[Event "Budapest Sarkany GM 4th"]
[Site "Budapest"]
[Date "2013.08.22"]
[Round "6"]
[White "Vertetics, Attila"]
[Black "Ludwig, Daniel"]
[Result "1/2-1/2"]
[ECO "E32"]
[WhiteElo "2404"]
[BlackElo "2479"]
[PlyCount "34"]
[EventDate "2013.08.17"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "HUN"]
[EventCategory "9"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. a3 Bxc3+ 6. Qxc3 b6 7. Bg5 Bb7 8. Nf3 d6 9. g3 Nbd7 10. Bg2 h6 11. Bxf6 Nxf6 12. b4 Re8 13. 0-0 Qe7 14. Rac1 e5 15. dxe5 dxe5 16. Nh4 Bxg2 17. Nxg2 Rad8 1/2-1/2

[Event "Budapest Sarkany GM 4th"]
[Site "Budapest"]
[Date "2013.08.21"]
[Round "5"]
[White "Ludwig, Daniel"]
[Black "Hera, Imre Jr"]
[Result "1/2-1/2"]
[ECO "D13"]
[WhiteElo "2479"]
[BlackElo "2567"]
[PlyCount "75"]
[EventDate "2013.08.17"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "HUN"]
[EventCategory "9"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Nf3 Nc6 6. Bf4 Ne4 7. e3 Nxc3 8. bxc3 e6 9. Bd3 Bd6 10. Bxd6 Qxd6 11. 0-0 0-0 12. Qe2 e5 13. dxe5 Nxe5 14. Nxe5 Qxe5 15. c4 dxc4 16. Bxc4 Bd7 17. Rfd1 Bc6 18. Qd3 g6 19. Rac1 Qg5 20. Bd5 Rad8 21. e4 Rd7 22. Qg3 Qxg3 23. hxg3 Rfd8 24. Rc5 Kg7 25. f3 Rd6 26. Kf2 Bxd5 27. exd5 b6 28. Rc7 a5 29. Rb1 Rxd5 30. Rxb6 Rd2+ 31. Kg1 Rxa2 32. Rbb7 Rf8 33. Ra7 h5 34. Kh2 a4 35. Rc4 a3 36. Rc3 Re8 37. Rcxa3 Rxa3 38. Rxa3 1/2-1/2

[Event "Budapest Sarkany GM 4th"]
[Site "Budapest"]
[Date "2013.08.20"]
[Round "4"]
[White "Hagen, Andreas Skytte"]
[Black "Ludwig, Daniel"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "2415"]
[BlackElo "2479"]
[PlyCount "43"]
[EventDate "2013.08.17"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "HUN"]
[EventCategory "9"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 b5 8. Qd2 Nbd7 9. g4 Nb6 10. a4 Nc4 11. Bxc4 bxc4 12. g5 Nd7 13. f4 Bb7 14. f5 Nc5 15. Qg2 Qd7 16. fxe6 fxe6 17. Rf1 0-0-0 18. Qe2 d5 19. e5 Qc7 20. 0-0-0 Qxe5 21. Rf7 Ne4 22. Bf4 1-0

[Event "Budapest Sarkany GM 4th"]
[Site "Budapest"]
[Date "2013.08.19"]
[Round "3"]
[White "Medvegy, Zoltan"]
[Black "Ludwig, Daniel"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "2560"]
[BlackElo "2479"]
[PlyCount "65"]
[EventDate "2013.08.17"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "HUN"]
[EventCategory "9"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. g3 g6 2. Bg2 Bg7 3. e4 c5 4. Ne2 Nc6 5. c3 e5 6. d3 Nge7 7. 0-0 0-0 8. Be3 d6 9. Qd2 b6 10. c4 Nd4 11. Nbc3 Bb7 12. Nd5 Nxd5 13. cxd5 f5 14. Nxd4 cxd4 15. Bg5 Qd7 16. Bh3 Rf7 17. f4 Raf8 18. Rac1 Qb5 19. fxe5 dxe5 20. Bg2 Bf6 21. Bxf6 Rxf6 22. Rc7 R8f7 23. Rxf7 Rxf7 24. exf5 Bxd5 25. a4 Qc6 26. Rc1 Qd7 27. Bxd5 Qxd5 28. Qh6 Qd7 29. fxg6 Rf8 30. Re1 Re8 31. Re4 hxg6 32. Qxg6+ Kf8 33. Rh4 1-0

[Event "Budapest Sarkany GM 4th"]
[Site "Budapest"]
[Date "2013.08.18"]
[Round "2"]
[White "Ludwig, Daniel"]
[Black "Jovanovic, Dusan D"]
[Result "1-0"]
[ECO "E14"]
[WhiteElo "2479"]
[BlackElo "2402"]
[PlyCount "101"]
[EventDate "2013.08.17"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "HUN"]
[EventCategory "9"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. a3 Bxd2+ 6. Qxd2 Bb7 7. e3 d6 8. b4 Nbd7 9. Bb2 a5 10. b5 0-0 11. Be2 Ne4 12. Qc2 f5 13. 0-0 Qe7 14. Rad1 Rae8 15. Ne1 Qh4 16. f3 Ng5 17. Nd3 Nf6 18. Nf4 Nf7 19. d5 Bc8 20. dxe6 Bxe6 21. Bd3 Bc8 22. Bxf6 Qxf6 23. Nd5 Qd8 24. Bxf5 Bxf5 25. Qxf5 Ne5 26. Qc2 Rf7 27. h3 Re6 28. e4 g5 29. Ne3 Qf6 30. Ng4 Qf4 31. Rd5 Nxg4 32. hxg4 Rh6 33. Qd2 Qh2+ 34. Kf2 Rg6 35. Rf5 Qh4+ 36. Ke2 Re7 37. Qd5+ Kg7 38. Rd1 Qh2 39. Kf2 h5 40. Qa8 Qh4+ 41. Ke2 Rf7 42. Qe8 Rgf6 43. Rxf6 Kxf6 44. Rd5 Kg7 45. Qd8 Kg6 46. Qg8+ Rg7 47. Qe8+ Kh6 48. Qxh5+ Qxh5 49. gxh5 Kxh5 50. f4 Kg4 51. Rxg5+ 1-0

[Event "Budapest Sarkany GM 4th"]
[Site "Budapest"]
[Date "2013.08.17"]
[Round "1"]
[White "Galyas, Miklos"]
[Black "Ludwig, Daniel"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "2409"]
[BlackElo "2479"]
[PlyCount "77"]
[EventDate "2013.08.17"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "HUN"]
[EventCategory "9"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 0-0 6. Be2 Na6 7. 0-0 e5 8. Be3 Ng4 9. Bg5 Qe8 10. dxe5 dxe5 11. Qc1 c6 12. h3 Nf6 13. Bh6 Nc5 14. Bxg7 Kxg7 15. Qe3 Qe7 16. b4 Ne6 17. c5 Nf4 18. Rfd1 Bxh3 19. gxh3 Nxh3+ 20. Kg2 Ng4 21. Qc1 Nf4+ 22. Kf1 Rad8 23. Qb2 Nh2+ 24. Nxh2 Qh4 25. Kg1 Qg5+ 26. Bg4 h5 27. Ne2 Nh3+ 28. Kg2 hxg4 29. Qc3 Rxd1 30. Rxd1 Rh8 31. Qg3 Rh4 32. Rd7 Kf8 33. Rxb7 a6 34. a4 Qh5 35. Nf1 Qg5 36. b5 Nf4+ 37. Nxf4 exf4 38. Rb8+ Ke7 39. Qd3 1-0

[Event "Washington op 2nd"]
[Site "Rockville"]
[Date "2013.08.11"]
[Round "9"]
[White "Ludwig, Daniel"]
[Black "Smirin, Ilia"]
[Result "1/2-1/2"]
[ECO "E73"]
[WhiteElo "2479"]
[BlackElo "2663"]
[PlyCount "41"]
[EventDate "2013.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Bg5 Nbd7 7. f3 a6 8. Nh3 c5 9. dxc5 Nxc5 10. Nf2 Bd7 11. 0-0 b5 12. Qd2 b4 13. Nd5 Nxd5 14. exd5 Re8 15. Ne4 Qb6 16. Be3 e6 17. dxe6 Rxe6 18. Bxc5 dxc5 19. Qxd7 Rd8 20. Qa4 f5 21. Ng3 1/2-1/2

[Event "Washington op 2nd"]
[Site "Rockville"]
[Date "2013.08.10"]
[Round "8"]
[White "Mulyar, Michael A"]
[Black "Ludwig, Daniel"]
[Result "1/2-1/2"]
[ECO "E94"]
[WhiteElo "2389"]
[BlackElo "2479"]
[PlyCount "43"]
[EventDate "2013.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 Na6 7. 0-0 e5 8. Re1 Qe8 9. Bf1 Bg4 10. dxe5 dxe5 11. h3 Rd8 12. Nd5 Bc8 13. Bg5 Qe6 14. Qc1 c6 15. Nxf6+ Bxf6 16. Bxf6 Qxf6 17. Qc3 Rfe8 18. c5 b6 19. Bxa6 Bxa6 20. Rad1 Rxd1 21. Rxd1 bxc5 22. Qxc5 1/2-1/2

[Event "Washington op 2nd"]
[Site "Rockville"]
[Date "2013.08.09"]
[Round "7"]
[White "Ludwig, Daniel"]
[Black "Lenderman, Aleksandr"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "2479"]
[BlackElo "2527"]
[PlyCount "67"]
[EventDate "2013.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. e3 Be7 5. a3 d5 6. cxd5 Nxd5 7. Qc2 a6 8. Nxd5 Qxd5 9. Bc4 Qd6 10. b4 0-0 11. Bb2 Be6 12. 0-0 Bxc4 13. Qxc4 Rfd8 14. Rac1 Bf6 15. Rfd1 Qd3 16. e4 Rd7 17. Rc3 Qxc4 18. Rxc4 g5 19. h3 h5 20. Kf1 Rd3 21. Bc3 g4 22. hxg4 hxg4 23. Nh2 g3 24. Ng4 Bg7 25. Ke2 Rad8 26. f3 R3d7 27. Rh1 Ne7 28. Rh3 f5 29. exf5 Nxf5 30. Ne3 Nxe3 31. Kxe3 Kf7 32. Rg4 Bf6 33. f4 Re8 34. f5 1-0

[Event "Washington op 2nd"]
[Site "Rockville"]
[Date "2013.08.08"]
[Round "5"]
[White "Ludwig, Daniel"]
[Black "Fridman, Daniel"]
[Result "1/2-1/2"]
[ECO "D55"]
[WhiteElo "2479"]
[BlackElo "2634"]
[PlyCount "109"]
[EventDate "2013.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Be7 5. Nc3 h6 6. Bxf6 Bxf6 7. e3 0-0 8. Rc1 c6 9. Bd3 dxc4 10. Bxc4 Nd7 11. 0-0 e5 12. Ne4 exd4 13. Nxd4 Nb6 14. Nxf6+ Qxf6 15. Bb3 Qe5 16. Qc2 Bd7 17. Rfd1 Rac8 18. Qc5 Qxc5 19. Rxc5 Rfd8 20. Rdc1 Kf8 21. f4 Re8 22. Kf2 Rcd8 23. Kf3 Nc8 24. R5c3 Ne7 25. Rd1 Ng8 26. h3 Nf6 27. Rcc1 h5 28. a3 g6 29. Ke2 Ne4 30. Bc2 Nd6 31. Bb1 Re7 32. Nf3 Be6 33. Ne5 Ree8 34. Rd4 Ke7 35. Rcd1 c5 36. R4d2 Nc4 37. Nxc4 Bxc4+ 38. Kf3 Bb3 39. Rxd8 Rxd8 40. Rxd8 Kxd8 41. g4 hxg4+ 42. Kxg4 Ke7 43. h4 b5 44. f5 Kf6 45. fxg6 fxg6 46. Kf4 b4 47. axb4 cxb4 48. Ke4 a5 49. Kd4 a4 50. Bd3 Bf7 51. Bc2 a3 52. bxa3 bxa3 53. Kc3 Ke5 54. Bxg6 Bxg6 55. Kb3 1/2-1/2

[Event "Washington op 2nd"]
[Site "Rockville"]
[Date "2013.08.08"]
[Round "6"]
[White "Troff, Kayden W"]
[Black "Ludwig, Daniel"]
[Result "0-1"]
[ECO "E00"]
[WhiteElo "2428"]
[BlackElo "2479"]
[PlyCount "90"]
[EventDate "2013.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Nd2 c5 5. a3 Bxd2+ 6. Qxd2 cxd4 7. Nf3 d5 8. cxd5 Qxd5 9. Qxd4 Nc6 10. Qh4 e5 11. Bg2 e4 12. Nd2 Nd4 13. 0-0 Bf5 14. g4 Nxe2+ 15. Kh1 Nxc1 16. gxf5 Qxd2 17. Raxc1 0-0 18. Bxe4 Qxb2 19. Rg1 Nxe4 20. Qxe4 Rae8 21. Qf4 Qf6 22. Rg5 Re5 23. Rcg1 g6 24. h4 Kh8 25. h5 Rxf5 26. Rxf5 Qxf5 27. Qxf5 gxf5 28. Rg5 Rb8 29. a4 b5 30. axb5 Rxb5 31. Rg3 f4 32. Ra3 Rxh5+ 33. Kg2 a5 34. Ra4 Rf5 35. Kf3 Kg7 36. Rc4 h5 37. Rc6 f6 38. Rc8 Rg5 39. Rc4 Kg6 40. Rc8 h4 41. Rh8 Rh5 42. Rg8+ Kf7 43. Rg2 h3 44. Rh2 a4 45. Kg4 Kg6 0-1

[Event "Washington op 2nd"]
[Site "Rockville"]
[Date "2013.08.07"]
[Round "3"]
[White "Ludwig, Daniel"]
[Black "Garcia, Gildardo"]
[Result "1/2-1/2"]
[ECO "D52"]
[WhiteElo "2479"]
[BlackElo "2393"]
[PlyCount "58"]
[EventDate "2013.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Nbd7 5. Nc3 c6 6. e3 Qa5 7. cxd5 Nxd5 8. Qd2 Bb4 9. Rc1 Nxc3 10. bxc3 Ba3 11. Rb1 f6 12. Bh4 Nb6 13. Bd3 Bd7 14. 0-0 c5 15. Bg3 Rc8 16. Be4 Bc6 17. Bxc6+ bxc6 18. Qc2 0-0 19. Nd2 cxd4 20. cxd4 c5 21. dxc5 Rxc5 22. Qb3 Qxd2 23. Qxa3 Ra5 24. Qe7 Qd7 25. Qxd7 Nxd7 26. Rfd1 Nb6 27. Bc7 Rxa2 28. Bxb6 axb6 29. Rxb6 e5 1/2-1/2

[Event "Washington op 2nd"]
[Site "Rockville"]
[Date "2013.08.07"]
[Round "4"]
[White "Sevian, Samuel"]
[Black "Ludwig, Daniel"]
[Result "0-1"]
[ECO "B81"]
[WhiteElo "2388"]
[BlackElo "2479"]
[PlyCount "96"]
[EventDate "2013.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. g4 h6 7. h3 a6 8. Bg2 Nbd7 9. f4 Qc7 10. Qe2 e5 11. Nf5 Nb6 12. Be3 g6 13. Ng3 Nc4 14. 0-0-0 Nxe3 15. Qxe3 exf4 16. Qxf4 Be7 17. Kb1 Be6 18. Rhf1 Rc8 19. Rf2 Nd7 20. Nd5 Bxd5 21. Rxd5 Rh7 22. Bf1 Ne5 23. Qd2 Kf8 24. Bd3 Kg7 25. Ne2 Bg5 26. Nf4 Qe7 27. a3 Rc6 28. Ka2 h5 29. gxh5 Bxf4 30. Rxf4 Rxh5 31. Qg2 Qe6 32. Rf5 Rh8 33. b3 Kf8 34. Rf2 Rxh3 35. Qg5 Kg7 36. Qd2 Rh4 37. Qg5 Rh8 38. Qd2 b5 39. Bf1 Rh4 40. Bd3 Rc5 41. Qg5 Rh8 42. Qf4 Rxd5 43. exd5 Nxd3 44. Qd4+ Qe5 45. Qxd3 Rh5 46. Rd2 Rh1 47. c3 Qe1 48. Qd4+ Kg8 0-1

[Event "Washington op 2nd"]
[Site "Rockville"]
[Date "2013.08.06"]
[Round "1"]
[White "Ludwig, Daniel"]
[Black "Piasetski, Leon David"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2479"]
[BlackElo "2286"]
[PlyCount "105"]
[EventDate "2013.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. Nf3 d6 4. Nc3 Nf6 5. Be2 0-0 6. 0-0 Nc6 7. h3 e6 8. Be3 Ne7 9. Qd2 b6 10. Bh6 Bb7 11. Bxg7 Kxg7 12. Qf4 h6 13. Rad1 g5 14. Qe3 Ng6 15. Rfe1 Qe7 16. Nh2 Rae8 17. Nf1 c6 18. Ng3 Qc7 19. Bf3 d5 20. e5 Nd7 21. Bh5 Ba6 22. Nce2 f6 23. f4 fxe5 24. fxg5 Qd8 25. gxh6+ Kh7 26. dxe5 Bxe2 27. Nxe2 Qh4 28. Bxg6+ Kxg6 29. Rf1 Qxh6 30. Rf4 Rxf4 31. Nxf4+ Kh7 32. Rf1 Rg8 33. Qa3 Nxe5 34. Qxa7+ Rg7 35. Qxb6 Nc4 36. Qxc6 Nd2 37. Rf2 Ne4 38. Qxe6 Nxf2 39. Qxh6+ Kxh6 40. Kxf2 Rc7 41. c3 d4 42. cxd4 Rc2+ 43. Kf3 Rxb2 44. h4 Rxa2 45. g4 Ra1 46. g5+ Kg7 47. Ke4 Ra8 48. h5 Re8+ 49. Kf5 Rf8+ 50. Ke5 Ra8 51. d5 Ra5 52. Ne6+ Kh7 53. Nd4 1-0

