Dawnfall of AB engines are real! SF lose vs Handicap Leela

Nay Lin Tun · Post by **Nay Lin Tun** » Wed Oct 03, 2018 5:07 pm

[pgn][Event "CCCC 1: Rapid Rumble (15|5) Bonus Games"] [Site "Chess.com"] [Date "2018.10.03"] [Round "?"] [White "Lc0 17.11089"] [Black "Stockfish 220818"] [Result "1-0"] [BlackElo "3400"] [ECO "A02"] [Opening "Bird Opening"] [Time "09:33:10"] [WhiteElo "3300"] [TimeControl "900+5"] [Termination "normal"] [PlyCount "235"] [WhiteType "human"] [BlackType "program"] 1. f4 Nh6 2. f5 Nxf5 3. Nf3 Nh6 4. Ng1 Ng8 5. e4 e6 6. Nc3 d5 7. d4 Bb4 8. e5 Qh4+ 9. g3 Qd8 10. a3 Bf8 11. Be3 Ne7 12. Nf3 Nf5 13. Bg5 Be7 14. Bxe7 Nxe7 15. Bd3 h6 16. b4 b6 17. O-O O-O 18. Ne2 c6 19. a4 c5 20. c3 Nbc6 21. Qd2 Bd7 22. Rae1 Rc8 23. b5 Na5 24. Nf4 cxd4 25. cxd4 Qc7 26. Rc1 Qd8 27. Rxc8 Qxc8 28. Nh5 Nc4 29. Qf4 Ng6 30. Nf6+ Kh8 31. Qc1 Na5 32. Qd2 Nc4 33. Qc1 Na5 34. Bxg6 Qxc1 35. Rxc1 gxf6 36. Bh5 Nc4 37. exf6 Kg8 38. Ne5 Nxe5 39. dxe5 Rc8 40. Rxc8+ Bxc8 41. Be2 d4 42. Bf3 h5 43. Bxh5 Bb7 44. Kf2 Be4 45. Ke1 d3 46. Kd2 Kf8 47. Ke3 Bh7 48. Bd1 Ke8 49. g4 Kd8 50. Kd2 Ke8 51. Ke3 Kf8 52. Kf3 Ke8 53. Kf2 Kd7 54. Ke3 Kc7 55. h4 Kc8 56. h5 Kd7 57. Kf3 Ke8 58. Kf2 Kf8 59. Ke3 Kg8 60. Kf4 Kh8 61. Kf3 Bg8 62. Ke4 Bh7+ 63. Kf4 Kg8 64. Ke3 Kf8 65. Kf2 Be4 66. Ke3 Bh7 67. Bb3 Kg8 68. Bc4 d2 69. Kxd2 Be4 70. Be2 Bb7 71. g5 Be4 72. Bd1 Kh8 73. Kc3 Kg8 74. Be2 Bf5 75. Kd2 Bb1 76. Bd1 Kf8 77. Kc3 Ke8 78. Kb2 Bh7 79. Kc3 Be4 80. Kd2 Bf5 81. Ke3 Bb1 82. Kf3 Kf8 83. Ke3 Ke8 84. Kd4 Kf8 85. Kc3 Bh7 86. Be2 Kg8 87. Bg4 Be4 88. Bd1 Kh8 89. Kd2 Bh7 90. Bg4 Kg8 91. Bd1 Kf8 92. Bb3 Ke8 93. Bc4 Kd7 94. Be2 Ke8 95. Kc3 Kf8 96. Bd1 Bb1 {3-fold repetition} 97. Bg4 Be4 98. Kd2 Kg8 99. g6 fxg6 100. Bxe6+ Kf8 101. h6 g5 102. Ke3 Bg6 103. Bd5 g4 104. Kf4 g3 105. Kxg3 Ke8 106. e6 Kd8 107. Kf4 a6 108. bxa6 Be8 109. a7 Kc7 110. a8=Q Kd6 111. h7 Kc5 112. h8=R Bd7 113. Ke5 Kb4 114. Rh3 Bxa4 115. Kd4 Bd1 116. Bc6 Bb3 117. f7 b5 118. f8=Q# 1-0 [/pgn]

P.S, SF may lose one piece handicap Leela in 2019, who knows.

