Leela outplays Spike from what should be a drawn endgame

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AdminX
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Leela outplays Spike from what should be a drawn endgame

Post by AdminX »

While I was testing Leela on what most would call a weak GPU (MX150) versus a standard Desktop using various engines I came across the following position in a game between Spike 1.4 and Leela.

[d]4r1k1/6b1/p6p/1p1P4/4P3/2P5/PP4PP/4R2K b - - 0 31

Since Spike had Tablebases installed I figured the game would be a draw. Man was I wrong. :lol: Note: Up to this point the moves followed a correspondence game, Kraft,D (2395)-Boldysh,M (2348) ICCF email 2011 and Leela had not used any opening book.

[pgn]
[Event "Banksia GUI (Skittle Game)"]
[Site "?"]
[Date "2020.06.28"]
[Round "?"]
[White "rm::OptiPlex 7020:21675:, Spike 1.4"]
[Black "rm::Inspiron 7773:8128:, Lc0 v0.26 703369"]
[Result "0-1"]
[ECO "B33"]
[Annotator "Stockfish 11"]
[PlyCount "212"]
[EventDate "2020.??.??"]
[TimeControl "40/7200:0"]

{LC0 playing on an Nvidia MX150 (Mobile) GPU i7 8550U @ 2.00GHz with 32GB ram
vs Spike 1.4 running on an i7 4790 CPU @3.60 GHz with 32GB ram. Spike used
it's default Opening Book.} 1. e4 c5 {139.04/0 128817 313/304/383} 2. Nf3 e6 {
141.08/0 145269 310/297/393} 3. d4 cxd4 {109.07/0 136302 313/295/392} 4. Nxd4
Nc6 {227.05/0 376569 308/302/390} 5. Nc3 Nf6 {93.02/0 213232 310/300/390} 6.
Ndb5 d6 {116.02/0 187924 306/309/385} 7. Bf4 e5 {68.08/0 217399 302/311/387} 8.
Bg5 a6 {99.02/0 296463 297/319/384} 9. Na3 b5 {119.00/0 B33: Sicilian, Pelikan,
Chelyabinsk variation 386993 291/330/379; B33: Sicilian, Pelikan, Chelyabinsk
variation} 10. Bxf6 gxf6 {144.08/0 391612 294/329/377} 11. Nd5 f5 {125.01/0
B33: Sicilian, Sveshnikov variation 498227 293/336/371; B33: Sicilian,
Sveshnikov variation} 12. Bd3 Be6 {242.05/0 307929 315/325/360} 13. O-O Bxd5 {
318.02/0 344089 312/338/350} 14. exd5 Ne7 {76.09/0 397657 310/341/349} 15. c3
Bg7 {-299.27/0 382020 289/387/324} 16. Qh5 e4 {229.08/0 223305 309/357/334} 17.
Bc2 O-O {236.05/0 196854 304/417/279} 18. Rae1 Qc8 {170.04/0 189917 321/390/289
} 19. Kh1 Ng6 {200.02/0 140958 343/404/253. B33: Sicilian: Pelikan and
Sveshnikov Variations.} 20. Bb1 Re8 {158.01/0 143216 347/368/285} 21. Nc2 {
-57.36/0 4665338961} Nf4 {175.05/0 164282 383/359/258. The position is equal.}
22. Qg5 {-185.34/0 3741256954} Nd3 {53.08/0 170856 400/349/251. White should
prevent ...h6.} 23. Ne3 {-13.29/0 5280858275} h6 {0.19/21 0.7 662211 376/386/
238} 24. Qxf5 {-313.33/0 2789377398} Nxe1 {0.18/24 1.7 976920 370/387/243} 25.
Rxe1 {-128.34/0 4433145059} Qxf5 {-201.33/0 1603913 308/496/196} 26. Nxf5 {
282.09/0 2737528744} Re5 {0.16/22 1.0 1255919 306/507/187} 27. Bxe4 {-228.31/0
4442959015} Rae8 {-322.30/0 408606 320/536/144} 28. Nxd6 {-267.30/0 4039670924.
