[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.13"]
[Round "1.1"]
[White "Pruefer, Friedbert"]
[Black "Mueckan, Friedbert"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2249"]
[BlackElo "1874"]
[Annotator "ChessBase"]
[PlyCount "33"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 2. Bf4 {[%emt 0:00:11]} d5 {[%emt 0:00:17]} 3. e3 {[%emt 0:00:47]} Bd6 {[%emt 0:00:13]} 4. Bg3 {[%emt 0:00:20]} Nf6 {[%emt 0:00:10]} 5. Nd2 {[%emt 0:00:36]} O-O {[%emt 0:01:27]} 6. Bd3 {[%emt 0:01:17]} Nc6 {[%emt 0:00:31]} 7. Ngf3 {[%emt 0:01:15]} Nb4 {[%emt 0:02:13]} 8. Be2 {[%emt 0:00:50]} Bxg3 {[%emt 0:05:06]} 9. hxg3 {[%emt 0:00:09]} Nc6 {[%emt 0:00:21]} 10. c3 {[%emt 0:01:17]} Qd6 {[%emt 0:00:09]} 11. Bb5 {[%emt 0:07:57]} Ne7 {[%emt 0:01:33]} 12. Ne5 {[%emt 0:02:08]} a6 {[%emt 0:05:58]} 13. Bd3 {[%emt 0:00:23]} c5 {[%emt 0:01:57]} 14. Bxh7+ {[%emt 0:03:14]} Kh8 {[%emt 0:06:55]} 15. Bc2+ {[%emt 0:03:54]} Kg8 {[%emt 0:00:19]} 16. g4 {[%emt 0:02:36]} g6 {[%emt 0:04:29]} 17. Qf3 1-0

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.15"]
[Round "3.1"]
[White "Schmidt, Joerg"]
[Black "Koehler, Gerhard"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2010"]
[BlackElo "2211"]
[Annotator "RC"]
[PlyCount "97"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. b3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. Bb2 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 3. f4 {[%emt 0:00:00]} Bg7 {[%emt 0:00:00]} 4. Nf3 {[%emt 0:00:12]} O-O {[%emt 0:00:24]} 5. e3 {[%emt 0:00:15]} c5 {[%emt 0:02:04]} 6. Be2 {[%emt 0:03:05]} d6 {[%emt 0:02:23]} 7. O-O {[%emt 0:01:06]} Nc6 {[%emt 0:00:40]} 8. a3 {[%emt 0:05:03]} Rb8 {[%emt 0:02:57]} 9. c4 {[%emt 0:04:30]} a6 {[%emt 0:00:41]} 10. Nc3 {[%emt 0:03:26]} Qa5 {[%emt 0:16:40]} 11. Nh4 {[%emt 0:15:43]} Bd7 {[%emt 0:13:50]} 12. Qc2 {[%emt 0:05:43]} b5 {[%emt 0:10:13]} 13. Nd5 {[%emt 0:19:06]} Nxd5 {[%emt 0:01:20]} 14. cxd5 {[%emt 0:00:05]} Bxb2 {[%emt 0:02:31]} 15. Qxb2 {[%emt 0:00:02]} Na7 {[%emt 0:00:11]} 16. f5 {[%emt 0:06:07]} Qd8 {[%emt 0:04:06]} 17. f6 {[%emt 0:05:00]} exf6 {[%emt 0:01:51]} 18. Rxf6 {[%emt 0:02:01]} Qe7 {[%emt 0:00:26]} 19. Raf1 {[%emt 0:02:29]} Nc8 {[%emt 0:01:42]} 20. Bd3 {[%emt 0:01:53]} Nb6 {[%emt 0:00:06]} 21. Bxg6 {[%emt 0:02:44]} fxg6 {[%emt 0:03:49]} 22. Nxg6 {[%emt 0:00:40]} hxg6 {[%emt 0:00:02]} 23. Rxg6+ {[%emt 0:07:55]} Kh7 {[%emt 0:01:32]} 24. Rgf6 {[%emt 0:01:33]} Rxf6 {[%emt 0:09:35]} 25. Rxf6 {[%emt 0:00:13]} Qg7 {[%emt 0:04:25]} 26. Qb1+ {[%emt 0:01:48]} Kh8 {[%emt 0:00:44]} 27. Rg6 {[%emt 0:01:05]} Nxd5 {[%emt 0:08:40]} 28. Rxg7 {[%emt 0:01:47]} Kxg7 {[%emt 0:00:03]} 29. Qd3 {[%emt 0:00:51]} Nf6 {[%emt 0:06:40]} 30. Qxd6 {[%emt 0:01:05]} Rc8 {[%emt 0:00:24]} 31. e4 {[%emt 0:02:16]} Rc6 {[%emt 0:01:29]} 32. Qe7+ {[%emt 0:03:10]} Kg6 {[%emt 0:00:09]} 33. e5 {[%emt 0:00:13]} Re6 {[%emt 0:00:16]} 34. Qxc5 {[%emt 0:00:01]} Ng4 {[%emt 0:00:24]} 35. Qc2+ {[%emt 0:01:08]} Kg7 {[%emt 0:01:29]} 36. Qc7 Nxe5 {[%emt 0:00:41]} 37. d4 {[%emt 0:01:48]} Kg6 {[%emt 0:00:04]} 38. dxe5 {[%emt 0:00:37]} Bc6 {[%emt 0:00:03]} 39. Kf2 {[%emt 0:00:55]} Kf5 {[%emt 0:00:24]} 40. h3 {[%emt 0:02:04]} Bd5 {[%emt 0:00:23]} 41. g4+ {[%emt 0:30:45]} Ke4 {[%emt 0:30:17]} 42. b4 {[%emt 0:01:44]} Rxe5 {[%emt 0:02:06]} 43. Qc2+ {[%emt 0:00:33]} Kd4 {[%emt 0:00:22]} 44. Qd2+ {[%emt 0:00:00]} Kc4 {[%emt 0:00:00]} 45. Kg3 {[%emt 0:00:00]} Be4 {[%emt 0:00:00]} 46. Qe3 {[%emt 0:00:00]} Re8 {[%emt 0:00:00]} 47. Kf4 {[%emt 0:00:00]} Bg6 {[%emt 0:00:00]} 48. Qb6 {[%emt 0:00:00]} Re4+ {[%emt 0:00:00]} 49. Kf3 {[%emt 0:00:00]} 1-0

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.15"]
[Round "3.2"]
[White "Kyas, Juergen"]
[Black "Pfitzer, Norbert"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2202"]
[BlackElo "2087"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,36,18,12,51,51,85,34,88,57,59,27,47,33,47,43,94,76,118,108,107,68,69,22,46]} 1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 exd4 5. Nxd4 Be7 6. Be2 O-O 7. O-O {7.Bf4 is more advanced technology.} Re8 8. f4 a6 {C41: Philidor Defence.} 9. Bf3 c5 10. Nb3 (10. Nf5 $16) 10... Qc7 (10... Be6 $14) 11. Be3 Nc6 {[#]} 12. h3 $146 ({Predecessor:} 12. Qe2 Bf8 13. Rad1 Bd7 14. h3 b5 15. Nd5 Nxd5 16. exd5 Nb4 17. c3 Nc2 {½-½ (17) Baskin,R (1940)-Schiff,A (2160) Gerlingen 2011}) 12... Bf8 13. Bf2 b5 14. Bh4 b4 (14... Rb8 $14) 15. Bxf6 $1 $16 {aiming for Nd5.} gxf6 16. Nd5 {[%mdl 64] [#] Double Attack} Qd8 17. a3 Rb8 18. axb4 Nxb4 {Av CentiPawn Loss W=-24/B=-25. Weighted=-25/-28} 1/2-1/2

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.15"]
[Round "3.3"]
[White "Proschmann, Tino"]
[Black "Waltenberger, Udo"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "2108"]
[BlackElo "2053"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,105,16,25,-10,0,-22,-12,-20,-25,-16,335,300,305,155,169,171,173,178,170,122,116,111,115,108,118,115,105,107,119,122,128,91,78,79,85,73,171,164,218,195,164,93,84,59,277,277,359,358,370,341,460,460,445,456,481,407,450,442,873,868,1025,547,464,406,847,763,847,864,1584,1387,1441,0,895,848,5073,4986,2324,963,2880,2101,1691,1691,439,1111,29958,29957,29964,29962,29967,29962,29939,29939]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 Nbd7 7. O-O g6 8. f4 Bg7 9. Kh1 {B93: Sicilian Najdorf: 6 f4.} b5 10. e5 dxe5 11. Nc6 {The position is equal.} Qc7 12. fxe5 {[#]} Ng8 $146 {[%mdl 8192]} (12... Nxe5 $11 {and Black is okay.} 13. Bf4 Qxc6 14. Bxe5 Qe6) ({Predecessor:} 12... Nxe5 13. Nxe5 Qxe5 14. Bf4 Qc5 15. Bf3 Ra7 16. Qe2 Rd7 17. Be3 Qc7 18. Rab1 O-O {½-½ (72) Casado Garcia,A-Ragel Guitarte,L Spain 1984}) 13. Bf3 {And now Nd5 would win.} Bb7 {[#]} 14. Nd5 (14. Na5 $1 $18 {[%mdl 512]}) 14... Qc8 $16 15. Ndxe7 Nxe7 16. Nxe7 Bxf3 17. Nxc8 Bxd1 18. Nd6+ {[%mdl 64] Double Attack} Ke7 19. Bg5+ ({Much worse is} 19. Rxd1 $6 Nxe5 20. Bd2 Kxd6 $11) 19... f6 20. exf6+ ({Of course not} 20. Raxd1 $6 Nxe5 21. Bd2 Rhd8 $11) 20... Bxf6 21. Bxf6+ Nxf6 22. Raxd1 {aiming for Rfe1+.} Rhd8 23. Rde1+ Kxd6 24. Rxf6+ {[%mdl 4096] Endgame KRR-KRR} Kc5 25. h3 Rd2 (25... Rf8 $16 26. Re5+ Kd4) 26. Re7 $18 Rc8 (26... Kd5 $142) 27. Rxh7 Rxc2 {[#]} 28. Rxg6 (28. Ra7 $1 $18) 28... Rxb2 $16 29. a3 Kd5 $2 ({Better is} 29... Rc6 $14 30. Rxc6+ Kxc6) 30. Ra7 $18 ({Less strong is} 30. Rxa6 Rg8 $16) 30... Rcc2 31. Raxa6 Ke5 32. h4 Rc4 33. Rg5+ Kd4 34. Kh2 Ke3 35. Kh3 Kf2 36. Rf6+ Kg1 (36... Ke2 $142 37. h5 Rb1) 37. Rf3 Rcc2 38. Rd5 {[%cal Rd5d1]} Rb1 39. Rfd3 Rbb2 (39... Kf2 $142 40. Rf3+ Kg1) 40. Rg5 Rb1 41. h5 Kf2 42. Rf3+ Kg1 43. Rd3 Kf2 $1 44. Kh2 Rc4 45. Rf3+ Ke2 46. Rh3 (46. h6 $142 Rc7 47. Rg7) 46... Rcc1 47. Re5+ Kd2 48. h6 Rh1+ 49. Kg3 Rb3+ 50. Kg4 {White mates.} Rhxh3 51. gxh3 Rxa3 52. h7 Ra8 53. Rxb5 {Av CentiPawn Loss W=-70/B=-70. Weighted=-81/-146} 1-0

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.15"]
[Round "3.4"]
[White "Pruefer, Friedbert"]
[Black "Steinert, Frank"]
[Result "1/2-1/2"]
[ECO "A43"]
[WhiteElo "2249"]
[BlackElo "1939"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,83,60,78,65,62,58,50,62,79,79,82,0,0,-33,28,28,35,62,75,66,66,66,79,76,68,73,63,66,69,68,139,85,85,70,125,77,81,81,81,81,102,112,138,89,109,77,96,0,0,0,0,0,0,0,29,29,48,35,96,90,114,114,116,98,116,60,51,12,85,54,54,0,0,0,22,19]} 1. d4 c5 2. d5 Nf6 3. Bg5 d6 4. Nc3 Nbd7 5. e4 h6 6. Be3 {A45: Trompowsky Attack.} a6 7. a4 {[#]} Qa5 $146 ({Predecessor:} 7... g6 8. Nf3 Bg7 9. Nd2 O-O 10. Be2 Re8 11. O-O Nf8 12. Nc4 b6 13. f4 Bb7 {1-0 (27) Erigaisi,A (2559)-Mohammad Fahad,R (2319) chess.com INT 2020}) 8. Bd2 {White is slightly better.} Qc7 9. f4 g5 10. fxg5 (10. g3 $16) 10... hxg5 $11 11. Bxg5 Ne5 (11... Qa5 $15 12. Bd2 Qb4) 12. Nf3 Bg4 13. Be2 Ng6 14. Nd2 Bxe2 15. Qxe2 Nd7 16. Nc4 Bg7 17. Nd1 O-O-O 18. Bd2 Rdg8 19. Nde3 Be5 (19... Kb8 $14) 20. Nxe5 (20. Ba5 $142 b6 21. Nxe5 Ngxe5 22. Bc3 (22. Qxa6+ Qb7 $16)) 20... Ndxe5 $16 21. g3 Qd7 (21... Rh3 $14) 22. b3 {[%cal Bb2b3,Bb3b4][%mdl 32]} Qh3 23. O-O-O Kb8 24. Kb1 Rc8 25. Bc3 c4 {Black wants to play ...cxb3.} 26. b4 ({Don't take} 26. Nxc4 $6 Nxc4 27. bxc4 f6 $11) 26... Qd7 27. a5 Qa4 28. Kb2 (28. h4 $16) 28... Nd3+ $1 $11 29. cxd3 Qb3+ 30. Ka1 Qxc3+ 31. Qb2 cxd3 (31... Qxb2+ {seems wilder.} 32. Kxb2 Ne5 33. d4 Nd3+ 34. Kc2 Nf2) 32. Qxc3 Rxc3 33. Kb2 $36 {[%mdl 2048] White has some pressure.} Rcc8 (33... Rhc8 $14 34. Rc1 Rxc1 35. Rxc1 Rh8) 34. Rxd3 $16 Rh3 {[#]} 35. Rd2 $1 Rch8 36. Nf5 Kc7 37. Rg2 ({White should try} 37. Rc2+ $16 Kd7 38. Kb1) 37... Kd7 $14 38. Kc3 e6 (38... Ne5 $1 $11 {remains equal.}) 39. dxe6+ fxe6 40. Nd4 ({White should play} 40. Ne3 $14) 40... Ne5 $11 41. Kd2 R8h5 42. Ke2 {Av CentiPawn Loss W=-16/B=-14. Weighted=-20/-13} 1/2-1/2

