CANBASE Player / Joueur Melkumyan, Hrant
GameID: 0
13 games / 13 parties
2024.03.26 Titled Tuesday 2024.03.26 Late
237345 Thavandiran, Shiyam (2347) Melkumyan, Hrant (2640) 0-1
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 c5 7. O-O Re8 8. h3 cxd4 9. Nxd4 Nc6 10. Be3 Nxd4 11. Bxd4 Bd7 12. Qd3 a5 13. b3 Bc6 14. Rad1 Nd7 15. Bxg7 Kxg7 16. Bg4 Nf6 17. Qe3 Qb8 18. Qe2 e5 19. Rd3 b5 20. cxb5 Bxb5 21. Nxb5 Qxb5 22. Rxd6 Qxe2 23. Bxe2 Nxe4 24. Rd7 Nf6 25. Rb7 Reb8 26. Rxb8 Rxb8 27. Rc1 Ne4 28. Rc7 Kf6 29. Ra7 Rd8 30. Rxa5 Rd2 31. Ra6+ Kg7 32. Bc4 Rxf2 33. Ra7 Rf4 34. a4 Nd6 35. Rc7 e4 36. a5 e3 37. Be2 Rf2 38. Bf3 Ra2 39. Re7 Nf5 40. Re5 Nd4 41. a6 Rxa6 42. Rxe3 Ra1+ 43. Kh2 Rb1 44. Bd5 Rf1 45. Bc4 Rf6 46. Rd3 Nc6 47. Rd5 Nb4 48. Rb5 Nc2 49. Rb7 Ne3 50. Bd3 Rf2 51. Kg3 Rf6 52. Be4 h5 53. h4 Nf1+ 54. Kh3 Nd2 55. Bd5 Rf5 56. Rd7 Nf1 57. Bc4 Ne3 58. Bd3 Rf2 59. Rd4 Rxg2 60. Re4 Rb2 61. Rxe3 Rxb3 62. Kg3 Rb4 63. Be4 Rd4 64. Bf3 Rb4 65. Re7 Rb6 66. Rd7 Rf6 67. Bd5 Rf5 68. Bf3 Rf6 69. Rd4 Rf5 70. Re4 Rc5 71. Rb4 Rc7 72. Ra4 Rd7 73. Ra5 Re7 74. Rc5 Rd7 75. Rc4 Re7 76. Rf4 Rd7 77. Kf2 Rd6 78. Ke3 Rf6 79. Rd4 Re6+ 80. Kf4 Rf6+ 81. Ke4 Re6+ 82. Kd5 Rf6 83. Be2 Rf2 84. Bd3 Rf3 85. Kd6 Kf6 86. Bc4 Rf2 87. Kc5 Rf5+ 88. Kb4 Ke5 89. Rd5+ Kf4 90. Rd7 Kg3 91. Bxf7 Rf6 92. Bc4 Kxh4 93. Rd4+ Kg3 94. Rd3+ Kh4 95. Rd4+ Kg3 96. Rd3+ Kf2 97. Rd4 g5 98. Rd5 Rg6 99. Rf5+ Ke3 100. Bf7 Rb6+ 101. Ka5 Rh6 102. Rxg5 h4 103. Rg1 h3 104. Re1+ Kf2 105. Rc1 h2 106. Kb4 h1=Q 107. Rxh1 Rxh1 108. Bd5 Rh4+ 109. Kc5 Ke3 110. Bc4 Rh5+ 111. Bd5 Kd3 112. Kd6 Kd4 113. Be6 Rh6 114. Ke7 Ke5 115. Bf7 Rh7 116. Kf8 Kf6 117. Bc4 Rc7 118. Bb5 Rc8+ 119. Be8 Rb8 120. Kg8 Rxe8+ 121. Kh7 Rf8 0-1
2024.03.12 Titled Tuesday 2024.03.12 Late
213123 Melkumyan, Hrant (2640) Mendes, Aaron Reeve (2309) 1-0