[Event "Washington op 2nd"]
[Site "Rockville"]
[Date "2013.08.06"]
[Round "2"]
[White "Shetty, Atulya"]
[Black "Ludwig, Daniel"]
[Result "1/2-1/2"]
[ECO "A26"]
[WhiteElo "2341"]
[BlackElo "2479"]
[PlyCount "70"]
[EventDate "2013.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 0-0 5. e4 e5 6. Nge2 Nc6 7. 0-0 d6 8. d3 a6 9. Nd5 Nxd5 10. cxd5 Ne7 11. Be3 f5 12. Qd2 Bd7 13. d4 fxe4 14. dxe5 Bxe5 15. Bxe4 Nf5 16. Bf4 Qf6 17. Bxf5 Bxf5 18. Bxe5 dxe5 19. Qe3 Bg4 20. Rac1 Rf7 21. Rc4 Qf3 22. Re4 Rf5 23. Nc3 Raf8 24. Qxf3 Bxf3 25. Re3 Rd8 26. Rfe1 Bxd5 27. Rxe5 Rxe5 28. Rxe5 Bc6 29. f4 Kf7 30. Kf2 Rd2+ 31. Re2 Rd3 32. Re3 Rd4 33. Re5 Rd2+ 34. Re2 Rd3 35. Re3 Rd2+ 1/2-1/2

[Event "Los Angeles Metropolitan 22nd"]
[Site "Los Angeles"]
[Date "2012.08.18"]
[Round "8"]
[White "Young, Gregory G"]
[Black "Ludwig, Daniel"]
[Result "0-1"]
[ECO "B86"]
[WhiteElo "2368"]
[BlackElo "2483"]
[PlyCount "90"]
[EventDate "2012.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 e6 6. Bc4 Be7 7. Bb3 0-0 8. f4 Nbd7 9. 0-0 Nc5 10. Qf3 a6 11. Be3 Qc7 12. g4 b5 13. g5 Nfxe4 14. Nxe4 Bb7 15. Nxe6 Nxe6 16. Rad1 Rfe8 17. Bd5 Bxd5 18. Rxd5 Bf8 19. c3 Nc5 20. Nxc5 dxc5 21. Rfd1 Rad8 22. Rxd8 Rxd8 23. Kf2 Re8 24. Qd5 Qe7 25. Re1 Rd8 26. Qc6 Rd6 27. Qa8 h6 28. Re2 Re6 29. Qf3 hxg5 30. fxg5 Qd6 31. Kg2 Re5 32. Rd2 Qe7 33. Bf4 Rxg5+ 34. Kf1 Rf5 35. Rf2 Qe6 36. Qd3 c4 37. Qd4 Rd5 38. Qe3 Qg4 39. Qg3 Qd7 40. Kg2 Rd3 41. Rf3 Qd5 42. h3 Bc5 43. Qg4 Qe4 44. Bg3 Rd2+ 45. Kh1 Qb1+ 0-1

[Event "Los Angeles Metropolitan 22nd"]
[Site "Los Angeles"]
[Date "2012.08.17"]
[Round "6"]
[White "Liou, Yian"]
[Black "Ludwig, Daniel"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "2350"]
[BlackElo "2483"]
[PlyCount "55"]
[EventDate "2012.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. Nf3 Nf6 4. d4 cxd4 5. Nxd4 e6 6. Bd3 Nc6 7. Nxc6 bxc6 8. 0-0 Be7 9. Qe2 d5 10. b3 0-0 11. Bb2 Bb7 12. Rae1 Nd7 13. Na4 Nb6 14. Nxb6 axb6 15. a4 d4 16. c3 e5 17. Bc4 Bc5 18. Rd1 Re8 19. b4 Bd6 20. cxd4 exd4 21. Bxd4 Qc7 22. Qg4 Bxh2+ 23. Kh1 Be5 24. Bxe5 Qxe5 25. Rd7 Re7 26. Rfd1 Bc8 27. Rd8+ Re8 28. Qg5 1-0

[Event "Los Angeles Metropolitan 22nd"]
[Site "Los Angeles"]
[Date "2012.08.17"]
[Round "7"]
[White "Ludwig, Daniel"]
[Black "Lee, Kah Meng Elgin"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2483"]
[BlackElo "2129"]
[PlyCount "75"]
[EventDate "2012.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. b3 Nbd7 6. Bb2 Bd6 7. Bd3 0-0 8. 0-0 a6 9. Ne5 c5 10. f4 b6 11. Qf3 Bb7 12. Qh3 dxc4 13. bxc4 Be4 14. Be2 cxd4 15. exd4 Bb4 16. Qe3 Qc7 17. Bc3 Bxc3 18. Nxc3 Bb7 19. Rac1 Rfd8 20. Rfd1 Rac8 21. h3 Ne8 22. Bd3 Qd6 23. Ne4 Qe7 24. Ng5 Nxe5 25. Bxh7+ Kh8 26. fxe5 f6 27. Qe2 fxg5 28. Qh5 Nf6 29. exf6 gxf6 30. Be4+ Kg8 31. Qg6+ Kh8 32. Bxb7 Qxb7 33. Qxf6+ Qg7 34. Qxe6 Re8 35. Qxb6 Re2 36. Re1 Rxc4 37. Qb8+ Kh7 38. Qb1+ 1-0

[Event "Los Angeles Metropolitan 22nd"]
[Site "Los Angeles"]
[Date "2012.08.16"]
[Round "5"]
[White "Ludwig, Daniel"]
[Black "Troff, Kayden W"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "2483"]
[BlackElo "2279"]
[PlyCount "179"]
[EventDate "2012.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 0-0 6. Nd5 Bc5 7. a3 a5 8. b3 d6 9. Bb2 Be6 10. d4 exd4 11. exd4 Ba7 12. Ne3 d5 13. Rd1 Re8 14. Be2 h6 15. 0-0 Nb8 16. Ne5 Nbd7 17. Bf3 c6 18. Rfe1 Bb8 19. g3 a4 20. b4 dxc4 21. N5xc4 Nb6 22. Na5 Qd7 23. Nxb7 Qxb7 24. Bxc6 Qc8 25. d5 Bd7 26. Bxf6 gxf6 27. Qc5 Ba7 28. Qd6 Bxc6 29. dxc6 Re6 30. Qf4 Re5 31. Ng4 Nd5 32. Qc4 Rg5 33. Nxh6+ Kg7 34. Nxf7 Bxf2+ 35. Kxf2 Qf5+ 36. Kg1 Kxf7 37. Re2 Kg6 38. Rf1 Qg4 39. Qd3+ Kh6 40. Re4 Qh5 41. b5 Qg6 42. Rd1 Qf5 43. Qd4 Rag8 44. Rd3 Rd8 45. c7 Rc8 46. b6 Nxb6 47. Rf4 Qe5 48. Rxf6+ Kg7 49. Rxb6 Rxc7 50. Rb2 Kh7 51. Qxe5 Rxe5 52. Rd4 Ra7 53. Rd3 Rc7 54. Kg2 Rh5 55. Rd4 Ra5 56. Rd3 Rh5 57. h4 Rhc5 58. Rb4 Ra7 59. Rdd4 Rca5 60. Kh3 Kh6 61. Rd6+ Kh7 62. Rdb6 Rc5 63. Rb7+ Rxb7 64. Rxb7+ Kh6 65. Rb4 Ra5 66. Kg4 Ra6 67. h5 Ra5 68. Rb6+ Kh7 69. Kh4 Rd5 70. Rb4 Kh6 71. g4 Ra5 72. g5+ Kh7 73. Rb7+ Kh8 74. h6 Ra6 75. Kh5 Ra5 76. Rb4 Kh7 77. Rf4 Kg8 78. Kg6 Ra6+ 79. Rf6 Ra8 80. Rf5 Rc8 81. Ra5 Rc6+ 82. Kh5 Rc1 83. Rxa4 Rb1 84. Ra8+ Kf7 85. g6+ Kf6 86. Rf8+ Ke7 87. g7 Rh1+ 88. Kg6 Rg1+ 89. Kh7 Rg3 90. g8Q 1-0

[Event "Los Angeles Metropolitan 22nd"]
[Site "Los Angeles"]
[Date "2012.08.16"]
[Round "4"]
[White "Wang, Kevin A"]
[Black "Ludwig, Daniel"]
[Result "1/2-1/2"]
[ECO "B99"]
[WhiteElo "2216"]
[BlackElo "2483"]
[PlyCount "49"]
[EventDate "2012.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Be7 9. Qf3 Nbd7 10. 0-0-0 Qc7 11. Be2 0-0 12. Qg3 Nc5 13. Bf3 e5 14. fxe5 dxe5 15. Nf5 Bxf5 16. exf5 Rac8 17. Rhe1 Ncd7 18. Kb1 Rfe8 19. Re2 b5 20. Bxf6 Bxf6 21. Nd5 Qc4 22. Ne3 Qc7 23. Nd5 Qc4 24. Ne3 Qc7 25. Nd5 1/2-1/2

[Event "Los Angeles Metropolitan 22nd"]
[Site "Los Angeles"]
[Date "2012.08.15"]
[Round "3"]
[White "Ludwig, Daniel"]
[Black "Brown, Michael William"]
[Result "1/2-1/2"]
[ECO "D26"]
[WhiteElo "2483"]
[BlackElo "2247"]
[PlyCount "84"]
[EventDate "2012.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. Qe2 c5 7. dxc5 Bxc5 8. 0-0 b5 9. Bd3 Nbd7 10. a3 Bb7 11. Nbd2 0-0 12. b4 Bd6 13. Bb2 Qe7 14. e4 e5 15. Nb3 Rac8 16. Na5 Ba8 17. Rac1 Nb6 18. Qe3 Na4 19. Ba1 Bb8 20. Bc2 Ng4 21. Qe1 Nb6 22. Nd2 Nf6 23. Qe2 Rfd8 24. Rfd1 Ba7 25. Nf3 Rxd1+ 26. Rxd1 Nbd7 27. h3 Bb6 28. Nb3 Qe6 29. Ng5 Qc4 30. Qxc4 Rxc4 31. Bd3 Rc8 32. Nf3 Rd8 33. Re1 Nh5 34. Bb1 f6 35. Rd1 Kf8 36. Kf1 Nf4 37. Ng1 Ke7 38. Ne2 Nxe2 39. Kxe2 Rc8 40. Bd3 Nf8 41. g3 Ne6 42. h4 Rd8 1/2-1/2

[Event "Los Angeles Metropolitan 22nd"]
[Site "Los Angeles"]
[Date "2012.08.15"]
[Round "2"]
[White "Nilsson, Martin"]
[Black "Ludwig, Daniel"]
[Result "1/2-1/2"]
[ECO "A21"]
[WhiteElo "2165"]
[BlackElo "2483"]
[PlyCount "70"]
[EventDate "2012.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. c4 e5 2. g3 g6 3. Bg2 Bg7 4. Nc3 d6 5. d3 f5 6. e3 Nf6 7. Nge2 0-0 8. 0-0 a5 9. b3 Nc6 10. Qd2 Kh8 11. Bb2 Be6 12. Nd5 Qd7 13. Nec3 Rae8 14. Nxf6 Bxf6 15. Nd5 Bg7 16. Rad1 b6 17. d4 exd4 18. exd4 Bxd5 19. cxd5 Ne7 20. Rfe1 Ng8 21. Qd3 Rxe1+ 22. Rxe1 Re8 23. Bc3 Nf6 24. Rxe8+ Qxe8 25. Bd2 Kg8 26. h3 Kf7 27. Qc4 Qd7 28. a4 Ng8 29. Bf3 Bh6 30. Qc1 Bxd2 31. Qxd2 Qe7 32. Kg2 Nf6 33. Qe3 Nd7 34. Qc1 Nf6 35. Qe3 Nd7 1/2-1/2

[Event "Los Angeles Metropolitan 22nd"]
[Site "Los Angeles"]
[Date "2012.08.14"]
[Round "1"]
[White "Ludwig, Daniel"]
[Black "Krishnan, Varun"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2483"]
[BlackElo "2146"]
[PlyCount "231"]
[EventDate "2012.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. b3 Nbd7 6. Bb2 Bd6 7. Bd3 0-0 8. 0-0 b6 9. Nbd2 Bb7 10. Ne5 c5 11. cxd5 Nxd5 12. Nxd7 Qxd7 13. Nc4 Rad8 14. Nxd6 Qxd6 15. Ba3 Qc6 16. Qf3 Rfe8 17. Rac1 Qd7 18. dxc5 bxc5 19. Rfd1 Nc3 20. Bxh7+ Kh8 21. Rxd7 Bxf3 22. Rxd8 Rxd8 23. Re1 Bd1 24. Bg6 fxg6 25. Bxc5 a6 26. Bd4 Ne2+ 27. Kf1 Nxd4 28. Rxd1 Nc6 29. Rc1 Ne5 30. Ke2 Rd6 31. Rc5 Nc6 32. a3 Kg8 33. b4 Na7 34. Rc7 Nc6 35. h4 Ne5 36. Rc5 Nc6 37. b5 axb5 38. Rxb5 Kf7 39. Rb7+ Ne7 40. Ra7 e5 41. g4 Ke6 42. Kf3 Rc6 43. Ke4 Rc4+ 44. Kf3 Rc8 45. Ke4 Rc4+ 46. Kf3 Kf6 47. Ra6+ Nc6 48. Rb6 Kf7 49. Rb7+ Ne7 50. Ra7 Ke6 51. Ra6+ Rc6 52. Ra7 Kd6 53. Ke4 Rc4+ 54. Kf3 Rc8 55. Ke4 Rh8 56. Ra6+ Nc6 57. f4 exf4 58. Kxf4 Rxh4 59. Kg5 Rh3 60. Kxg6 Rxe3 61. Kxg7 Rg3 62. Ra4 Ne5 63. g5 Rxg5+ 64. Kf6 Rg6+ 65. Kf5 Rg8 66. Rh4 Nc6 67. Ke4 Ra8 68. Rh6+ Kc5 69. Rh5+ Kc4 70. Rh3 Nd4 71. Ke5 Ra5+ 72. Kd6 Nb5+ 73. Kc6 Nc3 74. Rh4+ Kb3 75. Kb6 Rxa3 76. Kc5 Ra5+ 77. Kd6 Kc2 78. Kc6 Kd3 79. Kb6 Rg5 80. Kc6 Ne4 81. Kb6 Kd4 82. Kc6 Re5 83. Rh6 Kc4 84. Rg6 Rh5 85. Re6 Nc3 86. Rg6 Rc5+ 87. Kd7 Ne4 88. Ke6 Kd4 89. Rg1 Rc6+ 90. Kd7 Rh6 91. Rd1+ Ke5 92. Kc7 Nc3 93. Re1+ Kd5 94. Rg1 Kc5 95. Rc1 Rh7+ 96. Kc8 Kd4 97. Kd8 Ne4 98. Rd1+ Ke5 99. Re1 Kd5 100. Rd1+ Ke6 101. Re1 Ke5 102. Kc8 Kd5 103. Kd8 Ra7 104. Rd1+ Ke6 105. Re1 Kd6 106. Rd1+ Kc6 107. Ke8 Nf6+ 108. Kf8 Rb7 109. Rd2 Nd5 110. Rd1 Kd6 111. Re1 Nf4 112. Rd1+ Ke6 113. Re1+ Kf6 114. Ke8 Ne6 115. Rf1+ Ke5 116. Re1+ 1/2-1/2

[Event "World op 40th"]
[Site "Philadelphia"]
[Date "2012.07.07"]
[Round "7"]
[White "Karavade, Eesha"]
[Black "Ludwig, Daniel"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2343"]
[BlackElo "2482"]
[PlyCount "87"]
[EventDate "2012.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. g3 Bg4 4. Bg2 e6 5. 0-0 Nd7 6. cxd5 exd5 7. d3 Ngf6 8. Nc3 Be7 9. Qc2 0-0 10. e4 Qa5 11. h3 dxe4 12. dxe4 Bxf3 13. Bxf3 Rad8 14. Bd2 Rfe8 15. Rad1 Bf8 16. Rfe1 Qc7 17. Bg2 Nc5 18. Bf4 Qa5 19. Rxd8 Rxd8 20. Rd1 Rxd1+ 21. Qxd1 Ne6 22. e5 Ne8 23. Ne4 Nxf4 24. gxf4 Qc7 25. Qd4 a6 26. Bf1 h6 27. Bd3 Qe7 28. Ng3 g6 29. f5 gxf5 30. Nxf5 Qg5+ 31. Qg4 Qxg4+ 32. hxg4 Nc7 33. Kg2 b5 34. f4 c5 35. Kf3 c4 36. Be4 a5 37. Nd6 f6 38. Bc6 fxe5 39. fxe5 Be7 40. Bxb5 Nxb5 41. Nxb5 Kf7 42. Kf4 Ke6 43. Ke4 Bg5 44. Nd6 1-0

[Event "World op 40th"]
[Site "Philadelphia"]
[Date "2012.07.07"]
[Round "6"]
[White "Ludwig, Daniel"]
[Black "Iturrizaga Bonelli, Eduardo"]
[Result "1/2-1/2"]
[ECO "E39"]
[WhiteElo "2482"]
[BlackElo "2628"]
[PlyCount "45"]
[EventDate "2012.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 0-0 7. a3 Bxc5 8. Bg5 b6 9. e3 Bb7 10. Be2 h6 11. Bh4 Be7 12. 0-0 Nh5 13. Bxe7 Qxe7 14. Rfd1 Rfd8 15. Rac1 Nf6 16. Nd4 Rac8 17. Nxc6 Bxc6 18. Qb3 d6 19. Bf1 Ne4 20. Nxe4 Bxe4 21. Qb4 Bb7 22. Rd2 Qc7 23. Rcd1 1/2-1/2