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.15"]
[Round "3.5"]
[White "Kempe, Rainer"]
[Black "Weidlich, Guenter"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1936"]
[BlackElo "2172"]
[Annotator "TA"]
[PlyCount "138"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,138,38,66,-16,-15,-25,-20,-39,-40,-39,-35,-66,-69,-66,-72,-68,-65,-91,-95,-127,-113,-107,-97,-97,-60,-90,-70,-81,-79,-97,-79,-108,-111,-119,-88,-156,-155,-164,-140,-164,-165,-180,-181,-168,-166,-288,-280,-287,-207,-203,-216,-208,-208,-220,-192,-229,-231,-218,-216,-274,-229,-227,-231,-251,-182,-232,-129,-129,-126,-141,-139,-168,-128,-134,-137,-156,-140,-162,-92,-124,-124,-169,-150,-176,-176,-176,-176,-176,-176,-198,-202,-206,-206,-206,-181,-188,-185,-206,-206,-206,-206,-304,-316,-322,-231,-293,-206,-321,-213,-393,-422,-461,-443,-915,-939,-931,-929,-954,-920,-6474,-6939,-1866,-1570,-29972,-29973,-5631,-6544,-29992,-29972,-2433,-908]} 1. e4 g6 2. d4 c6 3. Nf3 d6 4. Bg5 Bg7 5. Bd3 Qb6 {[#]} 6. b3 $146 {B06: Modern Defence.} ({Better is} 6. Nbd2 $14) ({Predecessor:} 6. Qc1 Bxd4 7. Nxd4 Qxd4 8. Nc3 Qb6 9. O-O Nd7 10. Kh1 Ne5 11. Be2 h5 12. h3 {1-0 (30) Ramos Sanchez,M (1833)-Vasilev,V (1966) Spain 2011}) 6... Bxd4 $11 7. Nxd4 Qxd4 8. c3 {The position is equal.} Qg7 9. O-O Nf6 10. Qc1 h6 11. Be3 Ng4 12. Bd2 Ne5 13. Bc2 {[#]} g5 $1 14. c4 Be6 15. Nc3 {[%cal Bb1c3,Bc3e2,Be2g3,Bg3f5][%mdl 32]} Nbd7 16. Ne2 Ng6 17. Kh1 Nde5 18. Ng3 f6 19. f3 h5 20. Be3 c5 21. Nf5 Qf7 22. g3 (22. Rd1 $142) 22... h4 {aiming for ...Bxf5.} 23. g4 Nc6 24. h3 O-O-O 25. Bd3 Kb8 26. Qd2 Bc8 {...e6 is the strong threat.} 27. Bg1 (27. f4 {might work better.} Nxf4 28. Bxf4 gxf4 29. Rxf4) 27... Nf4 28. Bh2 Nxh3 29. Kg2 {[#]} Nf4+ $1 30. Bxf4 gxf4 31. Qxf4 Ne5 32. Be2 e6 33. Ne3 Qg6 34. Kh3 Rdf8 35. Rg1 Qg5 36. Ng2 Rfg8 37. Qe3 {Threatening f4.} Qxe3 ({Black should try} 37... Qg7 $19 38. Rad1 f5) 38. Nxe3 $17 Ng6 39. Ng2 f5 40. Rgf1 f4 41. Rfd1 Kc7 42. Rd2 Rd8 43. a4 Kd7 (43... e5 $19 44. Ne1 Ne7) 44. Rad1 Ke7 45. Bf1 Rh7 46. Bd3 {Black must now prevent e5!} e5 47. Ne1 Nf8 48. Bf1 Ne6 49. Rh2 Rg8 50. Kg2 Bd7 51. Kf2 Bc6 52. Nc2 Rb8 53. Na3 a6 54. Bd3 Kf6 55. Bf1 (55. Nc2 {was called for.}) 55... Nd4 $19 56. Rb1 b6 57. Bd3 Kg5 58. Kg2 (58. Nc2 $142) 58... Rhb7 59. Rhh1 $2 (59. Nc2 {was necessary.}) 59... b5 60. axb5 axb5 61. Rhd1 (61. cxb5 $142 Bxb5 62. Nxb5 Nxb5 63. Bc4) 61... bxc4 62. Nxc4 Rxb3 63. Rxb3 Rxb3 64. Nxd6 Rb2+ 65. Kh3 Nxf3 {[%csl Gf3][%cal Rb2h2]} 66. Rh1 Rd2 67. Nf7+ Kf6 68. Nd8 Rxd3 69. Nxc6 Nd4+ {Av CentiPawn Loss W=826/B=-13. Weighted=249/-16} (69... Kg5 $142 70. Rc1 Nd4+ 71. Kg2 Nxc6) 0-1

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.15"]
[Round "3.6"]
[White "Kreutzkamp, Hans-Rudolf"]
[Black "Stierle, Martin"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2046"]
[BlackElo "1805"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,85,4,34,-13,43,0,44,39,62,25,25,-84,-83,-76,-86,-118,-116,-116,-89,-130,-53,-77,-58,-61,-55,-147,-45,-56,-39,-51,-40,-83,0,-71,139,139,139,139,222,227,212,218,225,214,208,211,225,145,145,131,166,108,117,106,105,92,90,80,188,183,327,331,331,338,335,333,335,325,324,322,416,423,400,400,400,379,362,338]} 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Nh6 6. Be2 {C02: French: Advance Variation.} cxd4 (6... Nf5 $11) 7. cxd4 (7. Bxh6 {feels hotter.} gxh6 8. cxd4 f6 9. Nbd2 Bg7 10. O-O) 7... f6 {[#]} 8. Bxh6 $146 {White is slightly better.} ({Predecessor:} 8. Nc3 Nf7 9. O-O fxe5 10. Nxe5 Nfxe5 11. dxe5 Bc5 12. Bf4 O-O 13. Bg3 a6 14. Rc1 {1-0 (28) Van Assendelft,F (2227)-Dehmel,J (2118) Pardubice 2008}) 8... gxh6 9. exf6 Qxf6 10. Ne5 (10. O-O $11) 10... Nxe5 $17 11. dxe5 Qxe5 12. O-O Bd6 {[%csl Gd6][%cal Re5h2]} 13. Bh5+ {[#]} Kd8 $1 {[%csl Gd6][%cal Re5h2]} 14. g3 Bd7 (14... Qxb2 $17 15. Nd2 Qg7) 15. Nc3 $15 Rf8 16. Bg4 Bc5 17. Qc2 ({White should try} 17. Qd2 $15) 17... Qd4 (17... h5 $17 18. Qe2 Qxe2 19. Bxe2 h4 $1 {[%mdl 512]}) 18. Bh3 Rc8 19. Rad1 $1 {[%cal Rd1d4]} Qg7 20. Qe2 Qf6 {[#]} (20... Re8 $17) 21. Rd2 (21. Nxd5 $1 $11 {[%mdl 512]} exd5 22. Rxd5) 21... Bb4 $2 {[#]} (21... Rf7 $17 {stays on course.}) 22. Nxd5 $1 $16 {[%mdl 512]} exd5 23. Rxd5 {[%csl Gh3][%cal Rd5d7]} Rc7 (23... Bd6 $16 {might work better.}) 24. Bxd7 $18 Rxd7 25. Rxd7+ Kxd7 26. Qb5+ Kc7 27. Qxb4 {[%mdl 4096] Endgame KQR-KQR} Kb8 28. Qc3 Qxc3 29. bxc3 $16 {KR-KR} Rc8 {[#]} 30. Rc1 (30. f4 $1 $18) 30... Rc4 31. Kf1 Kc7 32. Ke2 h5 33. Kd3 b5 (33... Ra4 $16 {keeps fighting.}) 34. Rb1 $18 Ra4 (34... Rc5 $142 35. Rb4 Kd6) 35. Rxb5 h4 36. Rb4 Rxa2 {intending ...hxg3.} 37. Rxh4 Rxf2 38. Rxh7+ Kb6 {If Black can now play ...a5 this consolidates a bit.} 39. Kc4 a5 40. Rh6+ Kb7 {Black hopes to continue with ...Rb2.} 41. Kb5 {White is winning.} Rf5+ 42. Ka4 Rg5 43. Rf6 {Av CentiPawn Loss W=-21/B=-29. Weighted=-28/-41} 1-0

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.16"]
[Round "4.1"]
[White "Schmidt, Joerg"]
[Black "Proschmann, Tino"]
[Result "1-0"]
[ECO "B44"]
[WhiteElo "2010"]
[BlackElo "2108"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,103,-5,-45,-30,-31,-17,-23,0,-12,-17,-20,-14,-18,-4,-13,-23,-68,-17,-16,-8,-6,-12,-10,0,-8,0,0,9,10,13,14,25,12,30,33,34,0,12,0,0,0,11,0,0,0,0,0,4,4,6,5,45,20,200,200,189,46,36,0,0,0,0,0,18,18,1392,1523,1492,1423,1197,1122,1068,980,5302,2880,12837,12837,12838,2016,12843,12843,12843,12844,12845,12846,12847,12845]} 1. Nf3 c5 2. e4 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Be3 Nf6 6. Nc3 Bb4 7. Nxc6 bxc6 8. Bd3 d5 9. exd5 exd5 10. Bd2 O-O {B45: Sicilian Four Knights.} 11. O-O {[#]} a5 $146 ({Predecessor:} 11... Bg4 12. Qc1 Nd7 13. h3 Be6 14. Qd1 Bd6 15. Qh5 g6 16. Qh6 Ne5 17. Rfe1 Nxd3 18. cxd3 {0-1 (47) Kiolbasa,O (2160)-Maltsevskaya,A (2272) chess.com INT 2020}) 12. Bg5 Qd6 {Black has an edge.} 13. Qf3 ({But not} 13. Bxf6 Qxf6 14. Na4 Rb8 $17) 13... Bg4 14. Qg3 Qxg3 15. hxg3 Nd7 16. f3 Be6 17. g4 Rfe8 (17... a4 $15 18. a3 Bc5+ 19. Kh1 Ne5) 18. Na4 $11 Nc5 19. Nxc5 Bxc5+ 20. Kh2 Reb8 21. b3 Bd4 22. Rad1 Bc3 23. Bd2 Be5+ 24. g3 Bd6 25. Bf4 Bxf4 26. gxf4 a4 27. f5 Bd7 28. Rfe1 axb3 29. axb3 Re8 30. Kg3 f6 31. Ra1 Kf7 32. Rxe8 Rxa1 {[%mdl 4096] Endgame KRB-KRB} 33. Rb8 h6 34. Kf4 Ra7 35. b4 c5 $2 (35... Ke7 $11 {and Black stays safe.}) 36. bxc5 $18 Rc7 37. Bb5 (37. c4 $1 $18) 37... Ke7 $1 $14 38. c6 Bxc6 39. Bxc6 Rxc6 $11 {KR-KR} 40. Rb7+ Kd6 41. Rxg7 {Strongly threatening Rf7.} Rxc2 $2 {[%mdl 8192] [#]} (41... h5 $11) 42. Rf7 $1 $18 {[%cal Rf7f6] White is clearly winning.} Rc4+ {[#]} 43. Kg3 $1 Ke5 44. Re7+ Kd4 45. Re6 Kc3 46. Rxf6 d4 47. Rxh6 d3 48. f6 d2 49. Rh1 Rc6 50. g5 Re6 51. Rd1 Re5 52. Kf4 {Av CentiPawn Loss W=-59/B=-97. Weighted=-50/-69} 1-0

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.16"]
[Round "4.2"]
[White "Appelt, Gerd"]
[Black "Kyas, Juergen"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "1997"]
[BlackElo "2202"]
[Annotator "TA"]
[PlyCount "44"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,44,-14,0,-9,-9,0,-27,-23,-15,-18,-17,0,0,47,-43,-34,-35,-14,-35,-30,-38,-6,-12,-24,-41,0]} 1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. Bd3 d5 5. O-O Nbd7 6. Nbd2 c5 7. c3 O-O 8. Re1 Qc7 9. e4 dxe4 10. Nxe4 Nxe4 11. Bxe4 cxd4 {D04: Colle System.} 12. Nxd4 Nc5 13. Bc2 e5 {[#] Black has an edge.} 14. Nb3 $146 ({Predecessor:} 14. Nb5 Qc6 15. Na3 Be6 16. Qe2 Bd5 17. f3 Rfe8 18. c4 Be6 19. Rb1 e4 20. fxe4 {0-1 (28) Teichmann,F (1893)-Graf,A (2597) Leipzig 2015}) 14... Rd8 15. Qe2 Na4 16. Nd2 Bd7 17. Bb3 ({Better is} 17. Ne4 $14) 17... Nc5 $1 $15 18. Bc2 Be6 19. Ne4 Nxe4 20. Qxe4 Rd7 21. Ba4 Rd6 22. Qh4 f6 {Av CentiPawn Loss W=-14/B=-13. Weighted=-15/-14} 1/2-1/2

