g6 25. Bh3 ({Not} 25. Qf4 Nde5 $11) 25... Nge5 26. Qf4 (26. Qg5 $142 $1) 26... Bg7 $18 27. Rd2 Nf6 28. Bxe5 $2 (28. Bxc8 $18 Nxd5 29. Qf2 Nc3+ 30. Bxc3 bxc3 31. Rxd6 $3 {[%mdl 576] Remove Defender} Qxd6 32. Nxe5) 28... dxe5 29. Qc4 Rcd8 {[%cal Rd8d6]} 30. Nxd8 Qxc4 31. bxc4 Ne4 32. Rd3 Rxd8 33. d6 $1 f5 $2 {[#]} (33... Bf8 $11) 34. Bg2 $1 $36 {[%cal Rg2e4][%mdl 2048] Strongly threatening Bxe4. Black is under strong pressure.} Nc5 35. Rd5 Na4 36. Rxa5 Nc3+ 37. Kb2 {Black must now prevent c5.} Rxd6 38. c5 Rd8 39. Bb7 {Hoping for c6.} e4 40. Kb3 {aiming for c6.} e3 $2 {[%mdl 8192] [#] This costs Black the game.} (40... Be5 $16) 41. c6 $1 $18 {[%cal Rc6c7] c7 is the strong threat.} e2 (41... Nd5 $142 42. Rxd5 {[%mdl 64] Remove Defender, Promotion} Rxd5) 42. Re1 Rd1 {[#]} 43. Rxe2 $3 {[%mdl 576] Promotion} Nxe2 (43... Nd5 44. Rxd5) 44. c7 Rb1+ 45. Kc4 Rc1 46. c8=Q+ Kh7 {[#]} 47. Be4 $1 fxe4 (47... Rf1 48. Rxf5) 48. Qh3+ {White mates.} Kg8 49. Ra8+ Bf8 50. Qe6+ {[%mdl 64] Double Attack} Kg7 51. Qe5+ Kg8 52. Qxe4 {[%mdl 64] Double Attack.  Weighted Error Value: White=0.15/Black=0.55} 1-0

[Event "DSB-Kader-Challenge 2021"]
[Site "Magdeburg"]
[Date "2021.04.07"]
[Round "4.4"]
[White "Svane, Rasmus"]
[Black "Huschenbeth, Niclas"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2613"]
[BlackElo "2604"]
[Annotator "TA"]
[PlyCount "133"]
[EventDate "2021.04.05"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,133,10,15,6,26,16,23,18,27,31,42,51,54,50,47,47,40,44,50,40,53,50,65,66,76,37,42,32,32,31,32,25,29,29,31,29,35,29,49,46,41,36,33,22,97,93,102,19,27,0,14,11,46,0,28,8,8,8,32,32,31,0,87,32,32,32,32,32,32,32,37,32,32,32,222,185,253,243,545,526,522,222,744,497,475,388,668,650,635,637,657,635,577,554,499,494,802,615,2157,2256,1906,1777,29968,29967,5101,4878,29975,29974,29974,29975,29977,29978,29976,29977,29980,29978,29982,29983,29983,29984,29985,29986,29986,29987,29987,29988]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c4 Ngf6 5. Nc3 e6 6. O-O {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} Be7 7. d4 cxd4 8. Qxd4 {White has an edge.} O-O 9. Rd1 Qc7 10. Bxd7 Bxd7 {[#]} 11. Bf4 $146 {e5 is the strong threat.} ({Predecessor:} 11. Bg5 Bc6 12. Rac1 Rfd8 13. h3 Be8 14. b3 a6 15. Qd3 Rac8 16. Qe2 Qa5 17. Rc2 {½-½ (17) Alice,M (2124)-Van den Heever,D (2277) Windhoek 2014}) 11... Bc6 {Threatens to win with ...e5.} 12. Bxd6 Bxd6 13. Qxd6 Qxd6 14. Rxd6 Bxe4 15. Ne5 Rfc8 16. Rad1 Bc6 17. Nxc6 (17. f3 {seems wilder.} Be8 18. b3 Rc5 19. f4 h6 20. g3) 17... bxc6 18. f3 Kf8 19. Kf2 Ke7 20. R6d2 Rd8 21. Rxd8 Rxd8 22. Rxd8 Kxd8 $11 {[%mdl 4096] Endgame KN-KN} 23. Ke3 Ke7 24. b4 e5 25. a4 Nd7 26. Kd3 a5 (26... g6 $11) 27. bxa5 $16 Nc5+ 28. Kc2 ({Better is} 28. Ke3 $16) 28... Kd6 29. a6 Nxa6 30. Ne4+ Ke6 31. Kc3 h6 32. a5 f5 33. Nf2 Kd6 34. g4 g6 35. h4 h5 (35... Nc5 $11 {keeps the balance.}) 36. gxh5 (36. Kd2 $1 $16) 36... gxh5 $14 37. Nh1 f4 38. Nf2 Nc5 39. Nd3 {Hoping for Nxc5.} Na6 40. Kd2 Ke6 $1 41. Kc2 Kd6 $2 {A mistake that costs the game.} ({Black should try} 41... Kf5 $14) 42. Kc3 $18 Nc7 (42... Nb8 {was called for.} 43. Nb4 Nd7) 43. Nb4 $1 c5 $2 (43... Kc5 44. a6 Kb6) 44. Nd3 Na6 {[#]} 45. Nf2 $1 Ke7 $2 (45... Nb8 46. Ne4+ Kc7 47. Nxc5 Nc6) 46. Ne4 Kd7 47. Kd2 Ke6 $2 (47... Kc8 48. Nf2 Nb4) 48. Kc2 Kd7 49. Kc3 Ke6 50. Kb3 Kd7 {[#]} 51. Ka4 $1 Kc6 52. Nf6 Nc7 (52... Nb8 $142 53. Nxh5 Nd7) 53. Nxh5 Ne6 {If Black can now play ...Nd4 this consolidates a bit.} 54. Nf6 Nd4 55. h5 Nxf3 56. Ne4 Nh4 57. h6 f3 58. h7 {White mates.} Ng6 59. Kb3 Kc7 60. Kc3 Kb7 61. Nxc5+ Ka7 62. Kd3 e4+ 63. Ke3 Nh8 64. Nxe4 Ka6 65. Kxf3 Kxa5 66. Kf4 Kb4 67. c5 {Weighted Error Value: White=0.13/Black=0.52} 1-0

[Event "DSB-Kader-Challenge 2021"]
[Site "Magdeburg"]
[Date "2021.04.07"]
[Round "4.5"]
[White "Kollars, Dmitrij"]
[Black "Svane, Frederik"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "2598"]
[BlackElo "2421"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2021.04.05"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,107,0,0,0,3,-6,12,16,16,16,24,26,21,0,0,0,0,0,10,0,0,0,-3,-47,-44,-35,-33,-48,0,0,0,-81,60,33,38,3,27,-97,-91,-86,-85,-90,-80,-81,-82,-80,-27,-52,-6,-65,-62,-67,-66,-62,-71,-54,-19,-19,-18,-26,-31,-27,0,0,10,0,126,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,286,275,1052,1045,1010,1010,29989,109]} 1. e4 c5 2. Nf3 g6 3. c3 d5 4. e5 Nc6 5. h3 a6 6. d4 {B27: Sicilian: 2 Nf3, unusual Black 2nd moves.} Bg7 7. Bd3 {[#]} cxd4 $146 ({Predecessor:} 7... Qb6 8. Bc2 Nh6 9. dxc5 Qxc5 10. O-O O-O 11. Nbd2 Bf5 12. Nb3 Bxc2 13. Nxc5 Bxd1 14. Rxd1 {1-0 (62) Vazquez,G (2527)-Vakhidov,T (2401) Lichess.org INT 2020}) 8. cxd4 {The position is equal.} f6 9. exf6 Nxf6 10. O-O O-O 11. Nc3 Nh5 12. Bc2 Kh8 13. Bb3 Be6 14. Re1 Qd6 15. Bg5 Bg8 16. Qd3 Nf4 17. Qe3 Ne6 {Hoping for ...Rxf3!} 18. Ne2 $1 {[#]} Rxf3 $1 19. gxf3 Rf8 {[%cal Rc6d4]} 20. Bh4 (20. f4 $11 {remains equal.}) 20... Rf5 ({Black should try} 20... Nexd4 $17 21. Bxe7 (21. Nxd4 Bxd4 22. Bg3 Qf6 $17) 21... Nxf3+ 22. Qxf3 Nxe7) 21. Rad1 $14 Qd7 22. f4 Rh5 {[#]} 23. f5 $1 Rxh4 $17 24. fxe6 Bxe6 25. Nf4 Bg8 {[%mdl 1024] White must now prevent ...Bh6. Black has strong compensation.} (25... Bxh3 26. Nxh3 Rxh3 27. Qe6 $14) 26. Ne6 Bf6 27. Kg2 Qd6 (27... g5 $17 28. f4 gxf4 29. Nxf4 Qf5) 28. f4 $1 $11 h6 29. Rd3 (29. Bc2 $11) 29... g5 {[%cal Rg5f4]} 30. f5 Re4 {[%mdl 64] Double Attack} 31. Qf2 Bxe6 32. fxe6 Rf4 (32... Rxd4 $2 33. Rxd4 Nxd4 34. Qxf6+ $3 {[%mdl 512]} exf6 35. e7 $18) 33. Rf3 Nxd4 34. Rxf4 gxf4 35. Kh1 f3 (35... Nxe6 $6 36. Qg2 $16) 36. Qe3 Bg7 {...Qg3 is the strong threat.} (36... Qg3 $2 37. Qxh6+ Kg8 38. Rg1 $18) 37. Rc1 $1 {[%cal Rc1c8] White wants to mate with Rc8+.} h5 {[#]} ({Not} 37... Qxe6 $2 38. Qxe6 Nxe6 39. Bxd5 $18) (37... Qg3 $6 38. Rc8+ Kh7 39. Qd3+ Qg6 40. Qxg6+ Kxg6 41. Bxd5 $16) (37... Qd8 $11 {keeps the balance.}) 38. Rc8+ ({White should play} 38. Qg5 $1 $16 {[%cal Rg5h5]} Qxe6 39. Qxh5+ Qh6 40. Qxh6+ Bxh6 41. Rc8+ Kg7 42. Bxd5) 38... Kh7 39. Qd3+ Kh6 40. Qe3+ Kh7 41. Qd3+ Kh6 42. Qd2+ Kg6 43. Bc2+ Nxc2 44. Qxc2+ {[%mdl 4096] Endgame KQR-KQB} Kf6 {Strongly threatening ...Qg3.} 45. Qc3+ ({Don't go for} 45. Rg8 $2 Qf4 $19) 45... Qe5 46. Qxf3+ Kxe6 47. Rc2 {Threatens to win with Re2.} Kd6 48. Re2 Qg5 49. Qa3+ Kd7 50. Qb4 b5 {[%mdl 8192]} (50... Ke8 $11) 51. Qc5 $18 Bf6 $2 (51... Qf6) 52. Rc2 {White threatens Qc6+ and mate.} Ke6 53. Qc8+ {[%mdl 64] Double Attack} ({Weaker is} 53. Rg2 Qe5 $18) 53... Kd6 54. Qc6+ {Weighted Error Value: White=0.13/Black=0.42} 1-0