I think SF missed tactics, and played 8.... Qh4+, expecting that Leela wont play 9. g3 ! ( 9.... Qe4 + 10. Kf2 Qxh1 ). Howerver , queen is trapped after that black lose back a piece. So aggressive pruning at root exclude 9. g3 in low depth. (But SF see 8.... Qh4+ is bad in high depth, ? about 1 billion nodes)

Damir · Post by **Damir** » Wed Oct 03, 2018 5:14 pm

Wishful thinking…..

Nay Lin Tun · Post by **Nay Lin Tun** » Wed Oct 03, 2018 7:38 pm

I analysed that game and I am amazed that 1060 GTX leela depth is higher than 4 cores , 3 GHz, SF depth.

Leela depth 24/69
SF depth 40/66
https://ibb.co/iRPg8e

Leo · Post by **Leo** » Wed Oct 03, 2018 7:42 pm

Keep on dreaming.

corres · Post by **corres** » Thu Oct 04, 2018 12:14 am

Nay Lin Tun wrote: ↑Wed Oct 03, 2018 5:07 pm [pgn][Event "CCCC 1: Rapid Rumble (15|5) Bonus Games"] [Site "Chess.com"] [Date "2018.10.03"] [Round "?"] [White "Lc0 17.11089"] [Black "Stockfish 220818"] [Result "1-0"] [BlackElo "3400"] [ECO "A02"] [Opening "Bird Opening"] [Time "09:33:10"] [WhiteElo "3300"] [TimeControl "900+5"] [Termination "normal"] [PlyCount "235"] [WhiteType "human"] [BlackType "program"] 1. f4 Nh6 2. f5 Nxf5 3. Nf3 Nh6 4. Ng1 Ng8 5. e4 e6 6. Nc3 d5 7. d4 Bb4 8. e5 Qh4+ 9. g3 Qd8 10. a3 Bf8 11. Be3 Ne7 12. Nf3 Nf5 13. Bg5 Be7 14. Bxe7 Nxe7 15. Bd3 h6 16. b4 b6 17. O-O O-O 18. Ne2 c6 19. a4 c5 20. c3 Nbc6 21. Qd2 Bd7 22. Rae1 Rc8 23. b5 Na5 24. Nf4 cxd4 25. cxd4 Qc7 26. Rc1 Qd8 27. Rxc8 Qxc8 28. Nh5 Nc4 29. Qf4 Ng6 30. Nf6+ Kh8 31. Qc1 Na5 32. Qd2 Nc4 33. Qc1 Na5 34. Bxg6 Qxc1 35. Rxc1 gxf6 36. Bh5 Nc4 37. exf6 Kg8 38. Ne5 Nxe5 39. dxe5 Rc8 40. Rxc8+ Bxc8 41. Be2 d4 42. Bf3 h5 43. Bxh5 Bb7 44. Kf2 Be4 45. Ke1 d3 46. Kd2 Kf8 47. Ke3 Bh7 48. Bd1 Ke8 49. g4 Kd8 50. Kd2 Ke8 51. Ke3 Kf8 52. Kf3 Ke8 53. Kf2 Kd7 54. Ke3 Kc7 55. h4 Kc8 56. h5 Kd7 57. Kf3 Ke8 58. Kf2 Kf8 59. Ke3 Kg8 60. Kf4 Kh8 61. Kf3 Bg8 62. Ke4 Bh7+ 63. Kf4 Kg8 64. Ke3 Kf8 65. Kf2 Be4 66. Ke3 Bh7 67. Bb3 Kg8 68. Bc4 d2 69. Kxd2 Be4 70. Be2 Bb7 71. g5 Be4 72. Bd1 Kh8 73. Kc3 Kg8 74. Be2 Bf5 75. Kd2 Bb1 76. Bd1 Kf8 77. Kc3 Ke8 78. Kb2 Bh7 79. Kc3 Be4 80. Kd2 Bf5 81. Ke3 Bb1 82. Kf3 Kf8 83. Ke3 Ke8 84. Kd4 Kf8 85. Kc3 Bh7 86. Be2 Kg8 87. Bg4 Be4 88. Bd1 Kh8 89. Kd2 Bh7 90. Bg4 Kg8 91. Bd1 Kf8 92. Bb3 Ke8 93. Bc4 Kd7 94. Be2 Ke8 95. Kc3 Kf8 96. Bd1 Bb1 {3-fold repetition} 97. Bg4 Be4 98. Kd2 Kg8 99. g6 fxg6 100. Bxe6+ Kf8 101. h6 g5 102. Ke3 Bg6 103. Bd5 g4 104. Kf4 g3 105. Kxg3 Ke8 106. e6 Kd8 107. Kf4 a6 108. bxa6 Be8 109. a7 Kc7 110. a8=Q Kd6 111. h7 Kc5 112. h8=R Bd7 113. Ke5 Kb4 114. Rh3 Bxa4 115. Kd4 Bd1 116. Bc6 Bb3 117. f7 b5 118. f8=Q# 1-0 [/pgn]