[Event "World op 40th"]
[Site "Philadelphia"]
[Date "2012.07.06"]
[Round "4"]
[White "Ludwig, Daniel"]
[Black "Romanov, Evgeny"]
[Result "1/2-1/2"]
[ECO "E90"]
[WhiteElo "2482"]
[BlackElo "2623"]
[PlyCount "101"]
[EventDate "2012.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. h3 0-0 7. Nf3 e6 8. Bd3 Na6 9. 0-0 Nc7 10. dxe6 Nxe6 11. Be3 Nd7 12. Qd2 Ne5 13. Nxe5 dxe5 14. Nd5 Qh4 15. Rfd1 f5 16. g3 Qd8 17. exf5 gxf5 18. Bh6 Nd4 19. Bxg7 Nf3+ 20. Kg2 Nxd2 21. Bxf8 Nxc4 22. Bxc4 Kxf8 23. Rd2 Bd7 24. Rad1 Ba4 25. b3 Bc6 26. Kh2 Qa5 27. Ne3 Bf3 28. Be2 Bxe2 29. Rxe2 Rd8 30. Nc4 Qc7 31. Rxd8+ Qxd8 32. Rxe5 b6 33. Rxf5+ Kg8 34. h4 Qd3 35. Ne3 Qb1 36. h5 Kg7 37. g4 Qxa2 38. g5 Qxb3 39. Rf6 Kh8 40. Nf5 Qg8 41. g6 hxg6 42. hxg6 Qb8+ 43. Kg1 Qd8 44. g7+ Kg8 45. Rf8+ Qxf8 46. gxf8Q+ Kxf8 47. Kf1 Kf7 48. Nd6+ Ke6 49. Nc8 b5 50. Nxa7 b4 51. Ke2 1/2-1/2

[Event "World op 40th"]
[Site "Philadelphia"]
[Date "2012.07.06"]
[Round "5"]
[White "Shulman, Yuri"]
[Black "Ludwig, Daniel"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2588"]
[BlackElo "2482"]
[PlyCount "41"]
[EventDate "2012.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 0-0 5. a3 Be7 6. e4 d5 7. e5 Nfd7 8. Bd3 c5 9. h4 h6 10. Bb1 cxd4 11. cxd5 exd5 12. Nb3 Nc6 13. Qd3 f5 14. Bf4 Qc7 15. Qe2 Qb6 16. Ba2 Re8 17. 0-0-0 Bf6 18. Nbxd4 Nxd4 19. Rxd4 Nxe5 20. Kb1 Bd7 21. Bxe5 1-0

[Event "World op 40th"]
[Site "Philadelphia"]
[Date "2012.07.05"]
[Round "3"]
[White "Stripunsky, Alexander"]
[Black "Ludwig, Daniel"]
[Result "1/2-1/2"]
[ECO "A47"]
[WhiteElo "2553"]
[BlackElo "2482"]
[PlyCount "164"]
[EventDate "2012.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. Nbd2 c5 6. 0-0 cxd4 7. exd4 Be7 8. Re1 0-0 9. c3 d6 10. Nf1 Nbd7 11. Ng3 Re8 12. Ng5 h6 13. N5e4 Qc7 14. Nxf6+ Nxf6 15. Nh5 Qc6 16. Nxf6+ Bxf6 17. Be4 Qc7 18. Qf3 Bxe4 19. Rxe4 e5 20. dxe5 Bxe5 21. Bf4 Bxf4 22. Rxf4 Rad8 23. Rd1 Re6 24. g3 Qe7 25. Kg2 Re2 26. Rxf7 Rxf2+ 27. Kxf2 Qxf7 28. Qxf7+ Kxf7 29. Ke3 Re8+ 30. Kd3 Re5 31. Rf1+ Ke7 32. Rf4 Rd5+ 33. Rd4 Ra5 34. a4 g5 35. g4 Kd7 36. b3 Re5 37. Re4 Rd5+ 38. Rd4 Re5 39. Re4 Rd5+ 40. Ke2 Rc5 41. Re3 b5 42. b4 Rc4 43. axb5 Rxg4 44. Rh3 Re4+ 45. Kd2 Re6 46. c4 Kc7 47. Ra3 Kb7 48. Ra6 g4 49. c5 h5 50. c6+ Kb8 51. b6 axb6 52. b5 Kc7 53. Ra7+ Kc8 54. Ra8+ Kc7 55. Ra7+ Kc8 56. Kc3 h4 57. Ra8+ Kc7 58. Ra7+ Kc8 59. Rg7 Re4 60. Rg8+ Kc7 61. Rg7+ Kc8 62. Rh7 g3 63. Rh8+ Kc7 64. Rh7+ Kc8 65. hxg3 hxg3 66. Rh8+ Kc7 67. Rh7+ Kc8 68. Rg7 Re5 69. Kc4 Rc5+ 70. Kb4 d5 71. Rxg3 Rc4+ 72. Kb3 Rc5 73. Kb4 Rc4+ 74. Ka3 Rc5 75. Rb3 Kc7 76. Ka4 Rc4+ 77. Rb4 Rc1 78. Ka3 Rc5 79. Rb3 Kc8 80. Rb1 Kc7 81. Rb4 Kd6 82. Ka4 Rc1 1/2-1/2

[Event "World op 40th"]
[Site "Philadelphia"]
[Date "2012.07.04"]
[Round "1"]
[White "Leve, Nitai D"]
[Black "Ludwig, Daniel"]
[Result "0-1"]
[ECO "B53"]
[WhiteElo "2134"]
[BlackElo "2482"]
[PlyCount "60"]
[EventDate "2012.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 a6 5. c4 Nc6 6. Qe3 g6 7. Be2 Bg7 8. 0-0 Nf6 9. h3 0-0 10. Nc3 a5 11. Rd1 Nd7 12. Rb1 Nc5 13. b3 f5 14. Ba3 Nb4 15. e5 f4 16. Qc1 Bf5 17. Rb2 Ncd3 18. Bxd3 Nxd3 19. Rxd3 Bxd3 20. exd6 e5 21. Nd2 b5 22. Nxb5 e4 23. Nc7 f3 24. Nf1 fxg2 25. Kxg2 Qh4 26. Ng3 Be5 27. Nxa8 Rxf2+ 28. Rxf2 Qxg3+ 29. Kh1 Qxf2 30. Qg1 e3 0-1

[Event "Philadelphia int op 9th"]
[Site "Philadelphia"]
[Date "2012.07.03"]
[Round "9"]
[White "Kaufman, Larry C"]
[Black "Ludwig, Daniel"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2380"]
[BlackElo "2456"]
[PlyCount "35"]
[EventDate "2012.06.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Nc3 0-0 7. Bg2 Na5 8. b3 b6 9. Ne5 Bb7 10. Bxb7 Nxb7 11. 0-0 c5 12. Nf3 d5 13. cxd5 exd5 14. dxc5 bxc5 15. Na4 Bxd2 16. Qxd2 Rac8 17. Rac1 Nd6 18. Qb2 1/2-1/2

[Event "World op 40th"]
[Site "Philadelphia"]
[Date "2012.07.03"]
[Round "2"]
[White "Ludwig, Daniel"]
[Black "Plew, Jeffrey"]
[Result "1-0"]
[ECO "E33"]
[WhiteElo "2482"]
[BlackElo "1996"]
[PlyCount "63"]
[EventDate "2012.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. Nf3 d6 6. a3 Bxc3+ 7. Qxc3 Qe7 8. b4 0-0 9. Bb2 Ne4 10. Qc2 f5 11. e3 Bd7 12. Bd3 Nf6 13. 0-0 Rae8 14. Rfd1 Nd8 15. b5 Nf7 16. a4 g5 17. d5 exd5 18. cxd5 Ne4 19. Nd4 Nh6 20. Bxe4 fxe4 21. Qxc7 Ng4 22. Rd2 Ne5 23. Qxb7 Rb8 24. Qa6 Bc8 25. Nc6 Nf3+ 26. gxf3 Qe8 27. Qxa7 Rb7 28. Qd4 Qh5 29. Qxe4 Bf5 30. Ne7+ Rxe7 31. Qxe7 Rf7 32. Qe8+ 1-0

[Event "Philadelphia int op 9th"]
[Site "Philadelphia"]
[Date "2012.07.02"]
[Round "7"]
[White "Ludwig, Daniel"]
[Black "Jayakumar, Adarsh"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "2456"]
[BlackElo "2267"]
[PlyCount "49"]
[EventDate "2012.06.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Qc2 Bd6 7. g4 h6 8. h3 e5 9. g5 hxg5 10. Nxg5 e4 11. cxd5 cxd5 12. Nb5 Bb8 13. Bd2 Nb6 14. Rc1 Bd7 15. Nc7+ Bxc7 16. Qxc7 Qxc7 17. Rxc7 Rh4 18. Rxb7 Ng8 19. Rg1 Ne7 20. Bb4 Nc6 21. Bc5 Nd8 22. Rc7 f6 23. Nxe4 Ne6 24. Nxf6+ Kf7 25. Rxd7+ 1-0

[Event "Philadelphia int op 9th"]
[Site "Philadelphia"]
[Date "2012.07.02"]
[Round "8"]
[White "Ludwig, Daniel"]
[Black "Zapata, Alonso"]
[Result "1/2-1/2"]
[ECO "A54"]
[WhiteElo "2456"]
[BlackElo "2484"]
[PlyCount "93"]
[EventDate "2012.06.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 c6 5. g3 e5 6. Bg2 Be7 7. 0-0 0-0 8. Qc2 Re8 9. b3 Bf8 10. Bb2 Qc7 11. Rac1 a6 12. Rfd1 e4 13. Nh4 d5 14. cxd5 cxd5 15. f3 exf3 16. Bxf3 Qd6 17. Ng2 Nb6 18. Nf4 Bg4 19. Nd3 Nbd7 20. Na4 Qe6 21. Qd2 Ne4 22. Qf4 Bf5 23. Nac5 Nexc5 24. Nxc5 Nxc5 25. dxc5 Be4 26. Bxe4 dxe4 27. Qg5 f6 28. Qd5 Rac8 29. b4 Qxd5 30. Rxd5 Kf7 31. Rcd1 a5 32. a3 axb4 33. axb4 Rb8 34. Bc1 Ra8 35. Kf2 Ra4 36. R1d4 g6 37. g4 Re5 38. Rd7+ Re7 39. R7d5 Re5 40. Rxe5 fxe5 41. Rd7+ Ke6 42. Rxb7 Rxb4 43. Rc7 Be7 44. g5 Rb8 45. Be3 Rb3 46. Rc8 Rc3 47. Rc7 1/2-1/2

[Event "Philadelphia int op 9th"]
[Site "Philadelphia"]
[Date "2012.07.01"]
[Round "6"]
[White "Bosiocic, Marin"]
[Black "Ludwig, Daniel"]
[Result "1-0"]
[ECO "E54"]
[WhiteElo "2555"]
[BlackElo "2456"]
[PlyCount "47"]
[EventDate "2012.06.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 d5 6. Nf3 c5 7. 0-0 dxc4 8. Bxc4 cxd4 9. exd4 b6 10. Bg5 Bb7 11. Re1 Bxc3 12. bxc3 Nbd7 13. Rc1 Qc7 14. Bd3 Rfe8 15. Bh4 Rac8 16. Bg3 Qc6 17. a4 Qd5 18. c4 Qa5 19. Ne5 Red8 20. Bh4 Nf8 21. Bxf6 gxf6 22. Qg4+ Ng6 23. Bxg6 hxg6 24. Nxg6 1-0

[Event "Philadelphia int op 9th"]
[Site "Philadelphia"]
[Date "2012.07.01"]
[Round "5"]
[White "Ludwig, Daniel"]
[Black "Romanov, Evgeny"]
[Result "1/2-1/2"]
[ECO "E32"]
[WhiteElo "2456"]
[BlackElo "2631"]
[PlyCount "64"]
[EventDate "2012.06.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d6 5. Nf3 Nbd7 6. a3 Bxc3+ 7. Qxc3 0-0 8. g3 Re8 9. Bg2 e5 10. dxe5 Nxe5 11. Nxe5 Rxe5 12. Bf4 Re8 13. 0-0 Ne4 14. Qd4 Nc5 15. Rad1 a5 16. Be3 a4 17. Qc3 Qe7 18. Bxc5 dxc5 19. Rd2 c6 20. Rfd1 Be6 21. e4 f6 22. h3 Qf7 23. f4 Qc7 24. f5 Bf7 25. Rd7 Qb8 26. R1d6 Re7 27. Qd3 Rxd7 28. Rxd7 h6 29. Re7 Qd8 30. Rd7 Qb8 31. Re7 Qd8 32. Rd7 Qb8 1/2-1/2

[Event "Philadelphia int op 9th"]
[Site "Philadelphia"]
[Date "2012.06.30"]
[Round "4"]
[White "Jankovic, Alojzije"]
[Black "Ludwig, Daniel"]
[Result "1/2-1/2"]
[ECO "E31"]
[WhiteElo "2564"]
[BlackElo "2456"]
[PlyCount "71"]
[EventDate "2012.06.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 c5 5. d5 h6 6. Bh4 d6 7. e3 exd5 8. cxd5 Nbd7 9. Bd3 Qa5 10. Nge2 Nxd5 11. 0-0 Bxc3 12. bxc3 0-0 13. Qd2 N5f6 14. e4 b6 15. Ng3 Ba6 16. Nf5 Rae8 17. Nxd6 Bxd3 18. Qxd3 Re6 19. f4 c4 20. Nxc4 Qc5+ 21. Bf2 Qc6 22. e5 Ne4 23. Bd4 Ndc5 24. Qe3 f5 25. exf6 Nxf6 26. Ne5 Ng4 27. Qh3 Nxe5 28. Bxe5 Rfe8 29. Bd4 Re2 30. Qg4 Qd7 31. f5 R8e4 32. Qf3 Qf7 33. f6 Ne6 34. fxg7 Qxf3 35. gxf3 Rf4 36. Bf2 1/2-1/2

[Event "Philadelphia int op 9th"]
[Site "Philadelphia"]
[Date "2012.06.30"]
[Round "3"]
[White "Ludwig, Daniel"]
[Black "Vazquez Reyes, Raul"]
[Result "1-0"]
[ECO "A61"]
[WhiteElo "2456"]
[BlackElo "2298"]
[PlyCount "55"]
[EventDate "2012.06.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. Bf4 a6 8. a4 Bg7 9. h3 0-0 10. e3 Re8 11. Nd2 Nh5 12. Bh2 f5 13. Be2 Nf6 14. 0-0 Qc7 15. Nc4 Bf8 16. a5 Nbd7 17. Na4 Ne5 18. Ncb6 Rb8 19. b4 cxb4 20. Qb3 Bd7 21. Rac1 Qd8 22. Qxb4 Bxa4 23. Nxa4 Nfd7 24. Rb1 Nc5 25. Nxc5 dxc5 26. Qc3 Bd6 27. Rb6 Bc7 28. d6 1-0

[Event "Philadelphia int op 9th"]
[Site "Philadelphia"]
[Date "2012.06.29"]
[Round "1"]
[White "Ludwig, Daniel"]
[Black "Prieto, Ernesto"]
[Result "1-0"]
[ECO "D93"]
[WhiteElo "2456"]
[BlackElo "2100"]
[PlyCount "71"]
[EventDate "2012.06.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 0-0 6. Rc1 c6 7. Nf3 Qa5 8. Nd2 Nbd7 9. Be2 Re8 10. Nb3 Qb6 11. cxd5 Nxd5 12. Nxd5 cxd5 13. 0-0 e5 14. Bg3 Nf8 15. Bxe5 Bxe5 16. dxe5 Rxe5 17. Bf3 Bf5 18. Qd4 Qf6 19. Bxd5 Rd8 20. f4 Rdxd5 21. fxe5 Qd8 22. Qxa7 Qg5 23. Rce1 Be4 24. Rf2 Rxe5 25. Nd2 Ne6 26. Nxe4 Rxe4 27. Qxb7 f5 28. Rc2 Qh4 29. g3 Qg5 30. Rc8+ Nf8 31. a4 Re7 32. Qb8 Rf7 33. a5 Qf6 34. Qb6 Qe5 35. a6 Qe7 36. Ra1 1-0

[Event "Philadelphia int op 9th"]
[Site "Philadelphia"]
[Date "2012.06.29"]
[Round "2"]
[White "Mohota, Nisha"]
[Black "Ludwig, Daniel"]
[Result "1/2-1/2"]
[ECO "A26"]
[WhiteElo "2321"]
[BlackElo "2456"]
[PlyCount "127"]
[EventDate "2012.06.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. g3 Bg7 5. Bg2 f5 6. d3 d6 7. Rb1 Nf6 8. 0-0 0-0 9. b4 h6 10. b5 Ne7 11. Qb3 Be6 12. a4 b6 13. Ba3 Rc8 14. Ne1 g5 15. Nc2 Qe8 16. Nb4 Qh5 17. Qd1 f4 18. Nbd5 Nexd5 19. cxd5 Bh3 20. f3 Bxg2 21. Kxg2 g4 22. Qe1 Rf7 23. Rc1 Rcf8 24. Kh1 Qh3 25. Ne4 Nxe4 26. dxe4 h5 27. Rg1 Bh6 28. Rc3 h4 29. gxf4 g3 30. Rg2 Bxf4 31. Bc1 Rg7 32. Bxf4 Rxf4 33. Rc1 Rf6 34. Qg1 Rfg6 35. Qe3 Kh7 36. f4 exf4 37. Qxf4 Qg4 38. e3 Re7 39. hxg3 hxg3 40. Qxg4 Rxg4 41. Rgc2 Rexe4 42. Rxc7+ Kg6 43. Kg2 Rxe3 44. Rxa7 Rd4 45. Ra8 Rd2+ 46. Kg1 Rxd5 47. Rb8 Ra3 48. Rxb6 Rxa4 49. Rb8 Rb4 50. Rg8+ Kf7 51. Rxg3 Rbxb5 52. Rf3+ Ke6 53. Re1+ Kd7 54. Kf2 Rh5 55. Rf7+ Kc6 56. Rc1+ Rbc5 57. Rxc5+ dxc5 58. Ke3 Rd5 59. Rf2 c4 60. Rd2 Rh5 61. Kd4 Rh4+ 62. Kc3 Kc5 63. Rd8 Rh3+ 64. Kc2 1/2-1/2

