[Event "Vellmar op-B 5th"]
[Site "Vellmar"]
[Date "2013.07.28"]
[Round "7"]
[White "Henne, Lukas Felix"]
[Black "Zierenberg, Marcel"]
[Result "1-0"]
[ECO "C48"]
[PlyCount "49"]
[EventDate "2013.07.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 a6 5. Bxc6 bxc6 6. Nxe5 Bc5 7. 0-0 0-0 8. d4 Bd6 9. Nf3 c5 10. d5 Re8 11. Re1 Be5 12. Nxe5 Rxe5 13. Bf4 Re7 14. Bg5 Re8 15. e5 h6 16. exf6 hxg5 17. fxg7 Kxg7 18. Rxe8 Qxe8 19. d6 c6 20. Na4 c4 21. Qd4+ f6 22. Qxc4 Qe6 23. Qxe6 dxe6 24. Rd1 Bd7 25. Nb6 1-0

[Event "Vellmar op-B 5th"]
[Site "Vellmar"]
[Date "2013.07.28"]
[Round "6"]
[White "Zierenberg, Marcel"]
[Black "Ripp, Moritz"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "96"]
[EventDate "2013.07.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 d6 5. Nc3 Bg4 6. Be3 Bd4 7. Qd2 Nge7 8. Bxd4 Nxd4 9. Nxd4 exd4 10. Nd5 Nc6 11. 0-0 Ne5 12. Qf4 0-0 13. c3 dxc3 14. bxc3 Be6 15. Ne3 Bxc4 16. Nxc4 Nxd3 17. Qd2 Ne5 18. Nxe5 dxe5 19. Qxd8 Raxd8 20. Rad1 f6 21. g4 Kf7 22. f3 Ke7 23. Kf2 Rxd1 24. Rxd1 Rd8 25. Rb1 b6 26. h4 Rd2+ 27. Ke3 Rxa2 28. g5 Rh2 29. gxf6+ gxf6 30. Rg1 Kd6 31. Rg7 Rxh4 32. Kd3 a5 33. Rg8 Rh3 34. Ke3 Kc5 35. Ra8 Kc4 36. Kd2 Rxf3 37. Ra7 Rd3+ 38. Kc2 Rd7 39. Ra8 Rf7 40. Rg8 a4 41. Ra8 b5 42. Kb2 f5 43. exf5 Rxf5 44. Ra7 Rf7 45. Ra8 Re7 46. Rg8 e4 47. Rg2 e3 48. Re2 Kd3 0-1

[Event "Vellmar op-B 5th"]
[Site "Vellmar"]
[Date "2013.07.27"]
[Round "5"]
[White "Evering, Soeren"]
[Black "Zierenberg, Marcel"]
[Result "1-0"]
[ECO "C54"]
[PlyCount "59"]
[EventDate "2013.07.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 Ne4 7. Bd5 f5 8. cxd4 Bb6 9. 0-0 d6 10. Be3 dxe5 11. dxe5 Bxe3 12. fxe3 Bd7 13. Qb3 Qe7 14. Qxb7 Rb8 15. Qxc7 Rc8 16. Qb7 Nd8 17. Qxa7 Nf7 18. Bxf7+ Qxf7 19. Qd4 0-0 20. Nbd2 Bc6 21. Nxe4 fxe4 22. Ng5 Qe7 23. Nxe4 Rfd8 24. Nd6 Qg5 25. Qc4+ Kh8 26. Nf7+ Kg8 27. Nxg5+ Kh8 28. Nf7+ Kg8 29. Nxd8+ Kh8 30. Rf8# 1-0

[Event "Vellmar op-B 5th"]
[Site "Vellmar"]
[Date "2013.07.27"]
[Round "4"]
[White "Zierenberg, Marcel"]
[Black "Granass, Dieter"]
[Result "1-0"]
[ECO "C28"]
[PlyCount "61"]
[EventDate "2013.07.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bb4+ 5. Bd2 d6 6. Nc3 Bg4 7. 0-0 Nd4 8. Bg5 Nxf3+ 9. gxf3 Bh5 10. a3 Bxc3 11. bxc3 h6 12. Bh4 0-0 13. d4 Qe7 14. Be2 Qe6 15. f4 Bxe2 16. Qxe2 exf4 17. f3 Nh5 18. Qg2 Qc4 19. Qd2 Rfe8 20. Rae1 Re6 21. Re2 Rg6+ 22. Rg2 Rxg2+ 23. Kxg2 Qa6 24. Qc1 Qc4 25. Qd2 Qe6 26. Qd3 Qg6+ 27. Kf2 Rd8 28. Bxd8 c5 29. dxc5 dxc5 30. Rg1 Qf6 31. Bxf6 1-0

