d4 1... f5 2. c4 Nf6 3. Nf3 e6 4. Nc3 d5 5. Bf4 c6 6. e3 Be7 7. Bd3 O-O 8. Qc2 Ne4 9. g4 fxg4 (9... g5 10. Be5 Nd7) 10. Ne5 Nf6 11. h3

[Event "2º IRT DO CLUBE DE XADREZ DA CIDADE VELHA"] [Site "Belem - PA"] [Date "2015.02.18"] [Round "9.2"] [White "MARTINS, Clauber Figueiredo"] [Black "DA CUNHA, Giovanni Maciel"] [Result "1-0"] [ECO "E73"] [WhiteElo "1995"] [BlackElo "2050"] [PlyCount "125"] [EventDate "2015.02.13"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Be3 e5 7. d5 Ne8 8. Qd2 f5 9. Bg5 Nf6 10. O-O-O f4 11. f3 Na6 12. Bh4 Bd7 13. g3 h6 14. gxf4 exf4 15. Bf2 Qe8 16. Bd4 b6 17. Bd3 Nc5 18. Bc2 a5 19. Nge2 Nh5 20. Rdg1 Be5 21. Bxe5 dxe5 22. Qe1 Kh7 23. Qh4 a4 24. Rd1 Nb7 25. Rhg1 Nd6 26. Bd3 Ra5 27. Nb5 Nxb5 28. cxb5 Bxb5 29. Bxb5 Rxb5 30. Nc3 Rc5 31. d6 a3 32. dxc7 Rxc7 33. Rd6 axb2+ 34. Kxb2 g5 35. Qf2 Qe7 36. Rxb6 Ra8 37. Nd5 Qa3+ 38. Ka1 Rca7 39. Rg2 Qc1+ 40. Rb1 Qc4 41. Nb4 Qc3+ 42. Qb2 Qxf3 43. Re2 Nf6 44. Rbe1 Ng4 45. Rd2 Ra3 46. Rd7+ Kg6 47. Rd6+ Kh5 48. h3 Ne3 49. h4 Nc4 50. hxg5 hxg5 51. Qh2+ Kg4 52. Rg1+ Qg3 53. Rh6 Kf3 54. Qh1+ Ke3 55. Rxg3+ fxg3 56. Nc2+ Kd3 57. Nxa3 Rxa3 58. Rc6 Ne3 59. Qb1+ Ke2 60. Qb2+ Kf3 61. Qxa3 g2 62. Rc1 Kxe4 63. Re1 1-0

d4 1... f5 2. c4 Nf6 3. Nf3 e6 4. Nc3 d5 5. Bf4 c6 6. e3 Be7 7. Bd3 O-O 8. Qc2 Ne4 9. g4 fxg4 (9. g5 10. Be5 Nd7) 10. Ne5 Nf6 11. h3

d4 1... f5 2. c4 Nf6 3. Nf3 e6 4. Nc3 d5 5. Bf4 c6 6. e3 Be7 7. Bd3 O-O 8. Qc2 Ne4 9. g4 fxg4 (9... g5 10. Be5 Nd7 11. h4 fxg4 (11... Nxe5 12. Nxe5 gxh4 13. gxf5 exf5 14. cxd5 cxd5 15. O-O-O) 12. Nxg5 (12. Bxe4 dxe4 13. Nxg5 Nxe5 14. dxe5 Qd3 15. Qe2)) (9... Qa5 10. gxf5 exf5 11. cxd5 cxd5 12. Ke2) (9... Nxc3 10. bxc3 dxc4 11. Bxc4 b5 12. Bb3 Kh8 13. Rg1 c5 14. dxc5 Bxc5 15. gxf5 Rxf5 16. Qe4) (9... Bd6 10. Bxd6 Nxd6 11. cxd5 cxd5 12. gxf5 exf5) 10. Ne5 Nf6 11. h3 g3 12. Bxg3 Nbd7 13. O-O-O

