

[Event "2011 Sixth Annual ACCA Pan American Computer Chess Championships"]
[Site "HGM Server"]
[Date "2011.11.12"]
[Round "3"]
[White "Symbolic"]
[Black "Plisk"]
[Result "1-0"]

1 Nf3 d5 2 d4 Nf6 3 c3 e6 4 Bg5 h6 5 Bh4 Bd6 6 Nbd2 O-O 7 e4 g5 8 e5 gxh4 9
exd6 cxd6 10 Nxh4 e5 11 Be2 exd4 12 cxd4 Qb6 13 Qb3 Qxb3 14 Nxb3 Re8 15 f3 Nc6
16 Kf2 Bd7 17 Rhd1 a5 18 Rac1 Nh5 19 g3 Re6 20 Bb5 a4 21 Na1 Ra5 22 Bf1 a3 23
b3 Re8 24 Nc2 Ng7 25 Bd3 Nh5 26 Nf5 Bxf5 27 Bxf5 Nf6 28 Re1 Raa8 29 Rxe8+ Rxe8
30 b4 Ra8 31 Rb1 Ne8 32 Bd3 Nd8 33 Rb3 Ne6 34 Ke3 Nf6 35 Rxa3 Rb8 36 Ra7 Nd7 37
Kf2 Kg7 38 f4 1-0 



[Event "2011 Sixth Annual ACCA Pan American Computer Chess Championships"]
[Site "HGM Server"]
[Date "2011.11.13"]
[Round "5"]
[White "Parrot"]
[Black "Symbolic"]
[Result "0-1"]

1 c4 e5 2 Nc3 Nf6 3 g3 Bb4 4 Nf3 e4 5 Nd4 Nc6 6 Nxc6 dxc6 7 Bg2 Qe7 8 O-O Bf5 9
a3 Bc5 10 b4 Bd4 11 Bb2 O-O-O 12 e3 Be5 13 f3 exf3 14 Qxf3 Bd3 15 Rfc1 h5 16 b5
h4 17 bxc6 b6 18 a4 hxg3 19 hxg3 a5 20 Ba3 Qe6 21 c5 bxc5 22 Bxc5 Nh7 23 Ba7
Bxc3 24 Rab1 Bxb1 25 Rxb1 Bb4 26 Qf1 Rdf8 27 Qb5 Kd8 28 Qb8+ Qc8 29 Qb5 Nf6 30
Bd4 Rfg8 31 e4 Ng4 32 Rf1 f6 33 Rf5 Bd6 34 Rd5 Ke7 35 Qe2 Qe6 36 Rxa5 Bxg3 37
Rb5 Rd8 38 Bb2 Be5 39 Ba3+ Kf7 40 Bb4 Bd4+ 41 Kf1 Ne5 42 d3 Qxc6 43 Qa2+ Kg6 44
Bd2 Nxd3 45 Rb1 Rh2 46 Re1 Nxe1 47 Bxe1 Qa6+ 48 Qe2 Qxe2+ 49 Kxe2 Rxg2+ 50 Kf3
Ra2 51 a5 Be5 52 Ke3 Kg5 53 Bg3 Rad2 54 Bh4+ Kg4 55 Be1 Bf4# 0-1

[Event "2011 Sixth Annual ACCA Pan American Computer Chess Championships"]
[Site "HGM Server"]
[Date "2011.11.13"]
[Round "6"]
[White "Crafty"]
[Black "Symbolic"]
[Result "1-0"]

1 e4 c6 2 d4 d5 3 Nc3 g6 4 h3 dxe4 5 Nxe4 Bg7 6 Nf3 Nf6 7 Nxf6+ exf6 8 Bd3 O-O
9 O-O Be6 10 Re1 Bd5 11 Be3 f5 12 Be2 Qb6 13 Qd2 Nd7 14 c4 Bxf3 15 Bxf3 Rad8 16
d5 Qa6 17 Qb4 cxd5 18 cxd5 b6 19 Bg5 Rb8 20 d6 Rbc8 21 Re7 Rc4 22 Qe1 Qc8 23
Bd5 Rc2 24 Rd1 Bf6 25 Bxf6 Nxf6 26 Bxf7+ Rxf7 27 Rxf7 Kxf7 28 Qe7+ Kg8 29 d7
Nxd7 30 Rxd7 Qxd7 31 Qxd7 Re2 32 Qxa7 Rxb2 33 a4 Rb4 34 Qc7 Rb1+ 35 Kh2 f4 36
Qb8+ Kg7 37 a5 f3 38 Qe5+ Kf7 39 a6 Rd1 40 Qf4+ Kg8 41 Qc4+ Kf8 42 Qb4+ Kf7 43
Qb3+ Kf6 44 Qxd1 fxg2 45 a7 g1=B+ 46 Kxg1 h5 47 Qd6+ Kg7 48 Qe7+ 1-0 

[Event "2011 Sixth Annual ACCA Pan American Computer Chess Championships"]
[Site "HGM Server"]
[Date "2011.11.12"]
[Round "1"]
[White "Symbolic"]
[Black "Arasan 13.3"]
[Result "0-1"]
[ECO "C02"]
[BlackElo "1700"]
[Annotator "Dart,Jon"]
[PlyCount "108"]
[EventDate "2011.??.??"]
[TimeControl "2700+10"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. a3 c4 7. Be2 Bd7 8. Nbd2 Na5
9. O-O Ne7 10. Rb1 h6 11. b4 ({much commoner here is} 11. Re1) 11... cxb3 12.
c4 Ba4 13. Bb2 Qd8 (13... Nec6 14. cxd5 exd5 15. Rc1 O-O-O 16. e6 f6 17. Nh4
Kb8 18. Ng6 Rg8 19. Re1 Bd6 20. Nf3 Rge8 21. Bd3 Bb5 22. Nfh4 Bxd3 23. Qxd3 Nc4
24. Rxc4 dxc4 25. Qxc4 Na5 26. Qa4 Qc7 27. Nf5 Nc4 28. Nxd6 Nxd6 29. Qxb3 Qa5
30. Bc3 Qg5 31. Nf8 Rc8 32. Nd7+ Ka8 33. Nc5 b6 34. Nd3 Qb5 35. Bb4 a5 36. a4
Qc4 37. Qxc4 Rxc4 38. Bxd6 Rxd4 39. Bc7 Rxd3 40. f4 Kb7 {0-1 Westerinen,H
(2390)-Putzbach,G (2265)/Hamburg 1992/EXT 1997}) 14. Bc3 Nec6 15. Qc1 Rb8 16.
cxd5 Qxd5 17. Bxa5 Nxa5 18. Bd1 Be7 19. Qc3 O-O 20. Nxb3 Nc4 21. Nc5 Bxd1 22.
Rfxd1 Rfc8 23. Rbc1 b5 24. a4 Bxc5 25. dxc5 Qxc5 26. axb5 Qxb5 {Black's
outside passer will be decisive.} 27. Qd4 a5 28. Qd3 a4 29. h3 Rc5 30. Rb1 Qe8
31. Qd4 Rbc8 32. Rb8 $2 Rd5 $1 {Arasan's score jumped to +3.7 here} 33. Rxc8
Qxc8 34. Qa1 Rxd1+ 35. Qxd1 a3 36. Qa4 Qc5 37. Qa8+ Kh7 38. Qe4+ g6 39. Qb7 Kg7
40. Qb1 Qd5 41. Kh2 Nd2 $1 {score was +16.6 here.} 42. Qb4 Nxf3+ 43. gxf3 Qxe5+
44. f4 Qb2 45. Qe1 a2 46. Qf1 a1=Q 47. Qxa1 Qxa1 48. Kg2 Qd1 49. Kg3 Kf6 50.
Kg2 Kf5 51. Kh2 Qf1 52. Kg3 Ke4 53. f3+ Qxf3+ 54. Kh2 Qf2+ 0-1

