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main whatisnew download strength features shots subscribe reviews FAQ price list phonelistemail list how to order aegon bench database util epd2diagramj. noomen column DIAZ column misc. older topics comp. profile cartoon mode REBELBASE ECO Overview (A00-E99)


 Database:GAMEBASE   ***   Complete overview ECO   ***



 ECO                               (perc)  Tot     +          -   Perc Elo



 A00 Irregular Openings            ( 1.4)  4090  1447  1410  1233   52% 2400

 A01 Larsen Opening                ( 0.3)   804   279   253   272   50% 2397

 A02 From's Gambit and Bird's      ( 0.2)   476   159   125   192   46% 2353

 A03 Bird's Opening                ( 0.1)   372   115   104   153   44% 2345

 A04 Dutch System                  ( 2.6)  7892  2703  3171  2018   54% 2432

 A05 Transitions into various      ( 5.0) 15051  5058  6666  3327   55% 2445

 A06 Zukertort Opening             ( 0.8)  2376   767  1086   523   55% 2464

 A07 Barcza System (with           ( 0.7)  2067   688   890   489   54% 2431

 A08 Barcza System                 ( 0.1)   237    88    87    62   55% 2418

 A09 Reti Opening                  ( 0.6)  1676   590   710   376   56% 2439

 A10 Dutch, Queen's Indian and     ( 1.3)  4006  1393  1537  1076   53% 2425

 A11 Reti Opening                  ( 0.4)  1267   454   538   275   57% 2432

 A12 Reti Opening                  ( 0.0)    95    35    36    24   55% 2379

 A13 Reti Opening                  ( 1.1)  3313  1135  1465   713   56% 2448

 A14 Reti Opening                  ( 0.0)    73    33    29    11   65% 2397

 A15 English counter King's        ( 1.0)  3046  1072  1284   690   56% 2426

 A16 English Opening               ( 1.4)  4155  1642  1522   991   57% 2429

 A17 English Opening               ( 0.4)  1193   447   506   240   58% 2463

 A18 English Opening               ( 0.1)   237   109    76    52   62% 2401

 A19 English Opening               ( 0.0)   143    53    57    33   56% 2454

 A20 English Opening               ( 0.4)  1144   416   433   295   55% 2453

 A21 English Opening               ( 0.3)   952   351   321   280   53% 2445

 A22 English Opening               ( 0.5)  1653   517   692   444   52% 2471

 A23 English Opening               ( 0.0)    87    27    32    28   49% 2378

 A24 English Opening               ( 0.0)    14     8     4     2   71% 2434

 A25 English Opening (Sicilian     ( 0.2)   638   216   246   176   53% 2432

 A26 English Opening (Sicilian     ( 0.0)    87    23    43    21   51% 2467

 A27 English Opening (Dutch        ( 0.1)   249    85    97    67   53% 2433

 A28 English Opening (Four         ( 0.0)    79    28    28    23   53% 2415

 A29 English Opening (Four         ( 0.0)    79    24    40    15   55% 2475

 A30 English Opening (Symmetrical  ( 0.6)  1964   697   919   348   58% 2464

 A31 English Opening (Symmetrical  ( 0.0)    39    16    14     9   58% 2425

 A32 English Opening (Symmetrical  ( 0.0)    22     4    15     3   52% 2436

 A33 English Opening (Symmetrical  ( 0.0)     1     0     1     0   50% 2390

 A34 English Opening (Symmetrical  ( 0.2)   563   145   258   160   48% 2434

 A35 English Opening (Symmetrical  ( 0.1)   165    55    67    43   53% 2404

 A36 English Opening (Botvinnik    ( 0.1)   174    56    85    33   56% 2391

 A37 English Opening (Symmetrical  ( 0.0)    43     7    21    15   40% 2432

 A38 English Opening (Symmetrical  ( 0.0)    10     2     7     1   55% 2355

 A39 English Opening (Symmetrical  ( 0.0)     5     1     2     2   40% 2471

 A40 Unusual Replies to 1.d4       ( 2.7)  8058  3087  2879  2092   56% 2418

 A41 Modern Defence counter 1.d4   ( 0.9)  2708   982   994   732   54% 2453

 A42 Modern Defence (with          ( 0.0)    95    44    23    28   58% 2406

 A43 Old Benoni                    ( 0.2)   751   297   229   225   54% 2385

 A44 Old Benoni                    ( 0.1)   353   167   102    84   61% 2367

 A45 Queen's Pawn Opening          ( 1.1)  3223  1122  1000  1101   50% 2403