[Event "DSB-Kader-Challenge 2021"]
[Site "Magdeburg"]
[Date "2021.04.08"]
[Round "5.1"]
[White "Svane, Frederik"]
[Black "Fridman, Daniel"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "2421"]
[BlackElo "2601"]
[Annotator "TA"]
[PlyCount "148"]
[EventDate "2021.04.05"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,148,22,23,16,33,27,31,26,32,24,35,26,30,37,38,41,46,47,42,41,42,42,45,42,45,16,60,44,62,43,43,50,50,43,58,66,65,66,66,68,65,23,27,-1,0,0,0,0,12,7,7,9,22,0,0,-64,-59,-229,-221,-230,-194,-364,-283,-277,-11,-19,-20,-20,-20,-18,0,-20,0,0,0,0,0,0,0,0,0,0,0,0,0,-28,-27,-30,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-20,-20,-27,-23,-26,-8,-8,-8,-533,-560,-420,-115,-115,-112,-112,-112,-112,-112,-580,-580,-580,-573,-868,-744,-2097,-1928,-29981,-29982,-29983,-29983,-29983,-29983,-29992,-29993,-29993,-29994]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Nf6 5. c3 Nc6 6. Ne5 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} g6 7. Bb5 Bd7 8. Nxd7 {White is slightly better.} Qxd7 9. O-O Bg7 10. Nd2 O-O 11. Nf3 Qc7 {[#]} 12. g3 $146 ({Predecessor:} 12. Re1 e6 13. Qe2 Ne7 14. Ne5 Nf5 15. Bd3 a6 16. Bf4 Bh6 17. Qd2 Bxf4 18. Qxf4 {½-½ (31) Favarel,J (2366)-Villegas,P (2349) Condom 2019}) 12... Rad8 13. Bf4 Qb6 14. Qe2 e6 15. h4 Rfe8 16. Rfe1 a6 17. Bd3 Nh5 18. Bg5 Rc8 19. Be3 Qc7 20. Rad1 Bf8 21. Bc1 f6 22. Qf1 Bd6 23. Qh3 Qf7 24. Re3 Rc7 25. Rde1 {[%cal Re3e6]} Rce7 26. Nh2 Kh8 27. Bc2 e5 28. dxe5 Nxe5 29. Qg2 $1 f5 30. Nf3 f4 31. Nxe5 Bxe5 32. Rf3 (32. gxf4 $1 $11 Bxf4 33. Rxe7 Rxe7 34. Be3 Bxe3 35. Rxe3) 32... Nxg3 $15 33. Bb3 $2 (33. Bxf4 $1 $15 Bxf4 34. Rxe7 Qxe7 35. fxg3 Qe1+ 36. Rf1 Qxg3 37. Qxg3 Bxg3 38. Bb3) 33... Nf5 $19 34. Qh3 Qf6 35. Bxd5 $2 (35. Bd2 {was necessary.}) 35... Nxh4 36. Rd3 f3 $2 ({Black should try} 36... g5 $19 {Threatens to win with ...g4!} 37. Qg4 Qg6) 37. Re4 $11 g5 38. Qg4 $1 h6 39. Be3 Qg6 40. Rd1 Bh2+ 41. Kxh2 Rxe4 42. Bxe4 Qxe4 43. Qh5 Qg6 44. Qxg6 Nxg6 {[%mdl 4096] Endgame KRB-KRN} 45. Kg3 Kg7 46. Rd6 Re7 47. b3 Nh4 {White must now prevent ...Nf5+.} 48. Bd4+ Kh7 {And now ...Nf5+ would win.} (48... Kg8 $5 {[%cal Rh4f5]} 49. Rb6 Rf7 $11) 49. Rf6 Re4 50. Be3 Kg7 51. Rb6 Re7 52. Bd4+ Kh7 53. Rf6 Re4 54. Be3 Kg7 55. Rb6 Re7 56. Bd4+ Kh7 57. Bf6 Re4 58. Bd4 $1 Rf4 {Hoping for ...Nf5+.} 59. Rxb7+ Kg6 {aiming for ...Nf5+.} 60. Rb6+ Kh5 61. Rxa6 $2 {[%mdl 8192]} (61. Rf6 $11 {and White has nothing to worry.} Nf5+ {[%mdl 64] Double Attack} 62. Kh2) 61... Nf5+ $19 {[%mdl 64] [#] Double Attack} 62. Kh2 Rh4+ $2 (62... Nxd4 $19 63. cxd4 Rg4) 63. Kg1 $17 Rg4+ 64. Kf1 Nxd4 65. cxd4 Rxd4 {[%cal Rd4d1] KR-KR} 66. Ke1 $2 {[%mdl 8192]} (66. Kg1 $17 {nothing else works.}) 66... Re4+ $19 67. Kf1 {[#]} Re2 $1 68. Kg1 Kg4 69. a3 h5 70. Rd6 Kh3 {[%cal Re2e1] Black mates.} 71. Rd1 g4 72. b4 g3 73. Rf1 gxf2+ 74. Rxf2 Kg3 {Weighted Error Value: White=0.12/Black=0.14} 0-1

[Event "DSB-Kader-Challenge 2021"]
[Site "Magdeburg"]
[Date "2021.04.08"]
[Round "5.2"]
[White "Huschenbeth, Niclas"]
[Black "Kollars, Dmitrij"]
[Result "1-0"]
[ECO "C58"]
[WhiteElo "2604"]
[BlackElo "2598"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2021.04.05"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,95,29,39,23,31,38,0,56,56,75,62,95,91,127,98,83,85,80,77,137,0,138,134,145,139,128,132,138,130,131,132,135,139,141,114,113,79,150,141,133,144,143,142,215,214,220,129,136,134,156,131,135,70,71,67,79,64,67,66,68,76,100,103,64,104,230,227,262,275,278,273,267,204,699,690,990,937,1895,1739,29986,29987,29987,5026]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Bd3 Nd5 {C58: Two Knights: 4 Ng5 d5 5 exd5 Na5 sidelines.} 9. h4 Qc7 10. Nc3 Nf4 {[#]} (10... h6 $11 11. Nxd5 cxd5) 11. Be4 $146 ({Predecessor:} 11. Bf1 h6 12. Nf3 Bd6 13. d4 exd4 14. Nxd4 O-O 15. Be3 Re8 16. Qf3 h5 17. Qd1 {0-1 (27) Martin Duque,J (2454)-Diermair,A (2487) Bassano del Grappa 2021}) 11... h6 12. Nf3 Bg4 {aiming for ...f5.} 13. d4 $1 Bb4 14. Bxf4 (14. dxe5 $6 Rd8 $14) 14... exf4 15. Qd3 O-O 16. Ne5 $1 {[%cal Re5g4]} Be6 (16... Bh5 $142) 17. Bh7+ $16 Kh8 {Hoping for ...c5.} 18. Bf5 $1 {[%cal Rf5e6]} c5 19. Bxe6 cxd4 20. Qxd4 {[%mdl 64] Double Attack} Bxc3+ 21. Qxc3 ({Don't play} 21. bxc3 $6 Rfe8 $14) 21... Qxc3+ 22. bxc3 Rae8 {[#]} 23. O-O-O $1 Rxe6 24. Rhe1 $36 {[%mdl 2048] White has strong initiative.} Kg8 25. Nd7 Rfe8 (25... Rxe1 $142 26. Rxe1 Rc8) 26. Rxe6 Rxe6 {[%mdl 4096] Endgame KRN-KRN} 27. Rd4 Re1+ 28. Kd2 Rg1 (28... Re7 $16 {might work better.} 29. h5 f6) 29. Ra4 $18 ({Resist} 29. Rxf4 $6 Rxg2 30. Ne5 f6 $16) 29... Nc6 30. Ra6 ({Not} 30. Rxf4 Rxg2 31. Rc4 Ne7 $14) ({Better is} 30. Rc4 $1 $18 {[%cal Rc4c6]}) 30... Nd8 $16 31. Rxa7 {Threatens to win with Ra8.} Ne6 32. Ke2 Rxg2 33. a4 ({White should play} 33. Ne5 $16) 33... g5 $1 $14 34. hxg5 Rxg5 35. a5 h5 36. a6 {Strongly threatening Rb7.} Ra5 37. Kf3 Kg7 38. c4 {[%cal Bc3c4,Bc4c5][%mdl 32]} Ra3+ 39. Kg2 h4 {A mistake that costs the game.} (39... Ra5 $16) 40. c5 $1 $18 h3+ 41. Kh2 Ng5 {White must now prevent ...Rf3.} 42. Ne5 Kf6 {[#]} 43. Nd3 {c6 is the strong threat.} Ra5 $2 (43... Nf3+ 44. Kxh3 Ne5) 44. Rb7 Kf5 45. a7 Ra1 46. c6 Kg4 47. Ne5+ {[%mdl 64] Double Attack} Kh4 48. Rb8 {Weighted Error Value: White=0.07/Black=0.55} (48. c7 $142 f6 49. Ng6+ Kh5 50. Nxf4+ Kh4 51. Ng6+ Kh5 {[#]} 52. c8=Q $1 Ra6 53. Qf5) 1-0

[Event "DSB-Kader-Challenge 2021"]
[Site "Magdeburg"]
[Date "2021.04.08"]
[Round "5.3"]
[White "Engel, Luis"]
[Black "Svane, Rasmus"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "2553"]
[BlackElo "2613"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2021.04.05"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,94,8,-12,-11,-13,-15,-26,-2,-20,-27,-24,17,-31,-10,-39,-37,-31,-31,-38,-15,-17,-18,-17,-31,-42,-42,-38,-33,-27,-14,-16,-19,-20,-10,-4,0,0,0,0,12,0,14,0,0,0,0,0,0,0,0,0,0,0,0,0,4,4,6,5,5,4,12,0,0,0,0,0,8,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nc3 Nf6 3. g3 d5 4. exd5 Nxd5 5. Bg2 Nxc3 6. bxc3 Nc6 7. Nf3 Bd6 8. O-O O-O 9. d3 Rb8 {C47: Scotch Four Knights and Four Knights with 4 g3.} 10. Rb1 h6 11. Re1 Be6 {Black has an edge.} 12. c4 {[#]} Qd7 $146 ({Predecessor:} 12... Qc8 13. Bb2 Bg4 14. Qc1 f6 15. Nh4 Ne7 16. Ba3 c5 17. Bb2 b6 18. Bc3 Qd7 {1-0 (38) Kosanovic,G (2430)-Savic,M (2294) Borovo 2001}) 13. Bb2 {[%cal Rf3e5]} Bg4 14. Bc3 (14. h3 $5 Bxh3 15. Nxe5 Nxe5 16. Bxh3 Qxh3 17. Bxe5 $11) 14... b6 15. Qc1 {[%cal Rf3e5]} f6 16. Qb2 Bc5 17. Nd2 Nd4 18. Bxd4 Bxd4 19. c3 Bc5 20. d4 exd4 21. Bd5+ Kh8 22. cxd4 {[#]} c6 $1 23. dxc5 {aiming for Bf3.The position is equal.} cxd5 24. cxb6 dxc4 25. Nxc4 axb6 26. Nxb6 Qb7 {[#] ...Bh3 is the strong threat.} 27. Nc4 Qa7 28. Qd2 Rbd8 29. Qf4 Rd4 30. Qe3 Rfd8 31. Qb3 Qc5 32. Rbc1 Qh5 33. Ne3 Bf3 34. Rc4 Rd3 35. Rc3 Rd2 (35... Rxc3 {with more complications.} 36. Qxc3 Ba8 37. Qc7 Rg8 38. Qf4 Qa5) 36. Nf1 Rd1 37. Rxd1 Bxd1 38. Qb6 Re8 39. Re3 Rc8 40. Qb7 Bg4 41. Re7 {And now h3 would win.} Rg8 (41... Rc1 {looks sharper.} 42. Qb8+ Rc8 43. Qb7) 42. a4 (42. Ne3 {feels hotter.} Bf3 43. Qb4 Bc6 44. g4 Qh3 45. Qf4) 42... Bf3 43. Qb5 (43. Qd7 {seems wilder.} Qc5 44. Re8 Bc6 45. Rxg8+ Kxg8 46. Qe6+) 43... Qxb5 44. axb5 Rb8 45. Nd2 Bd5 46. Ne4 Bxe4 47. Rxe4 Rxb5 {Weighted Error Value: White=0.06/Black=0.05} 1/2-1/2

[Event "DSB-Kader-Challenge 2021"]
[Site "Magdeburg"]
[Date "2021.04.08"]
[Round "5.4"]
[White "Wagner, Dennis"]
[Black "Heimann, Andreas"]
[Result "1/2-1/2"]
[ECO "D40"]
[WhiteElo "2581"]
[BlackElo "2606"]
[Annotator "ChessBase"]
[PlyCount "80"]
[EventDate "2021.04.05"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 3. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 4. Nc3 {[%emt 0:00:09]} c5 {[%emt 0:00:00]} 5. e3 {[%emt 0:01:51]} a6 {[%emt 0:00:31]} 6. cxd5 {[%emt 0:00:35]} exd5 {[%emt 0:00:09]} 7. b3 {[%emt 0:01:54]} cxd4 {[%emt 0:16:07]} 8. Nxd4 {[%emt 0:04:56]} Bb4 {[%emt 0:00:06]} 9. Bd2 {[%emt 0:03:36]} Nc6 {[%emt 0:00:14]} 10. Nxc6 {[%emt 0:02:40]} bxc6 {[%emt 0:00:19]} 11. Bd3 {[%emt 0:13:49]} Ng4 {[%emt 0:07:35]} 12. Ne2 {[%emt 0:08:34]} Qh4 {[%emt 0:17:22]} 13. Ng3 {[%emt 0:32:39]} Nxf2 {[%emt 0:05:40]} 14. Kxf2 {[%emt 0:00:05]} Bxd2 {[%emt 0:00:05]} 15. Qxd2 {[%emt 0:00:06]} Qf6+ {[%emt 0:00:25]} 16. Bf5 {[%emt 0:00:04]} Bxf5 {[%emt 0:01:09]} 17. Qd4 {[%emt 0:00:05]} Qxd4 {[%emt 0:15:20]} 18. exd4 {[%emt 0:00:02]} Bg6 {[%emt 0:03:33]} 19. h4 {[%emt 0:05:04]} O-O-O {[%emt 0:05:56]} 20. Rhe1 {[%emt 0:06:28]} Rhe8 {[%emt 0:03:17]} 21. Rac1 {[%emt 0:01:34]} Kc7 {[%emt 0:01:56]} 22. Rxe8 {[%emt 0:03:45]} Rxe8 {[%emt 0:00:05]} 23. Rc3 {[%emt 0:02:34]} Kd6 {[%emt 0:06:48]} 24. Re3 {[%emt 0:04:11]} Re6 {[%emt 0:00:31]} 25. Rxe6+ {[%emt 0:02:08]} fxe6 {[%emt 0:04:53]} 26. b4 {[%emt 0:00:11]} Be4 {[%emt 0:05:15]} 27. Nh5 {[%emt 0:00:21]} e5 {[%emt 0:00:51]} 28. Ke3 {[%emt 0:00:02]} Bxg2 {[%emt 0:03:45]} 29. Nxg7 {[%emt 0:00:05]} Bh3 {[%emt 0:00:37]} 30. Ne8+ {[%emt 0:02:13]} Ke7 {[%emt 0:01:09]} 31. Nc7 {[%emt 0:00:04]} Bc8 {[%emt 0:00:54]} 32. Na8 {[%emt 0:03:18]} Kd6 {[%emt 0:00:40]} 33. Nb6 {[%emt 0:00:41]} Bh3 {[%emt 0:00:39]} 34. Na4 {[%emt 0:01:01]} Bf1 {[%emt 0:00:14]} 35. Nc5 {[%emt 0:00:03]} h6 {[%emt 0:00:28]} 36. a4 {[%emt 0:01:35]} Bc4 {[%emt 0:00:24]} 37. Nb7+ {[%emt 0:00:52]} Kc7 {[%emt 0:00:37]} 38. Nc5 {[%emt 0:00:10]} Kd6 {[%emt 0:00:15]} 39. Nb7+ {[%emt 0:00:05]} Kc7 {[%emt 0:00:52]} 40. Nc5 {[%emt 0:00:04]} Kd6 {[%emt 0:00:38]} 1/2-1/2