1. e4 c5 2. Bc4 Nc6 3. Nf3 d6 4. a3 Nf6 5. Nc3 g6 6. d3 Bg7 7. h3 O-O 8. Bg5 Bd7 9. Qd2 a6 10. Ne2 b5 11. Ba2 a5 12. O-O a4 13. Rab1 b4 14. axb4 cxb4 15. b3 axb3 16. Bxb3 Qc7 17. Nf4 Ra5 18. Nd5 Nxd5 19. Bxd5 Rfa8 20. Bxc6 Bxc6 21. Rxb4 Ra1 22. Nd4 Rxf1+ 23. Kxf1 Ra1+ 24. Ke2 Bb7 25. Rc4 Qd7 26. Qc3 Ra8 27. f4 Rc8 28. Rxc8+ Bxc8 29. g4 f6 30. Bh4 f5 31. gxf5 gxf5 32. Qb3+ Kf8 33. Nxf5 Bf6 34. Bxf6 exf6 35. Nh6 Qg7 36. Qb8 Qg2+

[Event "?"] [Site "?"] [Date "2015.02.10"] [Round "?"] [White "Awad,Muhammad"] [Black "Muhammad,Osama"] [Result "1-0"] [ECO "C30"] [PlyCount "51"] 1. e4 e5 2. f4 Nc6 3. Nf3 Bc5 4. Bc4 d6 5. Nc3 Nf6 6. d3 Na5 7. Bb3 Nxb3 8. axb3 c6 9. Na4 Bb6 10. Nxb6 Qxb6 11. Qe2 O-O 12. f5 h6 13. Be3 c5 14. O-O Ng4 15. Bd2 c4+ 16. Kh1 cxb3 17. h3 Nf6 18. c4 Nd7 19. Be3 Nc5 20. Qd2 Qc6 21. Bxh6 d5 22. Bxg7 Kxg7 23. Qg5+ Kh8 24. f6 Ne6 25. Qh6+ Kg8 26. Ng5 1-0

1. d2-d3 e7-e5 2. e2-e3 d7-d5 3. Ng1-f3 Nb8-c6 4. Nb1-c3 Ng8-f6 5. a2-a4 Bf8-b4 6. Qd1-e2 0-0 7. Qe2-d1 d5-d4 8. e3xd4 e5xd4 9. Nf3xd4 Qd8xd4 10. h2-h3 Bc8-f5 11. Ra1-b1 a7-a6 12. f2-f4 Ra8-e8 13. Ke1-d2 Qd4-e3

[Event "ChessCube Game"] [Site "www.chesscube.com"] [Date "2015.02.19"] [Round "-"] [White "teosak@chesscube.com"] [Black "jp_villafranc@chesscube.com"] [Result "1-0"] [WhiteElo "2100"] [BlackElo "2434"] [Time "10:23:18"] [TimeControl "60"] 1. e4 e6 2. f4 d5 3. exd5 exd5 4. Nf3 Nf6 5. d4 c5 6. c3 Nc6 7. Bd3 Bg4 8. O-O Bxf3 9. Qxf3 Be7 10. f5 O-O 11. Bg5 cxd4 12. Qh3 dxc3 13. bxc3 Qb6+ 14. Kh1 Rad8 15. Nd2 Qb2 16. Nf3 Qxc3 17. Rad1 Ne5 18. Nxe5 Qxe5 19. Bf4 Qb2 20. g4 Ne4 21. g5 Nf2+ 22. Rxf2 Qxf2 23. f6 Bxf6 24. Qxh7# 1-0

[Event "Let's Play!"] [Site "Chess.com"] [Date "2015.02.18"] [White "Superstrand84"] [Black "jebbe"] [Result "*"] [WhiteElo "1259"] [BlackElo "1283"] [TimeControl "1 in 3 days"] 1.d4 d5 2.e3 f5 3.Nc3 e6 4.Bb5+ Bd7 5.Qh5+ g6 6.Qe2 Bxb5 *