1. c4 c6 2. Nf3 Nf6 3. g3 g6 4. b3 Bg7 5. Bb2 O-O 6. Bg2 d5 7. O-O Nbd7 8. d3 Re8 9. Nbd2 a5 10. a3 e5 11. cxd5 cxd5 12. Qc2 Ra6 13. Rac1 Rc6 14. Qb1 Qb6 15. e3 Qa6 16. d4 e4 17. Ne5 Nxe5 18. dxe5 Nd7 19. e6 Rexe6 20. Bxg7 Kxg7 21. b4 axb4 22. axb4 Rxc1 23. Qxc1 Rc6 24. Qb2+ Nf6 25. Nb3 Rb6 26. Nd4 Bd7 27. h3 Qc4 28. Rb1 Qc8 29. Kh2 Ra6 30. Rc1 Qa8 31. Rc2 Ra1 32. Nb3 Rd1 33. Nc5 Be8 34. Rc1 Rxc1 35. Qxc1 b6 36. Nb3 Qc6 37. Qb2 Qc4 38. Nd4 Bd7 39. Kg1 h5 40. Bf1 Qc7 41. Qa1 h4 42. g4 Qe5 43. Qa7 Bxg4 44. Qxb6 Bf3 45. Nc6 Qg5+ 46. Kh2 Nh5 47. Qc7 Nf6 48. Qe5 Qh6 49. Nd4 Qh5 50. Qxh5 Nxh5 51. b5 Nf6 52. b6 Nd7 53. b7 Bd1 54. Bb5 Nb8 55. Nc6 Nd7 56. Nb4 Nb8 57. Na6 Nxa6 58. Bxa6 d4 59. exd4 e3 60. fxe3 g5 61. b8=Q g4 62. Qe5+ f6 63. Qe7+ Kg6 64. hxg4 Bxg4 65. Bd3+ 1-0
2024.02.13 Titled Tuesday 2024.02.13 Late
220834 Melkumyan, Hrant (2640) Sai, Krishna GV (2404) 1-0
1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. Kh1 Ne8 10. b4 h6 11. c5 f5 12. Ba3 f4 13. Nd2 h5 14. Nc4 Rf7 15. Rc1 Bf8 16. b5 b6 17. cxd6 cxd6 18. Nb1 Rh7 19. Ncd2 g5 20. Rc6 g4 21. Nc4 Ng6 22. Qb3 f3 23. gxf3 Nf4 24. Nxe5 Nxe2 25. Qe3 Nd4 26. Qxd4 dxe5 27. Qxe5 Bxa3 28. Nxa3 gxf3 29. Rg1+ Bg4 30. h3 Qh4 31. Qg3 Qe7 32. Nc2 Qxe4 33. Ne3 Kh8 34. Rc4 Qe7 35. Rgc1 Rd8 36. hxg4 hxg4+ 37. Kg1 Nf6 38. Rc7 Qe4 39. Rxh7+ Qxh7 40. Qe5 Qg7 41. Nf5 Qg5 42. Rc6 Rf8 43. d6 Kg8 44. Ne7+ Kf7 45. Qxg5 Rh8 46. d7 Nxd7 47. Qg6+ Kxe7 48. Qg7+ Kd8 49. Qxh8+ Ke7 50. Qg7+ Ke8 51. Re6+ Kd8 52. Rd6 Ke8 53. Qxd7+ Kf8 54. Rc6 Kg8 55. Rc8# 1-0
2023.12.05 Titled Tuesday intern op 05th Dec Late
216801 Melkumyan, Hrant (2640) Hambleton, Aman (2420) 1-0
1. Nf3 b6 2. e4 Bb7 3. Nc3 e6 4. d4 Bb4 5. Bd3 Nf6 6. e5 Ne4 7. Bd2 Bxc3 8. bxc3 f5 9. h4 O-O 10. Ng5 h6 11. Nxe4 fxe4 12. Be2 Nc6 13. Qc1 Ne7 14. Be3 Nf5 15. h5 Qe7 16. Rh3 Kh7 17. a4 c5 18. a5 Bd5 19. Kf1 cxd4 20. cxd4 Rac8 21. c3 Bc4 22. Bxc4 Rxc4 23. Kg1 Rfc8 24. Qb1 Rxc3 25. Qxe4 Kh8 26. axb6 axb6 27. Kh2 