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.16"]
[Round "4.3"]
[White "Weidlich, Guenter"]
[Black "Kreutzkamp, Hans-Rudolf"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2172"]
[BlackElo "2046"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,70,0,0,0,20,30,38,47,45,32,65,43,48,40,39,10,48,46,43,42,68,43,56,58,72,69,72,72,191,191,191,190,210,57,62,38,47,0,9,15,16,19,14,0,0,0,44,45,49,0,21,0,8,0,0,0,0]} 1. Nf3 b6 2. d4 Bb7 3. Bf4 Nf6 4. e3 d6 5. c4 Nbd7 6. Nc3 g6 7. h3 Bg7 8. Be2 O-O 9. Qc2 {E61: King's Indian: Early deviations for White, including Smyslov System.} Re8 10. O-O a6 11. Rfd1 {White is slightly better.} e6 {[#]} 12. Bh2 $146 ({Predecessor:} 12. Rab1 Qe7 13. b4 e5 14. Bh2 exd4 15. exd4 Ne4 16. Re1 Qf6 17. Nd5 Qd8 18. Bd3 {1-0 (42) Biermann,L (1836)-Doerr,M (1623) Dortmund 2016}) 12... Rc8 13. b4 Qe7 14. Rab1 e5 15. d5 Ra8 16. Nd2 a5 17. a3 {[%cal Ba2a3,Ba3b4][%mdl 32]} h6 18. Nb3 axb4 19. axb4 Nh7 20. e4 Rf8 21. Ra1 f5 (21... Rfb8 $16 {is a better defense.}) 22. Rxa8 $18 Bxa8 23. Nb5 Ndf6 24. f3 $2 {[#]} ({Better is} 24. exf5 $18 g5 25. Ra1) 24... fxe4 $14 25. fxe4 Ng5 26. Bd3 Nh5 27. Rf1 Bb7 28. Rxf8+ Bxf8 29. Nd2 Bc8 30. Bf1 Bg7 31. Qa2 Kh7 32. Qc2 (32. h4 $5 {[%cal Rh4g5]} Nf7 33. Qa7 $14) 32... Kh8 {The position is equal.} 33. Nc3 Kh7 34. Ne2 Bd7 35. Qd3 Qf8 {Av CentiPawn Loss W=-14/B=-14. Weighted=-13/-15} 1/2-1/2

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.16"]
[Round "4.4"]
[White "Pfitzer, Norbert"]
[Black "Pruefer, Friedbert"]
[Result "0-1"]
[ECO "A49"]
[WhiteElo "2087"]
[BlackElo "2249"]
[Annotator "TA"]
[PlyCount "32"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,32,53,15,29,0,3,-213,-203,-219,-203,-303,200,203,204,211,1190]} 1. Nf3 Nf6 2. d4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d5 6. c4 dxc4 7. Na3 c3 8. bxc3 c5 9. Bb2 {9.Bb2 is the recent fashion. Played by Shakhriyar Mamedyarov in June 2020.} Nc6 10. Nc4 Qc7 {[#] D77: Fianchetto Grünfeld: 6 0-0: Replies other than 6...c6.} 11. Rc1 $146 ({Predecessor:} 11. Nfe5 Be6 12. Nxc6 Bxc4 13. Ne5 Bd5 14. f3 Nd7 15. Nxd7 Qxd7 16. Qd2 Bc6 17. e3 e5 18. Qf2 {½-½ (46) Nguyen,H (1974)-Pham,H (2100) Hue 2012}) 11... Be6 12. Qa4 $2 {[#]} (12. Ncd2 $11 {and White is okay.}) 12... b5 $1 $19 {[%cal Rb5a4][%mdl 512] Black is clearly better.} 13. Qxb5 {And now Nfd2 would win.} Rab8 14. Qxc5 (14. Qa4 {is a better defense.} Bxc4 15. Qxc4) 14... Bxc4 $4 {[%mdl 8192]} (14... Ne4 $19 {and life is good for Black.} 15. Qa3 Bxc4) 15. Qxc4 $18 Rxb2 16. Ne5 $1 Nb8 $2 {[%mdl 32768] Loss on time!?} (16... Nd7) 0-1

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.16"]
[Round "4.5"]
[White "Koehler, Gerhard"]
[Black "Borkhardt, Arndt"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "2211"]
[BlackElo "1949"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,99,34,0,37,-18,0,-4,18,17,39,33,62,42,100,81,126,18,29,29,50,32,43,21,11,14,32,14,27,0,0,0,6,11,57,9,24,0,11,42,187,124,122,138,123,118,189,187,229,178,197,181,178,106,116,108,177,141,139,143,145,202,181,150,151,170,260,270,260,270,243,219,257,211,395,389,379,354,510,504,406,395]} 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. O-O Be7 8. Rb1 a5 9. d3 O-O 10. Be3 Be6 11. a3 f6 {A29: English Opening: Four Knights Variation with 4 g3.} 12. Ne4 {[#]} (12. Bxb6 $14 cxb6 13. Nd2) 12... Nd5 $146 ({Predecessor:} 12... Nd4 13. Bxd4 exd4 14. Rc1 c6 15. Qc2 Qd7 16. Nc5 Bxc5 17. Qxc5 Qc7 18. Nxd4 Bf7 19. Nb5 {1-0 (45) Ludwiczak,V (1875)-Sere,N (1753) Europe Chess INT 2020}) 13. Bc5 Rb8 {The position is equal.} 14. Qc2 Bf7 15. e3 Bd6 16. d4 Re8 (16... Bxc5 $14 17. Qxc5 exd4) 17. dxe5 Nxe5 18. Nh4 (18. Rbd1 $16) 18... Bxc5 $11 19. Nxc5 {Rfd1 is the strong threat.} c6 20. Nf5 b6 21. Ne4 {Threatens to win with Ned6.} Bg6 22. Nh4 Bf7 23. h3 Qd7 24. Nd2 Qe6 25. e4 Nc7 26. f4 Nd7 27. Rbc1 Nc5 28. b4 $36 {[%mdl 2048] White has the initiative.} axb4 29. axb4 Nb3 (29... N5a6 $1 $14) 30. Nxb3 (30. f5 $18 Qd6 31. Nxb3) 30... Qxb3 $16 31. Qxb3 Bxb3 32. Rxc6 Ne6 (32... Nb5 $16) 33. Nf5 $18 b5 34. Nd6 Nd4 35. Rc7 ({But not} 35. Nxe8 $6 Nxc6 36. e5 Nxe5 $16) 35... Re6 {[#]} 36. Nb7 (36. Rd7 $1 $18) 36... Rc6 $16 37. Rd7 Nc2 (37... Ne2+ $16 38. Kh2 Rc3) 38. e5 Rc3 39. exf6 gxf6 40. Nc5 Ne3 41. Re1 {Hoping for Ne4.} Nxg2 42. Kxg2 Bc4 (42... Bc2 $142 43. g4 Ra8) 43. Ne4 $18 Rc2+ 44. Kf3 Rf8 {[#]} 45. f5 $1 Rf7 46. Rxf7 Bxf7 $2 (46... Kxf7 47. Ke3 Ba2) 47. Nxf6+ Kg7 48. Ne8+ Bxe8 (48... Kf8 $142) 49. Rxe8 Rc4 50. Re4 {Av CentiPawn Loss W=-15/B=-22. Weighted=-17/-25} 1-0

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.16"]
[Round "4.6"]
[White "Waltenberger, Udo"]
[Black "Barz, Hanns-Werner"]
[Result "1/2-1/2"]
[ECO "A16"]
[WhiteElo "2053"]
[BlackElo "1943"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,105,6,16,13,45,32,32,29,32,0,24,-47,-46,-40,-49,-54,-42,-64,0,0,237,-124,-56,-198,-194,-195,-196,-188,-193,-212,-220,-423,-401,-468,-464,-483,-482,-481,-479,-469,-463,-436,-397,-345,-281,-287,-288,-307,-300,-315,-291,-385,-368,-534,-392,-360,-247,-245,-257,-257,-239,-283,-287,-306,-306,-305,-308,-287,-181,-175,-181,-181,-170,-146,-125,-139,-116,-102,-59,-58,-58,-56,-37,-53,0,-8,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 d6 5. e4 e5 6. Nge2 {A16: English Opening: 1...Nf6 with ...d5.} Be6 7. d3 c6 8. O-O {White is slightly better.} Qd7 9. f4 h5 {[#]} 10. fxe5 $146 (10. f5 $11 gxf5 11. exf5 Bxf5 12. d4) ({Predecessor:} 10. b3 h4 11. d4 Bg4 12. fxe5 dxe5 13. Bg5 exd4 14. Bxf6 Bxf6 15. Rxf6 dxc3 16. Rd6 Qe7 17. Qd4 O-O 18. Nxc3 h3 19. e5 hxg2 20. Ne4 c5 21. Qxc5 Kg7 {1-0 (21) Selebran,H (2070)-Perrin,G (2289) Avoine 2019}) 10... dxe5 $15 11. Bg5 Nh7 12. Be3 Na6 13. a3 O-O-O (13... Rd8 $15) 14. Bxa7 $11 {Nd5 is the strong threat.} h4 $2 (14... Qxd3 $11 {and Black is okay.} 15. Na4 Qxd1 16. Rfxd1 (16. Raxd1 Rxd1 17. Rxd1 Rd8 $11) 16... Rxd1+ 17. Rxd1 Rd8) 15. Bf2 $2 ({Stronger than} 15. gxh4 Qxd3 16. Qa4 Nf6 $11) (15. Na4 $18 {Strongly threatening Nb6+.} Qd6 16. b4 (16. gxh4 Nf6 $16) 16... hxg3 17. b5 (17. Nxg3 b5 $16) 17... gxh2+ 18. Kh1) 15... Ng5 (15... hxg3 $17 16. Bxg3 Ng5) 16. gxh4 (16. Na4 $15 Qxd3 17. Qxd3 Rxd3 18. Rad1 Rxd1 19. Rxd1) 16... Nh3+ $19 17. Bxh3 Bxh3 18. Re1 {[#]} Qg4+ $1 19. Ng3 Qxh4 20. Nh1 $2 {[#]} (20. Qf3) 20... Qg5+ $1 21. Bg3 f5 22. exf5 gxf5 23. Nf2 f4 {[%mdl 64] Pin} 24. Nce4 Qg6 {[%mdl 64] Pin} 25. Qf3 fxg3 26. Qxg3 Qxg3+ 27. hxg3 Bf5 28. Rad1 Nc7 29. Ng5 {If White can now play Nf7 this consolidates a bit.} Bg6 30. Nfe4 Bh6 31. g4 (31. Kg2 $142) 31... Bxg5 32. Nxg5 Rxd3 33. Rxd3 Bxd3 34. Nf7 Rg8 35. Kh2 e4 36. Kg3 Ne6 37. Nd6+ Kc7 38. Nxe4 {Black should prevent Nf6.} Bxe4 39. Rxe4 {[%mdl 4096] Endgame KRN-KR} Kd6 40. b4 Ra8 41. Re3 Re8 42. Rd3+ Kc7 43. c5 b6 44. cxb6+ Kxb6 45. Re3 Kb5 46. g5 Ka4 ({Black should try} 46... Kc4 $15) 47. g6 {The position is equal.} Ng7 48. Rxe8 Nxe8 49. Kf4 Kxa3 50. Ke5 Kxb4 51. Ke6 Ng7+ 52. Kf6 Nh5+ 53. Kg5 {White happily takes the draw. Av CentiPawn Loss W=-23/B=-24. Weighted=-40/-26} 1/2-1/2

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.17"]
[Round "5.1"]
[White "Kyas, Juergen"]
[Black "Schmidt, Joerg"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "2202"]
[BlackElo "2010"]
[Annotator "TA"]
[PlyCount "31"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,31,16,15,11,52,48,52,49,64,42,60,53,73,70,67,72,80,75]} 1. e4 e5 2. Bc4 Bc5 3. Nf3 Nc6 4. d3 Nf6 5. O-O O-O 6. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1g3][%mdl 32]} d6 7. c3 a6 8. Bb3 b5 9. h3 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} Qe7 10. Re1 Be6 11. Nf1 {White is slightly better.} h6 12. Ng3 Bb6 13. Bc2 {[#]} Nh7 $146 ({Predecessor:} 13... Qd8 14. d4 Bd7 15. Be3 Rb8 16. dxe5 Nxe5 17. Nxe5 dxe5 18. Qf3 Qe7 19. Bb3 a5 {1-0 (60) Di Giannantonio,N (2198)-Abarca Gonzalez,N (2336) Mendoza 2014}) 14. d4 {[#] Strongly threatening d5.} Bd7 15. Be3 Rab8 16. Qe2 {White took control after the opening.} 1/2-1/2

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.17"]
[Round "5.1"]
[White "Kyas, Juergen"]
[Black "Schmidt, Joerg"]
[Result "*"]
[ECO "C50"]
[WhiteElo "2202"]
[BlackElo "2010"]
[Annotator "TA"]
[PlyCount "31"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,12,12,27,17,16]} 1. e4 e5 2. Bc4 Bc5 3. Nf3 Nc6 4. d3 Nf6 5. O-O O-O 6. Nbd2 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} d6 {[#] A rather calm draw.} {Predecessor:} 7. c3 $146 a5 8. h3 h6 9. Re1 Be6 10. Bb5 Qb8 11. Nf1 Qa7 12. Be3 Bxe3 13. Nxe3 Ne7 14. a4 Ng6 15. Bc4 Bxc4 16. Nxc4 {½-½ (41) Leko,P (2663)-Ding,L (2791) chess24.com INT 2020} *