[Event "2011 Sixth Annual ACCA Pan American Computer Chess Championships"]
[Site "HGM Server"]
[Date "2011.11.12"]
[Round "2"]
[White "Arasan 13.3"]
[Black "Hannibal"]
[Result "0-1"]
[ECO "D43"]
[WhiteElo "1700"]
[BlackElo "1983"]
[Annotator "Dart,Jon"]
[PlyCount "101"]
[EventDate "2011.??.??"]
[TimeControl "2700+10"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 h6 6. Bxf6 Qxf6 7. e3 Nd7 8. Bd3
dxc4 9. Bxc4 g6 10. O-O Bg7 11. Qc2 O-O 12. Rad1 Qe7 13. Rfe1 Rd8 14. Bd3 (14.
a3 b6 15. Ne2 Bb7 16. Nf4 Nf8 17. h3 {1/2-1/2 Kasparov,G (2805)-Ehlvest,J
(2615)/Riga 1995/CBM 047}) 14... c5 15. a3 cxd4 16. exd4 Nb6 17. Bb5 Qc7 18.
Ne5 a6 19. Be2 Bd7 20. Qe4 Rac8 21. Rc1 Bc6 22. Qe3 Qe7 23. Ne4 $6 ({Houdini 1.
5 suggests} 23. g3 $11) 23... Bxe4 24. Qxe4 Rxc1 25. Rxc1 Qd6 26. Qf4 (26. Nf3
$5 Rd7 $15) 26... Bxe5 27. dxe5 Qd2 28. Qxd2 Rxd2 29. Bf3 Rxb2 30. Bxb7 a5 31.
Ba6 Rb3 32. Ra1 Nd7 33. f4 g5 34. Bc4 Re3 35. Bb5 Nb6 36. fxg5 hxg5 37. Bf1 Na4
38. Kf2 Rxe5 39. Rc1 Nc5 40. Re1 $2 {White should not exchange pieces when a
pawn down.} Rxe1 41. Kxe1 f5 42. Kd2 e5 43. Kc3 Ne4+ 44. Kd3 Kf7 45. Be2 Nd6
46. Kc3 Ke6 47. Kb3 Kd5 48. Ka4 Nc4 49. g3 e4 50. Kb3 Ne3 51. Ba6 0-1

[Event "2011 Sixth Annual ACCA Pan American Computer Chess Championships"]
[Site "HGM Server"]
[Date "2011.11.12"]
[Round "3"]
[White "Crafty"]
[Black "Arasan 13.3"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "1951"]
[BlackElo "1700"]
[Annotator "Dart,Jon"]
[PlyCount "85"]
[EventDate "2011.??.??"]
[TimeControl "2700+10"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. O-O Nf6 8.
Nb3 Nc6 9. Nbxd4 Nxd4 10. Nxd4 a6 11. Bb3 Qc7 12. Qf3 Bd6 13. h3 O-O 14. Bg5
Nd7 15. c3 Ne5 16. Qe2 (16. Qh5 $142) 16... b6 $146 (16... Ng6 17. Bc2 Bd7 (
17... Bh2+ 18. Kh1 Bf4 19. Nf3 $11) 18. Rad1 Rfe8 19. Qh5 Qc5 20. Nb3 Qc7 21.
Rd4 Bh2+ 22. Kh1 Be5 23. Rd2 Nf8 24. Rfd1 Bc6 25. Qh4 h6 26. Be3 Bd5 27. Nc5 b5
28. Bb3 Bc6 29. Qg4 Kh8 30. Qh5 a5 31. a4 bxa4 32. Bxa4 Bxa4 33. Nxa4 Bf6 34.
Nc5 Kg8 35. Nd7 Be7 36. Ne5 Bf6 37. Nd7 Be7 38. Qg4 Kh8 39. Nxf8 Bxf8 {1-0
Asrian,K (2621)-Ionov,S (2546)/Moscow 2008/CBM 123}) 17. Kh1 Ng6 18. f4 a5 19.
Nb5 Qc5 20. Nxd6 Qxd6 21. Rad1 Qc7 22. Rf2 h6 23. f5 exf5 24. Bc1 Bd7 25. Qh5
a4 26. Bd5 Ra5 27. c4 Ne7 28. Bf4 Qc8 29. Bxh6 $5 gxh6 30. Qxh6 Rxd5 31. cxd5 {
This is about =. It is better to have the two pieces vs. a Rook but White has
an extra pawn in compensation.} Qc5 32. Rf3 Ng6 33. Rc3 Qb5 ({Crafty expected}
33... Qb4) 34. Qc1 f4 35. Rf3 Re8 36. Rf2 Qb4 37. a3 Qb3 38. Rf3 Re3 (38... Qb5
$5) 39. Rxe3 fxe3 40. Re1 Qxd5 41. Qxe3 Kg7 42. Qc3+ f6 43. Rf1 {Crafty
offered the draw. Arasan had a score above +1 but accepted since Crafty had a
higher rating.} 1/2-1/2

[Event "2011 Sixth Annual ACCA Pan American Computer Chess Championships"]
[Site "HGM Server"]
[Date "2011.11.13"]
[Round "4"]
[White "Arasan 13.3"]
[Black "Telepath"]
[Result "1-0"]
[ECO "E15"]
[WhiteElo "1700"]
[BlackElo "1496"]
[Annotator "Dart,Jon"]
[PlyCount "99"]
[EventDate "2011.??.??"]
[TimeControl "2700+10"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Bg2 c6 8. Bc3
d5 9. Nbd2 Nbd7 10. O-O O-O 11. Re1 c5 12. e4 dxe4 13. Nxe4 Nxe4 14. Rxe4 Bb7
15. Re2 Nf6 16. Qc2 (16. dxc5 Bxc5 17. Qc2 Bxf3 18. Bxf3 Rc8 19. Rd1 Qe7 20.
Kg2 a5 21. Qb2 Rfd8 22. Rxd8+ Rxd8 23. Rd2 Rxd2 24. Bxd2 e5 25. Bc3 e4 26. Be2
h6 27. Qc1 Qd6 28. Qd1 Qxd1 29. Bxd1 Kf8 30. Bc2 Ke7 31. f3 exf3+ 32. Kxf3 h5
33. h3 g6 34. Bd2 Ke6 35. Bf4 Bd6 36. Bc1 Nd7 37. Be4 Ne5+ 38. Ke2 f6 39. Bb2
g5 40. Bb7 f5 41. Bc8+ Kf6 42. Bd4 {1/2-1/2 Novikov,I (2614)-Prokopchuk,E
(2470)/Koszalin 1999/CBM 073}) 16... cxd4 17. Rd1 Bc5 18. Nxd4 Bxg2 19. Kxg2
Qc7 20. Nf3 Be7 21. Ng5 g6 22. Bb2 Ng4 $2 23. Ne4 $16 f5 24. h3 Nh6 $4 ({Black
should block the long diagonal with} 24... Nf6) 25. Qc3 $1 {Black must lose
material to counter the mate threat.} e5 26. Rd7 $1 Bb4 27. Rxc7 Bxc3 28. Nxc3
Rf7 29. Nd5 Rxc7 30. Nxc7 Rc8 31. Bxe5 Rd8 32. Bb2 Nf7 33. Re7 h6 34. Nd5 Ra8
35. Rb7 Kf8 36. Nf4 g5 37. Ng6+ Kg8 38. Ne7+ Kf8 39. b4 f4 40. c5 bxc5 41. Ng6+
Kg8 42. bxc5 Kh7 43. Nh8 Kg8 44. Nxf7 h5 45. Nh6+ Kf8 46. Bg7+ Ke8 47. Nf5 Kd8
48. Nd6 f3+ 49. Kg1 a5 50. Bf6# 1-0

[Event "2011 Sixth Annual ACCA Pan American Computer Chess Championships"]
[Site "HGM Server"]
[Date "2011.11.13"]
[Round "5"]
[White "Arasan 13.3"]
[Black "RedQueen"]
[Result "1-0"]
[ECO "E64"]
[WhiteElo "1700"]
[BlackElo "1745"]
[Annotator "Dart,Jon"]
[PlyCount "98"]
[EventDate "2011.??.??"]
[TimeControl "2700+10"]

1. Nf3 c5 2. c4 Nf6 3. Nc3 g6 4. d4 Bg7 5. d5 O-O 6. g3 d6 7. Bg2 Bf5 (7... Na6
) (7... e6) 8. Nh4 Bd7 9. Qc2 (9. O-O Na6 10. e4 Rb8 11. f4 b5 12. e5 Ne8 13.
cxb5 Nac7 14. a4 dxe5 15. fxe5 Bxe5 16. Bh6 Bg7 17. Bxg7 Kxg7 18. Ne4 a6 19.
Nxc5 axb5 20. a5 b4 21. a6 Nd6 22. Nf3 Bb5 23. Rf2 Kg8 24. Ne5 Nc4 25. Nxc4
Bxc4 26. a7 Rc8 27. d6 exd6 28. Ne4 d5 29. Nf6+ Kh8 30. b3 Bb5 31. Qc1 Ne8 32.
Qxc8 Qxc8 33. a8=Q {1-0 Ivkov,B-Doda,Z/Havana 1965/MCD}) 9... Na6 10. Bd2 Rb8
11. O-O {This is an unusual Benoni type opening where White has omitted e4
(although that is played eventually).} b5 $5 12. cxb5 Bxb5 13. Nxb5 Rxb5 14. b3
Nd7 15. Rad1 Nb4 16. Qe4 f5 17. Qb1 Nf6 18. Bg5 Ra5 (18... Qa5 $142) 19. a4 Qd7
20. e4 {finally!} fxe4 21. Bxe4 Qb7 22. Bg2 $1 {score +0.80} Qc8 23. Rfe1 Rf7
24. Bd2 $1 {score +0.96} Qf8 25. f4 (25. Bh3 $5 {threatening Be6}) 25... Kh8
26. f5 $1 $18 gxf5 27. Qxf5 $18 Bh6 28. Qh3 Kg8 29. Bc3 Bg5 30. Nf5 Ra6 31. Re6
Rb6 32. Rf1 Rb7 33. Kh1 c4 34. Bxf6 Rxf6 35. Qg4 cxb3 36. Nxe7+ Kh8 37. Qd4 Nc2
38. Qb2 Rxe7 39. Rfxf6 Bxf6 40. Rxf6 Re1+ 41. Bf1 Qxf6 42. Qxf6+ Kg8 43. Kg1
Ne3 44. Qd8+ Kf7 45. Qc7+ Kg8 46. Kf2 Rxf1+ 47. Kxe3 Re1+ 48. Kf2 Re4 49. Qxd6
Re8 1-0