[Event "DSB-Kader-Challenge 2021"]
[Site "Magdeburg"]
[Date "2021.04.08"]
[Round "5.5"]
[White "Donchenko, Alexander"]
[Black "Bluebaum, Matthias"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2659"]
[BlackElo "2670"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2021.04.05"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,80,1,6,10,0,-15,-12,-46,-45,-54,-47,-65,-61,-72,-76,-72,-46,-43,-52,-45,-34,-71,-9,-33,0,0,0,-17,0,-6,0,-25,-6,-15,-14,-31,-4,-66,-14,-14,-17,-17,10,10,7,4,10,6,5,14,8,12,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c6 2. d4 d5 3. e5 c5 4. Nf3 cxd4 5. Qxd4 Nc6 6. Qf4 {B12: Caro-Kann: Advance Variation.} e6 {[#]} 7. c3 $146 ({Predecessor:} 7. Bd3 Nb4 8. O-O Nxd3 9. cxd3 Ne7 10. Nc3 Ng6 11. Qg3 Be7 12. Ne2 O-O 13. Ned4 {1-0 (22) Zhigalko,S (2572)-Grandelius,N (2663) Chess.com INT 2021}) 7... Qc7 8. Be3 f6 9. Bb5 Nge7 10. Bd4 Nf5 {aiming for ...g5.} 11. Qd2 Be7 12. O-O a6 13. Ba4 Nfxd4 14. cxd4 b5 15. exf6 {[#]} Bxf6 ({Much weaker is} 15... gxf6 16. Bb3 $11) (15... Bb4 $1 $17 {[%cal Rb4d2]} 16. fxg7 Qxg7) 16. Bc2 Qb6 {[%cal Rc6d4]} 17. Rd1 O-O 18. Nc3 Ra7 19. Ne2 Raf7 20. Rf1 e5 {Hoping for ...e4.} 21. Bb3 Be6 22. Rad1 Kh8 23. Qe3 (23. Rfe1 $11) 23... Nxd4 (23... e4 $15 24. Nf4 Ne7) 24. Nexd4 $11 {The position is equal.} exd4 25. Nxd4 Re7 {[#] White must now prevent ...Bg4.} 26. Nxe6 Qxe3 27. fxe3 Rxe6 28. Rf3 Rfe8 29. Rxd5 Rxe3 30. Rxe3 Rxe3 {[%mdl 4096] Endgame KRB-KRB} 31. Kf2 Re8 32. Rd2 g6 33. Bd5 Rd8 34. b3 Kg7 35. Rd3 a5 36. a4 bxa4 37. bxa4 Be7 38. Be4 Bc5+ 39. Ke2 Rxd3 40. Kxd3 Kf6 {Weighted Error Value: White=0.10/Black=0.09} 1/2-1/2

[Event "DSB-Kader-Challenge 2021"]
[Site "Magdeburg"]
[Date "2021.04.09"]
[Round "6.1"]
[White "Fridman, Daniel"]
[Black "Bluebaum, Matthias"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2601"]
[BlackElo "2670"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2021.04.05"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,64,29,26,29,33,29,29,29,34,25,32,24,35,26,24,31,29,26,23,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-15,-11,-10,-1,-2,0,0,0,-7,0,-5,0,-19,0]} 1. d4 Nf6 2. Nf3 d5 3. Bf4 c5 4. e3 Nc6 5. Nbd2 cxd4 6. exd4 Bg4 7. c3 e6 8. Qb3 Qc8 9. Bd3 Bh5 10. O-O Be7 11. Rfe1 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} Bg6 $1 {[%mdl 4] is currently scoring better than 11...0-0.} 12. Bxg6 hxg6 13. Rac1 {White has an edge.} Nh5 14. Be3 {[#]} O-O $146 ({Predecessor:} 14... Qd7 15. c4 Nf6 16. c5 O-O 17. Ne5 Nxe5 18. dxe5 Ng4 19. Bd4 Bg5 20. Rc2 Nh6 {1-0 (58) Fuchs,J (1631)-Steppan,S (1453) Berlin 2014}) 15. c4 Qd7 16. cxd5 Na5 17. Qc3 Qxd5 18. Ne5 Nf6 19. b4 Nc6 {The position is equal.} 20. Nxc6 Qxc6 21. Qxc6 bxc6 22. a3 a5 $1 23. bxa5 Rxa5 24. Rxc6 Rxa3 25. Nf3 Nd5 26. Bd2 Bf6 27. Rec1 Ra2 28. R6c2 Ra4 29. Rc4 Ra2 30. R4c2 Ra4 31. Rc4 Ra2 32. R4c2 Ra4 {Not much happened in this game.  Weighted Error Value: White=0.03/Black=0.02} 1/2-1/2

[Event "DSB-Kader-Challenge 2021"]
[Site "Magdeburg"]
[Date "2021.04.09"]
[Round "6.2"]
[White "Heimann, Andreas"]
[Black "Donchenko, Alexander"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2606"]
[BlackElo "2659"]
[Annotator "TA"]
[PlyCount "130"]
[EventDate "2021.04.05"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,130,9,14,14,5,0,0,0,6,0,0,11,0,0,-6,-3,-4,-6,-6,-11,-7,0,0,0,-20,-18,-18,-18,-18,-14,-28,-22,-28,-28,-28,-28,-29,-12,-11,-12,-31,-16,-14,-8,-11,-11,-189,-181,-191,-193,-154,-159,-117,-13,-25,-8,-29,-4,-11,-11,-31,-26,-26,-27,-96,-98,-78,-85,-81,-81,-92,-80,-76,-74,-170,-107,-114,-114,-114,-114,-114,-114,-114,-4,-4,-4,-4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-3,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Be7 8. Bc4 O-O 9. O-O Be6 10. Bb3 Qc8 {[#] 10...b5 is a critical line. B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} 11. Nd5 $146 ({Predecessor:} 11. Qe2 b5 12. Bg5 Nbd7 13. Rfd1 Bc4 14. Bxc4 Qxc4 15. Qxc4 bxc4 16. Bxf6 Nxf6 17. Nd5 Nxd5 18. Rxd5 {½-½ (73) Guliyev,N (2552)-Ziska,H (2533) Le Blanc Mesnil 2019}) 11... Nxd5 12. Bxd5 Bxd5 13. Qxd5 Nd7 14. Qd3 Qc6 15. Rfd1 Rac8 16. Rac1 b5 17. Nd2 Nc5 18. Bxc5 dxc5 19. Nf3 Rfd8 20. Qe2 c4 21. c3 Bf6 22. h3 g6 23. Ra1 a5 24. a3 h5 25. Ne1 Kg7 26. Kf1 Rb8 27. Qe3 Rd6 28. Rxd6 Qxd6 29. Qe2 Qc6 30. Rd1 b4 31. axb4 axb4 32. Nc2 $2 (32. Nf3 $11 {and White has nothing to worry.}) 32... bxc3 $19 33. bxc3 Rb2 34. Nb4 Qa4 ({Resist} 34... Rxe2 35. Nxc6 Rc2 36. Nb4 $11) 35. Qf3 Bg5 (35... Be7 $1 $17 {[%cal Re7c5]} 36. Nd5 f5 $1) 36. Nd5 $11 Qc2 {And now ...Rb1 would win.} 37. Kg1 h4 38. Ra1 Qd3 39. Qxd3 (39. Rd1 {looks sharper.} Qxf3 40. gxf3 Rc2 41. Kg2 Kf8 42. Kf1) 39... cxd3 {[%mdl 4096] Endgame KRB-KRN} 40. Rd1 $1 f5 41. f4 (41. f3 $1 $11 {remains equal.}) 41... Bd8 ({Much weaker is} 41... Bxf4 $6 42. Nxf4 exf4 43. exf5 $11) 42. Rxd3 fxe4 43. Rd1 exf4 {White must now prevent ...Bb6+.} 44. Re1 f3 45. gxf3 exf3 46. Re6 (46. Re8 $17 Bg5 47. c4) 46... Bg5 ({Black should play} 46... g5 $19 47. Rd6 Ba5 48. Rd7+ Kg6) 47. c4 $17 Rg2+ 48. Kf1 Rh2 49. c5 Rxh3 50. Kf2 {[#]} Kf7 (50... Rh2+ $1 $17 51. Kxf3 Rd2) 51. Re5 $11 {The position is equal.} Bf6 52. Re4 g5 53. c6 Rh2+ 54. Kxf3 Rc2 55. c7 h3 {...h2 is the strong threat.} 56. Re2 Rc4 57. Kg3 g4 58. Rf2 Ke6 59. Nxf6 {KRN-KR} Rc3+ 60. Kxg4 {Hoping for Ne8.} h2 $1 {[%cal Rh2h1]} 61. Rxh2 {Threatens to win with Rh6.} Kxf6 62. Rh6+ Ke7 63. Rh8 Rxc7 64. Rh7+ Kd6 65. Rxc7 Kxc7 {Weighted Error Value: White=0.11/Black=0.11} 1/2-1/2

[Event "DSB-Kader-Challenge 2021"]
[Site "Magdeburg"]
[Date "2021.04.09"]
[Round "6.3"]
[White "Svane, Rasmus"]
[Black "Wagner, Dennis"]
[Result "1/2-1/2"]
[ECO "C83"]
[WhiteElo "2613"]
[BlackElo "2581"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2021.04.05"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,97,31,35,29,47,66,70,56,30,30,28,16,18,15,18,20,27,0,8,12,4,-85,-84,-84,-62,-155,-131,-166,-148,-127,-105,-114,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 Nc5 11. Bc2 d4 12. Nb3 {[%cal Rb3d4] C83: Open Ruy Lopez: 9 c3 Be7.} d3 13. Bb1 Nxb3 14. axb3 {White is slightly better.} Bf5 15. Be3 O-O 16. Bd4 Qd5 (16... Nxd4 17. Nxd4 (17. cxd4 Be4 $14) 17... Bg6 18. b4 $16 (18. Bxd3 Bxd3 19. Nc6 Qe8 $14)) 17. Re1 Rfd8 18. h4 d2 {[#]} 19. Bxf5 $146 (19. Qxd2 {keeps more tension.} Bxb1 20. Raxb1 Qxb3 21. e6 fxe6 22. Qf4) ({Predecessor:} 19. Qxd2 Bxb1 20. Raxb1 Qxb3 21. e6 fxe6 22. Qf4 e5 23. Nxe5 Bd6 24. Qe4 Bxe5 25. Bxe5 Nxe5 26. Qxe5 Qf7 27. g3 Rd2 28. Re2 Rxe2 29. Qxe2 Re8 30. Qd3 {½-½ (30) Rach,J (2384)-Perez Fernandez,J (2402) ICCF email 2018}) 19... dxe1=Q+ ({Much worse is} 19... Nxd4 $6 20. Nxd4 dxe1=N 21. Qxe1 $16) 20. Qxe1 Qxb3 ({Reject} 20... Nxd4 $6 21. Nxd4 c5 22. Be4 $1 $16) 21. Qe4 (21. e6 $11 {keeps the balance.}) 21... Nxd4 $17 ({Don't blunder} 21... Qxb2 $2 22. Rb1 $18) 22. Nxd4 Qxb2 23. Rf1 (23. Bxh7+ $15 Kh8 24. Rf1) 23... Qxc3 24. Nc6 Kf8 25. Bxh7 a5 26. h5 a4 ({Better is} 26... Re8 $17 {White must now prevent ...Ra6.} 27. Bf5 {[#]} Bd6 $1 {[%mdl 512]}) 27. h6 $1 $11 {[%cal Rh6g7] The position is equal.} gxh6 {Threatens to win with ...a3.} 28. Nxe7 Kxe7 29. Qh4+ $1 Ke8 30. Qf6 Rab8 {Hoping for ...Rb6.} 31. Qh8+ Ke7 32. Qf6+ {[%mdl 64] Double Attack} Ke8 {Strongly threatening ...Rb6.} 33. Bg6 fxg6 34. Qxg6+ Kf8 35. Qxh6+ Kg8 36. Qg5+ Kf8 {...Rd7 is the strong threat.} 37. Rc1 Qd2 38. Qf6+ Ke8 $1 39. Qe6+ Kf8 40. Qf6+ Ke8 $1 41. Qe6+ Kf8 42. Qf5+ Ke7 43. Rxc7+ Rd7 44. Qf6+ Ke8 45. Qh8+ Ke7 46. Qh4+ Ke8 47. Qh8+ Ke7 48. Qf6+ Ke8 49. Qh8+ {Weighted Error Value: White=0.10/Black=0.05} 1/2-1/2