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.17"]
[Round "5.2"]
[White "Pruefer, Friedbert"]
[Black "Zoephel, Heinz"]
[Result "*"]
[ECO "A52"]
[WhiteElo "2249"]
[BlackElo "1961"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,12,36,52]} 1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4 Nc6 5. Nf3 Bb4+ 6. Nc3 Qe7 {[#] 6...Qe7 is better than 6...Bxc3+.} {Predecessor:} 7. Qd5 $146 {A52: Budapest Gambit.} Bxc3+ 8. bxc3 f6 9. exf6 Nxf6 10. Qd3 O-O 11. e3 d6 12. Be2 Bg4 13. O-O Rae8 14. Rae1 Ne4 15. Nd4 Nc5 16. Qb1 Bxe2 17. Nxe2 Qf7 18. Nd4 Qxc4 19. Rd1 Ne5 20. Bg3 {1-0 (77) Ponkratov,P (2628)-Sevian,S (2660) chess.com INT 2020} *

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.17"]
[Round "5.2"]
[White "Pruefer, Friedbert"]
[Black "Zoephel, Heinz"]
[Result "1-0"]
[ECO "A52"]
[WhiteElo "2249"]
[BlackElo "1961"]
[Annotator "ChessBase"]
[PlyCount "81"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} e5 {[%emt 0:00:15]} 3. dxe5 {[%emt 0:00:00]} Ng4 {[%emt 0:00:06]} 4. Bf4 {[%emt 0:00:01]} Nc6 {[%emt 0:00:10]} 5. Nf3 {[%emt 0:00:09]} Bb4+ {[%emt 0:00:06]} 6. Nc3 {[%emt 0:00:10]} Qe7 {[%emt 0:00:08]} 7. Qb3 {[%emt 0:13:07]} a5 {[%emt 0:09:09]} 8. a3 {[%emt 0:01:00]} a4 {[%emt 0:05:11]} 9. Qc2 {[%emt 0:00:09]} Ba5 {[%emt 0:00:14]} 10. e3 {[%emt 0:02:34]} Ngxe5 {[%emt 0:00:42]} 11. Nxe5 {[%emt 0:00:21]} Nxe5 {[%emt 0:00:21]} 12. Be2 {[%emt 0:00:27]} O-O {[%emt 0:07:01]} 13. O-O {[%emt 0:00:32]} Bxc3 {[%emt 0:00:05]} 14. Qxc3 {[%emt 0:00:07]} f6 {[%emt 0:00:28]} 15. c5 {[%emt 0:02:19]} Kh8 {[%emt 0:06:18]} 16. Bg3 {[%emt 0:10:53]} d6 {[%emt 0:11:04]} 17. cxd6 {[%emt 0:00:44]} cxd6 {[%emt 0:00:03]} 18. Rfd1 {[%emt 0:05:40]} Be6 {[%emt 0:00:41]} 19. Qb4 {[%emt 0:09:40]} Rfd8 {[%emt 0:02:29]} 20. Rd2 {[%emt 0:07:10]} Bb3 {[%emt 0:00:18]} 21. Bxe5 {[%emt 0:15:53]} Qxe5 {[%emt 0:05:34]} 22. Bc4 {[%emt 0:01:22]} Qc5 {[%emt 0:14:02]} 23. Bxb3 {[%emt 0:10:03]} Qxb4 {[%emt 0:00:48]} 24. axb4 {[%emt 0:00:02]} axb3 {[%emt 0:00:27]} 25. Rxa8 {[%emt 0:01:56]} Rxa8 {[%emt 0:00:59]} 26. Kf1 {[%emt 0:00:27]} Rc8 {[%emt 0:06:24]} 27. Rxd6 {[%emt 0:05:43]} Kg8 {[%emt 0:00:11]} 28. Ke2 {[%emt 0:00:44]} Rc2+ {[%emt 0:00:21]} 29. Rd2 {[%emt 0:00:16]} Rc4 {[%emt 0:00:22]} 30. f3 {[%emt 0:04:23]} Rxb4 {[%emt 0:00:57]} 31. Rd4 {[%emt 0:00:50]} Rb6 {[%emt 0:09:15]} 32. Kd3 {[%emt 0:01:54]} Kf7 {[%emt 0:01:49]} 33. Kc3 {[%emt 0:00:56]} Ke6 {[%emt 0:06:12]} 34. Rb4 {[%emt 0:01:06]} Rc6+ {[%emt 0:00:51]} 35. Rc4 {[%emt 0:00:31]} Kd5 {[%emt 0:09:57]} 36. Rxc6 {[%emt 0:01:13]} bxc6 {[%emt 0:00:01]} 37. Kxb3 {[%emt 0:00:13]} f5 {[%emt 0:00:08]} 38. Kc3 {[%emt 0:00:26]} Kc5 {[%emt 0:01:14]} 39. e4 {[%emt 0:01:48]} fxe4 {[%emt 0:00:12]} 40. fxe4 {[%emt 0:00:03]} g5 {[%emt 0:00:36]} 41. g4 1-0

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.17"]
[Round "5.3"]
[White "Kreutzkamp, Hans-Rudolf"]
[Black "Koehler, Gerhard"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "2046"]
[BlackElo "2211"]
[Annotator "ChessBase"]
[PlyCount "110"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:49]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:05]} e6 {[%emt 0:00:04]} 3. d4 {[%emt 0:00:05]} cxd4 {[%emt 0:00:09]} 4. Nxd4 {[%emt 0:00:06]} a6 {[%emt 0:00:47]} 5. Be2 {[%emt 0:02:23]} Nf6 {[%emt 0:00:49]} 6. Nc3 {[%emt 0:01:32]} Qc7 {[%emt 0:01:53]} 7. O-O {[%emt 0:01:53]} Nc6 {[%emt 0:02:27]} 8. Nxc6 {[%emt 0:05:47]} dxc6 {[%emt 0:00:08]} 9. f4 {[%emt 0:04:38]} Bc5+ {[%emt 0:12:26]} 10. Kh1 {[%emt 0:00:07]} e5 {[%emt 0:00:07]} 11. f5 {[%emt 0:06:14]} b5 {[%emt 0:03:46]} 12. Bg5 {[%emt 0:04:02]} Be7 {[%emt 0:01:14]} 13. a3 {[%emt 0:08:23]} O-O {[%emt 0:02:08]} 14. Qe1 {[%emt 0:01:23]} Ne8 {[%emt 0:02:48]} 15. Be3 {[%emt 0:07:04]} Bb7 {[%emt 0:01:41]} 16. Qg3 {[%emt 0:00:41]} Kh8 {[%emt 0:00:56]} 17. Rad1 {[%emt 0:06:14]} Nf6 {[%emt 0:01:04]} 18. Bg5 {[%emt 0:02:29]} Rfd8 {[%emt 0:01:35]} 19. Bf3 {[%emt 0:05:16]} a5 {[%emt 0:03:14]} 20. Rxd8+ {[%emt 0:02:35]} Rxd8 {[%emt 0:00:44]} 21. Rd1 {[%emt 0:00:26]} Ra8 {[%emt 0:02:19]} 22. Qe1 {[%emt 0:00:47]} b4 {[%emt 0:01:40]} 23. axb4 {[%emt 0:00:06]} axb4 {[%emt 0:00:15]} 24. Ne2 {[%emt 0:00:15]} c5 {[%emt 0:00:29]} 25. Ng3 {[%emt 0:00:52]} h6 {[%emt 0:00:47]} 26. Bc1 {[%emt 0:00:44]} Bc6 {[%emt 0:02:17]} 27. h3 {[%emt 0:00:28]} Nh7 {[%emt 0:01:47]} 28. Nh5 {[%emt 0:01:14]} Bg5 {[%emt 0:07:18]} 29. Bxg5 {[%emt 0:03:03]} Nxg5 {[%emt 0:01:26]} 30. f6 {[%emt 0:00:21]} g6 {[%emt 0:00:31]} 31. Ng3 {[%emt 0:03:39]} Kh7 {[%emt 0:06:31]} 32. Bg4 {[%emt 0:01:54]} Re8 {[%emt 0:07:33]} 33. Nf5 {[%emt 0:08:42]} Nxe4 {[%emt 0:06:31]} 34. Qh4 {[%emt 0:05:01]} h5 {[%emt 0:00:24]} 35. Bxh5 {[%emt 0:01:25]} g5 {[%emt 0:00:03]} 36. Qe1 {[%emt 0:02:05]} Nxf6 {[%emt 0:00:31]} 37. Bxf7 {[%emt 0:06:07]} Qxf7 {[%emt 0:00:40]} 38. Nd6 {[%emt 0:00:06]} Qe6 {[%emt 0:03:11]} 39. Nxe8 {[%emt 0:00:18]} Qxe8 {[%emt 0:00:23]} 40. Qf2 {[%emt 0:02:10]} Ne4 {[%emt 0:05:34]} 41. Qf3 {[%emt 0:33:40]} Kg7 {[%emt 0:33:20]} 42. Ra1 {[%emt 0:00:20]} Qf7 {[%emt 0:01:34]} 43. Qxf7+ {[%emt 0:00:14]} Kxf7 {[%emt 0:00:16]} 44. Kg1 {[%emt 0:00:14]} Ke6 {[%emt 0:00:40]} 45. g4 {[%emt 0:00:14]} Nd6 {[%emt 0:04:04]} 46. Kf2 {[%emt 0:00:39]} Be4 {[%emt 0:00:18]} 47. c3 {[%emt 0:02:55]} b3 {[%emt 0:00:49]} 48. Kg3 {[%emt 0:01:01]} Nc4 {[%emt 0:00:16]} 49. Ra6+ {[%emt 0:00:18]} Kd5 {[%emt 0:00:19]} 50. h4 {[%emt 0:00:25]} gxh4+ {[%emt 0:00:10]} 51. Kxh4 {[%emt 0:00:11]} Nxb2 {[%emt 0:00:05]} 52. g5 {[%emt 0:00:23]} Nc4 {[%emt 0:02:11]} 53. g6 {[%emt 0:00:06]} Bxg6 {[%emt 0:00:08]} 54. Rxg6 {[%emt 0:00:05]} b2 {[%emt 0:00:09]} 55. Rg1 {[%emt 0:00:12]} Nd2 {[%emt 0:00:09]} 0-1

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.17"]
[Round "5.3"]
[White "Kreutzkamp, Hans-Rudolf"]
[Black "Koehler, Gerhard"]
[Result "*"]
[ECO "B41"]
[WhiteElo "2046"]
[BlackElo "2211"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,14,28,11]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be2 Nf6 6. Nc3 Qc7 7. O-O Nc6 {[#]} {Predecessor:} 8. Be3 $146 {B85: Sicilian Scheveningen: 6 Be2 a6, lines with early Be3.} Be7 9. f4 d6 10. Qe1 Bd7 11. Kh1 b5 12. a3 O-O 13. Qg3 Kh8 14. Rad1 b4 15. axb4 Nxb4 16. e5 dxe5 17. fxe5 Nfd5 18. Nxd5 Nxd5 19. Bc1 Bc5 20. Bf3 Rac8 21. Be4 f5 22. Nxe6 Bxe6 23. Bxd5 Bxd5 24. Rxd5 {½-½ (47) Kryvoruchko,Y (2669)-Anand,V (2765) Douglas 2019} *

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.17"]
[Round "5.4"]
[White "Krien, Hartmut"]
[Black "Weidlich, Guenter"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "1818"]
[BlackElo "2172"]
[Annotator "TA"]
[PlyCount "31"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,31,42,46,54,12,20,-5,28,14,18,10,15,12,12,-37,-29,-29,-30,-9,15,13,58,0]} 1. e4 g6 2. d4 c6 3. Nf3 Bg7 4. Nc3 d6 5. Bc4 Nf6 6. O-O d5 {B08: Pirc Defence: Classical System.} 7. exd5 cxd5 8. Bb5+ Nc6 {The position is equal.} 9. Ne5 Bd7 10. Re1 O-O 11. Nxd7 Qxd7 {[#]} 12. b3 $146 ({Predecessor:} 12. Bxc6 bxc6 13. Bg5 e6 14. Qd2 Rfe8 15. Bh6 Bh8 16. Bf4 Rac8 17. Be5 Qe7 18. Qf4 Nh5 19. Qf3 Bxe5 20. dxe5 {1-0 (53) Dahl,C (2097)-Hassemeier,M (1952) Playchess.com INT 2020}) 12... Rfe8 13. Na4 {[%cal Bc3a4,Ba4c5,Bc5d3][%mdl 32]} Qd6 14. Nc5 b6 15. Nd3 {aiming for Bf4.} Rec8 16. Bf4 (16. Ne5 $14) 1/2-1/2

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.17"]
[Round "5.4"]
[White "Krien, Hartmut"]
[Black "Weidlich, Guenter"]
[Result "*"]
[ECO "B06"]
[WhiteElo "1818"]
[BlackElo "2172"]
[Annotator "TA"]
[PlyCount "34"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,19,50,43,40,20,18,0,28,11,12,14]} 1. e4 g6 2. d4 c6 3. Nf3 Bg7 4. Nc3 d6 5. Bc4 Nf6 6. O-O d5 {B08: Pirc Defence: Classical System.} 7. exd5 cxd5 8. Bb5+ Nc6 9. Ne5 Bd7 $1 10. Re1 {[#] Black did not feel at home in the position after the opening.} {Predecessor:} O-O $146 11. f3 Rc8 12. Bf4 e6 13. Bxc6 Bxc6 14. Qd2 Qb6 15. Rab1 Nd7 16. Nxc6 bxc6 17. Be3 f5 {0-1 (42) Thierkopf,C (1392)-Bergauz,I (1665) Magdeburg 2013} *

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.17"]
[Round "5.5"]
[White "Proschmann, Tino"]
[Black "Appelt, Gerd"]
[Result "*"]
[ECO "C68"]
[WhiteElo "2108"]
[BlackElo "1997"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,20,137,131,162,95,275,273,275]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Bd6 6. d4 f6 7. dxe5 fxe5 {[#]} 8. Nxe5 $1 {[%mdl 512]} Nf6 {C68: Ruy Lopez: Exchange Variation, sidelines.} (8... Bxe5 9. Qh5+) 9. Nf3 ({Better is} 9. Nd3 $18) 9... Bg4 $2 {[#]} (9... Nxe4 $16 {was necessary.} 10. Qe2 Qe7) 10. e5 $1 $18 Bxf3 {[#]} {Predecessor:} 11. Qxf3 $146 Bxe5 12. Re1 Qd6 13. Bf4 Nd7 14. Bxe5 Nxe5 15. Qh5+ Kd7 16. Qxe5 Rae8 17. Qxd6+ cxd6 18. Rxe8 Rxe8 {1-0 (42) Kudriavtsev,Y (1988)-Levanovsky,V St Petersburg 2005} *