Qf7 28. Ra7 R3c7 29. Ra6 Rb8 30. Bd2 Ne7 31. Bb4 Rc6 32. Bd6 Rbc8 33. Qg4 Nd5 34. Rf3 Qg8 35. Ra7 Rd8 36. Qg6 Qe8 37. Rf7 Qg8 38. Raxd7 Rxd7 39. Rxd7 Rc8 40. Rb7 Nf4 41. Qg4 Nd5 42. g3 Re8 43. Kg2 Qh7 44. Qg6 Qg8 45. Rxg7 Qxg7 46. Qxe8+ Qg8 47. Qxg8+ Kxg8 48. Kf3 Kf7 49. Ke4 b5 50. Ba3 Nc3+ 51. Kd3 Nd5 52. Bc1 Kg7 53. Bd2 Nb6 54. g4 Nd5 55. f4 Ne7 56. Ke4 Nd5 57. f5 Nc7 58. f6+ Kh7 59. Bb4 Nd5 60. f7 Nxb4 61. f8=Q Nd5 62. Qf7+ 1-0
2023.11.07 Titled Tuesday 2023.11.07 Early
214350 Preotu, Razvan (2461) Melkumyan, Hrant (2650) 0-1
1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. Re1 d6 7. a4 Na5 8. Ba2 c5 9. c3 Nc6 10. Na3 Be6 11. Bxe6 fxe6 12. Nc4 Nd7 13. Bd2 Qe8 14. b4 Qg6 15. b5 Nd8 16. d4 exd4 17. cxd4 cxd4 18. Nxd4 Nc5 19. Qe2 Nf7 20. Bb4 Rac8 21. Na5 Ng5 22. Kh1 Bf6 23. Rad1 Be5 24. Bxc5 dxc5 25. Nc2 Qh6 26. g3 Nf3 27. h4 Nxh4 28. Qg4 Nf3+ 29. Kg2 Qh2+ 30. Kf1 Nd4 0-1
2023.01.03 Titled Tuesday 2023.01.03 Late
220992 Sai, Krishna GV (2379) Melkumyan, Hrant (2645) 1/2-1/2
1. e4 c5 2. Nf3 Nc6 3. Nc3 e5 4. Bc4 Be7 5. d3 d6 6. O-O Nf6 7. h3 O-O 8. Bg5 Na5 9. Bxf6 Bxf6 10. Bd5 Nc6 11. Nd2 Ne7 12. Nc4 a6 13. a4 g6 14. a5 Nxd5 15. Nxd5 Rb8 16. c3 Bg7 17. f4 exf4 18. Rxf4 Be6 19. Ncb6 Qg5 20. h4 Qg3 21. Qf3 Qxf3 22. Rxf3 Rbd8 23. Nf6+ Kh8 24. Raf1 h5 25. Kf2 Bh6 26. Kg3 Kg7 27. Nfd5 Kh7 28. Nc7 Kg8 29. Nbd5 Bg7 30. Ne7+ Kh7 31. Nxe6 fxe6 32. Rxf8 Rxf8 33. Rxf8 Bxf8 34. Nc8 Kg8 35. Kf4 Kf7 36. e5 d5 37. c4 Ke8 38. g4 hxg4 39. Kxg4 Kd7 40. Nb6+ Kc6 41. Kg5 Bg7 42. Kxg6 Bxe5 43. b3 Bc3 44. h5 Bxa5 45. Na4 Bc7 46. Kf6 b5 47. Nb2 Ba5 48. Nd1 dxc4 49. dxc4 Bd2 50. Kxe6 b4 51. Nf2 a5 52. Ne4 Bc1 53. Nf2 Be3 54. Nd3 Bd2 55. Ne5+ Kc7 56. Kd5 a4 57. bxa4 b3 58. Nd3 Bc3 59. h6 Kb6 60. h7 b2 61. Nxb2 Bxb2 62. a5+ Kxa5 63. Kxc5 Ka6 64. Kd6 Kb7 65. Kd7 Kb6 66. Kd6 Kb7 67. c5 Kc8 68. Ke6 Bh8 69. Kf7 Kc7 70. Kg8 Bd4 71. Kf7 Kc6 72. Ke6 Kxc5 73. Kf7 Kd6 74. Kg8 Ke7 75. h8=B 1/2-1/2
