On-line engine blitz tourney January

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hgm
Posts: 27788
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Location: Amsterdam
Full name: H G Muller

Re: On-line engine blitz tourney January

Post by hgm »

Code: Select all

:Tourney Players: Round 9 of 9 
:
:     Name              Rating Score Perfrm Upset  Results 
:     ----------------- ------ ----- ------ ------ ------- 
:  1 +ChengRB           [1982]  8.0  [2231] [ 165] +10b +11b -02w +09w +05b +06w +04w +03b +07w 
:  2 +ArasanX           [2004]  7.5  [2219] [ 144] +19w +08b +01b =06w +03w -04b +11w +12w +13b 
:  3 +Gaviota           [1999]  6.5  [2115] [ 157] +20w +14w =06b +12w -02b +13w +07b -01w +11b 
:  4 -Fizbo             [2008]  5.5  [2044] [  66] +16w =07w =11b +05w =12b +02w -01b =13w =06b 
:  5 +Goldbar           [1959]  5.5  [1933] [ 134] +17b -06w +19w -04b -01w +08b =13b +18w +12b 
:  6 +WaDuuttie         [2009]  5.0  [1973] [   0] +18w +05b =03w =02b =13w -01b -12b +15w =04w 
:  7 -Baron             [1896]  5.0  [1879] [ 144] +22w =04b =12b -11w +18b +10w -03w +09b -01b 
:  8 +Tornado           [1847]  5.0  [1776] [ 115] +23b -02w =20w =15b =11b -05w +10b +17w =14b
:  9 -Pedone            [1813]  5.0  [1745] [   0] -11w +15b +21w -01b -10w +20b +19w -07w +23b 
: 10 +Nemeton           [1518]  5.0  [1727] [ 383] -01w +21b -14b +24w +09b -07b -08w +23w +19b 
: 11 -Nirvanachess      [2077]  4.5  [1900] [   0] +09b -01w =04w +07b =08w +15b -02b =14w -03w 
: 12 -NightmareX        [2073]  4.5  [1937] [   0] =15w +13b =07w -03b =04w +14b +06w -02b -05w 
: 13 -EXchess           [1999]  4.5  [1891] [   9] +21w -12w +16b +14w =06b -03b =05w =04b -02w 
: 14 +Almere            [1827]  4.5  [1786] [ 135] +24w -03b +10w -13b +19w -12w =15b =11b =08w 
: 15 -Arminius          [1732]  4.5  [1820] [ 274] =12b -09w +18b =08w +16b -11w =14w -06b +21b 
: 16 +Joker             [1599]  4.5  [1628] [   2] -04b +22w -13w =17b -15w +18b +21b -20w +24b
: 17 +Barbarossa        [1496]  4.5  [1580] [ 131] -05w -18b +24b =16w -21b +23w +22w -08b +20b 
: 18 -Spartacus         [1601]  4.0  [1618] [   0] -06b +17w -15w +20b -07w -16w +24b -05b +22w 
: 19 +NebiyuHG          [1583]  4.0  [1596] [   0] -02b +23w -05b +22w -14b +21w -09b +24w -10w 
: 20 +Lozza             [1576]  4.0  [1561] [ 158] -03b +24w =08b -18w =22b -09w +23b +16b -17w 
: 21 +TheMachine        [1541]  2.5  [1443] [   0] -13b -10w -09b =23b +17w -19b -16w +22b -15w 
: 22 +microMax          [1448]  2.5  [1371] [  64] -07b -16b +23w -19b =20w +24w -17b -21w -18b 
: 23 +Zurichess         [1400]  1.5  [1297] [  70] -08w -19b -22b =21w +24b -17b -20w -10b -09w 
: 24 -Skipper           [1254]  0.0  [1160] [   0] -14b -20b -17w -10b -23w -22b -18w -19b -16w
fics% 
:
:
:     Average Rating    1760.0 
:
Nirvanachess lost connection and had to be forfeited for the last round.
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Modern Times
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Re: On-line engine blitz tourney January

Post by Modern Times »

A nice welcome back present for Martin ! :)
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mar
Posts: 2554
Joined: Fri Nov 26, 2010 2:00 pm
Location: Czech Republic
Full name: Martin Sedlak

Re: On-line engine blitz tourney January

Post by mar »