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.17"]
[Round "5.5"]
[White "Proschmann, Tino"]
[Black "Appelt, Gerd"]
[Result "1-0"]
[ECO "C68"]
[WhiteElo "2108"]
[BlackElo "1997"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,39,113,127,160,127,288,279,287,282,278,279,426,410,415,400,416,398,414,399,627,606,660,660,660,658,789,764]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Bd6 6. d4 f6 7. dxe5 fxe5 {[#]} 8. Nxe5 $1 {[%mdl 512]} Nf6 {C68: Ruy Lopez: Exchange Variation, sidelines.} (8... Bxe5 9. Qh5+) 9. Nf3 Bg4 $2 {[#]} (9... Nd7 $16 {is a better defense.}) 10. e5 $1 $18 Bxf3 {White has a decisive advantage.} 11. Qxf3 Bxe5 12. Re1 {[#]} Qe7 $146 (12... Nd7 {keeps fighting.} 13. Nd2 Rf8) ({Predecessor:} 12... Qd6 13. Bf4 Nd7 14. Bxe5 Nxe5 15. Qh5+ Kd7 16. Qxe5 Rae8 17. Qxd6+ cxd6 18. Rxe8 Rxe8 {1-0 (42) Kudriavtsev,Y (1988)-Levanovsky,V St Petersburg 2005}) 13. Bf4 Bxb2 {[%cal Re7e1]} 14. Rxe7+ Kxe7 15. Qe3+ Kd7 16. Be5 Bxe5 (16... Bxa1 $142 17. Qh3+ Ke7) 17. Qxe5 {White is clearly winning.} Rae8 18. Qf5+ Kd8 {[%cal Re8e1]} 19. Nc3 {And now Rd1+ would win.} Rhf8 20. Rd1+ {Black got outplayed after the opening. Av CentiPawn Loss W=-13/B=-70. Weighted=-13/-112} 1-0

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.17"]
[Round "5.6"]
[White "Barz, Hanns-Werner"]
[Black "Pfitzer, Norbert"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1943"]
[BlackElo "2087"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,50,38,59,38,39,31,29,32,34,21,45,31,13,23,20,8,0,0,0,0,-7,0,0,-14,-16,-15,-14,-50,-39,-41,-25,-22,-28,-20,-18,-24,-15,-20,-7,-7,-18,-118,-118]} 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bc4 c6 5. Bb3 b5 6. a3 {B07: Pirc Defence: Miscellaneous Systems.} Bg7 7. Nf3 O-O 8. O-O {White has an edge.} Qc7 9. h3 a6 10. Re1 e5 11. dxe5 dxe5 12. Bg5 Nbd7 {[#]} 13. Qd2 $146 ({Predecessor:} 13. Be3 h6 14. Qd2 Kh7 15. Rad1 Ne8 16. Nh2 f5 17. f3 f4 18. Bf2 h5 19. Be6 {½-½ (25) Zuev,Y-Golubev,V Moscow 1996}) 13... Nc5 14. Ba2 Be6 15. Qe3 {[#] Bxf6 is the strong threat.} Bxa2 $1 16. Qxc5 {Hoping for Bxf6.} Nd7 17. Qe3 $1 Be6 18. Rad1 f6 19. Bh6 Rfd8 20. Bxg7 Kxg7 21. Rd2 Nb6 22. b3 Rxd2 23. Nxd2 c5 24. a4 b4 25. Na2 {[#]} (25. a5 $11 bxc3 26. axb6 Qxb6 27. Qxc3) 25... Nxa4 $1 {[%mdl 576] Pin. Black took control after the opening. Av CentiPawn Loss W=-9/B=-1. Weighted=-9/0} 0-1

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.17"]
[Round "5.6"]
[White "Barz, Hanns-Werner"]
[Black "Pfitzer, Norbert"]
[Result "*"]
[ECO "B07"]
[WhiteElo "1943"]
[BlackElo "2087"]
[Annotator "TA"]
[PlyCount "38"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,10,50,79]} 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bc4 c6 5. Bb3 b5 {[#]} {Predecessor:} 6. a3 $146 {B07: Pirc Defence: Miscellaneous Systems.} Bg7 7. f3 O-O 8. Be3 Nbd7 9. Qd2 Nb6 10. Bh6 a5 11. h4 b4 12. Nce2 c5 13. h5 Bxh6 14. Qxh6 g5 15. Nh3 e5 16. c3 c4 17. Bd1 Bxh3 18. gxh3 Kh8 19. axb4 Ng8 {0-1 (19) Jadud,O (1912)-Svetly,J (1985) Pardubice 2017} *

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.18"]
[Round "6.1"]
[White "Schmidt, Joerg"]
[Black "Pruefer, Friedbert"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2010"]
[BlackElo "2249"]
[Annotator "TA"]
[PlyCount "38"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,25,3,11,0,11,26,35,2]} 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d5 6. c4 dxc4 7. Na3 c3 8. bxc3 c5 9. Ne5 {9.Bb2 is a critical line. Played by Shakhriyar Mamedyarov in June 2020.} Nc6 10. Nxc6 bxc6 11. Qa4 {has lost popularity (11.Nc4). D77: Fianchetto Grünfeld: 6 0-0: Replies other than 6...c6.} cxd4 12. cxd4 Bd7 13. Rb1 {[#] An uneventful encounter.} {Predecessor:} Nd5 $146 14. Bd2 Nb6 15. Qb4 Bf5 16. e4 Be6 17. Be3 Bxa2 18. Rbc1 Qd7 19. Rfd1 Be6 {½-½ (58) Lagowski,P (2321)-Bobras,P (2545) Wroclaw 2011} 1/2-1/2

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.18"]
[Round "6.2"]
[White "Koehler, Gerhard"]
[Black "Proschmann, Tino"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "2211"]
[BlackElo "2108"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,45,-5,17,16,22,-7,-4,0,29,-42,-29,-50,-20,-78,-41,-55,-55,-51,-27,-23,-20,-62,-28,-77,-95,-76,-62,-80,-73,-81,-68,-107,-123,-238,-96,-102,-59,-77]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 g6 6. O-O {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4.} Bg7 7. Ne5 Ng4 8. Nf3 {The position is equal.} Nf6 9. Na3 (9. Qc2 $11) 9... b5 $1 $15 10. Ne5 Nd5 11. Qc2 (11. Nc2 $11 {remains equal.}) 11... O-O 12. b3 $1 {[%cal Rb3c4]} cxb3 $1 13. axb3 Bb7 14. Bb2 {[#]} a5 $146 ({Predecessor:} 14... a6 15. Rfd1 Qd6 16. e4 Nb6 17. Nd3 N8d7 18. Rac1 Rac8 19. Qe2 Qb8 20. h4 e5 21. dxe5 Nxe5 22. Nc5 Rcd8 {1-0 (41) Asabri,H (2180)-Cabralis,K (2169) Khanty-Mansiysk 2010}) 15. Nd3 Na6 (15... Nb4 $5 {[%cal Rb4c2]} 16. Qc3 Nxd3 17. Qxd3 Qb6 $15) 16. Nc5 Nxc5 17. Qxc5 e6 18. Rfd1 Re8 19. e4 Nb4 20. Qc3 Qb6 21. Nc2 {[#]} (21. h4 $17) 21... Nxc2 (21... c5 $1 $19 {[%mdl 512] has better winning chances.} 22. Nxb4 (22. Qxc5 Qxc5) 22... Bxd4) 22. Qxc2 $17 b4 23. e5 {Av CentiPawn Loss W=-25/B=-21. Weighted=-27/-28} 1/2-1/2

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.18"]
[Round "6.3"]
[White "Weidlich, Guenter"]
[Black "Kyas, Juergen"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2172"]
[BlackElo "2202"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,43,-16,-16,-16,-16,-18,-14,-7,-9,-85,-66,-64,-69,-70,-63,-65,-65,-91,-81,-103,-86,-124,-84,-87,-76,-79,-91,-158]} 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 O-O 5. h3 c5 6. c3 d6 7. Nbd2 Nc6 8. Be2 cxd4 9. exd4 e5 10. dxe5 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems.} dxe5 11. Nxe5 Nd5 12. Nxc6 {The position is equal.} bxc6 13. Bh2 (13. Bg3 $11) 13... Re8 {Threatens to win with ...Ba6.} 14. O-O Bxc3 $1 15. Nc4 {[#]} Bxb2 $1 {[%mdl 576] Remove Defender} 16. Nxb2 {Black must now prevent Rc1.} Nc3 $1 {[%csl LRd1,LRe2][%mdl 64] Double Attack, Discovered Attack} 17. Qc2 Nxe2+ {Black is better.} 18. Kh1 {[#]} Bf5 $146 ({Predecessor:} 18... Nd4 19. Qc3 Qd5 20. Rfd1 Rd8 21. Rd2 Bb7 22. Na4 c5 23. f3 Rac8 24. Rc1 Qg5 {0-1 (30) Kadrash,H (1975)-Ucucu,S (1772) Hatay 2018}) 19. Qxc6 Qd4 20. Qb7 Be4 21. Qb3 Bd5 22. Qd3 {Av CentiPawn Loss W=-17/B=-7. Weighted=-19/-9} ({Better is} 22. Qa3) 1/2-1/2

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.18"]
[Round "6.4"]
[White "Pfitzer, Norbert"]
[Black "Krien, Hartmut"]
[Result "1/2-1/2"]
[ECO "A49"]
[WhiteElo "2087"]
[BlackElo "1818"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,58,52,35,80,79,93,94,125,106,101,84,102,94,106,99,93,80,98,49,67,37,53,63,58,59,75,71,63,63,41,55,51,49,84,-47,-47,-54,-37,-70,-57,-64,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. d4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. c4 Bg4 7. Nc3 {7.Nc3 is better than 7.h3.} c5 {E62: King's Indian: Fianchetto: 6...c6 and Panno Variation (6...Nc6) without ...a6.} 8. dxc5 dxc5 9. Ne5 Bc8 {White is better.} 10. Qxd8 Rxd8 11. Be3 Nfd7 {[#]} 12. Nxd7 $146 ({Predecessor:} 12. Nd3 Nb6 13. Nxc5 Nc6 14. Rad1 Rf8 15. Bxc6 bxc6 16. Bd4 Bh3 17. Rfe1 e5 18. Be3 Nxc4 {1-0 (61) Obgolts,E (2376)-Amgalantengis,E (1878) chess.com INT 2020}) 12... Rxd7 13. Rfd1 Bd4 14. Bxd4 cxd4 15. Nd5 Kg7 $1 16. Rd2 ({Of course not} 16. Rxd4 $6 e6 $15) 16... e6 17. Nb4 a5 18. Nd3 Nc6 19. Bxc6 bxc6 20. Ne5 Rd6 21. c5 Rd5 22. Nxc6 e5 23. Ne7 (23. Rc1 $16) 23... Rxc5 $15 {[#] Threatens to win with ...Be6.} 24. Nxc8 Raxc8 {KRR-KRR} 25. e3 Rc2 26. Rad1 d3 ({Black should play} 26... dxe3 $15 27. fxe3 Kf6) 27. Rxc2 $11 {The position is equal.} Rxc2 (27... dxc2 $5 28. Rc1 $8 Kh6 $11) 28. Rxd3 Rxb2 29. Ra3 Rb5 {Av CentiPawn Loss W=-13/B=-12. Weighted=-23/-13} 1/2-1/2

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.18"]
[Round "6.5"]
[White "Zoephel, Heinz"]
[Black "Moritz, Hartmut"]
[Result "1/2-1/2"]
[ECO "C11"]
[WhiteElo "1961"]
[BlackElo "2066"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,91,-8,28,28,81,31,35,-9,22,-1,0,5,-9,-5,-8,-26,-32,-35,-17,-24,-12,0,0,-11,-10,-10,-15,-30,-25,-20,-14,-17,-2,-34,-9,-27,0,-1,0,0,0,-6,-6,-6,-6,-6,-6,-6,-6,-6,0,0,0,0,0,-96,-6,-6,-6,-6,-6,-14,-16,-239,-190,-497,-495,-502,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nc3 {[%cal Bb1c3,Bc3e2,Be2g3][%mdl 32]} Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Ne2 b6 {[%cal Bb7b6,Bb6b5][%mdl 32] 7...Be7 gains popularity.} 8. c3 {C05: French Tarrasch: 3...Nf6 4 e5 Nfd7, 5 f4 and 5 Bd3 sidelines.} Ba6 (8... Be7 $11 {keeps the balance.}) 9. Qa4 Qc8 10. Be3 {White is slightly better.} (10. f5 $5) 10... Bd3 {[#]} 11. Ng3 $146 ({Predecessor:} 11. Qd1 c4 12. g4 h5 13. gxh5 Bxe2 14. Bxe2 Rxh5 15. Ng5 Rh6 16. f5 Ne7 17. Nxf7 Nxf5 {1-0 (36) Sharapov,E (2427)-Chos,A (2268) Evpatoria 2008}) 11... b5 12. Qd1 Bxf1 13. Rxf1 g6 14. Qd2 b4 15. Kf2 bxc3 16. Qxc3 {[%cal Rd4c5]} cxd4 17. Nxd4 Nxd4 18. Bxd4 Qxc3 19. bxc3 Bc5 20. Rab1 Bb6 21. Rb5 O-O 22. a4 {[%cal Ba2a4,Ba4a5,Ba5a6][%mdl 32]} f6 23. Ke2 (23. exf6 {keeps more tension.} Bxd4+ 24. cxd4 Rac8 25. Re1 Rxf6 26. f5) 23... fxe5 (23... Rac8 {with more complications.} 24. a5 Bxd4 25. cxd4 Rc2+ 26. Ke3 Nb8) 24. fxe5 Rxf1 25. Nxf1 Rc8 26. Ne3 Kf7 27. a5 Bxd4 28. cxd4 {Hoping for Rb7.} Rb8 29. Rxb8 Nxb8 $11 {[%mdl 4096] Endgame KN-KN} 30. Nc2 $1 Nc6 31. a6 g5 32. Kd3 Ke7 33. Kc3 Kd7 34. g4 {[#]} (34. Ne3 $11 {remains equal.}) 34... Nb8 (34... Kc7 $1 $17 35. Ne1 Kb6) 35. Kb4 Nxa6+ 36. Kb5 Nc7+ 37. Kc5 Na8 38. Na3 $2 {[#]} (38. Kb5 $11 {and White stays safe.}) 38... Nb6 $1 $19 39. Nb5 $2 (39. Nc2 {is tougher.}) 39... Nc4 40. Nxa7 {intending Nc6.} Ne3 $2 (40... Nd2 $19 {...Nb3+ is the strong threat.} 41. Nc6 Ne4+ 42. Kb5 Nf2 43. Nb8+ Ke7 44. Nc6+ Kd7 45. Nb8+ Ke7 46. Nc6+ Kd7) 41. h3 $11 {The position is equal.} Ng2 {Threatens to win with ...Nf4.} 42. Nc6 Nf4 43. Nb8+ Kc8 44. Na6 $1 {Strongly threatening Kd6.} Kd7 45. Nb8+ Ke7 46. Nc6+ $1 {Av CentiPawn Loss W=-22/B=-21. Weighted=-23/-22} 1/2-1/2