P.S, SF may lose one piece handicap Leela in 2019, who knows.

I think SF missed tactics, and played 8.... Qh4+, expecting that Leela wont play 9. g3 ! ( 9.... Qe4 + 10. Kf2 Qxh1 ). Howerver , queen is trapped after that black lose back a piece. So aggressive pruning at root exclude 9. g3 in low depth. (But SF see 8.... Qh4+ is bad in high depth, ? about 1 billion nodes)

Anytime you can find games what was lost by Stockfish against a weaker engine.

Nay Lin Tun · Post by **Nay Lin Tun** » Thu Oct 04, 2018 6:17 am

Well, this 10xxxx series is buggy, no TB,not best net etc.

If 20xxxx series and 30xxxx series are fully trained in 2019,
serious chess players will need either
$1200 2080 Ti (upgrade)for Leela or
$5000 -(upgrade) for 128 cores Stockfish.

Btw, SF lose both sides of opening to Leela. ( First time SF lose both sides in the last 3 years, I guess)
Leela is currently No. 1 in cccc.

Uri Blass · Post by **Uri Blass** » Thu Oct 04, 2018 9:04 am

Nay Lin Tun wrote: ↑Wed Oct 03, 2018 5:07 pm [pgn][Event "CCCC 1: Rapid Rumble (15|5) Bonus Games"] [Site "Chess.com"] [Date "2018.10.03"] [Round "?"] [White "Lc0 17.11089"] [Black "Stockfish 220818"] [Result "1-0"] [BlackElo "3400"] [ECO "A02"] [Opening "Bird Opening"] [Time "09:33:10"] [WhiteElo "3300"] [TimeControl "900+5"] [Termination "normal"] [PlyCount "235"] [WhiteType "human"] [BlackType "program"] 1. f4 Nh6 2. f5 Nxf5 3. Nf3 Nh6 4. Ng1 Ng8 5. e4 e6 6. Nc3 d5 7. d4 Bb4 8. e5 Qh4+ 9. g3 Qd8 10. a3 Bf8 11. Be3 Ne7 12. Nf3 Nf5 13. Bg5 Be7 14. Bxe7 Nxe7 15. Bd3 h6 16. b4 b6 17. O-O O-O 18. Ne2 c6 19. a4 c5 20. c3 Nbc6 21. Qd2 Bd7 22. Rae1 Rc8 23. b5 Na5 24. Nf4 cxd4 25. cxd4 Qc7 26. Rc1 Qd8 27. Rxc8 Qxc8 28. Nh5 Nc4 29. Qf4 Ng6 30. Nf6+ Kh8 31. Qc1 Na5 32. Qd2 Nc4 33. Qc1 Na5 34. Bxg6 Qxc1 35. Rxc1 gxf6 36. Bh5 Nc4 37. exf6 Kg8 38. Ne5 Nxe5 39. dxe5 Rc8 40. Rxc8+ Bxc8 41. Be2 d4 42. Bf3 h5 43. Bxh5 Bb7 44. Kf2 Be4 45. Ke1 d3 46. Kd2 Kf8 47. Ke3 Bh7 48. Bd1 Ke8 49. g4 Kd8 50. Kd2 Ke8 51. Ke3 Kf8 52. Kf3 Ke8 53. Kf2 Kd7 54. Ke3 Kc7 55. h4 Kc8 56. h5 Kd7 57. Kf3 Ke8 58. Kf2 Kf8 59. Ke3 Kg8 60. Kf4 Kh8 61. Kf3 Bg8 62. Ke4 Bh7+ 63. Kf4 Kg8 64. Ke3 Kf8 65. Kf2 Be4 66. Ke3 Bh7 67. Bb3 Kg8 68. Bc4 d2 69. Kxd2 Be4 70. Be2 Bb7 71. g5 Be4 72. Bd1 Kh8 73. Kc3 Kg8 74. Be2 Bf5 75. Kd2 Bb1 76. Bd1 Kf8 77. Kc3 Ke8 78. Kb2 Bh7 79. Kc3 Be4 80. Kd2 Bf5 81. Ke3 Bb1 82. Kf3 Kf8 83. Ke3 Ke8 84. Kd4 Kf8 85. Kc3 Bh7 86. Be2 Kg8 87. Bg4 Be4 88. Bd1 Kh8 89. Kd2 Bh7 90. Bg4 Kg8 91. Bd1 Kf8 92. Bb3 Ke8 93. Bc4 Kd7 94. Be2 Ke8 95. Kc3 Kf8 96. Bd1 Bb1 {3-fold repetition} 97. Bg4 Be4 98. Kd2 Kg8 99. g6 fxg6 100. Bxe6+ Kf8 101. h6 g5 102. Ke3 Bg6 103. Bd5 g4 104. Kf4 g3 105. Kxg3 Ke8 106. e6 Kd8 107. Kf4 a6 108. bxa6 Be8 109. a7 Kc7 110. a8=Q Kd6 111. h7 Kc5 112. h8=R Bd7 113. Ke5 Kb4 114. Rh3 Bxa4 115. Kd4 Bd1 116. Bc6 Bb3 117. f7 b5 118. f8=Q# 1-0 [/pgn]

P.S, SF may lose one piece handicap Leela in 2019, who knows.

I think SF missed tactics, and played 8.... Qh4+, expecting that Leela wont play 9. g3 ! ( 9.... Qe4 + 10. Kf2 Qxh1 ). Howerver , queen is trapped after that black lose back a piece. So aggressive pruning at root exclude 9. g3 in low depth. (But SF see 8.... Qh4+ is bad in high depth, ? about 1 billion nodes)

