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Article #1746

New and better databases on ChessliB

#1746
From: Arild Fredriksen
Date: Fri, 08 Mar 2002 21:57
148 lines
7766 bytes
New, and better, databases on ChessliB:

http://www.uib.no/people/pfvaf/chesslib/


Opening Report
Database: ECO A00-E99 (2,442,134 games)
Report: (2442134 games)
Generated by Scid 3.2, 2002.03.1. Statistics and History
1.1 Statistics
                   Games     1-0     =-=     0-1    Score
-----------------------------------------------------------
 All report games2442134  975848  707843  758418    54.4%

 Both rated 2600+  20127    5708   11026    3393    55.7%
 Both rated 2500+ 106905   30794   57051   19057    55.4%
 Both rated 2400+ 307683   96241  149090   62347    55.5%
 Both rated 2300+ 519782  172978  228206  118591    55.2%
 Both rated 2200+ 735654  256825  294789  184028    54.9%
 Both rated 2100+ 825899  293661  318828  213398    54.8%
 Both rated 2000+ 879638  315715  332519  231391    54.7%

 Since 1900.01.012361458  940030  692989  728414    54.4%
 Since 1950.01.012287953  908138  674102  705688    54.4%
 Since 1960.01.012238659  888260  658588  691786    54.3%
 Since 1970.01.012143804  850956  627044  665779    54.3%
 Since 1980.01.011984798  787065  577439  620270    54.2%
 Since 1990.01.011576576  627528  447888  501138    54.0%
 Since 1992.01.011389965  553611  392591  443742    53.9%
 Since 1994.01.011123073  447596  317733  357726    54.0%
 Since 1996.01.01 823104  327083  234179  261824    53.9%
 Since 1998.01.01 499010  197952  141793  159248    53.8%
 Since 2000.01.01 162892   63630   48448   50805    53.9%
 Since 2001.01.01  66707   25597   21299   19804    54.3%
-----------------------------------------------------------

1.2 Oldest games
1: =-=(45) Johnstone -- Pillsbury, ? 1898
2: 1-0(41) Schlechter -- Svensson, Stockholm SWE 1906 [29]
3: 1-0(30) Alekhine -- Johnstone, New York, NY USA 1923
4: =-=(64) Rubinstein -- Kashdan, ? 1928
5: =-=(22) Rubinstein -- Kashdan, Hamburg GER 1930

1.3 Newest games
1: 0-1(42) Anand 2770 -- Ivanchuk 2731, Moscow RUS 2001.12.13
2: =-=(27) Ivanchuk 2731 -- Anand 2770, Moscow RUS 2001.12.11
3: =-=(18) Anand 2770 -- Ivanchuk 2731, Moscow RUS 2001.12.10
4: 1-0(50) Kasparov 2838 -- Kramnik 2809, Moscow RUS 2001.12.09 [70]
5: =-=(24) Kasparov 2838 -- Kramnik 2809, Moscow RUS 2001.12.09 [66]

1.5 Most frequent players (White)
  1: 401  1975-2001  71%  2851  Kasparov, Gary [2,3,4,5,6,7,16,18,...]
  2: 253  1993-2001  61%  2809  Kramnik, Vladimir
[2,8,10,11,13,14,16,17,...]
  3: 209  1992-2001  61%  2795  Anand, Viswanathan
[9,10,29,38,58,63,85,90,...]
  4: 207  1964-2001  56%  2780  Karpov, Anatoly
[36,41,42,44,50,53,55,56,...]
  5: 108  1990-2001  49%  2740  Ivanchuk, Vassily
[51,54,64,68,70,91,107,114]
  6:  95  1986-2001  52%  2751  Shirov, Alexei D [2,96,106,114,118,119,120]

1.6 Most frequent players (Black)
  1: 401  1975-2001  57%  2851  Kasparov, Gary [1,2,8,10,11,13,14,15,...]
  2: 239  1994-2001  48%  2809  Kramnik, Vladimir [2,3,4,5,6,7,9,10,...]
  3: 222  1992-2001  48%  2795  Anand, Viswanathan
[8,16,17,18,19,20,24,30,...]
  4: 206  1962-2001  45%  2780  Karpov, Anatoly [2,16,21,70,75,87,92,96]
  5:  99  1994-2001  40%  2751  Shirov, Alexei D [79,84,89,94,101]
  6:  94  1985-2001  37%  2740  Ivanchuk, Vassily [8,50,78,79,96,107,118]

2. Ratings and Performance
2.1 Average ratings and performance
White rating: 2747 (1708 games); White performance: 2792 (56% vs 2749)
Black rating: 2749 (1708 games); Black performance: 2704 (44% vs 2747)