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.18"]
[Round "6.6"]
[White "Waltenberger, Udo"]
[Black "Zilch, Lothar"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2053"]
[BlackElo "1877"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,115,44,75,63,74,78,77,71,93,101,95,96,131,129,130,127,135,129,124,72,65,51,52,0,54,48,54,31,42,0,0,0,0,0,6,5,5,6,6,5,16,16,16,18,30,12,23,20,51,39,67,31,55,55,59,55,83,75,83,85,95,75,106,100,93,76,80,84,117,92,120,77,87,16,22,30,13,16,39,38,104,117,253,248,584,569,734,729,1293,702,681,646,669,645,29975,29974,29955,2970,4702,5808,29980,29981,6083,2759,29990,29991,29991,29992]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. d3 Bg4 6. Be3 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} e6 7. Nbd2 Nf6 8. h3 {White is better.} Bh5 9. g4 Bg6 10. Ne5 {[#]} Bd6 $146 ({Predecessor:} 10... Be7 11. f4 h5 12. Qf3 hxg4 13. hxg4 Rxh1+ 14. Qxh1 Bf8 15. Qh3 Qa5 16. Nxg6 fxg6 17. g5 {1-0 (17) Rivas Romero,G (2172)-Pibernik,D (1685) ICCF email 2016}) 11. Ndc4 Bxe5 12. Nxe5 Qa5+ 13. Qd2 Qxd2+ 14. Bxd2 (14. Kxd2 $142 O-O-O 15. Kc3) 14... Nd7 $16 15. Nxg6 hxg6 16. f4 ({White should play} 16. Ke2 $14) 16... O-O-O (16... c4 $1 $11) 17. O-O-O Rh7 18. Rdf1 Rdh8 19. Bc3 Rxh3 20. Rxh3 Rxh3 21. Bxg7 $11 {[%mdl 4096] Endgame KRB-KRN} Rh4 22. g5 Rh5 23. b3 Kd8 24. Bc3 Ke8 25. Bd2 Rh3 26. Kd1 Ke7 27. Be1 Ke8 28. Ke2 Ke7 29. Rg1 Ke8 30. Bg3 Ke7 31. Kf3 Rh7 32. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Nb6 33. Rb1 Nd7 34. a5 Kd8 35. b4 Kc8 36. bxc5 Nxc5 37. d4 Nd7 38. c4 Rh5 39. Kg4 Rh8 40. Rc1 Kd8 41. d5 (41. f5 $16) 41... exd5 42. cxd5 cxd5 43. exd5 {[#] aiming for f5.} f5+ 44. Kf3 Ke7 (44... Rh7 $14) 45. Re1+ $16 Kd8 {Now Black is done in.} (45... Kd6 $16 {was necessary.}) 46. Re6 $18 Rg8 $2 (46... Nf8 47. Rb6 Rh1) 47. Bf2 Kc8 48. Bd4 Nf8 49. Re7 Nd7 50. Ke3 Kd8 51. Re6 Re8 {[#] intending ...Rxe6+.} 52. Bf6+ $1 Nxf6 53. gxf6 {White threatens Rxe8+ and mate. KR-KR} Rf8 54. Kd4 Kd7 55. Ke5 Rf7 56. d6 {White wants to mate with Re7+.} Rh7 57. Re7+ Rxe7+ 58. fxe7 {Av CentiPawn Loss W=-37/B=350. Weighted=-32/288} 1-0

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.19"]
[Round "7.1"]
[White "Kreutzkamp, Hans-Rudolf"]
[Black "Schmidt, Joerg"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2046"]
[BlackElo "2010"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,59,30,21,41,27,37,26,37,21,35,25,22,16,39,22,38,26,46,15,20,13,23,20,21,7,3,0,22,0,0,0,0,-18,-14,-7,-7,-9,-8,-8,-16,-29,-29,-20,-21,-36,-16,-56]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bf5 7. O-O Be7 8. c4 c6 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves.} 9. Nc3 Nxc3 10. bxc3 Bxd3 {White has an edge.} 11. Qxd3 O-O $1 12. Bf4 dxc4 13. Qxc4 Nd7 {[#]} 14. Rab1 $146 ({Predecessor:} 14. Rfe1 Nb6 15. Qb3 Bd6 16. Bxd6 Qxd6 17. c4 Qc7 18. Rab1 Rfe8 19. Rxe8+ Rxe8 20. c5 {1-0 (36) Garcia,R-Quinteros,L Fuengirola 2005}) 14... Nb6 15. Qb3 Bf6 16. Be5 Bxe5 17. Nxe5 Qd5 18. Qxd5 cxd5 19. Rb4 Rac8 20. Rc1 Rc7 21. Nd3 Rfc8 22. Nc5 Nd7 23. Rxb7 (23. Nxb7 {is more complex.} Rxc3 24. Rxc3 Rxc3 25. g3 Ra3 26. Nd6) 23... Nxc5 24. Rxc7 Rxc7 25. dxc5 Rxc5 $11 {KR-KR} 26. Kf1 Kf8 27. Ke2 Ra5 28. Rc2 Ke7 29. Kd3 Kd6 30. Re2 {Av CentiPawn Loss W=-10/B=-7. Weighted=-11/-7} 1/2-1/2

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.19"]
[Round "7.2"]
[White "Pruefer, Friedbert"]
[Black "Koehler, Gerhard"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2249"]
[BlackElo "2211"]
[Annotator "NA RC"]
[PlyCount "12"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 3. exd5 {[%emt 0:00:00]} exd5 {[%emt 0:00:00]} 4. Bd3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 5. Nf3 {[%emt 0:00:00]} Be7 {[%emt 0:00:00]} 6. O-O {[%emt 0:00:00]} O-O {[%emt 0:00:06]} 1/2-1/2

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.19"]
[Round "7.3"]
[White "Proschmann, Tino"]
[Black "Weidlich, Guenter"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "2108"]
[BlackElo "2172"]
[Annotator "TA"]
[PlyCount "144"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,144,13,17,20,22,17,19,13,56,0,10,0,10,0,14,13,22,19,32,6,26,36,42,18,70,30,39,37,33,41,31,45,41,36,43,29,70,49,58,52,81,56,98,75,106,63,87,16,70,75,249,113,122,122,120,104,118,101,105,94,111,107,130,94,112,94,116,95,106,0,114,88,148,151,149,132,137,50,246,246,241,238,240,239,247,229,306,308,291,320,302,252,368,208,265,191,394,391,428,435,485,391,321,379,379,208,200,118,114,108,95,-411,-422,-405,-405,-379,-364,-363,-252,-248,-248,-309,-283,-942,-929,-887,-750,-857,-929,-882,-1056,-6083,-400,-5097,-5646]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Qc7 6. Ne2 Bg4 7. O-O {now supersedes 7.f3. B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} Nf6 8. Qe1 e6 9. Bg5 {aiming for f3.The position is equal.} Bh5 10. Nf4 (10. f4 $14) 10... Bg6 11. Nxg6 hxg6 {[%csl Gh8][%cal Rc7h2] [#]} 12. g3 {[#]} Bd6 $146 ({Predecessor:} 12... Be7 13. Qe2 Rh5 14. Bf4 Bd6 15. Bxd6 Qxd6 16. Nd2 O-O-O 17. f4 Rdh8 18. Nf3 Ng4 {0-1 (36) Neiksans,A (2557)-Antal,G (2571) chess.com INT 2020}) 13. Nd2 O-O 14. Nf3 Rfe8 15. Qb1 a6 16. Re1 Nd7 17. Kg2 Nf8 (17... e5 $11) 18. Bd2 Rac8 19. h4 e5 20. dxe5 Nxe5 21. Nxe5 Bxe5 22. Qd1 Bf6 23. Qg4 Qd7 24. Qf3 Ne6 25. Rad1 Nc5 26. Bc2 Qc6 27. Bc1 Ne4 28. Bb3 Rcd8 29. h5 (29. Rd3 $16) 29... g5 ({Black should try} 29... gxh5 $11 30. Qxh5 g6) 30. Qf5 $14 {[%cal Rb3d5]} Qe6 $2 (30... Re5 $16 31. Qg4 (31. Qf3 a5 $14) 31... Be7) 31. Qxe6 (31. Rxd5 $18 Qxf5 32. Rxf5) 31... fxe6 $16 32. Bc2 Nd6 33. Rh1 Nf7 34. Bg6 Re7 35. Rhe1 Rc8 36. Re2 Rc6 37. Bb1 b5 38. a3 Kf8 39. Ba2 Ke8 40. Bb1 (40. g4 $16) 40... Nh6 (40... Kf8 $1 $11 {remains equal.}) 41. f4 gxf4 (41... g4 $142) 42. Bxf4 Nf7 43. Bg6 Kd7 44. Bc1 ({Better is} 44. Rf1 $16) 44... Ng5 $2 ({Black should play} 44... Bg5 $1 $14) 45. Rf2 $18 Nf7 46. g4 Nh8 47. g5 Be5 48. Bb1 Rc8 49. Re1 Bd6 50. g6 Ree8 51. Be3 Rcd8 (51... Rc4 $142 52. Kh3 Be5) 52. Bg5 (52. Rfe2 $142) 52... Ra8 53. Bf4 e5 $2 (53... Bxf4 {keeps fighting.} 54. Rxf4 Rac8) 54. Be3 Kc6 55. Rd1 ({Weaker is} 55. h6 e4 $18) 55... e4 {If only Black now had time for ...Re5....} 56. Rf5 Re5 57. Rdf1 Rae8 58. Bc2 (58. Bd4 $142) 58... R8e6 59. Bd1 (59. Rxe5 $18 Bxe5 60. Bb3) 59... Nxg6 $16 60. hxg6 Rxg6+ 61. Kh3 $2 {[%mdl 8192]} (61. Kh1 $16) 61... Rxf5 $19 62. Rxf5 {Black must now prevent Bg5.} Rg3+ {[%mdl 64] [#] Double Attack} 63. Kh4 {Threatens to win with Bg5.} Rxe3 {[%mdl 4096] Endgame KRB-KRB} 64. Bb3 Be7+ 65. Kg4 Rd3 {And now ...Rd2 would win.} 66. Rf1 Bf6 67. Rd1 $2 (67. Rf2) 67... Rxd1 68. Bxd1 Kc5 69. Be2 g6 70. Kf4 a5 {[%cal Ba6a5,Ba5a4][%mdl 32]} 71. Ke3 Bg5+ 72. Kf2 a4 {Av CentiPawn Loss W=-71/B=-30. Weighted=-53/-37} 0-1

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.19"]
[Round "7.4"]
[White "Kyas, Juergen"]
[Black "Stierle, Martin"]
[Result "1/2-1/2"]
[ECO "C06"]
[WhiteElo "2202"]
[BlackElo "1805"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,62,20,25,14,22,10,6,9,10,14,15,10,16,11,9,12,68,47,50,51,50,0,0,-12,-15,-19,-19,-19,-19,-19,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. Bd3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. Nf3 Bd6 11. O-O Qc7 12. g3 {Recently 12.Nc3 got a lot of attention.} O-O 13. Bf4 Ng4 {[%cal Rd6f4]} 14. Qd2 {C06: French Tarrasch: 3...Nf6 4 e5 Nfd7 5 Bd3 main lines.} e5 15. dxe5 Ngxe5 16. Nxe5 Nxe5 17. Bxe5 Bxe5 18. Nc3 Bxc3 19. bxc3 {[#]} Bh3 $146 ({Predecessor:} 19... Bf5 20. Rad1 Bg4 21. Rc1 Bf3 22. Rfe1 Rae8 23. Rxe8 Rxe8 24. Re1 Qf7 25. Rxe8+ Qxe8 26. Qf4 Be4 27. Bxe4 dxe4 28. Qd2 {½-½ (28) Green,W (2440)-Latronico,N (2440) ICCF email 2010}) 20. Rfe1 Qf7 (20... Qc6 $11) 21. Re3 Rae8 22. Rae1 Rxe3 23. Qxe3 Qf3 {[#] ( -> ...Qg2#). The position is equal.} 24. Qxf3 Rxf3 25. Re3 Rxe3 26. fxe3 $11 {[%mdl 4096] Endgame KB-KB} Kf7 27. Kf2 ({Avoid the trap} 27. Bxh7 $2 g6 $19) 27... Bg4 28. e4 ({Wrong is} 28. Bxh7 $2 g6 $19) 28... dxe4 29. Bxe4 {[%mdl 64] [#] Double Attack} b6 30. Ke3 ({Much weaker is} 30. Bxh7 g6 $17) 30... Be6 31. a3 h6 {Av CentiPawn Loss W=-6/B=-5. Weighted=-8/-6} 1/2-1/2