[Event "Jeruchess 4 seasons GM Winter 2015"] [Site "Jerusalem, Israel"] [Date "2015.01.12"] [Round "2.5"] [White "Rozentalis, Eduardas"] [Black "Kobo, Ori"] [Result "1/2-1/2"] [ECO "B30"] [WhiteElo "2577"] [BlackElo "2412"] [Annotator "Alon Cohen-Revivo"] [EventDate "2015.01.11"] [Source "Jeruchess Club"] 1. e4 {This creative game presents many interesting strategical and tactical ideas related to the control over the center, hanging pawns,strenght of passed pawn, mate attack in endgame with smothered mate motive, stalemate, superiority of pawns over Knight and theorical rook endgame.} c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O Nge7 5. Re1 Nd4 6. Bf1 Nec6 7. d3 Nxf3+ 8. Qxf3 Bd6 $5 {At a first glance it looks awkard, but makes sense strategically speaking, gets a good control over e5 and black square in general, the closed structure allows such move.} 9. c3 $5 $146 (9. Na3 O-O 10. Nc4 Bc7 11. Ne3 f5 12. exf5 d5 13. g4 d4 14. Nc4 exf5 15. Bg2 Nb4 16. Bf4 fxg4 17. Bxc7 gxf3 18. Bxd8 Rxd8 19. Bxf3 Nxc2 20. Rac1 Nxe1 21. Rxe1 Kf8 22. Re5 Re8 23. Rxc5 Bh3 24. Be4 Rac8 25. Rh5 Bg4 26. Rh4 Rxe4 27. dxe4 Rxc4 28. Rxg4 d3 {Roland Weill 2224- Igor Miladinovic 2599 0-1 2003 Cap d'Agde}) 9... O-O 10. Bf4 e5 {First concession over d5 square.Now we have a somelike closed Spanish opening structure with many nuances. no expansion on queen side for Black, one Knight exchanged c6 versus f3, a Bishop in f1 instead of c2 and so on....as usual pawn breaks lead strategical battles d4, b4 break for white, d5 and f5 breaks for black.} (10... Bxf4 11. Qxf4 d5 $11) 11. Be3 Be7 12. a3 a5 (12... d6 13. b4 f5 $132) 13. a4 $5 {Thematic move,after black prevented b4, b5 square has been weakened, this is a marvellous square for the Knight to control important squares such as c5, d6 or to get the d4 break on the center} d6 14. Na3 Be6 15. Nb5 f5 {Black played dynamically in order to get counter play over the center and on especially over the f file.} (15... Kh8 16. d4 cxd4 17. cxd4 exd4 18. Nxd4) 16. exf5 Rxf5 (16... Bxf5) 17. Qe2 d5 18. d4 $5 cxd4 19. Bxd4 $1 {The nice center is under strong pressure!} (19. Nxd4) (19. cxd4 e4 $15) 19... Qd7 (19... e4 {The break pawn structure f3 and c4 may reveal the weakness of the center, d4 square and isolated pawn would give excellent chances in the endgame.}) (19... exd4 20. Qxe6+ Rf7 21. c4 $1 {With pressure on White square d5 and the diagonal a2-g8} dxc4 22. Bxc4) 20. Bb6 Raf8 21. Rad1 Rf4 22. Qc2 $6 (22. Nc7 $142 {to pressure on the hanging pawns d5 and e5.} Rxa4 23. Qb5 Raf4 24. Nxd5 Bxd5 25. Qxd5+ Qxd5 26. Rxd5) 22... Kh8 23. b3 (23. Bd3 $5 g6 24. b3 (24. f3)) 23... Bd8 24. Be3 R4f7 25. Qd2 d4 $1 {Black play efficiently to hit the weaknesses on b3 and a4.} 26. cxd4 Bxb3 27. Ra1 (27. d5 $5 {Stockfish interesting insight...