I certainly didn't expect that :) Lucky but still.
Thanks Ray, hgm and of course others. I was watching as a guest :)
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michiguel
Posts: 6401
Joined: Thu Mar 09, 2006 8:30 pm
Location: Chicago, Illinois, USA

Re: On-line engine blitz tourney January

Post by michiguel »

hgm wrote:

Code: Select all

:Tourney Players: Round 9 of 9 
:
:     Name              Rating Score Perfrm Upset  Results 
:     ----------------- ------ ----- ------ ------ ------- 
:  1 +ChengRB           [1982]  8.0  [2231] [ 165] +10b +11b -02w +09w +05b +06w +04w +03b +07w 
:  2 +ArasanX           [2004]  7.5  [2219] [ 144] +19w +08b +01b =06w +03w -04b +11w +12w +13b 
:  3 +Gaviota           [1999]  6.5  [2115] [ 157] +20w +14w =06b +12w -02b +13w +07b -01w +11b 
:  4 -Fizbo             [2008]  5.5  [2044] [  66] +16w =07w =11b +05w =12b +02w -01b =13w =06b 
:  5 +Goldbar           [1959]  5.5  [1933] [ 134] +17b -06w +19w -04b -01w +08b =13b +18w +12b 
:  6 +WaDuuttie         [2009]  5.0  [1973] [   0] +18w +05b =03w =02b =13w -01b -12b +15w =04w 
:  7 -Baron             [1896]  5.0  [1879] [ 144] +22w =04b =12b -11w +18b +10w -03w +09b -01b 
:  8 +Tornado           [1847]  5.0  [1776] [ 115] +23b -02w =20w =15b =11b -05w +10b +17w =14b
:  9 -Pedone            [1813]  5.0  [1745] [   0] -11w +15b +21w -01b -10w +20b +19w -07w +23b 
: 10 +Nemeton           [1518]  5.0  [1727] [ 383] -01w +21b -14b +24w +09b -07b -08w +23w +19b 
: 11 -Nirvanachess      [2077]  4.5  [1900] [   0] +09b -01w =04w +07b =08w +15b -02b =14w -03w 
: 12 -NightmareX        [2073]  4.5  [1937] [   0] =15w +13b =07w -03b =04w +14b +06w -02b -05w 
: 13 -EXchess           [1999]  4.5  [1891] [   9] +21w -12w +16b +14w =06b -03b =05w =04b -02w 
: 14 +Almere            [1827]  4.5  [1786] [ 135] +24w -03b +10w -13b +19w -12w =15b =11b =08w 
: 15 -Arminius          [1732]  4.5  [1820] [ 274] =12b -09w +18b =08w +16b -11w =14w -06b +21b 
: 16 +Joker             [1599]  4.5  [1628] [   2] -04b +22w -13w =17b -15w +18b +21b -20w +24b
: 17 +Barbarossa        [1496]  4.5  [1580] [ 131] -05w -18b +24b =16w -21b +23w +22w -08b +20b 
: 18 -Spartacus         [1601]  4.0  [1618] [   0] -06b +17w -15w +20b -07w -16w +24b -05b +22w 
: 19 +NebiyuHG          [1583]  4.0  [1596] [   0] -02b +23w -05b +22w -14b +21w -09b +24w -10w 
: 20 +Lozza             [1576]  4.0  [1561] [ 158] -03b +24w =08b -18w =22b -09w +23b +16b -17w 
: 21 +TheMachine        [1541]  2.5  [1443] [   0] -13b -10w -09b =23b +17w -19b -16w +22b -15w 
: 22 +microMax          [1448]  2.5  [1371] [  64] -07b -16b +23w -19b =20w +24w -17b -21w -18b 
: 23 +Zurichess         [1400]  1.5  [1297] [  70] -08w -19b -22b =21w +24b -17b -20w -10b -09w 
: 24 -Skipper           [1254]  0.0  [1160] [   0] -14b -20b -17w -10b -23w -22b -18w -19b -16w
fics% 
:
:
:     Average Rating    1760.0 
:
Nirvanachess lost connection and had to be forfeited for the last round.
[pgn]
[Event "ICS rated blitz match"]
[Site "212.114.110.107"]
[Date "2015.01.24"]
[Round "-"]
[White "Gaviota"]
[Black "ChengRB"]
[Result "0-1"]
[WhiteElo "2035"]
[BlackElo "2033"]
[TimeControl "300+1"]
[Annotator "2. +0.12"]