[Event "Chicago op 21st"]
[Site "Wheeling"]
[Date "2012.05.28"]
[Round "9"]
[White "Friedel, Joshua E"]
[Black "Ludwig, Daniel"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "2499"]
[BlackElo "2456"]
[PlyCount "82"]
[EventDate "2012.05.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 0-0 6. 0-0 Re8 7. d3 h6 8. Nd5 Bc5 9. e3 d6 10. d4 exd4 11. exd4 Bb6 12. Nxb6 axb6 13. b3 Ne4 14. Bb2 Qf6 15. Qb1 Ng5 16. Nxg5 Qxg5 17. Bc3 Qh5 18. Re1 Bg4 19. Qb2 f6 20. f4 Bf3 21. d5 Bxg2 22. Qxg2 Ne7 23. g4 Qh4 24. Re6 f5 25. g5 hxg5 26. fxg5 f4 27. Rae1 f3 28. Qxf3 Rf8 29. Qg2 Nf5 30. a4 Qh5 31. Kh1 Nh4 32. Qe2 Qxe2 33. R6xe2 Rf3 34. Re3 Raf8 35. h3 R8f5 36. Rxf3 Rxf3 37. Bd4 Rxh3+ 38. Kg1 Rd3 39. Re7 Nf3+ 40. Kg2 Nxd4 41. g6 Rg3+ 0-1

[Event "Chicago op 21st"]
[Site "Wheeling"]
[Date "2012.05.28"]
[Round "8"]
[White "Ivanisevic, Ivan"]
[Black "Ludwig, Daniel"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2655"]
[BlackElo "2456"]
[PlyCount "132"]
[EventDate "2012.05.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. Nd2 c5 4. e4 cxd4 5. e5 Qa5 6. Ngf3 Ne4 7. Bf4 Nc6 8. Bd3 Nxd2 9. Bxd2 Bb4 10. a3 Bxd2+ 11. Qxd2 Qxd2+ 12. Kxd2 f6 13. Rae1 fxe5 14. Nxe5 0-0 15. Rhf1 d6 16. Nc4 Rd8 17. b4 b5 18. Na5 Nxa5 19. bxa5 a6 20. f4 Kf7 21. g3 Bb7 22. Rb1 Bd5 23. Rb4 Rac8 24. Rxd4 Rc5 25. Re1 Bc4 26. Be4 Rd7 27. Bf3 g6 28. Re3 Ke7 29. Bg4 Rdc7 30. c3 R7c6 31. h4 Bd5 32. Bd1 Kf6 33. g4 Rc4 34. Be2 Rxd4+ 35. cxd4 Rc7 36. Bd3 Rf7 37. Rg3 Kg7 38. f5 e5 39. dxe5 dxe5 40. fxg6 hxg6 41. Re3 Re7 42. g5 Kf7 43. Re1 Re6 44. Rc1 e4 45. Rc7+ Kf8 46. Be2 e3+ 47. Ke1 Bc4 48. Bxc4 bxc4 49. Rxc4 Re5 50. Rc6 Re4 51. Rxg6 Rxh4 52. Rxa6 Ra4 53. Ra7 Rxa3 54. a6 Ra2 55. Ra8+ Kg7 56. a7 Kh7 57. Kf1 Rf2+ 58. Ke1 Ra2 59. Kd1 Rd2+ 60. Kc1 Ra2 61. Kb1 Ra5 62. Kc2 Ra2+ 63. Kd1 Rd2+ 64. Ke1 Ra2 65. g6+ Kg7 66. Kd1 Rd2+ 1/2-1/2

[Event "Chicago op 21st"]
[Site "Wheeling"]
[Date "2012.05.27"]
[Round "7"]
[White "Ludwig, Daniel"]
[Black "Holt, Conrad"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2456"]
[BlackElo "2515"]
[PlyCount "173"]
[EventDate "2012.05.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bg4 5. Qb3 Qb6 6. Nc3 e6 7. Nh4 Bh5 8. h3 Na6 9. c5 Qxb3 10. axb3 Nb4 11. Ra4 a5 12. g4 Bg6 13. Nxg6 hxg6 14. f3 Nd7 15. Kf2 b6 16. cxb6 Nxb6 17. Ra1 c5 18. Bb5+ Kd8 19. dxc5 Bxc5 20. Bd2 Ke7 21. Ne2 Kd6 22. f4 Rhb8 23. Rhc1 Nd7 24. Nc3 f5 25. Bf1 Nf6 26. Nb5+ Kd7 27. Kf3 Ne4 28. Be1 Nc6 29. Rc2 Bb4 30. Rac1 Rb6 31. Bxb4 axb4 32. Nd4 Nxd4+ 33. exd4 Ra7 34. Bd3 Nd6 35. Rg1 Ne8 36. gxf5 gxf5 37. Rg6 Rc7 38. Rxc7+ Kxc7 39. Ke3 Kb7 40. Kf3 Ka7 41. Kf2 Kb7 42. Kg3 Kc7 43. Kh4 Kb7 44. Rg1 Kc7 45. Kg5 Kd6 46. Ra1 Rb7 47. Kg6 Ke7 48. h4 Kd6 49. h5 Ke7 50. Re1 Kd7 51. Re2 Rb8 52. Re3 Nf6 53. Re1 Nxh5 54. Kxh5 Rh8+ 55. Kg6 Rh3 56. Bf1 Rf3 57. Kf7 Rxf4 58. Bb5+ Kc7 59. Kxe6 Kb6 60. Ke5 Rf2 61. Be2 g5 62. Bd3 f4 63. Rg1 Rf3 64. Bf5 Rxb3 65. Rxg5 f3 66. Rg4 Kc6 67. Rf4 Re3+ 68. Kf6 Kd6 69. Bg4 Re4 70. Kf5 f2 71. Rxf2 Rxd4 72. Rc2 Rc4 73. Rd2 Kc5 74. Bf3 d4 75. Ke4 b3 76. Kd3 Rc1 77. Bd1 Kb4 78. Kxd4 Rc4+ 79. Ke3 Rc1 80. Rd3 Kc4 81. Bxb3+ Kb4 82. Kd2 Rf1 83. Bd1 Rg1 84. Rd4+ Kc5 85. Kc3 Rg3+ 86. Rd3 Rg4 87. Bxg4 1-0

[Event "Chicago op 21st"]
[Site "Wheeling"]
[Date "2012.05.27"]
[Round "6"]
[White "Mitkov, Nikola"]
[Black "Ludwig, Daniel"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2518"]
[BlackElo "2456"]
[PlyCount "101"]
[EventDate "2012.05.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. f4 g6 4. Nf3 Bg7 5. Bc4 Nc6 6. 0-0 Nf6 7. d3 0-0 8. Kh1 Bg4 9. h3 Bxf3 10. Qxf3 Nd4 11. Qf2 e6 12. a4 Nd7 13. Ba2 Kh8 14. Nd1 Qe7 15. c3 Nc6 16. f5 gxf5 17. exf5 d5 18. Bf4 d4 19. Qg3 Rg8 20. Bd6 Qf6 21. Nf2 Qxf5 22. Ne4 Qh5 23. Qg5 Qxg5 24. Nxg5 Nde5 25. cxd4 cxd4 26. Rae1 h6 27. Nxf7+ Nxf7 28. Rxf7 e5 29. Rxb7 Rgd8 30. Bc7 Rd7 31. Be6 Re7 32. Bd5 Rc8 33. Bxc6 Rexc7 34. Rxc7 Rxc7 35. Bd5 Bf8 36. g4 Rc2 37. Rxe5 Rxb2 38. Rf5 Bb4 39. Rf6 Kg7 40. Ra6 Re2 41. Be4 Bd2 42. h4 Rf2 43. g5 hxg5 44. hxg5 Rf7 45. Kg2 Kf8 46. g6 Re7 47. Kf3 Kg7 48. Rd6 Bc3 49. Kg4 a5 50. Kf5 Bb2 51. Rd8 1-0

[Event "Chicago op 21st"]
[Site "Wheeling"]
[Date "2012.05.26"]
[Round "5"]
[White "Ludwig, Daniel"]
[Black "Shulman, Yuri"]
[Result "1-0"]
[ECO "E32"]
[WhiteElo "2456"]
[BlackElo "2571"]
[PlyCount "141"]
[EventDate "2012.05.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. a3 Bxc3+ 6. Qxc3 b6 7. Bg5 c5 8. dxc5 bxc5 9. e3 d6 10. 0-0-0 Nbd7 11. Rxd6 Qc7 12. Rd1 Ne4 13. Qc2 Nxg5 14. h4 Ne4 15. Qxe4 Bb7 16. Qc2 Ne5 17. Ne2 Rad8 18. Rxd8 Rxd8 19. Nf4 Bc6 20. Be2 Rb8 21. Rd1 Qa5 22. Qd2 Qb6 23. Qc3 Qc7 24. Rd2 Ba4 25. Bd1 Bxd1 26. Rxd1 h6 27. Nh5 f6 28. Nf4 Qc6 29. Qa5 Nxc4 30. Qxa7 Qb5 31. b4 Ne5 32. Nxe6 Rb7 33. Qxc5 Qa6 34. Qc8+ Kh7 35. Nf8+ Kg8 36. Nd7+ Kh7 37. Qc2+ g6 38. Nxe5 Qxa3+ 39. Qb2 Rc7+ 40. Kb1 Qa4 41. Rc1 Rxc1+ 42. Kxc1 fxe5 43. h5 e4 44. hxg6+ Kxg6 45. Kd2 Qd7+ 46. Qd4 Qc6 47. b5 Qxb5 48. Qxe4+ Kg7 49. Qd4+ Kf7 50. Ke1 Qc6 51. Qf4+ Kg6 52. Qg4+ Kh7 53. Qf5+ Kg7 54. g4 Qa6 55. e4 Qd3 56. e5 Qc3+ 57. Kf1 Qc1+ 58. Kg2 Qc6+ 59. Qf3 Qc4 60. Qf6+ Kh7 61. Qf5+ Kg7 62. e6 Qc6+ 63. f3 Qc4 64. Qe5+ Kf8 65. Qf6+ Kg8 66. Qg6+ Kh8 67. Qxh6+ Kg8 68. Qg6+ Kh8 69. Qe4 Qa2+ 70. Kg3 Qa1 71. Qe3 1-0

[Event "Chicago op 21st"]
[Site "Wheeling"]
[Date "2012.05.26"]
[Round "4"]
[White "Sargissian, Gabriel"]
[Black "Ludwig, Daniel"]
[Result "1-0"]
[ECO "D94"]
[WhiteElo "2679"]
[BlackElo "2456"]
[PlyCount "73"]
[EventDate "2012.05.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. c4 c6 2. d4 d5 3. Nc3 Nf6 4. e3 g6 5. Nf3 Bg7 6. Be2 0-0 7. 0-0 a6 8. a4 Bg4 9. Qb3 Ra7 10. h3 Bxf3 11. Bxf3 e6 12. a5 Nbd7 13. Rd1 Qe7 14. e4 dxe4 15. Bxe4 Nxe4 16. Nxe4 Qh4 17. Ng5 h6 18. Nf3 Qd8 19. Be3 Ra8 20. Qxb7 Qc8 21. Qxc8 Rfxc8 22. b4 Rab8 23. Rab1 Rb7 24. d5 exd5 25. b5 cxb5 26. cxb5 Rxb5 27. Rxb5 axb5 28. Rxd5 Nf6 29. Rxb5 Ra8 30. Ne5 Ra6 31. Nc4 Nd7 32. Rd5 Nf6 33. Rd6 Rxd6 34. Nxd6 Nd5 35. a6 Nc7 36. a7 Bf8 37. Nc4 1-0

[Event "Chicago op 21st"]
[Site "Wheeling"]
[Date "2012.05.25"]
[Round "3"]
[White "Ludwig, Daniel"]
[Black "Adams, Michael"]
[Result "1-0"]
[ECO "E15"]
[WhiteElo "2456"]
[BlackElo "2728"]
[PlyCount "107"]
[EventDate "2012.05.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qc2 Bb7 6. Bg2 c5 7. d5 exd5 8. cxd5 Nxd5 9. 0-0 Be7 10. Rd1 Nc6 11. Qa4 Nf6 12. Nh4 g6 13. Bh6 a6 14. Nc3 b5 15. Qf4 Qb8 16. Qf3 Qe5 17. Bg7 Rg8 18. Rd5 Qe6 19. Bxf6 Qxf6 20. Qxf6 Bxf6 21. Ne4 Be7 22. Nxc5 Bxc5 23. Rxc5 Ke7 24. Nf3 Rgc8 25. Rac1 Na5 26. Ne1 Rxc5 27. Rxc5 Kd6 28. Nd3 Re8 29. Bxb7 Nxb7 30. Rc2 a5 31. f3 f5 32. Kf2 a4 33. h3 Na5 34. Rc5 Nc6 35. g4 fxg4 36. hxg4 Rb8 37. e4 Ke7 38. Ke3 Na5 39. f4 Nc4+ 40. Kd4 Kd8 41. f5 Rb6 42. g5 h6 43. gxh6 gxf5 44. Rxb5 Rxh6 45. Kxc4 fxe4 46. Nc5 e3 47. Kd3 a3 48. bxa3 Rh2 49. Kxe3 Rxa2 50. Rb3 Kc7 51. Kd4 Kc6 52. Nd3 Ra1 53. Nb4+ Kd6 54. Kc4 1-0

[Event "Chicago op 21st"]
[Site "Wheeling"]
[Date "2012.05.25"]
[Round "2"]
[White "Wu, Christopher"]
[Black "Ludwig, Daniel"]
[Result "0-1"]
[ECO "B91"]
[WhiteElo "2204"]
[BlackElo "2456"]
[PlyCount "62"]
[EventDate "2012.05.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nb3 Be7 8. Bg2 0-0 9. 0-0 b5 10. a4 b4 11. Nd5 Nxd5 12. Qxd5 Ra7 13. Be3 Be6 14. Qd3 Rb7 15. Rfc1 Qc7 16. Nd2 a5 17. f4 exf4 18. gxf4 Nd7 19. Bd4 f6 20. f5 Bf7 21. e5 Nxe5 22. Bxe5 dxe5 23. Bxb7 Qxb7 24. h3 Rd8 25. Qe2 Bh5 26. Qc4+ Kf8 27. Nf1 Rd4 28. Qb3 Bc5 29. Kh2 Rf4 30. Ne3 Rf2+ 31. Kg1 Bxe3 0-1

[Event "Chicago op 21st"]
[Site "Wheeling"]
[Date "2012.05.24"]
[Round "1"]
[White "Ludwig, Daniel"]
[Black "Greanias, Steve"]
[Result "1-0"]
[ECO "D83"]
[WhiteElo "2456"]
[BlackElo "2155"]
[PlyCount "117"]
[EventDate "2012.05.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 0-0 6. Rc1 Be6 7. Qb3 c5 8. Nf3 Nc6 9. dxc5 dxc4 10. Qxb7 Rc8 11. Ng5 Bd5 12. e4 h6 13. exd5 hxg5 14. Bxg5 Nxd5 15. Bxc4 Nxc3 16. bxc3 Qa5 17. Qb5 Bxc3+ 18. Kf1 Qa3 19. Qb3 Bb4 20. Be3 Nd4 21. Qxa3 Bxa3 22. Rc3 Bb2 23. Rd3 Nf5 24. Bd2 Rxc5 25. Bb3 Rfc8 26. g3 Nd4 27. Bd1 e5 28. f3 Bc3 29. Kf2 Bxd2 30. Rxd2 Rc1 31. Re1 f6 32. f4 R8c5 33. fxe5 fxe5 34. h4 Kg7 35. g4 Ra1 36. Re3 Rcc1 37. Red3 Rc5 38. Ke3 Kf6 39. Ra3 a5 40. Rad3 Rc4 41. Rb2 Rb4 42. Rxb4 axb4 43. Rd2 Rc1 44. Ke4 Nb5 45. g5+ Ke7 46. Kxe5 Nc3 47. Bb3 Re1+ 48. Kf4 Re4+ 49. Kg3 Re3+ 50. Kg2 Re4 51. Rf2 Rxh4 52. Rf7+ Kd6 53. Rf6+ Ke5 54. Rxg6 Rd4 55. Kf3 Rd2 56. Ra6 Kf5 57. g6 Rd3+ 58. Kg2 Kf4 59. Rf6+ 1-0

[Event "Philadelphia op"]
[Site "Philadelphia"]
[Date "2011.04.24"]
[Round "9"]
[White "Harmon, Leland"]
[Black "Ludwig, Daniel"]
[Result "0-1"]
[ECO "B80"]
[WhiteElo "2128"]
[BlackElo "2450"]
[PlyCount "118"]
[EventDate "2011.04.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 b5 8. g4 h6 9. Qd2 b4 10. Nce2 e5 11. Nb3 Nc6 12. Ng3 Be6 13. 0-0-0 g6 14. Kb1 Qc7 15. g5 hxg5 16. Bxg5 Nd7 17. h4 a5 18. h5 a4 19. Nc1 Nd4 20. Be3 b3 21. cxb3 axb3 22. Bxd4 exd4 23. a3 Bh6 24. Qg2 Rc8 25. Bd3 Ne5 26. Qf1 Bf4 27. Nge2 Be3 28. Bb5+ Ke7 29. Nxd4 Bxd4 30. Rxd4 Qc2+ 31. Ka1 Rxh5 32. Rd1 Bc4 33. Bxc4 Nxc4 34. Qe2 Nxa3 35. Qxc2 bxc2 36. Rdg1 Rxh1 37. Rxh1 Nc4 38. b3 Nd2 39. Rh3 Nxb3+ 40. Nxb3 c1Q+ 41. Nxc1 Rxc1+ 42. Kb2 Rc8 43. Kb3 Ke6 44. Rh1 Ke5 45. Rd1 Rc6 46. Rd3 f5 47. exf5 gxf5 48. Kb4 Kf4 49. Kb5 Rc8 50. Kb4 Kg3 51. Kb5 f4 52. Kb4 Kf2 53. Kb5 Ke2 54. Rxd6 Kxf3 55. Re6 Kf2 56. Kb4 f3 57. Kb3 Kf1 58. Kb2 f2 59. Rg6 Rf8 0-1

