[Event "EOBCC TOP4 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "1.1"]
[White "Navara, David"]
[Black "Jones, Gawain C B"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2697"]
[BlackElo "2670"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2020.12.18"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,66,18,16,18,20,23,29,22,27,-85,-73,-143,-126,-140,-97,-109,-102,-107,-107,-141,-132,-172,-104,-93,-81,-199,-186,-358,-342,-383,-367,-378,-361,-398,-384,-451,-453,-452,-456,-435,-424,-432,-446,-498,-492,-512,-514,-612,-427,-504,-518,-737,-727,-1168,-1147,-1099,-709,-1099,-1014]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. a4 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} a6 7. O-O Ba7 8. Re1 {White has an edge.} Ng4 9. d4 (9. Re2 $11 {remains equal.}) 9... exd4 $17 10. Bg5 {[#]} (10. cxd4 $142 Nxd4 11. Nxd4) 10... f6 $1 {[%cal Rf6g5]} 11. Bh4 {[%cal Rc3d4]} Nge5 {[#]} 12. Be2 $146 {[%cal Rf3d4]} ({Predecessor:} 12. Nxe5 dxe5 13. Kh1 Qd6 14. f4 Bd7 15. fxe5 Nxe5 16. Bd5 Ng4 17. e5 Qxd5 18. exf6+ {0-1 (24) Antipov,M (2558)-Khademalsharieh,S (2491) Selfoss 2019}) 12... Nxf3+ 13. Bxf3 Be6 $36 {[%mdl 2048] Black has strong initiative.} 14. Bh5+ {[#]} g6 $1 {[%cal Rg6h5]} 15. Bg4 Qd7 (15... Bxg4 $19 16. Qxg4 Qe7) 16. Bxe6 Qxe6 17. Nd2 (17. b4 $17) 17... h5 $19 {...g5 is the strong threat.} 18. Nf3 $2 (18. cxd4 {was called for.} Nxd4 19. Bg3) 18... dxc3 19. Qd5 Kd7 20. bxc3 g5 21. Bxg5 fxg5 22. Nxg5 Qxd5 {Black is clearly winning.} 23. exd5 Ne5 24. Ne6 Rhg8 25. Re2 Rg4 26. h3 Rc4 27. Kh2 Rxc3 28. f4 Nf7 29. Rae1 {If only White now had time for Ng5....} Rg8 30. Ng5 Nxg5 31. Re7+ Kd8 32. fxg5 Bd4 33. g6 Be5+ {Weighted Error Value: White=0.76/Black=0.33} 0-1

[Event "EOBCC TOP4 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "1.1"]
[White "Shirov, Alexei"]
[Black "Bluebaum, Matthias"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "2662"]
[BlackElo "2670"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2020.12.18"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,61,19,12,11,13,6,-13,0,0,0,0,0,0,0,-33,-38,-33,-32,-39,-29,-37,-43,-29,-10,-8,0,0,0,-10,-8,-8,-7,-9,0,0,0,-20,0,0,0,-24,0,0]} 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Be2 cxd4 7. cxd4 Nge7 8. Na3 Nf5 9. Nc2 Bd7 10. O-O Be7 11. Bd3 Nb4 {[#] C02: French: Advance Variation.} ({Not} 11... Ncxd4 $2 12. Nfxd4 Nxd4 13. Be3 $18) 12. Bxf5 $146 ({Predecessor:} 12. Nxb4 Qxb4 13. Kh1 h6 14. Bd2 Qb6 15. a4 a5 16. Rc1 Bb4 17. Bxf5 exf5 18. Bxb4 Qxb4 19. Rc5 Bxa4 {½-½ (34) Lamorelle,Y (2225)-Sermier,G (2366) France 2006}) 12... exf5 13. Bg5 Bxg5 14. Nxb4 Qxb4 15. Nxg5 O-O 16. Nh3 Qxb2 17. Rb1 Qxa2 18. Rxb7 Be6 19. Nf4 Rfb8 20. Re7 Qa3 21. Rc7 Rc8 22. Qc2 Rxc7 23. Qxc7 Qa6 24. h4 h6 25. Rb1 Qc8 26. Qd6 Qd8 27. Qa6 Qc8 28. Qa5 Qd8 29. Qa6 Qc8 30. Qa5 Qd8 31. Qa6 {Weighted Error Value: White=0.07/Black=0.05} 1/2-1/2

[Event "EOBCC TOP4 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "1.2"]
[White "Bluebaum, Matthias"]
[Black "Shirov, Alexei"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2670"]
[BlackElo "2662"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2020.12.18"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,92,2,18,13,18,13,33,21,25,23,21,5,7,0,0,0,0,-2,12,0,0,0,22,20,19,-36,30,30,45,23,67,29,29,29,32,30,32,32,43,44,37,9,42,38,64,74,75,12,21,22,80,64,97,103,101,104,171,122,110,109,82,29,32,38,62,0,0,0,6,0,0,0,0,-3,0,-54,-24,-64,-13,-86,0,-230,-192,-760,-745]} 1. d4 d5 2. Nc3 Nf6 3. Bf4 c6 4. e3 Bf5 5. Nf3 h6 (5... Nbd7 {keeps more tension.} 6. Bd3 e6 7. O-O Be7 8. Re1 Qb6) 6. Bd3 {D00: 1 d4 d5: Unusual lines.} Bxd3 7. cxd3 Nbd7 8. h3 {White is slightly better.} e6 9. O-O Be7 {[#]} 10. Ne5 $146 ({Predecessor:} 10. Re1 Nf8 11. e4 Ng6 12. Bh2 O-O 13. Ne5 Nxe5 14. dxe5 Nd7 15. exd5 cxd5 16. a3 {0-1 (34) Lehmann,T (1703)-Bethke,R (2104) Heusenstamm 2016}) 10... O-O 11. Qf3 Qb6 12. Rab1 Qa6 13. Rfd1 Rac8 14. b4 Nxe5 15. dxe5 Nh7 16. d4 b6 17. Rdc1 (17. Qg4 $11 g5 18. Bg3) 17... Qd3 (17... Qa3 $15) 18. Rb3 $11 Qf5 19. Ne2 Ng5 20. Bxg5 (20. Qh5 {is interesting.} Rfe8 21. Ng3 Qh7 22. Bxg5 hxg5 23. Qe2) 20... Qxf3 21. gxf3 hxg5 22. Rbc3 Bxb4 23. Rxc6 Rxc6 24. Rxc6 {[%mdl 4096] Endgame KRB-KRN} Rb8 25. e4 dxe4 26. fxe4 Rd8 27. Kg2 b5 28. Ra6 (28. Rc7 $16) 28... Rd7 29. Kf3 Be7 (29... Kf8 $11) 30. Ke3 $16 b4 31. Nc1 Rc7 32. Nd3 Rd7 (32... Kf8 $16) 33. Ra5 Bd8 34. Rb5 Bb6 35. Rxb4 (35. Nc5 $16 Rc7 36. Na4 (36. Rxb4 Bxc5 37. dxc5 Rxc5 $11)) 35... Rc7 $11 36. a4 Rc3 37. Rb5 (37. Ke2 $14) 37... Ra3 $1 38. a5 Bxa5 39. d5 Bb6+ 40. Ke2 Ra2+ 41. Kd1 Kf8 ({But not} 41... Bxf2 $2 42. Nxf2 Ra1+ 43. Ke2 $18) 42. Rb3 (42. Nb2 $11) 42... Ke7 ({Not} 42... Bxf2 $2 43. Rb8+ Ke7 44. d6+ Kd7 45. Rb7+ Kc6 46. Rc7+ Kb6 47. Nxf2 $18) 43. Rc3 Kd7 (43... Ra5 $15 44. dxe6 Kxe6) 44. Rc4 (44. Nc5+ $11 {keeps the balance.} Ke8 45. dxe6) 44... Bxf2 (44... exd5 $17 45. exd5 Ra5) 45. Nb4 $2 (45. Nxf2 $11 {and White has nothing to worry.} Rxf2 46. Ra4) 45... Ra4 $19 {[#] ...a5 is the strong threat.} 46. Kc2 $2 (46. Rc2) 46... a5 {Weighted Error Value: White=0.48/Black=0.17} 0-1

