[Event "FIDE Chesscom Grand Swiss 2021"]
[Site "Riga"]
[Date "2021.11.02"]
[Round "6.41"]
[White "Bjerre, Jonas Buhl"]
[Black "Niemann, Hans Moke"]
[Result "0-1"]
[ECO "C77"]
[WhiteElo "2569"]
[BlackElo "2638"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2021.10.27"]
[EventType "swiss"]
[EventCountry "LAT"]
[Tiebreak "Cut1 Buchholz+Sonneborn-Berger (Swiss)"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
{[%evp 16,114,7,0,12,13,21,23,28,18,28,39,43,31,32,36,50,16,54,15,47,7,12,8,7,
0,0,0,0,-29,-29,-37,-51,-62,-65,-62,-43,-34,-20,-78,-72,-87,-81,-89,-84,-80,
-76,-96,-93,-97,-68,-55,-48,-91,-47,-60,-48,-129,-125,-135,-138,-134,-144,-210,
-159,-144,-91,-106,-95,-86,-87,-100,-104,-910,-881,-12837,-12838,-12838,-12839,
-12839,-12839,-12840,-12840,-12841,-12841,-12842,-12843,-12843,-12843,-12843,
-12843,-12843,-12843,-12844,-12844,-12846,-12846,-12847,-12845,-12845,-12846]}
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 d6 {
7...d6 is better than 7...0-0.} 8. a3 O-O 9. Nc3 Na5 {C77: Ruy Lopez: 3...a6 4
Ba4 Nf6, unusual lines.} 10. Ba2 c5 11. b4 Nc6 {White has an edge.} 12. Nd5 {
[%csl Rb2,Gb7,Gc2,Rc3,Gd3,Rd4,Rd7,Re3,Ge4,Rf2,Gf3,Gg2][%CAl Ge4d5,Gc6b7,Gc6b5,
Gd5c4,Rd5e6,Re6d7,Ge4f5,Gd4c5,Gb6a7,Gb6a5,Gc5b4,Ga3b4,Gb4a5,Gd5b6,Gd5b4,Gd4e5,
Gf6g7,Gf6g5,Ge5f4,Gc1g5,Gf3g5,Gf3e5]} Be6 (12... Nxd5 13. Bxd5 Qc7 14. c3 Bd7
15. Bd2 h6 16. h3 Kh7 17. a4 f5 18. Qb3 fxe4 19. Bxe4+ Bf5 20. Bxf5+ Rxf5 21.
axb5 Na7 22. Rxa6 Qb7 23. bxc5 dxc5 24. Rfa1 Rxf3 25. gxf3 Qxf3 26. Qd1 Qxh3
27. Rxa7 Rf8 28. Qe2 Rf6 29. R1a6 Bd6 30. Rxd6 Rxd6 31. Ra6 Rxd3 32. Qe4+ Kg8
33. Ra8+ Kf7 34. Ra7+ Kf6 35. Ra6+ Kf7 36. Qg6+ Kf8 37. Ra8+ Ke7 38. Qxg7+ Kd6
39. Rd8+ Ke6 40. Rxd3 Qxd3 41. Qxh6+ Kd5 42. b6 Qb1+ 43. Kh2 Qb5 44. b7 Qxb7
45. Be3 Qf7 46. Qh3 Qf6 47. Qg2+ Kc4 48. Qe4+ Kxc3 49. Bxc5 Qh6+ 50. Kg2 Qg5+
51. Kf1 Qc1+ 52. Qe1+ Qxe1+ 53. Kxe1 Kd3 54. Be3 e4 55. Kf1 {1-0 (55)
Fressinet,L (2706)-Le Ruyet,L (2255) Nancy 2015}) (12... Nd4 13. bxc5 Nxd5 14.
Bxd5 Bg4 15. Bxa8 Qxa8 16. cxd6 Bxd6 17. Bb2 Nxf3+ 18. gxf3 Bh5 19. d4 Qc8 20.
Kg2 f5 21. dxe5 fxe4 22. Qd5+ Rf7 23. e6 Bxf3+ 24. Kg1 Re7 25. Qxd6 Rxe6 26.
Qd5 h6 27. Rfd1 Kh7 28. Kf1 Rg6 29. Ke1 Qxc2 {0-1 (29) Motylev,A (2685)-Najer,
E (2655) Loo 2014}) (12... Bg4 13. h3 Bh5 14. c3 (14. Be3 Nd7 15. Nxe5 dxe5 16.