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.19"]
[Round "7.5"]
[White "Krien, Hartmut"]
[Black "Waltenberger, Udo"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1818"]
[BlackElo "2053"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,76,10,-23,-17,-41,-36,-39,-47,-79,-70,-84,-65,-72,-57,-144,-145,-130,-146,-131,-135,-135,-131,-131,-108,-200,-177,-206,-218,-169,-157,-127,-61,-68,-82,-61,-84,-104,-73,-102,-63,-63,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-5,0,0,0,0,0]} 1. e4 c5 2. Nc3 Nc6 3. Nge2 g6 4. g3 Bg7 5. Bg2 d6 6. O-O e6 7. d3 Nge7 8. h3 O-O {B25: Closed Sicilian: 3 g3, lines without early Be3.} 9. f4 Rb8 10. g4 f5 {Black is slightly better.} 11. g5 Nd4 12. Ng3 b5 13. Nce2 b4 14. c3 {[#]} (14. Nxd4 $15 Bxd4+ 15. Kh2) 14... bxc3 $146 ({Predecessor:} 14... Nxe2+ 15. Nxe2 Nc6 16. exf5 Qb6 17. fxg6 hxg6 18. Be3 Ne7 19. Bf2 Nf5 20. Qd2 bxc3 21. bxc3 {1-0 (41) Atanes Netto,S (1862)-Chiaretti,F (1792) Sao Paulo 2014}) 15. bxc3 Nxe2+ 16. Nxe2 Ba6 17. Qc2 fxe4 18. Bxe4 Qd7 19. Be3 (19. Rb1 $17) 19... d5 20. Bf3 d4 21. cxd4 cxd4 22. Bf2 Rfc8 ({Better is} 22... Nd5 $17 {Hoping for ...Nb4.} 23. Rac1 Nb4) 23. Qd2 $15 Bb7 24. Bxb7 Rxb7 25. Rab1 Rbc7 {Threatens to win with ...Rc2.} 26. Rfc1 Rxc1+ 27. Rxc1 Nf5 (27... Rd8 $15 28. Rc5 e5) 28. Rxc8+ $11 {The position is equal.} Qxc8 29. Qb2 Qc5 30. Qb8+ Kf7 31. Qb7+ Qe7 32. Qb2 Qc5 33. Qb7+ Qe7 34. Qb2 Qd7 35. Qb4 Qd5 36. Qa4 Qc5 37. Qd7+ Qe7 38. Qa4 {[%cal Re2d4]} Qc5 {Whites escaped into a draw. Av CentiPawn Loss W=-7/B=-7. Weighted=-9/-9} 1/2-1/2

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.19"]
[Round "7.6"]
[White "Van Bentum, Horst"]
[Black "Appelt, Gerd"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "2012"]
[BlackElo "1997"]
[Annotator "TA"]
[PlyCount "27"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,27,0,15,10,14,18,19,2,8,0,4,8,24,4,5,15,26,15,17,4]} 1. d4 Nf6 2. Nf3 e6 3. Bf4 b6 4. e3 Bb7 5. Nbd2 d5 6. c3 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Be7 7. Bb5+ c6 8. Bd3 Nbd7 9. Ne5 Nxe5 10. Bxe5 Bd6 {[#]} 11. Nf3 $146 ({Predecessor:} 11. f4 Qe7 12. O-O O-O 13. e4 dxe4 14. Nxe4 Nxe4 15. Bxe4 f5 16. Bf3 Bxe5 17. dxe5 {½-½ (45) Lorenz,G (2350)-Vaganian,R (2605) Bad Godesberg 1999}) 11... Bxe5 12. Nxe5 Nd7 13. Nxd7 Qxd7 14. Qg4 {Not much happened in this game.} 1/2-1/2

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.20"]
[Round "8.1"]
[White "Weidlich, Guenter"]
[Black "Schmidt, Joerg"]
[Result "1/2-1/2"]
[ECO "A01"]
[WhiteElo "2172"]
[BlackElo "2010"]
[Annotator "TA"]
[PlyCount "37"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,14,13,6,4,3,0,4]} 1. b3 c5 2. Bb2 Nc6 3. Nf3 Nf6 4. e3 g6 5. d4 cxd4 {The position is equal.} 6. Nxd4 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems.} Bg7 7. c4 O-O {[#] A rather calm draw.} {Predecessor:} 8. Be2 $146 Nxd4 9. Bxd4 d6 10. O-O Bd7 11. Nd2 Bc6 12. Bf3 Qd7 13. Qe2 e5 14. Bxc6 bxc6 15. Bb2 Qe6 16. e4 Rfe8 17. Rfe1 Rad8 18. Rad1 Rd7 19. Nf3 {½-½ (49) Uribe,J (2150)-Rios Parra,A (2315) Cali 2017} 1/2-1/2

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.20"]
[Round "8.2"]
[White "Kyas, Juergen"]
[Black "Pruefer, Friedbert"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "2202"]
[BlackElo "2249"]
[Annotator "TA"]
[PlyCount "34"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,19,37,32,44]} 1. e4 {Marin,M} d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 O-O 6. O-O c6 7. a4 Qc7 8. a5 e5 9. dxe5 dxe5 10. Be3 {[#] B08: Pirc Defence: Classical System.} {Predecessor:} Bg4 $146 11. Bc4 Rd8 12. Qe2 Qe7 13. h3 Bxf3 14. Qxf3 Nbd7 15. Nb1 b5 16. axb6 axb6 17. Rxa8 Rxa8 {½-½ (43) Harikrishna,P (2669)-Ivanchuk,V (2768) Ningbo 2011 CBM 144 [Marin,M]} 1/2-1/2

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.20"]
[Round "8.3"]
[White "Koehler, Gerhard"]
[Black "Moritz, Hartmut"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "2211"]
[BlackElo "2066"]
[Annotator "TA"]
[PlyCount "137"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,137,16,28,10,14,8,8,-8,0,7,0,0,0,-15,39,0,0,0,0,0,0,0,39,33,41,17,37,32,37,27,85,86,85,77,97,92,182,176,182,155,182,183,180,181,248,90,81,65,78,73,81,65,66,66,92,65,79,69,87,20,41,33,56,33,33,33,56,52,72,32,55,15,20,0,0,0,33,0,33,33,70,81,69,72,89,96,91,76,85,87,90,30,63,44,44,44,257,72,77,0,148,211,263,251,345,323,283,260,836,596,837,704,641,582,829,829,2036,804,1258,1113,1104,677,1118,1154,29969,29967,29984,29985,29985,29986]} 1. c4 e5 2. g3 c6 3. Nf3 e4 4. Nd4 d5 5. cxd5 cxd5 6. Bg2 {A20: English Opening: 1...e5.} Nc6 7. Nxc6 bxc6 8. O-O {The position is equal.} f5 {[#]} 9. Qc2 $146 ({Predecessor:} 9. d4 Bd6 10. Nc3 Nf6 11. Bg5 O-O 12. f4 h6 13. Bxf6 Qxf6 14. e3 Ba6 15. Rf2 {1-0 (41) Chelushkina,I (2388)-Grabics,M (2283) Belgrade 2002}) 9... Bd7 10. Nc3 {[%cal Bb1c3,Bc3a4,Ba4c5][%mdl 32]} Nf6 11. Na4 Qa5 (11... Bd6 $11) 12. d4 Bd6 13. Bd2 Qc7 14. Nc5 O-O 15. Rac1 Rac8 16. Bb4 {And now Na6 would win.} Ne8 17. f4 Rf7 18. Qa4 $36 {[%mdl 2048] White has some pressure.} Qb6 19. e3 Qb5 (19... Rb8 $11 {keeps the balance.} 20. Ba3 Bc8) 20. Qxb5 $16 cxb5 21. Rf2 Ra8 22. Ba5 Nc7 (22... Bf8 $16 {is a better defense.}) 23. Bf1 $18 a6 24. Rfc2 Ne6 25. Nxe6 Bxe6 26. Rc6 Rd7 27. b4 $2 (27. Rb6 $18) 27... Kf7 $16 28. a3 Be7 29. Be2 Rb7 30. h3 Bd7 31. R6c3 Bd6 32. Kf2 g6 33. g4 Ke7 34. g5 ({White should try} 34. Bd1 $16) 34... Rbb8 35. h4 Rc8 36. Bb6 Rxc3 37. Rxc3 Rc8 38. Bc5 Ke6 39. Rc1 h5 40. gxh6 {Black must now prevent Rg1.} Rh8 41. Bxd6 Kxd6 $11 {[%mdl 4096] Endgame KRB-KRB} 42. a4 Rxh6 43. Kg3 Rh8 (43... bxa4 $5 {[%cal Rh6h8]} 44. Bxa6 Rh8 $11) 44. axb5 Bxb5 45. Bxb5 axb5 $14 {KR-KR} 46. Ra1 Rc8 47. Ra6+ Ke7 48. Rxg6 Rc3 49. Kf2 Rc2+ 50. Ke1 (50. Kg1 $16) 50... Rh2 51. Rb6 Rxh4 52. Rxb5 Rh3 $2 (52... Rh1+ $14 53. Kd2 Ke6) 53. Kd2 $2 (53. Rxd5 $18 {is the precise move to win. Strongly threatening Kd2.} Rxe3+ 54. Kd2 $1 {[%mdl 512]} Rd3+ 55. Kc2) 53... Rh2+ $16 54. Ke1 (54. Kc3 $142 Kd6 55. Rb6+ Ke7 56. b5) 54... Rh3 {Black is now going downhill.} 55. Rxd5 Rxe3+ {[#]} 56. Kd2 $1 Rd3+ {[#]} 57. Kc2 $1 Ke6 58. Re5+ Kf6 $2 (58... Kd7 59. Rxf5 Rxd4) 59. d5 $18 Rf3 60. Re6+ Kf7 61. b5 {[%cal Bb4b5,Bb5b6,Bb6b7][%mdl 32]} Rxf4 62. b6 {Intending b7 and mate.} Rh4 {[#]} 63. Kc3 (63. Re8 $142 $1 {[%mdl 512]} Kxe8 64. b7) 63... Rh3+ 64. Kc4 Rh1 65. Kc5 Rb1 66. Kc6 Rb3 67. b7 {White mates.} Rc3+ 68. Kd6 Rb3 69. Kc7 {Av CentiPawn Loss W=-43/B=-82. Weighted=-33/-66} 1-0

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.20"]
[Round "8.4"]
[White "Stierle, Martin"]
[Black "Proschmann, Tino"]
[Result "0-1"]
[ECO "D17"]
[WhiteElo "1805"]
[BlackElo "2108"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,70,25,23,8,6,-23,-44,-58,-44,-32,-29,-51,-43,-43,-50,-72,-68,-114,-111,-119,-116,-206,-220,-281,-227,-212,-231,-228,-220,-225,-226,-222,-203,-400,-270,-645,-623,-584,-442,-479,-349,-342,-350,-831,-806,-729,-617,-652,-566,-581,-509,-29984,-29985,-29996,-29997,-29997,-29997]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 Nbd7 7. Nxc4 Nb6 8. Ne5 a5 9. f3 {D17: Slav Defence: 5 a4 Bf5: Lines with 6 Nh4 and 6 Ne5.} Nfd7 10. Bf4 Nxe5 {[#]} 11. dxe5 $146 {Black is slightly better.} ({Predecessor:} 11. Bxe5 f6 12. Bg3 Bg6 13. e4 e6 14. Be2 Bb4 15. O-O O-O 16. Bf2 f5 17. Qb3 {0-1 (52) Nielsen,P (2620)-Sokolov,I (2658) Reykjavik 2001}) 11... e6 12. e4 Bg6 13. Qb3 Bc5 14. Rd1 Qc7 15. Bc4 O-O 16. Bg3 Rad8 17. Ke2 Bd4 18. Rxd4 (18. Kf1 $17 {keeps fighting.}) 18... Rxd4 $19 19. Bf2 Qxe5 ({And not} 19... Nxc4 20. Bxd4 Nxe5 21. Bc5 $11) (19... Rxc4 20. Bxb6 Rxc3 21. bxc3 $15) 20. Bxd4 Qxd4 21. Bd3 {[#]} Nd5 $1 {[%mdl 512]} 22. Nxd5 (22. exd5 Bxd3+) 22... exd5 23. Rd1 Qe5 {Hoping for ...f5.} 24. Ke3 $2 (24. Kf2) 24... Qxh2 ({Much less strong is} 24... dxe4 25. Bxe4 Bxe4 26. fxe4 $19) 25. Qxb7 $2 (25. Kf2) 25... Qxg2 26. Qxc6 dxe4 27. Bxe4 Qxb2 28. Bxg6 hxg6 {[%mdl 4096] Endgame KQR-KQR} 29. f4 $2 (29. Rd5) 29... g5 30. fxg5 Qe5+ 31. Qe4 Qxg5+ 32. Kf2 Rb8 {...Rb2+ is the strong threat.} 33. Rd5 (33. Rb1 $19 Qf6+ 34. Ke2) 33... Rb2+ {Black mates.} 34. Kf1 Qc1+ 35. Qe1 {[#]} Qc4+ $1 {White got outplayed after the opening. Av CentiPawn Loss W=-85/B=-28. Weighted=-121/-30} 0-1