[Event "2011 Sixth Annual ACCA Pan American Computer Chess Championships"]
[Site "HGM Server"]
[Date "2011.11.13"]
[Round "6"]
[White "Thinker"]
[Black "Arasan 13.3"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2029"]
[BlackElo "1700"]
[Annotator "Dart,Jon"]
[PlyCount "110"]
[EventDate "2011.??.??"]
[TimeControl "2700+10"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8.
Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 Bg5 12. Nc2 O-O (12... Ne7 {is popular
recently}) (12... Rb8 13. a4 bxa4 14. Ncb4 Nxb4 15. cxb4 O-O 16. Rxa4 a5 17. b5
Bd7 18. Nc3 Kh8 19. Bc4 Qb6 20. O-O $11 {Jakovenko,D (2730)-Radjabov,T (2733)/
Bursa 2010/CBM 134 (59)}) 13. a4 bxa4 14. Rxa4 a5 15. Bc4 Rb8 16. b3 Kh8 17.
Nce3 Ne7 {not very common.} (17... g6) (17... Be6) 18. O-O Nxd5 {first move
out of book.} 19. Nxd5 f5 (19... Bd7 20. Ra2 f5 21. exf5 Bxf5 22. Qe2 Rc8 23.
Rfa1 Rc5 24. b4 axb4 25. cxb4 Rc8 26. b5 Be6 27. Ra6 Rc5 28. Nb6 d5 29. Ra8
dxc4 30. Rxd8 Rxd8 31. Na4 Rxb5 32. Nc3 Rb6 33. Qxe5 Bf6 34. Qe1 Bf5 35. h3 h6
36. Kh2 Re6 37. Qc1 Rd3 38. Ra3 Bg5 39. f4 Bh4 40. g4 Re1 41. Qb2 Bd7 42. Ra6
Ree3 43. Ne2 c3 44. Ra8+ Kh7 45. Qc2 Rxh3+ {0-1 Bakr Jwan,J (2360)-Mamedov,R
(2564)/Adana 2006/CBM 115 ext}) 20. Bd3 Bd7 21. Ra1 Be6 22. Bc2 Rb5 23. c4 Rc5
24. Nc3 f4 25. Qf3 Qd7 26. Bd1 Bd8 27. Qd3 Rf6 28. Bf3 Rh6 29. Rfd1 Rc6 30. Nb5
Bg8 31. h3 Qb7 32. c5 d5 33. Nd6 Rhxd6 $2 {Black gets a pawn + minor for the
Rook but doesn't have full compensation I think.} (33... Qb8 $142) 34. cxd6 d4
35. Rdc1 $1 {Arasan expected Rac1.} Rxd6 {Arasan failed low here, with a score
of -0.68.} 36. Rc5 Qe7 37. Qb5 Rb6 38. Qxa5 Rb7 39. Qa8 Qxc5 40. Qxb7 Qc3 41.
Rf1 d3 42. Qb5 Qd4 43. Qe8 $18 Bb6 44. b4 Qd6 45. Bd1 Qxb4 46. Qxe5 Qd4 47. Qb8
d2 48. Bb3 Qd8 49. Qxd8 Bxd8 50. Bxg8 Kxg8 51. Rd1 Ba5 52. Kf1 Kf7 53. Ke2 Kf6
54. Rxd2 $3 {exchanging into a won pawn endgame.} Bxd2 55. Kxd2 Ke5 1-0 {Arasan
resigns}

[Event "2011 Sixth Annual ACCA Pan American Computer Chess Championships"]
[Site "HGM Server"]
[Date "2011.11.12"]
[Time "16:40:21"]
[Round "1"]
[White "Crafty"]
[Black "Telepath"]
[WhiteElo "1951"]
[BlackElo "1496"]
[TimeControl "2700+10"]
[Mode "ICS"]
[Result "1-0"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. h3 g6 5. Bd3 Bg7 6. Bc2 O-O 7. d4 Qc7
8. O-O Nfd7 9. Na3 cxd4 10. cxd4 Nc6 11. Be3 Nf6 12. Rc1 Qd8 13. d5 Nb4
14. Bb1 e6 15. Nb5 exd5 16. Nc7 dxe4 17. Ng5 Bf5 18. Nxa8 Nbd5 19. Bd4
Bh6 20. h4 Nh5 21. Nc7 Nxc7 22. Be3 d5 23. g4 Ne6 24. gxf5 Nxg5 25. hxg5
Bxg5 26. Qg4 Bxe3 27. fxe3 Qd6 28. a3 Kg7 29. Qg2 Nf6 30. fxg6 fxg6 31.
Ba2 b6 32. Qg5 Rf7 33. Rc2 h6 34. Qg2 Re7 35. Rcf2 Re6 36. Bb3 Qe5 37.
Rf5 Qd6 38. Kh1 Qd7 39. Rg1 g5 40. Rgf1 Rd6 41. Qh2 Kg6 42. Qe5 Kg7 43.
Bxd5 Rxd5 44. Qxf6+ Kh7 45. R5f2 Rd6 46. Qf8 Qh3+ 47. Rh2 Qxf1+ 48. Qxf1
Kg7 49. Rf2 a5 50. Kh2 Kg6 51. Rf8 Rd7 52. Qf5+ Kh5 53. Qxd7 g4 54. Rf5+
Kh4 55. Qd8+
{Black checkmated} 1-0

[Event "2011 Sixth Annual ACCA Pan American Computer Chess Championships"]
[Site "HGM Server"]
[Date "2011.11.12"]
[Time "19:43:18"]
[Round "2"]
[White "Telepath"]
[Black "Symbolic"]
[WhiteElo "1496"]
[BlackElo "0"]
[TimeControl "2700+10"]
[Mode "ICS"]
[Result "1-0"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. Nf3 d5 6. e3 O-O 7. a3
Bxc3+ 8. Qxc3 a5 9. b3 a4 10. b4 Bd7 11. Bb2 dxc4 12. Bxc4 Na7 13. d5 exd5
14. Bxd5 Nb5 15. Qe5 c5 16. Qg5 cxb4 17. axb4 Nd6 18. Rd1 Nfe8 19. Qxd8
Rxd8 20. O-O Bb5 21. Rfe1 Ba6 22. Be5 Rd7 23. Ba2 Bb5 24. e4 b6 25. Bd5
Ra7 26. Rc1 Kh8 27. Nd4 Bd7 28. Red1 Bg4 29. f3 Bh5 30. g4 Bg6 31. Bg3
Nxe4 32. fxe4 Nf6 33. Nc6 Raa8 34. Ne5 Rac8 35. Rxc8 Rxc8 36. Bb7 Rf8 37.
Bc6 a3 38. g5 Nh5 39. Nd7 Rd8 40. Bc7 Rg8 41. Nxb6 f6 42. Ra1 fxg5 43.
Rxa3 Nf4 44. Be5 Bh5 45. Nd5 Ng6 46. Bb2 Bg4 47. Nf6 Rd8 48. Nxg4 Rd1+ 49.
Kg2 h5 50. Nf2 Nh4+ 51. Kh3 Rd2 52. Nd3 Re2 53. Bc1 Nf3 54. Kg3 Nd2 55.
b5 Nf1+ 56. Kf3 Rc2 57. Bxg5 Nxh2+ 58. Kf4 Kh7 59. e5 h4 60. Be4+ Kg8
61. Ra8+ Kf7 62. e6+ Kxe6 63. Ra6+ Kd7 64. Ne5+ Kc7 65. b6+ Kd6 66. b7+
Kc5 67. Be7+ Kd4 68. Rd6+ Kc3 69. Rd3+ Kb2 70. b8=Q+
{Black resigned} 1-0