Qxh5 cxb4 17. axb4 Nxb4 18. Nxb4 Bxb4 19. f4 Bc3 20. Rad1 Nf6 21. Qf3 exf4 22.
Bxf4 Qe7 23. d4 Rac8 24. e5 Nd7 25. Rd3 b4 26. Kh1 Nb6 27. Qg4 Kh8 28. Rg3 f5
29. exf6 Rxf6 30. Rgf3 Bxd4 31. Bg5 Rxf3 32. Qxf3 Qc5 33. Qf7 h6 34. Be7 Qc7
35. Be6 Ra8 36. Bf5 Qc4 37. Be6 Qc7 38. h4 Be5 39. h5 Qb8 40. Bf8 Qe8 41. Qg8#
{1-0 (41) Ruiz Sanchez,O (2465)-Zhou,Q (2029) Montreal 2014}) 14... cxb4 15.
axb4 a5 16. g4 Bg6 17. Bd2 axb4 18. cxb4 Nxd5 19. Bxd5 Qd7 20. Rxa8 Rxa8 21.
Qc2 Rc8 22. Rc1 Na7 23. Qd1 Rxc1 24. Qxc1 h5 25. Nh2 hxg4 26. hxg4 Kf8 27. Be3
Bd8 28. Kg2 f6 29. Kg3 Bf7 30. Bxf7 Kxf7 31. Nf3 Nc6 32. Qc3 Ne7 33. Qb3+ Qe6
34. Qxe6+ Kxe6 35. Ne1 d5 36. Nc2 dxe4 37. dxe4 Nc6 38. Bc5 Be7 39. Bxe7 Kxe7
40. Kf3 g5 {1/2-1/2 (40) Hansen,S (2563)-Nyback,T (2586) Warsaw 2013}) (12...
a5 13. Nxf6+ Bxf6 14. Bd5 Bd7 15. bxc5 dxc5 16. Be3 Qb6 17. a4 b4 18. Nd2 Rac8
19. Nc4 Qa7 20. Qh5 Be6 21. Bxe6 fxe6 22. Rae1 Qe7 23. Kh1 g6 24. Qh3 Bg7 25.
f4 exf4 26. Bxf4 Nd4 27. Bd6 Rxf1+ 28. Rxf1 Qg5 29. Nxa5 Re8 30. Nb3 Nxc2 31.
Bxc5 h5 32. Qf3 Kh7 33. Qf2 Rc8 34. Qxc2 Be5 35. Qf2 Bg7 36. a5 Qd8 37. d4 Qd7
38. h3 Qb5 39. Qf7 Qd3 40. Qf3 Qb5 41. Rd1 Kg8 42. Qd3 Qb8 43. e5 Kh7 44. a6
Qa8 45. a7 Rd8 46. Qf3 Rd5 47. Qf7 Kh6 48. Rf1 Qc8 49. Bf8 {1-0 (49)
Munguntuul,B (2428)-Dauletova,G (2285) Tornelo INT 2021}) (12... Bb7 13. c3
Nxd5 14. Bxd5 Bf6 15. a4 cxb4 16. cxb4 Qd7 17. Qb3 Ne7 18. Bxb7 Qxb7 19. axb5
axb5 20. Bb2 Rxa1 21. Rxa1 Rc8 22. h3 h6 23. Nh2 Ng6 24. Nf1 Nf4 25. Ne3 Qd7
26. Ra6 Rc6 27. Ra5 Bd8 28. Ra8 Rc8 29. Rxc8 Qxc8 30. Nf5 Qd7 31. Kf1 Qc6 32.
Qc3 Qxc3 33. Bxc3 Nxd3 34. Nxd6 Be7 35. Nxb5 Bxb4 {1/2-1/2 (35) Roberson,P
(2388)-Ashton,A (2378) Reading 2017}) 13. c3 (13. Nxf6+ Bxf6 14. Bxe6 fxe6 15.
bxc5 (15. Bd2 c4 16. Be3 Qc7 17. Re1 Rad8 18. Qe2 Nd4 19. Bxd4 exd4 20. a4 e5
21. h4 Rc8 22. axb5 axb5 23. Ra5 Qb6 24. g3 cxd3 25. cxd3 Rc3 26. Rea1 Rfc8 27.