SF(3 cores 1024 mbytes hash) can find with less than 500,000,000 nodes

[d]rnbqk1nr/ppp2ppp/4p3/3pP3/1b1P4/2N5/PPP3PP/R1BQKBNR b KQkq - 0 8

Stockfish_18092721_x64_modern:
1/1 00:00 122 61k +1.56 8. ... Nc6
2/2 00:00 588 196k +0.93 8. ... Nc6 9.a3
3/3 00:00 694 231k +0.99 8. ... Nc6 9.a3 Bxc3+ 10.bxc3
4/4 00:00 2k 605k +0.85 8. ... Ne7 9.a3 Bxc3+ 10.bxc3
5/8 00:00 2k 617k +4.90 8. ... Qh4+ 9.g3 Bxc3+ 10.bxc3 Qe4+ 11.Qe2 Qxh1
6/8 00:00 6k 1,146k +1.59 8. ... Ne7 9.Nf3 0-0 10.a3 Bxc3+ 11.bxc3
7/10 00:00 9k 1,509k +3.73 8. ... Bxc3+ 9.bxc3 Qh4+ 10.Ke2 b6 11.Nf3 Ba6+ 12.Kd2 Qf2+ 13.Be2 Qxg2
8/11 00:00 13k 1,575k +2.26 8. ... Bxc3+ 9.bxc3 Qh4+ 10.Kd2 b6 11.Nf3 Qe4 12.g3 Ne7
9/13 00:00 31k 1,836k +1.97 8. ... c5 9.Bb5+ Bd7 10.Bxd7+ Qxd7 11.a3 cxd4 12.axb4 dxc3 13.bxc3 Nc6
10/15 00:00 74k 2,065k +1.50 8. ... Bxc3+ 9.bxc3 Qh4+ 10.Kd2 Nc6 11.Nf3 Qe4 12.g3 Nge7 13.Bd3 Qg4 14.Ba3 0-0
11/15 00:00 158k 2,105k +1.95 8. ... c5 9.Nf3 Ne7 10.Bd3 cxd4 11.Nxd4 Nbc6 12.Nxc6 Nxc6 13.Qg4 Bxc3+ 14.bxc3
12/18 00:00 320k 2,302k +1.48 8. ... c5 9.Nf3 Nc6 10.a3 Bxc3+ 11.bxc3 c4 12.Be2 Nge7 13.0-0 0-0 14.Nh4 Bd7 15.Bd2
13/21 00:00 511k 2,455k +1.69 8. ... c5 9.Nf3 Nc6 10.Bb5 Nge7 11.Bxc6+ bxc6 12.0-0 Bxc3 13.bxc3 Ba6 14.Rf2 0-0 15.a3 cxd4
14/21 00:00 779k 2,572k +1.56 8. ... c5 9.Nf3 Nc6 10.a3 Ba5 11.Bb5 Nge7 12.dxc5 Bxc3+ 13.bxc3 0-0 14.Qd3 Qc7 15.0-0 Nf5 16.Be3 Rd8 17.Bxc6 bxc6
15/24 00:00 1,571k 2,708k +1.52 8. ... c5 9.Nf3 Ne7 10.a3 Bxc3+ 11.bxc3 Nbc6 12.Be2 h6 13.0-0 Nf5 14.g4 Nh4 15.Nxh4 Qxh4 16.Rb1 0-0
16/30 00:00 1,882k 2,685k +1.45 8. ... c5 9.Nf3 Nc6 10.a3 Ba5 11.dxc5 d4 12.b4 dxc3 13.bxa5 Qxa5 14.Nd4 Nge7 15.Nxc6 bxc6 16.Qg4 Ng6 17.Qb4 Qxb4 18.axb4 Nxe5 19.Ra3