[Event "Philadelphia op"]
[Site "Philadelphia"]
[Date "2011.04.24"]
[Round "8"]
[White "Ludwig, Daniel"]
[Black "Stocek, Jiri"]
[Result "0-1"]
[ECO "B81"]
[WhiteElo "2450"]
[BlackElo "2580"]
[PlyCount "86"]
[EventDate "2011.04.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. g4 h6 7. h3 a6 8. Bg2 Nc6 9. Be3 Ne5 10. Qe2 g5 11. 0-0-0 Bd7 12. f4 gxf4 13. Bxf4 Rc8 14. Rhf1 Rxc3 15. bxc3 Qc7 16. Kb1 Be7 17. Bc1 Ba4 18. Qf2 Nfd7 19. Nb3 Bb5 20. Rfe1 Nb6 21. Bf1 Na4 22. Bxb5+ axb5 23. Rd4 Nxc3+ 24. Ka1 0-0 25. Qg3 Ra8 26. a3 d5 27. Re3 Nxe4 28. Qg2 Bxa3 29. Bxa3 Rxa3+ 30. Kb2 Ra4 31. Rexe4 dxe4 32. Qxe4 Nc4+ 33. Kc1 Ra8 34. Qd3 Qe7 35. Qc3 Rc8 36. Nd2 Qa3+ 37. Qxa3 Nxa3 38. Kb2 Nxc2 39. Re4 Kg7 40. Nf3 b4 41. Ne5 b5 42. Nd3 Rc4 43. Re5 Nd4 0-1

[Event "Philadelphia op"]
[Site "Philadelphia"]
[Date "2011.04.23"]
[Round "7"]
[White "Ludwig, Daniel"]
[Black "Holt, Conrad"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2450"]
[BlackElo "2408"]
[PlyCount "103"]
[EventDate "2011.04.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bg4 5. Qb3 Qb6 6. Nc3 e6 7. Nh4 Bh5 8. h3 Qxb3 9. axb3 Na6 10. g4 Nb4 11. Ra4 Bg6 12. Nxg6 hxg6 13. f3 Nd7 14. Kf2 a5 15. Bd2 b5 16. Ra1 bxc4 17. bxc4 dxc4 18. Bxc4 Kd8 19. Ne4 Be7 20. Kg2 Kc7 21. Rhc1 Rhb8 22. Nf2 Kb7 23. Be2 g5 24. e4 e5 25. Bc3 exd4 26. Bxd4 Bf6 27. Bxf6 gxf6 28. f4 Rd8 29. Kf3 Nf8 30. e5 Ne6 31. Bc4 Nd4+ 32. Kg2 gxf4 33. exf6 f3+ 34. Kg3 Re8 35. Bxf7 Rf8 36. Bc4 Rxf6 37. Ne4 Rff8 38. Nc5+ Kc7 39. Ne6+ Nxe6 40. Bxe6 Rfe8 41. Bc4 Rf8 42. Rc3 f2 43. Rf1 Rad8 44. b3 Rd2 45. Rf3 Rxf3+ 46. Kxf3 Rc2 47. g5 Nd5 48. Bxd5 Rc3+ 49. Kxf2 cxd5 50. g6 Rxb3 51. g7 Rb8 52. Rg1 1-0

[Event "Philadelphia op"]
[Site "Philadelphia"]
[Date "2011.04.23"]
[Round "6"]
[White "Mitkov, Nikola"]
[Black "Ludwig, Daniel"]
[Result "1-0"]
[ECO "B82"]
[WhiteElo "2529"]
[BlackElo "2450"]
[PlyCount "51"]
[EventDate "2011.04.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. Nf3 a6 4. d4 cxd4 5. Nxd4 d6 6. Bd3 Nf6 7. 0-0 Be7 8. f4 Nbd7 9. Kh1 0-0 10. Bd2 Nc5 11. Qf3 Nxd3 12. cxd3 Qb6 13. Nb3 a5 14. Be3 Qa6 15. Nd4 a4 16. Rad1 Qa5 17. a3 Bd7 18. g4 Bc6 19. g5 Nd7 20. Qh3 Nc5 21. f5 exf5 22. Nxf5 Qd8 23. Nxg7 Kxg7 24. Qh6+ Kg8 25. Rf3 Qc8 26. Bd4 1-0

[Event "Philadelphia op"]
[Site "Philadelphia"]
[Date "2011.04.22"]
[Round "4"]
[White "Bryant, John Daniel"]
[Black "Ludwig, Daniel"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2418"]
[BlackElo "2450"]
[PlyCount "51"]
[EventDate "2011.04.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 e6 6. Be2 Nc6 7. 0-0 Be7 8. Na3 cxd4 9. Nb5 Qd8 10. Nbxd4 Nxd4 11. Nxd4 0-0 12. Bf4 Qa5 13. Bg3 Ne4 14. Nb3 Qa4 15. Be5 f6 16. Bd4 e5 17. Bd3 exd4 18. Bxe4 dxc3 19. Bd5+ Kh8 20. bxc3 Qf4 21. Nd4 Rd8 22. Re1 Bc5 23. Re4 Qg5 24. Nf3 Qh5 25. c4 Bg4 26. h3 1/2-1/2

[Event "Philadelphia op"]
[Site "Philadelphia"]
[Date "2011.04.22"]
[Round "5"]
[White "Ludwig, Daniel"]
[Black "Adu, Oladapo"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2450"]
[BlackElo "2269"]
[PlyCount "51"]
[EventDate "2011.04.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. d4 d6 2. e4 g6 3. Nc3 Bg7 4. Be3 c6 5. Qd2 Qc7 6. f4 b5 7. Bd3 Nd7 8. Nf3 Nb6 9. b3 Bg4 10. 0-0 Nf6 11. h3 Bxf3 12. Rxf3 a5 13. f5 0-0 14. Raf1 b4 15. Ne2 c5 16. dxc5 dxc5 17. Bf4 Qa7 18. e5 Nfd5 19. Kh1 Rad8 20. Bh6 Nd7 21. fxg6 hxg6 22. Bxg7 Kxg7 23. Qg5 Qb6 24. Ng3 Qe6 25. Nf5+ Kg8 26. Nh6+ 1-0

[Event "Philadelphia op"]
[Site "Philadelphia"]
[Date "2011.04.21"]
[Round "2"]
[White "Gu, Christopher"]
[Black "Ludwig, Daniel"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2180"]
[BlackElo "2450"]
[PlyCount "74"]
[EventDate "2011.04.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 e6 6. Na3 a6 7. Nc4 Nbd7 8. Be2 cxd4 9. Qxd4 Bc5 10. Qxd5 Nxd5 11. 0-0 f6 12. Rd1 Kf7 13. a4 b6 14. Nfd2 Bb7 15. Ne4 Bc6 16. Nxc5 Nxc5 17. a5 b5 18. Nd2 Rhd8 19. g3 Rd7 20. Rf1 Rad8 21. Bd1 Nc7 22. Nb3 Nd3 23. Be2 Bd5 24. Nd4 Nxc1 25. Raxc1 e5 26. Nc2 Be4 27. Rfd1 Rd2 28. Kf1 Bxc2 29. Rxd2 Rxd2 30. Ke1 Rxe2+ 31. Kxe2 Bb3 32. h4 Ne8 33. Ra1 Nd6 34. Ra3 Bc4+ 35. Ke3 Bd5 36. b3 Ke6 37. Kd3 g5 0-1

[Event "Philadelphia op"]
[Site "Philadelphia"]
[Date "2011.04.21"]
[Round "3"]
[White "Ludwig, Daniel"]
[Black "Perelshteyn, Eugene"]
[Result "1/2-1/2"]
[ECO "E81"]
[WhiteElo "2450"]
[BlackElo "2533"]
[PlyCount "73"]
[EventDate "2011.04.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 a6 6. Be3 c6 7. c5 0-0 8. Nge2 b6 9. cxd6 exd6 10. Nf4 c5 11. dxc5 dxc5 12. Qxd8 Rxd8 13. Nfd5 Nbd7 14. 0-0-0 Nxd5 15. Nxd5 Bb7 16. Bg5 f6 17. Bc4 fxg5 18. Nxb6+ Kh8 19. Nxa8 Bxa8 20. Rd6 Be5 21. Rhd1 Bxd6 22. Rxd6 Kg7 23. Be6 Kf6 24. Rxd7 Rxd7 25. Bxd7 Ke5 26. Kd2 Kd4 27. Be6 Bc6 28. Bg8 Be8 29. g3 g4 30. Ke2 h6 31. Bd5 Bb5+ 32. Kf2 Bd3 33. Bb7 a5 34. e5 Kxe5 35. Ke3 Bf5 36. f4+ Kd6 37. Bg2 1/2-1/2

[Event "Philadelphia op"]
[Site "Philadelphia"]
[Date "2011.04.20"]
[Round "1"]
[White "Ludwig, Daniel"]
[Black "Karklins, Andrew"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2450"]
[BlackElo "2228"]
[PlyCount "45"]
[EventDate "2011.04.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 c5 5. Bxb4 cxb4 6. g3 0-0 7. Bg2 d6 8. 0-0 Nbd7 9. Nbd2 Rb8 10. Qa4 a5 11. a3 Qb6 12. axb4 axb4 13. Rfc1 e5 14. e3 Ne8 15. Qa5 Qxa5 16. Rxa5 exd4 17. exd4 Nc7 18. Ne4 d5 19. cxd5 Na6 20. Ne5 Nb6 21. Rb5 Na4 22. Ra1 Nc7 23. Rxb4 1-0

[Event "USA College-ch"]
[Site "Brownsville"]
[Date "2010.04.11"]
[Round "3"]
[White "Papp, Gabor"]
[Black "Ludwig, Daniel"]
[Result "1-0"]
[ECO "B86"]
[WhiteElo "2542"]
[BlackElo "2460"]
[PlyCount "141"]
[EventDate "2010.04.10"]
[EventType "team-tourn"]
[EventRounds "3"]
[EventCountry "USA"]
[SourceTitle "CBM 135 Extra"]
[Source "ChessBase"]
[SourceDate "2010.05.04"]
[SourceVersion "1"]
[SourceVersionDate "2010.05.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bc4 a6 7. Bb3 Nbd7 8. Bg5 Nc5 9. f4 h6 10. Bxf6 Qxf6 11. 0-0 Be7 12. Nf5 Nxe4 13. Nxe4 Qxf5 14. Nxd6+ Bxd6 15. Qxd6 Bd7 16. Rae1 Rd8 17. Re5 Qf6 18. Rfe1 Bc8 19. Qb4 Qe7 20. Qc3 0-0 21. f5 Qf6 22. fxe6 Bxe6 23. Bxe6 fxe6 24. Qe3 Rf7 25. c3 Rd6 26. Rxe6 Rxe6 27. Qxe6 Qf2+ 28. Kh1 Kh7 29. h3 Rf4 30. Qe2 b5 31. Qd3+ Kg8 32. Re2 Qc5 33. Re8+ Kf7 34. Qd7+ Kg6 35. Qe6+ Rf6 36. Qg4+ Kf7 37. Qd7+ Kg6 38. Qg4+ Kf7 39. Re1 Qd5 40. Qe2 Kg8 41. a3 Qc5 42. Qe8+ Kh7 43. Qe4+ Kh8 44. Rd1 Rf8 45. Qg6 a5 46. Qd3 Rf2 47. Qe4 Qf8 48. b4 axb4 49. axb4 Rf4 50. Qd3 Rc4 51. Qd8 Qxd8 52. Rxd8+ Kh7 53. Rd3 Kg6 54. Kg1 Kf5 55. Kf2 g5 56. Ke3 g4 57. hxg4+ Rxg4 58. Rd5+ Kg6 59. Kf3 Rc4 60. Rc5 Rxc5 61. bxc5 Kf5 62. c6 Ke6 63. Kg4 Kd6 64. Kh5 Kxc6 65. Kxh6 Kc5 66. g4 Kc4 67. g5 Kxc3 68. g6 b4 69. g7 b3 70. g8Q b2 71. Qg6 1-0

[Event "USA College-ch"]
[Site "Brownsville"]
[Date "2010.04.10"]
[Round "1"]
[White "Erenburg, Sergey"]
[Black "Ludwig, Daniel"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "2580"]
[BlackElo "2460"]
[PlyCount "69"]
[EventDate "2010.04.10"]
[EventType "team-tourn"]
[EventRounds "3"]
[EventCountry "USA"]
[SourceTitle "CBM 135 Extra"]
[Source "ChessBase"]
[SourceDate "2010.05.04"]
[SourceVersion "1"]
[SourceVersionDate "2010.05.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 a6 7. f3 b5 8. Qd2 b4 9. Nce2 e5 10. Nb3 Nc6 11. g4 h6 12. c4 Be6 13. Ng3 g6 14. h4 h5 15. g5 Nd7 16. Rc1 a5 17. Bh3 a4 18. Bxe6 fxe6 19. Na1 Nc5 20. 0-0 Bg7 21. Rcd1 Ke7 22. Nc2 Rb8 23. Qf2 Qa5 24. f4 exf4 25. Bxf4 e5 26. Be3 Rhf8 27. Nf5+ gxf5 28. exf5 Nd7 29. Qd2 Nd4 30. f6+ Nxf6 31. gxf6+ Bxf6 32. Bg5 Qd8 33. Nxd4 exd4 34. Rxf6 Rxf6 35. Rf1 1-0

[Event "USA College-ch"]
[Site "Brownsville"]
[Date "2010.04.10"]
[Round "2"]
[White "Ludwig, Daniel"]
[Black "Flores Rios, Mauricio"]
[Result "1/2-1/2"]
[ECO "A65"]
[WhiteElo "2460"]
[BlackElo "2509"]
[PlyCount "96"]
[EventDate "2010.04.10"]
[EventType "team-tourn"]
[EventRounds "3"]
[EventCountry "USA"]
[SourceTitle "CBM 135 Extra"]
[Source "ChessBase"]
[SourceDate "2010.05.04"]
[SourceVersion "1"]
[SourceVersionDate "2010.05.04"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Nge2 c5 7. d5 e6 8. Ng3 exd5 9. cxd5 a6 10. a4 Nbd7 11. Be2 h5 12. Bg5 Qe8 13. Qd2 Nh7 14. Bh6 Ne5 15. Bxg7 Kxg7 16. f4 Ng4 17. 0-0 h4 18. Nh1 Nh6 19. Rae1 f5 20. exf5 Nxf5 21. Bxa6 Qf7 22. Bb5 Nd4 23. h3 Nf6 24. Nf2 Bf5 25. Bc4 b6 26. b4 Rfe8 27. Nb5 Nxb5 28. Bxb5 Red8 29. Bc6 Ra7 30. Re2 Nh5 31. Rfe1 Qf6 32. a5 bxa5 33. b5 c4 34. b6 c3 35. Qc1 Rf7 36. b7 Rb8 37. Re3 Nxf4 38. Rf3 g5 39. Rxc3 a4 40. Rc4 Nxg2 41. Re8 Rfxb7 42. Kxg2 Rxe8 43. Bxe8 Rb2 44. Rc7+ Kh6 45. Rf7 Qxf7 46. Qxb2 Qxe8 47. Qf6+ Bg6 48. Qxd6 Qe2 1/2-1/2

[Event "Pan American Intercollegiate-chT"]
[Site "South Padre Island"]
[Date "2009.12.30"]
[Round "6"]
[White "Bachmann, Axel"]
[Black "Ludwig, Daniel"]
[Result "1/2-1/2"]
[ECO "A12"]
[WhiteElo "2553"]
[BlackElo "2461"]
[PlyCount "20"]
[EventDate "2009.12.27"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "CBM 134 Extra"]
[Source "ChessBase"]
[SourceDate "2010.03.03"]
[SourceVersion "1"]
[SourceVersionDate "2010.03.03"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. 0-0 Bg4 5. d3 Nbd7 6. c4 e6 7. b3 Be7 8. Bb2 0-0 9. Nbd2 a5 10. a3 b5 1/2-1/2

[Event "Pan American Intercollegiate-chT"]
[Site "South Padre Island"]
[Date "2009.12.29"]
[Round "4"]
[White "Erenburg, Sergey"]
[Black "Ludwig, Daniel"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "2579"]
[BlackElo "2461"]
[PlyCount "79"]
[EventDate "2009.12.27"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "CBM 134"]
[Source "ChessBase"]
[SourceDate "2010.01.18"]
[SourceVersion "1"]
[SourceVersionDate "2010.01.18"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 b5 8. Qd2 Nbd7 9. g4 Nb6 10. a4 Nc4 11. Bxc4 bxc4 12. a5 Bb7 13. Na4 Rc8 14. Nb6 Rc7 15. g5 Nd7 16. Ne2 Be7 17. 0-0-0 0-0 18. Rhg1 Qe8 19. Nc3 Nxb6 20. axb6 Rd7 21. f4 f5 22. gxf6 Bxf6 23. e5 Be7 24. exd6 Bxd6 25. Qe2 Bd5 26. Kb1 Rf5 27. Bd4 g6 28. Nxd5 Rxd5 29. Bc3 Bc5 30. Rxd5 Rxd5 31. b7 Kf7 32. Re1 Bd6 33. Qxc4 Qd7 34. Qc8 Bxf4 35. Qxd7+ Rxd7 36. Rf1 Rxb7 37. Rxf4+ Ke7 38. Bb4+ Ke8 39. Rf8+ Kd7 40. Rf7+ 1-0

[Event "Pan American Intercollegiate-chT"]
[Site "South Padre Island"]
[Date "2009.12.29"]
[Round "5"]
[White "Harris, Ian"]
[Black "Ludwig, Daniel"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2095"]
[BlackElo "2461"]
[PlyCount "112"]
[EventDate "2009.12.27"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "CBM 134 Extra"]
[Source "ChessBase"]
[SourceDate "2010.03.03"]
[SourceVersion "1"]
[SourceVersionDate "2010.03.03"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 g6 4. Bd3 Bg7 5. Nf3 0-0 6. Nbd2 c5 7. c3 Nc6 8. h3 Nd7 9. 0-0 e5 10. dxe5 Ndxe5 11. Bc2 Be6 12. e4 Nxf3+ 13. Qxf3 d4 14. Ba4 Ne5 15. Qg3 Nc6 16. Nb3 Bc4 17. Bxc6 bxc6 18. Bd6 Re8 19. Rfd1 Bxb3 20. axb3 Qb6 21. cxd4 Bxd4 22. e5 Bxb2 23. Rab1 Ba3 24. Kh1 Qb4 25. f4 Qe4 26. Re1 Qf5 27. Qf3 Bb4 28. g4 Qe6 29. Red1 f5 30. Rg1 a5 31. Rbd1 c4 32. gxf5 Qxf5 33. Rg5 Qf7 34. f5 Bxd6 35. Rxd6 Rxe5 36. Qxc6 Rae8 37. Rf6 Qd5+ 38. Qxd5+ Rxd5 39. bxc4 Rc5 40. h4 Re4 41. h5 Kg7 42. Ra6 Rxf5 43. h6+ Kf7 44. Rxf5+ gxf5 45. Rxa5 Kg6 46. c5 Rc4 47. Ra6+ Kg5 48. Rc6 Rc2 49. Rc8 Kxh6 50. c6 Kg5 51. c7 Kf4 52. Kg1 h5 53. Kf1 Kf3 54. Kg1 f4 55. Kh1 Rc5 56. Kh2 Rc1 0-1