[Event "DSB-Kader-Challenge 2021"]
[Site "Magdeburg"]
[Date "2021.04.09"]
[Round "6.4"]
[White "Kollars, Dmitrij"]
[Black "Engel, Luis"]
[Result "1-0"]
[ECO "B69"]
[WhiteElo "2598"]
[BlackElo "2553"]
[Annotator "TA"]
[PlyCount "137"]
[EventDate "2021.04.05"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,137,42,35,33,41,59,17,18,6,84,100,94,101,98,92,150,113,91,85,222,189,316,309,353,353,353,353,353,353,353,352,345,353,393,394,393,266,265,220,236,231,226,233,332,321,347,336,329,317,370,357,366,376,372,362,270,263,258,246,249,249,301,299,297,279,281,277,290,215,215,213,249,204,204,147,147,139,425,412,477,195,200,0,424,316,343,335,452,296,12839,12840,12842,12841,12847,12845,12847,12846,12850,12846,12839,623,12167,11373,29958,29962,7466,4523,29958,29964,29963,29959,29985,29986,29971,12359]} 1. e4 c5 2. Nf3 Nf6 3. Nc3 d6 4. d4 cxd4 5. Nxd4 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 Be7 10. Nf3 b5 11. Bxf6 gxf6 12. Kb1 Qb6 13. Bd3 O-O-O {B69: Sicilian: Richter-Rauzer: 7...a6 8 0-0-0 Bd7 9 f4 Be7 10 Nf3 b5 11 Bxf6.} 14. Rhe1 Kb7 15. f5 h5 {The position is equal.} 16. Ne2 {[%cal Bc3e2,Be2f4,Bf4d3,Bd3c5][%mdl 32] [#]} Qc5 $146 (16... Bf8 $11) ({Predecessor:} 16... Bf8 17. Qc3 Ne5 18. Ned4 Rc8 19. Qb3 Nxf3 20. Nxf3 Bh6 21. fxe6 fxe6 22. e5 fxe5 {0-1 (56) Mishra,A (2342)-Divya,D (2305) Lichess.org INT 2020}) 17. Nf4 $16 Bf8 18. Qe2 Rc8 19. c3 h4 (19... Qb6 $142) 20. fxe6 fxe6 21. Bc2 Bh6 (21... Ne5 $16 {was necessary.}) 22. Nd3 $1 $18 {[%cal Rd3c5]} Qh5 (22... Qb6 $142 23. e5 Nxe5) 23. e5 $1 fxe5 {[#]} 24. Nc5+ $1 {[%mdl 576] Discovered Attack} dxc5 25. Rxd7+ Rc7 {[#]} 26. Be4 $1 {[%mdl 512]} Rxd7 27. Bxc6+ Kc7 28. Bxd7 Qf5+ 29. Ka1 Rd8 30. Bxb5 axb5 31. Nxh4 Qf4 {[#]} 32. g3 {[%cal Rg3f4]} (32. Qxb5 $6 Qxh4 33. Qxc5+ Kd7 $16) 32... Qd2 {Hoping for ...Qxe2.} 33. Qxe5+ {[%mdl 64] Double Attack} Kb6 (33... Qd6 {might work better.} 34. Qe2 Qd2) 34. a3 (34. Qxe6+ Rd6) 34... b4 35. cxb4 (35. Qxe6+ Rd6) 35... cxb4 36. Nf3 Qd3 37. Qxe6+ Rd6 38. Ne5 Qd1+ 39. Rxd1 Rxe6 {[%mdl 4096] Endgame KRB-KRN} 40. Ng4 Bg7 41. Rd3 bxa3 42. Rxa3 Re2 43. Rb3+ Kc5 44. Ka2 Bd4 45. h4 Re6 46. h5 Kc4 47. Rb8 Ra6+ 48. Kb1 Ra5 49. h6 Rg5 {[#]} 50. h7 $1 Rh5 $2 {[%mdl 8192]} (50... Rxg4 $16 51. Ra8 Re4) 51. Rb7 Rh3 52. Rc7+ (52. Kc2 $142) 52... Kb3 {[#] intending ...Rh1+.} 53. Rb7+ $2 (53. Kc1 $1) 53... Kc4 54. Ka2 Kc5 55. Rd7 Kc4 56. Re7 Rxg3 $2 {[#]} (56... Kb4 57. Rb7+ Kc4 58. Rc7+ Kd5 59. Rd7+ Kc5) 57. Ne3+ $1 {[%mdl 512]} Kc5 58. Nf5 Rh3 59. Nxd4 Kxd4 {KR-KR} 60. Rc7 Kd5 61. Kb1 Kd6 62. Ra7 (62. Rg7 $142 Rh2 63. Kc1 (63. b4 Kc6 $11)) 62... Kc5 63. Kc2 ({Weaker is} 63. b4+ Kxb4 64. Kc2 Kc5 $11) 63... Kc4 64. Kd2 ({Not} 64. b4 Kxb4 65. Rc7 Kb5 $11) 64... Kd4 65. Rd7+ Kc4 66. Ke2 {White mates.} Kb4 67. Kf2 Kb3 68. Kg2 Rh6 69. Kg3 {Weighted Error Value: White=0.27/Black=0.32} 1-0

[Event "DSB-Kader-Challenge 2021"]
[Site "Magdeburg"]
[Date "2021.04.09"]
[Round "6.5"]
[White "Svane, Frederik"]
[Black "Huschenbeth, Niclas"]
[Result "1-0"]
[ECO "C48"]
[WhiteElo "2421"]
[BlackElo "2604"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2021.04.05"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,111,13,12,19,18,-12,17,-2,0,-7,0,0,0,0,0,0,0,-35,-34,-35,-45,-32,-33,-40,-43,-50,-42,-56,-40,-91,-91,-87,-59,-68,-68,-85,-52,-88,-88,-88,-82,-102,-95,-126,-115,-116,-108,-112,-122,-167,-164,-173,-166,-176,-40,-43,-52,-37,-38,-39,-42,-43,-22,-21,-11,-64,-24,-36,157,79,90,79,86,74,73,89,76,83,79,66,85,62,191,188,206,204,365,306,327,316,499,477,569,543,565,534,29972,29967,5110,3183,29984,29982,29996,29997]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bd6 5. O-O O-O 6. d3 {C48: Four Knights: 4 Bb5, replies other than 4...Bb4.} h6 7. Ne2 Re8 {The main line 7...Re8 scores better than 7...a6.} 8. c3 {The position is equal. has lost popularity (8.Ng3).} a6 9. Ba4 Bf8 10. Ng3 d5 11. exd5 Qxd5 12. Re1 Bg4 {[#]} 13. h3 $146 (13. Bb3 $5 {[%cal Rb3d5]} Bxf3 14. Bxd5 Bxd1 15. Bxc6 bxc6 16. Rxd1 $11) ({Predecessor:} 13. Bb3 Qd6 14. h3 Be6 15. Ba4 b5 16. Bc2 Rad8 17. Qe2 Nd7 18. b4 f5 19. Nh4 {1-0 (41) Radulski,J (2574)-Jens,J (2386) Tromsoe 2010}) 13... Bxf3 14. Qxf3 Qxf3 15. gxf3 Rad8 16. Rd1 Nd5 17. Kf1 Re6 18. Bb3 Rf6 19. Bxd5 (19. Kg2 $15) 19... Rxd5 $17 20. Ke2 g6 21. h4 h5 22. Rg1 Bg7 23. Bg5 Re6 24. Rad1 f6 25. Bc1 f5 26. Kd2 Kf7 27. Kc2 Bf6 28. Rh1 b5 29. f4 b4 $1 {aiming for ...exf4.} 30. Ne2 bxc3 31. bxc3 Rc5 (31... Ra5 $19 32. a3 e4 33. dxe4 Rxe4 34. Rd7+ Ke8) 32. fxe5 $1 $15 Rexe5 33. Be3 {And now d4 would win.} Ra5 34. Ra1 Ra3 35. d4 Re4 36. Nf4 Na5 {With the idea ...c5!} 37. Bd2 (37. Nd5 $11) 37... Nc4 (37... c5 $5 {[%cal Rc5d4]} 38. f3 Re8 39. dxc5 Nc4 $17) 38. Bc1 Be7 $2 (38... Ra5 $15 {keeps the upper hand.}) 39. Kd3 (39. f3 $142 Ne3+ 40. Kd3 Rxf4 41. Bxa3 (41. Kxe3 Rxc3+ 42. Kxf4 Bd6+ 43. Kg5 Kg7 $11)) 39... Ra4 $16 40. f3 $36 {[%mdl 2048] Black is under strong pressure.} Ne5+ 41. dxe5 Rxf4 42. Bxf4 Rxf4 {[%mdl 4096] Endgame KRR-KRB} 43. Rh3 Bxh4 44. Rb1 $1 a5 45. Rb5 Ra4 {[#]} (45... Be1 $14) 46. Rc5 $1 $18 Bd8 47. Rh2 h4 $2 (47... Ke6 {was worth a try.} 48. Rb2 Rf4) 48. Rd5 Be7 49. Rd4 Ra3 (49... Rxd4+ $142 50. cxd4 Ke6) 50. Rd7 Ke6 51. Rxc7 g5 52. f4 g4 {[#]} 53. Rb2 $1 {[%cal Rb2b6]} Bb4 54. Kd4 h3 55. cxb4 g3 56. Rbc2 {[%cal Rc2c6] Quite a comeback for White.  Weighted Error Value: White=0.09/Black=0.56} 1-0

[Event "DSB-Kader-Challenge 2021"]
[Site "Magdeburg"]
[Date "2021.04.09"]
[Round "7.1"]
[White "Huschenbeth, Niclas"]
[Black "Fridman, Daniel"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2604"]
[BlackElo "2601"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2021.04.05"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,84,17,25,30,8,16,12,122,27,72,0,0,0,5,16,11,18,83,67,124,78,86,36,39,35,47,42,21,0,0,0,116,78,115,118,106,132,115,128,79,-299,-41,-198,-199,-203,-199,-209,-207,-213,-208,-312,-331,-384,-386,-379,-368,-553,-559,-625,-624,-611,-602,-675,-646,-685,-683,-704,-295,-687,-689,-1190,-1154]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 f6 7. h4 fxe5 8. dxe5 {has lost popularity (8.h5).} Nd7 {B12: Caro-Kann: Advance Variation.} 9. Nd4 Bf7 10. f4 c5 {[#]} (10... Qc7 $11) 11. Nf3 (11. Nxe6 $1 $16 {[%mdl 512]} Bxe6 12. f5) 11... Ne7 12. h5 (12. Ng5 $16) 12... Nc6 {[#]} 13. Bd2 $146 ({Predecessor:} 13. Qe2 Qc7 14. Bd2 O-O-O 15. O-O-O Be7 16. Be1 g5 17. Bg3 gxf4 18. Bxf4 Rhf8 19. Qh2 {0-1 (40) Morozov,E (2304)-Rozum,I (2414) Voronezh 2008}) 13... a6 14. Qe2 Nb6 15. O-O-O Nc4 (15... h6 $11) 16. Be1 $1 $16 b5 (16... Qc7 $14) 17. b3 Nb6 18. Bh4 Qc7 19. Qh2 d4 20. Ne4 {h6 is the strong threat.} Nd5 21. Kb2 c4 22. Nxd4 Ba3+ 23. Kxa3 Qa5+ 24. Kb2 c3+ {[#]} 25. Nxc3 $1 Qxc3+ 26. Kb1 Nxd4 27. Be1 $2 {[%mdl 8192] [#]} (27. Rd3 $16 {stays on course.} Qxc2+ 28. Qxc2 Nxc2 29. Rxd5 $1 (29. Kxc2 Nb4+ 30. Kd2 Nxd3 $14)) 27... Qe3 (27... Nf3 $1 $19 {[%mdl 512]} 28. Qf2 Nxe1 29. Qxe1 Rc8) 28. Bd2 $2 {[#]} ({Better is} 28. Bg2 $15 Rd8 29. Ba5) 28... Nf3 $1 $19 {[%mdl 512]} 29. Bxe3 Nxh2 30. Rxd5 {Black must now prevent Rd6.} Nxf1 31. Rxf1 {Hoping for Rd6.} exd5 32. Bc5 (32. Bd4 {might work better.}) 32... Rc8 33. Bb4 g6 34. h6 Rg8 35. f5 (35. c3 {is a better defense.}) 35... gxf5 36. gxf5 Rg2 37. c3 d4 38. e6 dxc3 39. exf7+ Kxf7 40. Rc1 Rb2+ 41. Ka1 Rh2 42. Bxc3 Rxh6 {Weighted Error Value: White=0.69/Black=0.40} 0-1