 A46 Queen's Pawn Opening          ( 2.8)  8517  2838  3418  2261   53% 2441

 A47 Queen's Indian (without       ( 0.2)   577   192   241   144   54% 2400

 A48 King's Indian Defence         ( 1.7)  5101  1833  1919  1349   54% 2419

 A49 King's Indian Defence         ( 0.4)  1196   372   503   321   52% 2442

 A50 Queen's Indian (without       ( 0.2)   728   309   256   163   60% 2417

 A51 Budapest Defence (Fajarowicz  ( 0.0)   136    58    41    37   57% 2347

 A52 Budapest Defence (Main Line)  ( 0.2)   479   216   142   121   59% 2358

 A53 Old Indian Defence            ( 0.5)  1434   567   502   365   57% 2411

 A54 Old Indian Defence            ( 0.1)   328   118   112    98   53% 2397

 A55 Old Indian Defence            ( 0.0)   100    55    26    19   68% 2396

 A56 Old Indian Defence            ( 0.9)  2625   996   861   768   54% 2413

 A57 Volga Gambit                  ( 0.5)  1519   631   447   441   56% 2401

 A58 Volga Gambit                  ( 0.2)   622   241   202   179   54% 2410

 A59 Volga Gambit                  ( 0.0)    42    15    15    12   53% 2357

 A60 Modern Benoni Defence         ( 0.0)   133    55    36    42   54% 2389

 A61 Benoni Defence                ( 0.1)   265   124    78    63   61% 2403

 A62 Benoni Defence                ( 0.0)    52    25     9    18   56% 2386

 A63 Benoni Defence                ( 0.0)    10     1     4     5   30% 2555

 A64 Benoni Defence                ( 0.0)     1     1     0     0  100% 2225

 A65 Benoni Defence                ( 0.1)   241   121    57    63   62% 2387

 A66 Benoni Defence (Central       ( 0.0)    18     8     3     7   52% 2306

 A67 Benoni Defence (Three Pawns'  ( 0.1)   154    77    28    49   59% 2365

 A68 Benoni Defence (Three Pawns'  ( 0.0)    16     7     1     8   46% 2362

 A69 Benoni Defence (Three Pawns'  ( 0.0)    13     4     5     4   50% 2337

 A70 Benoni Defence (Main Line)    ( 0.0)    50    17    15    18   49% 2374

 A71 Benoni Defence (Main          ( 0.0)    35    13    10    12   51% 2413

 A72 Benoni Defence (Main          ( 0.0)    15     5     4     6   46% 2355

 A73 Benoni Defence (Main Line)    ( 0.0)    13     5     4     4   53% 2406

 A74 Benoni Defence (Main Line)    ( 0.0)     1     1     0     0  100% 2255

 A75 Benoni Defence (Main Line)    ( 0.0)    11     5     4     2   63% 2400

 A76 Benoni Defence (Main Line)    ( 0.0)     7     4     1     2   64% 2465

 A77 Benoni Defence (Main Line)    ( 0.0)    27    10     5    12   46% 2444

 A78 Benoni Defence (Main Line)    ( 0.0)     7     2     1     4   35% 2367

 A79 Benoni Defence (Main Line)    ( 0.0)    13     4     6     3   53% 2351

 A80 Dutch Defence                 ( 0.4)  1187   498   366   323   57% 2399

 A81 Dutch Defence (Leningrad      ( 0.4)  1289   524   472   293   58% 2422

 A82 Dutch Defence (Staunton       ( 0.0)    57    23    11    23   50% 2337

 A83 Dutch Defence (Staunton       ( 0.0)    96    37    21    38   49% 2357

 A84 Dutch Defence                 ( 0.1)   155    52    49    54   49% 2364

 A85 Dutch Defence                 ( 0.1)   216    85    58    73   52% 2369

 A86 Dutch Defence (Leningrad      ( 0.0)    46    16    19    11   55% 2394

 A87 Dutch Defence (Leningrad      ( 0.0)    31    14     8     9   58% 2415

 A88 Dutch Defence (Leningrad      ( 0.0)     1     1     0     0  100% 2445

 A89 Dutch Defence (Leningrad      ( 0.0)     6     3     2     1   66% 2406

 A90 Dutch Defence (Classical      ( 0.0)    20     8     7     5   57% 2516

 A91 Dutch Defence (Classical      ( 0.0)     7     2     3     2   50%    0

 A92 Dutch Defence (Stonewall)     ( 0.0)     2     1     1     0   75% 2335

 A98 Dutch Defence (Main Line)     ( 0.0)     2     0     0     2    0% 2435

 B00 Owen Defence, Nimzowitsch     ( 0.9)  2706  1143   763   800   56% 2403

 B01 Centre Counter                ( 0.7)  2147   860   686   601   56% 2368

 B02 Alekhine's Defence (Two       ( 0.4)  1195   402   369   424   49% 2366

 B03 Alekhine's Defence (Four      ( 0.2)   686   267   208   211   54% 2372

 B04 Alekhine's Defence (Modern    ( 0.3)   867   357   315   195   59% 2407