Strongly threatening f4.} f5 {0.23/19 1.4 764918 298/567/135} 29. Nxe8 {
220.02/0 2239695975} Rxe8 {0.21/18 [#] 1.8 924214 284/585/131. Pin} 30. f3 {
-261.32/0 4041406375} fxe4 {155.01/0 1346983 264/607/129} 31. fxe4 $11 {
-295.36/0 [#] Endgame 3555006233. KRB-KR} Kf7 $146 {242.06/0 1250937 247/631/
122} ({Predecessor:} 31... b4 32. cxb4 Bxb2 33. g3 Ba3 34. e5 Bxb4 35. Re4 a5
36. Kg2 Rd8 37. d6 Kf7 38. e6+ Ke8 39. d7+ Ke7 40. Kh3 {1/2-1/2 (39) Kraft,D
(2395)-Boldysh,M (2348) ICCF email 2011}) 32. g3 {-255.32/0 4047448460} a5 {
0.17/17 1.7 1051650 237/650/113} 33. Kg1 {215.01/0 1903021099} Ke7 {-50.32/0
765486 283/598/119} 34. Kg2 {205.00/0 1234503927} Kd6 {315.05/0 346533 410/499/
91. Black has compensation.} 35. Kf3 {228.09/0 1961295389} a4 {136.05/0 562688
430/481/89} 36. Ke3 {229.06/0 1386035343} Be5 {-313.30/0 696189 432/494/74} 37.
Rc1 {206.05/0 1967699671} Rc8 $1 {189.09/0 264700 494/433/73} 38. a3 {-1.30/40
1680494291} (38. Kd3 $1 $15 {-0.36/47}) 38... Rf8 $1 $17 {173.06/0 657795 518/
413/69} 39. Rc2 {249.08/0 1960609542} Kc5 $1 {93.04/0 730798 524/410/66} 40.
Rd2 {171.03/0 1613776521} Rf6 {-147.33/0 2548645 514/422/64} 41. Ke2 $2 {
-3.02/44 2648167431} (41. Kd3 $17 {-1.39/47}) 41... h5 $19 {245.06/0 360949
586/367/47} 42. Ke3 {163.08/0 1514835558} h4 $1 {-63.28/0 712470 619/348/33}
43. Rg2 $2 {-11.53/32 5278038608} (43. d6 {-3.68/48} Bxd6 44. Rd5+ Kc6 45. gxh4
) 43... h3 {323.03/0 547807 757/190/53} 44. Rd2 {-320.35/0 3062190030} Kc4 {
60.04/0 899994 796/153/51} 45. Ke2 {160.68/0 7606689602} Bd6 {61.05/0 1067856
840/116/44} 46. Rd4+ {274.03/0 2477443265} Kb3 {-219.32/0 1225289 868/93/39}
47. Rd2 {145.08/0 1305544070} Bc5 {191.01/0 1497603 886/77/37} 48. Ke1 {
136.03/0 1241421854} Kc4 {-211.33/0 1114145 898/72/30} 49. Re2 {141.71/0
7912632295} Rf7 {-4.46/36 1067087 918/57/25} (49... Rf8 $142 {-10.19/38} 50.
Rc2 Be3) 50. Rc2 {-56.76/39 1382791247} (50. d6 $142 {-4.46/36} Bxd6 51. e5)
50... Kd3 {11.72/0 869470 945/38/17} 51. Rd2+ {188.07/0 1857506492} Kxe4 {
-269.30/0 665670 960/31/9} 52. d6 {-131.68/0 9940419579} Rd7 {12.45/12 2.2
936885 965/28/7} 53. Re2+ {130.64/0 8171165136} Be3 {92.73/0 1039360 979/16/5.
Black mates.} 54. c4 {142.00/0 1513169660} bxc4 {-188.31/0 737253 981/15/4} 55.
Rc2 {141.08/0 1408300491} Rxd6 {-205.27/0 988880 983/14/3} 56. Rxc4+ {64.06/0
682829466} Kf3 {181.08/0 465796 985/12/3} 57. Rc2 {41.05/0 M-17/29 148762911}
Rb6 {252.02/0 878452 986/12/2} 58. Kd1 {64.06/0 M-19/26 324413648} Rb3 {
159.01/0 387055 987/11/2} 59. Ke1 {69.08/0 M-17/30 247757000} Bd4 {129.02/0
330052 981/16/3} 60. Rd2 {144.07/0 M-44/28 841030585} Rxb2 {95.06/0 206143 994/
5/1} 61. Rxd4 {61.05/0 M-39/29 178406445} Rxh2 {M+131/1 0.5 5787 1000/0/0} 62.
Rxa4 {50.01/0 M-21/30 75790157} Kxg3 {M+118/1 0.1 257 1000/0/0. KR-KR} 63. Ra8