Qa2+ Kf8 28. Qe6 Rc1+ 29. Rxc1 Rxc1+ 30. Kg2 Rc3 31. Ra8+ Bd8 32. Ng5 g6 33.
Qf7# {1-0 (33) Kuybokarov,T (2530)-Wang,C (1945) Lichess.org INT 2020}) 15...
dxc5 16. a4 Qd7 17. Ba3 Be7 18. Bb2 Bd6 19. axb5 axb5 20. Rxa8 Rxa8 21. Qd2 h6
22. h3 Nd4 23. Bxd4 exd4 24. Nh4 Qd8 25. g3 Ra2 26. Rb1 Qd7 27. Qe2 b4 28. e5
Bc7 29. Ng6 Qf7 30. Qe4 Bd8 31. Nf4 Bg5 32. Ng6 Bd8 33. Nf4 Bg5 34. Ng6 Bd8 {
1/2-1/2 (34) Vachier Lagrave,M (2789)-Sjugirov,S (2650) Riadh 2017}) (13. bxc5
dxc5 14. c4 h6 15. cxb5 axb5 16. Nxf6+ Bxf6 17. Bxe6 fxe6 18. Bb2 Qd6 19. Ne1
Bg5 20. g3 Rad8 21. h4 Be7 22. Qh5 Nd4 23. Rc1 Rf7 24. Kg2 Rdf8 25. Bc3 Ra8 26.
Bb2 Kh7 27. Qxf7 Rf8 28. Qh5 g6 29. Qd1 {1-0 (29) Balakrishnan,P (2656)
-Torrente,A (2306) Chess.com INT 2020}) 13... h6 (13... Rc8 14. Re1 (14. Be3
Ng4 (14... Nb8 15. Nxf6+ Bxf6 16. Bxe6 fxe6 17. a4 cxb4 18. cxb4 Nc6 19. axb5
axb5 20. Qb3 Qd7 21. Rfc1 Ra8 22. h3 {1/2-1/2 (22) Jovanovic,Z (2541)
-Kuljasevic,D (2558) Opatija 2015}) 15. Bd2 Re8 16. Re1 h6 17. h3 Nf6 18. Nh4
Bxd5 19. exd5 Nb8 20. Nf5 Bf8 21. Qf3 Nbd7 22. bxc5 Nxc5 23. d4 exd4 24. Rxe8
Qxe8 25. Nxd4 Nce4 26. Be1 Rc5 27. Rd1 Nxd5 28. Ne2 Ndf6 29. Nf4 Rf5 30. Qe3 d5
31. Nxd5 Bc5 32. Nxf6+ Rxf6 33. Qe2 Rxf2 34. Bxf2 Bxf2+ 35. Qxf2 Nxf2 36. Kxf2
Qe7 37. a4 Qc5+ 38. Kf1 Qxc3 39. axb5 axb5 40. Bd5 b4 {0-1 (40) Bogner,S (2599)
-Beukema,S (2378) Heraklion 2017}) 14... Nd7 15. h3 Bf6 16. Be3 Bxd5 17. Bxd5
Ne7 18. Bb3 d5 19. exd5 e4 20. dxe4 Bxc3 21. Bd2 Bxa1 22. Qxa1 c4 23. Bc2 Ng6
24. Bc3 f6 25. Nd4 Re8 26. Qd1 Nde5 27. g3 Qb6 28. Re3 Nf8 29. Qd2 Qb7 30. Bd1
Rc7 31. f4 Nd3 32. Bf3 Qb6 33. Kh2 a5 34. bxa5 Qc5 35. Re2 Rb7 36. Nc2 Qd6 37.