[Event "Vellmar op-B 5th"]
[Site "Vellmar"]
[Date "2013.07.26"]
[Round "3"]
[White "Kroemer, Alexander"]
[Black "Zierenberg, Marcel"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "23"]
[EventDate "2013.07.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Bg5 d6 6. Nc3 0-0 7. Nd5 Be6 8. Nxf6+ gxf6 9. Bh6 Re8 10. Nd2 f5 11. Qf3 Nd4 12. Qg3+ 1-0

[Event "Vellmar op-B 5th"]
[Site "Vellmar"]
[Date "2013.07.26"]
[Round "2"]
[White "Zierenberg, Marcel"]
[Black "Moenster, Michel"]
[Result "0-1"]
[ECO "C02"]
[BlackElo "1544"]
[PlyCount "58"]
[EventDate "2013.07.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Nge7 6. Bb5 Qb6 7. Be2 Nf5 8. Be3 Nxe3 9. fxe3 Qxb2 10. Nbd2 Qxc3 11. Qb3 Qxa1+ 12. Nb1 cxd4 13. exd4 Nb4 14. 0-0 Qxa2 15. Qd1 Bd7 16. Nc3 Qc2 17. Qe1 Rc8 18. Nd1 Nd3 19. Bxd3 Qxd3 20. Nb2 Qc3 21. Qe2 a6 22. Nd1 Qc4 23. Qe1 Bb4 24. Qf2 Bb5 25. Re1 Bxe1 26. Nxe1 Qe2 27. Qxe2 Bxe2 28. Nb2 b5 29. Nc2 Rxc2 0-1

[Event "Vellmar op-B 5th"]
[Site "Vellmar"]
[Date "2013.07.25"]
[Round "1"]
[White "Kirsch, Winfried"]
[Black "Zierenberg, Marcel"]
[Result "1-0"]
[ECO "C34"]
[PlyCount "47"]
[EventDate "2013.07.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 Nf6 4. e5 Nh5 5. Be2 g6 6. 0-0 Bc5+ 7. d4 Bb6 8. Kh1 d6 9. exd6 Qxd6 10. c3 Bg4 11. Ng1 Bf5 12. Bxh5 gxh5 13. Bxf4 Qe7 14. Re1 Be6 15. d5 Bf2 16. Re2 0-0 17. dxe6 Bc5 18. Bh6 Re8 19. exf7+ Qxf7 20. Rxe8+ Qxe8 21. Qd5+ Kh8 22. Qxc5 Nd7 23. Qd4+ Kg8 24. Qg7# 1-0

[Event "Vellmar op-C 4th"]
[Site "Vellmar"]
[Date "2012.07.29"]
[Round "7"]
[White "Eurich, Eva"]
[Black "Zierenberg, Marcel"]
[Result "0-1"]
[ECO "C47"]
[PlyCount "110"]
[EventDate "2012.07.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. Nf3 Nc6 2. g3 e5 3. e4 Nf6 4. Nc3 Bb4 5. Bg2 Bxc3 6. bxc3 Nxe4 7. d4 d6 8. Qd3 Bf5 9. d5 Nxg3 10. Qb5 Nxh1 11. dxc6 bxc6 12. Qxc6+ Bd7 13. Qc4 0-0 14. Bxh1 Be6 15. Qh4 Qxh4 16. Nxh4 Rad8 17. Bb2 c5 18. 0-0-0 Rd7 19. Bc6 Rdd8 20. Ng2 Bxa2 21. f4 Be6 22. c4 Bxc4 23. Ne3 Be2 24. Rd2 Bh5 25. Nd5 Rb8 26. Ne7+ Kh8 27. fxe5 dxe5 28. Bxe5 Rbd8 29. Rg2 Bg6 30. Be4 f6 31. Bxg6 Rd7 32. Nc6 fxe5 33. Nxe5 Rc7 34. Nf7+ Rfxf7 35. Bxf7 Rxf7 36. Rg5 Rc7 37. Rd5 Kg8 38. Kd2 a5 39. Kc3 Kf7 40. Kc4 Ke6 41. Rd3 Rd7 42. Re3+ Kf5 43. Kb5 g5 44. Kxa5 Rd2 45. Rc3 Rxh2 46. Rxc5+ Kf4 47. Rc4+ Kf3 48. Rc7 g4 49. Rg7 g3 50. c4 g2 51. c5 Rh6 52. Kb5 Rg6 53. Rxh7 g1Q 54. c6 Qb1+ 55. Kc5 Rxc6+ 0-1