{35.07/0 M-43/22 367720817} Rh1+ {M+126/2 0.0 260 1000/0/0} 64. Kd2 {39.00/0
M-26/34 102609091} h2 {2 M+125/1 0.0 1000/0/0} 65. Rg8+ {36.09/0 M-25/41
115713719} Kf4 {M+125/10 15.0 41195 1000/0/0} 66. Rf8+ {39.08/0 M-24/44
146487835} Ke5 {M+124/1 0.0 33828 1000/0/0} 67. Re8+ {40.00/0 M-23/46 160434700
} Kf6 {M+121/1 0.0 14391 1000/0/0} 68. Rf8+ {M-22/44 1.8 2460839} Kg7 {M+120/1
0.0 3562 1000/0/0} 69. Rf2 {M-21/42 0.1} Rd1+ $1 {56 [#] M+119/1 0.0 1000/0/0.
Decoy, Clearance, Promotion} 70. Kxd1 {M-34/61 6.8 19269249} h1=Q+ {M+121/1 0.
1 257 1000/0/0. KQ-KR} 71. Kd2 {M-33/66 0.2} Qh3 {M+133/3 0.3 695 1000/0/0} 72.
a4 {M-32/64 0.2} Qd7+ {M+137/2 0.2 529 1000/0/0} 73. Ke3 {M-32/64 0.1} Qxa4 {
2 M+136/1 0.0 1000/0/0} 74. Rf4 {M-31/62 0.3} Qb3+ {-33.35/0 2884927 980/20/0}
75. Ke4 {M-30/60 0.2} Kg6 {10.04/0 137749 986/13/1} 76. Kd4 {M-29/58 0.2} Kg5 {
19.03/0 42157 985/14/1} 77. Re4 {M-28/56 0.2} Kf5 {25.02/0 54537 980/19/1} 78.
Re5+ {M-27/54 0.1} Kf4 {11.01/0 25138 978/21/1} 79. Rc5 {M-26/52 0.1} Qe6 {
23.09/0 34016 984/16/0} 80. Rc3 {M-26/52 0.1} Qe4+ {21.09/0 32988 976/23/1} 81.
Kc5 {M-25/10 0.0} Ke5 {23.90/7 0.4 12586 980/20/0} 82. Kb5 {M-24/48 0.1} Kd6 {
-301.34/0 1215777 967/32/1} 83. Rc4 {M-23/46 0.1} Qb1+ {151.66/0 4254563 968/
31/1} 84. Ka4 {M-22/44 0.1} Kd5 {-254.34/0 2726927 967/32/1} 85. Rc3 {M-21/42
0.1} Kd4 {-86.30/0 3284383 968/30/2} 86. Rc6 {M-20/40 0.1} Qb7 {-185.35/0
2570825 961/37/2} 87. Rc1 {M-19/38 0.1} Qa6+ {-186.29/0 2453272 953/45/2} 88.
Kb4 {M-18/36 0.1} Qb6+ {-252.33/0 2335085 951/47/2} 89. Ka3 {M-17/34 0.1} Qb5 {
-260.33/0 2251962 946/52/2} 90. Rg1 {M-16/32 0.1} Qd3+ {-310.36/0 846849 958/
40/2} 91. Kb4 {M-15/30 0.1} Qe3 {318.08/0 824689 957/41/2} 92. Rg4+ {M-14/28 0.
1} Kd3 {265.00/0 847988 958/41/1} 93. Ka5 {M-13/26 0.1} Qe5+ {M+120/9 47.2
279308 1000/0/0} 94. Kb4 {M-12/24 0.1} Qb8+ {M+119/1 0.0 175404 1000/0/0} 95.
Ka5 {M-12/24 0.1} Kc3 {M+118/1 0.0 18866 1000/0/0} 96. Ra4 {M-11/22 0.0} Kb3 {
M+111/1 0.0 3458 1000/0/0} 97. Rg4 {M-10/20 0.1} Qd8+ {M+109/1 0.0 399 1000/0/0
} 98. Kb5 {M-9/18 0.1} Qd7+ {35 M+108/1 0.0 1000/0/0} 99. Kc5 {M-8/16 0.0} Qxg4
{2 M+107/1 0.0 1000/0/0} 100. Kd5 {M-7/14 0.0} Kb4 {M+7/8 169.2 1259979 1000/0/
0} 101. Kd6 {M-6/12 0.0} Qe4 {M+6/1 0.0 230820 1000/0/0} 102. Kc7 {M-5/10 0.0}
Kc5 {M+5/1 0.0 4327 1000/0/0} 103. Kd7 {M-4/8 0.0} Qe5 {M+4/1 0.0 324 1000/0/0}
104. Kc8 {M-3/6 0.0} Kc6 {19 M+3/1 0.0 1000/0/0} 105. Kd8 {M-2/4 0.0} Qe3 {
6 M+2/1 0.0 1000/0/0} 106. Kc8 {M-1/2 0.0} Qe8# {2 mate mate M+1/1 0.0 1000/0/
0. Accuracy: White = 71%, Black = 93%.} 0-1
[/pgn]
"Good decisions come from experience, and experience comes from bad decisions."
__________________________________________________________________
Ted Summers
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User avatar
yurikvelo
Posts: 710
Joined: Sat Dec 06, 2014 1:53 pm