[Event "DSB-Kader-Challenge 2021"]
[Site "Magdeburg"]
[Date "2021.04.09"]
[Round "7.2"]
[White "Engel, Luis"]
[Black "Svane, Frederik"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2553"]
[BlackElo "2421"]
[Annotator "ChessBase"]
[PlyCount "95"]
[EventDate "2021.04.05"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 3. c3 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 4. exd5 {[%emt 0:00:00]} Qxd5 {[%emt 0:00:00]} 5. d4 {[%emt 0:00:00]} Bg7 {[%emt 0:00:00]} 6. Be2 {[%emt 0:00:00]} cxd4 {[%emt 0:00:03]} 7. cxd4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:03]} 8. Nc3 {[%emt 0:00:08]} Qd6 {[%emt 0:00:06]} 9. O-O {[%emt 0:02:30]} O-O {[%emt 0:00:17]} 10. Bg5 {[%emt 0:03:21]} Be6 {[%emt 0:26:39]} 11. Rc1 {[%emt 0:11:13]} Nbd7 {[%emt 0:02:16]} 12. Nb5 {[%emt 0:09:34]} Qb6 {[%emt 0:00:06]} 13. Nc7 {[%emt 0:01:05]} Rac8 {[%emt 0:00:13]} 14. Nxe6 {[%emt 0:00:09]} Qxe6 {[%emt 0:00:10]} 15. b3 {[%emt 0:02:43]} Rxc1 {[%emt 0:07:12]} 16. Bxc1 {[%emt 0:00:08]} Nd5 {[%emt 0:04:12]} 17. Bc4 {[%emt 0:05:56]} N7b6 {[%emt 0:00:52]} 18. Bd3 {[%emt 0:04:04]} Rd8 {[%emt 0:05:02]} 19. Qd2 {[%emt 0:03:16]} Qd6 {[%emt 0:07:05]} 20. Qa5 {[%emt 0:02:48]} Qb8 {[%emt 0:01:55]} 21. Re1 {[%emt 0:08:04]} e6 {[%emt 0:05:32]} 22. g3 {[%emt 0:02:59]} Ne7 {[%emt 0:11:12]} 23. Bf4 {[%emt 0:02:07]} Qa8 {[%emt 0:00:05]} 24. Be4 {[%emt 0:06:12]} Nbd5 {[%emt 0:06:21]} 25. Bg5 {[%emt 0:01:39]} Nc6 {[%emt 0:00:08]} 26. Qd2 {[%emt 0:04:11]} Rd7 {[%emt 0:00:21]} 27. Rd1 {[%emt 0:04:12]} Qf8 {[%emt 0:01:32]} 28. h4 {[%emt 0:02:33]} Qb4 {[%emt 0:03:04]} 29. Qc2 {[%emt 0:03:08]} h6 {[%emt 0:09:49]} 30. Bc1 {[%emt 0:02:48]} Nce7 {[%emt 0:03:13]} 31. Bb2 {[%emt 0:01:38]} Qa5 {[%emt 0:00:53]} 32. a3 {[%emt 0:01:02]} Rc7 {[%emt 0:01:38]} 33. Qe2 {[%emt 0:02:07]} Nc3 {[%emt 0:00:56]} 34. Qe1 {[%emt 0:00:56]} f5 {[%emt 0:03:36]} 35. Bd3 {[%emt 0:04:15]} Qd5 {[%emt 0:00:50]} 36. Bc4 {[%emt 0:01:39]} Qxf3 {[%emt 0:00:22]} 37. Bxc3 {[%emt 0:00:08]} Kh7 {[%emt 0:01:34]} 38. Rd3 {[%emt 0:01:12]} Qc6 {[%emt 0:01:10]} 39. Re3 {[%emt 0:01:29]} b5 {[%emt 0:00:30]} 40. Rxe6 {[%emt 0:02:05]} Qb7 {[%emt 0:00:31]} 41. Bf1 {[%emt 0:33:42]} h5 {[%emt 0:02:36]} 42. Ba5 {[%emt 0:00:00]} Rd7 {[%emt 0:00:02]} 43. Bg2 {[%emt 0:00:00]} Nd5 {[%emt 0:00:07]} 44. Qc1 {[%emt 0:00:00]} Bh6 {[%emt 0:04:35]} 45. Qc5 {[%emt 0:00:00]} f4 {[%emt 0:00:03]} 46. Rd6 {[%emt 0:00:00]} fxg3 {[%emt 0:00:06]} 47. Bxd5 {[%emt 0:00:00]} gxf2+ {[%emt 0:00:10]} 48. Kf1 {[%emt 0:00:00]} 1-0

[Event "DSB-Kader-Challenge 2021"]
[Site "Magdeburg"]
[Date "2021.04.09"]
[Round "7.3"]
[White "Wagner, Dennis"]
[Black "Kollars, Dmitrij"]
[Result "0-1"]
[ECO "C78"]
[WhiteElo "2581"]
[BlackElo "2598"]
[Annotator "ChessBase"]
[PlyCount "112"]
[EventDate "2021.04.05"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:04:07]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:03]} 3. Bb5 {[%emt 0:00:00]} a6 {[%emt 0:00:07]} 4. Ba4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:08]} 5. O-O {[%emt 0:00:00]} b5 {[%emt 0:00:30]} 6. Bb3 {[%emt 0:00:00]} Bc5 {[%emt 0:00:12]} 7. c3 {[%emt 0:00:53]} d6 {[%emt 0:00:34]} 8. a4 {[%emt 0:00:37]} Bb7 {[%emt 0:00:29]} 9. d4 {[%emt 0:00:33]} Bb6 {[%emt 0:00:05]} 10. Re1 {[%emt 0:00:10]} O-O {[%emt 0:00:24]} 11. Bg5 {[%emt 0:00:44]} h6 {[%emt 0:00:43]} 12. Bh4 {[%emt 0:00:04]} b4 {[%emt 0:00:12]} 13. Qd3 {[%emt 0:17:40]} Na5 {[%emt 0:00:27]} 14. Bc2 {[%emt 0:28:02]} c5 {[%emt 0:00:42]} 15. cxb4 {[%emt 0:01:26]} cxb4 {[%emt 0:00:43]} 16. Nbd2 {[%emt 0:00:35]} Nc6 {[%emt 0:04:29]} 17. Nb3 {[%emt 0:03:28]} a5 {[%emt 0:11:21]} 18. Rac1 {[%emt 0:02:02]} Ba6 {[%emt 0:04:17]} 19. Qd2 {[%emt 0:08:14]} Rc8 {[%emt 0:12:06]} 20. Bd3 {[%emt 0:03:00]} Bb7 {[%emt 0:00:18]} 21. d5 {[%emt 0:07:47]} Nb8 {[%emt 0:03:17]} 22. Bb5 {[%emt 0:01:39]} Qe7 {[%emt 0:01:31]} 23. Qd3 {[%emt 0:04:24]} g5 {[%emt 0:08:01]} 24. Bg3 {[%emt 0:03:00]} Nh5 {[%emt 0:15:15]} 25. Nfd2 {[%emt 0:00:28]} f5 {[%emt 0:00:49]} 26. exf5 {[%emt 0:02:09]} Rxc1 {[%emt 0:00:34]} 27. Rxc1 {[%emt 0:01:07]} Bc8 {[%emt 0:00:26]} 28. Rxc8 {[%emt 0:07:48]} Rxc8 {[%emt 0:00:03]} 29. Nc4 {[%emt 0:00:30]} Bc7 {[%emt 0:03:11]} 30. Nbd2 {[%emt 0:06:21]} Nd7 {[%emt 0:08:50]} 31. Ne4 {[%emt 0:01:16]} Rf8 {[%emt 0:01:08]} 32. h3 {[%emt 0:01:18]} Ndf6 {[%emt 0:01:38]} 33. Kh2 {[%emt 0:00:34]} Nxe4 {[%emt 0:04:35]} 34. Qxe4 {[%emt 0:00:02]} Ng7 {[%emt 0:00:06]} 35. Ne3 {[%emt 0:00:29]} h5 {[%emt 0:01:02]} 36. f3 {[%emt 0:00:40]} Bb6 {[%emt 0:01:08]} 37. Bf2 {[%emt 0:00:51]} Bxe3 {[%emt 0:02:01]} 38. Bxe3 {[%emt 0:00:01]} Nxf5 {[%emt 0:00:06]} 39. Bb6 {[%emt 0:00:22]} Qg7 {[%emt 0:04:33]} 40. Bxa5 {[%emt 0:00:44]} Nd4 {[%emt 0:00:48]} 41. Bd3 {[%emt 0:08:32]} g4 {[%emt 0:05:21]} 42. fxg4 {[%emt 0:09:39]} Rf4 {[%emt 0:03:41]} 43. Qe3 {[%emt 0:04:23]} hxg4 {[%emt 0:01:16]} 44. Bxb4 {[%emt 0:00:16]} Nf3+ {[%emt 0:04:59]} 45. gxf3 {[%emt 0:00:10]} gxf3 {[%emt 0:00:18]} 46. Bf1 {[%emt 0:05:25]} f2 {[%emt 0:03:12]} 47. Qg3 {[%emt 0:00:11]} Qxg3+ {[%emt 0:00:25]} 48. Kxg3 {[%emt 0:00:01]} Rxb4 {[%emt 0:00:07]} 49. Kxf2 {[%emt 0:00:38]} Rxa4 {[%emt 0:02:29]} 50. b3 {[%emt 0:00:25]} Rf4+ {[%emt 0:01:21]} 51. Kg2 {[%emt 0:01:36]} Kg7 {[%emt 0:00:55]} 52. Bd3 {[%emt 0:00:37]} Kf6 {[%emt 0:03:29]} 53. Kg3 {[%emt 0:00:04]} Kg5 {[%emt 0:00:10]} 54. Be2 {[%emt 0:02:08]} Re4 {[%emt 0:00:24]} 55. Kf3 {[%emt 0:00:05]} Rd4 {[%emt 0:00:05]} 56. Bc4 {[%emt 0:00:04]} Kh4 {[%emt 0:00:16]} 0-1