[Event "Vellmar op-C 4th"]
[Site "Vellmar"]
[Date "2012.07.29"]
[Round "6"]
[White "Zierenberg, Marcel"]
[Black "Rudolph, Sebastian"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "78"]
[EventDate "2012.07.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 h6 5. 0-0 Nf6 6. Nc3 0-0 7. Be3 Bb6 8. d4 d6 9. d5 Nb4 10. a3 Na6 11. b4 c5 12. Rb1 cxb4 13. axb4 Bg4 14. h3 Bh5 15. Be2 Rc8 16. Na4 Bxe3 17. fxe3 Nxe4 18. Nd2 Bg6 19. Rc1 Nxb4 20. c3 Nxd5 21. Bf3 Nxe3 22. Qe2 Nxf1 23. Nxe4 d5 24. Rxf1 dxe4 25. Bxe4 Bxe4 26. Qxe4 Qd7 27. Rf3 Rc7 28. Rg3 Qe6 29. Nb2 Qf6 30. Nd3 Rxc3 31. Qg4 Qg6 32. Qf3 Qf6 33. Qg4 Rfc8 34. Nb4 R8c4 35. Rxc3 Rxg4 36. hxg4 Qd6 37. Nd3 Qd4+ 38. Kh2 Qxc3 39. Nxe5 Qxe5+ 0-1

[Event "Vellmar op-C 4th"]
[Site "Vellmar"]
[Date "2012.07.28"]
[Round "5"]
[White "Woellenstein, Sebastian"]
[Black "Zierenberg, Marcel"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "110"]
[EventDate "2012.07.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Bg5 Be7 6. Nc3 0-0 7. 0-0 d6 8. h3 Be6 9. Bb3 d5 10. Qd2 dxe4 11. dxe4 Qxd2 12. Nxd2 Rad8 13. Rad1 Bxb3 14. Nxb3 Rxd1 15. Rxd1 a6 16. Nd5 Rd8 17. Nc3 Rxd1+ 18. Nxd1 Nxe4 19. Bxe7 Nxe7 20. f3 Nd6 21. Kf2 f5 22. Nc5 f4 23. Ne6 c6 24. b4 b6 25. Nc3 e4 26. Nxe4 Nxe4+ 27. fxe4 a5 28. c3 Kf7 29. Nc7 axb4 30. cxb4 c5 31. bxc5 bxc5 32. a4 Nc6 33. Ke2 Ke7 34. Kd3 Kd6 35. Nd5 Nb4+ 36. Nxb4 cxb4 37. a5 Kc6 38. Kc2 Kb5 39. Kb3 Kxa5 40. h4 g6 41. Kb2 Ka4 42. Ka2 h6 43. Kb2 g5 44. h5 g4 45. Ka2 f3 46. gxf3 gxf3 47. Kb2 f2 48. Kc2 f1Q 49. Kd2 Qf3 50. Kc2 b3+ 51. Kd2 Kb4 52. Ke1 Qg2 53. Kd1 Kc3 54. Ke1 Kd3 55. Kd1 Qd2# 0-1

[Event "Vellmar op-C 4th"]
[Site "Vellmar"]
[Date "2012.07.28"]
[Round "4"]
[White "Zierenberg, Marcel"]
[Black "Ziegenfuss, Larissa"]
[Result "1/2-1/2"]
[ECO "D53"]
[PlyCount "54"]
[EventDate "2012.07.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d5 3. Nc3 e6 4. Bg5 Be7 5. e3 h6 6. Bxf6 Bxf6 7. Nf3 Nc6 8. g3 h5 9. h4 Bd7 10. cxd5 exd5 11. Nxd5 Be7 12. Rc1 Bf5 13. Nc3 Bb4 14. Bd3 Bg4 15. 0-0 0-0 16. Be4 Re8 17. Bc2 Re6 18. Kg2 Ne7 19. Qd3 Bf5 20. Qc4 Bd6 21. Bb3 Qd7 22. Ng5 Rg6 23. Nxf7 Kh7 24. Ng5+ Kh6 25. Nf7+ Kh7 26. Ng5+ Kh6 27. Nf7+ Kh7 1/2-1/2