1.d4 d5 2.Bf4
{+0.12/12}
2...e6 3.e3
{+0.14/17}
3...Bd6 4.Nf3
{+0.32/17}
4...Bxf4 5.exf4
{+0.33/18}
5...Nd7 6.Nc3
{+0.48/18 19}
6...Ne7 7.Be2
{+0.43/16 12}
7...b6 8.O-O
{+0.36/16 9}
8...O-O 9.g3
{+0.32/16 7}
9...c5 10.Re1
{+0.24/15 0.1}
10...Bb7 11.a3
{+0.22/16}
11...Qc7 12.Nb5
{+0.18/17 9}
12...Qc6 13.Nc3
{+0.16/18 1.4}
13...a6 14.h3
{+0.08/15 3}
14...Rad8 15.Nb1
{+0.22/15 13}
15...Nf5 16.c3
{+0.30/17 8}
16...c4 17.Nbd2
{+0.33/18 8}
17...b5 18.Ne5
{+0.47/17 8}
18...Nxe5 19.fxe5
{+0.42/20 8}
19...a5 20.Bg4
{+0.39/17 16}
20...Nh6 21.Kg2
{+0.49/17 7}
21...Qd7 22.Qc2
{+0.46/16 7}
22...Bc6 23.Bd1
{+0.48/15 7}
23...Rb8 24.b4
{+0.48/17 7}
24...Ra8 25.Bh5
{+0.40/16 9}
25...Ra6 26.Ra2
{+0.25/13 8}
26...Rfa8 27.Rea1
{+0.05/18 6}
27...Qa7 28.bxa5
{+0.13/20 6}
28...Qe7 29.Qc1
{+0.10/18 6}
29...Qg5 30.Bd1
{+0.16/18 6}
30...Rxa5 31.h4
{+0.10/18 6}
31...Qg6 32.Nf3
{+0.42/17 5}
32...Nf5 33.Bc2
{+0.53/15 5}
33...Qh5 34.Qb2
{+0.59/16}
34...Qg4 35.Re1
{+0.62/18 5}
35...R5a6 36.Nh2
{+0.62/19}
36...Qg6 37.Nf3
{+0.53/17 0.4}
37...Rd8 38.Ng5
{+0.62/18 5}
38...h6 39.Nf3
{+0.62/20}
39...Qh5 40.Raa1
{+0.63/18}
40...Rc8 41.Nh2
{+0.63/17 5}
41...Raa8 42.Kh1
{+0.75/19 5}
42...Ne7 43.Kg2
{+0.74/17 5}
43...Rd8 44.Qb4
{+0.75/16 5}
44...Re8 45.Qb2
{+0.68/17}
45...Kh8 46.Kh3
{+0.75/16 5}
46...Nf5 47.Kg2
{+0.68/17}
47...Rf8 48.Rac1
{+0.69/16 5}
48...Kg8 49.Kh1
{+0.68/18 8}
49...Ne7 50.Kg2
{+0.68/21 4}
50...Rab8 51.Qb4
{+0.85/16 4}
51...Rfe8 52.Qc5
{+0.88/18 4}
52...Rbc8 53.Rb1
{+0.85/17}
53...Nf5 54.Kg1
{+0.85/18}
54...Ne7 55.Kg2
{+0.85/20}
55...Nf5 56.Kg1
{+0.83/16 0.1}
56...Ne7 57.Re3
{+0.69/17 10}
57...Bd7 58.Qb4
{+0.69/17 4}
58...Rc7 59.Rf3
{+0.86/18 4}
59...Rb7 60.Re1
{+1.25/16 4}
60...Nc6 61.Qd6
{+1.31/19 5}
61...Ne7 62.Rf4
{+1.53/18 2.7}
62...Nf5 63.Qa6
{+1.77/17 0.6}
63...Rbb8 64.Nf3
{+1.67/19 0.2}
64...Qg6 65.Qa7
{+1.77/21 1.6}
65...Red8 66.h5
{+1.80/21 3}
66...Qxh5 67.g4
{+1.80/20 2.7}
67...Qg6 68.Kh2
{+2.07/19 2.6}
68...b4 69.gxf5
{+2.07/19 2.5}
69...Qh5+ 70.Kg3
{+2.07/19 11}
70...exf5 71.axb4
{+1.20/18 1.9}
71...g5 72.Rxf5
{+0.91/14 0.4}
72...Ra8 73.Qc7
{+0.82/15}
73...Be6 74.b5
{+0.23/15}
74...Re8 75.b6
{+0.00/15 4}
75...Ra2 76.Qc6
{+0.00/17}
76...Rd8 77.Qc7
{+0.00/16 2.6}
77...Rf8 78.Bb1
{-1.10/13 1.0}
78...Rb2 79.Qd6
{-1.68/16 0.9}
79...Re8 80.Qc6
{-3.53/14 3}
80...Rc8 81.Qxe6
{-4.21/17}
81...fxe6 82.Rf6
{-4.47/18}
82...Kg7 83.Bg6
{-4.53/18}
83...Qxg6 84.Rxg6+
{-4.52/17 0.7}
84...Kxg6 85.Re3
{-4.85/17 2.1}
85...h5 86.Kg2
{-5.26/17 2.5}
86...Rf8 87.b7
{-5.91/19 2.5}
87...Rxb7 88.Re2
{-6.38/18 0.6}
88...h4 89.Ng1
{-6.50/16 3}
89...g4 90.f3
{-7.46/18 3}
90...g3 91.Re1
{-8.04/16 4}
91...Rb2+ 92.Re2
{-10.64/17 2.5}
92...Rb1 93.f4
{-10.51/18 4}
93...Kf5 94.Nh3
{-12.53/17 2.9}
94...Kg4 95.f5
{-19.57/18 1.4}
95...Rfb8 96.f6
{-22.55/15 2.2}
96...R1b2 97.Rf2
{-327.49/19 1.8}
97...gxf2 98.Nxf2+
{-327.53/20 1.7}
98...Kf4 99.f7
{-327.55/26 1.2}
99...h3+ 100.Kf1
{-327.57/49 1.7}
100...Kf3 101.f8=Q+
{-327.59/64}
101...Rxf8 102.Ke1
{-327.61/64}
102...Rxf2 103.Kd1
{-327.63/64}
103...h2 104.Ke1
{-327.65/64}
104...h1=Q#
{Gaviota checkmated}
0-1
[/pgn]