[Event "2011 Sixth Annual ACCA Pan American Computer Chess Championships"]
[Site "HGM Server"]
[Date "2011.11.12"]
[Time "21:56:48"]
[Round "3"]
[White "Telepath"]
[Black "Parrot"]
[WhiteElo "1496"]
[BlackElo "1644"]
[TimeControl "2700+10"]
[Mode "ICS"]
[Result "1-0"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 b6 7.
Bg5 Bb7 8. e3 d6 9. Ne2 Nbd7 10. Qd3 h6 11. Bh4 Re8 12. Nc3 g5 13. Bg3
Nh5 14. O-O-O e5 15. Be2 Nxg3 16. hxg3 Qf6 17. Bf3 Bxf3 18. gxf3 exd4 19.
Nd5 Qxf3 20. Rxh6 Re4 21. Rdh1 Rb8 22. R1h5 Kg7 23. Rh7+ Kg8 24. Qf1 g4
25. Qg1 Re5 26. Rh8+ Kg7 27. R5h7+ Kg6 28. Rxb8 Nf6 29. Nf4+ Kxh7 30.
Qh2+ Rh5 31. Nxh5 Kg6 32. Nxf6 Kxf6 33. Qh8+ Ke7 34. Re8+ Kd7 35. Rc8 Qh1+
36. Qxh1 Kxc8 37. Qh8+ Kd7 38. Qxd4 Ke7 39. Qxg4 Kd8 40. Qg8+ Ke7 41. Qc8
Kf6 42. Qxc7 Ke6 43. Qxa7 f5 44. Qxb6 Kd7 45. Qb7+ Ke6 46. Qc8+ Ke7 47.
Qxf5 Kd8
{Black resigned} 1-0


[Event "2011 Sixth Annual ACCA Pan American Computer Chess Championships"]
[Site "HGM Server"]
[Date "2011.11.13"]
[Time "19:26:32"]
[Round "5"]
[White "TinkerX"]
[Black "Telepath"]
[WhiteElo "1460"]
[BlackElo "1496"]
[TimeControl "2700+10"]
[Mode "ICS"]
[Result "*"]

1. Nf3 c5 2. b3 Nf6 3. e3 g6 4. d4 Bg7 5. Bb2 O-O 6. dxc5 Qa5+ 7.
Nbd2 Qxc5 8. Bd3 Nc6 9. O-O d5 10. a3 a5 11. h3 Qd6 12. c4 Rd8 13. Qe2 e5
14. cxd5 Nxd5 15. Rfd1 Nc3 16. Bxc3 Qxd3 17. Qxd3
{White lost - too many disconnects} 1-0


[Event "2011 Sixth Annual ACCA Pan American Computer Chess Championships"]
[Site "HGM Server"]
[Date "2011.11.13"]
[Time "21:30:06"]
[Round "6"]
[White "Telepath"]
[Black "Hannibal"]
[WhiteElo "1496"]
[BlackElo "1983"]
[TimeControl "2700+10"]
[Mode "ICS"]
[Result "1/2-1/2"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 h6 6. Bxf6 Qxf6 7. e3
Nd7 8. Bd3 dxc4 9. Bxc4 g6 10. O-O Bg7 11. Qc2 O-O 12. Ne4 Qe7 13. Bb3 e5
14. Nc3 Kh7 15. Rad1 exd4 16. exd4 Nf6 17. Rfe1 Qb4 18. h3 Bf5 19. Qd2
Rae8 20. Rxe8 Nxe8 21. Ne5 Nd6 22. g4 Bc8 23. Qc2 f5 24. f4 Bxe5 25. fxe5
Nf7 26. h4 fxg4 27. Ne4 Bf5 28. Qc3 Qxc3 29. Nf6+ Kg7 30. bxc3 Nd6 31. c4
b5 32. cxb5 Nxb5 33. Bc4 Nc3 34. Re1 Rb8 35. Rc1 Rb1 36. Rxb1 Nxb1 37.
Ne8+ Kf8 38. Nd6 Na3 39. Bb3 Bc2 40. Be6 Bb1 41. Bb3 a5 42. Kf2 Ke7 43.
Nc8+ Kd7 44. Nd6 Nb5 45. Nxb5 cxb5 46. a4 Bd3 47. Bd1 h5 48. Ke3 Bc4 49.
axb5 Bxb5 50. Bc2 a4 51. d5 Kc7 52. Kf4 Kb7 53. d6 a3 54. Bb3 Kc6 55. Kg3
Kc5 56. Kf4 Be8 57. Bg8 Ba4 58. Bf7 Kc6 59. Be8+ Kb7 60. Bf7 Kb6 61. Bd5
Bc6 62. Be6 Bb5 63. Bb3 Kc5 64. Bf7 Ba4 65. Kg3 Bd7 66. Bb3 Kc6 67. Kf4
Bf5 68. Ba4+ Kb6 69. Bb3 Kc5 70. Bf7 Bd7 71. Bb3 Bc8 72. Ke4 g5 73. hxg5
h4 74. Kf4 g3 75. Kf3 Bg4+ 76. Kg2 Bf5 77. d7 Bxd7 78. g6 Bc6+ 79. Kh3
Be4 80. g7 Bh7 81. Ba2 Kb5 82. g8=Q Bxg8 83. Bxg8 Kc6 84. Ba2 Kc5 85. Bb3
Kc6 86. Ba2 Kc5 87. Bb3 Kc6 88. Bf7 Kc5 89. Bb3
{Game drawn by repetition} 1/2-1/2


[Event "2011 Sixth Annual ACCA Pan American Computer Chess Championships"]
[Site "HGM Server"]
[Date "2011.11.12"]
[Round "2"]
[White "Plisk"]
[Black "Thinker"]
[Result "0-1"]
[WhiteElo "1463"]
[BlackElo "2029"]
[TimeControl "2700+10"]
[Annotator "45. -0.24"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8.
c3 O-O 9. h3 Re8 10. d4 Bb7 11. Nbd2 Bf8 12. d5 Nb8 13. Nf1 Nbd7 14. N3h2
h6 15. Ng4 Nxg4 16. Qxg4 g6 17. Be3 Nf6 18. Qf3 c6 19. dxc6 Bxc6 20. Ng3
Rb8 21. Rad1 a5 22. a3 Bd7 23. Ba2 Qe7 24. Rd2 Rec8 25. Red1 Rc6 26. Qe2
Be6 27. Bxe6 Qxe6 28. Kh1 b4 29. cxb4 axb4 30. Rd3 bxa3 31. bxa3 Nd7 32.
Qf3 Rc4 33. Rd5 h5 34. Ra5 Nc5 35. Kg1 h4 36. Bxc5 dxc5 37. Nf1 Rd4 38. a4
Rbb4 39. Ra8 Rxa4 40. Rxa4 Rxa4 41. Ne3 c4 42. Rf1 Kg7 43. Nd5 Bc5 44. Qe2
Qa6 45. Nc7 {-0.24/19 15} Qc6 46. Nd5 {-1.23/17 1.0} Bd4 47. Kh2 {-0.72/16}
c3 48. Rc1 {-0.91/16 1.0} Ra3 49. f3 {-0.63/17 1.0} Qc5 50. Qd1
{-1.22/18 1.0} Ra1 51. Rxa1 {+0.26/21 1.0} c2 52. Qc1 {+0.26/22} Bxa1 53.
Qxa1 {-2.47/24 1.0} c1=Q 54. Qxe5+ {-6.61/19 1.0} f6 55. Qxf6+ {-2.60/24}
Kh7 56. Qxh4+ {-2.60/24 1.0} Kg8 57. Qd8+ {-2.03/24 1.0} Qf8 58. Qb6
{-2.23/19} Kh7 59. Qa7+ {-2.03/15 1.0} Kh6 60. Qd4 {-2.09/21} Qb8+ 61. e5
{-2.17/20 1.0} Qd8 62. Qe4 {-3.13/22} Qd2 63. Nf6 {-2.43/22 1.0} Q8d4 64.
h4 {-3.93/24} Qf4+ 65. Qxf4+ {-5.31/20} Qxf4+ 66. Kh3 {-5.65/25 1.0} g5 67.
hxg5+ {-3.92/19} Kxg5 68. Ne4+ {-3.39/24 1.0} Kf5 69. Nf2 {-5.46/25} Qxe5
70. g4+ {-5.50/21} Kg5 71. Kg2 {-6.27/23 1.0} Qc7 72. Nh3+ {-5.92/20} Kh4
73. Ng1 {-9.63/20} Qc2+ 74. Kf1 {+0.00/16} Qb1+ 75. Kf2 {-5.95/16 1.0} Qb6+
76. Kf1 {-6.01/15} Kg3 77. Ke2 {-12.76/17 1.0} Qxg1 78. g5 {-12.89/13} Kf4
79. Kd3 {-13.14/16} Qxg5 80. Kc4 {+0.00/17} Kxf3 81. Kb4 {-14.19/16} Ke4
82. Ka4 {-327.49/40} Kd3 83. Ka3 {-327.49/40} Qb5 84. Ka2 {-327.47/40} Kc3
85. Ka1 {-327.45/40} Qb2#
{Plisk checkmated} 0-1