[Event "EOBCC TOP4 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "1.2"]
[White "Jones, Gawain C B"]
[Black "Navara, David"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2670"]
[BlackElo "2697"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2020.12.18"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,79,14,9,16,-21,12,14,4,2,29,31,47,25,29,22,66,63,61,65,80,60,87,91,87,88,111,108,108,100,122,122,189,86,150,119,188,179,185,179,184,177,273,254,294,267,268,279,368,368,372,325,458,419,420,311,303,303,292,287,451,437,478,414,476,487,452,420,646,477,611,603]} 1. e4 c5 2. Nf3 e6 3. Nc3 Nc6 4. Bb5 Nd4 5. O-O a6 6. Bd3 Nc6 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} 7. Nd5 $5 {[%mdl 4] Leaves trodden paths.} g6 8. Re1 Bg7 {The position is equal.} 9. c3 {[#]} Nge7 $146 ({Predecessor:} 9... d6 10. Ne3 Nge7 11. Bc2 e5 12. a3 O-O 13. b4 b5 14. Rb1 h6 15. Bb2 f5 16. bxc5 dxc5 {½-½ (42) Zvjaginsev,V (2648)-Bukavshin,I (2647) Kaliningrad 2015}) 10. Nxe7 Qxe7 11. Bc2 e5 12. d4 d6 {[%cal Re5d4]} 13. dxc5 dxc5 14. Be3 Bg4 15. Bb3 O-O 16. h3 Rfd8 {[#]} 17. Qe2 $1 Bxf3 18. Qxf3 Rd7 19. Rad1 Rad8 20. Bd5 Na7 (20... Bf8 $16 21. Re2 Qh4) 21. Qg4 (21. b4 $1 $18 {is more deadly.} b6 22. bxc5 bxc5 23. a4) 21... Kh8 ({Black should play} 21... Nc8) 22. Bb3 {Black must now prevent Bxc5!} b6 (22... h5 $16 {was called for.} 23. Qe2 Kh7) 23. Rxd7 $18 Rxd7 24. Rd1 Rxd1+ 25. Qxd1 Nb5 (25... Bf6 $142 26. Bc4 Kg7 27. Bxa6 h6) 26. Qd5 Nd6 27. Qa8+ Bf8 28. Qxa6 Qc7 {[#]} 29. Qa8 $1 {[%cal Ra8f8]} Kg8 30. Bd5 h5 (30... Qd7 $142 31. Qb8 Nc8 32. Qxe5 Bd6) 31. a4 Nc8 32. Qb7 Qxb7 33. Bxb7 {[%mdl 4096] Endgame KBB-KBN} Nd6 34. Bd5 Kg7 (34... Nc8 $142 35. Bd2 Be7) 35. b4 {[%cal Bb2b4,Bb4a5][%mdl 32]} Nc8 36. a5 bxa5 37. bxa5 Bd6 38. Kf1 Kf6 (38... f5 $142 39. Bg5 Bb8) 39. Ke2 Ke7 40. Kd3 {Weighted Error Value: White=0.20/Black=0.45} 1-0

[Event "EOBCC TOP4 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "1.3"]
[White "Navara, David"]
[Black "Jones, Gawain C B"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "2697"]
[BlackElo "2670"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2020.12.18"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,95,37,20,16,26,41,43,52,-29,-29,-25,-29,-35,11,9,9,6,6,6,5,8,8,7,87,81,128,127,128,138,168,165,197,202,254,246,357,358,345,350,345,220,229,229,235,241,238,229,380,379,424,415,436,422,492,496,491,456,604,602,808,777,802,816,901,861,3104,2274,29976,29972,29979,29978,29983,29984,29984,29984,29989,29990]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O exd4 8. Nxd4 Re8 9. f3 c6 10. Nc2 Na6 11. Kh1 Nc7 {E94: King's Indian: Classical: 6 Be2 e5 7 0-0: Various Black 7th moves.} 12. Bg5 h6 13. Bh4 d5 {[#] White is slightly better.} 14. f4 $146 (14. cxd5 $14 cxd5 15. Rc1) ({Predecessor:} 14. cxd5 cxd5 15. Nb4 dxe4 16. Qxd8 Rxd8 17. fxe4 g5 18. Bg3 Ne6 19. Nbd5 Nxd5 20. Nxd5 {½-½ (20) Malykin,V (2388)-Melamed,T (2281) Nordhorn 2015}) 14... dxe4 $11 15. Qxd8 Rxd8 16. Nxe4 {[%mdl 64] Pin} Re8 17. Nxf6+ Bxf6 18. Bxf6 {Bd3 is the strong threat.} Rxe2 19. Nd4 $36 {[%mdl 2048] White is more active.} Re4 20. Rae1 Rxe1 21. Rxe1 {And now Re7 would win.} Ne6 {[#]} (21... Bg4 $11) 22. f5 $1 $16 {[%cal Rf5e6] Black is now going downhill.} gxf5 23. Nxf5 Kh7 {Strongly threatening ...Kg6.} 24. Nd6 Bd7 25. Nxb7 Rb8 26. Nd6 Kg6 27. Rf1 Ng5 (27... c5 $142 28. Be5 f5 29. Nxf5 Rf8) 28. Be5 $18 f5 29. h4 Nh7 30. Nxf5 Re8 {[#]} 31. h5+ $1 Kg5 32. Nd6 Re7 33. Bd4 Be6 $2 (33... a5 {might work better.} 34. Nf7+ Kxh5) 34. Re1 Nf8 35. Re5+ Kf4 36. g3+ {[%mdl 64] Deflection, Decoy} Kxg3 37. Nf5+ Bxf5 38. Rxe7 {[%mdl 4096] Endgame KRB-KBN} Ne6 39. Bxa7 Ng5 40. Bb8+ Kf3 41. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Bd3 42. b3 Ne4 43. a5 Kf2 44. Kh2 {White mates.} Ng5 45. Ba7+ Kf3 46. Re3+ {[%mdl 64] Double Attack} Kg4 47. Rxd3 Nf3+ {[#]} 48. Rxf3 $1 {Weighted Error Value: White=0.12/Black=0.58} 1-0