Congrats Martin!

[D]1r1r2k1/Q2b1pp1/4p2p/3pPP1q/1ppP1R2/P1P2N2/2B2P1K/4R3 w - - 1 70

In this position, Kg2 is good (because of Rh1 will be possible later) and Kg3 is bad. Gaviota cannot see at this point the danger of playing Kg3. How do other engines do here? the problem seems to be beyond G horizon. I wonder whether this blindness is G specific. SF changes its mind relatively quick to Kg2.

Miguel
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Modern Times
Posts: 3546
Joined: Thu Jun 07, 2012 11:02 pm

Re: On-line engine blitz tourney January

Post by Modern Times »

michiguel wrote:
In this position, Kg2 is good (because of Rh1 will be possible later) and Kg3 is bad. Gaviota cannot see at this point the danger of playing Kg3. How do other engines do here? the problem seems to be beyond G horizon. I wonder whether this blindness is G specific. SF changes its mind relatively quick to Kg2.

Miguel
I tried a few. Some start with Kg3 and switch to Kg2 fairly quickly. Shredder 12 is an exception, it chooses Kg2 immediately. But I tried Naum 4.2 on 4CPU, and it starts with Kg3 and after 5 mins is still sticking to it. So Gaviota is not alone !
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Modern Times
Posts: 3546
Joined: Thu Jun 07, 2012 11:02 pm

Re: On-line engine blitz tourney January

Post by Modern Times »

Gaviota here on infinite analysis switches to Kg2 after 11 seconds. Perhaps in the game it couldn't afford to spend that long. I can't recall how much time was left on the clocks.

