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First test of Vitruvius, a long-time game on Playchess.com.

It's noteworthy that the opponent had a much more powerful computer, in addition, Rybka was in SSE-4.2 version, while Vitruvius not.

As usual, Vitruvius has made a positional sacrifice of quality!

Black: Deep Rybka 4.1 SSE42 x64lp (12 cores): 26.6 plies; 948kN/s Intel(R) Xeon(R) CPU X5680 @ 3.33GHz 4077MHz, Prodigy 5.ctg, 1024 MB

[Event "Partita con Elo, 60m + 15s"]

[Site "Gioco con programmi"]

[Date "2011.09.16"]

[Round "?"]

[White "Mortal_Sin, Vitruvius 0.83beta"]

[Black "Fredi_z, Deep Rybka 4.1 SSE4"]

[Result "1/2-1/2"]

[BlackElo "2680"]

[ECO "B90"]

[EventDate "2011.09.16"]

[Annotator "0.03;0.25"]

[PlyCount "201"]

[TimeControl "3600+15"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be3 e5 7.Nb3 Be6 8.f3 h5 9.Be2 Nbd7 10.Nd5 Bxd5 11.exd5 g6 12.Qd2 Bg7 13.O-O O-O 14.Rac1 e4 15.f4 Ng4 16.Bxg4 hxg4 17.Nd4 Bxd4 18.Bxd4 f5 19.c4 Rf7 20.b4 a5 21.a3 b6 22.Rc2 a4 23.Qd1 Rh7 24.Rc3 Kf7 25.Qd2 Nf6 26.Rd1 Nd7 27.Rdc1 Rc8 28.Qc2 Ra8 29.Qf2 Kg8 30.Rg3 Kf7 31.Qe3 Nf6 32.Bxb6 Qe7 33.Bd4 Nh5 34.Qf2 Nxg3 35.Qxg3 Re8 36.Rc3 Qd8 37.Qf2 g5 38.fxg5 Qxg5 39.g3 Kg6 40.Be3 Qe7 41.Rc2 Qe5 42.Qf4 Qxf4 43.Bxf4 Rd8 44.b5 Kf6 45.Kf1 Rdd7 46.Rb2 Ke7 47.Bg5+ Kf7 48.b6 Rb7 49.Be3 Rh3 50.Rb4 Rxh2 51.Rxa4 Ra2 52.Ra8 Ra1+ 53.Ke2 Ra2+ 54.Ke1 f4 55.gxf4 g3 56.Kf1 Kf6 57.Rf8+ Kg7 58.Rf5 Rxa3 59.Bd4+ Kh6 60.c5 dxc5 61.Bxc5 Rc3 62.d6 Rc2 63.Rd5 Rd7 64.Bd4 g2+ 65.Kg1 Re2 66.Bf6 e3 67.f5 Rf2 68.Rd3 Rxf5 69.Bc3 Rg5 70.Rxe3 Rxd6 71.b7 Rb5 72.Re7 Rb3 73.Be1 Ra6 74.Bd2+ Kg6 75.Kxg2 Ra2 76.Rd7 Kf5 77.Kf1 Rab2 78.Ke1 Rh3 79.Rd5+ Ke4 80.Rd7 Rb1+ 81.Kf2 Kf5 82.Ke2 Rb2 83.Kd1 Rh1+ 84.Be1 Ke6 85.Rc7 Kf6 86.Rd7 Rg1 87.Rc7 Rb1+ 88.Kd2 Ke6 89.Rh7 Kd5 90.Rd7+ Kc6 91.Rh7 Rgxe1 92.b8=Q Rxb8 93.Kxe1 Rb2 94.Rh3 Rc2 95.Ra3 Rb2 96.Ra1 Rg2 97.Rc1+ Kd7 98.Rd1+ Kc6 99.Rc1+ Kd5 100.Rd1+ Kc6 101.Rc1+ 1/2-1/2

It's noteworthy that the opponent had a much more powerful computer, in addition, Rybka was in SSE-4.2 version, while Vitruvius not.

As usual, Vitruvius has made a positional sacrifice of quality!

Black: Deep Rybka 4.1 SSE42 x64lp (12 cores): 26.6 plies; 948kN/s Intel(R) Xeon(R) CPU X5680 @ 3.33GHz 4077MHz, Prodigy 5.ctg, 1024 MB

[Event "Partita con Elo, 60m + 15s"]

[Site "Gioco con programmi"]

[Date "2011.09.16"]

[Round "?"]

[White "Mortal_Sin, Vitruvius 0.83beta"]

[Black "Fredi_z, Deep Rybka 4.1 SSE4"]

[Result "1/2-1/2"]

[BlackElo "2680"]

[ECO "B90"]

[EventDate "2011.09.16"]

[Annotator "0.03;0.25"]

[PlyCount "201"]