Re: Leela outplays Spike from what should be a drawn endgame

Post by yurikvelo »

Spike had Tablebases installed I figured the game would be a draw
I doubt Spike had at least 1 TB hit ever

Code: Select all

D=35, 798 MN
-0,21	34.Kf2 a4 35.Ke3 Rc8 36.Rf1 b4		(-0.08 @ D=45)
-0,51	34.a4 b4 35.Kf2 Be5 36.Ke2 bxc3
-0,57	34.g4 Kd6 35.Kf2 Rf8+ 36.Ke3 Ke5
-0,60	34.Rf1 b4 35.Kf2 Rc8 36.Rb1 Be5
-0,70	34.Kg2 Kd6 35.Kf3 a4 36.Kg4 Rf8		<---- Spike  (-0.41 @ D=46)
-0,89	34.Kf1 a4 35.Ke2 Kd6 36.Ke3 Rc8

D=37, 780 MN
-0,66	38.Kd2 Rf8 39.Ke2 Rf7 40.Rd1 Ra7	(-0.89 @ D=48)
-0,70	38.Kd3 b4 39.a3 bxc3 40.bxc3 Rb8
-1,42	38.a3 Rf8 39.Rc2 Kc5 40.Rd2 Rf6		<---- Spike
-1,43	38.Rd1 h5 39.a3 Rf8 40.Rg1 Kc5
-1,77	38.b3 axb3 39.axb3 Bxc3 40.Kd3 b4

D=36, 692 MN
-1,33	42.Rd1 Kc4 43.Rd2 Rh6 44.Ke3 h4
-1,33	42.Rd3 Kc4 43.Rd2 Rh6 44.Ke3 h4
-1,66	42.Kd1 h4 43.gxh4 Rh6 44.d6 Bxd6
-2,32	42.Kd3 h4 43.gxh4 Rf3+ 44.Kc2 Re3
-2,32	42.Ke3 h4 43.d6 Bxd6 44.Rd5+ Kc6	<---- Spike

D=34, 2 351 MN
-2,32	43.d6 Bxd6 44.Rd5+ Kc6 45.gxh4 Bc5+
-2,66	43.Rd1 h3 44.Ke2 Bd6 45.Rd4 Rf8
-3,06	43.Kd3 hxg3 44.hxg3 Rf3+ 45.Kc2 Rxg3
-3,89	43.Ke2 hxg3 44.hxg3 Bxg3 45.Kd3 Rf3+
-3,90	43.Rc2 h3 44.Kd3 Bb8 45.Rd2 Bd6
-5,18	43.Re2 h3 44.Kd2 Rf1 45.Kd3 Rf3+
-5,54	43.Rd3 h3 44.Ke2 Kc4 45.Rd2 Bd6
-5,80	43.Rg2 h3 44.Rd2 Kc4 45.Re2 Bd6		<---- Spike
-10,73	43.Rd4 Bxd4+ 44.cxd4+ Kc4 45.g4 Rd6
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User avatar
AdminX
Posts: 6340
Joined: Mon Mar 13, 2006 2:34 pm
Location: Acworth, GA

Re: Leela outplays Spike from what should be a drawn endgame

Post by AdminX »

yurikvelo wrote: ↑Thu Jul 02, 2020 9:03 am
Spike had Tablebases installed I figured the game would be a draw
I doubt Spike had at least 1 TB hit ever