 B05 Alekhine's Defence (Modern    ( 0.2)   703   303   226   174   59% 2402

 B06 Modern Defence                ( 1.4)  4363  1597  1419  1347   52% 2404

 B07 Pirc Defence                  ( 0.7)  2208   910   698   600   57% 2403

 B08 Pirc Defence                  ( 0.2)   695   246   282   167   55% 2434

 B09 Pirc Defence (Three Pawns'    ( 0.3)   811   323   279   209   57% 2418

 B10 Caro Kann                     ( 0.5)  1595   574   637   384   55% 2417

 B11 Caro Kann (Two Knights'       ( 0.1)   273    96   106    71   54% 2427

 B12 Caro Kann (Advance Variation) ( 1.0)  3061  1092  1196   773   55% 2441

 B13 Caro Kann (Exchange           ( 0.3)   947   324   385   238   54% 2387

 B14 Caro Kann (Panov Attack)      ( 0.3)   893   305   346   242   53% 2425

 B15 Caro Kann (Flohr Variation)   ( 0.1)   349   133   130    86   56% 2379

 B16 Caro Kann (Nimzowitsch        ( 0.1)   227    85    81    61   55% 2378

 B17 Caro Kann                     ( 0.2)   677   212   322   143   55% 2455

 B18 Caro Kann (Main Line)         ( 0.2)   596   194   266   136   54% 2422

 B19 Caro Kann (Main Line)         ( 0.1)   242    71   125    46   55% 2437

 B20 Sicilian Defence (Sicilian    ( 0.5)  1521   502   466   553   48% 2407

 B21 Sicilian Defence (Morra       ( 0.4)  1092   369   282   441   46% 2383

 B22 Sicilian Defence (Alapin      ( 1.3)  4062  1265  1538  1259   50% 2411

 B23 Sicilian Defence (Closed      ( 1.0)  2928   996   992   940   50% 2415

 B24 Sicilian Defence (Closed      ( 0.2)   737   238   218   281   47% 2364

 B25 Sicilian Defence (Closed      ( 0.2)   511   146   190   175   47% 2411

 B26 Sicilian Defence (Closed      ( 0.1)   317    85   116   116   45% 2396

 B27 Sicilian Defence (Early       ( 0.2)   688   255   248   185   55% 2394

 B28 Sicilian Defence (Early       ( 0.1)   410   154   134   122   53% 2389

 B29 Sicilian Defence              ( 0.1)   431   184   132   115   58% 2362

 B30 Sicilian Defence (Rossolimo   ( 0.7)  2245   806   794   645   53% 2417

 B31 Sicilian Defence (Rossolimo   ( 0.4)  1148   467   406   275   58% 2413

 B32 Sicilian Defence              ( 0.9)  2645   908   986   751   52% 2430

 B33 Sicilian Defence              ( 1.5)  4542  1564  1624  1354   52% 2419

 B34 Sicilian Defence              ( 0.1)   284   100    78   106   48% 2352

 B35 Sicilian Defence              ( 0.1)   362   146   123    93   57% 2395

 B36 Sicilian Defence (Maroczy     ( 0.1)   334   100   181    53   57% 2450

 B37 Sicilian Defence (Maroczy     ( 0.0)    41    13    16    12   51% 2381

 B38 Sicilian Defence (Maroczy     ( 0.1)   266    99   120    47   59% 2383

 B39 Sicilian Defence (Maroczy     ( 0.1)   193    84    69    40   61% 2391

 B40 Sicilian Defence (Classical   ( 2.0)  6061  2144  2124  1793   52% 2423

 B41 Sicilian Defence (Paulsen     ( 0.2)   463   130   160   173   45% 2409

 B42 Sicilian Defence (Paulsen     ( 0.5)  1493   546   525   422   54% 2455

 B43 Sicilian Defence (Paulsen     ( 0.4)  1088   324   370   394   46% 2445

 B44 Sicilian Defence (Paulsen     ( 0.3)   761   240   290   231   50% 2436

 B45 Sicilian Defence (Classical   ( 0.1)   395   152   140   103   56% 2446

 B46 Sicilian Defence (Paulsen     ( 0.2)   631   206   264   161   53% 2456

 B47 Sicilian Defence (Paulsen     ( 0.2)   682   225   280   177   53% 2450

 B48 Sicilian Defence (Paulsen     ( 0.1)   206    68    72    66   50% 2452

 B49 Sicilian Defence (Paulsen     ( 0.0)    33     7    10    16   36% 2425

 B50 Sicilian Defence (Variations  ( 0.7)  2089   658   720   711   48% 2438

 B51 Sicilian Defence (Rossolimo   ( 0.2)   634   195   241   198   49% 2456

 B52 Sicilian Defence (Rossolimo   ( 0.3)  1055   260   538   257   50% 2461

 B53 Sicilian Defence (Hungarian   ( 0.2)   549   185   189   175   50% 2409

 B54 Sicilian Defence (Rauzer      ( 0.1)   325   132   102    91   56% 2409

 B55 Sicilian Defence (Rauzer      ( 0.0)    46    18    14    14   54% 2403

 B56 Sicilian Defence (Deviations  ( 0.3)   855   271   322   262   50% 2450