17/30 00:01 2,953k 2,771k +1.34 8. ... Qh4+ 9.Ke2 Bxc3 10.bxc3 b6 11.Nf3 Ba6+ 12.Ke3 Qe4+ 13.Kf2 Bxf1 14.Rxf1 Ne7 15.Re1 Qf5 16.Ba3 Nbc6 17.Bxe7 Kxe7 18.Rb1 h6 19.Kg1 g5
18/29 00:01 3,179k 2,779k +1.46 8. ... Qh4+ 9.Ke2 Bxc3 10.bxc3 b6 11.Nf3 Ba6+ 12.Ke3 Qe4+ 13.Kf2 Bxf1 14.Rxf1 h6 15.Re1 Qf5 16.Qd3 Qxd3 17.cxd3 Nc6 18.Rb1 Nge7 19.Bd2 0-0 20.h3
19/28 00:01 3,626k 2,800k +1.51 8. ... Qh4+ 9.Ke2 Bxc3 10.bxc3 b6 11.Nf3 Ba6+ 12.Ke3 Qe4+ 13.Kf2 Bxf1 14.Rxf1 h6 15.Re1 Qf5 16.g4 Qg6 17.Ba3 Nc6 18.h3 Nge7 19.Bxe7 Nxe7 20.a4 0-0 21.Qd3 Kh8 22.Kg2
20/35 00:01 4,931k 2,837k +1.52 8. ... Qh4+ 9.Ke2 Bxc3 10.bxc3 b6 11.Nf3 Ba6+ 12.Ke3 Qe4+ 13.Kf2 Bxf1 14.Rxf1 h6 15.Ba3 Nc6 16.Qd3 Qxd3 17.cxd3 h5 18.h3 Nh6 19.Rab1 Nf5 20.g4 hxg4 21.hxg4 Nh4
21/35 00:02 8,095k 2,850k +1.68 8. ... c5 9.Nf3 Nc6 10.a3 cxd4 11.axb4 dxc3 12.Bb5 Qb6 13.Bxc6+ Qxc6 14.0-0 Ne7 15.Qd3 cxb2 16.Bxb2 Bd7 17.Bd4 Nf5 18.Bc5 b6 19.Nd4 Nxd4 20.Bxd4 0-0 21.h4 Rfc8
22/36- 00:03 9,592k 2,862k +1.59 8. ... c5 9.Nf3
22/37- 00:03 9,972k 2,866k +1.51 8. ... c5 9.Nf3
22/38 00:04 12,159k 2,899k +1.50 8. ... Qh4+ 9.Ke2 Bxc3 10.bxc3 b6 11.Nf3 Ba6+ 12.Ke3 Qe4+ 13.Kf2 Bxf1 14.Rxf1 h6 15.Qd3 Qxd3 16.cxd3 Nc6 17.a4 Nge7 18.Ba3 a5 19.Rab1 Nf5 20.g4 Nfe7 21.Bxe7 Nxe7 22.Ke2 Kd7 23.h4 Raf8 24.h5 Kc6 25.Ke3 Kb7
23/33 00:04 13,653k 2,904k +1.47 8. ... Qh4+ 9.Ke2 Bxc3 10.bxc3 b6 11.Nf3 Ba6+ 12.Ke3 Qe4+ 13.Kf2 Bxf1 14.Rxf1 h6 15.Qd3 Qxd3 16.cxd3 Nc6 17.a4 Nge7 18.Ba3 a5 19.Ke2 0-0-0 20.Rab1 Kb7 21.Nd2 Rdf8 22.Ke3 h5 23.Ke2 h4 24.h3