1r1r2k1/Q2b1pp1/4p2p/3pPP1q/1ppP1R2/P1P2N2/2B2P1K/4R3 w - -

Engine: Gaviota 1.0 x64 (2048 MB)
by Miguel A. Ballicora

15.00 0:00 +1.80 1.Kg3 exf5 2.axb4 Qg6+ 3.Kh2 Ra8 4.Qc7 Qh5+ 5.Nh4 g5 6.Bd1 g4 7.Kg3 Qg5 8.Bc2 Ra2 9.Bxf5 (1.220.633) 1627
16.00 0:01 +2.07 1.Kg3 exf5 2.axb4 Qg6+ 3.Kh2 Ra8 4.Qc7 Qh5+ 5.Nh4 g5 6.Bd1 g4 7.Kg3 Qg5 8.Bc2 Ra3 9.Nxf5 Rxc3+ 10.Ne3 (2.048.079) 1928
16.00 0:01 +2.07 1.Kg3 exf5 2.axb4 Qg6+ 3.Kh2 Ra8 4.Qc7 Qh5+ 5.Nh4 g5 6.Bd1 g4 7.Kg3 Qg5 8.Bc2 Ra3 9.Nxf5 Rxc3+ 10.Ne3 (2.185.328) 1970
17.00 0:01 +2.06 1.Kg3 exf5 2.axb4 Qg6+ 3.Kh2 Qh5+ 4.Nh4 Ra8 5.Qb6 Rab8 6.Qd6 Be6 7.Qc6 g5 8.Bd1 g4 9.Kg3 Rbc8 10.Qb7 Rb8 (3.372.322) 2075
17.00 0:01 +2.06 1.Kg3 exf5 2.axb4 Qg6+ 3.Kh2 Qh5+ 4.Nh4 Ra8 5.Qb6 Rab8 6.Qd6 Be6 7.Qc6 g5 8.Bd1 g4 9.Kg3 Rbc8 10.Qb7 Rb8 (3.880.668) 2141
18.00 0:02 +1.67-- 1.Kg3 (6.751.383) 2298
18.00 0:05 +2.16 1.Kg3 Ra8 2.Qb6 Rab8 3.Qc5 exf5 4.axb4 Rdc8 5.Qe7 g5 6.Rg1 (13.334.688) 2370
18.00 0:05 +2.16 1.Kg3 Ra8 2.Qb6 Rab8 3.Qc5 exf5 4.axb4 Rdc8 5.Qe7 g5 6.Rg1 (13.345.005) 2366
19.00 0:06 +1.77-- 1.Kg3 (16.899.735) 2480
19.00 0:09 +1.22 1.Kg3 exf5 2.axb4 Ra8 3.Qc5 g5 4.Rxf5 Be6 5.Rc1 Rdc8 6.Qe7 Ra3 7.Bb1 Ra1 8.Qf6 Rb8 9.b5 Rxb5 10.Qd8+ Kh7 (24.080.063) 2568
19.00 0:11 +1.30 1.Kg2 exf5 2.axb4 g5 3.Rh1 Qg6 4.Rg1 Ra8 5.Qc5 Kh8 6.Rg4 Qg7 7.Rg3 f4 8.Rxg5 hxg5 9.Rh1+ Kg8 10.Bh7+ Kh8 11.Be4+ Kg8 12.Bxd5 (31.855.647) 2665
19.00 0:12 +1.30 1.Kg2 exf5 2.axb4 g5 3.Rh1 Qg6 4.Rg1 Ra8 5.Qc5 Kh8 6.Rg4 Qg7 7.Rg3 f4 8.Rxg5 hxg5 9.Rh1+ Kg8 10.Bh7+ Kh8 11.Be4+ Kg8 12.Bxd5 (33.800.822) 2694
20.00 0:22 +1.24 1.Kg2 exf5 2.e6 fxe6 3.axb4 Ra8 4.Qc7 Qg6+ 5.Kh1 Qh5+ 6.Nh2 Qf7 7.Kg2 Rdc8 8.Qd6 Rc6 9.Qe5 Rcc8 10.Rh4 Ra2 11.Bb1 Ra3 12.Qg3 (66.528.445) 2956
20.00 0:24 +1.24 1.Kg2 exf5 2.e6 fxe6 3.axb4 Ra8 4.Qc7 Qg6+ 5.Kh1 Qh5+ 6.Nh2 Qf7 7.Kg2 Rdc8 8.Qd6 Rc6 9.Qe5 Rcc8 10.Rh4 Ra2 11.Bb1 Ra3 12.Qg3 (73.849.249) 2968
21.00 0:32 +1.21 1.Kg2 exf5 2.e6 fxe6 3.axb4 Ra8 4.Qb6 Rab8 5.Qc7 Rbc8 6.Qd6 Qg6+ 7.Kf1 Ba4 8.Rxe6 Qh5 9.Rxh6 Rxd6 10.Rxh5 Bxc2 11.Rfh4 Kf7 (96.822.979) 3021
21.00 0:37 +1.21 1.Kg2 exf5 2.e6 fxe6 3.axb4 Ra8 4.Qb6 Rab8 5.Qc7 Rbc8 6.Qd6 Qg6+ 7.Kf1 Ba4 8.Rxe6 Qh5 9.Rxh6 Rxd6 10.Rxh5 Bxc2 11.Rfh4 Kf7 (115.730.911) 3077
best move: Kh2-g2 time: 0:49.656 min n/s: 3.077.213 nodes: 115.730.911
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mar
Posts: 2554
Joined: Fri Nov 26, 2010 2:00 pm
Location: Czech Republic
Full name: Martin Sedlak