 B57 Sicilian Defence (Sozin       ( 0.2)   718   243   249   226   51% 2451

 B58 Sicilian Defence              ( 0.2)   469   157   154   158   49% 2434

 B59 Sicilian Defence              ( 0.0)   149    31    67    51   43% 2395

 B60 Sicilian Defence (Rauzer      ( 0.0)   136    34    56    46   45% 2455

 B61 Sicilian Defence (Rauzer      ( 0.0)    92    29    38    25   52% 2443

 B62 Sicilian Defence (Rauzer      ( 0.0)    57    23    16    18   54% 2452

 B63 Sicilian Defence (Rauzer      ( 0.1)   253   107    76    70   57% 2476

 B64 Sicilian Defence (Rauzer      ( 0.0)    97    37    36    24   56% 2484

 B65 Sicilian Defence (Rauzer      ( 0.0)    62    18    32    12   54% 2505

 B66 Sicilian Defence (Rauzer      ( 0.2)   514   154   237   123   53% 2499

 B67 Sicilian Defence (Rauzer      ( 0.1)   203    73    73    57   53% 2464

 B68 Sicilian Defence (Rauzer      ( 0.0)    33    15    13     5   65% 2464

 B69 Sicilian Defence (Rauzer      ( 0.0)    41    13    20     8   56% 2474

 B70 Sicilian Defence (Dragon      ( 0.3)   976   360   333   283   53% 2405

 B71 Sicilian Defence (Dragon      ( 0.0)   108    32    37    39   46% 2382

 B72 Sicilian Defence (Dragon      ( 0.1)   199    77    60    62   53% 2375

 B73 Sicilian Defence (Dragon      ( 0.0)    21     4    13     4   50% 2377

 B74 Sicilian Defence (Dragon      ( 0.0)    12     5     4     3   58% 2271

 B75 Sicilian Defence (Modern      ( 0.2)   621   282   198   141   61% 2438

 B76 Sicilian Defence (Modern      ( 0.1)   403   181   124    98   60% 2375

 B77 Sicilian Defence (Modern      ( 0.1)   189    91    47    51   60% 2386

 B78 Sicilian Defence (Modern      ( 0.1)   167    72    41    54   55% 2367

 B79 Sicilian Defence (Modern      ( 0.0)     1     0     0     1    0%    0

 B80 Sicilian Defence              ( 0.1)   273    97    81    95   50% 2449

 B81 Sicilian Defence (Keres       ( 0.1)   275   112   101    62   59% 2486

 B82 Sicilian Defence              ( 0.0)   145    47    60    38   53% 2469

 B83 Sicilian Defence              ( 0.1)   275    71   115    89   46% 2473

 B84 Sicilian Defence              ( 0.0)   100    33    25    42   45% 2441

 B85 Sicilian Defence              ( 0.0)     2     1     0     1   50%    0

 B86 Sicilian Defence (Sozin       ( 0.0)    48    16    13    19   46% 2392

 B87 Sicilian Defence (Sozin       ( 0.0)    14     5     5     4   53% 2471

 B88 Sicilian Defence (Sozin       ( 0.0)     3     2     1     0   83% 2272

 B89 Sicilian Defence (Sozin       ( 0.0)     3     1     1     1   50% 2532

 B90 Sicilian Defence (Najdorf     ( 0.8)  2549   982   800   767   54% 2460

 B91 Sicilian Defence (Najdorf     ( 0.1)   338    99   129   110   48% 2452

 B92 Sicilian Defence (Najdorf     ( 0.6)  1697   530   674   493   51% 2467

 B93 Sicilian Defence (Najdorf     ( 0.3)  1035   367   348   320   52% 2470

 B94 Sicilian Defence (Najdorf     ( 0.1)   196    68    58    70   49% 2446

 B95 Sicilian Defence (Najdorf     ( 0.1)   233    77    65    91   46% 2406

 B96 Sicilian Defence (Najdorf     ( 0.2)   456   156   141   159   49% 2454

 B97 Sicilian Defence (Najdorf     ( 0.1)   391   120   134   137   47% 2488

 B98 Sicilian Defence (Najdorf     ( 0.1)   183    73    40    70   50% 2391

 B99 Sicilian Defence (Najdorf     ( 0.1)   281   106    81    94   52% 2425

 C00 French Defence (Unusual       ( 0.7)  2256   872   692   692   53% 2374

 C01 French Defence (Exchange      ( 0.3)   900   229   432   239   49% 2420

 C02 French Defence (Advance       ( 0.5)  1645   657   434   554   53% 2372

 C03 French Defence (Tarrasch      ( 0.3)   985   382   387   216   58% 2429

 C04 French Defence (Tarrasch      ( 0.1)   322   147    99    76   61% 2405

 C05 French Defence (Tarrasch      ( 0.5)  1631   717   496   418   59% 2380

 C06 French Defence (Tarrasch      ( 0.2)   456   184   138   134   55% 2375

 C07 French Defence (Tarrasch      ( 0.4)  1309   403   635   271   55% 2464

 C08 French Defence (Tarrasch      ( 0.2)   520   148   268   104   54% 2485