[Event "Vellmar op-C 4th"]
[Site "Vellmar"]
[Date "2012.07.27"]
[Round "2"]
[White "Scherer, Jannik"]
[Black "Zierenberg, Marcel"]
[Result "1-0"]
[ECO "D45"]
[PlyCount "41"]
[EventDate "2012.07.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Bb4 6. Bd3 b5 7. cxb5 0-0 8. 0-0 c5 9. dxc5 Bxc5 10. Bc2 a6 11. bxa6 Bxa6 12. Re1 Bb7 13. b3 Nc6 14. Ne2 Bb4 15. Bd2 Bc5 16. Bc3 Ne4 17. Nfd4 Nxc3 18. Nxc3 Nxd4 19. exd4 Bb4 20. Qd3 Qc8 21. Qxh7# 1-0

[Event "Vellmar op-C 4th"]
[Site "Vellmar"]
[Date "2012.07.27"]
[Round "3"]
[White "Scholz, Richard"]
[Black "Zierenberg, Marcel"]
[Result "1-0"]
[ECO "C65"]
[PlyCount "103"]
[EventDate "2012.07.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Bc5 5. c3 a5 6. Re1 d6 7. d4 exd4 8. cxd4 Bb6 9. Nbd2 Bd7 10. Nf1 Qe7 11. Ng3 0-0-0 12. a3 Na7 13. Bxd7+ Qxd7 14. b4 Nc6 15. Bf4 Qg4 16. Bc1 Rhe8 17. h3 Qd7 18. d5 Na7 19. Qd2 Qb5 20. Qb2 Rd7 21. bxa5 Bxa5 22. Qxb5 Nxb5 23. Re3 Bb6 24. Re1 Rde7 25. Bb2 Nxe4 26. Nxe4 Rxe4 27. Rxe4 Rxe4 28. Ng5 Rf4 29. Rf1 f6 30. Nxh7 Rf5 31. a4 Na7 32. Nf8 Rxd5 33. Re1 Kb8 34. Re8+ Nc8 35. Nd7+ Ka7 36. Rxc8 Rd2 37. Nxb6 Kxb6 38. Bc3 Rd1+ 39. Kh2 d5 40. Rg8 d4 41. Bb4 d3 42. Rxg7 Rb1 43. Bd2 Rb2 44. Be3+ Ka5 45. Rxc7 b6 46. Rc3 d2 47. Rd3 Rc2 48. Rxd2 Rxd2 49. Bxd2+ Kxa4 50. h4 b5 51. h5 b4 52. Bxb4 1-0

[Event "Vellmar op-C 4th"]
[Site "Vellmar"]
[Date "2012.07.27"]
[Round "1"]
[White "Zierenberg, Marcel"]
[Black "Ziegenfuss, Antonia"]
[Result "1-0"]
[ECO "C55"]
[PlyCount "83"]
[EventDate "2012.07.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. Bc4 Nc6 4. 0-0 Be7 5. Nc3 Nf6 6. d3 0-0 7. Bg5 h6 8. Bxf6 Bxf6 9. Re1 a6 10. a4 Bg4 11. Nd5 Nd4 12. Nxf6+ Qxf6 13. Re3 c6 14. c3 Ne6 15. h3 b5 16. axb5 cxb5 17. Bd5 Bh5 18. Bxa8 Rxa8 19. d4 exd4 20. cxd4 Rc8 21. e5 dxe5 22. dxe5 Qg6 23. g4 Rd8 24. Qe2 Nf4 25. Qf1 Nxh3+ 26. Qxh3 Bxg4 27. Qg3 Qf5 28. Nh2 Bh5 29. Rxa6 Rd1+ 30. Kg2 Rd2 31. Ra8+ Kh7 32. Ra1 Rd4 33. f3 Bxf3+ 34. Rxf3 Rd2+ 35. Kg1 Qc2 36. Rxf7 Rg2+ 37. Qxg2 Qxg2+ 38. Kxg2 Kg8 39. Rff1 g5 40. e6 h5 41. Rf7 g4 42. Ra8# 1-0

[Event "Staufenberg Muender op 1st"]
[Site "Staufenberg"]
[Date "2011.06.13"]
[Round "7"]
[White "Zierenberg, Marcel"]
[Black "Jin, Brian"]
[Result "0-1"]
[ECO "B13"]
[PlyCount "72"]
[EventDate "2011.06.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Nf6 5. Nc3 Bf5 6. Be2 a6 7. Bf4 Nc6 8. Qd2 e6 9. 0-0-0 Ne4 10. Nxe4 Bxe4 11. g4 g6 12. h4 Be7 13. Bg5 Bxg5 14. Qxg5 Qe7 15. Qh6 e5 16. dxe5 Nxe5 17. Rh3 Nxg4 18. Qf4 Nxf2 19. Rhh1 Nxd1 20. Bxd1 b5 21. Re1 a5 22. Nd2 f5 23. Bf3 Kf7 24. Bxe4 dxe4 25. Rxe4 Qc5 26. Re5 Qc6 27. Nb3 Qh1+ 28. Kd2 Rhd8+ 29. Nd4 Qg2+ 30. Re2 Qd5 31. c3 Qxa2 32. Kc2 b4 33. Qc7+ Kf8 34. Qe7+ Kg8 35. Ne6 Qa4+ 36. Kc1 Qd1# 0-1