[Event "EOBCC TOP4 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "1.3"]
[White "Shirov, Alexei"]
[Black "Bluebaum, Matthias"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "2662"]
[BlackElo "2670"]
[Annotator "RC"]
[PlyCount "132"]
[EventDate "2020.12.18"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 {[%emt 0:00:00]} e6 {[%emt 0:00:01]} 2. d4 {[%emt 0:00:02]} d5 {[%emt 0:00:01]} 3. e5 {[%emt 0:00:01]} c5 {[%emt 0:00:01]} 4. c3 {[%emt 0:00:01]} Nc6 {[%emt 0:00:01]} 5. Nf3 {[%emt 0:00:01]} Qb6 {[%emt 0:00:01]} 6. Be2 {[%emt 0:00:01]} cxd4 {[%emt 0:00:01]} 7. cxd4 {[%emt 0:00:02]} Nge7 {[%emt 0:00:01]} 8. Na3 {[%emt 0:00:03]} Nf5 {[%emt 0:00:01]} 9. Nc2 {[%emt 0:00:02]} Bd7 {[%emt 0:00:01]} 10. O-O {[%emt 0:00:02]} Be7 {[%emt 0:00:01]} 11. Bd3 {[%emt 0:00:03]} a5 {[%emt 0:00:06]} 12. Bxf5 {[%emt 0:00:15]} exf5 {[%emt 0:00:01]} 13. Bg5 {[%emt 0:00:02]} Bf8 {[%emt 0:00:04]} 14. h4 {[%emt 0:00:20]} h6 {[%emt 0:00:01]} 15. Be3 {[%emt 0:00:02]} Be7 {[%emt 0:00:02]} 16. h5 {[%emt 0:00:06]} Rc8 {[%emt 0:00:02]} 17. Nfe1 {[%emt 0:00:04]} a4 {[%emt 0:00:17]} 18. Nd3 {[%emt 0:00:04]} Na5 {[%emt 0:00:01]} 19. Nc5 {[%emt 0:00:08]} Qd8 {[%emt 0:00:50]} 20. Nb4 {[%emt 0:00:33]} b6 {[%emt 0:00:12]} 21. Ncd3 {[%emt 0:00:01]} Bb5 {[%emt 0:00:10]} 22. Re1 {[%emt 0:00:02]} Nc6 {[%emt 0:00:29]} 23. Nxc6 {[%emt 0:00:10]} Rxc6 {[%emt 0:00:01]} 24. Nf4 {[%emt 0:00:06]} O-O {[%emt 0:00:14]} 25. Qf3 {[%emt 0:00:14]} Bc4 {[%emt 0:00:01]} 26. Reb1 {[%emt 0:00:04]} Bg5 {[%emt 0:00:12]} 27. b3 {[%emt 0:00:02]} Bxf4 {[%emt 0:00:06]} 28. Bxf4 {[%emt 0:00:03]} axb3 {[%emt 0:00:01]} 29. axb3 {[%emt 0:00:03]} Bb5 {[%emt 0:00:01]} 30. Rc1 {[%emt 0:00:09]} Qd7 {[%emt 0:00:02]} 31. Rxc6 {[%emt 0:00:03]} Bxc6 {[%emt 0:00:03]} 32. Qg3 {[%emt 0:00:32]} Kh7 {[%emt 0:00:02]} 33. Rc1 {[%emt 0:00:04]} Ra8 {[%emt 0:00:07]} 34. Qc3 {[%emt 0:00:03]} Rc8 {[%emt 0:00:09]} 35. Qb4 {[%emt 0:00:02]} Qb7 {[%emt 0:00:11]} 36. Qd6 {[%emt 0:00:04]} Bd7 {[%emt 0:00:01]} 37. Rxc8 {[%emt 0:00:12]} Bxc8 {[%emt 0:00:01]} 38. Kh2 {[%emt 0:00:08]} Be6 {[%emt 0:00:01]} 39. f3 {[%emt 0:00:02]} Qa6 {[%emt 0:00:02]} 40. Qb4 {[%emt 0:00:02]} Qa7 {[%emt 0:00:05]} 41. Qc3 {[%emt 0:00:03]} Qa2 {[%emt 0:00:03]} 42. Qb4 {[%emt 0:00:03]} Bc8 {[%emt 0:00:12]} 43. Qxb6 {[%emt 0:00:10]} Ba6 {[%emt 0:00:01]} 44. Qb4 {[%emt 0:00:01]} Bf1 {[%emt 0:00:03]} 45. Qd2 {[%emt 0:00:02]} Qxb3 {[%emt 0:00:02]} 46. Qe3 {[%emt 0:00:02]} Qb2 {[%emt 0:00:08]} 47. Qd2 {[%emt 0:00:01]} Qb6 {[%emt 0:00:01]} 48. Qe3 {[%emt 0:00:02]} Bc4 {[%emt 0:00:02]} 49. Qd2 {[%emt 0:00:02]} Ba6 {[%emt 0:00:02]} 50. Qe3 {[%emt 0:00:01]} Qd8 {[%emt 0:00:02]} 51. Qf2 {[%emt 0:00:03]} Bc8 {[%emt 0:00:01]} 52. Qg3 {[%emt 0:00:02]} Qa5 {[%emt 0:00:04]} 53. Be3 {[%emt 0:00:03]} Be6 {[%emt 0:00:01]} 54. Qf2 {[%emt 0:00:02]} Qc3 {[%emt 0:00:03]} 55. Bd2 {[%emt 0:00:02]} Qd3 {[%emt 0:00:01]} 56. Bb4 {[%emt 0:00:03]} f4 {[%emt 0:00:13]} 57. Bc5 {[%emt 0:00:01]} Qf5 {[%emt 0:00:02]} 58. Qh4 {[%emt 0:00:01]} Qg5 {[%emt 0:00:01]} 59. Qxg5 {[%emt 0:00:04]} hxg5 {[%emt 0:00:01]} 60. Be7 {[%emt 0:00:01]} Kh6 {[%emt 0:00:01]} 61. Bf8 {[%emt 0:00:02]} g4 {[%emt 0:00:05]} 62. g3 {[%emt 0:00:05]} fxg3+ {[%emt 0:00:05]} 63. Kxg3 {[%emt 0:00:02]} gxf3 {[%emt 0:00:01]} 64. Kxf3 {[%emt 0:00:01]} Kxh5 {[%emt 0:00:02]} 65. Bxg7 {[%emt 0:00:02]} Kg6 {[%emt 0:00:01]} 66. Bf6 {[%emt 0:00:02]} Kf5 {[%emt 0:00:03]} 1/2-1/2