2022.12.27 Titled Tuesday 2022.12.27 Late
214599 Preotu, Razvan (2493) Melkumyan, Hrant (2645) 0-1
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 e5 6. Bxc6 dxc6 7. d3 Qe7 8. a3 Nf6 9. b4 O-O 10. bxc5 Bg4 11. Nbd2 Nd7 12. a4 Rfd8 13. h3 Bxf3 14. Nxf3 Qxc5 15. Be3 Qd6 16. Qb1 b6 17. Nd2 Qe6 18. a5 b5 19. a6 Bf8 20. c3 Rdb8 21. Qc2 c5 22. Nf3 Rb6 23. d4 cxd4 24. cxd4 Rxa6 25. Ng5 Rxa1 26. Rxa1 Qc4 27. Qxc4 bxc4 28. d5 c3 29. Nf3 a5 30. Kf1 Nc5 31. Bxc5 Bxc5 32. Nxe5 a4 33. Ke2 c2 34. Nf3 Ba3 0-1
2022.11.29 Titled Tuesday intern op 29th Nov Late
216425 Melkumyan, Hrant (2645) Hambleton, Aman (2437) 1-0
1. d4 Nf6 2. c4 e6 3. Bf4 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Bb5+ Ke7 9. Nf3 a6 10. Bd3 Re8 11. O-O Kf8 12. Qd2 Bg4 13. Ne1 c4 14. Bc2 b5 15. h3 Bc8 16. a3 Qb6 17. Nf3 Nbd7 18. Rfe1 Bb7 19. Bh6 Rac8 20. Bxg7+ Kxg7 21. Re3 a5 22. Ne2 b4 23. axb4 axb4 24. Ng3 h6 25. Nd4 Nc5 26. Rae1 Rc7 27. Ngf5+ gxf5 28. Nxf5+ Kf8 29. Rg3 Ng8 30. Rxg8+ Kxg8 31. Qxh6 f6 32. Re3 Nxe4 33. Bxe4 Qxe3 34. Qxe3 c3 35. bxc3 bxc3 36. Nxd6 Rd8 37. Qg3+ Kh8 38. Qh4+ Kg8 39. Qxf6 Ba6 40. Qxd8+ 1-0
2022.10.18 Titled Tuesday intern op 18th Oct Late
216386 Hambleton, Aman (2437) Melkumyan, Hrant (2645) 1/2-1/2
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 a6 7. Qd2 c5 8. Nge2 Nc6 9. O-O-O cxd4 10. Nxd4 Bd7 11. Kb1 b5 12. cxb5 Nxd4 13. Bxd4 axb5 14. Bxb5 Bxb5 15. Nxb5 Qd7 16. Qb4 Rfb8 17. a4 Qb7 18. Rc1 e5 19. Bc3 Bf8 20. Qc4 Nd7 21. b3 Nb6 22. Qc7 Nxa4 23. Qxb7 Rxb7 24. bxa4 Rxa4 25. Kc2 Rxb5 26. Ra1 Rc4 27. Kd3 Rc8 28. Rhc1 d5 29. exd5 Rxd5+ 30. Ke2 Bh6 31. Rc2 Rdc5 32. Ra3 f6 33. Rb3 Bf8 34. Kd3 Be7 35. Rbb2 Rd8+ 36. Ke2 Rdc8 37. Kd3 Kf7 38. Be1 Rd8+ 39. Ke2 Rcd5 40. Rb7 R8d7 41. Rxd7 Rxd7 42. Bf2 Ke6 43. h3 Bd6 44. Rd2 Rb7 45. Ra2 f5 46. Rc2 Rb3 47. Be1 h5 48. Bd2 Ra3 49. Rc6 Ra4 