 C09 French Defence (Tarrasch      ( 0.1)   281    89   143    49   57% 2468

 C10 French Defence (Rubinstein    ( 0.2)   751   300   310   141   60% 2423

 C11 French Defence                ( 0.4)  1343   478   541   324   55% 2457

 C12 French Defence (MacCutcheon   ( 0.1)   324   123   104    97   54% 2386

 C13 French Defence (Classical     ( 0.1)   275   135    70    70   61% 2394

 C14 French Defence (Classical     ( 0.1)   348   153   104    91   58% 2403

 C15 French Defence (Winawer       ( 0.3)   987   389   334   264   56% 2391

 C16 French Defence (Winawer       ( 0.4)  1231   495   402   334   56% 2434

 C17 French Defence (Winawer       ( 0.2)   665   280   183   202   55% 2403

 C18 French Defence (Winawer       ( 0.1)   405   188   124    93   61% 2371

 C19 French Defence (Winawer       ( 0.4)  1182   509   329   344   56% 2424

 C20 Unusual Moves                 ( 0.0)    75    16    24    35   37% 2358

 C21 Danish Gambit etc             ( 0.1)   160    66    41    53   54% 2251

 C22 Centre Gambit                 ( 0.0)    86    35    16    35   50% 2409

 C23 Bishop's Opening              ( 0.1)   193    84    55    54   57% 2361

 C24 Bishop's Opening              ( 0.2)   713   284   239   190   56% 2410

 C25 Vienna Game                   ( 0.1)   446   169   139   138   53% 2385

 C26 Vienna Game                   ( 0.2)   458   166   173   119   55% 2395

 C27 Vienna Game                   ( 0.0)    56    17    20    19   48% 2394

 C28 Vienna Game                   ( 0.0)    76    21    27    28   45% 2413

 C29 Vienna Game                   ( 0.1)   215    80    65    70   52% 2390

 C30 King's Gambit Declined        ( 0.1)   264   117    65    82   56% 2349

 C31 Falkbeer Counter Gambit       ( 0.1)   187    71    44    72   49% 2365

 C32 Falkbeer Counter Gambit       ( 0.0)    72    36    19    17   63% 2349

 C33 King's Gambit (Bishop's       ( 0.1)   221    69    57    95   44% 2400

 C34 King's Gambit (Knight's       ( 0.1)   223    82    45    96   46% 2402

 C35 King's Gambit (Cunningham     ( 0.0)    91    30    25    36   46% 2440

 C36 King's Gambit (Modern         ( 0.0)   143    50    38    55   48% 2291

 C37 Knight's Gambit (Muzio        ( 0.0)    34    20     5     9   66% 2374

 C38 King's Gambit (Philidor and   ( 0.0)    38    20     4    14   57% 2298

 C39 King's Gambit (Allgaier       ( 0.0)   130    56    27    47   53% 2429

 C40 Latvian Gambit                ( 0.2)   564   280    86   198   57% 2202

 C41 Philidor's Defence            ( 0.3)   829   379   256   194   61% 2383

 C42 Petroff's Defence             ( 0.6)  1843   640   877   326   58% 2433

 C43 Petroff's Defence             ( 0.2)   565   256   224    85   65% 2457

 C44 Scotch Gambit                 ( 0.3)   958   354   307   297   52% 2378

 C45 Scotch Game                   ( 0.4)  1211   416   455   340   53% 2430

 C46 Four Knight's Game (Unusual   ( 0.1)   357   122   122   113   51% 2433

 C47 Four Knight's Game            ( 0.2)   478   145   232   101   54% 2428

 C48 Four Knight's Game            ( 0.1)   353   102   184    67   54% 2462

 C49 Four Knight's Game (Metger    ( 0.1)   359   111   155    93   52% 2446

 C50 Giuoco Piano                  ( 0.2)   611   216   207   188   52% 2409

 C51 Evans Gambit                  ( 0.1)   157    64    35    58   51% 2413

 C52 Evans Gambit (Main Line)      ( 0.0)   121    59    27    35   59% 2367

 C53 Giuoco Piano                  ( 0.2)   543   212   175   156   55% 2433

 C54 Giuoco Piano (Main Line)      ( 0.0)   128    34    46    48   44% 2366

 C55 Two Knight's Defence          ( 0.3)  1008   338   348   322   50% 2420

 C56 Two Knight's Defence          ( 0.0)    86    19    29    38   38% 2384

 C57 Two Knight's Defence          ( 0.1)   193    58    46    89   41% 2383

 C58 Two Knight's Defence          ( 0.0)    84    34    17    33   50% 2368

 C59 Two Knight's Defence          ( 0.0)   116    44    35    37   53% 2435

 C60 Ruy Lopez                     ( 0.2)   556   200   221   135   55% 2424