[Event "EOBCC TOP4 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "1.4"]
[White "Bluebaum, Matthias"]
[Black "Shirov, Alexei"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2670"]
[BlackElo "2662"]
[Annotator "RC"]
[PlyCount "151"]
[EventDate "2020.12.18"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:03]} 2. Nc3 {[%emt 0:00:01]} e6 {[%emt 0:00:02]} 3. Bf4 {[%emt 0:00:02]} c5 {[%emt 0:00:12]} 4. e3 {[%emt 0:00:03]} a6 {[%emt 0:00:06]} 5. g4 {[%emt 0:00:05]} Nc6 {[%emt 0:00:02]} 6. Nf3 {[%emt 0:00:14]} Bd6 {[%emt 0:00:04]} 7. Bg3 {[%emt 0:00:26]} Nge7 {[%emt 0:00:21]} 8. Bg2 {[%emt 0:00:09]} b5 {[%emt 0:00:03]} 9. Ne2 {[%emt 0:00:02]} Bb7 {[%emt 0:00:30]} 10. c3 {[%emt 0:00:02]} Rc8 {[%emt 0:00:04]} 11. Rc1 {[%emt 0:00:02]} b4 {[%emt 0:00:07]} 12. dxc5 {[%emt 0:00:42]} Bxc5 {[%emt 0:00:02]} 13. O-O {[%emt 0:00:05]} O-O {[%emt 0:00:03]} 14. cxb4 {[%emt 0:00:11]} Bxb4 {[%emt 0:00:03]} 15. Qb3 {[%emt 0:00:02]} a5 {[%emt 0:00:15]} 16. a3 {[%emt 0:00:03]} Ba6 {[%emt 0:00:01]} 17. axb4 {[%emt 0:00:30]} Bxe2 {[%emt 0:00:02]} 18. Rfe1 {[%emt 0:00:01]} Bxf3 {[%emt 0:00:04]} 19. Bxf3 {[%emt 0:00:01]} Nxb4 {[%emt 0:00:02]} 20. Rxc8 {[%emt 0:00:06]} Qxc8 {[%emt 0:00:04]} 21. Bd6 {[%emt 0:00:01]} Qd7 {[%emt 0:00:03]} 22. Bg3 {[%emt 0:00:13]} Nec6 {[%emt 0:00:08]} 23. h4 {[%emt 0:00:04]} e5 {[%emt 0:00:04]} 24. Rd1 {[%emt 0:00:03]} Rd8 {[%emt 0:00:04]} 25. Qa4 {[%emt 0:00:07]} Qe6 {[%emt 0:00:09]} 26. g5 {[%emt 0:00:13]} h6 {[%emt 0:00:11]} 27. Kh2 {[%emt 0:00:05]} hxg5 {[%emt 0:00:02]} 28. hxg5 {[%emt 0:00:01]} d4 {[%emt 0:00:11]} 29. Bg2 {[%emt 0:00:06]} d3 {[%emt 0:00:27]} 30. Qb5 {[%emt 0:00:01]} e4 {[%emt 0:00:02]} 31. Bh3 {[%emt 0:00:06]} Qe7 {[%emt 0:00:02]} 32. g6 {[%emt 0:00:02]} Rd5 {[%emt 0:00:10]} 33. gxf7+ {[%emt 0:00:03]} Qxf7 {[%emt 0:00:02]} 34. Qc4 {[%emt 0:00:01]} Qf3 {[%emt 0:00:09]} 35. Rd2 {[%emt 0:00:05]} Kh7 {[%emt 0:00:01]} 36. Bg2 {[%emt 0:00:01]} Qh5+ {[%emt 0:00:06]} 37. Kg1 {[%emt 0:00:02]} Ne5 {[%emt 0:00:02]} 38. Qxe4+ {[%emt 0:00:02]} g6 {[%emt 0:00:02]} 39. f4 {[%emt 0:00:03]} Ng4 {[%emt 0:00:02]} 40. Qe7+ {[%emt 0:00:01]} Kg8 {[%emt 0:00:02]} 41. Qe8+ {[%emt 0:00:01]} Kg7 {[%emt 0:00:02]} 42. Qe7+ {[%emt 0:00:02]} Kg8 {[%emt 0:00:02]} 43. Qe6+ {[%emt 0:00:01]} Kg7 {[%emt 0:00:05]} 44. Bxd5 {[%emt 0:00:01]} Nxd5 {[%emt 0:00:01]} 45. Rxd3 {[%emt 0:00:01]} Ngxe3 {[%emt 0:00:04]} 46. Rxe3 {[%emt 0:00:03]} Nxe3 {[%emt 0:00:01]} 47. Qxe3 {[%emt 0:00:01]} Qd1+ {[%emt 0:00:01]} 48. Be1 {[%emt 0:00:02]} a4 {[%emt 0:00:02]} 49. Kf2 {[%emt 0:00:02]} Qc2+ {[%emt 0:00:01]} 50. Qe2 {[%emt 0:00:01]} Qc5+ {[%emt 0:00:04]} 51. Kg3 {[%emt 0:00:01]} Kh7 {[%emt 0:00:02]} 52. Bf2 {[%emt 0:00:10]} Qb4 {[%emt 0:00:02]} 53. Qc2 {[%emt 0:00:05]} a3 {[%emt 0:00:02]} 54. bxa3 {[%emt 0:00:00]} Qxa3+ {[%emt 0:00:01]} 55. Kg4 {[%emt 0:00:01]} Qd6 {[%emt 0:00:02]} 56. Qe4 {[%emt 0:00:03]} Qd7+ {[%emt 0:00:01]} 57. Kg3 {[%emt 0:00:01]} Qd1 {[%emt 0:00:02]} 58. Qe7+ {[%emt 0:00:01]} Kh6 {[%emt 0:00:02]} 59. Qg5+ {[%emt 0:00:03]} Kh7 {[%emt 0:00:01]} 60. Qe7+ {[%emt 0:00:01]} Kh6 {[%emt 0:00:02]} 61. Qe3 {[%emt 0:00:02]} Kh7 {[%emt 0:00:01]} 62. Qf3 {[%emt 0:00:00]} Qd6 {[%emt 0:00:03]} 63. Be3 {[%emt 0:00:03]} Qd3 {[%emt 0:00:03]} 64. Kf2 {[%emt 0:00:03]} Qc2+ {[%emt 0:00:01]} 65. Qe2 {[%emt 0:00:01]} Qe4 {[%emt 0:00:02]} 66. Qb5 {[%emt 0:00:02]} Qc2+ {[%emt 0:00:02]} 67. Kg3 {[%emt 0:00:02]} Qe4 {[%emt 0:00:02]} 68. Qd7+ {[%emt 0:00:01]} Kh6 {[%emt 0:00:03]} 69. Qd4 {[%emt 0:00:03]} Qe8 {[%emt 0:00:01]} 70. f5+ {[%emt 0:00:05]} Kh7 {[%emt 0:00:02]} 71. f6 {[%emt 0:00:04]} g5 {[%emt 0:00:02]} 72. Bxg5 {[%emt 0:00:03]} Kg6 {[%emt 0:00:04]} 73. Bf4 {[%emt 0:00:03]} Qe6 {[%emt 0:00:02]} 74. Be5 {[%emt 0:00:01]} Kf5 {[%emt 0:00:02]} 75. Qf4+ {[%emt 0:00:02]} Kg6 {[%emt 0:00:01]} 76. Qg4+ {[%emt 0:00:01]} 1-0

[Event "EOBCC TOP4 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "1.4"]
[White "Jones, Gawain C B"]
[Black "Navara, David"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "2670"]
[BlackElo "2697"]
[Annotator "TA"]
[PlyCount "132"]
[EventDate "2020.12.18"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,131,9,6,28,-19,0,0,7,16,9,10,15,0,26,16,13,13,34,29,34,20,47,46,48,47,52,-14,-3,-10,0,0,0,0,30,26,39,-40,0,-26,0,-296,-253,-421,-426,-579,-390,-416,-400,-362,-264,-477,-301,-294,-278,-366,-359,-358,-353,-362,-337,-525,-520,-510,-514,-601,-511,-715,-467,-575,-460,-480,-491,-579,-410,-422,-425,-536,-510,-524,-511,-587,-558,-437,-512,-925,-911,-1023,-934,-981,-965,-902,-884,-679,-610,-1545,-1537,-1526,-1305,-1531,-1454,-1338,-1122,-1045,-1026,-29977,-29977,-29973,-6403,-2911,-2239,-29982,-29983,-29988,-29987,-29987,-29974,-29991,-29992,-29992,-29993,-29998,-29999,-29999]} 1. e4 c5 2. Nf3 e6 3. Nc3 Nc6 4. Bb5 Nd4 5. O-O a6 6. Bd3 Nc6 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} 7. Nd5 g6 8. Re1 d6 {The position is equal.} 9. Ne3 Bg7 10. c3 Nge7 11. Bc2 e5 12. a3 O-O {[#]} 13. d3 $146 ({Predecessor:} 13. b4 b5 14. Rb1 h6 15. Bb2 f5 16. bxc5 dxc5 17. a4 Qd6 18. Ba3 Be6 19. d3 {½-½ (42) Zvjaginsev,V (2648)-Bukavshin,I (2647) Kaliningrad 2015}) 13... Kh8 14. b4 b5 15. Bb2 Bb7 16. Bb3 h6 17. Qd2 f5 18. Nd5 (18. exf5 $14 gxf5 19. Nh4) 18... fxe4 $11 19. dxe4 c4 20. Nxe7 Qxe7 21. Bc2 Rxf3 22. gxf3 Rf8 23. Re3 (23. Qd1 $14) 23... Bf6 24. Rd1 Rd8 25. f4 $2 {[%mdl 8192] Black converts the advantage convincingly.} (25. Ree1 $11 {and White has nothing to worry.} Bg5 26. Qe2) 25... exf4 $19 26. Rh3 $2 (26. Ree1 {keeps fighting.} g5 27. Qe2) 26... Bg5 {Hoping for ...Qe6.} 27. Qe2 Ne5 28. Rf3 Bc8 {Strongly threatening ...Bg4.} (28... Nxf3+ $2 29. Qxf3 Kg7 30. Bc1 $19) 29. h3 Qe6 (29... Nxf3+ 30. Qxf3 Bb7 31. a4 $17) 30. Kh2 $2 (30. a4 {was called for.}) 30... Nxf3+ 31. Qxf3 Bf6 32. Bc1 Be5 33. Rh1 Kh7 34. Kg2 Qf6 35. h4 (35. a4 $142) 35... h5 {...Bg4 is the strong threat.} 36. Qd1 Bxc3 37. f3 Be5 38. Qd5 Qe6 39. Qc6 Qd7 40. Qxd7+ Bxd7 ({Less strong is} 40... Rxd7 41. Kf2 $19) 41. Rd1 Bc6 42. Rh1 Kg7 43. Kf1 {[#]} a5 $1 44. bxa5 Ra8 45. Bd2 c3 46. Bc1 Rxa5 47. Ke2 {[#]} (47. Bb3 $142 Ra7 48. Ke1) 47... b4 $1 48. axb4 Bb5+ 49. Kd1 Ra2 50. Rg1 Kf6 51. Rg2 {[#]} Bd3 $1 {[%mdl 512]} 52. Rf2 (52. Bxd3 Rxg2) 52... Ke7 53. Rg2 Kd7 54. b5 Kc7 55. Rh2 Kb6 56. Rg2 Kc5 57. Rh2 Bxb5 58. Rh1 Ba4 (58... Kc4 $142 59. Rg1 Be8 60. Rh1 Bd4 61. Bxf4 Ra1+ 62. Bc1 Be3 63. Ke2 Rxc1 64. Rxc1 Bxc1 65. Ke1 Bf4 66. Kd1 Kd4 67. Bb3 Bg3 68. Kc2 Bxh4 69. f4 Bg3 70. Kd1 h4 71. Ke2 Kxe4 72. f5 Bb5+ 73. Kd1 Bd3 74. fxg6 h3 75. g7 h2 76. Bd5+ Kd4 77. g8=Q c2+ 78. Kc1 Bf4+ 79. Kb2 c1=Q+ 80. Kb3 Qb1+ 81. Ka4 Qb5+ {[%mdl 64] Double Attack} 82. Ka3 Bc1+ 83. Ka2 Qb2#) 59. Bxa4 Rxa4 {[%mdl 4096] Endgame KRB-KRB} 60. Rg1 Kc4 {Black mates.} 61. Rxg6 {Cut Off at move 61} Kd3 62. Rg2 Ra1 63. Rh2 Bd4 64. Rc2 Be3 65. Rd2+ cxd2 {[%csl Ga1,Ge3][%cal Rd2c1][%mdl 64] Pin} 66. e5 Rxc1# {Weighted Error Value: White=0.64/Black=0.33} 0-1