Bb4 Nxb4 38. axb4 Rc7 39. Qc3 Nd7 40. Nd4 Rb7 41. Nc6 Nb8 42. e5 fxe5 43. fxe5
{1-0 (43) Gharamian,T (2616)-Jolly,J (2381) Agen 2017}) (13... Kh8 14. h3 Rg8
15. Ng5 Rf8 16. Nxf6 Bxf6 17. Nxe6 fxe6 18. Bxe6 Qc7 19. Be3 Rae8 20. Ba2 Ne7
21. Qg4 Ng6 22. g3 Ne7 23. Rfc1 c4 24. dxc4 bxc4 25. Rd1 Ng8 26. a4 g6 27. b5
a5 28. Rab1 Bd8 29. Qe2 Nf6 30. b6 Qd7 31. Bxc4 Qxh3 32. Qf1 Qxf1+ 33. Bxf1
Nxe4 34. Rd3 d5 35. b7 Bc7 36. Rxd5 Nxc3 37. Rc5 Nxb1 38. Rxc7 Rd8 39. Bh6 Rg8
40. Bg5 Rdf8 41. b8=Q {1-0 (41) Stevic,H (2616)-Rubil,M (2298) Mali Losinj 2017
}) (13... cxb4 14. axb4 Nb8 15. Bb3 Nbd7 16. h3 Nxd5 17. exd5 Bf5 18. Be3 Qc7
19. Qd2 Qb7 20. Ra2 Bd8 21. Rfa1 Bb6 22. Bxb6 Nxb6 23. c4 h6 24. Qe3 Rfc8 25.
Nd2 Bg6 26. Kh2 Kh7 27. Rc1 Nxd5 28. Qf3 e4 29. Nxe4 bxc4 30. Bxc4 Kh8 31. Ng3
Qxb4 32. Qxd5 Rc5 33. Qxa8+ Kh7 {1-0 (33) Sychev,K (2572)-Aizpurua,P (2310)
Chess.com INT 2020}) (13... a5 14. Ng5 (14. bxc5 dxc5 15. Nxf6+ Bxf6 16. Bxe6
fxe6 17. Qb3 Qb6 18. Qxe6+ Kh8 19. Rb1 Rad8 20. Rd1 b4 21. axb4 cxb4 22. cxb4
axb4 23. Be3 Qb5 24. Rdc1 Nd4 25. Bxd4 exd4 26. Qc4 Rb8 27. Qxb5 Rxb5 28. Rb3
Ra8 29. g3 h6 30. Rc4 Ra3 31. Rbxb4 Rxb4 32. Rxb4 Rxd3 33. Kg2 g5 34. e5 Bg7
35. Rb8+ Kh7 36. e6 Bf6 37. e7 {1-0 (37) Nasuta,G (2442)-Ritviz,P (2259)
Bhubaneswar 2016}) 14... Bd7 15. bxc5 dxc5 16. f4 Be8 17. Nf3 exf4 18. Bxf4
Nxd5 19. Bxd5 Rc8 20. Kh1 b4 21. cxb4 axb4 22. a4 Na5 23. Ne5 Bf6 24. Ng4 Bxa1
25. Qxa1 Qh4 26. h3 Nc6 27. Bd6 Nd4 28. Bxf8 Kxf8 29. a5 Qg3 30. a6 Qxd3 31. a7
Nc2 32. Qd1 Qxd1 33. Rxd1 Nd4 34. a8=Q Rxa8 35. Bxa8 b3 36. Bd5 Ba4 37. Ne3 Ne2
38. Nc4 Nc3 39. Rc1 Ne2 40. Ra1 Bb5 41. Ra8+ Ke7 42. Rb8 {1-0 (42) Garcia
Pantoja,R (2526)-Ambartsumova,K (2382) Lichess.org INT 2021}) (13... Nd7 14. h3
Rc8 15. Be3 Kh8 16. d4 cxd4 17. cxd4 Bxd5 18. Bxd5 Bf6 19. Ra2 exd4 20. Nxd4
Nxd4 21. Bxd4 Nb6 22. Bb7 Rb8 23. Bxa6 Bxd4 24. Qxd4 Na4 25. Rc2 Qb6 26. Qxb6
Rxb6 27. Bc8 Nb2 28. Bd7 Nd3 29. Rc6 Rfb8 30. f4 g5 31. Rd1 Rxc6 32. Bxc6 Nxf4
33. Rxd6 Rb6 34. e5 Ra6 35. Bxb5 Rxa3 36. Bc4 Ra1+ 37. Kf2 Rb1 38. b5 Rb4 39.
Bf1 Kg7 40. b6 Ne6 41. Be2 Nc5 42. Bf3 Na4 43. e6 fxe6 44. b7 Nc5 45. Rd8 Nxb7
46. Rd7+ Kg6 47. Rxb7 Ra4 48. Re7 h5 49. Rxe6+ Kf5 50. Re2 g4 51. hxg4+ hxg4
52. Bc6 Ra3 53. Re3 {1-0 (53) Narayanan,S (2443)-Kovalev,V (2548) Pune 2014}) (
13... Re8 14. Ng5 Bf8 15. f4 exf4 16. Bxf4 cxb4 17. axb4 Bxd5 18. Bxd5 Nxd5 19.
exd5 h6 20. Nxf7 Qb6+ 21. Kh1 Ne5 22. Bxe5 dxe5 23. d6 Bxd6 24. Nxh6+ gxh6 25.