 C61 Ruy Lopez (Bird's Defence)    ( 0.1)   263   117    85    61   60% 2426

 C62 Ruy Lopez (Old Steinitz       ( 0.1)   188    93    58    37   64% 2390

 C63 Ruy Lopez (Schliemann         ( 0.2)   628   270   180   178   57% 2363

 C64 Ruy Lopez (Classical Defence) ( 0.1)   445   191   155    99   60% 2387

 C65 Ruy Lopez (Berlin Defence)    ( 0.2)   573   221   204   148   56% 2448

 C66 Ruy Lopez (Berlin Defence)    ( 0.0)   133    57    49    27   61% 2387

 C67 Ruy Lopez (Rio de Janeiro     ( 0.2)   599   196   285   118   56% 2471

 C68 Ruy Lopez (Exchange           ( 0.1)   379   105   163   111   49% 2419

 C69 Ruy Lopez (Exchange           ( 0.3)  1024   315   455   254   52% 2456

 C70 Ruy Lopez (Deviations in the  ( 0.1)   348   156    94    98   58% 2394

 C71 Ruy Lopez (Modern Steinitz    ( 0.1)   160    50    55    55   48% 2410

 C72 Ruy Lopez (Modern Steinitz    ( 0.1)   431   183   147   101   59% 2441

 C73 Ruy Lopez (Modern Steinitz    ( 0.1)   270    91    99    80   52% 2443

 C74 Ruy Lopez (Modern Steinitz    ( 0.1)   195    74    67    54   55% 2432

 C75 Ruy Lopez (Modern Steinitz    ( 0.1)   259   106    97    56   59% 2468

 C76 Ruy Lopez (Modern Steinitz    ( 0.0)    79    20    45    14   53% 2556

 C77 Ruy Lopez (Anderssen          ( 0.4)  1321   471   457   393   52% 2413

 C78 Ruy Lopez (Moeller Defence)   ( 0.3)  1049   405   394   250   57% 2449

 C79 Ruy Lopez (Russian Defence)   ( 0.1)   212    88    85    39   61% 2433

 C80 Ruy Lopez (Open Defence)      ( 0.2)   630   214   278   138   56% 2471

 C81 Ruy Lopez (Open               ( 0.1)   179    66    79    34   58% 2447

 C82 Ruy Lopez (Open               ( 0.1)   309    99   120    90   51% 2488

 C83 Ruy Lopez (Open Defence/Main  ( 0.1)   197    75    88    34   60% 2440

 C84 Ruy Lopez (Centre Attack)     ( 0.1)   336   107   146    83   53% 2438

 C85 Ruy Lopez (Steenwijker        ( 0.2)   502   149   246   107   54% 2449

 C86 Ruy Lopez (English            ( 0.1)   304   110   113    81   54% 2460

 C87 Ruy Lopez (Russian Defence    ( 0.1)   168    75    63    30   63% 2525

 C88 Ruy Lopez (Closed System)     ( 1.5)  4641  1624  2134   883   57% 2481

 C89 Ruy Lopez (Marshall Attack)   ( 0.1)   419   145   180    94   56% 2481

 C90 Ruy Lopez (Deviations from    ( 0.0)    20     7    10     3   60% 2511

 C91 Ruy Lopez (Deviations from    ( 0.0)    39    11    12    16   43% 2495

 C92 Ruy Lopez (Tchigorin          ( 0.1)   258    73   133    52   54% 2472

 C93 Ruy Lopez (Smyslov Variation) ( 0.0)    67    17    38    12   53% 2504

 C94 Ruy Lopez (Breyer Variation)  ( 0.0)    20     6    12     2   60% 2475

 C95 Ruy Lopez (Breyer Variation)  ( 0.0)    82    25    40    17   54% 2480

 C96 Ruy Lopez (Deviations from    ( 0.0)    89    19    48    22   48% 2490

 C97 Ruy Lopez (Deviations from    ( 0.0)   110    35    52    23   55% 2489

 C98 Ruy Lopez (Tchigorin          ( 0.0)    38    13    17     8   56% 2441

 C99 Ruy Lopez (Tchigorin          ( 0.0)    72    26    31    15   57% 2453

 D00 Queen's Pawn Game             ( 0.4)  1143   494   284   365   55% 2384

 D01 Queen's Pawn Game             ( 0.0)   103    36    38    29   53% 2396

 D02 Queen's Pawn Game             ( 1.4)  4375  1547  1767  1061   55% 2414

 D03 Queen's Pawn Game             ( 0.1)   166    58    57    51   52% 2377

 D04 Queen's Pawn Game             ( 0.1)   213    60    87    66   48% 2378

 D05 Queen's Pawn Game (Colle      ( 0.0)   104    40    38    26   56% 2292

 D06 Queen's Pawn Gambit (Unusual  ( 0.1)   308   146    95    67   62% 2342

 D07 Queen's Pawn Gambit           ( 0.1)   359   168    98    93   60% 2380

 D08 Queen's Pawn Gambit (Albin    ( 0.0)   118    60    24    34   61% 2275

 D09 Queen's Pawn Gambit (Albin    ( 0.0)   105    65    15    25   69% 2270

 D10 Queen's Pawn Gambit (Slav     ( 1.0)  2938  1043  1349   546   58% 2470

 D11 Queen's Pawn Gambit (Slav     ( 0.3)   840   335   337   168   59% 2412

 D12 Queen's Pawn Gambit (Slav     ( 0.1)   160    41    84    35   51% 2497