24/42 00:05 17,250k 2,922k +1.49 8. ... Qh4+ 9.Ke2 Bxc3 10.bxc3 b6 11.Nf3 Ba6+ 12.Ke3 Qe4+ 13.Kf2 Bxf1 14.Rxf1 h6 15.Qd3 Qxd3 16.cxd3 Nc6 17.a4 a5 18.Ke2 Nge7 19.Ba3 h5 20.Bxe7 Kxe7 21.h4 f6 22.Rab1 Kd7 23.Kd2 Raf8 24.Kc2 fxe5 25.Nxe5+ Nxe5 26.dxe5 Rf5 27.Rxf5
25/40 00:07 21,217k 2,943k +1.52 8. ... Qh4+ 9.Ke2 Bxc3 10.bxc3 b6 11.Nf3 Ba6+ 12.Ke3 Qe4+ 13.Kf2 Bxf1 14.Rxf1 h6 15.Qd3 Qxd3 16.cxd3 Nc6 17.a4 a5 18.Ke2 Nge7 19.Ba3 h5 20.Bxe7 Kxe7 21.g3 Rad8 22.Rab1 Rdf8 23.Ng5 f6 24.Nf3 Kd7 25.Ke3 fxe5 26.Nxe5+ Nxe5
26/39+ 00:12 36,401k 2,907k +1.60 8. ... Qh4+
26/39+ 00:14 41,833k 2,899k +1.69 8. ... Qh4+
26/41+ 00:27 79,689k 2,862k +1.82 8. ... Qh4+
26/48 00:39 112,115k 2,856k +1.87 8. ... Qh4+ 9.Ke2 f6 10.Nf3 Qh5 11.Be3 Nc6 12.Kd2 Nh6 13.exf6 gxf6 14.Kc1 Ng4 15.Bg1 Rg8 16.Kb1 Bxc3 17.bxc3 Bd7 18.h3 f5 19.Kb2 0-0-0 20.Ne5 Nf6 21.Bh2 Qxd1 22.Rxd1 Ne4 23.Re1 Nxe5 24.Bxe5
27/40+ 00:57 164,889k 2,854k +1.96 8. ... Qh4+
27/45 01:04 184,017k 2,856k +1.94 8. ... Qh4+ 9.Ke2 f6 10.Nf3 Qh5 11.g4 Qf7 12.Be3 Nc6 13.a3 Bxc3 14.bxc3 Nge7 15.Kd2 h5 16.g5 fxe5 17.Nxe5 Nxe5 18.dxe5 Nf5 19.Bd3 Bd7 20.g6 Qxg6 21.Rg1 Qf7 22.Qf3 a6 23.Bxf5 exf5 24.Bg5 f4 25.Raf1
28/46- 01:12 207,566k 2,859k +1.85 8. ... Qh4+ 9.Ke2
28/46- 01:14 212,942k 2,860k +1.77 8. ... Qh4+ 9.Ke2
28/46+ 01:17 220,587k 2,857k +1.85 8. ... Qh4+
28/46 01:23 237,219k 2,854k +1.94 8. ... Qh4+ 9.Ke2 f6 10.Nf3 Qh5 11.g4 Qf7 12.a3 Bxc3 13.bxc3 Ne7 14.Be3 Nbc6 15.Kd2 h5 16.g5 fxe5 17.Nxe5 Nxe5 18.dxe5 g6 19.Bd3 0-0 20.Rf1 Nf5 21.Kc1 b6 22.Qe1 c5 23.Kb2 Qd7 24.a4 Bb7 25.Bxf5 exf5
29/41- 01:27 249,638k 2,850k +1.85 8. ... Qh4+ 9.Ke2
