World Computer-Chess Championship



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Bulletin 4
May 27, 2006
14th World Computer-Chess Championship

11th Computer Olympiad

Turin, Italy

May 26, the fourth round started with a protest on the code of one of the programs. It gave a delay of the start of the round for at least one match. The tournament director and the assistant tournament director decided to investigate this situation seriously and after one hour the round was in full swing. Since the investigations are not definitely concluded we restrict ourselves to the results of this round. The top meeting Junior-Shredder was an exciting fight in which Junior reached a winning position but Shredder had much counterplay in a very tactical situation. The unbalanced material at both sides gave black unexpected changes. With many tactical tricks black even managed to keep the position. The draw that resulted kept both programs at the first place. World champion Zappa did not manage to reach also a top position since it had to concede in a draw to Rajlich. The game was a tough fight but no side ever had a real chance to win. Diep played with black a Sicilian game to Lion++ and won convincingly. So it came next to Zappa on a tight third place. Jonny won against Chiron whereas Crafty drew against Spike. The game was rather long but the result was fair. ParSOS and Isichess catched up their position and are now at 50%. By winning its game against Etabeta FibChess left the last position and scored its first point.





Round 4










Junior

Rajlich


Lion++ 1.5

Crafty


Jonny

Delfi 4.6

Chaturanga

IsiChess MMX

FibChess


0.5

0.5


0

0.5


1

0.5


0

1

1



0.5

0.5


1

0.5


0

0.5


1

0

0



Shredder

Zappa


Diep

Spike


Chiron

Ikarus


ParSOS

Uragano3d



Etabeta



TOURNAMENT TABLE





program

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

tot

1

Chaturanga

x
















1




0







0

0



















2

Chiron




x






















0







1







0.5




0




3

Crafty







x













1



















0

0.5

1







4

Delfi 4.6










x







1

0.5







0

0






















5

Diep













x




1




1







1




0
















6

ETABETA
















x




0













0










0







7

FibChess

0







0

0




x





































8

Ikarus







0

0.5




1




x







0

























9

IsiChess

MMX


1










0










x
















0




1







10

Jonny




1






















x
















0

1

0.5




11

Junior










1










1







x










0.5

1










12

LION++ 1.5

1







1

0



















x
















0




13

ParSOS

1

0










1



















x




0













14

Rajlich













1






















1

x

0







0.5




15

Shredder







1
















1




0.5







1

x













16

Spike

0.5




0.5



















1

0













x










17

Uragano3d







0







1







0

0



















x







18