 D13 Queen's Pawn Gambit (Slav     ( 0.0)   105    23    74     8   57% 2456

 D14 Queen's Pawn Gambit (Slav     ( 0.0)    99    12    83     4   54% 2449

 D15 Queen's Pawn Gambit (Slav     ( 0.5)  1570   629   599   342   59% 2463

 D16 Queen's Pawn Gambit (Slav     ( 0.0)   146    58    51    37   57% 2430

 D17 Queen's Pawn Gambit (Slav     ( 0.1)   250   103   101    46   61% 2452

 D18 Queen's Pawn Gambit (Slav     ( 0.0)    40    18    15     7   63% 2413

 D19 Queen's Pawn Gambit (Slav     ( 0.1)   367   134   165    68   58% 2461

 D20 Queen's Gambit Accepted       ( 0.4)  1291   481   504   306   56% 2478

 D21 Queen's Gambit Accepted       ( 0.1)   237    82    90    65   53% 2434

 D22 Queen's Gambit Accepted       ( 0.1)   405   111   201    93   52% 2480

 D23 Queen's Gambit Accepted       ( 0.0)    84    31    28    25   53% 2411

 D24 Queen's Gambit Accepted       ( 0.1)   238    89    91    58   56% 2426

 D25 Queen's Gambit Accepted       ( 0.1)   316   113   146    57   58% 2423

 D26 Queen's Gambit Accepted       ( 0.1)   203    77    89    37   59% 2449

 D27 Queen's Gambit Accepted       ( 0.1)   245    70   139    36   56% 2467

 D28 Queen's Gambit Accepted       ( 0.0)    45    21    20     4   68% 2436

 D29 Queen's Gambit Accepted       ( 0.0)    72    26    24    22   52% 2447

 D30 Queen's Gambit (without Nc3)  ( 0.7)  2030   768   859   403   58% 2430

 D31 Queen's Gambit (Semi-Slav     ( 0.7)  2196   757   918   521   55% 2445

 D32 Queen's Gambit (Tarrasch      ( 0.1)   375   152   117   106   56% 2353

 D33 Queen's Gambit (Tarrasch      ( 0.0)    81    30    28    23   54% 2443

 D34 Queen's Gambit (Tarrasch      ( 0.1)   286   113   120    53   60% 2418

 D35 Queen's Gambit (Exchange      ( 0.2)   458   200   188    70   64% 2390

 D36 Queen's Gambit (Exchange      ( 0.0)    37    17    14     6   64% 2441

 D37 Queen's Gambit (5.Bf4)        ( 0.1)   342   118   145    79   55% 2440

 D38 Queen's Gambit (Ragozin       ( 0.0)    16     8     6     2   68% 2439

 D40 Queen's Gambit                ( 0.0)    16     5     9     2   59% 2402

 D41 Queen's Gambit                ( 0.0)    27    15     9     3   72% 2326

 D42 Queen's Gambit                ( 0.0)     9     7     1     1   83% 2365

 D43 Queen's Gambit (Anti-Meran    ( 0.0)    30    12    14     4   63% 2357

 D44 Queen's Gambit (Anti-Meran    ( 0.0)     2     1     1     0   75%    0

 D45 Queen's Gambit (Anti-Meran    ( 0.0)    29    18     5     6   70% 2309

 D46 Queen's Gambit (Semi-Slav     ( 0.0)     8     3     3     2   56%    0

 D47 Queen's Gambit (Meran         ( 0.0)     3     1     1     1   50% 2371

 D48 Queen's Gambit (Meran         ( 0.0)     3     1     2     0   66% 2357

 D49 Queen's Gambit (Meran         ( 0.0)     2     0     2     0   50% 2260

 D50 Queen's Gambit (Canal's       ( 0.0)   120    43    50    27   56% 2347

 D51 Queen's Gambit (Cambridge     ( 0.1)   295   130   102    63   61% 2371

 D52 Queen's Gambit (Cambridge     ( 0.0)    63    23    20    20   52% 2400

 D53 Queen's Gambit (Main Line -   ( 0.2)   535   197   235   103   58% 2402

 D54 Queen's Gambit (Main Line -   ( 0.0)    34    11    21     2   63% 2496

 D55 Queen's Gambit (Main Line -   ( 0.0)    65    17    30    18   49% 2384

 D56 Queen's Gambit (Lasker's      ( 0.0)    18     4    12     2   55% 2421

 D57 Queen's Gambit (Lasker's      ( 0.0)     7     3     4     0   71%    0

 D58 Queen's Gambit (Tartakover's  ( 0.0)    33     8    21     4   56% 2466

 D59 Queen's Gambit (Tartakover's  ( 0.0)    13     1     8     4   38% 2488

 D60 Queen's Gambit (Main Line)    ( 0.0)    26     9    13     4   59% 2308

 D61 Queen's Gambit (Main Line     ( 0.0)    22     9     7     6   56% 2407

 D62 Queen's Gambit (Main Line     ( 0.0)    10     3     6     1   60% 2290

 D63 Queen's Gambit (Main Line     ( 0.0)    27    10    12     5   59% 2438

 D64 Queen's Gambit (Fight for     ( 0.0)     5     4     0     1   80% 2437

 D65 Queen's Gambit (Fight for     ( 0.0)     1     1     0     0  100%    0