[Event "DSB-Kader-Challenge 2021"]
[Site "Magdeburg"]
[Date "2021.04.09"]
[Round "7.4"]
[White "Donchenko, Alexander"]
[Black "Svane, Rasmus"]
[Result "1-0"]
[ECO "E06"]
[WhiteElo "2659"]
[BlackElo "2613"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2021.04.05"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,121,2,3,9,18,2,2,2,2,5,3,0,0,0,0,0,0,0,0,0,0,0,41,40,40,39,44,21,38,38,112,112,112,112,112,112,112,112,124,123,126,110,111,103,114,110,106,103,103,97,122,111,152,143,198,196,183,139,204,201,198,136,133,137,194,158,398,389,400,376,393,377,389,364,484,480,1179,1183,1089,1035,29971,29972,29972,29973,29974,29975,29975,29976,29976,29977,29977,29978,29978,29979,29979,29980,29980,29981,29983,29984,29985,29986,29986,29984,29984,29985,29985,29985]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. Nc3 {[%cal Bb1c3,Bc3d1,Bd1e3][%mdl 32]} dxc4 7. Ne5 c5 8. dxc5 Qxd1+ 9. Nxd1 {E06: Closed Catalan: Early deviations.} Bxc5 10. Ne3 c3 11. bxc3 {The position is equal.} Nbd7 12. Nd3 Rb8 13. Nc4 b6 14. Bf4 Bb7 15. Bxb8 Bxg2 16. Bd6 Bxh1 17. Bxf8 Kxf8 18. f3 $1 {[#]} Nd5 $146 ({Predecessor:} 18... Bg2 19. Nf4 Bh1 20. Kf1 b5 21. Nb2 e5 22. Nfd3 Ba3 23. Nd1 e4 24. N3f2 Bxf3 25. exf3 exf3 {1-0 (72) Dubov,D (2699)-Karjakin,S (2752) chess24.com INT 2020}) 19. Nxc5 Nxc5 20. Kf2 Bxf3 $1 21. Kxf3 Nxc3 $14 {[%mdl 4096] Endgame KRN-KNN} 22. Rc1 Nxa2 (22... Nb5 $14) 23. Ra1 $16 Nc3 24. Rxa7 Nb5 25. Ra8+ Ke7 26. Nxb6 Nd4+ 27. Kf2 Nf5 28. Ra7+ Kf6 29. Kg2 Nd6 30. Kf3 g6 31. Rc7 Nce4 32. Nd7+ Kg7 33. Rc6 Nd2+ 34. Kf4 Nf5 (34... N2c4 $16 35. e4 e5+ 36. Kf3 (36. Nxe5 g5+ {[%mdl 64] Decoy} 37. Kxg5 f6+ 38. Kh5 fxe5 $14) 36... Nd2+ 37. Ke3 N2xe4 38. Nxe5 Kf6) 35. Rc2 $18 Nb3 36. e3 h6 (36... Ne7 $16 37. Ke5 Na5) 37. g4 Ne7 38. Ne5 ({White should try} 38. Ke5 $18) 38... Na5 $16 39. Kf3 g5 (39... Kf8 $16 {is a better defense.} 40. h3 f6) 40. Rc7 Kf6 {[#] This move loses the game for Black.} (40... Kf8 $16 41. h3 f6) 41. Ke4 $1 $18 Nb3 {[#]} 42. Rc2 Kg7 43. Kd3 Nd5 {Threatening ...Nb4+.} 44. Nc6 h5 45. gxh5 Na5 (45... f5 $142 46. Rb2 Nc5+ 47. Kd4 Ne4) 46. Nxa5 (46. h6+ Kxh6 47. Nxa5 Nb4+ 48. Kd2 Nxc2 $18) 46... Nb4+ 47. Kd2 Nxc2 48. Kxc2 {KN-K3P. White mates.} Kh6 49. Nc6 f6 50. Nd4 Kxh5 51. Nxe6 {KN-KPP} Kg4 52. Kd3 Kh3 53. e4 Kxh2 54. Ke3 Kh3 55. Kf3 Kh4 56. Ng7 Kh3 57. Nf5 Kh2 58. Kg4 Kg2 59. Ng3 Kf2 60. Nh5 Ke3 61. Nxf6 {Weighted Error Value: White=0.05/Black=0.36} 1-0

[Event "DSB-Kader-Challenge 2021"]
[Site "Magdeburg"]
[Date "2021.04.09"]
[Round "7.5"]
[White "Bluebaum, Matthias"]
[Black "Heimann, Andreas"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2670"]
[BlackElo "2606"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2021.04.05"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,115,8,12,5,37,33,33,45,44,35,38,34,38,35,31,19,43,38,54,17,23,12,43,35,64,55,61,60,65,60,73,45,46,49,64,35,62,44,66,35,51,22,43,37,46,46,47,42,49,62,62,27,105,98,95,99,126,75,147,133,126,131,178,191,190,131,125,112,132,127,133,109,130,118,131,133,123,110,184,181,292,177,211,206,202,199,164,48,48,34,231,235,308,294,258,264,343,361,314,184,443,425,635,627,657,627,681,670]} 1. d4 d5 2. Nf3 Nf6 3. c3 c6 4. Bf4 Bf5 5. Nh4 Be4 6. Nd2 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} e6 7. Qb3 Qb6 8. f3 {White is slightly better.} Bg6 9. e3 Be7 10. g4 {[#]} c5 $146 ({Predecessor:} 10... Nfd7 11. Nxg6 hxg6 12. c4 a5 13. a3 Qxb3 14. Nxb3 dxc4 15. Bxc4 Nb6 16. Rc1 N8d7 {½-½ (42) Rapport,R (2686)-Sargissian,G (2657) Heraklion 2017}) 11. Nxg6 hxg6 12. h4 Nc6 13. Be2 Nd7 14. g5 Rc8 15. Qxb6 axb6 16. Kf2 Bd8 17. Rh3 Bc7 18. Bxc7 Rxc7 19. Rah1 Rc8 20. Nf1 {[%cal Bd2f1,Bf1g3,Bg3e2,Be2f4][%mdl 32]} Ra8 21. a3 Ke7 22. Ng3 Kd6 23. Bd3 Raf8 24. Rd1 Ne7 25. Ne2 Nb8 26. Nf4 Nbc6 27. Rdh1 Rc8 28. h5 {[%cal Rh5g6]} gxh5 29. Nxh5 Rcg8 30. Rh4 g6 (30... e5 $11) 31. Nf6 $16 Rxh4 32. Rxh4 Rf8 33. Rh7 (33. Bb5 $142) 33... e5 ({Black should try} 33... cxd4 34. exd4 (34. cxd4 e5 $16) 34... e5) 34. dxe5+ Nxe5 35. Bb5 N7c6 36. f4 Nd7 {...Nxf6 would now be nice for Black.} 37. Nxd7 (37. Ng4 $1 $18) 37... Kxd7 $18 {[%mdl 4096] Endgame KRB-KRN} 38. e4 dxe4 39. Ke3 Kd6 40. Kxe4 Re8+ 41. Kf3 Re7 42. Bc4 Nd8 43. Rh8 Ne6 (43... Kd7 $16 44. Bb5+ Nc6) 44. Kg4 $1 Kd7 (44... b5 $142) 45. f5 gxf5+ 46. Kxf5 {And now Kf6 would win.} Ng7+ 47. Kf4 Ne6+ 48. Kg4 (48. Bxe6+ $18 Rxe6 49. Rf8) 48... Nc7 $1 $14 {White must now prevent ...Re4+.} 49. Bd3 (49. Bf1 {feels hotter.} Nd5 50. Bb5+ Kd6 51. Rd8+ Ke5 52. a4) 49... Nd5 $2 {[#] A mistake that costs the game.} ({Black should play} 49... c4 $14 50. Bf5+ Kc6) 50. c4 $1 $18 Ne3+ {[#]} 51. Kf3 $1 b5 52. cxb5 Nd1 {...Re3+ is the strong threat.} 53. Bf5+ Kc7 54. Rh2 (54. Rh7 $142 {Hoping for g6.} Kd8 55. b3) 54... Kb6 $2 (54... Ne3) 55. Be4 {White is clearly winning.} Rd7 (55... c4 $142 56. Rd2 Nxb2 57. Rxb2 Re5) 56. Rh7 Rd2 57. Kg3 Rd4 58. Bf3 {Weighted Error Value: White=0.15/Black=0.34} 1-0

[Event "DSB-Kader-Challenge 2021"]
[Site "Magdeburg"]
[Date "2021.04.10"]
[Round "8.1"]
[White "Fridman, Daniel"]
[Black "Heimann, Andreas"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2601"]
[BlackElo "2606"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2021.04.05"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,39,0,18,-10,-6,0,-9,-11,-16,-13,0,-5,13,22,97,106,96,90,114,109,103,114,129,126,195,207,216,214,215,217,234,227]} 1. d4 d5 2. Bf4 c5 3. e3 Nc6 4. Nf3 Nf6 5. Nbd2 Nh5 6. Be5 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} e6 7. c3 f6 8. Bg3 {The position is equal.} cxd4 9. cxd4 Nxg3 10. hxg3 {[#]} g6 $146 ({Predecessor:} 10... Bd6 11. Bd3 f5 12. a3 Bd7 13. Nh4 O-O 14. g4 g6 15. gxf5 exf5 16. Qf3 Be6 {½-½ (31) Karthik,S (1789)-Samdani,S (1712) New Delhi 2018}) 11. Bd3 {Hoping for Bxg6+!} Bg7 {[#]} (11... Kf7 $11 {remains equal.}) 12. Rxh7 $1 $16 Kf7 {[#]} 13. Qc2 $1 $36 {[%mdl 2048] White is really pushing.} f5 (13... g5 14. Bg6+) 14. Rxh8 Bxh8 15. Nb3 Bd7 16. Nc5 Nb4 (16... Be8 $16) 17. Qd2 $18 {White is clearly better.} b6 18. Qxb4 bxc5 19. Qxc5 Bf6 20. Ne5+ {Black did not feel at home in the position after the opening.  Weighted Error Value: White=0.03/Black=0.21} 1-0

[Event "DSB-Kader-Challenge 2021"]
[Site "Magdeburg"]
[Date "2021.04.10"]
[Round "8.2"]
[White "Svane, Rasmus"]
[Black "Bluebaum, Matthias"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "2613"]
[BlackElo "2670"]
[Annotator "TA"]
[PlyCount "180"]
[EventDate "2021.04.05"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,180,11,0,0,8,32,25,31,21,12,12,14,4,18,-6,41,35,48,29,44,36,59,16,21,16,20,30,115,93,103,115,92,100,158,145,164,123,110,112,109,112,135,114,115,114,114,112,114,100,114,114,110,100,104,103,111,111,111,92,110,89,110,81,110,106,117,118,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,125,125,126,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,8,124,0,0,0,124,124,124,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. g3 Bc5 {B11: Caro-Kann: Two Knights Variation.} 7. Bg2 Ne7 8. O-O O-O {White has an edge.} 9. Ne2 e5 10. Qb3 {[#]} Na6 $146 ({Predecessor:} 10... Bb6 11. Nc3 dxe4 12. Nxe4 Nf5 13. d3 Nd4 14. Qc4 h6 15. Be3 Na6 16. Bxd4 Qxd4 17. Qxd4 Bxd4 {½-½ (29) Kozionov,K (2333)-Kharitonov,A (2538) Voronezh 2013}) 11. exd5 ({Of course not} 11. Qxb7 Nb4 $17) 11... Nxd5 12. Nc3 {[%cal Rc3d5]} Nxc3 13. bxc3 Rb8 14. Qc4 Qa5 15. a4 Rfd8 16. Ra2 Nc7 {[%cal Ba6c7,Bc7d5,Bd5c3,Bc3e2][%mdl 32]} 17. d3 Nd5 18. Bd2 Bd4 19. cxd4 $16 {[%mdl 64] Discovered Attack} Qxd2 20. dxe5 Nc3 21. Rb2 b5 (21... Ne2+ $142 22. Kh1 h6) 22. Qxc6 b4 23. a5 Ne2+ 24. Kh2 Nd4 25. Qa6 Rd7 26. Qc4 b3 {[#]} 27. Bd5 $1 Rbd8 28. Qxd4 Rxd5 29. Qc4 Rxd3 30. e6 fxe6 31. Qxe6+ Kh8 32. Rxb3 Rxb3 33. cxb3 Qxa5 {[%mdl 4096] Endgame KQR-KQR} 34. Qe7 (34. Rd1 {is more complex.} Rf8 35. Rd5 Qb4 36. Qe3 h6 37. Rd7) 34... h6 35. Kg1 Rb8 36. Rc1 Qd5 37. Rc7 {[%csl Gc7][%cal Re7g7]} Qd1+ 38. Kh2 {[%csl Gc7][%cal Re7g7]} Qd4 39. Qf7 Qf6 40. Qxf6 gxf6 41. Rxa7 Rxb3 {KR-KR} 42. Rf7 Rb6 43. Kg2 Kg8 44. Rd7 Rb3 45. Rc7 Ra3 46. Rb7 Rc3 47. Ra7 Rb3 48. Rd7 Ra3 49. Rc7 Rb3 50. h4 Ra3 51. Rd7 Rb3 52. f3 Ra3 53. Rb7 Rc3 54. Ra7 Rb3 55. Rc7 Ra3 56. Rc5 Kg7 57. g4 Ra7 58. Kg3 Rb7 59. Kf4 Kf7 60. Rh5 Rb4+ 61. Kg3 Kg7 62. Rd5 Rb7 63. Kf4 Kf7 64. Kf5 Ra7 65. Rc5 Rb7 66. Ra5 Rc7 67. f4 Rb7 68. Rc5 Ra7 69. Rd5 Rb7 70. h5 Ra7 71. Ke4 Ra4+ 72. Rd4 Ra7 73. Kd5 Ra5+ 74. Kc6 Ra6+ 75. Kb5 (75. Kc5 $16) 75... Ra1 {[#]} (75... Ra8 $1 $11) 76. f5 (76. Kc5 $1 $16) 76... Ke7 $1 $11 77. Re4+ Kf7 (77... Kd7 $1 $11) 78. Rc4 $16 Ke7 79. Rc7+ (79. Kc5 $16) 79... Kd6 $11 {The position is equal.} 80. Rg7 {Rg6 is the strong threat.} Ke5 81. Rg6 Kf4 82. Kc6 Rd1 83. Kc7 Rd2 84. Kc6 Rd1 85. Rxh6 Kxg4 86. Rxf6 {Hoping for h6.} Kxh5 87. Rd6 Rf1 88. f6 Kg6 89. Kd7 Rxf6 90. Rxf6+ Kxf6 {Blacks defense is rewarded with a draw.  Weighted Error Value: White=0.04/Black=0.09} 1/2-1/2

