OpenChess

TripleBase caused IvanHoe to draw a winning position:
[Event "Microsoft, Blitz:2'+2"]<br> [Site "VirtualBox"]<br> [Date "2011.09.29"]<br> [Round "1"]<br> [White "Houdini 1.5a x64"]<br> [Black "IvanHoe 0B.09.1D x64"]<br> [Result "1/2-1/2"]<br> [BlackElo "2000"]<br> [ECO "D02"]<br> [Opening "Queen's Pawn"]<br> [Variation "3.g3 c6"]<br> [WhiteElo "2000"]<br> [TimeControl "120+2"]<br> [Termination "normal"]<br> [PlyCount "167"]<br> <br> <br> {Dual Core, Ponder-Off W=19.5 ply; 2,981kN/s B=19.3 ply;<br> 2,785kN/s; 2,092,380 TBAs} 1. h3 e5 2. c3 d5 3. d4 Nc6 4. Be3 Nf6 {Both<br> last book move} 5. dxe5 Nxe5 6. Nf3 Nc4 7. Bf4 Nxb2 8. Qb3 Nc4 9. e3 Nb6<br> 10. Bb5+ c6 11. Bd3 Bd6 12. Bxd6 Qxd6 13. O-O Be6 14. Qb2 O-O 15. Nbd2 Rfe8<br> 16. Bc2 Rab8 17. Rfd1 Qe7 18. Rab1 Nc8 19. Nd4 Nd6 20. a4 Bd7 21. Qb3 b6<br> 22. Ne2 c5 23. Ng3 Bc6 24. a5 g6 25. Qa3 Nd7 26. Qb2 bxa5 27. Qa2 Rxb1 28.<br> Rxb1 Nb7 29. Ba4 Qd6 30. Nb3 Bxa4 31. Qxa4 Qc7 32. Ra1 Re6 33. Qa2 Nf6 34.<br> Ne2 c4 35. Nbd4 Ra6 36. Nb5 Qd7 37. Nbd4 a4 38. Qa3 Qc7 39. Nf4 Nc5 40. Rd1<br> Rb6 41. Rf1 Qd6 42. Ra1 a6 43. h4 Nce4 44. Qxa4 Nxc3 45. Qc2 Nce4 46. f3<br> Ng3 47. Rd1 Qe5 48. Qd2 Nfh5 49. Nxh5 Nxh5 50. g4 Nf6 51. Kg2 Nd7 52. Re1<br> Nc5 53. Re2 Nd3 54. Qa5 Qd6 55. h5 gxh5 56. Nf5 Qd8 57. Kg3 hxg4 58. fxg4<br> h5 59. Qxd5 Qxd5 60. Ne7+ Kf8 61. Nxd5 Rg6 62. Kh4 hxg4 63. Kg3 Nc5 64. e4<br> a5 65. Nc3 a4 66. Rh2 a3 67. Rh5 Rc6 68. Kxg4 Kg7 69. Kf4 Rf6+ 70. Kg4 a2<br> 71. Nxa2 Nxe4 72. Re5 Rf2 73. Rxe4 f5+ 74. Kg3 fxe4 75. Kxf2 Kf6 76. Ke3<br> Kf5 77. Nc3 Kg5 78. Nxe4+ Kh6 79. Nd6 c3 80. Kd3 Kg7 81. Ne8+ Kh8 82. Kc2<br> Kg8 83. Nf6+ Kh8 84. Kxc3 {Draw accepted Insufficient material} 1/2-1/2

And caused a drawn position to be lost:
[Event "Microsoft, Blitz:2'+2"]<br> [Site "VirtualBox"]<br> [Date "2011.09.29"]<br> [Round "3"]<br> [White "Houdini 1.5a x64"]<br> [Black "IvanHoe 0B.09.1D x64"]<br> [Result "1-0"]<br> [BlackElo "2000"]<br> [ECO "A31"]<br> [Opening "English"]<br> [Variation "Symmetrical, Two Knights, 4...Nc6 5.Nc3"]<br> [TimeControl "120+2"]<br> [Termination "normal"]<br> [PlyCount "195"]<br> <br> {Dual Core, Ponder-Off W=17.7 ply; 2,890kN/s B=17.9 ply;<br> 2,725kN/s; 2,602,185 TBAs} 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 e5 {Both<br> last book move} 5. Nb5 d6 6. Bg5 Nc6 7. e3 Be6 8. Be2 a6 9. Bxf6 gxf6 10.<br> N5c3 f5 11. Nd5 Bg7 12. O-O O-O 13. Nbc3 Rb8 14. Qd2 Rc8 15. Rad1 Kh8 16.<br> b3 Rg8 17. Na4 e4 18. Nab6 Be5 19. f4 exf3 20. Bxf3 Rb8 21. Qf2 Rg7 22. Qe2<br> Kg8 23. a4 a5 24. Rd2 Nb4 25. Qd1 Na6 26. g3 Nc5 27. Rg2 Rg5 28. Kh1 Kh8<br> 29. Be2 Rg7 30. Qc2 Qg5 31. Nf4 Qh6 32. Kg1 Re8 33. Bf3 Kg8 34. Nbd5 Kh8<br> 35. Nc7 Reg8 36. Nb5 Bd7 37. Nd4 Qg5 38. Bd5 h5 39. Kh1 Rh7 40. Nf3 Qh6 41.<br> Nh4 Qg5 42. Rd2 Re8 43. Bg2 Ne4 44. Rd5 b6 45. Rdd1 Nf6 46. Nd3 Qxe3 47.<br> Rfe1 Qh6 48. Nxe5 dxe5 49. Qc3 Qg7 50. Rxe5 Ng8 51. Rdd5 Rh6 52. Qe3 Rxe5<br> 53. Rxe5 Rd6 54. Bd5 Qf6 55. Ng2 Nh6 56. h3 Kh7 57. Qe1 Qg5 58. Qf2 Bc6 59.<br> Bxc6 Rxc6 60. Nf4 Rd6 61. Rd5 Rxd5 62. Nxd5 Qc1+ 63. Kg2 Qb1 64. Qe3 Qd1<br> 65. Kh2 Qc2+ 66. Kg1 Qb1+ 67. Kf2 Ng8 68. Qxb6 Qc2+ 69. Ke3 Qe4+ 70. Kd2<br> Qg2+ 71. Kd3 Qe4+ 72. Kc3 Qe1+ 73. Kd4 Ne7 74. Nf6+ Kg7 75. Nxh5+ Kh7 76.<br> Nf6+ Kg7 77. Nd5 Qa1+ 78. Kc5 Qa3+ 79. Kb5 Nxd5 80. cxd5 Qxb3+ 81. Kc6 Qc4+<br> 82. Kd6 Qxa4 83. Qb2+ f6 84. Qb7+ Kg6 85. Kc7 Qc4+ 86. Kd7 a4 87. Ke8 Qd4<br> 88. Kf8 f4 89. Qg7+ Kh5 90. Qg4+ Kh6 91. Qxf4+ Qxf4 92. gxf4 a3 93. d6 a2<br> 94. d7 a1=Q 95. d8=Q Qc3 96. Qb6 Qxh3 97. Qxf6+ Kh7 98. Qg7# 1-0