[Event "Pan American Intercollegiate-chT"]
[Site "South Padre Island"]
[Date "2009.12.28"]
[Round "3"]
[White "Ludwig, Daniel"]
[Black "Papp, Gabor"]
[Result "1/2-1/2"]
[ECO "E34"]
[WhiteElo "2461"]
[BlackElo "2553"]
[PlyCount "48"]
[EventDate "2009.12.27"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "CBM 134 Extra"]
[Source "ChessBase"]
[SourceDate "2010.03.03"]
[SourceVersion "1"]
[SourceVersionDate "2010.03.03"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 Qf5 7. Qb3 c5 8. Bd2 Nc6 9. a3 Bxc3 10. Bxc3 Ne4 11. e3 cxd4 12. exd4 Nxc3 13. Qxc3 Qe4+ 14. Qe3 Qxe3+ 15. fxe3 Ke7 16. Bd3 b6 17. Rc1 Bb7 18. 0-0 Rac8 19. Rc3 Na5 20. Rfc1 Rxc3 21. Rxc3 Rc8 22. Rxc8 Bxc8 23. Kf2 h6 24. e4 f6 1/2-1/2

[Event "Pan American Intercollegiate-chT"]
[Site "South Padre Island"]
[Date "2009.12.27"]
[Round "1"]
[White "Ludwig, Daniel"]
[Black "Morales, Luis Alejandro"]
[Result "1-0"]
[ECO "E35"]
[WhiteElo "2461"]
[BlackElo "2039"]
[PlyCount "87"]
[EventDate "2009.12.27"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "CBM 134 Extra"]
[Source "ChessBase"]
[SourceDate "2010.03.03"]
[SourceVersion "1"]
[SourceVersionDate "2010.03.03"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. Bg5 h6 7. Bh4 g5 8. Bg3 c5 9. e3 Ne4 10. Bd3 Bf5 11. Bxb8 Rxb8 12. Nge2 0-0 13. dxc5 Rc8 14. 0-0 Rxc5 15. Bxe4 dxe4 16. Qb3 Bxc3 17. Nxc3 Qe7 18. Rfd1 Rfc8 19. Rd4 b5 20. a4 a6 21. axb5 axb5 22. h3 Qe5 23. Qd1 Kg7 24. Ra6 Bg6 25. Rad6 R8c7 26. R4d5 Rxd5 27. Rxd5 Qe8 28. Qd4+ f6 29. Rxb5 Rd7 30. Rd5 Rxd5 31. Nxd5 Qd8 32. b4 Bf7 33. Nc3 Qxd4 34. exd4 f5 35. b5 Be6 36. b6 Bc8 37. Na4 Kf6 38. Nc5 h5 39. b7 Bxb7 40. Nxb7 Ke6 41. Nd8+ Kd5 42. Nf7 Kxd4 43. Nxg5 Kd3 44. Ne6 1-0

[Event "Dallas UTD-A"]
[Site "Dallas"]
[Date "2009.11.29"]
[Round "9"]
[White "Izoria, Zviad"]
[Black "Ludwig, Daniel"]
[Result "1/2-1/2"]
[ECO "D14"]
[WhiteElo "2589"]
[BlackElo "2461"]
[PlyCount "21"]
[EventDate "2009.11.21"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "10"]
[SourceTitle "CBM 133 Extra"]
[Source "ChessBase"]
[SourceDate "2010.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2010.01.05"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. cxd5 cxd5 5. Nc3 Nc6 6. Bf4 Bf5 7. e3 e6 8. Bb5 Bb4 9. 0-0 0-0 10. Bxc6 bxc6 11. Rc1 1/2-1/2

[Event "Dallas UTD-A"]
[Site "Dallas"]
[Date "2009.11.28"]
[Round "8"]
[White "Ludwig, Daniel"]
[Black "Wang, Puchen"]
[Result "1/2-1/2"]
[ECO "D16"]
[WhiteElo "2461"]
[BlackElo "2466"]
[PlyCount "130"]
[EventDate "2009.11.21"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "10"]
[SourceTitle "CBM 133 Extra"]
[Source "ChessBase"]
[SourceDate "2010.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2010.01.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Na6 6. e3 Bg4 7. Bxc4 e6 8. h3 Bh5 9. Qe2 Nb4 10. 0-0 Be7 11. Rd1 0-0 12. e4 Bxf3 13. gxf3 Qa5 14. Be3 Rad8 15. f4 Rfe8 16. Rd2 g6 17. Rad1 a6 18. Qf3 Rd7 19. Bb3 Red8 20. Kg2 Bf8 21. Qg3 Nh5 22. Qf3 Bg7 23. Ne2 c5 24. e5 cxd4 25. Rxd4 Rxd4 26. Rxd4 Rxd4 27. Nxd4 Nd3 28. Qe4 Nc5 29. Qc2 Qb4 30. Qc3 Qxc3 31. bxc3 g5 32. fxg5 Bxe5 33. Bc2 Nf4+ 34. Bxf4 Bxf4 35. h4 h6 36. gxh6 Bxh6 37. Kf3 Kg7 38. Ne2 f5 39. Kg3 Bd2 40. c4 Kf6 41. Nd4 Bh6 42. f4 Nd7 43. Nb3 Bf8 44. Bd1 e5 45. fxe5+ Nxe5 46. c5 Nc6 47. Bf3 Ke5 48. h5 Bh6 49. Bh1 Bg5 50. Bg2 Bh6 51. Bh1 Kf6 52. Bxc6 bxc6 53. Nd4 Be3 54. Nxc6 Bxc5 55. h6 Bd6+ 56. Kf3 Kg6 57. Nd4 Be5 58. Nc6 Bf6 59. Nb4 Be7 60. Nc6 Bf6 61. Nb4 Be5 62. Nc6 Bf6 63. Nb4 Be7 64. Nc6 Bf8 65. h7 Kxh7 1/2-1/2

[Event "Dallas UTD-A"]
[Site "Dallas"]
[Date "2009.11.27"]
[Round "7"]
[White "Ludwig, Daniel"]
[Black "Ramirez Alvarez, Alejandro"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "2461"]
[BlackElo "2547"]
[PlyCount "64"]
[EventDate "2009.11.21"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "10"]
[SourceTitle "CBM 133 Extra"]
[Source "ChessBase"]
[SourceDate "2010.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2010.01.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. f3 e6 6. e4 exd5 7. e5 Qe7 8. Qe2 Ng8 9. Nc3 Bb7 10. Nh3 Qd8 11. Nf4 d4 12. Ne4 Qa5+ 13. Bd2 Qxb5 14. Qf2 Qxb2 15. Rc1 Bxe4 16. fxe4 Nc6 17. Nd5 Rb8 18. Nc7+ Kd8 19. Nxa6 Nxe5 20. Qg3 f6 21. Nxb8 Qxb8 22. Bc4 Qb2 23. Bb3 Ke8 24. Bf4 g5 25. Bxg5 d3 26. Bd2 Bh6 27. Rd1 c4 28. 0-0 cxb3 29. Bxh6 Nxh6 30. axb3 Rg8 31. Qh3 Rg6 32. Rf2 Qd4 0-1

[Event "Dallas UTD-A"]
[Site "Dallas"]
[Date "2009.11.26"]
[Round "6"]
[White "Sadorra, Julio Catalino"]
[Black "Ludwig, Daniel"]
[Result "1-0"]
[ECO "D18"]
[WhiteElo "2478"]
[BlackElo "2461"]
[PlyCount "129"]
[EventDate "2009.11.21"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "10"]
[SourceTitle "CBM 133 Extra"]
[Source "ChessBase"]
[SourceDate "2010.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2010.01.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. a5 Bb4 8. Qa4 Qe7 9. Bxc4 0-0 10. 0-0 Nbd7 11. Be2 h6 12. h3 Rfd8 13. Rd1 Bd6 14. Bd2 Nd5 15. Be1 N7f6 16. Nd2 Rac8 17. Bf3 Bg6 18. Nc4 Bb8 19. Rac1 Nh7 20. g3 Ng5 21. Bg2 Nxc3 22. bxc3 Be4 23. Bxe4 Nxe4 24. Nd2 Nf6 25. Rb1 e5 26. Qb4 Qe6 27. Kg2 Rd7 28. dxe5 Bxe5 29. Nf3 Rcd8 30. Rxd7 Rxd7 31. Qb3 Qf5 32. Rd1 Rxd1 33. Qxd1 Bc7 34. Qb3 Qb5 35. Nd4 Qd5+ 36. Kg1 c5 37. c4 Qd7 38. Nb5 Bb8 39. Nc3 Be5 40. Nd5 Ne8 41. Kg2 Kf8 42. f4 Bf6 43. Qd3 Nc7 44. e4 Bd4 45. Bc3 Bxc3 46. Qxc3 f6 47. Qb3 Ne6 48. e5 fxe5 49. fxe5 Nd4 50. Qb1 Qa4 51. Qf1+ Ke8 52. h4 Qc2+ 53. Kh3 Qg6 54. Qf4 Kd7 55. Ne3 Ke7 56. Kg2 Nc6 57. h5 Qf7 58. Nd5+ Ke6 59. Qe3 Nxe5 60. Qe4 Kd6 61. Ne3 Nd7 62. Qxb7 Qxh5 63. g4 Qe5 64. Nf5+ Ke6 65. Qc6+ 1-0

[Event "Dallas UTD-A"]
[Site "Dallas"]
[Date "2009.11.25"]
[Round "5"]
[White "Ludwig, Daniel"]
[Black "Zivanic, Marko"]
[Result "1-0"]
[ECO "B67"]
[WhiteElo "2461"]
[BlackElo "2472"]
[PlyCount "85"]
[EventDate "2009.11.21"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "10"]
[SourceTitle "CBM 133 Extra"]
[Source "ChessBase"]
[SourceDate "2010.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2010.01.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bd7 6. Bg5 e6 7. Qd2 a6 8. f4 h6 9. Bxf6 Qxf6 10. 0-0-0 Nc6 11. Nf3 0-0-0 12. h4 Kb8 13. Kb1 g6 14. Qe3 Bc8 15. Qb6 Bg7 16. g3 Qe7 17. Bxa6 Bxc3 18. bxc3 Qc7 19. Qxc7+ Kxc7 20. Bc4 Bd7 21. Nd4 Ne7 22. Kb2 Ra8 23. Rh2 Bc6 24. Rhd2 d5 25. Bb3 Rad8 26. exd5 Nxd5 27. Bxd5 Rxd5 28. c4 Ra5 29. Nxc6 bxc6 30. Rd7+ Kb6 31. Rxf7 Rha8 32. Ra1 Ra3 33. c3 Kc5 34. Rf6 Kxc4 35. Rxe6 R3a6 36. a4 Rb6+ 37. Kc2 Rab8 38. Ra2 Kd5 39. Rxg6 Rb1 40. Kd3 Rg1 41. Re2 Kc5 42. Re5+ Kb6 43. Rb5+ 1-0

[Event "Dallas UTD-A"]
[Site "Dallas"]
[Date "2009.11.24"]
[Round "4"]
[White "Bercys, Salvijus"]
[Black "Ludwig, Daniel"]
[Result "1/2-1/2"]
[ECO "D12"]
[WhiteElo "2439"]
[BlackElo "2461"]
[PlyCount "40"]
[EventDate "2009.11.21"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "10"]
[SourceTitle "CBM 133 Extra"]
[Source "ChessBase"]
[SourceDate "2010.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2010.01.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Bg6 7. Be2 Nbd7 8. 0-0 Bd6 9. g3 0-0 10. Nxg6 hxg6 11. Bd2 dxc4 12. Bxc4 c5 13. Qf3 cxd4 14. exd4 Qb6 15. Be3 Rac8 16. Bb3 Qa6 17. Rad1 Nb6 18. Bg5 Nh7 19. Bc1 Nf6 20. Bg5 Nh7 1/2-1/2

[Event "Dallas UTD-A"]
[Site "Dallas"]
[Date "2009.11.23"]
[Round "3"]
[White "Ludwig, Daniel"]
[Black "Kacheishvili, Giorgi"]
[Result "1-0"]
[ECO "B14"]
[WhiteElo "2461"]
[BlackElo "2583"]
[PlyCount "105"]
[EventDate "2009.11.21"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "10"]
[SourceTitle "CBM 133 Extra"]
[Source "ChessBase"]
[SourceDate "2010.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2010.01.05"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 g6 6. cxd5 Nxd5 7. Bb5+ Bd7 8. Qb3 Nb6 9. Nf3 Bg7 10. Ne5 0-0 11. Nxd7 N8xd7 12. Be3 Nf6 13. 0-0 Nbd5 14. Bc4 Nxe3 15. fxe3 Rc8 16. Rad1 Bh6 17. e4 Ng4 18. Bxf7+ Kg7 19. Nd5 Rxf7 20. Rxf7+ Kxf7 21. Ne3+ Kf8 22. Nxg4 Rc1 23. Qd3 Rxd1+ 24. Qxd1 Bg7 25. e5 Qb6 26. b3 Qa5 27. Qc1 Qb6 28. Qc8+ Kf7 29. Qc4+ e6 30. Nf2 Bf8 31. Ne4 Be7 32. Kf2 Qa5 33. a4 a6 34. Qc3 Qd5 35. Nd2 Ke8 36. Qc4 Qa5 37. Ne4 Kd7 38. Nc3 Bb4 39. Ne2 Be7 40. Qc3 Qd5 41. Qf3 Qxf3+ 42. Kxf3 Kc6 43. Ke4 g5 44. Nc3 Bb4 45. d5+ exd5+ 46. Nxd5 Bf8 47. Nf6 h6 48. e6 Kd6 49. Kf5 Ke7 50. Ng8+ Ke8 51. Kg6 b5 52. axb5 axb5 53. Kf6 1-0

[Event "Dallas UTD-A"]
[Site "Dallas"]
[Date "2009.11.22"]
[Round "2"]
[White "Stopa, Jacek"]
[Black "Ludwig, Daniel"]
[Result "1/2-1/2"]
[ECO "B84"]
[WhiteElo "2493"]
[BlackElo "2461"]
[PlyCount "40"]
[EventDate "2009.11.21"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "10"]
[SourceTitle "CBM 133 Extra"]
[Source "ChessBase"]
[SourceDate "2010.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2010.01.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. 0-0 Qc7 8. a4 b6 9. f4 Bb7 10. Bf3 Nbd7 11. Kh1 Be7 12. Qe1 0-0 13. e5 Ne8 14. Qg3 Rc8 15. Be3 g6 16. Bxb7 Qxb7 17. Rad1 Ng7 18. exd6 Bxd6 19. Qf3 Qxf3 20. Nxf3 Bc5 1/2-1/2

[Event "Dallas UTD-A"]
[Site "Dallas"]
[Date "2009.11.21"]
[Round "1"]
[White "Ludwig, Daniel"]
[Black "Simutowe, Amon"]
[Result "1/2-1/2"]
[ECO "C09"]
[WhiteElo "2461"]
[BlackElo "2481"]
[PlyCount "59"]
[EventDate "2009.11.21"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "10"]
[SourceTitle "CBM 133 Extra"]
[Source "ChessBase"]
[SourceDate "2010.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2010.01.05"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 cxd4 7. Nxd4 Bd7 8. N2f3 Nf6 9. 0-0 Be7 10. c3 0-0 11. Be2 Re8 12. Be3 Qb8 13. h3 a6 14. Re1 Qc7 15. Rc1 Bd6 16. Bd3 Bf4 17. Bxf4 Rxe1+ 18. Qxe1 Qxf4 19. Rc2 Re8 20. Qc1 Qc7 21. Re2 Rxe2 22. Bxe2 Nxd4 23. Nxd4 Qe5 24. Bf3 h5 25. Qd2 g5 26. Bd1 g4 27. hxg4 hxg4 28. Qe3 Qxe3 29. fxe3 Kg7 30. Bc2 1/2-1/2

[Event "USA tt"]
[Site "ICC INT"]
[Date "2009.11.04"]
[Round "10"]
[White "Ludwig, Daniel"]
[Black "Wolff, Patrick G"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "2461"]
[BlackElo "2564"]
[PlyCount "111"]
[EventDate "2009.08.31"]
[EventType "team (rapid)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 d6 2. c4 e5 3. Nf3 e4 4. Ng5 f5 5. Nc3 c6 6. f3 Be7 7. Nh3 Nf6 8. Bg5 0-0 9. Nf4 Na6 10. e3 Re8 11. Bxf6 Bxf6 12. fxe4 Bg5 13. g3 Bxf4 14. gxf4 Qh4+ 15. Kd2 fxe4 16. Qe1 Qf6 17. Qg3 c5 18. d5 Nc7 19. Qg5 Qxg5 20. fxg5 Re5 21. h4 b5 22. b3 bxc4 23. bxc4 Rb8 24. Kc2 Ba6 25. a3 Na8 26. Na4 Rf5 27. Kc3 Rf2 28. Rg1 Nc7 29. Rg4 Bc8 30. Rg2 Rf3 31. Re1 Bd7 32. Nb2 Rh3 33. Rf2 Rxh4 34. Rf4 Rh2 35. Re2 Rxe2 36. Bxe2 Re8 37. Nd1 Re5 38. Nf2 Rxg5 39. Nxe4 Re5 40. Nxd6 Rxe3+ 41. Kd2 Re7 42. Bd3 g5 43. Rf1 Ne8 44. Ne4 Rxe4 45. Bxe4 Nd6 46. Kd3 Kg7 47. Rb1 h5 48. Rb8 Bh3 49. Rd8 Bf1+ 50. Ke3 Nxc4+ 51. Kf2 Nd2 52. d6 Bb5 53. Bf5 Kf6 54. d7 Bxd7 55. Rxd7 Nc4 56. Bd3 1-0