[Event "DSB-Kader-Challenge 2021"]
[Site "Magdeburg"]
[Date "2021.04.10"]
[Round "8.3"]
[White "Kollars, Dmitrij"]
[Black "Donchenko, Alexander"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2598"]
[BlackElo "2659"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2021.04.05"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,81,12,22,16,19,0,2,2,11,13,0,0,12,11,22,25,21,8,21,-22,-18,-18,-9,-14,-15,-10,-10,-29,-17,-26,0,0,0,0,0,-5,7,-7,8,0,19,-6,27,24,24,24,32,32,32,32,32,32,32,0,32,14,20,0,0,0,0,0,32,2,32,32,32,0,0,0,32,0,0,0]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c4 Ngf6 5. Nc3 g6 6. d3 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} Bg7 7. h3 O-O 8. Ba4 {[#]} b6 $146 ({Predecessor:} 8... Nb6 9. Bc2 Ne8 10. Rb1 Bd7 11. O-O a5 12. Be3 Nc7 13. Re1 Bc6 14. h4 e5 {½-½ (26) Buchaillot,L (2180)-Oviedo Araujo,A (1946) ICCF email 2017}) 9. Be3 Bb7 10. Qd2 e6 11. O-O a6 12. Bh6 Qc7 13. Rae1 Ne5 14. Nxe5 dxe5 15. Bxg7 Kxg7 16. Ne2 {[%cal Bc3e2,Be2g1,Bg1f3][%mdl 32]} Nh5 (16... Kg8 {is more complex.} 17. Qc3 Rad8 18. Rb1 Nd7 19. a3 f5) 17. Qc3 Kg8 18. a3 a5 19. Kh2 Qd6 20. Ng1 Rad8 21. Re3 f6 22. Nf3 Ra8 23. Rb1 Ng7 24. Kg1 Rfd8 25. Ne1 Nh5 26. Bd1 Nf4 27. h4 a4 28. g3 Nh5 29. Bxh5 gxh5 30. Re2 Bc6 31. Re3 Ra7 32. Nf3 Rb7 33. b4 axb3 $1 34. Rxb3 Ba4 35. Rb1 Ra7 36. Ne1 Be8 37. Re2 Rda8 38. Rb3 Ba4 39. Rb1 Be8 40. Rb3 Ba4 41. Rb1 {Weighted Error Value: White=0.08/Black=0.07} 1/2-1/2

[Event "DSB-Kader-Challenge 2021"]
[Site "Magdeburg"]
[Date "2021.04.10"]
[Round "8.4"]
[White "Svane, Frederik"]
[Black "Wagner, Dennis"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2421"]
[BlackElo "2581"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2021.04.05"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,108,-9,0,0,0,-14,0,0,5,0,2,-8,-3,-18,-10,-10,-6,-10,0,0,0,-7,0,0,0,0,34,27,26,0,0,-6,4,4,27,15,41,4,11,8,14,0,0,0,0,0,2,1,10,2,80,82,67,56,78,77,87,49,68,54,46,41,53,0,0,0,0,0,0,0,0,0,0,0,51,32,39,43,31,0,160,163,162,152,165,0,0,0,254,273,258,251,397,386,29999]} 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 c5 8. O-O b6 9. Rd1 {A13: English Opening: 1...e6.} Bb7 10. b3 Rc8 11. Bb2 {The position is equal.} Be7 12. d3 O-O 13. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1e3,Be3g4][%mdl 32]} b5 14. Rac1 Qb6 15. Qb1 Rfd8 16. Qa1 h6 {[#]} 17. Nf1 $146 ({Predecessor:} 17. h3 Bf8 18. a3 Qa7 19. Ne1 Bxg2 20. Kxg2 Nd5 21. Nef3 Qb7 22. Rc2 N5b6 23. Rdc1 {½-½ (51) Oms Pallisse,J (2524)-Magem Badals,J (2470) Barcelona 2008}) 17... Bc6 18. e4 Bb7 19. Ne3 Nb8 20. Ne5 Nc6 21. Nxc6 Bxc6 22. Be5 Ne8 23. Ng4 h5 24. Ne3 Rd7 25. Qb2 Bf6 26. Bxf6 Nxf6 27. Qe5 Bb7 28. Bf3 Qd8 29. Be2 Rdc7 30. Bxh5 Qd4 31. Qg5 c4 $1 32. Be2 {[%cal Rb3c4]} c3 (32... Rc5 $11 {keeps the balance.} 33. Qf4 cxb3 34. Rxc5 Qxc5 35. axb3 Qb4) 33. Nc2 $16 Qd6 34. b4 e5 35. Qe3 Qe6 36. Ra1 Nd7 37. Qg5 Qd6 38. Bg4 Re8 39. Bxd7 (39. a4 $14) 39... Rxd7 $11 40. f3 Red8 41. Qe3 Qe6 42. g4 g6 43. Kf2 Kh7 44. Ke2 Rh8 (44... f6 $11) 45. h4 $14 f5 46. Qg5 {[%cal Rg4f5]} fxg4 47. fxg4 {Strongly threatening h5.} Rf8 $2 (47... Rhd8 $1 $11 48. h5 Bxe4 49. dxe4 Qc4+ {[%mdl 64] Double Attack} 50. Kf2 Rxd1 51. Qxg6+ (51. Rxd1 Rxd1 52. Qxg6+ Kh8 $11) 51... Kh8 52. Rxd1 Rxd1) 48. h5 $16 Qf6 {[%csl Gf8][%cal Rf6f2]} 49. hxg6+ Kg7 {[%csl Gf8][%cal Rf6f2] [#]} 50. Qf5 ({White has to play} 50. Qxf6+ $1 $18 Rxf6 51. Ne3) 50... Qd6 $1 $11 51. Qg5 {And now Ne3 would win.} Qxg6 $2 {[%mdl 8192]} (51... Qf6 $11 {and Black is okay.} 52. Qxf6+ Rxf6) 52. Qxe5+ $18 {[%mdl 64] Double Attack} Kg8 53. Ne3 c2 (53... Rdf7 $142 54. Rf1 Bc8) 54. Rh1 {[#] Rh8+ would kill now.} Rdf7 $2 (54... Qg7 $18 55. Qxg7+ Rxg7) 55. Qh8# {Weighted Error Value: White=0.09/Black=0.39} 1-0

[Event "DSB-Kader-Challenge 2021"]
[Site "Magdeburg"]
[Date "2021.04.10"]
[Round "8.5"]
[White "Huschenbeth, Niclas"]
[Black "Engel, Luis"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2604"]
[BlackElo "2553"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2021.04.05"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,85,16,8,0,0,0,0,0,0,0,-9,0,0,0,12,20,20,-15,-11,0,0,0,0,0,0,0,0,0,0,0,112,108,120,0,207,91,122,132,261,229,328,329,319,324,362,364,370,368,381,387,376,375,457,475,480,343,395,394,558,561,645,618,1092,1057,1249,652,1906,1739,2133,1202,1076,1080,2112,2961]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Be7 8. h3 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} b5 9. a4 b4 10. Nd5 {The position is equal.} Nbd7 11. Nxb4 Bb7 12. Nd2 {[#]} O-O $146 ({Predecessor:} 12... Qc8 13. Bd3 a5 14. Na2 d5 15. O-O O-O 16. Bg5 h6 17. Bxf6 Nxf6 18. Nc3 Rd8 {1-0 (85) Gromotka,H (2314)-Kolanek,R (2217) ICCF email 2016}) 13. a5 Nxe4 14. Nxe4 Bxe4 15. Nd5 Nf6 16. Nb6 Rb8 17. Bxa6 Bxg2 18. Rg1 Bxh3 19. Bh6 g6 20. Bxf8 Bxf8 21. Bc4 e4 (21... Bf5 $11 {remains equal.}) 22. Rg3 $16 Bf5 {[#]} 23. Rb3 ({White has to play} 23. Nd5 $1 $16 {[%cal Rd5f6]} h5 24. a6) 23... Ng4 {[#]} (23... e3 $1 $11 {and Black is okay.} 24. Rxe3 Bh6) 24. Qd5 (24. a6 $1 $18 {has better winning chances. Threatens to win with a7.} Rxb6 (24... Qh4 25. Qe2) 25. a7 Rxb3 26. Bxb3) 24... Be6 25. Qxe4 Qf6 (25... Qg5 $16) 26. Qf3 $18 Bf5 (26... Qxf3 $142 27. Rxf3 Ne5) 27. O-O-O Ne5 28. Qc3 Qg5+ 29. Kb1 Nxc4 30. Qxc4 ({Not} 30. Nxc4 Rc8 $16) 30... Be6 31. Nd5 Rc8 32. Qd4 Bg7 33. Qd2 Qd8 {intending ...Rc5.} 34. Rb5 Qe8 35. Qb4 Kh8 (35... h5 {is a better defense.} 36. a6 Kh7) 36. Rb6 {White is clearly winning.} h5 37. a6 {[%cal Ba5a6,Ba6a7][%mdl 32]} Bg4 38. Re1 Qd7 39. Rb8 Bf3 40. Rxc8+ Qxc8 {[#]} 41. a7 $1 Bxd5 (41... Kh7 42. Qb3) 42. Qb8 Qg8 43. Re8 {Weighted Error Value: White=0.23/Black=0.40} 1-0

[Event "DSB-Kader-Challenge 2021"]
[Site "Magdeburg"]
[Date "2021.04.11"]
[Round "9.1"]
[White "Engel, Luis"]
[Black "Fridman, Daniel"]
[Result "1/2-1/2"]
[ECO "C09"]
[WhiteElo "2553"]
[BlackElo "2601"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2021.04.05"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,100,21,16,28,22,30,25,23,21,23,22,25,21,29,33,28,22,26,21,22,17,28,24,18,22,27,7,12,0,17,0,0,0,0,0,8,8,8,0,0,-3,0,0,0,0,0,0,0,0,0,0,44,50,50,49,50,0,50,23,25,25,25,24,22,23,25,20,28,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 Qe7+ $1 {[%mdl 4] is recently more successful than 6...Bd6.} 7. Be2 Qc7 {C09: French Tarrasch: 3...c5 4 exd5 exd5 5 Ngf3 Nc6.} 8. O-O Nf6 9. Re1 cxd4 {White has an edge.} 10. Nb3 Bb4 11. Bd2 Bxd2 12. Qxd2 O-O 13. Nfxd4 Bd7 14. Nxc6 bxc6 15. Nc5 Bf5 16. Bd3 Bxd3 17. cxd3 {[#]} Rfe8 $146 ({Predecessor:} 17... Rae8 18. h3 Qd6 19. b4 h6 20. a3 Nh5 21. Rxe8 Rxe8 22. Re1 Rxe1+ 23. Qxe1 g5 24. g3 Ng7 25. Kg2 Nf5 26. Qc3 {½-½ (26) Woodhouse,S (2071)-Granz,T (2062) ICCF email 2019}) 18. h3 Qd6 19. d4 Ne4 20. Qe3 g6 21. Rac1 Kg7 22. Nd3 Qf6 23. b3 Nc3 24. Ne5 Nxa2 25. Rc5 {[#] Threatens to win with Qd2.} Nb4 26. Qc3 a5 27. Ra1 Qd8 28. Nxc6 Nxc6 29. Rxc6 Re2 30. Qf3 Re4 31. Rc5 Qf6 32. Qxf6+ Kxf6 33. Rxd5 $14 {[%mdl 4096] Endgame KRR-KRR} Rb8 34. Raxa5 Rxb3 35. Ra7 {[#] Hoping for Rdd7.} Kg7 36. Rdd7 Rf4 37. g3 Rf5 38. Ra2 Rd3 39. Kg2 h5 40. Re2 h4 {The position is equal.} 41. Re3 Rd2 42. Rf3 Rxf3 43. Kxf3 $11 {KR-KR} Rd3+ 44. Kg4 hxg3 45. fxg3 Kf6 46. h4 Ke6 47. Rd8 Ke7 48. Rd5 Ke6 49. Re5+ Kd6 50. Re1 f5+ {Weighted Error Value: White=0.05/Black=0.03} 1/2-1/2