Code: Select all

D=35, 798 MN
-0,21	34.Kf2 a4 35.Ke3 Rc8 36.Rf1 b4		(-0.08 @ D=45)
-0,51	34.a4 b4 35.Kf2 Be5 36.Ke2 bxc3
-0,57	34.g4 Kd6 35.Kf2 Rf8+ 36.Ke3 Ke5
-0,60	34.Rf1 b4 35.Kf2 Rc8 36.Rb1 Be5
-0,70	34.Kg2 Kd6 35.Kf3 a4 36.Kg4 Rf8		<---- Spike  (-0.41 @ D=46)
-0,89	34.Kf1 a4 35.Ke2 Kd6 36.Ke3 Rc8

D=37, 780 MN
-0,66	38.Kd2 Rf8 39.Ke2 Rf7 40.Rd1 Ra7	(-0.89 @ D=48)
-0,70	38.Kd3 b4 39.a3 bxc3 40.bxc3 Rb8
-1,42	38.a3 Rf8 39.Rc2 Kc5 40.Rd2 Rf6		<---- Spike
-1,43	38.Rd1 h5 39.a3 Rf8 40.Rg1 Kc5
-1,77	38.b3 axb3 39.axb3 Bxc3 40.Kd3 b4

D=36, 692 MN
-1,33	42.Rd1 Kc4 43.Rd2 Rh6 44.Ke3 h4
-1,33	42.Rd3 Kc4 43.Rd2 Rh6 44.Ke3 h4
-1,66	42.Kd1 h4 43.gxh4 Rh6 44.d6 Bxd6
-2,32	42.Kd3 h4 43.gxh4 Rf3+ 44.Kc2 Re3
-2,32	42.Ke3 h4 43.d6 Bxd6 44.Rd5+ Kc6	<---- Spike

D=34, 2 351 MN
-2,32	43.d6 Bxd6 44.Rd5+ Kc6 45.gxh4 Bc5+
-2,66	43.Rd1 h3 44.Ke2 Bd6 45.Rd4 Rf8
-3,06	43.Kd3 hxg3 44.hxg3 Rf3+ 45.Kc2 Rxg3
-3,89	43.Ke2 hxg3 44.hxg3 Bxg3 45.Kd3 Rf3+
-3,90	43.Rc2 h3 44.Kd3 Bb8 45.Rd2 Bd6
-5,18	43.Re2 h3 44.Kd2 Rf1 45.Kd3 Rf3+
-5,54	43.Rd3 h3 44.Ke2 Kc4 45.Rd2 Bd6
-5,80	43.Rg2 h3 44.Rd2 Kc4 45.Re2 Bd6		<---- Spike
-10,73	43.Rd4 Bxd4+ 44.cxd4+ Kc4 45.g4 Rd6
Useless there is a bug it should have. It shows they were enabled in the engine log.

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"Good decisions come from experience, and experience comes from bad decisions."
__________________________________________________________________
Ted Summers
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yurikvelo
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Re: Leela outplays Spike from what should be a drawn endgame

Post by yurikvelo »

Enabled, but taking into account Spike's search depth - it will never reach 6-man position from move #31
Maybe from move #60 it can reach TB Hits
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chrisw
Posts: 4315
Joined: Tue Apr 03, 2012 4:28 pm

Re: Leela outplays Spike from what should be a drawn endgame

Post by chrisw »

AdminX wrote: ↑Wed Jul 01, 2020 10:46 pm While I was testing Leela on what most would call a weak GPU (MX150) versus a standard Desktop using various engines I came across the following position in a game between Spike 1.4 and Leela.

[d]4r1k1/6b1/p6p/1p1P4/4P3/2P5/PP4PP/4R2K b - - 0 31

Since Spike had Tablebases installed I figured the game would be a draw. Man was I wrong. :lol: Note: Up to this point the moves followed a correspondence game, Kraft,D (2395)-Boldysh,M (2348) ICCF email 2011 and Leela had not used any opening book.

Well, for sure white can’t win this, but how does he even begin to find a way to draw? Looks gruesome. Blockaded, nothing can move anywhere.