[Event "EOBCC TOP4 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "1.5"]
[White "Navara, David"]
[Black "Jones, Gawain C B"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2697"]
[BlackElo "2670"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2020.12.18"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,74,18,17,10,21,18,25,4,27,24,27,20,28,16,28,36,32,29,51,54,61,50,57,29,36,9,18,2,16,16,16,15,17,25,24,19,19,0,0,0,0,-26,-25,-98,-100,-82,-101,-266,-284,-446,-457,-768,-791,-757,-780,-770,-756,-731,-608,-805,-790,-1122,-1102,-1371,-1333,-1239,-1197]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. a4 {Black must now prevent b4. C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} a6 7. O-O Ba7 8. h3 {White has an edge.} h6 (8... O-O {keeps more tension.} 9. Nbd2 Bd7 10. Re1 b5 11. Ba2 h6) 9. Be3 {[#]} Qe7 $146 ({Predecessor:} 9... O-O 10. Nbd2 Bxe3 11. fxe3 Ne7 12. Nh4 Be6 13. Bxe6 fxe6 14. d4 Qd7 15. Qb3 exd4 16. cxd4 {½-½ (28) Robson,N (2617)-Ostriker,J (2561) ICCF email 2018}) 10. Bxa7 Rxa7 11. Na3 {[%cal Bb1a3,Ba3c4,Bc4e3,Be3d5][%mdl 32]} Be6 12. Re1 O-O 13. d4 {Threatens to win with d5.} Bxc4 14. Nxc4 a5 15. Ne3 Re8 16. Nd5 Qd8 17. Qd2 Ra8 18. Rac1 Nb8 {[%cal Bc6b8,Bb8d7,Bd7c5,Bc5a4,Ba4b2][%mdl 32]} 19. dxe5 dxe5 20. Rcd1 c6 21. Nxf6+ Qxf6 22. Qe3 Qe7 23. Rd2 Nd7 24. Red1 Nc5 25. Rd6 Nxa4 26. b3 (26. Rd7 $11 {remains equal.} Qc5 27. Qe2 (27. Rxb7 Qxe3 28. fxe3 Nc5 $15)) 26... Nb2 $17 27. R1d2 {Hoping for Rd7.} a4 28. Rd7 $2 {[#] This costs White the game.} (28. c4 $17) 28... Qe6 $1 $19 29. Qb6 (29. Rxb7 {might work better.} a3 30. Qe1) 29... a3 {...a2 is the strong threat.Black is clearly winning.} 30. R2d6 {[#]} (30. Ne1 $142 a2 31. Nc2) 30... Qxd6 $1 {[%mdl 576] Promotion} 31. Rxd6 a2 32. Qxb7 a1=Q+ 33. Kh2 Qa7 34. Qxc6 Qxf2 35. Rd2 Qe3 36. Rxb2 Qf4+ 37. Kg1 Qc1+ {[%mdl 64] Double Attack. Accuracy: White = 58%, Black = 100%.} 0-1

[Event "EOBCC TOP4 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "1.5"]
[White "Bluebaum, Matthias"]
[Black "Shirov, Alexei"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2670"]
[BlackElo "2662"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2020.12.18"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,88,11,13,23,38,40,108,1,0,-92,-89,-128,-27,-128,-130,-129,-132,-126,-126,-126,-129,-140,-140,-142,-143,-159,-93,-85,-79,-182,-109,-131,-99,-325,-137,-137,-122,-121,-127,-141,-118,-117,-110,-116,-97,-126,-125,-125,-125,-130,-116,-178,-181,-451,-382,-613,-607,-533,-540,-691,-675,-818,-803,-1150,-1222,-1164,0,-970,0,-1008,-603,-1070,-1083,-972,-922,-837,0,-942,-866,-1165,-1085]} 1. d4 d5 2. Nc3 Nf6 3. Bf4 Bf5 4. e3 e6 5. Nf3 Bd6 6. Ne5 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Nfd7 $5 {[%mdl 4] An interesting side line.} 7. g4 Bxe5 ({Better is} 7... Bg6 $14) 8. dxe5 (8. Bxe5 $16 Be4 9. Nxe4 (9. Bxg7 Bxh1 10. Bxh8 Nc6 $11) 9... Nxe5 10. dxe5 dxe4 11. Qxd8+ Kxd8 12. O-O-O+ Ke7 13. Rd4) 8... Bg6 $11 {[#]} 9. Bg2 $146 (9. h4 $11 h5 10. Bd3) ({Predecessor:} 9. h4 h5 10. g5 Nc6 11. Bb5 Nb4 12. Ba4 c6 13. a3 Na6 14. b4 Nc7 15. Bb3 {0-1 (29) Moradiabadi,E (2539)-Drozdovskij,Y (2561) playchess.com INT 2006}) 9... Nc6 $17 10. Bg3 Ndxe5 ({Much worse is} 10... Ncxe5 $6 11. f4 $11) (10... h5 $17 11. f4 hxg4) 11. Nb5 (11. f4 $11 {keeps the balance.} Nc4 12. Qe2) 11... h5 12. h3 hxg4 13. hxg4 Rxh1+ 14. Bxh1 Qe7 {aiming for ...Qb4+.} 15. a3 a6 16. Nd4 O-O-O 17. Qe2 Nxd4 (17... Nc4 $142 18. Nxc6 bxc6) 18. exd4 Nc4 {[#]} 19. O-O-O (19. Bxd5 $1 $17 {[%mdl 512] might work better.} Nxb2 (19... Rxd5 20. Qxc4) 20. Bf3) 19... Rh8 (19... Qe8 $19 20. Qe1 Qa4) 20. Bg2 Qd7 21. Be5 $2 (21. Qe1 $17) 21... Nxe5 (21... Qc6 $19 {White must now prevent ...Qb6.} 22. Bxg7 Rh2) 22. Qxe5 f6 23. Qe3 Qd6 24. Bf1 Qc6 $40 {[%csl Gg6][%cal Rc6c2][%mdl 128] Black wants a kill.} 25. Bd3 Bxd3 26. Qxd3 {[%mdl 4096] Endgame KQR-KQR} Qd6 27. Qe3 g5 28. Re1 Kd7 29. Kb1 Rh4 30. Qf3 (30. f3 $17 {was worth a try.}) 30... Qf4 $19 31. Qb3 $2 (31. Qd3) 31... Qxd4 32. Qxb7 $2 (32. f3 b6 33. Rc1) 32... Qxf2 33. Rd1 Qb6 34. Qa8 Rxg4 35. Qg8 Rg1 36. Qf7+ Kd6 37. Qf8+ Kd7 38. Qf7+ $1 {[#]} Kd6 $2 ({Black should try} 38... Kc8 $1 $19 39. Rxg1 Qxg1+ 40. Ka2 Qd4 41. Qxe6+ Kb7) 39. Rxg1 $4 {[%mdl 8192]} (39. Qf8+ $11 Ke5 40. Rxg1 Qxg1+ 41. Ka2) 39... Qxg1+ $11 {KQ-KQ} 40. Ka2 Qd4 41. Qf8+ Kd7 42. Qf7+ Kd6 $2 (42... Kc6 $19 {Hoping for ...Qc4+.} 43. Qxe6+ Kb7) 43. Qg6 $2 {[%mdl 8192]} (43. Qf8+ $11 Ke5 44. Qg7) 43... Qc4+ $19 44. b3 Qe4 {Weighted Error Value: White=0.92/Black=0.50} 0-1