[Event "Staufenberg Muender op 1st"]
[Site "Staufenberg"]
[Date "2011.06.12"]
[Round "5"]
[White "Jin, Benjamin"]
[Black "Zierenberg, Marcel"]
[Result "1-0"]
[ECO "A08"]
[PlyCount "29"]
[EventDate "2011.06.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. 0-0 b6 5. d4 cxd4 6. Nxd4 Bd7 7. Bxd5 Bh3 8. Bxc6+ Bd7 9. Bxa8 Qxa8 10. Nc3 Nf6 11. Bf4 e6 12. Ncb5 Qd8 13. Nc7+ Ke7 14. Nf5+ exf5 15. Qd6# 1-0

[Event "Staufenberg Muender op 1st"]
[Site "Staufenberg"]
[Date "2011.06.12"]
[Round "4"]
[White "Zierenberg, Marcel"]
[Black "Fischer, Andreas"]
[Result "0-1"]
[ECO "B46"]
[PlyCount "58"]
[EventDate "2011.06.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Nc6 6. Be3 Nf6 7. Bd3 Be7 8. Qe2 Qc7 9. 0-0-0 Ne5 10. Bf4 Nxd3+ 11. Qxd3 Qxf4+ 12. Kb1 Qc7 13. Nf3 d6 14. Rhe1 0-0 15. e5 dxe5 16. Nxe5 b5 17. h3 Bb7 18. g4 Rfd8 19. Qe2 Rxd1+ 20. Rxd1 Rd8 21. Re1 b4 22. Nd1 Ne4 23. Nd3 a5 24. f3 Nc5 25. Ne5 Bf6 26. Nd3 Nxd3 27. cxd3 Rc8 28. Nc3 bxc3 29. bxc3 Qxc3 0-1

[Event "Staufenberg Muender op 1st"]
[Site "Staufenberg"]
[Date "2011.06.11"]
[Round "3"]
[White "Sommer, Vincent"]
[Black "Zierenberg, Marcel"]
[Result "1-0"]
[ECO "C33"]
[PlyCount "31"]
[EventDate "2011.06.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Bc4 Nc6 4. d4 Nf6 5. Nc3 Bb4 6. Nge2 g5 7. 0-0 Bxc3 8. Nxc3 Qe7 9. e5 Ng8 10. Nd5 Qe6 11. Nxc7+ Kf8 12. Bxe6 fxe6 13. Qh5 Rb8 14. Bxf4 gxf4 15. Rxf4+ Kg7 16. Ne8# 1-0

[Event "Staufenberg Muender op 1st"]
[Site "Staufenberg"]
[Date "2011.06.11"]
[Round "2"]
[White "Zierenberg, Marcel"]
[Black "Schlachowitsch, Markus"]
[Result "0-1"]
[ECO "B07"]
[BlackElo "2034"]
[PlyCount "72"]
[EventDate "2011.06.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 c6 2. d4 d6 3. Nf3 Nf6 4. Nc3 Bg4 5. Be2 d5 6. e5 Nfd7 7. 0-0 Bxf3 8. Bxf3 e6 9. Re1 c5 10. dxc5 Bxc5 11. Na4 Be7 12. c4 Nc6 13. cxd5 exd5 14. Bxd5 0-0 15. e6 Nf6 16. Nc3 Nxd5 17. Nxd5 fxe6 18. Rxe6 Bc5 19. Be3 Bxe3 20. Rxe3 Qh4 21. f3 Rad8 22. Re4 Qg5 23. Rg4 Qxd5 24. Qc1 Rf7 25. Re4 Nd4 26. Qe1 Nc2 27. Qf1 Nxa1 28. Qxa1 Qc5+ 29. Kh1 Qc2 30. Qe1 Rd1 31. h3 Rxe1+ 32. Rxe1 h6 33. Kh2 Rd7 34. Re8+ Kh7 35. Kg3 Qg6+ 36. Kh2 Qxe8 0-1