[Event "2011 Sixth Annual ACCA Pan American Computer Chess Championships"]
[Site "HGM Server"]
[Date "2011.11.13"]
[Round "4"]
[White "Plisk"]
[Black "TinkerX"]
[Result "0-1"]
[WhiteElo "1463"]
[BlackElo "1460"]
[TimeControl "2700+10"]
[Annotator "39. -3.76"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8.
f3 Be7 9. Qd2 O-O 10. O-O-O Nbd7 11. g4 b5 12. g5 Nh5 13. Kb1 Nb6 14. Qf2
Nc4 15. Bxc4 bxc4 16. Nc5 Qc8 17. Nxe6 fxe6 18. Qg2 Rb8 19. Ka1 Qb7 20. Rb1
d5 21. Qh3 d4 22. Qxh5 dxe3 23. g6 hxg6 24. Qxg6 Rf6 25. Qg3 Qc7 26. Rhg1
Bb4 27. Ne2 c3 28. b3 Rd8 29. Rbe1 Rf7 30. Qg6 Rd2 31. Qxe6 Rxc2 32. Qe8+
Bf8 33. Qa4 Qd7 34. Ng3 Qxa4 35. bxa4 Rd7 36. Ne2 Bc5 37. Nc1 Rdd2 38. Re2
Bd4 39. a3 {-3.76/23 57} Rxe2 40. Nxe2 {-8.57/19 21} Rxe2 41. Kb1
{-5.97/21 21} Rb2+ 42. Kc1 {-7.77/21 19} e2 43. Rh1 {-5.85/18 19} Be3#
{Plisk checkmated} 0-1

[Event "2011 Sixth Annual ACCA Pan American Computer Chess Championships"]
[Site "HGM Server"]
[Date "2011.11.13"]
[Round "6"]
[White "Plisk"]
[Black "Parrot"]
[Result "0-1"]
[WhiteElo "1463"]
[BlackElo "1644"]
[TimeControl "2700+10"]
[Annotator "8. +0.54"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 Ne4 7. Bd2 d5 8.
O-O {+0.54/21 3:40} Nc6 9. Qc2 {+0.50/20 1:37} Nxd2 10. Qxd2
{+0.49/21 1:33} O-O 11. cxd5 {+0.08/19 1:28} exd5 12. Qf4 {+0.78/20 1:26}
Qd7 13. Nh4 {+0.71/20 1:22} g5 14. Qf5 {+0.67/21 1:19} Rad8 15. Qxd7
{+0.85/21 1:15} Rxd7 16. Nf5 {+0.54/21 1:13} Rfd8 17. Bh3 {+1.05/21 1:09}
Bf8 18. f4 {+0.57/19 1:07} gxf4 19. Rxf4 {+0.63/20 1:04} Na5 20. b3
{+1.71/18 1:02} c5 21. Raf1 {+1.57/18 59} cxd4 22. Nxd4 {+0.88/19 57} Re7
23. Bg2 {+1.88/19 54} Re3 24. Na4 {+1.27/19 53} Re7 25. e3 {+1.82/21 50}
Nc6 26. Nf5 {+1.37/20 48} Re5 27. Nc3 {+1.25/19 47} f6 28. Rd1
{+1.44/17 44} Nb4 29. Ne4 {+2.28/19 43} Re6 30. Nf2 {+1.80/19 41} Nxa2 31.
Ng4 {+0.91/18 39} Nc3 32. Nd4 {+0.82/19 38} Re7 33. Rc1 {+1.46/19 36} Rc7
34. Nxf6+ {+1.72/21 35} Kh8 35. Rh4 {+2.16/21 33} h6 36. Ng4 {+1.94/20 32}
Rd6 37. Rf1 {+1.83/20 31} Bg7 38. Nf5 {+1.59/20 30} Rg6 39. Ngxh6
{+1.29/20 28} Ba6 40. Rf2 {+2.00/18 27} Bf6 41. Rh3 {+2.21/18 26} Bg7 42.
Ng4+ {+1.89/17 25} Kg8 43. Rh4 {+1.84/20 24} Ne2+ 44. Kh1 {+1.68/16 24} Nc3
45. Nfh6+ {+2.02/17 22} Kh8 46. Nf7+ {+1.94/17 21} Kg8 47. Ngh6+
{+2.86/19 21} Kh7 48. Nf5+ {+2.50/20 20} Kg8 49. N7h6+ {+2.50/19 18} Kh7
50. Nxg7 {+1.88/18 19} Kxg7 51. Nf5+ {+2.25/18 17} Kf6 52. Rhf4
{+2.87/15 17} Ke5 53. Nh4 {+2.45/19 16} Re6 54. Nf3+ {+2.81/18 15} Kd6 55.
Nd4 {+2.52/18 15} Nd1 56. R2f3 {+2.80/17 14} Rc1 57. Bf1 {+1.99/18 14} Re4
58. Rf6+ {+4.13/19 13} Kd7 59. Rf7+ {+2.24/19 12} Re7 60. Bxa6
{+2.12/19 12} Nxe3+ 61. Rf1 {+5.24/21 12} Rxf1+ 62. Rxf1 {+2.39/23 11} Nxf1
63. Bxf1 {+2.39/23 11} Re1 64. Kg1 {+2.22/22 10} Rd1 65. Ne2 {+2.33/20 10}
Rb1 66. Nc3 {+1.44/19 9} Rxb3 67. Nxd5 {+2.77/18 9} a5 68. g4 {+2.77/18 9}
Kc6 69. Nf6 {+2.34/14 8} a4 70. Bg2+ {+1.73/19 8} Kd6 71. Bd5 {+1.74/17 8}
Ke5 72. g5 {+4.33/18 7} Rb2 73. Bf7 {+0.09/21 7} a3 74. Nd7+ {+1.39/20 7}
Kd6 75. Nf6 {+0.43/19 6} a2 76. Bxa2 {+0.43/21 7} Rxa2 77. h4 {-0.61/19 6}
Ke6 78. h5 {+0.00/19 5} Ra5 79. Ne4 {-2.52/20 6} Kf5 80. Nd6+ {-2.95/22 5}
Kxg5 81. Kf2 {-2.64/23 5} Ra3 82. Ke2 {-3.79/18 5} Rh3 83. Nb5 {-3.90/20 5}
Kxh5 84. Kd2 {-4.54/22 4} Kg5 85. Nc3 {-4.69/21 5} Kf5 86. Nb5 {-4.42/23 4}
Ke5 87. Nc3 {-5.19/20 4} Kd4 88. Ne2+ {-5.44/20 4} Kc4 89. Nf4 {-6.72/25 3}
Rh2+ 90. Kc1 {-5.32/25 4} b5 91. Ne6 {-5.42/25 3} Kc3 92. Kd1 {-5.36/20 3}
b4 93. Nc5 {-5.94/18 3} b3 94. Ne4+ {-6.14/16 3} Kd4 95. Ng3 {-6.76/24 3}
b2 96. Nf5+ {-6.76/23 3} Kd3 97. Ke1 {-6.42/14 3} b1=Q#
{Plisk checkmated} 0-1 