[Event "EOBCC TOP4 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "2.1"]
[White "Bluebaum, Matthias"]
[Black "Navara, David"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "2670"]
[BlackElo "2697"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2020.12.18"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,103,15,28,23,22,22,33,25,24,-82,-83,-89,-76,-94,-95,-85,-86,-86,-74,-79,-81,-135,-142,-151,-147,-142,-102,-185,-187,-191,-120,-175,-183,-181,-176,-165,-128,-125,-125,-110,-119,-120,-125,-116,-116,-122,-109,-158,-156,-162,-159,-167,-164,-161,-162,-166,-162,-162,-156,-153,-145,-142,-70,-70,-70,-70,-70,-338,-333,-354,-347,-394,-388,-322,-12,-365,-15,-21,-25,-49,0,0,0,0,0,0,0,-22,327,323,375,293,830,750,683,647]} 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 Bb4+ 5. Bd2 Bxd2+ 6. Qxd2 {D20: Queen's Gambit Accepted: 3 e3 and 3 e4.} exd4 $1 7. Nxd4 Ne7 8. Nc3 {[#] White is slightly better.} Nbc6 $146 ({Predecessor:} 8... a6 9. Bxc4 b5 10. Be2 c5 11. Nb3 Qxd2+ 12. Kxd2 c4 13. Nd4 Bb7 14. Ke3 Nbc6 15. Nxc6 Bxc6 {1-0 (57) Miton,K (2624)-Genzling,A (2401) Haguenau 2013}) 9. Ndb5 (9. Nxc6 $11 {remains equal.} Nxc6 10. Qxd8+ (10. Bxc4 Be6 $11) 10... Nxd8 11. Bxc4) 9... a6 $1 $17 {[%cal Ra6b5]} 10. Qxd8+ Kxd8 11. O-O-O+ Bd7 12. Nd4 Nxd4 13. Rxd4 b5 $1 14. Be2 c5 $36 {[%mdl 2048] Keeping White busy.} 15. Rd6 (15. Rd2 $142 Kc7 16. Nd5+ Nxd5 17. Rxd5) 15... Kc7 16. e5 Bc6 17. Bf3 Rhd8 18. Rhd1 (18. Ne4 $17) 18... Bxf3 $19 19. gxf3 Nf5 (19... Ng6 $19 20. R1d5 Rxd6 21. exd6+ Kc6) 20. Nd5+ (20. Rxd8 $17 {was worth a try.} Rxd8 21. Rxd8 Kxd8 22. Ne4) 20... Kb7 21. Rb6+ Ka7 22. Rc6 Rac8 23. Rxc8 Rxc8 24. Ne7 {[%mdl 64] Decoy} Nxe7 $17 {[%mdl 4096] Endgame KRN-KR} 25. Rd7+ Kb6 26. Rxe7 {KR-KR} Rc7 27. Re8 Rd7 28. Rg8 g6 29. Rg7 Kc6 30. Rxh7 Kd5 $1 31. f4 {[#]} Ke6 $1 32. h4 Rd4 33. h5 gxh5 34. Rh6+ Ke7 35. f5 Rd5 (35... Re4 $17 36. e6 fxe6 37. Rxh5 Re5 38. Rh7+ Kd6 39. fxe6 Rxe6) 36. f4 $15 Rd4 37. Rxa6 Rxf4 38. Ra7+ $2 {[%mdl 8192]} (38. f6+ $15 Kd7 39. Ra7+ Ke6 40. Re7+ Kf5 41. Rxf7 Kxe5 42. Rh7) 38... Kf8 $19 39. f6 {[%cal Ra7a8] [#]} Kg8 $1 40. Kd2 h4 41. Ke3 Rf1 $2 ({Black should try} 41... h3 $19 42. e6 (42. Kxf4 $2 {too greedy.} h2 $19) 42... Rxf6) 42. Ra8+ $11 Kh7 43. Rf8 $1 Kg6 {White must now prevent ...Rd1.} 44. Ke4 $1 h3 45. Rg8+ $1 Kh7 46. Rg3 Rh1 {Threatens to win with ...h2.} 47. Kd5 ({Don't blunder} 47. Rg7+ $2 Kh6 $19) 47... h2 {And now ...Rd1+ would win.} 48. Kxc5 {Hoping for Rg2.} ({Avoid the trap} 48. Rg7+ $2 Kh8 $19) 48... b4 $2 {[%mdl 8192]} (48... Re1 $11 {and Black is okay.} 49. Rh3+ Kg6 50. Rxh2 Rxe5+ 51. Kd6 Kxf6) 49. Kxb4 $18 c3 50. Rxc3 Re1 $2 (50... Kg6 51. Rc2 Kf5) 51. Rh3+ {[%mdl 64] Double Attack} Kg6 52. Rxh2 {Quite a comeback for White.  Weighted Error Value: White=0.23/Black=0.36} 1-0

[Event "EOBCC TOP4 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "2.1"]
[White "Jones, Gawain C B"]
[Black "Shirov, Alexei"]
[Result "1/2-1/2"]
[ECO "C56"]
[WhiteElo "2670"]
[BlackElo "2662"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2020.12.18"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,70,8,19,33,-3,38,-10,25,21,19,31,18,25,18,12,19,16,24,16,22,14,20,-44,0,-10,-8,-12,-11,-1,-2,-15,-11,-14,-9,-14,-12,-19,-19,-30,0,-1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. e5 Ng4 6. O-O d6 {6...Be7 gains popularity.} 7. exd6 Qxd6 {C56: Two Knights: 4 d4 exd4 5 0-0 Nxe4.} 8. Re1+ Be7 9. Bg5 O-O {[#] Strongly threatening ...Bxg5.} (9... f6 {seems wilder.} 10. Bh4 Bf5 11. Bb5 Nge5 12. Nxe5 fxe5 13. Bxc6+ bxc6 14. Bxe7 Qxe7 15. Nd2 O-O) 10. Bxe7 Nxe7 11. Qxd4 Qxd4 12. Nxd4 Nf5 13. Nf3 Nd6 14. Bb3 {[#]} Bd7 $146 ({Predecessor:} 14... Nf6 15. Nbd2 Bg4 16. Ne5 Rfe8 17. Re3 Be6 18. Ndf3 Bxb3 19. Rxb3 Nfe4 20. Rd1 Re7 {½-½ (31) Lagerman,R (2315)-Olafsson,T (2147) Reykjavik 2012}) 15. Nc3 Rfe8 16. h3 Nf6 17. Ng5 (17. g4 $11) 17... h6 18. Nf3 Rxe1+ 19. Rxe1 Re8 20. Rxe8+ Bxe8 21. Nd5 Nxd5 22. Bxd5 $11 {[%mdl 4096] Endgame KBN-KBN} Kf8 (22... c6 $5 23. Bb3 $8 Kf8 $11) 23. Kf1 Ke7 24. Ke2 Bb5+ (24... c6 $5 25. Bb3 $8 Bd7 $11) 25. Kd2 Bf1 26. Nh2 {The position is equal.} Bc4 (26... Ba6 {is interesting.} 27. b3 b6 28. Nf3 Kf6 29. Bc6 Nf5) 27. Bxc4 Nxc4+ {KN-KN} 28. Kc3 Nd6 29. Kd4 Ke6 30. Nf3 b6 31. b4 Nb5+ 32. Kd3 Nd6 33. Kd4 Nb5+ 34. Kd3 Nd6 35. Kd4 Nb5+ {An uneventful encounter.  Weighted Error Value: White=0.11/Black=0.08} 1/2-1/2