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.20"]
[Round "8.5"]
[White "Waltenberger, Udo"]
[Black "Glasewald, Stefan"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "2053"]
[BlackElo "1988"]
[Annotator "TA"]
[PlyCount "27"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,14,28,24,10,15,1,14]} 1. e4 c5 2. Nf3 e6 3. c3 d5 4. exd5 Qxd5 5. d4 cxd4 6. Qxd4 {B22: Sicilian: 2 c3.} Nf6 7. Nbd2 Nc6 {[#] Not much happened in this game.} {Predecessor:} 8. Qxd5 $146 Nxd5 9. a3 Be7 10. g3 O-O 11. Bg2 Bd7 12. O-O Rac8 13. c4 Nb6 14. b3 {0-1 (41) Kutzner,J-Sadeghi,B (2282) Frankfurt 2001} 1/2-1/2

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.20"]
[Round "8.6"]
[White "Appelt, Gerd"]
[Black "Kreutzkamp, Hans-Rudolf"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1997"]
[BlackElo "2046"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,52,12,16,-4,36,28,31,-24,-17,-20,-35,-68,-57,-104,-106,-183,-186,-471,-448,-629,-617,-1190,-1166,-1306,-1174,-1512,-1509,-1479,-1384,-1828,-1497,-1281,-1070,-1513,-1459,-1291,-1233,-29984,-29984]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. O-O d6 6. h3 h6 7. c3 O-O 8. b4 Bb6 9. Bb3 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} Qe7 10. Nbd2 {[#]} a5 $146 ({Predecessor:} 10... a6 11. Nc4 Ba7 12. a4 Be6 13. b5 Nb8 14. Re1 axb5 15. Ne3 bxa4 16. Bxa4 Nbd7 17. Ba3 Nc5 18. Bc2 Bb6 {1-0 (41) Hiermann,D (2090)-Heimrath,R (2150) Wuerzburg 1995}) 11. Nc4 (11. b5 $14 Nd8 12. Bc2) 11... axb4 $11 12. Nxb6 cxb6 13. c4 Nd7 14. Bd2 Nc5 15. Bc2 {[#]} (15. Be3 $17 {was worth a try.}) 15... f5 $1 $19 16. Qe1 $2 (16. Be3) 16... fxe4 {[%mdl 64] Discovered Attack} 17. dxe4 {[#]} (17. Nh2 $142 exd3 18. Bb3) 17... Rxf3 $1 {[%mdl 512]} 18. gxf3 Bxh3 19. Qe3 Bxf1 20. Kxf1 Nd4 21. Bd1 Ra3 22. Bxb4 Rxe3 23. fxe3 Nc6 24. Bc3 Qh4 {( -> ...Qh1+)} 25. Be2 {[#]} Nb4 $1 26. Kg2 {[#]} (26. Bxb4 Qh1+) 26... Nc2 $1 {[%mdl 64] Double Attack. Av CentiPawn Loss W=-202/B=-54. Weighted=-260/-37} 0-1

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.21"]
[Round "9.1"]
[White "Weidlich, Guenter"]
[Black "Koehler, Gerhard"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2172"]
[BlackElo "2211"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,55,57,61,49,49,49,55,55,55,49,51,51,83,87,94,97,137,131,135,139,225,225,225,225,239,239,303,307,539,521,530,493]} 1. Nf3 Nf6 2. d4 e6 3. g3 c5 4. c4 cxd4 5. Nxd4 a6 6. Bg2 Qc7 7. b3 Be7 8. O-O O-O 9. Bb2 d6 10. Nc3 Nc6 11. Rc1 Nxd4 12. Qxd4 Rb8 13. Rfd1 b6 14. Ne4 {[%cal Re4d6] A33: Symmetrical English: 2 Nf3 Nf6 3 d4 cxd4 4 Nxd4 e6 5 Nc3 Nc6.} Rd8 15. Nxf6+ Bxf6 16. Qd2 {White is slightly better.} Bxb2 17. Qxb2 Bb7 18. Bxb7 Qxb7 {[#]} 19. Qa3 $146 ({Predecessor:} 19. Rd2 b5 20. cxb5 axb5 21. Rdc2 b4 22. Qd4 Qa6 23. Qd2 d5 24. Qf4 Rf8 25. Rc6 Rb6 26. Rxb6 Qxb6 27. Rc2 {½-½ (27) Horvath,K (2100)-Somogyi,I (2225) Budapest 1998}) 19... d5 20. cxd5 Rxd5 21. Rxd5 exd5 $16 {[%mdl 4096] Endgame KQR-KQR} 22. Qd6 Rc8 (22... Re8 $16 23. e3 Qb8 24. Qxd5 h6) 23. Rxc8+ $18 Qxc8 24. Qxb6 ({Don't do} 24. Qxd5 $6 g6 $16) 24... h5 25. h4 g6 26. a4 Qf5 $2 {[#]} (26... g5 27. hxg5 h4) 27. Qxa6 Qb1+ 28. Kg2 {White took control after the opening. Av CentiPawn Loss W=-4/B=-35. Weighted=-1/-42} 1-0

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.21"]
[Round "9.2"]
[White "Schmidt, Joerg"]
[Black "Waltenberger, Udo"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2010"]
[BlackElo "2053"]
[Annotator "NA RC"]
[PlyCount "12"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 8,12,20,19,18,0,468]} 1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 3. Bb5 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 4. O-O {[%emt 0:00:57]} Bg7 {[%emt 0:00:00]} 5. Re1 {[%emt 0:02:23]} Nf6 {[%emt 0:00:00]} 6. Bxc6 {[%emt 0:00:52]} Ng8 $18 {[%mdl 8192]} (6... bxc6 $11 7. Nc3 O-O) 1/2-1/2

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.21"]
[Round "9.3"]
[White "Pruefer, Friedbert"]
[Black "Proschmann, Tino"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2249"]
[BlackElo "2108"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,53,0,149,145,145,127,605,615,846,846,795,806,994,643,634,625,618,562,544,576,567,554,589,563,552,493,577,530,525,520,612,601,580,554,618,593,651,651,802,777,1230,1183,1335,1313,29997,29998]} 1. d4 d5 2. Bf4 c5 3. e4 Nc6 4. Nc3 cxd4 5. exd5 e5 (5... dxc3 $11 6. dxc6 Qxd1+ 7. Rxd1 bxc6) 6. dxc6 $16 {D00: 1 d4 d5: Unusual lines.} exf4 7. Bb5 {[#]} Qe7+ $146 {[%mdl 8192]} (7... bxc6 $16 8. Qe2+ (8. Bxc6+ Bd7 $16) 8... Be7 9. Bxc6+ {[%mdl 64] Double Attack} Bd7 10. Bxd7+ Qxd7) ({Predecessor:} 7... bxc6 8. Bxc6+ Bd7 9. Bxa8 dxc3 10. Bf3 cxb2 11. Rb1 Bb4+ 12. Kf1 Qf6 13. Ne2 Ne7 {0-1 (25) Loeffler,S (2376)-Shirov,A (2644) Berlin 2018}) 8. Nge2 $18 {[#] Black must now prevent cxb7+.White is clearly winning.} b6 9. Qxd4 a6 10. Nd5 Qd6 11. Nxb6 axb5 12. Nxa8 Qxc6 13. Qe5+ Be7 14. Nc7+ Kf8 15. Nd4 Qd7 16. Ncxb5 Bf6 17. Qd6+ Ne7 18. Qxd7 Bxd7 19. c3 Ng6 20. a4 Ke7 21. O-O Ra8 22. Nc7 Ra5 23. Rfe1+ Kf8 24. Ndb5 Ne7 25. b4 Rxb5 26. axb5 {[#] White threatens Ra8+ and mate.} Bxc3 27. Ra8+ {Black got outplayed after the opening. Av CentiPawn Loss W=-31/B=-143. Weighted=-31/-132} 1-0

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.21"]
[Round "9.4"]
[White "Kreutzkamp, Hans-Rudolf"]
[Black "Kyas, Juergen"]
[Result "1-0"]
[ECO "B36"]
[WhiteElo "2046"]
[BlackElo "2202"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,67,32,27,36,43,50,18,25,-41,10,-21,0,-5,0,-69,-66,-151,-162,-148,-127,-139,-79,-110,-97,-127,-25,-175,-175,-179,-182,-189,-180,-179,-180,-254,422,437,425,420,641,426,431,412,439,411,29992,1943,1614,799,802,774]} 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. c4 Nf6 6. Nc3 d6 7. Be2 Nxd4 8. Qxd4 Bg7 9. O-O O-O 10. Qd1 Bd7 {B36: Sicilian: Maroczy Bind: Gurgenidze System.} 11. Be3 Bc6 12. Bd3 Nd7 {The position is equal.} 13. f4 {[#]} (13. Rc1 $11) 13... a5 $146 ({Black should play} 13... Bxc3 $15 14. bxc3 Qa5) ({Predecessor:} 13... Nc5 14. Qc2 Nxd3 15. Qxd3 a6 16. f5 Qa5 17. Bd4 Bxd4+ 18. Qxd4 Rac8 19. f6 exf6 20. Rxf6 {0-1 (53) Alarcon Pages,S (1948)-Serra Palomar,J (1924) Girona 2017}) 14. Kh1 a4 {[%cal Ba5a4,Ba4a3,Ba3b2][%mdl 32]} 15. Rc1 Qa5 16. Bb1 (16. a3 $11) 16... a3 $15 17. Bd4 ({Better is} 17. b4 $15 Qxb4 {[%mdl 64] Double Attack} 18. Nd5 Bxd5 19. cxd5) 17... axb2 $17 18. Rc2 e5 19. fxe5 dxe5 (19... Nxe5 $142 20. Rxb2 Nxc4 21. Bxg7 Kxg7 22. Qd4+ Ne5) 20. Be3 Nc5 $36 {[%mdl 2048] White is under strong pressure.} 21. Rcf2 Qb4 (21... Qxc3 $17 22. Bxc5 Rfc8) 22. Qd6 (22. Nd5 $1 $11 {and White stays safe.} Qa3 23. Bxc5 Qxc5 24. Rxb2) 22... Qxc3 $19 23. Qxc5 Ra5 24. Qb6 {Black should prevent Bd2.} Ra6 25. Qc5 Ra4 26. a3 (26. h3 {was forced.}) 26... Rxa3 $4 {[%mdl 8192]} (26... Rxc4 $19 27. Qb6 Bxe4 28. Rxb2 Rc6) 27. Bd2 $1 $18 Qb3 {aiming for ...Ra4.} 28. Rf3 Rfa8 (28... Qxf3 $142 29. gxf3 Rb3) 29. Rxb3 Rxb3 30. Qe7 f6 31. h4 Ra1 {[#]} (31... Re8 $18 32. Qc7 Rg3) 32. Qe6+ (32. Bh6 $142 $1 {[%mdl 512]} Rh3+ (32... Bxh6 33. Qe6+) 33. gxh3 Bxh6 34. Qe6+ Kf8 35. Rxf6+ Kg7 36. Rf7+ Kh8 37. Qc8+ Be8 38. Qxe8+ {[%mdl 64] Double Attack} Bf8 39. Qxf8#) 32... Kf8 {[#]} 33. Bb4+ (33. Bh6 $142 $1 {[%mdl 512]} Rf3 (33... Bxh6 34. Rxf6+) 34. Rxf3 Rxb1+ {[#]} 35. Kh2 $1 {[%mdl 512]} f5 36. exf5 Rh1+ 37. Kxh1 Bxf3 38. f6) 33... Rxb4 34. Qd6+ {[%mdl 64] Double Attack. Av CentiPawn Loss W=-111/B=-81. Weighted=-83/-170} 1-0

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.21"]
[Round "9.5"]
[White "Glasewald, Stefan"]
[Black "Schoehl, Gerd"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "1988"]
[BlackElo "1963"]
[Annotator "TA"]
[PlyCount "33"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,19,31,23,27,37,0,7,5]} 1. d4 d6 2. e4 Nf6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Bg5 Be6 7. O-O-O+ Kc8 8. f4 {B07: Pirc Defence: Miscellaneous Systems.} exf4 9. e5 Nfd7 10. Bxf4 {[#] Not much happened in this game.} {Predecessor:} h6 $146 11. h4 a6 12. Nf3 Nc6 13. Be2 g6 14. Rhe1 Bg7 15. Bd3 Nc5 16. Be4 Nxe4 17. Nxe4 {0-1 (48) Chylewski,P (2181)-Korpa,B (2449) Krakow 2015} 1/2-1/2

[Event "28th Saxony Seniors Open-ch 2020"]
[Site "Dresden"]
[Date "2020.10.21"]
[Round "9.6"]
[White "Moritz, Hartmut"]
[Black "Klemm, Guenter"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2066"]
[BlackElo "1848"]
[Annotator "TA"]
[PlyCount "21"]
[EventDate "2020.10.13"]
[EventType "swiss"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,21,50,60,53,135,139,114,128,173,153,539,534,828,826]} 1. e4 d5 2. exd5 Qxd5 3. Nf3 g6 4. Nc3 Qd8 5. Bc4 Nh6 6. d4 {[#] B01: Scandinavian Defence.} c6 $146 (6... Bg7 $14) ({Predecessor:} 6... Nf5 7. h4 Bg7 8. Be3 Nxe3 9. fxe3 h6 10. h5 g5 11. Qd3 Nd7 12. O-O-O Nb6 13. Bb3 {1-0 (24) Adhiban,B (2659)-Timofeev,A (2580) chess.com INT 2020}) 7. Bg5 Nf5 8. Qe2 h6 9. Ne5 {[%csl Ge5][%cal Rc4f7] [#]} Nd6 $2 (9... Rh7 $16 {is more resistant.}) 10. Ne4 $18 Nxc4 11. Nxc6 {White took control after the opening.} ({Stronger than} 11. Nxc4 Bg7 $11) ({Not} 11. Qxc4 Be6 $11) 1-0