29/43 01:28 251,720k 2,850k +1.88 8. ... Qh4+ 9.Ke2 f6 10.Nf3 Qh5 11.g4 Qf7 12.a3 Bxc3 13.bxc3 Ne7 14.Be3 Nbc6 15.Kd2 h5 16.g5 fxe5 17.Nxe5 Nxe5 18.dxe5 g6 19.Bd3 0-0 20.Rf1 Nf5 21.Kc1 b6 22.Qe2 Qe7 23.Kb2 c5 24.Bd2 Bb7 25.Rad1 Rae8 26.Rde1 Bc6 27.Bxf5 Rxf5 28.Rxf5 exf5 29.e6
30/47+ 01:46 305,008k 2,853k +1.97 8. ... Qh4+
30/47- 01:52 319,366k 2,851k +1.80 8. ... Qh4+ 9.Ke2
30/47- 01:56 331,706k 2,847k +1.67 8. ... Qh4+ 9.Ke2
30/47+ 02:16 388,322k 2,854k +1.80 8. ... Qh4+
30/49- 02:36 446,813k 2,855k +1.48 8. ... Qh4+ 9.g3
30/49 02:54 497,903k 2,855k +1.35 8. ... c5 9.Nf3 Nc6 10.a3 Ba5 11.dxc5 d4 12.b4 dxc3 13.bxa5 Qxd1+ 14.Kxd1 Nxa5 15.Bb5+ Nc6 16.Bxc6+ bxc6 17.Ke2 Ne7 18.Rd1 Ba6+ 19.Kf2 Nd5 20.Be3 h6 21.Nd4 Kd7 22.Nf3 Kc8 23.g3 Kc7 24.Rab1 Rhd8 25.Bd4 Rac8
31/48- 03:04 526,525k 2,854k +1.26 8. ... c5 9.Nf3
31/50+ 03:10 544,371k 2,855k +1.35 8. ... c5
31/50+ 03:13 552,947k 2,856k +1.48 8. ... c5
31/50 03:16 562,226k 2,857k +1.30 8. ... c5 9.Nf3 Nc6 10.a3 Ba5 11.dxc5 d4 12.b4 dxc3 13.bxa5 Qxd1+ 14.Kxd1 Nxa5 15.Bb5+ Bd7 16.Bxd7+ Kxd7 17.Rf1 Ne7 18.Ng5 h6 19.Ne4 Rhf8 20.Rb1 Nec6 21.Nxc3 Rab8 22.Nb5 Nxe5 23.Nxa7 Nac4 24.Nb5 b6 25.cxb6 Rxb6
32/43+ 03:25 588,054k 2,855k +1.39 8. ... c5
32/43+ 03:28 595,528k 2,856k +1.47 8. ... c5
32/43+ 03:31 604,654k 2,857k +1.60 8. ... c5
32/54 03:47 652,870k 2,868k +1.43 8. ... c5 9.Nf3 Nc6 10.a3 Ba5 11.dxc5 d4 12.b4 dxc3 13.bxa5 Qxd1+ 14.Kxd1 Nxa5 15.Ng5 Ne7 16.Bd3 Nac6 17.Re1 Ng6 18.Ne4 0-0 19.Nxc3 Ngxe5 20.Be3 Rd8 21.Ke2 Nxd3 22.cxd3 e5 23.Ne4 Bg4+ 24.Kd2 f6 25.Kc3 Bh5 26.Rab1 Rab8 27.Kc2 Bg6 28.Nd6
33/55- 03:57 680,309k 2,869k +1.34 8. ... c5 9.Nf3