[Event "EOBCC TOP4 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "2.2"]
[White "Navara, David"]
[Black "Bluebaum, Matthias"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2697"]
[BlackElo "2670"]
[Annotator "TA"]
[PlyCount "126"]
[EventDate "2020.12.18"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,126,11,31,31,47,42,42,41,50,44,63,35,46,37,43,35,54,19,14,-12,0,-58,-38,-35,-12,-12,-12,-27,-12,-39,0,-44,0,-69,-69,-69,-69,-69,-35,-91,-92,-92,-85,-88,-52,-57,-55,-116,-16,-16,0,0,0,0,0,0,83,85,77,26,147,146,151,154,150,146,138,132,136,116,266,256,191,189,271,270,229,0,0,0,0,0,0,0,0,0,0,0,46,46,46,47,59,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 h6 7. Bh4 Bf5 8. Qf3 {D35: Queen's Gambit Declined: Exchange Variation.} Be6 $5 {[%mdl 4] A promising side line.} 9. Bxf6 Qxf6 10. Qxf6 {White is slightly better.} gxf6 11. Bd3 a5 12. Nf3 a4 13. a3 Nd7 {[%cal Bb8d7,Bd7b6,Bb6c4][%mdl 32] [#]} 14. Nh4 $146 ({Predecessor:} 14. Ne2 Nb6 15. Nf4 Bd6 16. Nh5 Ke7 17. Nh4 Rhg8 18. Ng3 Kd7 19. Nhf5 Bxf5 20. Nxf5 {1-0 (37) Hammer,J (2628)-Gajewski,G (2614) chess.com INT 2020}) 14... b5 15. Na2 Nb6 16. Nb4 Kd7 17. f4 (17. Kd2 $11) 17... Bxb4+ 18. axb4 {Strongly threatening f5.} Kd6 19. Kf2 Nc4 20. Ra2 Bd7 21. Rc1 Nb6 22. Bf5 (22. g3 {seems wilder.} Rhe8 23. f5 Nc4 24. Ng2 h5 25. h4) 22... Nc4 23. h3 (23. Bd3 $11) 23... Bxf5 $15 24. Nxf5+ Kd7 25. Rca1 Nb6 26. Ng3 (26. Rb1 $15) 26... h5 $17 27. Ne2 h4 28. Nc1 Rhe8 29. b3 Kd6 30. bxa4 (30. Kf3 $15) 30... bxa4 (30... Rxa4 $17 31. Rxa4 bxa4) 31. Nd3 $11 Nc4 32. Rxa4 Rxa4 33. Rxa4 Rxe3 {[%mdl 4096] Endgame KRN-KRN} 34. Nc5 Re7 (34... Ra3 $1 $11) 35. Ra6 $16 {aiming for b5.} Kc7 {[#]} 36. Ra7+ (36. Kf3 $1 $16) 36... Kd6 (36... Kd8 $11 37. Ra8+ Kc7) 37. Nb7+ Kc7 {...Kb6 is the strong threat.} 38. Na5+ Kd6 39. Rxe7 Kxe7 40. Nxc6+ {KN-KN} Kd6 41. Nd8 Na3 (41... Ke7 $16 {was called for.}) 42. Nxf7+ $18 Ke6 43. Nd8+ Kd7 {[#]} (43... Ke7 $142) 44. Nb7 $1 Nc2 45. b5 $2 (45. Kf3 $18) 45... Nxd4 $11 46. Nc5+ Kd6 47. Nd3 {Hoping for b6.} Nxb5 48. Kf3 f5 49. Ne5 {Threatens to win with Ng6.} Nd4+ 50. Ke3 Nc2+ 51. Kd2 Nd4 52. Ng6 Ne6 53. Ke3 (53. Kd3 $1 $14) 53... d4+ {The position is equal.} 54. Kf3 Kd5 55. Nxh4 Ng7 56. Ng6 Kc4 57. Ne5+ Kc3 58. g4 d3 59. Nxd3 $1 Kxd3 60. h4 fxg4+ 61. Kxg4 Ke4 62. h5 Nxh5 63. Kxh5 {White wants to mate with Kg5.} Kxf4 {White really could win this.  Weighted Error Value: White=0.16/Black=0.22} 1/2-1/2

[Event "EOBCC TOP4 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "2.2"]
[White "Shirov, Alexei"]
[Black "Jones, Gawain C B"]
[Result "0-1"]
[ECO "B70"]
[WhiteElo "2662"]
[BlackElo "2670"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2020.12.18"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,84,0,16,10,20,28,21,-25,-13,-70,-63,-65,-50,-52,-32,-33,-25,-53,-37,-55,-70,-74,-77,-82,-54,-77,-73,-80,-66,-89,-37,-112,-125,-139,0,-121,-115,-96,-120,-107,-113,-154,-23,-155,-114,-133,-136,-639,-716,-676,-636,-596,-653,-630,102,102,102,106,114,28,16,-217,-217,-219,-218,-29965,-29950,-6083,-752]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. g3 Nc6 7. Nde2 Bd7 8. Bg2 Qc8 9. h3 Bg7 10. g4 {B70: Sicilian Dragon: 6 g3 and 6 Be2 (without a later Be3).} O-O 11. O-O Rb8 {[#]} 12. Re1 $146 {The position is equal.} ({Predecessor:} 12. Bg5 Re8 13. Qd2 b5 14. Nd5 Nxd5 15. exd5 Ne5 16. b3 f5 17. Nd4 fxg4 18. hxg4 Nxg4 {1-0 (34) Silva,D (2285)-Heinechen,J (2101) Tarvisio 2017}) 12... b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 13. Ng3 (13. Nd5 $11) 13... b4 14. Nce2 a5 15. Rb1 a4 16. b3 Qa6 17. Bb2 Rfc8 18. Nf4 e5 19. Bf1 Qb6 20. Ng2 Nd4 21. Ne3 Be6 22. g5 Nd7 23. h4 h5 (23... h6 $17 24. Bxd4 Qxd4) 24. gxh6 ({White should play} 24. Bxd4 $15 Qxd4 25. Re2) 24... Bxh6 $17 25. Bc4 Nf6 (25... Qd8 $17 26. Bxe6 Nxe6) 26. Bxe6 (26. h5 $11 Bxe3 27. fxe3 Bxc4 28. exd4) 26... Nxe6 (26... fxe6 $6 27. Ng4 $11) 27. Nc4 {[#]} Rxc4 $1 {[%mdl 512]} 28. bxc4 Bf4 $36 {[%mdl 2048] Threatens to win with ...Bxg3. Keeping White busy.} 29. Kg2 Qc6 (29... Rc8 $17 30. c3 Rxc4) 30. c3 (30. Bc3 $11 {keeps the balance.}) 30... b3 31. Ba3 Qxc4 ({Don't play} 31... Bxg3 $6 32. fxg3 Nxe4 33. Qd5 $15) 32. Qxd6 $2 {[%mdl 8192]} (32. Qf3 $17) 32... Rd8 $19 33. axb3 axb3 34. Qb4 Qd3 {...Bxg3 is the strong threat.} 35. Rbd1 {[#]} Qxd1 $2 (35... Bd2 $1 $19 {[%mdl 512] ( -> ...Nf4+)} 36. Ne2 Nxe4) 36. Rxd1 $16 Rxd1 37. Qxb3 Rd2 38. Bc1 (38. Nf1 $16 Re2 39. Kf3 Rxe4 40. Be7) 38... Rd3 $1 $11 39. Qc2 $2 (39. Bb2 $11) 39... Bxc1 $19 40. Qxc1 {[#]} Nf4+ $1 41. Kg1 $2 {[#]} (41. Kf1 $19 Ng4 42. Qa1) 41... Rxg3+ $1 {[%mdl 512]} 42. Kh2 (42. fxg3 Ne2+) 42... Rh3+ {[%mdl 64] Double Attack.  Weighted Error Value: White=0.78/Black=0.34} 0-1