Qg4+ Kh8 26. Rf6 Qe3 27. Rxd6 Rg8 28. Qh5 Kh7 29. Rd7+ Rg7 30. Rxg7+ Kxg7 31.
Rf1 Ra7 32. Qg4+ Qg5 33. Qc8 Rf7 34. Ra1 Qg6 35. Qh3 Kh7 36. Qe3 Qf6 37. h3 Rc7
38. Qe4+ Kg7 39. c4 bxc4 40. dxc4 Qe6 41. c5 Rd7 42. Re1 Re7 43. Re3 Kh8 44.
Rd3 Qf7 45. Rd6 Kg7 46. Kh2 Ra7 47. Qxe5+ {1-0 (47) Perske,T (2410)-Abramciuc,
M (2247) Karpacz 2015}) 14. Be3 Ng4 15. Bd2 Re8 {[#]} 16. a4 $146 ({
Predecessor:} 16. Ne1 Bf8 17. Nc2 Ne7 18. Nc7 Qxc7 19. Bxe6 Nxh2 20. Bxf7+ Kxf7
21. Kxh2 Kg8 22. Ne3 {0-1 (41) Keller,P (2285)-Rafiee,M (2318) Germany 2016})
16... cxb4 17. cxb4 Nf6 18. axb5 axb5 19. Bb3 Rc8 20. Ra6 Bf8 21. Nxf6+ Qxf6
22. Bxe6 Qxe6 23. Rb6 d5 $1 24. Rxb5 dxe4 25. dxe4 Qc4 26. Rb7 Red8 {Strongly
threatening ...Qa6.} 27. Qb1 (27. b5 $11 Na5 28. Nxe5 Qxe4 29. Rd7 Qxe5 30.
Bxa5 Rxd7 31. Qxd7) 27... Qa6 $17 28. Rxf7 Kxf7 29. b5 {[%mdl 64] Double Attack
} Qa4 30. bxc6 {Black should prevent Qb7+.} Kg8 31. Rc1 {[#]} Bd6 {[%mdl 1024]
Black has strong compensation.} 32. Qb6 Bc7 $36 {[%mdl 2048] Black has good
play.} 33. Qe3 Rb8 34. h4 Qa2 35. Bc3 Rb5 36. Nd2 ({Better is} 36. Ba1 $15)
36... Bb6 37. Qe1 Rc5 38. Nf3 Rxc6 39. Nxe5 {[#]} (39. Bd2 $17 Rxc1 40. Qxc1)
39... Rf8 $1 40. Nf3 Rg6 (40... Qa3 $142 {Hoping for ...Rfc8.} 41. Bd2 Rxf3 42.
Rxc6 Bxf2+ 43. Qxf2 Rxf2 44. Kxf2 Qd3 45. Rc8+ Kh7) 41. Bd4 Rxf3 42. Bxb6 {
Threatening h5.} Rf4 43. Bc7 Rxh4 44. Bg3 $2 {[%mdl 8192] [#] Loses the game.}
(44. Rc3 $17) 44... Rxg3 $1 $19 {[%mdl 512] Black is clearly winning.} 45. fxg3
{[%mdl 4096] Endgame KQR-KQR} (45. Qb4 Rd3) 45... Qa7+ 46. Qf2 {[#]} Rh1+ $1 {
[%mdl 576] Deflection} 47. Kxh1 Qxf2 {KQ-KR} 48. Kh2 Qe2 49. Rc3 Qxe4 50. Rf3
h5 51. Rf4 Qe5 52. Ra4 Kh7 53. Kh3 Kh6 54. Kh2 Qd6 55. Re4 g5 56. Kh3 g4+ 57.
Kh2 Kg5 {Weighted Error Value: White=0.38/Black=0.07} 0-1