Zappa




1






















0.5




1




0.5










x




PROGRESS TABLE





program

1

2

3

4

5

6

7

8

9

10

11

(tied) place

1

Chaturanga

0

0

1

1

























2

Chiron

0.5

1.5

1.5

1.5

























3

Crafty

1

1

2

2.5

























4

Delfi 4.6

0

1

0

1.5

























5

Diep

1

1

2

3

























6

ETABETA

0

0

0

0

























7

FibChess

0

0

0

1

























8

Ikarus

1

1

1

1.5

























9

IsiChess

MMX


0

1

1

2

























10

Jonny

0.5

0.5

1.5

2.5

























11

Junior

1

2

3

3.5

























12

LION++ 1.5

1

1

1

2

























13

ParSOS

0

0

1

2

























14

Rajlich

1

2

2

2.5

























15

Shredder

1

2

3

3.5

























16

Spike

0.5

1.5

1.5

2

























17

Uragano3d

0

1

1

1

























18

Zappa

0.5

1.5

2.5

3



























Round 5










Shredder

Diep


Crafty

ParSOS


Spike

Ikarus


Chiron

Uragano3dichEtabeta









Zappa

Junior


Rajlich

Jonny


Lion++1.5

IsiChess MMX

Delfi 4.6

FibChess


Chaturanga

Junior-Shredder

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3 Nbd7 9. Qd2 Be7 10. g4 O-O 11. O-O-O b5 12. g5 Nh5 13. Nd5 Bxd5 14. exd5 b4 15. Kb1 a5 16. Bb5 a4 17. Nc1 a3 18. Nd3 Rb8 19. Bc6 axb2 20. Rhg1 Qc7 21. Rg4 f5 22. Rxb4 f4 23. Bf2 Bxg5 24. c3 Kh8 25. Qc2 Nhf6 26. Rg1 Bh6 27. Qa4 Nb6 28. Qa5 Nbxd5 29. Qxc7 Nxc7 30. Rxb8 Rxb8 31. Nb4 Ne6 32. Rd1 e4 33. a4 exf3 34. a5 Ng4 35. Rd2 Nxf2 36. Rxf2 Nc7 37. a6 Nxa6 38. Nxa6 Rb3 39. Rxf3 g5 40. Bd5 Rb5 41. Bc4 Rb7 42. Nb4 g4 43. Rd3 Bg7 44. Rxd6 Bxc3 45. Nd5 Bd2 46. Nf6 Bc3 47. Nxg4 Kg7 48. Rd5 Ra7 49. Ba2 h6 50. h4 Ra4 51. Nh2 Re4 52. Rd1 Re3 53. Rg1+ Rg3 54. Rf1 Re3 55. Nf3 Kg6 56. Bb3 Kf5 57. h5 Re7 58. Rd1 Kg4 59. Bd5 1/2-1/2
Rajlich-Zappa

1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 c6 5. e3 Nbd7 6. Qc2 Bd6 7. Be2 O-O 8. O-O dxc4 9. Bxc4 Qe7 10. Ne2 e5 11. Ng3 g6 12. Bb3 e4 13. Ng5 Bxg3 14. fxg3 Nb6 15. Qc5 Qxc5 16. dxc5 Nbd7 17. Bd2 h6 18. Nh3 a5 19. Rac1 a4 20. Bc2 Re8 21. Bb1 a3 22. b3 Nd5 23. Nf4 N7f6 24. Nxd5 Nxd5 25. Rc4 f5 26. g4 Be6 27. gxf5 gxf5 28. Bc2 Red8 29. Rd4 Rd7 30. Rd1 h5 31. Bc1 Nf6 32. Ra4 Rxa4 33. bxa4 Bxa2 34. Bxa3 Rd5 35. Rxd5 Nxd5 36. Kf2 h4 37. Bd1 Bc4 38. Bb2 Nb4 39. Bd4 Nd3+ 40. Kg1 Kf7 41. Bh5+ Ke6 42. a5 Nc1 43. Bd1 Be2 44. Ba4 Kd5 45. Bf6 h3 46. gxh3 Bh5 47. h4 Kxc5 48. Bg5 Nd3 49. Kg2 f4 50. Bxf4 Nxf4+ 51. exf4 e3 52. Kf1 Kd4 53. a6 bxa6 54. Bxc6 a5 55. h3 Kd3 1/2-1/2


Lion-Diep

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. Qd2 Be7 9. f3 O-O 10. O-O-O Nbd7 11. g4 b5 12. g5 b4 13. Ne2 Ne8 14. f4 a5 15. f5 a4 16. Nbd4 exd4 17. Nxd4 b3 18. Kb1 bxc2+ 19. Nxc2 Bb3 20. axb3 axb3 21. Na3 Ne5 22. h4 Ra5 23. Qc3 Qa8 24. Bg2 Nc7 25. Qxc7 Rc8 26. Qxe7 Nc4 27. Bc5 Rxa3 28. bxa3 Rxc5 29. Qxd6 Nxa3+ 30. Kb2 Nc4+ 31. Kc3 Nxd6+ 32. Kd3 b2 33. Ke3 Rc3+ 34. Kf4 Qa7 35. Rh3 Rxh3 36. Bxh3 Qf2+ 37. Ke5 Nc4+ 38. Kd5 Ne3+ 39. Ke5 0-1