[pgn]
[Event "Banksia GUI (Skittle Game)"]
[Site "?"]
[Date "2020.06.28"]
[Round "?"]
[White "rm::OptiPlex 7020:21675:, Spike 1.4"]
[Black "rm::Inspiron 7773:8128:, Lc0 v0.26 703369"]
[Result "0-1"]
[ECO "B33"]
[Annotator "Stockfish 11"]
[PlyCount "212"]
[EventDate "2020.??.??"]
[TimeControl "40/7200:0"]

{LC0 playing on an Nvidia MX150 (Mobile) GPU i7 8550U @ 2.00GHz with 32GB ram
vs Spike 1.4 running on an i7 4790 CPU @3.60 GHz with 32GB ram. Spike used
it's default Opening Book.} 1. e4 c5 {139.04/0 128817 313/304/383} 2. Nf3 e6 {
141.08/0 145269 310/297/393} 3. d4 cxd4 {109.07/0 136302 313/295/392} 4. Nxd4
Nc6 {227.05/0 376569 308/302/390} 5. Nc3 Nf6 {93.02/0 213232 310/300/390} 6.
Ndb5 d6 {116.02/0 187924 306/309/385} 7. Bf4 e5 {68.08/0 217399 302/311/387} 8.
Bg5 a6 {99.02/0 296463 297/319/384} 9. Na3 b5 {119.00/0 B33: Sicilian, Pelikan,
Chelyabinsk variation 386993 291/330/379; B33: Sicilian, Pelikan, Chelyabinsk
variation} 10. Bxf6 gxf6 {144.08/0 391612 294/329/377} 11. Nd5 f5 {125.01/0
B33: Sicilian, Sveshnikov variation 498227 293/336/371; B33: Sicilian,
Sveshnikov variation} 12. Bd3 Be6 {242.05/0 307929 315/325/360} 13. O-O Bxd5 {
318.02/0 344089 312/338/350} 14. exd5 Ne7 {76.09/0 397657 310/341/349} 15. c3
Bg7 {-299.27/0 382020 289/387/324} 16. Qh5 e4 {229.08/0 223305 309/357/334} 17.
Bc2 O-O {236.05/0 196854 304/417/279} 18. Rae1 Qc8 {170.04/0 189917 321/390/289
} 19. Kh1 Ng6 {200.02/0 140958 343/404/253. B33: Sicilian: Pelikan and
Sveshnikov Variations.} 20. Bb1 Re8 {158.01/0 143216 347/368/285} 21. Nc2 {
-57.36/0 4665338961} Nf4 {175.05/0 164282 383/359/258. The position is equal.}
22. Qg5 {-185.34/0 3741256954} Nd3 {53.08/0 170856 400/349/251. White should
prevent ...h6.} 23. Ne3 {-13.29/0 5280858275} h6 {0.19/21 0.7 662211 376/386/
238} 24. Qxf5 {-313.33/0 2789377398} Nxe1 {0.18/24 1.7 976920 370/387/243} 25.
Rxe1 {-128.34/0 4433145059} Qxf5 {-201.33/0 1603913 308/496/196} 26. Nxf5 {
282.09/0 2737528744} Re5 {0.16/22 1.0 1255919 306/507/187} 27. Bxe4 {-228.31/0
4442959015} Rae8 {-322.30/0 408606 320/536/144} 28. Nxd6 {-267.30/0 4039670924.
Strongly threatening f4.} f5 {0.23/19 1.4 764918 298/567/135} 29. Nxe8 {
220.02/0 2239695975} Rxe8 {0.21/18 [#] 1.8 924214 284/585/131. Pin} 30. f3 {
-261.32/0 4041406375} fxe4 {155.01/0 1346983 264/607/129} 31. fxe4 $11 {
-295.36/0 [#] Endgame 3555006233. KRB-KR} Kf7 $146 {242.06/0 1250937 247/631/
122} ({Predecessor:} 31... b4 32. cxb4 Bxb2 33. g3 Ba3 34. e5 Bxb4 35. Re4 a5
36. Kg2 Rd8 37. d6 Kf7 38. e6+ Ke8 39. d7+ Ke7 40. Kh3 {1/2-1/2 (39) Kraft,D
(2395)-Boldysh,M (2348) ICCF email 2011}) 32. g3 {-255.32/0 4047448460} a5 {
0.17/17 1.7 1051650 237/650/113} 33. Kg1 {215.01/0 1903021099} Ke7 {-50.32/0