[TimeControl "3600+15"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be3 e5 7.Nb3 Be6 8.f3 h5 9.Be2 Nbd7 10.Nd5 Bxd5 11.exd5 g6 12.Qd2 Bg7 13.O-O O-O 14.Rac1 e4 15.f4 Ng4 16.Bxg4 hxg4 17.Nd4 Bxd4 18.Bxd4 f5 19.c4 Rf7 20.b4 a5 21.a3 b6 22.Rc2 a4 23.Qd1 Rh7 24.Rc3 Kf7 25.Qd2 Nf6 26.Rd1 Nd7 27.Rdc1 Rc8 28.Qc2 Ra8 29.Qf2 Kg8 30.Rg3 Kf7 31.Qe3 Nf6 32.Bxb6 Qe7 33.Bd4 Nh5 34.Qf2 Nxg3 35.Qxg3 Re8 36.Rc3 Qd8 37.Qf2 g5 38.fxg5 Qxg5 39.g3 Kg6 40.Be3 Qe7 41.Rc2 Qe5 42.Qf4 Qxf4 43.Bxf4 Rd8 44.b5 Kf6 45.Kf1 Rdd7 46.Rb2 Ke7 47.Bg5+ Kf7 48.b6 Rb7 49.Be3 Rh3 50.Rb4 Rxh2 51.Rxa4 Ra2 52.Ra8 Ra1+ 53.Ke2 Ra2+ 54.Ke1 f4 55.gxf4 g3 56.Kf1 Kf6 57.Rf8+ Kg7 58.Rf5 Rxa3 59.Bd4+ Kh6 60.c5 dxc5 61.Bxc5 Rc3 62.d6 Rc2 63.Rd5 Rd7 64.Bd4 g2+ 65.Kg1 Re2 66.Bf6 e3 67.f5 Rf2 68.Rd3 Rxf5 69.Bc3 Rg5 70.Rxe3 Rxd6 71.b7 Rb5 72.Re7 Rb3 73.Be1 Ra6 74.Bd2+ Kg6 75.Kxg2 Ra2 76.Rd7 Kf5 77.Kf1 Rab2 78.Ke1 Rh3 79.Rd5+ Ke4 80.Rd7 Rb1+ 81.Kf2 Kf5 82.Ke2 Rb2 83.Kd1 Rh1+ 84.Be1 Ke6 85.Rc7 Kf6 86.Rd7 Rg1 87.Rc7 Rb1+ 88.Kd2 Ke6 89.Rh7 Kd5 90.Rd7+ Kc6 91.Rh7 Rgxe1 92.b8=Q Rxb8 93.Kxe1 Rb2 94.Rh3 Rc2 95.Ra3 Rb2 96.Ra1 Rg2 97.Rc1+ Kd7 98.Rd1+ Kc6 99.Rc1+ Kd5 100.Rd1+ Kc6 101.Rc1+ 1/2-1/2

Here (http://deepsaros.jimdo.com/):

Linux 64 bit, Windows 32 and 64 bits, standard and with POPCNT support.

See the ReadMe.txt file.

Carotino.

Linux 64 bit, Windows 32 and 64 bits, standard and with POPCNT support.

See the ReadMe.txt file.

Carotino.

In three games with 5min+6seconds each V got 2½, and the draw was a very interesting escape, I was expecting a 0-1 result a couple of times, but it seems to actually be a draw.

[White "Stockfish-211-64-ja"]

[Black "Vitruvius-083b-w64"]

[Result "1/2-1/2"]

[FEN "5bk1/1p1b1p1p/3p2p1/q2P2P1/ppBP1B2/4P1P1/P1Q2K1P/8 w - - 0 29"]

[PlyCount "124"]

29. e4 b3 30. axb3 a3 31. Bd2 Qa7 32. Bc3 a2 33. Ba1 b5 34. Be2 h6 35. gxh6

Bxh6 36. Qc3 Qa3 37. Ke1 b4 38. Qc2 Kg7 39. h4 Bh3 40. Bf3 Qa6 41. Qc4 Qa5 42.

Kd1 Qa3 43. Ke1 Bd7 44. Bd1 Bb5 45. Qc7 (45. Qxb5 Qc1 {-+}) 45... Bd3 46. e5

Qc1 47. Qxc1 Bxc1 48. Be2 Bxe2 49. Kxe2 f5 50. exf6+ $2 (50. Kd1) 50... Kxf6

51. g4 Bf4 52. Kd1 Bg3 53. h5 gxh5 54. gxh5 Kg5 55. Kc2 Bf2 (55... Kxh5 56. Kb2

Kg4 57. Kxa2 Kf3 58. Kb2 Ke4 59. Kc2 Bf4 60. Bb2 Be3 61. Kb1 Kd3 {transposes})

56. Kb2 Kxh5 57. Kxa2 Kg4 58. Bb2 Kf3 59. Kb1 Be3 60. Kc2 Ke4 61. Kb1 Kd3 62.

Ka2 Kc2 63. Ba1 Bf2 (63... Bd2 64. Bb2 Bc3 65. Bc1 Bxd4) 64. Bb2 Bg1 (64... Be1

65. Ba1 Bc3 66. Bb2 Kd1 (66... Bd2 67. Ba1 $11) 67. Bc1 Bd2 68. Bb2 Kc2 69. Ba1

$11) 65. Ba1 Be3 66. Bb2 Bf2 67. Ba1 Kd3 68. Bb2 Ke4 69. Kb1 Bxd4 70. Bc1 Be3

71. Bb2 Kxd5 72. Kc2 Bd4 73. Bc1 Ke4 74. Bd2 Bc5 75. Bg5 d5 76. Kd2 d4 77. Bh6

Be7 78. Bg7 d3 79. Bh6 Bf6 80. Bf8 Bc3+ 81. Kd1 Kd4 82. Bg7+ Ke3 83. Bf8 Kf4

84. Bd6+ Kf5 85. Bf8 Ke4 86. Be7 Kd4 87. Bf8 Ke5 88. Bh6 Kf6 89. Bf4 Kf5 90.

Bd6 Ke6 1/2-1/2

I was inspired by the great Houdini for this, it's a true master in the art of escape from rough situations! Even Vitruvius often, succeeds draw (or even win!) in situations apparently compromised. This has happened in many games test.

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