Re: On-line engine blitz tourney January

Post by mar »

Thanks Miguel.
Cheng was clearly losing (both agreed) and I thought the game was over already.
I ran cheng on this position and it would play Kg3 as well (switches to Kg2 after 40 seconds - 4 cores, 2G hash) so as I said, this was about a ton of luck.
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Modern Times
Posts: 3546
Joined: Thu Jun 07, 2012 11:02 pm

Re: On-line engine blitz tourney January

Post by Modern Times »

There is always an element of luck in these tournaments, but it is nice when it goes your way :)
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Maarten Claessens
Posts: 106
Joined: Mon May 12, 2014 10:08 am
Location: Near Nijmegen

Re: On-line engine blitz tourney January

Post by Maarten Claessens »

WaDuuttie never considers Kg3, but likes the Rh1 plan:

FEN: 1r1r2k1/Q2b1pp1/4p2p/3pPP1q/1ppP1R2/P1P2N2/2B2P1K/4R3 w - - 1 70

WaDuuttie:
1 00:00 99 99 +1.38 h2g1
2 00:00 199 199 +1.38 h2g1 b4c3
3 00:00 918 91,800 +1.38 h2g1 b4c3 f5e6 f7e6
4 00:00 2,963 296,300 +1.34 h2g1 b4b3 f5e6 f7e6 c2b1
5 00:00 6,598 659,800 +1.06 h2g1 b4b3 f5e6 f7e6 c2b1 h5h3
6 00:00 15,522 1,552,200 +1.54 h2g2!
6 00:00 17,665 588,833 +2.54 h2g2!
6 00:00 22,495 749,833 +2.72 h2g2 e6f5 a3b4 g7g5 e1h1 h5g6 f4g4
7 00:00 27,840 928,000 +2.26 h2g2 e6f5 a3b4 g7g5 e1h1 h5g6 f4g4 b8a8
8 00:00 48,190 1,204,750 +2.66 h2g2 b8a8 a7c5 a8c8 c5b4 e6f5 e1g1 c8b8 b4e7
9 00:00 68,184 1,136,400 +2.72 h2g2 b8a8 a7c5 a8c8 c5b4 e6f5 e1b1 c8a8 g2f1 h5h3 f1e2
10 00:00 189,264 1,261,760 +2.80 h2g2 b4b3 f4h4 h5h4 f3h4 b3c2 f5e6 f7e6 e1c1 g7g5 h4g6 g8f7 g6h8 f7g8
11 00:00 274,493 1,193,447 +2.48 h2g2?
11 00:00 332,108 1,186,100 +2.06 h2g2 e6f5 a3b4 g7g5 e1h1 h5g6 f4g4 g6c6 g4g3 f5f4 b4b5 b8b5
12 00:00 471,023 1,207,751 +1.58 h2g2?
12 00:00 621,433 1,218,496 +1.12 h2g2 e6f5 a3b4 g7g5 e1h1 h5g6 f4g4 g6g7 g4g3 f5f4 c2h7 g7h7 g3g5 g8h8 g5h5
13 00:00 892,531 1,257,085 +1.02 h2g2 e6f5 a3b4 g7g5 e1h1 h5g6 f4g4 g6c6 g4g3 f5f4 c2h7 g8h8 g3h3 d7h3 h1h3 g5g4
14 00:00 1,050,475 1,281,067 +1.42 h2g2!
14 00:00 1,280,417 1,293,350 +1.52 h2g2 e6f5 a3b4 g7g5 e1h1 h5g6 f4g4 g6c6 g4g3 f5f4 e5e6 f4g3 e6d7 c6d7 a7d7 d8d7 f2g3
15 00:01 1,862,358 1,311,519 +1.72 h2g2 e6f5 a3b4 g7g5 e1h1 h5g6 f4g4 g6b6 a7b6 b8b6 g4g3 f5f4 g3h3 d7h3 g2h3 d8a8 h3g4 a8a2
16 00:02 2,748,288 1,308,708 +1.24 h2g2?
16 00:02 3,014,804 1,333,984 +1.24 h2g2 e6f5 a3b4 g7g5 e1h1 h5g6 f4g4 g6b6 a7b6 b8b6 g4g3 f5f4 g3h3 d7h3 g2h3 d8a8 h1c1 a8a3 c2f5