765486 283/598/119} 34. Kg2 {205.00/0 1234503927} Kd6 {315.05/0 346533 410/499/
91. Black has compensation.} 35. Kf3 {228.09/0 1961295389} a4 {136.05/0 562688
430/481/89} 36. Ke3 {229.06/0 1386035343} Be5 {-313.30/0 696189 432/494/74} 37.
Rc1 {206.05/0 1967699671} Rc8 $1 {189.09/0 264700 494/433/73} 38. a3 {-1.30/40
1680494291} (38. Kd3 $1 $15 {-0.36/47}) 38... Rf8 $1 $17 {173.06/0 657795 518/
413/69} 39. Rc2 {249.08/0 1960609542} Kc5 $1 {93.04/0 730798 524/410/66} 40.
Rd2 {171.03/0 1613776521} Rf6 {-147.33/0 2548645 514/422/64} 41. Ke2 $2 {
-3.02/44 2648167431} (41. Kd3 $17 {-1.39/47}) 41... h5 $19 {245.06/0 360949
586/367/47} 42. Ke3 {163.08/0 1514835558} h4 $1 {-63.28/0 712470 619/348/33}
43. Rg2 $2 {-11.53/32 5278038608} (43. d6 {-3.68/48} Bxd6 44. Rd5+ Kc6 45. gxh4
) 43... h3 {323.03/0 547807 757/190/53} 44. Rd2 {-320.35/0 3062190030} Kc4 {
60.04/0 899994 796/153/51} 45. Ke2 {160.68/0 7606689602} Bd6 {61.05/0 1067856
840/116/44} 46. Rd4+ {274.03/0 2477443265} Kb3 {-219.32/0 1225289 868/93/39}
47. Rd2 {145.08/0 1305544070} Bc5 {191.01/0 1497603 886/77/37} 48. Ke1 {
136.03/0 1241421854} Kc4 {-211.33/0 1114145 898/72/30} 49. Re2 {141.71/0
7912632295} Rf7 {-4.46/36 1067087 918/57/25} (49... Rf8 $142 {-10.19/38} 50.
Rc2 Be3) 50. Rc2 {-56.76/39 1382791247} (50. d6 $142 {-4.46/36} Bxd6 51. e5)
50... Kd3 {11.72/0 869470 945/38/17} 51. Rd2+ {188.07/0 1857506492} Kxe4 {
-269.30/0 665670 960/31/9} 52. d6 {-131.68/0 9940419579} Rd7 {12.45/12 2.2
936885 965/28/7} 53. Re2+ {130.64/0 8171165136} Be3 {92.73/0 1039360 979/16/5.
Black mates.} 54. c4 {142.00/0 1513169660} bxc4 {-188.31/0 737253 981/15/4} 55.
Rc2 {141.08/0 1408300491} Rxd6 {-205.27/0 988880 983/14/3} 56. Rxc4+ {64.06/0
682829466} Kf3 {181.08/0 465796 985/12/3} 57. Rc2 {41.05/0 M-17/29 148762911}
Rb6 {252.02/0 878452 986/12/2} 58. Kd1 {64.06/0 M-19/26 324413648} Rb3 {
159.01/0 387055 987/11/2} 59. Ke1 {69.08/0 M-17/30 247757000} Bd4 {129.02/0
330052 981/16/3} 60. Rd2 {144.07/0 M-44/28 841030585} Rxb2 {95.06/0 206143 994/
5/1} 61. Rxd4 {61.05/0 M-39/29 178406445} Rxh2 {M+131/1 0.5 5787 1000/0/0} 62.
Rxa4 {50.01/0 M-21/30 75790157} Kxg3 {M+118/1 0.1 257 1000/0/0. KR-KR} 63. Ra8
{35.07/0 M-43/22 367720817} Rh1+ {M+126/2 0.0 260 1000/0/0} 64. Kd2 {39.00/0
M-26/34 102609091} h2 {2 M+125/1 0.0 1000/0/0} 65. Rg8+ {36.09/0 M-25/41
115713719} Kf4 {M+125/10 15.0 41195 1000/0/0} 66. Rf8+ {39.08/0 M-24/44
146487835} Ke5 {M+124/1 0.0 33828 1000/0/0} 67. Re8+ {40.00/0 M-23/46 160434700
} Kf6 {M+121/1 0.0 14391 1000/0/0} 68. Rf8+ {M-22/44 1.8 2460839} Kg7 {M+120/1
0.0 3562 1000/0/0} 69. Rf2 {M-21/42 0.1} Rd1+ $1 {56 [#] M+119/1 0.0 1000/0/0.