[Event "USA tt"]
[Site "ICC INT"]
[Date "2009.10.26"]
[Round "9"]
[White "Felecan, Florin"]
[Black "Ludwig, Daniel"]
[Result "1/2-1/2"]
[ECO "B95"]
[WhiteElo "2399"]
[BlackElo "2461"]
[PlyCount "60"]
[EventDate "2009.08.31"]
[EventType "team (rapid)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Bc4 Be7 8. Qf3 Nbd7 9. Bb3 h6 10. Bxf6 Nxf6 11. 0-0-0 Qc7 12. Kb1 b5 13. e5 Bb7 14. Qg3 dxe5 15. Nxe6 fxe6 16. Qg6+ Kf8 17. Bxe6 Bb4 18. Rd7 Qxd7 19. Bxd7 Nxd7 20. Ne4 Rd8 21. Rd1 Be7 22. Nd6 Bxd6 23. Rxd6 Bc8 24. g4 Re8 25. h4 Nf6 26. Rxf6+ gxf6 27. Qxf6+ Kg8 28. Qg6+ Kf8 29. Qf6+ Kg8 30. Qg6+ Kf8 1/2-1/2

[Event "USA tt"]
[Site "ICC INT"]
[Date "2009.10.19"]
[Round "8"]
[White "Lopez, Bruci"]
[Black "Ludwig, Daniel"]
[Result "1/2-1/2"]
[ECO "B86"]
[WhiteElo "2414"]
[BlackElo "2461"]
[PlyCount "75"]
[EventDate "2009.08.31"]
[EventType "team (rapid)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Nbd7 8. f4 Nc5 9. f5 Be7 10. Qf3 0-0 11. 0-0 Bd7 12. g4 e5 13. Nde2 Bc6 14. Ng3 Nxb3 15. axb3 d5 16. g5 Nxe4 17. Ngxe4 dxe4 18. Qg3 f6 19. gxf6 Bxf6 20. Be3 Qe7 21. Qg4 Qb4 22. Rae1 Rad8 23. Rf2 Kh8 24. Rg2 Rf7 25. Rg3 Qe7 26. Rf1 Rg8 27. Nxe4 Bxe4 28. Qxe4 Qd7 29. Qg4 e4 30. Qg6 Rgf8 31. Rh3 h6 32. Kh1 Be5 33. Bxh6 gxh6 34. Qxh6+ Kg8 35. Rg1+ Rg7 36. Qh7+ Kf7 37. Rxg7+ Bxg7 38. Qg6+ 1/2-1/2

[Event "USA tt"]
[Site "ICC INT"]
[Date "2009.10.05"]
[Round "6"]
[White "Ehlvest, Jaan"]
[Black "Ludwig, Daniel"]
[Result "1/2-1/2"]
[ECO "B81"]
[WhiteElo "2614"]
[BlackElo "2461"]
[PlyCount "97"]
[EventDate "2009.08.31"]
[EventType "team (rapid)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. g4 e5 8. Nf5 h5 9. g5 Nxe4 10. Nxg7+ Bxg7 11. Nxe4 d5 12. Ng3 d4 13. Bd2 Qd5 14. c4 Qc6 15. Bd3 Bg4 16. Qc2 Bf3 17. Be4 Bxe4 18. Nxe4 Nd7 19. 0-0-0 0-0-0 20. Kb1 Kb8 21. Bb4 Bf8 22. Bxf8 Rhxf8 23. Rhe1 f5 24. gxf6 Nxf6 25. Nxf6 Qxf6 26. Rd2 Qf4 27. h3 Qh2 28. Qe4 Rde8 29. Qh4 Qf4 30. Qxf4 Rxf4 31. Kc2 Rh4 32. Rd3 Kc7 33. Kd2 Kd6 34. Rg1 Re7 35. b4 Rf7 36. Rg6+ Kc7 37. Rg2 Rd7 38. Rg5 e4 39. Rdg3 Rf4 40. Ke1 d3 41. Rg7 d2+ 42. Kd1 Rxf2 43. Rxd7+ Kxd7 44. Re3 Rh2 45. Rxe4 Rxh3 46. Kxd2 Rh2+ 47. Kc3 Rxa2 48. Rh4 Ra3+ 49. Kb2 1/2-1/2

[Event "USA tt"]
[Site "ICC INT"]
[Date "2009.09.21"]
[Round "4"]
[White "Mikhailuk, Slava"]
[Black "Ludwig, Daniel"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2436"]
[BlackElo "2461"]
[PlyCount "85"]
[EventDate "2009.08.31"]
[EventType "team (rapid)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. Qc2 Bg4 5. Ne5 Bh5 6. Bg2 e6 7. d4 Nbd7 8. 0-0 Bd6 9. f4 0-0 10. c5 Be7 11. Nc3 Qc7 12. Be3 Ng4 13. Nxg4 Bxg4 14. Bf2 Bf5 15. e4 dxe4 16. Nxe4 Nf6 17. Nxf6+ Bxf6 18. Qe2 Rfd8 19. Rad1 Bg6 20. b4 Rd7 21. Rd2 Rad8 22. Rfd1 b5 23. Qf3 Rd5 24. Qe3 Qd7 25. g4 a5 26. bxa5 Ra8 27. Qb3 h5 28. Bxd5 exd5 29. f5 Bh7 30. h3 hxg4 31. hxg4 Rxa5 32. Qh3 g6 33. Bh4 Ra3 34. Qxa3 Bxh4 35. Rh2 Qe7 36. Qh3 g5 37. Qf3 Qc7 38. Rxh4 gxh4 39. Re1 f6 40. Re8+ Kg7 41. Qe3 Qg3+ 42. Qxg3 hxg3 43. Kg2 1-0

[Event "USA tt"]
[Site "ICC INT"]
[Date "2009.09.14"]
[Round "3"]
[White "Sammour Hasbun, Jorge E"]
[Black "Ludwig, Daniel"]
[Result "0-1"]
[ECO "B99"]
[WhiteElo "2463"]
[BlackElo "2461"]
[PlyCount "104"]
[EventDate "2009.08.31"]
[EventType "team (rapid)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 h6 9. Bh4 Nbd7 10. 0-0-0 Qc7 11. Be2 0-0 12. Qg3 Nc5 13. Bf3 e5 14. Nf5 Bxf5 15. exf5 Rac8 16. Kb1 Na4 17. Nxa4 Qxc2+ 18. Ka1 e4 19. Nb6 Rc6 20. Nd7 Rfc8 21. a3 Nxd7 22. Bxe7 Rb6 23. Rb1 exf3 24. f6 Qxg2 25. Rhg1 Qxg3 26. Rxg3 g6 27. Rxf3 d5 28. f5 g5 29. Rg1 Kh7 30. h4 Rg8 31. hxg5 Rxg5 32. Rxg5 hxg5 33. Rh3+ Kg8 34. Rh6 Rc6 35. Ka2 g4 36. Kb3 d4 37. Rh4 Nxf6 38. Bxf6 Rxf6 39. Rxg4+ Kh7 40. Rh4+ Kg7 41. Rxd4 Rxf5 42. Rd7 Rb5+ 43. Kc3 Kf6 44. b4 Ke6 45. Rc7 f5 46. Rh7 Ke5 47. Kc4 f4 48. a4 Rb6 49. b5 axb5+ 50. axb5 f3 51. Kc5 Rf6 52. Re7+ Kf4 0-1

[Event "USA tt"]
[Site "ICC INT"]
[Date "2009.09.08"]
[Round "2"]
[White "Ludwig, Daniel"]
[Black "Kraai, Jesse"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "2461"]
[BlackElo "2498"]
[PlyCount "37"]
[EventDate "2009.08.31"]
[EventType "team (rapid)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. 0-0 Nc6 8. Nb3 Nf6 9. Nbxd4 Nxd4 10. Nxd4 Bd7 11. b3 Be7 12. a4 a6 13. Re1 Qc7 14. Qf3 0-0 15. Nf5 Bc6 16. Qg3 Qxg3 17. Nxe7+ Kh8 18. hxg3 Be4 19. Bb2 1-0

[Event "USA tt"]
[Site "ICC INT"]
[Date "2009.08.31"]
[Round "1"]
[White "Ludwig, Daniel"]
[Black "Lopez, Bruci"]
[Result "0-1"]
[ECO "E81"]
[WhiteElo "2461"]
[BlackElo "2414"]
[PlyCount "132"]
[EventDate "2009.08.31"]
[EventType "team (rapid)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Nge2 Nbd7 7. Be3 c5 8. Qd2 Qa5 9. d5 a6 10. Nc1 Rb8 11. Nb3 Qb4 12. Qc2 Ne5 13. a3 Qb6 14. Be2 e6 15. 0-0 exd5 16. cxd5 Qc7 17. a4 Bd7 18. h3 b5 19. Nd2 Rfe8 20. Rfe1 b4 21. Nd1 Bc8 22. Rc1 Ned7 23. b3 Nh5 24. Nc4 Ne5 25. f4 Nxc4 26. Qxc4 Ng3 27. Bf3 h5 28. Nf2 Bc3 29. Red1 Nf5 30. exf5 Rxe3 31. fxg6 fxg6 32. Ne4 Bxh3 33. Kf2 Rxf3+ 34. gxf3 Qe7 35. Kg3 Bf5 36. Nxc3 bxc3 37. Re1 h4+ 38. Kf2 Qh7 39. Qxc3 Rf8 40. Qe3 Qh6 41. Rh1 Bd7 42. Rc4 Qh8 43. Qd2 Qh5 44. Re4 h3 45. Kg3 g5 46. Rg1 Bf5 47. Ree1 Bg6 48. Kh2 Rxf4 49. Re8+ Kg7 50. Re3 Rd4 51. Re7+ Kh6 52. Qe3 Rd3 53. Qe1 Qxf3 54. Rg3 Qxd5 55. Ree3 Rd2+ 56. Re2 Rd3 57. Rxd3 Qxd3 58. Re3 Qc2+ 59. Kxh3 d5 60. Kg3 Be4 61. Qf1 Kg7 62. Kg4 Qh2 63. Rh3 Qe5 64. Rg3 c4 65. bxc4 Kg6 66. Kh3 Qh8+ 0-1

[Event "Budapest FS02 GM"]
[Site "Budapest"]
[Date "2009.02.17"]
[Round "11"]
[White "Nguyen, Huynh Minh Huy"]
[Black "Ludwig, Daniel"]
[Result "1/2-1/2"]
[ECO "D14"]
[WhiteElo "2465"]
[BlackElo "2421"]
[PlyCount "21"]
[EventDate "2009.02.07"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "HUN"]
[EventCategory "8"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. cxd5 cxd5 5. Bf4 Nc6 6. e3 Bf5 7. Nf3 e6 8. Bd3 Bxd3 9. Qxd3 Be7 10. 0-0 0-0 11. Rfc1 1/2-1/2

[Event "Budapest FS02 GM"]
[Site "Budapest"]
[Date "2009.02.16"]
[Round "10"]
[White "Ludwig, Daniel"]
[Black "Duong, The Anh"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2421"]
[BlackElo "2418"]
[PlyCount "71"]
[EventDate "2009.02.07"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "HUN"]
[EventCategory "8"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. d4 b6 2. e4 Bb7 3. Bd3 Nf6 4. Nd2 e6 5. Ngf3 c5 6. e5 Nd5 7. dxc5 Bxc5 8. c4 Nf4 9. Be4 Nc6 10. 0-0 Ng6 11. a3 Qc7 12. b4 Be7 13. Bb2 0-0 14. Re1 f5 15. exf6 Bxf6 16. Bxg6 hxg6 17. Qc2 Ne7 18. Rad1 Rac8 19. Be5 Bxe5 20. Nxe5 Rf5 21. Qb2 Rcf8 22. f3 d6 23. Ng4 e5 24. Nf2 g5 25. Nde4 Rd8 26. Qd2 Ng6 27. c5 bxc5 28. bxc5 Bxe4 29. cxd6 Qb6 30. Rxe4 Nf4 31. Rb4 Qa6 32. Qa2+ Kh8 33. Qc2 Ne2+ 34. Kh1 Rf4 35. Qc7 Rc8 36. d7 1-0

[Event "Budapest FS02 GM"]
[Site "Budapest"]
[Date "2009.02.15"]
[Round "9"]
[White "Ilincic, Zlatko"]
[Black "Ludwig, Daniel"]
[Result "0-1"]
[ECO "D12"]
[WhiteElo "2555"]
[BlackElo "2421"]
[PlyCount "128"]
[EventDate "2009.02.07"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "HUN"]
[EventCategory "8"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Bg6 7. a3 Nbd7 8. g3 Be7 9. b3 Bh5 10. Be2 Bxe2 11. Qxe2 0-0 12. Bb2 Qb6 13. Qc2 c5 14. cxd5 cxd4 15. exd4 Rac8 16. dxe6 Qxe6+ 17. Qe2 Qxb3 18. 0-0 Rfe8 19. Rfc1 Nb6 20. Nd1 Rxc1 21. Bxc1 Bxa3 22. Rxa3 Rxe2 23. Rxb3 Re1+ 24. Kg2 Rxd1 25. Ba3 Rxd4 26. Bc5 Rd7 27. Bxb6 axb6 28. Rxb6 Kf8 29. Kf3 Nd5 30. Rb3 g6 31. Ng2 Ke7 32. Ne3 Nxe3 33. Kxe3 Kd6 34. Rb1 Kc7 35. Rc1+ Kb8 36. Rb1 Rd6 37. g4 b6 38. h4 Kb7 39. f4 Re6+ 40. Kf3 Re7 41. h5 Kc6 42. Rc1+ Kd5 43. Rd1+ Kc4 44. Rc1+ Kd3 45. Rd1+ Kc2 46. Rd8 gxh5 47. gxh5 Rb7 48. Rh8 b5 49. Rxh7 b4 50. Rg7 b3 51. Rg2+ Kd3 52. h6 f5 53. Rg7 Rb8 54. Rd7+ Kc4 55. Rc7+ Kb4 56. Rc1 b2 57. Rh1 Kc3 58. h7 Rh8 59. Ke3 Kc4 60. Rb1 Rxh7 61. Rxb2 Rh3+ 62. Kd2 Rh2+ 63. Kc1 Rxb2 64. Kxb2 Kd3 0-1

[Event "Budapest FS02 GM"]
[Site "Budapest"]
[Date "2009.02.14"]
[Round "8"]
[White "Ludwig, Daniel"]
[Black "Konnyu, Janos"]
[Result "1-0"]
[ECO "E84"]
[WhiteElo "2421"]
[BlackElo "2405"]
[PlyCount "83"]
[EventDate "2009.02.07"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "HUN"]
[EventCategory "8"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Nge2 Nc6 7. Be3 a6 8. Qd2 Rb8 9. Nc1 e5 10. d5 Nd4 11. Nb3 c5 12. dxc6 bxc6 13. Nxd4 exd4 14. Bxd4 Qa5 15. Rc1 Be6 16. b3 Qb4 17. Be2 a5 18. Rc2 Rfd8 19. Na4 Nd7 20. Qxb4 axb4 21. Be3 c5 22. Kf2 Ne5 23. Rd1 Nc6 24. Rcd2 Nd4 25. Bd3 Kf8 26. Bb1 Ke7 27. Nb2 Kd7 28. Nd3 Kc6 29. Nf4 Kc7 30. Ne2 Nc6 31. h3 Ra8 32. g4 f6 33. Nf4 Bf7 34. h4 Ne5 35. g5 Kc6 36. Kg3 Ra3 37. Nd5 Bxd5 38. Rxd5 fxg5 39. hxg5 Nxc4 40. Bxc5 Be5+ 41. Kf2 Ra5 42. Bd4 1-0

[Event "Budapest FS02 GM"]
[Site "Budapest"]
[Date "2009.02.13"]
[Round "7"]
[White "Banusz, Tamas"]
[Black "Ludwig, Daniel"]
[Result "1/2-1/2"]
[ECO "E13"]
[WhiteElo "2501"]
[BlackElo "2421"]
[PlyCount "48"]
[EventDate "2009.02.07"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "HUN"]
[EventCategory "8"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Bg5 Bb7 6. Nd2 h6 7. Bh4 d5 8. cxd5 exd5 9. e3 0-0 10. Bd3 Be7 11. 0-0 Nbd7 12. f4 c5 13. Qf3 Re8 14. Rad1 Ne4 15. Be1 Nxd2 16. Rxd2 Nf6 17. Bb5 Rf8 18. dxc5 Bxc5 19. Ne2 Ne4 20. Rd1 Nd6 21. Bd3 Re8 22. Nd4 Bxd4 23. exd4 Qf6 24. Bf2 Re7 1/2-1/2

[Event "Budapest FS02 GM"]
[Site "Budapest"]
[Date "2009.02.12"]
[Round "6"]
[White "Ludwig, Daniel"]
[Black "Kosic, Dragan"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2421"]
[BlackElo "2521"]
[PlyCount "189"]
[EventDate "2009.02.07"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "HUN"]
[EventCategory "8"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. d4 e6 2. c4 Bb4+ 3. Bd2 Bxd2+ 4. Qxd2 Nf6 5. Nc3 d5 6. Nf3 0-0 7. e3 Qe7 8. cxd5 exd5 9. Be2 Rd8 10. Ne5 c5 11. Rc1 cxd4 12. Qxd4 Nc6 13. Nxc6 bxc6 14. Na4 Rb8 15. a3 Rd6 16. 0-0 Ne4 17. Nc5 Ng5 18. b4 Ra8 19. h4 Ne6 20. Nxe6 Rxe6 21. Bf3 Rh6 22. g3 Bh3 23. Rfe1 Rf6 24. Bh1 a5 25. e4 Re6 26. b5 dxe4 27. bxc6 f5 28. c7 Rc8 29. Red1 Qf7 30. Qd8+ Re8 31. Qxc8 Rxc8 32. Rd8+ Qf8 33. Rxf8+ Kxf8 34. f3 f4 35. fxe4 fxg3 36. Rc3 g2 37. Bxg2 Bxg2 38. Kxg2 Ke7 39. Rc5 Kd6 40. Rxa5 Rxc7 41. Kf3 Rc1 42. a4 Rf1+ 43. Ke3 Re1+ 44. Kd3 Rd1+ 45. Ke2 Rh1 46. Rh5 h6 47. Rd5+ Kc7 48. h5 Rh3 49. a5 Ra3 50. Kd2 Rh3 51. Rf5 Ra3 52. Ke2 Kd6 53. Rd5+ Kc6 54. Kf2 Rh3 55. a6 Ra3 56. Kg2 Rxa6 57. Kf3 Kc7 58. Kf4 g6 59. hxg6 Rxg6 60. e5 h5 61. Kf5 Rg1 62. e6 h4 63. Rd7+ Kc6 64. Rd3 h3 65. Re3 h2 66. e7 Rg8 67. Re1 Kd7 68. Kf6 Rh8 69. Rd1+ Kc7 70. Kg7 h1Q 71. Rxh1 Rxh1 72. e8Q Rg1+ 73. Kf6 Rf1+ 74. Kg5 Rg1+ 75. Kf4 Rf1+ 76. Kg3 Rg1+ 77. Kf2 Rd1 78. Ke2 Rd8 79. Qb5 Rd6 80. Ke3 Rb6 81. Qc5+ Rc6 82. Qa7+ Kd6 83. Kd4 Ke6 84. Qg7 Rd6+ 85. Ke4 Rc6 86. Qg6+ Kd7 87. Qf7+ Kd6 88. Kd4 Rb6 89. Qf6+ Kc7 90. Qe7+ Kb8 91. Kc5 Rb7 92. Qd8+ Ka7 93. Kc6 Rf7 94. Qd4+ Kb8 95. Qb2+ 1-0