[Event "DSB-Kader-Challenge 2021"]
[Site "Magdeburg"]
[Date "2021.04.11"]
[Round "9.2"]
[White "Wagner, Dennis"]
[Black "Huschenbeth, Niclas"]
[Result "1/2-1/2"]
[ECO "C78"]
[WhiteElo "2581"]
[BlackElo "2604"]
[Annotator "TA"]
[PlyCount "203"]
[EventDate "2021.04.05"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,203,54,16,26,35,88,17,20,6,3,6,4,6,16,12,11,9,11,14,14,25,14,13,5,13,16,0,27,16,25,21,43,45,46,28,35,43,33,39,137,127,137,70,43,39,100,112,168,166,156,119,131,120,118,110,143,145,143,145,137,139,139,136,166,169,156,131,137,140,139,139,140,139,134,132,120,91,96,88,92,94,136,89,77,0,100,10,10,10,10,10,10,10,10,10,17,8,17,8,8,8,8,0,0,0,8,0,0,0,8,8,8,0,0,0,8,0,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,0,0,0,8,0,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,0,8,0,8,0,8,8,8,8,8,8,8,0,0,0,0,0,8,8,8,8,8,8,8,8,8,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. a4 b4 {C78: Ruy Lopez: Archangelsk and Möller Defences.} ({Don't blunder} 8... Nxe4 $2 9. Bd5 $18) 9. d4 Ba7 (9... exd4 $14 10. cxd4 Bb6) 10. h3 (10. dxe5 $16 dxe5 11. Qxd8+ Nxd8 12. cxb4 (12. Nxe5 Rb8 $14)) 10... O-O 11. Be3 bxc3 ({Not} 11... Nxe4 $2 12. Bd5 $18) 12. bxc3 exd4 ({Avoid the trap} 12... Nxe4 $2 13. Bd5 $18) 13. cxd4 Nxe4 14. Bd5 Qe8 15. Qc2 {[%mdl 64] [#] Double Attack} Nb4 16. Qxe4 Qxe4 17. Bxe4 d5 {[#]} 18. Bxh7+ Kxh7 19. Rc1 {[#]} c6 $146 ({Predecessor:} 19... Bf5 20. g4 Bg6 21. Ne5 Bc2 22. a5 f6 23. Nf3 Bg6 24. Nh4 Bd3 25. Ra3 Rab8 {0-1 (107) Huschenbeth,N (2624)-Grandelius,N (2691) Douglas 2019}) 20. Nbd2 {[%cal Bb1d2,Bd2b3,Bb3d4][%mdl 32]} Bf5 21. g4 $36 {[%mdl 2048] White has the initiative.} Bc2 22. Bf4 {Threatens to win with Bd6.} c5 23. Ne1 Bg6 24. dxc5 Rfe8 25. Nb3 Re4 26. Bd6 Bb8 (26... Rc8 $14) 27. Nf3 $16 {And now Ng5+ would win.} f6 28. Bxb8 ({White should try} 28. Nfd4 $16) 28... Rxb8 $14 29. Nbd4 Nd3 ({Better is} 29... Be8 $1 $14) 30. Rc3 $16 Nb2 (30... Nf4 $16 {was necessary.}) 31. c6 $18 Nc4 32. Rd1 Rc8 33. Kg2 Be8 34. Rb3 Bxc6 35. Nxc6 Rxc6 36. Rxd5 Nb6 37. Rh5+ Kg8 38. a5 Nc4 39. Rb7 Nd6 40. Rd7 {Nh4 is the strong threat.} Nf7 41. Rhd5 {Strongly threatening Rb7.} Rc2 42. Nd4 Rd2 43. Nf5 Rxd5 44. Rxd5 $16 {[%mdl 4096] Endgame KRN-KRN} Ra4 45. Rc5 g6 46. Ne7+ Kg7 47. Nd5 Ne5 48. Rc7+ Nf7 49. Rc5 (49. Rc6 {looks sharper.} Rxa5 50. Nxf6 Ne5 51. Re6 Kf7 52. Rb6) 49... Ne5 $1 50. Nc3 (50. g5 $16) 50... Rc4 $11 {The position is equal.} 51. Rxc4 Nxc4 {KN-KN} 52. Nd5 Nxa5 53. Nb4 g5 54. Nxa6 f5 55. Nb4 Kf6 56. Kf3 Nb3 57. Nd5+ Ke5 58. Ne7 Nd4+ 59. Ke3 Nc2+ 60. Kd2 fxg4 61. hxg4 Nb4 62. Ke3 Nc2+ 63. Kf3 (63. Kd3 {seems wilder.} Nb4+ 64. Ke2 Kf4 65. f3 Ke5 66. Ke3) 63... Nd4+ 64. Ke3 Nc2+ 65. Kd2 (65. Kd3 {is interesting.} Nb4+ 66. Ke2 Kf4 67. f3 Ke5 68. Ke3) 65... Nb4 66. f3 Kf4 67. Ke2 Nc2 68. Kf2 {[%cal Re7g6]} Ke5 69. Nf5 Nb4 70. Ng3 Kf4 71. Ne2+ Ke5 72. Ke3 Nc2+ 73. Kd2 Nb4 74. Ke1 Nd3+ 75. Kf1 Nb4 76. Kg2 Nd5 77. Kg3 Kf6 78. Ng1 Nf4 79. Nh3 Ne6 80. Nf2 Nc5 81. Kg2 Ke5 82. Nh3 Ne6 83. Kf2 Kd4 84. Ke2 Kd5 85. Kd3 Nc5+ 86. Ke3 Ne6 87. Nf2 Ke5 88. Ne4 Kd5 89. Nf2 Ke5 90. Nh3 Kd5 91. Kd3 Nc5+ 92. Kd2 Ne6 93. Kc3 Kc5 94. Nf2 Kd5 95. Ne4 Ke5 96. Kd3 Kf4 97. Nd2 Nd8 98. Ke2 Nc6 99. Nb3 Ne5 100. Nd4 Nxf3 {[%mdl 64] Remove Defender} 101. Nxf3 Kxg4 102. Nxg5 {White really could win this.  Weighted Error Value: White=0.15/Black=0.11} 1/2-1/2

[Event "DSB-Kader-Challenge 2021"]
[Site "Magdeburg"]
[Date "2021.04.11"]
[Round "9.3"]
[White "Donchenko, Alexander"]
[Black "Svane, Frederik"]
[Result "1/2-1/2"]
[ECO "E16"]
[WhiteElo "2659"]
[BlackElo "2421"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2021.04.05"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,85,3,4,0,34,31,38,35,35,14,43,40,39,34,34,33,36,16,35,26,24,20,39,33,45,41,52,27,38,12,20,18,15,12,11,11,14,14,31,0,0,0,0,0,12,12,8,14,18,18,71,62,91,101,79,18,14,16,23,16,20,26,30,8,8,8,12,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bb4+ 5. Nd2 O-O 6. Ngf3 b6 $1 {6...b6 is better than 6...dxc4.} 7. O-O Bb7 8. b3 {E16: Queen's Indian: 4 g3 Bb7 5 Bg2 Bb4+.} dxc4 9. Nxc4 c5 10. Bb2 {a3 is the strong threat.White is slightly better.} cxd4 $1 {[#]} 11. Qxd4 $146 ({Predecessor:} 11. Nxd4 Bxg2 12. Kxg2 Qd5+ 13. f3 Rd8 14. e4 Qb7 15. Qe2 Nbd7 16. a3 Be7 17. Rac1 {0-1 (96) Bogner,S (2605)-Georgiadis,N (2526) Lenzerheide 2018}) 11... Qxd4 12. Nxd4 Bxg2 13. Kxg2 Rc8 14. Rfd1 Nbd7 15. g4 h6 16. h4 Nf8 17. Kf3 N6d7 18. Rac1 Be7 19. Kg3 a6 20. f4 Rc7 21. g5 hxg5 22. hxg5 Rac8 23. a4 e5 24. Nf5 exf4+ 25. Kg4 Ng6 26. Rd5 ({Avoid the trap} 26. Bxg7 $2 b5 $19) 26... Bf8 27. Rcd1 Nc5 28. Nxb6 Re8 29. Rd8 Rxd8 30. Rxd8 Ne6 31. Rc8 Rxc8 (31... Rb7 $11 32. a5 Kh7) 32. Nxc8 $16 Bb4 33. Nb6 Ne7 34. Nd7 ({White should try} 34. Nd4 $16) 34... Nc6 $11 35. Ne5 Na5 36. Nd3 Bd2 37. b4 Nc4 38. b5 axb5 {The position is equal.} 39. axb5 Kf8 40. Nd4 {aiming for Nxe6+.} Nc7 41. Ba1 Be3 42. Nf5 g6 43. Nxe3 {Weighted Error Value: White=0.10/Black=0.06} 1/2-1/2

[Event "DSB-Kader-Challenge 2021"]
[Site "Magdeburg"]
[Date "2021.04.11"]
[Round "9.4"]
[White "Bluebaum, Matthias"]
[Black "Kollars, Dmitrij"]
[Result "1/2-1/2"]
[ECO "E01"]
[WhiteElo "2670"]
[BlackElo "2598"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2021.04.05"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,72,28,28,22,11,17,17,30,33,67,25,19,20,22,29,38,33,27,-2,28,19,22,14,33,6,5,6,11,3,8,2,20,16,18,12,24,0,4,0,0,0,12,1,8,4,7,5,1,0,0,-5,6,0,0,-7,0,0,0]} 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. Qd3 Nbd7 6. g3 Bd6 7. Bg2 dxc4 8. Qxc4 O-O 9. O-O e5 {E01: Catalan: Early deviations.} 10. Rd1 Qe7 11. Qb3 Re8 12. Qc2 {[#]} Nf8 $146 ({Predecessor:} 12... h6 13. e3 exd4 14. Nxd4 Ne5 15. h3 h5 16. Nf5 Bxf5 17. Qxf5 Rad8 18. b3 g6 19. Qc2 {½-½ (18) Erdogdu,M (2422)-Ali Marandi,C (2426) Buldan 2014}) 13. Bg5 exd4 $1 14. Nxd4 Be5 15. Ne4 h6 16. Nxf6+ Bxf6 17. Be3 Bg5 18. Bxg5 hxg5 19. Qc3 (19. Rd2 {is more complex.} a5 20. Rad1 a4 21. a3 Qf6 22. Qc3) 19... Qf6 (19... Qe5 {feels hotter.} 20. h3 Be6 21. e3 Rad8 22. Rac1 Bd5) 20. Qf3 Qxf3 21. Bxf3 g4 22. Bg2 Bd7 23. Rd2 a5 24. Nb3 Re5 25. Rc1 Rae8 26. Kf1 Bc8 {The position is equal.} 27. Nc5 Nh7 28. a3 Nf6 29. b4 axb4 30. axb4 R5e7 31. Ra1 Nd7 32. Nd3 Ne5 33. Nc5 Nd7 34. Nd3 Ne5 35. Nc5 Nd7 36. Nd3 Ne5 {Weighted Error Value: White=0.07/Black=0.06} 1/2-1/2

[Event "DSB-Kader-Challenge 2021"]
[Site "Magdeburg"]
[Date "2021.04.11"]
[Round "9.5"]
[White "Heimann, Andreas"]
[Black "Svane, Rasmus"]
[Result "1/2-1/2"]
[ECO "D41"]
[WhiteElo "2606"]
[BlackElo "2613"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2021.04.05"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,80,18,29,25,36,-7,39,48,44,44,30,38,43,22,22,29,23,6,28,29,22,20,25,18,22,11,11,11,11,11,15,12,12,12,20,8,14,0,0,0,0,0,0,0,0,0,0,0,8,4,2,0,8,8,8,8,8,8,8,8,8,8,8,8,8,-8,-8,-8,-8,-8,-8]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 cxd4 6. Qxd4 exd5 7. e4 {[%cal Re4d5] D41: Queen's Gambit Declined: Semi-Tarrasch with 5 cxd5.} dxe4 $1 {[%mdl 4] is more profitable than 7...Nc6 at the moment.} 8. Qxd8+ Kxd8 9. Ng5 {White is slightly better.} Be6 10. Nxe6+ fxe6 11. Bg5 Nc6 12. O-O-O+ Ke8 13. Bb5 Rc8 14. Kb1 Bb4 15. Bxf6 gxf6 16. Nxe4 f5 17. Ng5 {[#] aiming for a3.} Ke7 $1 {The position is equal.} 18. a3 Ba5 19. f4 h6 20. Nf3 Rhd8 21. Rxd8 {[#]} Bxd8 $146 ({Predecessor:} 21... Nxd8 22. Rd1 Rc7 23. Ne5 a6 24. Be2 Bb6 25. Ng6+ Ke8 26. Bh5 Nc6 27. g4 fxg4 {½-½ (56) Carlsen,M (2862)-Tari,A (2625) Wijk aan Zee 2021}) 22. Rc1 a6 23. Bd3 Bb6 24. Re1 Kf6 25. Bc4 Re8 26. b4 Re7 27. Kc2 Nd4+ 28. Nxd4 Bxd4 $11 {[%mdl 4096] Endgame KRB-KRB} 29. a4 e5 30. fxe5+ Bxe5 31. Kb3 (31. a5 {is more complex.} Rd7 32. g3 h5 33. Rf1 h4 34. Rf3) 31... Bxh2 32. Rxe7 Kxe7 {KB-KB} 33. Bd5 b6 34. a5 bxa5 35. bxa5 Kd6 36. Bb7 Bg3 37. Bxa6 Be1 38. Bd3 Bxa5 39. Bxf5 Ke5 40. Bg4 Kf4 {Weighted Error Value: White=0.03/Black=0.02} 1/2-1/2