2.2 Games with highest average rating
1: 0-1(35) Svensson -- Timman, ? 1966 [31]
2: 1-0(28) Svensson -- Agrest, ? 1992 [116]
3: 1-0(41) Schlechter -- Svensson, Stockholm SWE 1906 [29]
4: 0-1(30) Svensson -- Georgiev 2590, Brocco SUI 1987 [62]
5: =-=(36) Svensson -- Ahlander, Sweden 1992 [104]
6: =-=(33) Ernst -- Svensson, ? 1982 [116]
7: =-=(27) Hellers 2565 -- Svensson, ? 1989 [100]
8: 0-1(27) Schussler -- Svensson, Helsingborg 1990 [36]

3. Result Trends
3.1 Result lengths and frequencies
                 Score      Game length             Frequency
                          1-0    =-=    0-1    1-0     =-=     0-1
 Report games    54.4%     42     38     45   39.9%   28.9%   31.0%
 All games       54.4%     39     37     40   39.9%   28.9%   31.0%

3.2 Shortest wins (White)
1: 1-0(11) Kasparov -- Gelfand, Novgorod RUS 0 [63]
2: 1-0(11) Topalov 2740 -- Karpov 2735, ? 1998
3: 1-0(13) Shirov 2690 -- Ferret, ? 1996 [96]
4: 1-0(14) Kasparov -- Taimanov, ? 1978
5: 1-0(14) Kramnik 2772 -- Shirov 2718, Monaco MNC 2001

3.3 Shortest wins (Black)
1: 0-1(14) Floessel 2605 -- Schaper 2845, ? 1994
2: 0-1(18) Kevlar -- Ferret, BR 5 3 5/27 1996 [12]
3: 0-1(19) Bareev 2680 -- Kasparov 2770, Paris FRA 1991
4: 0-1(20) Bareev 2650 -- Kasparov 2800, ? 1991
5: 0-1(22) Kasparov 2815 -- Kramnik 2780, Moscow RUS 1998 [7]

4. Moves and Themes
4.1 Move orders reaching the report position
There was only one move order reaching this position:
1: (2442134)

4.2 Moves from the report position
    Move   ECO       Frequency    Score  AvElo Perf AvYear
 1: e4     B00a  1189467: 48.7%   53.9%  2336  2370  1987
 2: d4     A40a   800516: 32.7%   55.2%  2370  2400  1988
 3: Nf3    A04    189413:  7.7%   55.4%  2380  2405  1989
 4: c4     A10    184929:  7.5%   54.7%  2378  2400  1988
 5: g3     A00t    18031:  0.7%   54.0%  2369  2383  1990
 6: f4     A02     17265:  0.7%   48.2%  2222  2241  1986
 7: b4     A00p    14733:  0.6%   52.3%  2194  2234  1989
 8: b3     A01     10145:  0.4%   50.5%  2324  2326  1991
 9: Nc3    A00l     8452:  0.3%   53.5%  2239  2294  1992
10: e3     A00k     2636:  0.1%   42.6%  2210  2176  1988
11: g4     A00n     2049:  0.0%   52.3%  2111  2207  1990
12: d3     A00j     1494:  0.0%   45.6%  2232  2208  1992
13: a3     A00f     1070:  0.0%   46.9%  2172  2180  1989
14: c3     A00i      730:  0.0%   47.3%  2195  2193  1990
15: h3     A00d      277:  0.0%   40.9%  2212  2169  1993
16: f3     A00b      230:  0.0%   45.2%  2087  1996  1995
17: h4     A00c      193:  0.0%   47.4%  1920  1846  1994
18: a4     A00e      192:  0.0%   48.4%  1890  1826  1995
19: Nh3    A00g      166:  0.0%   37.6%  1802  1911  1992
20: Na3    A00h      146:  0.0%   50.0%  2041  1950  1995
__________________________________________________________
TOTAL:           2442134:100.0%   54.4%  2355  2381   181

4.3 Positional Themes
Frequency of themes at move 8:
   Same-side castling:             25%    Isolated Queen Pawn:
3%
   Opposite castling:               1%    White Pawn on 5/6/7th rank:
21%
   Both Kings uncastled:           39%    Black Pawn on 2/3/4th rank:
11%
   Kingside pawn storm:             0%    Open c/d/e file:
14%
   Queens exchanged:                2%    Only one side has Bishop pair:
Technical Details
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From: "Arild Fredriksen" <Chessplayer@Winning.com>
Newsgroups: gnu.chess
Subject: New and better databases on ChessliB
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Organization: The Universty of Bergen - Norway
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