} Bxd1 (27... Nd4 28. Nxd4 exd4 29. Bxd4 (29. Qxd4 Bf6 (29... Bxa4 30. Rb1)) 29... Bxd1 30. Bb5 Qd6 31. Re6) 28. Rxd1 Ne7 29. Be2 {Bishop pair added to the strong d passed pawn and an excellent cooperation between the pieces gives interesting game for White.}) 27... Bb6 28. d5 Nd4 29. d6 Qg4 (29... Bd5 $5) (29... Qc6) 30. h3 Nf3+ 31. Kh1 Nxd2 32. hxg4 Bxe3 33. Rxe3 Rxf2 34. Be2 Bd5 35. Rg1 Bc6 $5 {very natural move in zeitnot to keep control over the dangerous passed pawn.} (35... Ne4 $142 36. Kh2 R2f6 37. Re1) 36. Na7 (36. Rxe5 Ne4 37. Bd3) 36... Bxa4 37. Rxe5 R2f6 (37... R8f4 38. Bb5 $18) 38. Ra1 Bd7 39. Rd5 Ne4 (39... Nb3 $5 40. Ra3 Be6 41. Rd1 Rd8 42. Bf3 Bg8 (42... g5)) 40. Bf3 Nxd6 {Knowing this is last move before time control , this is certainly a courageous move, win a move but gets into a dangerous pin. I assume that Ori evaluates that he has enough counterchances with his two a-b passed pawns.} (40... Nf2+ 41. Kg1 Nxg4 (41... Nh3+ 42. gxh3 (42. Kh2 Nf4 43. Rd2 b6) 42... Rxf3) 42. Bxg4 Bxg4 43. Raxa5 Rd8) 41. g5 Re6 {The beginning of a long force variation.} (41... Rg6 42. Rad1) 42. Bg4 (42. Rad1 Nc8 43. Rxd7 Nxa7 44. Rxb7 Nc6 45. Rdd7 Rg6 46. Bxc6 Rxc6 47. Rxg7 Rg6 48. Rxh7+ Kg8 49. Rh5 Rf5) (42. Rad1 Nc8 $1 {The pointe!} 43. Rxd7 Nxa7 44. Rxb7 Nc6 45. Rdd7 Rg6 46. Bxc6 Rxc6 47. Rxg7 Rg6 48. Rxh7+ Kg8 49. Ra7) 42... Re7 43. Bxd7 Rxd7 44. Nb5 Rfd8 45. Rad1 {Diagram #} a4 46. Kh2 ( 46. Rxd6 Rxd6 47. Rxd6 (47. Nxd6 Kg8) 47... Rxd6 48. Nxd6 a3) (46. Nxd6 Kg8 47. Nf5 Rxd5 48. Ne7+ Kf7 49. Nxd5 b5 50. g6+ hxg6 51. Rf1+ Kg8 52. Nc3) 46... Kg8 47. Kh3 {In post mortem Analysis, in the video, Eduardas explains the thinking process that lead him to prefer h4 square rather than g4 square for his King.} (47. Nc3) 47... Kf7 48. Nxd6+ Kg6 $5 (48... Ke6 {Leads immedaitely to a draw, Kg6 is practically clever and keeps more chances.} 49. Nf7 Rxd5 50. Nxd8+ Kd6 ( 50... Ke5 51. Nf7+ Ke4 52. Nd6+ Ke5 53. Nf7+ $11) 51. Nxb7+ Kc6 52. Nd8+ $11) 49. Kh4 a3 (49... b5 50. g4 h6 51. gxh6 gxh6 52. R5d4 b4 53. Rxb4 Rxd6 $11) 50. g4 (50. Nf5 Rxd5 51. Ne7+ Kf7 52. Nxd5 b5 53. Rf1+ Kg8 54. Ne7+ Kh8 55. Ra1) 50... a2 51. R5d3 $5 {Here is the hidden idea....} a1=Q (51... b5 52. Nf7 Rxd3 (52... Kxf7 53. Rxd7+ Rxd7 54. Rxd7+ Ke6 55. Ra7) 53. Ne5#) (51... h6 $1 52. gxh6 gxh6 53. R3d2 b5 54. Rxa2 Rxd6 55. Rb1 Rb6 56. Rab2 Rdb8 (56... Rd5 57. Rb3 Re5 58. Kg3 Rc5 59. R1b2 Kg5 60. Rh2) 57. Rb4) (51... b5 52. Nf7 Rxd3 53. Ne5#) (51... Ra8 52. Nc4) 52. Rxa1 Rxd6 53. Rad1 Rxd3 54. Rxd3 Rb8 (54... Rxd3 {Stalemate!}) 55. Rd6+ Kf7 56. g6+ $1 hxg6 57. Rb6 {What a square !} Kg8 (57... Ke7 58. Kg5 Kd7 59. Kxg6 Kc7 60. Rb4 b5 61. Kxg7 Kc6 62. Kf6 Kc5 63. Rb1 b4 64. g5 b3 65. g6 Kc4 $11) 58. g5 Kf8 59. Kg4 Kf7 (59... Ke7 60. Rxg6 b5 61. Rxg7+ Ke6 62. Ra7) 60. Kh4 Ra8 61. Rxb7+ Ke6 62. Rb6+ Kf5 63. Rb5+ Kf4 64. Rb4+ Kf3 65. Rb3+ 1/2-1/2