50. Rb6 Kd5 51. Rb7 Ke6 52. Rb6 e4 53. fxe4 Rxe4+ 54. Kf3 Kd5 55. Rb5+ Ke6 56. Rb6 g5 57. Bxg5 Kd5 58. Rb5+ Ke6 59. Rb6 Ra4 60. Be3 Ra3 61. Ke2 Kd5 62. Rb5+ Ke4 63. Bd2 Ra2 64. Kd1 Be5 65. Rb4+ Kd3 66. Rb3+ Kc4 67. Rf3 f4 68. Bxf4 Bc3 69. g3 Rh2 70. g4 Rh1+ 71. Ke2 hxg4 72. hxg4 Bd4 73. Bg3 Kd5 74. Rf5+ Ke4 75. Rf4+ Kd5 76. g5 Ra1 77. Kf3 Rg1 78. Rf5+ Ke6 79. Rf4 Be5 80. Rg4 Bxg3 81. Rxg3 Rxg3+ 82. Kxg3 Kf5 83. Kh4 Kg6 84. Kg4 Kg7 85. Kf5 Kf7 86. g6+ Kg7 87. Kg5 Kg8 88. Kh5 Kg7 89. Kg5 Kg8 90. Kh6 Kh8 91. g7+ Kg8 92. Kg6 1/2-1/2
2022.09.27 Titled Tuesday 2022.09.27 Late
214640 Melkumyan, Hrant (2645) Preotu, Razvan (2450) 1-0
1. Nf3 c5 2. c4 Nc6 3. Nc3 g6 4. e3 Nf6 5. d4 cxd4 6. exd4 d5 7. cxd5 Nxd5 8. Qb3 Nxc3 9. Bc4 Nd5 10. Bxd5 e6 11. Bxc6+ bxc6 12. O-O Qd5 13. Be3 f6 14. Rfc1 Be7 15. Nd2 Kf7 16. Qc3 Bb7 17. f3 Rhd8 18. Ne4 a5 19. Qe1 g5 20. b3 Qf5 21. Qg3 Rac8 22. Rc3 h5 23. Rac1 h4 24. Qf2 Rd5 25. h3 Ra8 26. a4 Rb8 27. Nc5 Bc8 28. Qe1 e5 29. dxe5 Qxe5 30. Qf2 Bxc5 31. Bxc5 Be6 32. Re3 Qg3 33. Qe2 Re5 34. Rxe5 Qxe5 35. Qxe5 fxe5 36. Bd6 Rc8 37. Rc3 c5 38. Bxe5 c4 39. bxc4 Rxc4 40. Ra3 Bd7 41. Rd3 Bxa4 42. Rd6 Rc6 43. Rd5 Ra6 44. Bc3 Bb3 45. Rxg5 a4 46. Rg7+ Kf8 47. Rb7 Bd5 48. Bb4+ Kg8 49. Rd7 Be6 50. Re7 Rb6 51. Bc5 Ra6 52. Ba3 Rb6 53. Ra7 Bb3 54. Ra5 Rc6 55. Rg5+ Kf7 56. Rg4 Rc4 57. Kf2 Rxg4 58. hxg4 Kg6 59. Ke3 Bd5 60. Be7 Bc6 61. Bxh4 a3 62. Be1 a2 63. Bc3 Bb7 64. Kf2 Bc6 65. Kg3 Bb7 66. f4 Be4 67. Kh3 Bd5 68. g3 Bf3 69. Kh4 Be4 70. f5+ Kh6 71. g5+ Kh7 72. g6+ Kh6 73. Kg4 Bd5 74. Kf4 Bc6 75. g4 Be8 76. Bf6 Bxg6 77. fxg6 Kxg6 1-0
2022.03.01 Titled Tuesday 2022.03.01 Late
237478 Thavandiran, Shiyam (2420) Melkumyan, Hrant (2649) 1-0