[Event "2011 Sixth Annual ACCA Pan American Computer Chess Championships"]
[Site "HGM Server"]
[Date "2011.11.12"]
[Round "2"]
[White "Gaviota"]
[Black "Plisk"]
[Result "1-0"]
[WhiteElo "1760"]
[BlackElo "1463"]
[TimeControl "2700+10"]
[Annotator "50. +8.15"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. Qc2 bxc4 5. e4 e6 6. Bxc4 exd5 7. exd5 Bd6
8. Qe2+ Qe7 9. Na3 O-O 10. Qxe7 Bxe7 11. Bf4 Nh5 12. Bd2 a6 13. O-O-O d6
14. Re1 Re8 15. Bb3 Nf6 16. Nc4 Bf5 17. Nf3 Nbd7 18. Ba4 Bf8 19. Bc6 Be4
20. Bxa8 Rxa8 21. Bf4 Bxd5 22. b3 Bxf3 23. gxf3 d5 24. Ne5 d4 25. Bg3 Nb6
26. Nc4 Nfd5 27. Nxb6 Nxb6 28. Kc2 Nd5 29. a3 a5 30. a4 Rd8 31. h4 Nb4+ 32.
Kd2 Nd5 33. Re5 f6 34. Re6 Rd7 35. Re8 Kf7 36. Rc8 f5 37. Be5 Rb7 38. Rb8
Rd7 39. h5 Nc3 40. Rg1 Nd5 41. f4 Nc3 42. f3 h6 43. Rc8 Ra7 44. Rg6 Rd7 45.
Ra6 Nd5 46. Rca8 Be7 47. R8a7 Rxa7 48. Rxa7 Ke6 49. Rxa5 Nf6 50. Bxf6
{+8.15/20 1:09} Bxf6 51. Rxc5 {+9.14/21 40} Be7 52. Re5+ {+16.20/21 38} Kd7
53. Rxe7+ {+16.89/21 37} Kxe7 54. a5 {+18.73/22 36} Kd6 55. a6
{+20.87/22 38} Kc6 56. b4 {+29.47/24 13} Kb6 57. b5 {+327.42/24 38} d3 58.
Kxd3 {+327.46/24 12} Ka7 59. Kc3 {+327.48/21} Kb6 60. Kc4 {+327.50/19} Ka7
61. Kc5 {+327.52/17} Kb8 62. b6 {+327.54/15} Ka8 63. Kd5 {+327.56/13 0.4}
Kb8 64. Kc6 {+327.58/11} Ka8 65. a7 {+327.60/9 0.4} g5 66. hxg6 {+327.62/7}
h5 67. g7 {+327.64/5} h4 68. g8=Q# {+327.66/3}
{Plisk checkmated} 1-0


[Event "2011 Sixth Annual ACCA Pan American Computer Chess Championships"]
[Site "HGM Server"]
[Date "2011.11.12"]
[Round "2"]
[White "Parrot"]
[Black "Gaviota"]
[Result "0-1"]
[WhiteElo "1644"]
[BlackElo "1760"]
[TimeControl "2700+10"]
[Annotator "2... +0.16"]

1. e4 e6 2. d4 d5 {+0.16/11 0.4} 3. Nd2 c5 {+0.21/11 0.3} 4. Ngf3 cxd4
{+0.45/10 0.3} 5. exd5 Qxd5 {+0.05/11 0.4} 6. Bc4 Qd6 {-0.16/12 0.3} 7. O-O
Nf6 {-0.13/11 0.4} 8. Nb3 Nc6 {+0.25/12 0.3} 9. Nbxd4 Nxd4 {+0.21/12 0.3}
10. Nxd4 a6 {+0.25/11 0.4} 11. Re1 Qc7 {+0.06/18 0.4} 12. Bd3 Bd6
{-0.12/19 3:34} 13. g3 O-O {-0.09/19 0.4} 14. Bg5 Be5 {-0.05/20 33} 15. c3
h6 {-0.16/21 1:13} 16. Nf3 Bxc3 {-0.02/20 1:00} 17. Bf4 e5 {+0.01/22 1:35}
18. Bxe5 Bxe5 {+0.02/21 1:26} 19. Nxe5 Be6 {+0.05/20 1:24} 20. Rc1 Qb6
{+0.01/19 1:27} 21. b3 Rad8 {+0.00/19 30} 22. Qc2 Rfe8 {+0.07/18 1:25} 23.
Qc7 Qb4 {+0.10/19 1:23} 24. Qc2 Rc8 {+0.21/18 1:20} 25. Qe2 Rxc1
{+0.28/20 1:20} 26. Rxc1 Qd4 {+0.25/20 1:59} 27. Nf3 Qd6 {+0.23/19 1:33}
28. Re1 b5 {+0.28/18 1:11} 29. Bc2 Bd7 {+0.29/20 2:19} 30. Qd3 Rxe1+
{+0.27/20 0.4} 31. Nxe1 Qb4 {+0.29/20 11} 32. Nf3 Qc5 {+0.25/20 49} 33. Qd2
b4 {+0.22/19 49} 34. Bd3 Qc3 {+0.30/19 24} 35. Qxc3 bxc3 {+0.00/20 1:04}
36. Nd4 a5 {+0.00/19 58} 37. Kf1 Ng4 {-0.12/19 1:53} 38. f3 Ne5
{-0.19/19 58} 39. Ke2 g6 {-0.47/18 0.4} 40. a4 Bh3 {-0.52/18 1:34} 41. Ke3
g5 {-0.63/18 1:21} 42. Be2 Bg2 {-0.78/19 1:05} 43. Bd1 Kg7 {-0.90/21 0.4}
44. f4 gxf4+ {-0.94/20 41} 45. gxf4 Ng6 {-0.95/20 4} 46. Nb5 Nh4
{-0.95/20 28} 47. Nxc3 Nf5+ {-0.97/19 0.3} 48. Kd3 Kg6 {-1.11/19 0.4} 49.
Be2 Ne7 {-0.97/19 49} 50. Kc4 Kf5 {-1.09/19 47} 51. Kb5 Kxf4 {-0.53/19 46}
52. Kxa5 Ke3 {-0.57/18 38} 53. Kb4 f5 {-0.60/19 0.4} 54. Bc4 f4
{-0.60/19 35} 55. a5 Kd2 {-0.64/20 1:09} 56. Ne2 f3 {-0.68/20 0.3} 57. Ng3
f2 {-0.64/19 0.3} 58. Kc5 Kc3 {-1.02/20 1:27} 59. a6 Nc6 {-0.95/19 0.4} 60.
Ne2+ Kd2 {-1.24/19 38} 61. Nf4 Na5 {-0.40/17 37} 62. Nxg2 Nxc4
{-0.20/17 0.3} 63. a7 f1=Q {-0.19/16 23} 64. a8=Q Nb2 {-0.16/15 0.4} 65.
Qa5+ Ke2 {+0.00/16 36} 66. Qc3 Nd3+ {+0.00/15 29} 67. Kb6 Qf2+
{+0.00/16 38} 68. Ka6 Qf3 {+0.00/16 20} 69. Qc2+ Kf1 {+0.00/17 0.4} 70. Nh4
Qa8+ {+0.00/16 18} 71. Kb5 Qd5+ {+0.00/15 24} 72. Kb6 h5 {+0.00/15 30} 73.
Qc4 Qd8+ {+0.00/14 32} 74. Kc6 Kg1 {+0.00/16 8} 75. Nf3+ Kh1 {+0.00/17 9}
76. Qf7 Qc8+ {+0.00/15 23} 77. Kb6 Qc5+ {+0.07/14 30} 78. Ka6 Nb4+
{+0.25/14 29} 79. Kb7 Qc6+ {+0.15/14 28} 80. Kb8 Qd6+ {+0.11/14 0.4} 81.
Kc8 Nd5 {+0.11/14 1.9} 82. b4 Ne7+ {+1.41/15 29} 83. Kb7 Qxb4+
{+1.41/16 35} 84. Kc7 Qc5+ {+1.35/16 0.4} 85. Kd7 Nf5 {+1.38/16 1.3} 86.
Qxh5 Qd6+ {+327.30/12 28} 87. Kc8 Ne7+ {+327.32/12 23} 88. Kb7 Qc6+
{+327.34/13 25} 89. Ka7 Nd5 {+327.36/13 0.4} 90. Qxd5 Qxd5 {+327.42/21 26}
91. h4 Qxf3 {+327.46/2 0.4} 92. Ka6 Qc3 {+327.48/2 0.4} 93. Kb5 Kg2
{+327.52/2 0.4} 94. h5 Kf3 {+327.54/2 0.4} 95. h6
{Parrot resigns} 0-1

[Event "2011 Sixth Annual ACCA Pan American Computer Chess Championships"]
[Site "HGM Server"]
[Date "2011.11.12"]
[Round "3"]
[White "Hannibal"]
[Black "Gaviota"]
[Result "1-0"]
[WhiteElo "1983"]
[BlackElo "1760"]
[TimeControl "2700+10"]
[Annotator "2... -0.07"]