[Event "EOBCC TOP4 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "2.3"]
[White "Bluebaum, Matthias"]
[Black "Navara, David"]
[Result "1-0"]
[ECO "E52"]
[WhiteElo "2670"]
[BlackElo "2697"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2020.12.18"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,119,-12,-10,0,0,-21,-12,-4,14,12,16,0,0,0,0,0,0,0,0,-3,0,0,65,58,104,107,107,106,106,102,123,119,114,120,124,125,133,124,124,123,122,113,256,255,259,247,400,395,360,253,235,230,277,259,390,408,485,475,502,502,508,508,502,500,489,483,485,478,854,826,4731,4731,4731,4731,4718,4645,4823,4916,5034,4982,4923,1903,5072,5071,4667,4133,3262,2470,3582,1668,5385,5057,2859,2320,5816,5645,4133,2396,5934,5641,5225,5155,2066,2019]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd2 b6 6. Bd3 d5 7. cxd5 exd5 8. Nf3 Bb7 9. O-O Bd6 10. Rc1 {E52: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5 6 Bd3 b6.} c5 11. Ne5 Nc6 12. Ng4 {The position is equal.} Be7 {[#]} 13. Nxf6+ $146 ({Predecessor:} 13. Qf3 Nxg4 14. Qxg4 Bf6 15. Ne2 g6 16. b3 a5 17. Bc3 cxd4 18. Bxd4 Bxd4 19. exd4 {1-0 (39) Sreeshwan,M (2461)-Della Morte,P (2289) Sitges 2019}) 13... Bxf6 14. Qh5 {[%csl Gd3][%cal Rh5h7] [#]} g6 15. Qxd5 cxd4 16. exd4 Bxd4 17. Be4 Re8 18. Bg5 Qxd5 19. Bxd5 Rac8 ({Black should play} 19... Bg7 $11) 20. Rfd1 $14 {And now Bxc6 would win.} Be5 21. Bxf7+ $1 {[%mdl 64] [#] Decoy} Kxf7 22. Rd7+ {[%mdl 64] Double Attack} Kg8 {...Na5 is the strong threat.} 23. Rxb7 Nd4 24. Rd1 Ne6 25. Be3 Bxc3 26. bxc3 {[%cal Bb2c3,Bc3c4][%mdl 32]} Rc7 27. Rxc7 Nxc7 $16 {[%mdl 4096] Endgame KRB-KRN} 28. Rd7 Nb5 29. h3 h5 {A mistake that costs the game.} (29... Rc8 $16 {was worth a try.} 30. a4 Nxc3) 30. c4 $18 Na3 31. c5 ({But not} 31. Rxa7 $6 Nxc4 32. Bh6 b5 $16) 31... Nc4 $2 (31... bxc5 32. Bxc5 Nc4 33. Rxa7 Rc8) 32. c6 {Threatens to win with c7.} Ne5 33. Rxa7 Nxc6 34. Ra6 Ne5 35. Rxb6 Ra8 (35... Kf7 $142 36. Bd4 Nd7) 36. Bd4 Nd3 37. Rxg6+ {White is clearly winning.} Kh7 38. Rg3 Nf4 {...Ne2+ would now be nice for Black.} 39. Rg7+ Kh6 {Black wants to play ...Ne2+.} 40. Re7 Kg6 41. Be3 Nd5 42. Re5 Nxe3 (42... Nf6 $142 43. Rg5+ Kf7) 43. Rxe3 Rxa2 {KR-KR} 44. h4 Kf5 45. g3 Kg6 46. Kg2 Kh6 47. Re6+ Kg7 48. Re5 Kg6 49. Kf3 (49. Kf1 $142 Rb2 50. Rd5) 49... Kh6 50. Re2 Ra4 51. Kg2 Kg6 52. f3 Kh6 53. Re3 Ra2+ 54. Kh3 Ra1 55. g4 Rh1+ 56. Kg3 Rg1+ 57. Kf4 Rh1 58. Re6+ Kg7 59. Kg5 hxg4 60. fxg4 {Weighted Error Value: White=0.06/Black=0.27} 1-0

[Event "EOBCC TOP4 2020"]
[Site "Online"]
[Date "2020.12.19"]
[Round "2.3"]
[White "Jones, Gawain C B"]
[Black "Shirov, Alexei"]
[Result "1-0"]
[ECO "C56"]
[WhiteElo "2670"]
[BlackElo "2662"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2020.12.18"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,107,0,0,0,0,6,25,31,26,18,17,23,135,127,153,133,182,166,554,532,248,243,724,732,707,686,700,671,811,790,812,804,846,853,1049,1043,998,427,985,305,1115,243,239,260,269,263,281,281,280,192,307,307,310,270,288,242,279,277,255,242,495,479,466,458,588,589,581,570,537,517,629,592,614,593,956,826,822,808,760,706,629,663,728,679,1868,1678,2049,1993,29978,29980,29980,29980,29959,6091]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. e5 d5 6. Bb5 Nd7 7. O-O Be7 8. Bxc6 bxc6 9. Nxd4 {C56: Two Knights: 4 d4 exd4 5 0-0 Nxe4.} Nb8 10. Nc3 {[%cal Bb1c3,Bc3e4,Be4c5][%mdl 32]} c5 11. Ndb5 {White has an edge.} c6 12. Nd6+ $1 Bxd6 13. exd6 {aiming for Nxd5.} Qxd6 (13... O-O $11 {remains equal.}) 14. Re1+ $16 Be6 15. Ne4 $1 $36 {[%cal Re4d6][%mdl 2112] Pin. White has strong initiative.} Qe7 16. Bg5 f6 $2 {[#]} (16... Qc7 {is a better chance.}) 17. Nxc5 $1 $18 {[%mdl 576] Deflection} Qxc5 18. Rxe6+ Kf7 $2 {[#]} (18... Kd7) 19. Rxf6+ $3 {[%mdl 512]} gxf6 20. Qh5+ Ke7 {Hoping for ...Nd7.} 21. Re1+ Kd7 22. Qg4+ Kc7 23. Bf4+ Kb7 24. Qg7+ {[%mdl 64] Double Attack} Nd7 25. Qxd7+ Ka6 {[#]} 26. Re7 $146 (26. Re6 $142 Rhd8 27. Rxc6+ {[%mdl 64] Double Attack} Qb6 28. Rxb6+ axb6 29. Qxh7) ({Predecessor:} 26. Re3 d4 27. Ra3+ {1-0 (27) Delgado Ramos,H (2342)-Gongora Reyes,M (2416) Santa Clara 2008}) 26... Qb6 (26... Rhb8 $142 27. Bxb8 (27. Rxh7 Rxb2 28. h3 Qxc2 $11) 27... Rxb8) 27. Be3 $2 (27. Bc7 Rhd8 28. Qh3) 27... Rad8 $2 (27... Rhd8 28. Bxb6 Rxd7 29. Rxd7 axb6 30. Rxh7 Kb5) 28. Bxb6 $2 (28. Qf5 {Intending Qd3+ and mate.} d4 29. Qd3+ Qb5 30. Qa3+ Qa5 {[#]} 31. Rxa7+ $1 {[%mdl 576] Deflection} Kxa7 32. Qxa5+ Kb7 33. Qb4+ {[%mdl 64] Double Attack} Ka8 34. Bxd4) 28... Rxd7 29. Rxd7 Kxb6 {[%mdl 4096] Endgame KR-KR} 30. Kf1 h5 31. Rf7 Rh6 32. Ke2 Rg6 (32... h4 $142 33. Kf3 a5) 33. g3 h4 34. Ke3 ({Resist} 34. gxh4 $6 Rh6 $18) 34... hxg3 35. hxg3 Rh6 36. g4 a5 37. Kf4 Rh2 $2 (37... a4 {was necessary.} 38. Kg3 Kb5) 38. Kg3 Rh6 39. f4 Kc5 40. g5 fxg5 41. fxg5 Rh1 42. Rf2 Kd4 43. Kf4 Rg1 44. Rd2+ Kc4 45. Kf5 Rf1+ 46. Ke6 Re1+ 47. Kf6 Rf1+ 48. Kg7 a4 49. g6 Rb1 50. b3+ Kc3 51. Rg2 a3 52. Kf8 {White mates.} Rf1+ 53. Ke7 Re1+ 54. Kd8 {White took control after the opening.  Weighted Error Value: White=0.54/Black=0.83} (54. Kd7 $142 Kb2 55. c4+ Ka1 56. g7 dxc4 57. g8=Q Rc1 58. bxc4 Rd1+ 59. Kxc6) 1-0