[Event "Budapest FS02 GM"]
[Site "Budapest"]
[Date "2009.02.10"]
[Round "4"]
[White "Wittmann, Walter"]
[Black "Ludwig, Daniel"]
[Result "0-1"]
[ECO "B73"]
[WhiteElo "2269"]
[BlackElo "2421"]
[PlyCount "58"]
[EventDate "2009.02.07"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "HUN"]
[EventCategory "8"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Nc3 a6 4. a4 Nc6 5. d4 cxd4 6. Nxd4 Nf6 7. Be2 g6 8. Be3 Bg7 9. 0-0 0-0 10. f4 Bd7 11. Qd2 Rc8 12. Nxc6 Bxc6 13. Bf3 Nd7 14. Bd4 e5 15. Bf2 exf4 16. Qxd6 Ne5 17. Qxd8 Rfxd8 18. Be2 Rd2 19. Bd1 Nc4 20. Be1 Rd6 21. Bg4 Re8 22. Be2 Nxb2 23. Ra2 Bxc3 24. Bxc3 Nxa4 25. Bb4 Rd4 26. c3 Rxb4 27. cxb4 Nc3 28. Rc2 Nxe2+ 29. Rxe2 Bb5 0-1

[Event "Budapest FS02 GM"]
[Site "Budapest"]
[Date "2009.02.09"]
[Round "3"]
[White "Ludwig, Daniel"]
[Black "Farago, Ivan"]
[Result "1/2-1/2"]
[ECO "E36"]
[WhiteElo "2421"]
[BlackElo "2482"]
[PlyCount "35"]
[EventDate "2009.02.07"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "HUN"]
[EventCategory "8"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 dxc4 7. Qxc4 b6 8. Nf3 0-0 9. g3 Ba6 10. Qc2 Bb7 11. Bg2 Nbd7 12. 0-0 Be4 13. Qa4 c5 14. Rd1 Qe7 15. Bg5 h6 16. Bxf6 Nxf6 17. dxc5 bxc5 18. Rac1 1/2-1/2

[Event "Budapest FS02 GM"]
[Site "Budapest"]
[Date "2009.02.08"]
[Round "2"]
[White "Paschall, William M"]
[Black "Ludwig, Daniel"]
[Result "1/2-1/2"]
[ECO "B14"]
[WhiteElo "2354"]
[BlackElo "2421"]
[PlyCount "73"]
[EventDate "2009.02.07"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "HUN"]
[EventCategory "8"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. c4 c6 2. e4 d5 3. exd5 cxd5 4. cxd5 Nf6 5. Nc3 g6 6. Bb5+ Nbd7 7. d4 Bg7 8. d6 e6 9. Nf3 0-0 10. 0-0 a6 11. Bd3 b5 12. Re1 Bb7 13. Bf4 Qb6 14. Ne4 Nxe4 15. Bxe4 Bxe4 16. Rxe4 Nf6 17. Re2 Rfd8 18. Rc1 Nd5 19. Be5 Bf8 20. Rec2 Bxd6 21. Rc6 Qb8 22. Qd2 Bxe5 23. dxe5 Ne7 24. Rd6 Nf5 25. Rd7 Rxd7 26. Qxd7 Qd8 27. Rc7 Qxd7 28. Rxd7 h5 29. h4 Rc8 30. g3 Rc2 31. Ng5 Nh6 32. Ne4 Rxb2 33. Nf6+ Kg7 34. Rd8 Rxa2 35. Ne8+ Kf8 36. Nf6+ Kg7 37. Ne8+ 1/2-1/2

[Event "Budapest FS02 GM"]
[Site "Budapest"]
[Date "2009.02.07"]
[Round "1"]
[White "Ludwig, Daniel"]
[Black "Szalanczy, Emil"]
[Result "1/2-1/2"]
[ECO "A43"]
[WhiteElo "2421"]
[BlackElo "2336"]
[PlyCount "77"]
[EventDate "2009.02.07"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "HUN"]
[EventCategory "8"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. d4 c5 2. d5 e6 3. e4 exd5 4. exd5 d6 5. Nf3 Nf6 6. Nc3 Be7 7. Be2 0-0 8. 0-0 Re8 9. h3 Na6 10. Re1 Bf8 11. Bg5 h6 12. Bh4 Bf5 13. Qd2 Bh7 14. a3 Nc7 15. Bd3 g5 16. Bg3 Qd7 17. b4 b6 18. Rab1 Rxe1+ 19. Rxe1 Re8 20. Rb1 Rd8 21. a4 Nce8 22. a5 Bxd3 23. Qxd3 Rc8 24. bxc5 Rxc5 25. axb6 axb6 26. Nd2 Qc8 27. Rb3 Qa8 28. Nc4 Nxd5 29. Ne4 Rc8 30. Nxb6 Nxb6 31. Rxb6 Qa2 32. c3 Qe6 33. Nd2 Bg7 34. c4 Qe1+ 35. Kh2 Be5 36. Ne4 Bxg3+ 37. fxg3 Qa5 38. Rb5 Qc7 39. c5 1/2-1/2

[Event "Washington Eastern op 35rd"]
[Site "Washington DC"]
[Date "2008.12.30"]
[Round "7"]
[White "Kudrin, Sergey"]
[Black "Ludwig, Daniel"]
[Result "1/2-1/2"]
[ECO "B81"]
[WhiteElo "2553"]
[BlackElo "2400"]
[PlyCount "120"]
[EventDate "2008.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. g4 h6 7. h3 Nc6 8. Be3 a6 9. Bg2 Ne5 10. Qe2 g5 11. 0-0-0 Qc7 12. f4 gxf4 13. Bxf4 b5 14. Qf2 Nfd7 15. Kb1 Bb7 16. Nce2 0-0-0 17. Ng3 Kb8 18. b3 Be7 19. Qd2 Rdg8 20. Nh5 Rg6 21. Ne2 Rc8 22. Rhf1 Ka8 23. Be3 Nf6 24. Nxf6 Bxf6 25. Nf4 Bg5 26. Nxg6 Bxe3 27. Qxe3 Qxc2+ 28. Ka1 Qxg2 29. Rf2 Nxg4 30. hxg4 Qxg4 31. Rxd6 Qxg6 32. Kb2 h5 33. Rd7 Qxe4 34. Qxe4 Bxe4 35. Rdxf7 Bf5 36. Ka3 a5 37. Rd2 h4 38. Rdd7 Rh8 39. Ra7+ Kb8 40. Rfb7+ Kc8 41. Rc7+ Kb8 42. Rcb7+ Kc8 43. b4 Be4 44. Ra8+ Kxb7 45. Rxh8 a4 46. Rxh4 Bd5 47. Kb2 Kc6 48. a3 Bc4 49. Kc3 e5 50. Kd2 Kd5 51. Ke3 Ba2 52. Rg4 Bb3 53. Rg8 Ke6 54. Rc8 Bc4 55. Rc6+ Kf5 56. Rc5 Bf1 57. Rc2 Bc4 58. Rd2 Bb3 59. Rd6 Ba2 60. Rd8 Bb3 1/2-1/2

[Event "Washington Eastern op 35rd"]
[Site "Washington DC"]
[Date "2008.12.29"]
[Round "5"]
[White "Hu, Zhiya"]
[Black "Ludwig, Daniel"]
[Result "0-1"]
[ECO "B99"]
[WhiteElo "2253"]
[BlackElo "2400"]
[PlyCount "92"]
[EventDate "2008.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bg5 Be7 7. f4 a6 8. Qf3 h6 9. Bh4 Nbd7 10. 0-0-0 Qc7 11. Bd3 g5 12. fxg5 Ne5 13. Qe2 Nfg4 14. Nf3 hxg5 15. Bxg5 Bxg5+ 16. Nxg5 Qc5 17. Nh3 Bd7 18. Rde1 0-0-0 19. Kb1 Rdg8 20. Nd1 Qd4 21. Qf1 Bc6 22. Qg1 Qc5 23. Nc3 Rh4 24. Ne2 Qxg1 25. Rexg1 Ne3 26. Nhf4 N5g4 27. g3 Rxh2 28. Rxh2 Nxh2 29. Rh1 Nf3 30. Kc1 e5 31. Nh3 Kd7 32. Nf2 Ke7 33. Rh3 Ng4 34. Nxg4 Rxg4 35. Nc3 Ng1 36. Rh8 Rxg3 37. Rb8 Nf3 38. b4 Ne1 39. Kd2 Nxd3 40. cxd3 Rg2+ 41. Kc1 f5 42. a4 fxe4 43. b5 axb5 44. axb5 exd3 45. bxc6 bxc6 46. Rb3 d5 0-1

[Event "Washington Eastern op 35rd"]
[Site "Washington DC"]
[Date "2008.12.29"]
[Round "6"]
[White "Ludwig, Daniel"]
[Black "Robson, Ray"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "2400"]
[BlackElo "2466"]
[PlyCount "117"]
[EventDate "2008.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Qc2 Bd6 7. g4 Bb4 8. Bd2 b6 9. cxd5 cxd5 10. Rc1 Bb7 11. Nb5 Bxd2+ 12. Nxd2 0-0 13. Nd6 Rb8 14. Nxb7 Rxb7 15. Qc6 Rb8 16. g5 Ne4 17. Nxe4 dxe4 18. Bb5 a6 19. Qxd7 axb5 20. Qxd8 Rfxd8 21. Ke2 Ra8 22. a3 b4 23. axb4 Ra4 24. Rc4 g6 25. Rg1 Rd5 26. Rg4 Ra2 27. Rc2 Rb5 28. Kd2 Rxb4 29. Kc3 Rb5 30. h4 Ra4 31. b3 Ra3 32. Rb2 Kf8 33. Rxe4 Ke7 34. Re5 Rxe5 35. dxe5 Ra8 36. f4 Kd7 37. h5 Rc8+ 38. Kb4 Kc6 39. h6 Rb8 40. Kc4 Rc8 41. Kd4 Rd8+ 42. Ke4 Rd1 43. Rc2+ Kb7 44. Rc3 Rb1 45. Rd3 Kc7 46. Kd4 Re1 47. Rc3+ Kb7 48. Kc4 Rd1 49. Rd3 b5+ 50. Kc3 Rxd3+ 51. Kxd3 Kc6 52. Kd4 Kb6 53. Kc3 Kc5 54. e4 Kc6 55. Kb4 Kb6 56. f5 Kc6 57. Ka5 Kc5 58. b4+ Kc4 59. f6 1-0

[Event "Washington Eastern op 35rd"]
[Site "Washington DC"]
[Date "2008.12.28"]
[Round "4"]
[White "Ivanov, Alexander"]
[Black "Ludwig, Daniel"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "2547"]
[BlackElo "2400"]
[PlyCount "103"]
[EventDate "2008.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e6 7. Bg2 Be7 8. 0-0 0-0 9. Be3 Qc7 10. g4 Nc6 11. g5 Nd7 12. f4 Nb6 13. Kh1 Nc4 14. Bc1 Nxd4 15. Qxd4 f6 16. b3 Na5 17. h4 Bd7 18. Bb2 Rac8 19. Rad1 Nc6 20. Qd2 b5 21. Ne2 Nd8 22. gxf6 gxf6 23. Bc3 Nf7 24. Rc1 Kh8 25. Bb2 Rg8 26. Bf3 e5 27. Bh5 Rg7 28. Rg1 Rcg8 29. Rxg7 Rxg7 30. Rg1 Qc5 31. Rxg7 Kxg7 32. Nc3 Bc6 33. Nd5 Bxd5 34. Qxd5 Qxd5 35. exd5 Nh6 36. Bc3 Nf5 37. Bg4 Ne3 38. Bc8 Bd8 39. Bxa6 Nxd5 40. Bd2 b4 41. Bb7 Nc3 42. a3 Ba5 43. Bxc3 bxc3 44. f5 Kf7 45. Kg2 Ke7 46. Kf3 Kd7 47. Ke2 Bb6 48. b4 Bg1 49. Bf3 Kc7 50. a4 Kb6 51. h5 h6 52. Kd3 1-0

[Event "Washington Eastern op 35rd"]
[Site "Washington DC"]
[Date "2008.12.28"]
[Round "3"]
[White "Ludwig, Daniel"]
[Black "Betaneli, Aleksandr"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2400"]
[BlackElo "2318"]
[PlyCount "71"]
[EventDate "2008.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bf4 c5 6. dxc5 Na6 7. e3 Nxc5 8. cxd5 exd5 9. Be2 0-0 10. 0-0 Be6 11. Rc1 Rc8 12. Qd4 a6 13. Nd2 Bf5 14. Bg3 Nce4 15. Ndxe4 dxe4 16. Qa7 b5 17. Qxa6 Qd2 18. Rfd1 Qxb2 19. Qxb5 Qa3 20. Qxf5 Rxc3 21. Rxc3 Qxc3 22. Qb5 Qc2 23. a4 Rc8 24. Kf1 Qc5 25. Qxc5 Rxc5 26. Ra1 Bd8 27. Bd6 Rf5 28. Rc1 Rd5 29. Bb4 h5 30. Rd1 Rxd1+ 31. Bxd1 Nd5 32. Bd2 g6 33. a5 Nc7 34. Be2 Kf8 35. a6 Ke7 36. a7 1-0

[Event "Washington Eastern op 35rd"]
[Site "Washington DC"]
[Date "2008.12.27"]
[Round "1"]
[White "Ludwig, Daniel"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "2400"]
[BlackElo "2113"]
[PlyCount "45"]
[EventDate "2008.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 Be7 7. Bd3 dxc4 8. Bxc4 a6 9. e4 c5 10. e5 Nd5 11. Bxd5 exd5 12. 0-0 cxd4 13. Nxd5 0-0 14. Bf4 Nb6 15. Nxe7+ Qxe7 16. Rad1 Be6 17. Rxd4 Rac8 18. Qb1 h6 19. Bd2 Rfd8 20. Bb4 Qe8 21. Rfd1 Rxd4 22. Nxd4 Rd8 23. Ba5 1-0

[Event "Washington Eastern op 35rd"]
[Site "Washington DC"]
[Date "2008.12.27"]
[Round "2"]
[White "Shen, Victor C"]
[Black "Ludwig, Daniel"]
[Result "0-1"]
[ECO "B93"]
[WhiteElo "2123"]
[BlackElo "2400"]
[PlyCount "66"]
[EventDate "2008.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 g6 7. Be2 Bg7 8. 0-0 0-0 9. Be3 Nc6 10. f4 Bd7 11. Bf3 Rc8 12. Kh1 Na5 13. Bc1 Qb6 14. Nde2 Nc4 15. Qd3 Ng4 16. Nd5 Nf2+ 17. Rxf2 Qxf2 18. Nxe7+ Kh8 19. Nxc8 Rxc8 20. h3 b5 21. Bd2 Nxb2 22. Qxd6 Bxh3 23. Qxa6 Nc4 24. f5 Rg8 25. f6 Nxd2 26. fxg7+ Kxg7 27. Ng1 Nxf3 28. Nxf3 Qg3 29. gxh3 Qxh3+ 30. Kg1 Qg3+ 31. Kf1 Qxf3+ 32. Kg1 Qe3+ 33. Kf1 Rd8 0-1

[Event "Philadelphia National op 39th"]
[Site "Philadelphia"]
[Date "2008.11.30"]
[Round "5"]
[White "Kritz, Leonid"]
[Black "Ludwig, Daniel"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "2592"]
[BlackElo "2400"]
[PlyCount "100"]
[EventDate "2008.11.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "CBM 127 Extra"]
[Source "ChessBase"]
[SourceDate "2009.01.08"]
[SourceVersion "2"]
[SourceVersionDate "2009.01.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 b6 5. 0-0 Bb7 6. d3 Nbd7 7. Nbd2 g6 8. Re1 Bg7 9. Bf1 0-0 10. d4 e6 11. Bd3 a6 12. Nf1 b5 13. Ng3 Qc7 14. Be3 Rac8 15. Qe2 Nb6 16. Rad1 Nfd7 17. Bc1 b4 18. Be3 bxc3 19. bxc3 Na4 20. Rc1 Qa5 21. Bd2 Nb2 22. Bb1 Nb6 23. Bg5 N2a4 24. Bd2 Nb2 25. Bf4 N2c4 26. Bd3 d5 27. Ne5 cxd4 28. cxd4 Nxe5 29. Bxe5 dxe4 30. Bxe4 Bxe4 31. Qxe4 Qd5 32. Qxd5 Nxd5 33. Ne4 Nb4 34. Rb1 Nxa2 35. g3 Nc3 36. Nxc3 Rxc3 37. Rb6 Ra8 38. Bxg7 Kxg7 39. Ra1 a5 40. Ra4 Rc7 41. Rb5 Rca7 42. Kf1 Kf6 43. Ke2 Ke7 44. Kd3 Kd6 45. Kc4 h5 46. h4 Ra6 47. Kd3 Kc6 48. Rc5+ Kd6 49. Rb5 R8a7 50. Rc5 Ra8 1/2-1/2