Crafty-Spike

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. c4 Be7 6. d4 O-O 7. Bd3 Ng5 8. Nxg5 Bxg5 9. Qh5 Re8+ 10. Kd1 h6 11. Bxg5 Qxg5 12. Qxg5 hxg5 13. Nc3 Bd7 14. h4 g4 15. Nd5 Na6 16. Kd2 Be6 17. Rhe1 c6 18. Ne3 Rad8 19. Bf5 Bxf5 20. Nxf5 Re6 21. Rxe6 fxe6 22. Ne3 e5 23. dxe5 dxe5+ 24. Ke2 Nc5 25. Nxg4 Rd4 26. f3 Rxc4 27. Rd1 e4 28. Rd2 Rb4 29. g3 Kf7 30. b3 a5 31. Ne3 a4 32. Nc2 exf3+ 33. Kxf3 Rb5 34. b4 Ne6 35. Ke4 Kf6 36. Rf2+ Kg6 37. g4 Rd5 38. Ne3 Rd7 39. Ng2 Kh7 40. Ke5 Nc7 41. Ne3 a3 42. h5 Nd5 43. Nc2 Nf6 44. Rg2 Rd3 45. Kf4 Nd5+ 46. Kg5 Rc3 47. Rd2 b5 48. Re2 Rc4 49. Nxa3 Rxb4 50. Nc2 Rc4 51. Ne1 Nf6 52. Rg2 Rc5+ 53. Kh4 Rc3 54. Rg3 Rc4 55. Nf3 c5 56. Rg2 b4 57. Kg5 Rc1 58. Rb2 Kg8 59. Ne5 Rf1 60. Re2 Kh7 61. Nd3 Rd1 62. Ne5 Rd5 63. Kh4 Kg8 64. Kg3 Rd4 65. Rc2 Ne4+ 66. Kf4 Nc3+ 67. Kf5 Rd6 68. g5 Rd8 69. h6 gxh6 70. gxh6 Kh7 71. Nf7 Rf8 72. Ke6 Re8+ 73. Kd7 Rg8 74. Kd6 Rf8 75. Ne5 c4 76. Nc6 Rf6+ 77. Kd7 Nxa2 78. Rxa2 b3 79. Rb2 Rf3 80. Ne5 c3 81. Rxb3 c2 82. Rxf3 c1=Q 83. Rf6 Qc5 84. Ke6 Qd4 85. Kf5 Qc5 86. Re6 Qf2+ 87. Kg5 Qd2+ 1/2-1/2

Jonny-Chiron

1.c4 Nf6 2.d4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Nf3 c5 7.d5 e5 8.O-O Na6 9.Bg5 Qb6 10.b3 Re8 11.Qd2 Bd7 12.Rfb1 Nc7 13.a3 a5 14.Ra2 Ref8 15.Ne1 Ng4 16.h3 Nf6 17.Nd3 Rfb8 18.b4 cxb4 19.axb4 Qd4 20.bxa5 Nxe4 21.Nxe4 Qxe4 22.Rab2 Qd4 23.Be3 Qh4 24.R2xb7 Qd8 25.R7xb8 Rxb8 26.Rb6 Bf8 27.Qa2 Na8 28.Rxb8 Qxb8 29.a6 Qc7 30.a7 e4 31.Nf4 Qb7 32.c5 dxc5 33.Ne6 Be7 34.Nxc5 Bxc5 35.Bxc5 h5 36.Ba6 Qc7 37.Be3 Qd6 38.Bb7 1-0