jp · Post by jp » Thu Oct 04, 2018 10:55 am

Nay Lin Tun wrote: ↑Wed Oct 03, 2018 5:07 pm I think SF missed tactics, and played 8.... Qh4+, expecting that Leela wont play 9. g3 ! ( 9.... Qe4 + 10. Kf2 Qxh1 ). Howerver , queen is trapped after that black lose back a piece. So aggressive pruning at root exclude 9. g3 in low depth. (But SF see 8.... Qh4+ is bad in high depth, ? about 1 billion nodes)

Your pgn says 3-fold repetition. Did they just ignore that draw? Another chess.com bug?

Uri Blass · Post by **Uri Blass** » Thu Oct 04, 2018 12:46 pm

jp wrote: ↑Thu Oct 04, 2018 10:55 am
Nay Lin Tun wrote: ↑Wed Oct 03, 2018 5:07 pm I think SF missed tactics, and played 8.... Qh4+, expecting that Leela wont play 9. g3 ! ( 9.... Qe4 + 10. Kf2 Qxh1 ). Howerver , queen is trapped after that black lose back a piece. So aggressive pruning at root exclude 9. g3 in low depth. (But SF see 8.... Qh4+ is bad in high depth, ? about 1 billion nodes)
Your pgn says 3-fold repetition. Did they just ignore that draw? Another chess.com bug?

I think that it is a bug in the pgn.
There was no 3 fold repetition(I do not see a draw claim by my gui and I saw that the same pieces were in the same squares 3 times but not with the same player right to move).

Colin-G · Post by **Colin-G** » Thu Oct 04, 2018 1:28 pm

I just watched the Kingscrusher video of the game on youtube.
https://www.youtube.com/watch?v=1z8yR2xveJw

Dawnfall of AB engines are real! SF lose vs Handicap Leela

Dawnfall of AB engines are real! SF lose vs Handicap Leela

Re: Dawnfall of AB engines are real! SF lose vs Handicap Leela

Re: Dawnfall of AB engines are real! SF lose vs Handicap Leela

Re: Dawnfall of AB engines are real! SF lose vs Handicap Leela

Re: Dawnfall of AB engines are real! SF lose vs Handicap Leela

Re: Dawnfall of AB engines are real! SF lose vs Handicap Leela

Re: Dawnfall of AB engines are real! SF lose vs Handicap Leela

Re: Dawnfall of AB engines are real! SF lose vs Handicap Leela

Re: Dawnfall of AB engines are real! SF lose vs Handicap Leela

Re: Dawnfall of AB engines are real! SF lose vs Handicap Leela