1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Bd3 O-O 8. Qc2 Re8+ 9. Ne2 h5 10. O-O Nd7 11. Ng3 h4 12. Nf5 Nf8 13. Nxh4 Qc7 14. h3 g6 15. Bh6 Be6 16. Rae1 a5 17. a3 b5 18. Qd2 Bd5 19. Rxe8 Rxe8 20. Re1 Rxe1+ 21. Qxe1 Ne6 22. Bd2 Bh2+ 23. Kf1 Bf4 24. g3 Bxd2 25. Qxd2 c5 26. Bxb5 cxd4 27. cxd4 Qb6 28. Be2 Nxd4 29. Ng2 Bc6 30. Ne3 a4 31. h4 Qa7 32. Bc4 Be4 33. Qb4 Kg7 34. Qd6 Nf3 35. Ng4 f5 36. Qf6+ Kh7 37. Nh6 Nd2+ 38. Ke2 Nxc4 39. Nxf7 1-0
2015.12.08 London Classic op
219984 Melkumyan, Hrant (2632) Hansen, Eric (2573) 1/2-1/2
1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. d4 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Qxc4 Bc6 10. Bg5 Nbd7 11. Nc3 a5 12. Rfd1 h6 13. Bxf6 Nxf6 14. Ne5 Bxg2 15. Kxg2 c6 16. e4 Qb6 17. Qe2 Rfd8 18. Nf3 Bb4 19. Rac1 Qa6 20. Qc2 Rac8 21. e5 Nd5 22. Ne4 Be7 23. b3 Nb4 24. Qc4 Qxc4 25. bxc4 c5 26. dxc5 Nd3 27. Rb1 Bxc5 28. Kf1 Bb4 29. Ke2 f5 30. Nd6 Bxd6 31. exd6 Nc5 32. Kf1 Ne4 33. Rxb7 Rxd6 34. Rxd6 Nxd6 35. Rb6 Ne4 36. Ne5 Nd2+ 37. Kg2 Nxc4 38. Rxe6 Nb2 39. Ra6 Rc5 40. Ra8+ Kh7 41. Nd7 Rc2 42. Nf8+ Kg8 43. Ne6+ Kf7 44. Nd4 Rc5 45. Ra7+ Kf6 46. Ra6+ Kf7 47. Ne6 Rc2 48. Nf4 Nd1 49. Rxa5 Rxf2+ 50. Kg1 Ra2 51. Rxf5+ Kg8 52. a5 Ne3 53. Rc5 g5 54. Nd5 Nxd5 55. Rxd5 g4 56. Rd6 Rxa5 57. Rxh6 Ra1+ 58. Kf2 Ra2+ 59. Ke3 Kg7 60. Rh4 Kf6 61. Ke4 Ra4+ 62. Kd5 Ra5+ 63. Kc4 Ra2 64. Kb3 Re2 65. Rxg4 Rxh2 66. Rh4 Rxh4 67. gxh4 Kg6 68. h5+ Kxh5 1/2-1/2
2010.02.11 Aeroflot op A
105662 Melkumyan, Hrant (2583) Bareev, Evgeny (2643) 1/2-1/2
1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bd6 9. O-O O-O 10. Qc2 Bb7 11. a3 a5 12. e4 e5 13. dxe5 Nxe5 14. Nxe5 Bxe5 15. h3 Re8 16. Be3 h6 17. Rae1 Qc7 18. f4 Bxc3 19. bxc3 c5 20. e5 c4 21. Bf5 Nd5 22. Bd4 b4 23. e6 f6 24. Qf2 b3 25. Qg3 Ne7 26. Bb1 Rf8 27. Re3 Rad8 28. Rd1 Rd5 29. Qg4 h5 30. Qh4 Qd6 31. Be4 Rb5 32. Bxb7 Rxb7 33. Qxh5 Qxf4 34. Ree1 Qf5 35. Qe2 Rc8 36. Rf1 Qg6 37. Rd2 a4 38. Kh2 Rb5 39. Rf4 Nf5 40. e7 Qg3+ 41. Kg1 Qxf4 42. e8=Q+ Rxe8 43. Qxe8+ Kh7 44. Qxb5 Qxd2 45. Qxf5+ Kg8 46. Qe6+ Kh7 47. Qe4+ Kh8 48. Qe8+ 1/2-1/2