Decoy, Clearance, Promotion} 70. Kxd1 {M-34/61 6.8 19269249} h1=Q+ {M+121/1 0.
1 257 1000/0/0. KQ-KR} 71. Kd2 {M-33/66 0.2} Qh3 {M+133/3 0.3 695 1000/0/0} 72.
a4 {M-32/64 0.2} Qd7+ {M+137/2 0.2 529 1000/0/0} 73. Ke3 {M-32/64 0.1} Qxa4 {
2 M+136/1 0.0 1000/0/0} 74. Rf4 {M-31/62 0.3} Qb3+ {-33.35/0 2884927 980/20/0}
75. Ke4 {M-30/60 0.2} Kg6 {10.04/0 137749 986/13/1} 76. Kd4 {M-29/58 0.2} Kg5 {
19.03/0 42157 985/14/1} 77. Re4 {M-28/56 0.2} Kf5 {25.02/0 54537 980/19/1} 78.
Re5+ {M-27/54 0.1} Kf4 {11.01/0 25138 978/21/1} 79. Rc5 {M-26/52 0.1} Qe6 {
23.09/0 34016 984/16/0} 80. Rc3 {M-26/52 0.1} Qe4+ {21.09/0 32988 976/23/1} 81.
Kc5 {M-25/10 0.0} Ke5 {23.90/7 0.4 12586 980/20/0} 82. Kb5 {M-24/48 0.1} Kd6 {
-301.34/0 1215777 967/32/1} 83. Rc4 {M-23/46 0.1} Qb1+ {151.66/0 4254563 968/
31/1} 84. Ka4 {M-22/44 0.1} Kd5 {-254.34/0 2726927 967/32/1} 85. Rc3 {M-21/42
0.1} Kd4 {-86.30/0 3284383 968/30/2} 86. Rc6 {M-20/40 0.1} Qb7 {-185.35/0
2570825 961/37/2} 87. Rc1 {M-19/38 0.1} Qa6+ {-186.29/0 2453272 953/45/2} 88.
Kb4 {M-18/36 0.1} Qb6+ {-252.33/0 2335085 951/47/2} 89. Ka3 {M-17/34 0.1} Qb5 {
-260.33/0 2251962 946/52/2} 90. Rg1 {M-16/32 0.1} Qd3+ {-310.36/0 846849 958/
40/2} 91. Kb4 {M-15/30 0.1} Qe3 {318.08/0 824689 957/41/2} 92. Rg4+ {M-14/28 0.
1} Kd3 {265.00/0 847988 958/41/1} 93. Ka5 {M-13/26 0.1} Qe5+ {M+120/9 47.2
279308 1000/0/0} 94. Kb4 {M-12/24 0.1} Qb8+ {M+119/1 0.0 175404 1000/0/0} 95.
Ka5 {M-12/24 0.1} Kc3 {M+118/1 0.0 18866 1000/0/0} 96. Ra4 {M-11/22 0.0} Kb3 {
M+111/1 0.0 3458 1000/0/0} 97. Rg4 {M-10/20 0.1} Qd8+ {M+109/1 0.0 399 1000/0/0
} 98. Kb5 {M-9/18 0.1} Qd7+ {35 M+108/1 0.0 1000/0/0} 99. Kc5 {M-8/16 0.0} Qxg4
{2 M+107/1 0.0 1000/0/0} 100. Kd5 {M-7/14 0.0} Kb4 {M+7/8 169.2 1259979 1000/0/
0} 101. Kd6 {M-6/12 0.0} Qe4 {M+6/1 0.0 230820 1000/0/0} 102. Kc7 {M-5/10 0.0}
Kc5 {M+5/1 0.0 4327 1000/0/0} 103. Kd7 {M-4/8 0.0} Qe5 {M+4/1 0.0 324 1000/0/0}
104. Kc8 {M-3/6 0.0} Kc6 {19 M+3/1 0.0 1000/0/0} 105. Kd8 {M-2/4 0.0} Qe3 {
6 M+2/1 0.0 1000/0/0} 106. Kc8 {M-1/2 0.0} Qe8# {2 mate mate M+1/1 0.0 1000/0/
0. Accuracy: White = 71%, Black = 93%.} 0-1
[/pgn]
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chysiddh14
Posts: 38
Joined: Tue Jan 01, 2019 9:34 am
Full name: Siddhartha Chaudhary

Re: Leela outplays Spike from what should be a drawn endgame

Post by chysiddh14 »

is it possible for other programmer to develop chess engine which has stop being developed?
like spike 1.4 ,blackmamba ,protecter ,crafty ,gull n many more . which need updates becoz it is better than new 1.

instead of new1 can new programmer develop it like protector 2.0 ,spike 1.5 ,Gull 4 ?
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