1. e4 e6 2. c3 d5 {-0.07/20 2:50} 3. e5 c5 {-0.10/19 1:27} 4. d4 Nc6
{+0.00/20 1:25} 5. Nf3 Qb6 {+0.00/20 2:21} 6. a3 Nh6 {+0.04/14 0.4} 7. b4
cxd4 {+0.36/13 0.4} 8. cxd4 Nf5 {+0.45/13 0.4} 9. Bb2 Bd7 {-0.14/12 0.4}
10. g4 Nfe7 {-0.23/12 0.4} 11. Nc3 Ng6 {-0.38/12 0.4} 12. Rc1 h5
{+0.25/20 2:34} 13. Rg1 hxg4 {+0.42/20 1:23} 14. Rxg4 a5 {+0.25/21 0.3} 15.
b5 Nce7 {+0.14/21 30} 16. Na4 Qd8 {+0.05/22 43} 17. Nc5 Bc8 {+0.00/20 1:04}
18. Qa4 Qb6 {-0.19/20 0.3} 19. Qc2 Rb8 {-0.01/19 1:19} 20. Bc3 Ra8
{+0.00/20 1:17} 21. Qa4 Qd8 {-0.16/19 1:29} 22. Bd2 b6 {-1.39/19 1:52} 23.
Na6 Ra7 {-1.63/20 48} 24. Qc2 Qd7 {-1.69/18 35} 25. a4 Qb7 {-2.27/19 2:54}
26. Bd3 Rh3 {-2.44/20 41} 27. Ke2 Nh8 {-2.39/19 1:03} 28. Bg5 Bd7
{-2.56/20 40} 29. Rg3 Rh5 {-3.31/20 1:02} 30. Rgg1 Kd8 {-2.93/20 1:00} 31.
Qc3 Be8 {-3.12/20 43} 32. Rc2 f5 {-3.60/19 1:20} 33. exf6 gxf6 {-3.83/19 4}
34. Bxf6 Rh6 {-3.98/18 0.4} 35. Bg5 Nf7 {-3.92/19 0.4} 36. Bf4 Bd7
{-4.38/18 56} 37. Bxh6 Bxh6 {-5.16/19 57} 38. Bg6 Nxg6 {-5.26/18 0.3} 39.
Rxg6 Be8 {-6.00/18 46} 40. Rxe6 Bf4 {-7.10/17 2:27} 41. Qa3 Qd7
{-9.40/16 1:01} 42. Rcc6 Rb7 {-11.94/17 1:15} 43. h4 Bh6 {-11.96/16 45} 44.
Ne5 Nxe5 {-11.20/15 58} 45. dxe5 Qh7 {-12.75/15 39} 46. Qd6+ Bd7
{-13.06/16 5} 47. f3 Qg7 {-16.52/19 5:07} 48. Rg6 Qf8 {-16.52/17 27} 49.
Rxh6 Qxd6 {-21.71/19 2:37} 50. Rcxd6
{Gaviota resigns} 1-0

[Event "2011 Sixth Annual ACCA Pan American Computer Chess Championships"]
[Site "HGM Server"]
[Date "2011.11.13"]
[Round "4"]
[White "Gaviota"]
[Black "Crafty"]
[Result "1/2-1/2"]
[WhiteElo "1760"]
[BlackElo "1951"]
[TimeControl "2700+10"]
[Annotator "2. -0.14"]

1. d4 Nf6 2. c4 {-0.14/12 0.4} e6 3. Nc3 {+0.01/12 0.4} Bb4 4. f3
{-0.05/11 0.4} d5 5. a3 {+0.15/11 0.4} Bxc3+ 6. bxc3 {+0.32/12 0.4} c5 7.
cxd5 {+0.25/12 0.4} Nxd5 8. dxc5 {-0.26/11 0.4} Qa5 9. e4 {-0.46/11 0.4}
Ne7 10. Be3 {-0.49/11 0.4} O-O 11. Qb3 {-0.47/11 0.4} Nd7 12. Bb5
{-0.48/19 0.4} Qc7 13. Bxd7 {-0.45/21 0.4} Bxd7 14. Ne2 {-0.45/20 0.4} Nc6
15. c4 {-0.37/20 0.4} f5 16. exf5 {+0.41/19 3:11} exf5 17. Nf4
{+0.34/18 1.3} Qa5+ 18. Kf1 {+0.49/17 1:41} Rae8 19. Rc1 {+0.23/18 3:14}
Ne5 20. h4 {+0.16/18 1:31} Bc6 21. Kf2 {+0.24/19 1:30} Rf7 22. Qc3
{+0.19/19 1:29} Qxc3 23. Rxc3 {+0.13/21 1:14} Rd7 24. Re1 {+0.23/21 49} Kf7
25. Re2 {+0.22/20 1:25} a6 26. Rd2 {+0.30/19 1:22} Red8 27. Rxd7+
{+0.30/21 1:19} Rxd7 28. Kg3 {+0.32/21 47} g6 29. Ne2 {+0.30/21 1:59} Nd3
30. Nf4 {+0.30/22 0.4} Nb2 31. Rc2 {+0.24/21 1:14} Nd1 32. Bg1
{+0.23/22 0.4} Ba4 33. Rc1 {+0.21/22 0.4} Rd2 34. Nd5 {+0.14/21 0.4} Bc6
35. Nb4 {+0.00/22 0.4} Bd7 36. a4 {+0.00/20 1:15} a5 37. c6 {+0.21/20 1:14}
bxc6 38. Na6 {+0.17/22 1:12} Nb2 39. Nc5 {+0.07/21 54} f4+ 40. Kxf4
{+0.11/22 28} Rxg2 41. Bd4 {+0.08/21 14} Bf5 42. Ke5 {+0.08/21 9} Nd3+ 43.
Nxd3 {+0.17/22 0.4} Bxd3 44. Rc3 {+0.14/20 44} Bc2 45. Ra3 {+0.22/20 0.4}
h5 46. Bb6 {+0.48/20 1:08} g5 47. hxg5 {+0.48/20 2.7} Rxg5+ 48. Kd6
{+0.44/20 9} h4 49. Kxc6 {+0.51/19 18} h3 50. Bc7 {+0.51/19 29} Bd1 51. c5
{+0.78/18 1:05} Rg2 52. Kb6 {+0.60/19 2:21} h2 53. Bxh2 {+0.66/21 21} Rxh2
54. c6 {+0.62/21 56} Rb2+ 55. Kxa5 {+0.10/21 55} Bb3 56. c7 {+0.03/22 52}
Be6 57. Rc3 {+0.03/24 53} Bc8 58. f4 {+0.03/26 0.4} Ke6 59. f5+
{+0.00/24 58} Kxf5 60. Rd3 {+0.03/25 48} Rb7 61. Rd8 {+0.03/31 0.4} Rxc7
62. Kb6 {+0.03/39 5} Rc2 63. Rxc8 {+0.03/43 1:08} Rxc8 64. a5 {-0.11/2 0.4}
Rb8+ 65. Kc6 {-0.11/2 0.8} Rf8 66. a6 {-0.11/2 0.8} Rf7 67. Kc5
{-0.11/2 0.8} Ke6 68. Kc6 {-0.11/2 0.8} Rd7 69. Kc5 {-0.11/2 0.8} Rd6 70.
Kb5 {-0.11/2 0.4} Rd2 71. a7 {-0.11/2 0.8} Ra2 72. Kb6 {-0.11/2 0.8} Kd7
73. Kb7 {-0.11/2 0.4} Rxa7+ 74. Kxa7 {+0.00/2 0.4}
{Neither player has mating material} 1/2-1/2

[Event "2011 Sixth Annual ACCA Pan American Computer Chess Championships"]
[Site "HGM Server"]
[Date "2011.11.12"]
[Round "1"]
[White "RedQueen"]
[Black "TinkerX"]
[Result "0-1"]
[WhiteElo "1745"]
[BlackElo "1460"]
[TimeControl "2700+10"]

1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7
8. a3 O-O 9. d3 Be6 10. b4 f5 11. Bb2 Qd6 12. Rc1 Bf7
{Black lost due to disconnections} 0-1

[Event "2011 Sixth Annual ACCA Pan American Computer Chess Championships"]
[Site "HGM Server"]
[Date "2011.11.12"]
[Round "2"]
[White "RedQueen"]
[Black "Crafty"]
[Result "1/2-1/2"]
[WhiteElo "1745"]
[BlackElo "1951"]
[TimeControl "2700+10"]
[Annotator "10. -0.02"]