17 00:03 4,926,150 1,349,630 +1.20 h2g2 e6f5 a3b4 g7g5 e1h1 h5g6 f4g4 g6b6 a7b6 b8b6 g4g3 f5f4 g3h3 d7h3 g2h3 d8a8 h1c1 a8a3 c2f5 b6a6
18 00:05 7,412,502 1,357,601 +1.24 h2g2 e6f5 a3b4 g7g5 e1h1 h5g6 f4g4 g6b6 a7b6 b8b6 g4g3 f5f4 g3h3 d7h3 g2h3 d8a8 h1c1 a8a3 c2f5 a3a2 h3g2
19 00:09 12,410,298 1,325,886 +1.08 h2g2?
19 00:11 16,004,418 1,339,281 +1.40 h2g2!
19 00:11 16,203,016 1,355,900 +1.36 h2g2 e6f5 a3b4 g7g5 e1h1 h5g6 c2f5 d7f5 h1h6 g6h6 f4f5 h6e6 f5g5 g8h8 g5g3 b8a8 a7c5 e6f5 c5c6 f5e6 b4b5 a8a2 f3g5
20 00:13 18,669,654 1,355,820 +1.52 h2g2!
20 00:17 23,959,660 1,376,201 +1.68 h2g2 e6f5 a3b4 g7g5 e1h1 h5g6 c2f5 d7f5 h1h6 g6h6 f4f5 h6e6 f5g5 g8h8 g5g3 b8a8 a7c5 f7f6 g3h3 h8g7 e5f6 e6f6 f3e5 f6d6 h3g3 g7f8 g3f3 f8g7 f3f7 g7h6
21 00:25 35,254,920 1,398,449 +1.54 h2g2 e6f5 a3b4 g7g5 e1h1 h5g6 f3h4 g6b6 a7b6 b8b6 f4f5 g5h4 f5f3 h4h3 g2h2 d8a8 h1g1 g8f8 c2g6 d7e6 f3f6 b6a6 g6c2 f8e7 f6h6 a6a2
22 00:33 47,188,783 1,418,358 +1.64 h2g2 e6f5 a3b4 g7g5 e1h1 h5g6 f3h4 g6b6 a7b6 b8b6 f4f5 g5h4 f5f3 h4h3 g2h2 d8a8 h1g1 g8f8 c2h7 b6a6 g1g8 f8e7 g8g7 a8f8 h7b1 d7e6 f3f6 a6a3 f6f3
Nothing is unstable (Lawrence Krauss)
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Modern Times
Posts: 3546
Joined: Thu Jun 07, 2012 11:02 pm

Re: On-line engine blitz tourney January

Post by Modern Times »

mar wrote: Cheng was clearly losing (both agreed) and I thought the game was over already.
I ran cheng on this position and it would play Kg3 as well (switches to Kg2 after 40 seconds - 4 cores, 2G hash) so as I said, this was about a ton of luck.
On 8 cores here it takes over 2 mins to switch to Kg2, at depth 27. So yes Cheng would almost certainly have played Kg3 itself.

I thought the game was lost too, or best case a draw, but you need to take some good luck when it comes your way, because sometimes it goes the other way ! A similar thing happened against The Baron too. There things were very even, and suddenly Cheng had a big advantage.

An example of where things go wrong - in the game against Arasan, out of book at over -1 as I recall, which quickly got worse, and the game was over almost as soon as it started. An excellent Arasan book more than anything else, at that stage Cheng was using performance.bin, a winboard book which has always seemed reasonably OK. A pity I don't have the pgn of that game to look at further to see what happened exactly.
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