Delfi-Ikarus

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 Bc5 6. O-O d6 7. Bg5 b5 8. Bb3 h6 9. Bxf6 Qxf6 10. Nc3 O-O 11. a4 Bg4 12. Nd5 Qd8 13. c3 Na5 14. Bc2 c6 15. Ne3 Bxe3 16. fxe3 Qb6 17. Qd2 c5 18. Bd1 Bxf3 19. Rxf3 b4 20. c4 Qd8 21. Qf2 Ra7 22. Rg3 Kh8 23. Bh5 Qe8 24. Rf3 Qd7 25. Qc2 Nc6 26. Raf1 f6 27. Qd1 Rb7 28. b3 Rc7 29. Rg3 Qe6 30. Bg6 Ne7 31. Qh5 Qg8 32. Rff3 Nxg6 33. Rxg6 Rff7 34. Rg4 Rcd7 35. Qf5 Rde7 36. Rh3 Qf8 37. Rgh4 Rc7 38. Rh5 Rce7 39. Kh1 Qg8 40. R5h4 Qf8 41. Rg3 Qe8 42. Rh5 Rb7 43. Kg1 Rfe7 44. Rgh3 Rbc7 45. R5h4 Rb7 46. Kh1 Ra7 47. Rh5 Rad7 48. R3h4 Rb7 49. Kg1 Kg8 50. Rh3 Rbd7 51. Rg3 Kh8 52. Rh4 Qf7 53. Kh1 Qe8 54. Rf3 Rf7 55. Kg1 Rfe7 56. Kf1 Qf7 57. Rfh3 Qe8 58. Rh5 Rc7 59. Kg1 Rcd7 60. Kh1 Rb7 61. Rf3 Qf7 62. Rh4 Rbd7 63. Rfh3 Qe8 64. Rg3 Qf8 65. Rh5 Qf7 66. Rhh3 Qe8 67. Kg1 Qf7 68. Rf3 Re8 69. Rh4 Ree7 70. Rfh3 Qe8 71. Rh5 Rc7 72. Rf3 Rc8 73. Kh1 Rd8 74. Rfh3 Rdd7 75. R3h4 Rb7 76. Kg1 Kg8 77. Rh3 Rbd7 78. Rg3 Kh8 79. Rh4 Qf7 80. Rf3 Qe8 81. Rg4 Re6 82. Rh3 Ree7 83. Kh1 1/2-1/2


Chaturanga-ParSOS

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 Ne7 9. Bxf6 gxf6 10. d4 c6 11. Bd3 Ng6 12. Qb1 Nf4 13. Qb2 Qd7 14. Ne1 Qg4 15. Rb1 b5 16. Qb4 Rd8 17. Qa5 Be6 18. f3 Qg5 19. Kh1 a6 20. Rf2 d5 21. Rd1 Nxd3 22. cxd3 exd4 23. cxd4 Qe3 24. Rc2 dxe4 25. fxe4 Rxd4 26. Qd2 Qxd2 27. Rdxd2 Rad8 28. Rf2 Rb4 29. Rc1 Ra4 30. Rxc6 Bxa2 31. Rfxf6 Be6 32. Rf3 Ra1 33. Rf1 b4 34. Kg1 b3 35. Rb6 a5 36. Kf2 a4 37. Rb5 a3 38. Ke2 a2 39. Kd2 Rc8 40. Ke2 Rac1 41. Nf3 R8c2+ 42. Ke3 Rxf1 0-1


Isichess mmx-Uragano3d

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 Bb4 7. O-O Bxc3 8. bxc3 Nxe4 9. Bd3 Nxc3 10. Nxc6 dxc6 11. Qg4 O-O 12. Bxh7 Kxh7 13. Qh3 Kg8 14. Qxc3 Qc7 15. Ba3 Rd8 16. Rfd1 Rd5 17. Rxd5 exd5 18. Re1 Bd7 19. Re7 f6 20. Qe3 b5 21. h4 Rb8 22. h5 Qc8 23. h6 d4 24. Rxg7 Kh8 25. Qxd4 Qd8 26. Rxd7 Qxd7 27. Qxd7 Rg8 28. Qf7 b4 29. Bb2 Rxg2 30. Kxg2 a5 31. Bxf6 1-0


FIBChess-ETABETA

1.c4 Nf6 2.Nc3 c5 3.g3 e6 4.Nf3 b6 5.Bg2 Bb7 6.O-O Be7 7.d4 cxd4 8.Qxd4 d6 9.Rd1 a6 10.Bg5 Nc6 11.Qf4 e5 12.Nxe5 Nxe5 13.Bxb7 Ra7 14.Bg2 Nh5 15.Bxe7 Qxe7 16.Qf5 Qd7 17.Qxh5 1-0

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