1. c4 e6 2. Nf3 d5 3. d4 Nf6 4. Nc3 Be7 5. Bf4 O-O 6. e3 Nbd7 7. c5 Nh5 8.
Bd3 Nxf4 9. exf4 c6 10. Qc2 {-0.02/20 2:50} g6 11. h4 {+0.04/21 3:24} Nf6
12. a3 {+0.00/21 28} b6 13. b4 {+0.07/21 0.4} Qc7 14. g3 {-0.03/21 2:15} a5
15. Na4 {+0.37/20 1:44} b5 16. Nb6 {+0.24/23 2:17} Ra7 17. O-O
{+0.27/21 1:45} axb4 18. axb4 {+0.37/21 1:48} Rxa1 19. Rxa1 {+0.36/21 1:50}
Bb7 20. Qe2 {+0.43/21 57} Nd7 21. Nxd7 {+0.53/22 1:30} Qxd7 22. Ne5
{+0.57/22 1:09} Qc7 23. h5 {+0.54/20 6} Bf6 24. Qg4 {+0.51/22 1.5} Re8 25.
Ra7 {+0.38/19 2:04} Kf8 26. hxg6 {+0.69/20 2:47} hxg6 27. Nxf7
{+0.35/20 1:08} Qxf7 28. Bxg6 {+0.10/22 0.3} Qg7 29. Rxb7 {+0.22/22 0.3}
Qxb7 30. Bxe8 {+0.00/22 21} Kxe8 31. Qxe6+ {+0.00/21 38} Be7 32. f5
{+0.00/21} Qd7 33. Qg8+ {+0.00/22 1.0} Bf8 34. Qg6+ {+0.00/22 48} Kd8 35.
Qf6+ {+0.00/21 2.9} Be7 36. Qh8+ {+0.00/23 1:55} Qe8 37. Qe5 {+0.00/22 36}
Kd7 38. Qe6+ {+0.00/21 0.7} Kd8 39. Qe5 {+0.00/21 11} Kd7 40. Qe6+
{+0.00/21} Kd8 41. Qe5 {+0.00/22 1:29}
{Game drawn by repetition} 1/2-1/2

[Event "2011 Sixth Annual ACCA Pan American Computer Chess Championships"]
[Site "HGM Server"]
[Date "2011.11.12"]
[Round "3"]
[White "Thinker"]
[Black "RedQueen"]
[Result "1-0"]
[WhiteElo "2029"]
[BlackElo "1745"]
[TimeControl "2700+10"]
[Annotator "17... -0.37"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8.
h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bd2 Ngf6 12. O-O-O Qc7 13. Ne4 O-O-O 14.
g3 Nxe4 15. Qxe4 Bd6 16. c4 Qb6 17. Kb1 Qa6 {-0.37/20} 18. Qe2 Rhe8
{-0.33/19 2:27} 19. Bc3 f5 {-0.10/21} 20. Ne5 Nf6 {-0.36/20 24} 21. f3 b5
{-0.34/20 2:31} 22. cxb5 cxb5 {-0.44/21 1:47} 23. Nf7 Rd7 {-0.61/21 1:44}
24. Nxd6+ Rxd6 {-0.91/20} 25. Bb4 Rc6 {-0.20/20 39} 26. Rc1 Kb7
{-0.24/18 6} 27. Bc5 Ka8 {-0.35/17 1:23} 28. Rc3 Qb7 {-0.08/20} 29. Rb3 a6
{-0.72/20 1:04} 30. a4 b4 {-0.91/21 23} 31. Rxb4 Qc7 {-0.93/17 4} 32. Rc1
Nxh5 {-0.05/19 1:08} 33. d5 Nxg3 {-2.80/22 59} 34. Qe3 Nf1 {-2.59/21 14}
35. Qd3 exd5 {-2.27/21 2.5} 36. Qxf1 Ree6 {-3.18/20} 37. Qf2 Qd7 {-3.30/20}
38. Qd4 Rc8 {-3.32/19 1.1} 39. Qd3 g6 {-3.53/19 1:08} 40. Be3 Rxc1+
{-4.33/19 1:09} 41. Bxc1 g5 {-4.33/18 1.7} 42. Be3 Rc6 {-5.34/17 43} 43.
Qb3 Qc8 {-6.41/22 1:53} 44. Qxd5 Qe6 {-6.90/21 28} 45. Qd4 Rc7
{-7.59/19 51} 46. Qh8+ Qc8 {-8.14/18 33} 47. Qxh6 f4 {-7.49/19 56} 48. Bd4
Rc1+ {-9.17/18 37} 49. Ka2 Rc6 {-8.25/19 30} 50. Qh7 Qc7 {-22.61/21 45} 51.
Qe4 g4 {+0.00/18 40} 52. Be5 Qd7 {-99.84/16 1:35} 53. Rb6 Qe6+
{-99.86/14 3} 54. b3 Ka7 {-99.88/15 0.1} 55. Rxc6 Qd7 {-99.90/15 0.3} 56.
Bd4+ Kb7 {-99.88/15 0.3} 57. Rb6+ Kc7 {-99.90/9 0.1} 58. Qxf4+ Kd8
{-99.92/53} 59. Qf8+ Qe8 {-99.96/6} 60. Qd6+ Kc8 {-99.98/19 1.0} 61. Rb8#
{RedQueen checkmated} 1-0

[Event "2011 Sixth Annual ACCA Pan American Computer Chess Championships"]
[Site "HGM Server"]
[Date "2011.11.13"]
[Round "4"]
[White "RedQueen"]
[Black "Symbolic"]
[Result "1-0"]
[WhiteElo "1745"]
[BlackElo "0"]
[TimeControl "2700+10"]
[Annotator "12. +0.66"]

1. Nf3 f5 2. g3 Nf6 3. Bg2 d6 4. d4 g6 5. b3 Bg7 6. Bb2 O-O 7. c4 Qe8 8.
Nbd2 Na6 9. O-O h6 10. Ne1 c6 11. Nd3 Qf7 12. f3 {+0.66/20 3:14} Kh7 13. e4
{+1.06/20 2:50} Be6 14. e5 {+1.09/20 2:11} dxe5 15. Nxe5 {+1.38/20 1:23}
Qg8 16. Re1 {+1.33/20 28} f4 17. Qe2 {+1.70/18 1:54} Nc7 18. Rad1
{+1.67/18 1:41} a5 19. g4 {+2.03/19 2:21} Nfe8 20. Ne4 {+1.96/17 1:41} Bxe5
21. dxe5 {+1.49/18 1:02} a4 22. Qf2 {+1.86/19 4} axb3 23. axb3
{+1.67/19 1:40} b5 24. Qc5 {+2.28/18 2.9} Qf7 25. Qxc6 {+2.05/20} Ra2 26.
Bc3 {+2.60/21 1:35} bxc4 27. bxc4 {+2.23/20 22} Bxc4 28. Nf6+ {+2.24/21 24}
exf6 29. Rd7 {+2.47/22 1:51} Bd5 30. Rxf7+ {+2.75/21 9} Rxf7 31. Qb6
{+2.75/19 17} fxe5 32. Rxe5 {+2.93/18 6} Rc2 33. Qd4 {+3.46/21 1:28} Be6
34. Rxe6 {+8.61/22 2:23} Rxc3 35. Qxc3 {+3.48/22 56} Nxe6 36. Bf1
{+3.51/22 0.9} N8g7 37. Bc4 {+4.14/21 58} Rf8 38. h4 {+4.56/22 1:08} h5 39.
gxh5 {+4.77/23 1:14} gxh5 40. Qc2+ {+5.09/22 7} Kh6 41. Qe4 {+7.21/23 2.3}
Rf6 42. Bd3 {+7.88/22 2.8} Nf8 43. Qd4 {+7.97/24 1:47} Rf7 44. Qd5
{+10.53/23 12} Nfe6 45. Qe5 {+10.67/24 10} Rf8 46. Kh1 {+6.20/25 12} Rf7
47. Kh2 {+11.74/27 7} Rf8 48. Qe4 {+12.38/24 10} Rf5 49. Qb7 {+11.35/21 3}
Kg6 50. Qe7 {+10.95/22 5} Nd4 51. Kg2 {+12.99/20 11} Nge6 52. Kf2
{+15.77/22 42} Ng7 53. Qe5 {+15.93/21 12} Kf7 54. Qxd4 {+16.64/21 2.5} Rf6
55. Bc4+ {+21.62/19 1:26} Ke7 56. Qa7+ {+18.24/16 1:06} Kd8 57. Bb5
{+143.76/17 1:15} Rd6 58. Qb8+ {+99.77/16 0.5} Ke7 59. Qc7+ {+99.63/15 23}
Ke6 60. Bc4+ {+99.83/16 7} Rd5 61. Qc6+ {+99.83/14 5} Ke7 62. Qxd5
{+99.87/15 4} Ne8 63. Qe5+ {+99.89/14 1.1} Kd8 64. Bb5 {+99.91/56} Nc7 65.
Qd6+ {+99.93/8 0.2} Kc8 66. Bd7+ {+99.95/8 0.1} Kb7 67. Qc6+ {+99.97/9 0.1}
{Symbolic resigns} 1-0