 D66 Queen's Gambit (Extended      ( 0.0)    10     4     5     1   65% 2320

 D67 Queen's Gambit (Main Line -   ( 0.0)    14     0    10     4   35% 2358

 D68 Queen's Gambit (Main Line -   ( 0.0)    10     3     6     1   60% 2293

 D69 Queen's Gambit (Main Line -   ( 0.0)     5     0     5     0   50% 2413

 E00 Catalan System                ( 1.2)  3567  1347  1442   778   57% 2441

 E01 Catalan System                ( 0.1)   169    71    65    33   61% 2455

 E02 Catalan System                ( 0.0)    72    20    39    13   54% 2461

 E03 Catalan System                ( 0.0)    23     6    15     2   58% 2487

 E04 Catalan System                ( 0.1)   183    70    80    33   60% 2490

 E05 Catalan System                ( 0.0)     9     3     5     1   61% 2426

 E06 Catalan System                ( 0.1)   265    96   127    42   60% 2483

 E07 Catalan System                ( 0.0)    16     6     6     4   56% 2478

 E08 Catalan System                ( 0.0)    22    14     7     1   79% 2458

 E09 Catalan System                ( 0.0)    10     4     5     1   65% 2401

 E10 Blumenfeld Counter Gambit     ( 1.3)  3948  1243  1845   860   54% 2485

 E11 Bogo Indian Defence           ( 0.6)  1940   618   918   404   55% 2470

 E12 Queen's Indian Defence        ( 0.7)  2136   697   941   498   54% 2501

 E13 Queen's Indian Defence        ( 0.0)    14     6     4     4   57% 2492

 E14 Queen's Indian Defence (4.e3) ( 0.1)   436   133   200   103   53% 2482

 E15 Queen's Indian Defence (Main  ( 0.6)  1678   495   873   310   55% 2520

 E16 Queen's Indian Defence (Main  ( 0.1)   242    81   114    47   57% 2451

 E17 Queen's Indian Defence (Main  ( 0.1)   375   130   176    69   58% 2484

 E18 Queen's Indian Defence (Main  ( 0.1)   304    53   207    44   51% 2500

 E19 Queen's Indian Defence (Main  ( 0.1)   234    40   167    27   52% 2537

 E20 Nimzo Indian Defence          ( 0.2)   739   254   275   210   52% 2440

 E21 Nimzo Indian Defence (4.Nf3)  ( 0.2)   677   226   281   170   54% 2454

 E22 Nimzo Indian Defence (4.Qb3)  ( 0.0)    97    29    35    33   47% 2470

 E23 Nimzo Indian Defence (4.Qb3)  ( 0.0)    49    18    21    10   58% 2466

 E24 Nimzo Indian Defence          ( 0.1)   182    63    51    68   48% 2434

 E25 Nimzo Indian Defence          ( 0.0)    68    26    27    15   58% 2446

 E26 Nimzo Indian Defence          ( 0.0)   149    52    44    53   49% 2405

 E27 Nimzo Indian Defence          ( 0.0)    46    19    13    14   55% 2353

 E28 Nimzo Indian Defence          ( 0.0)    12     2     4     6   33% 2197

 E30 Nimzo Indian Defence          ( 0.1)   387   133   133   121   51% 2433

 E31 Nimzo Indian Defence          ( 0.0)    79    27    30    22   53% 2473

 E32 Nimzo Indian Defence (4.Qc2)  ( 0.4)  1233   371   544   318   52% 2493

 E33 Nimzo Indian Defence (4.Qc2)  ( 0.1)   191    75    73    43   58% 2413

 E34 Nimzo Indian Defence (4.Qc2)  ( 0.1)   155    42    77    36   51% 2527

 E35 Nimzo Indian Defence (4.Qc2)  ( 0.1)   155    49    76    30   56% 2515

 E36 Nimzo Indian Defence (4.Qc2)  ( 0.0)    31    15    10     6   64% 2452

 E37 Nimzo Indian Defence (4.Qc2)  ( 0.0)    84    31    41    12   61% 2514

 E38 Nimzo Indian Defence (4.Qc2)  ( 0.1)   420   170   150   100   58% 2455

 E39 Nimzo Indian Defence (4.Qc2)  ( 0.1)   316   106   155    55   58% 2458

 E40 Nimzo Indian Defence          ( 0.1)   296   133   105    58   62% 2414

 E41 Nimzo Indian Defence          ( 0.4)  1200   350   524   326   51% 2475

 E42 Nimzo Indian Defence          ( 0.1)   431   151   185    95   56% 2460

 E43 Nimzo Indian Defence          ( 0.1)   321    89   124   108   47% 2451

 E44 Nimzo Indian Defence          ( 0.1)   239    91    96    52   58% 2457

 E45 Nimzo Indian Defence          ( 0.1)   206    74    76    56   54% 2465

 E46 Nimzo Indian Defence          ( 0.1)   358    98   154   106   48% 2475

 E47 Nimzo Indian Defence (Normal  ( 0.2)   500   178   214   108   57% 2482

 E48 Nimzo Indian Defence (Normal  ( 0.3)   826   252   396   178   54% 2490

 E49 Nimzo Indian Defence (Normal  ( 0.0)    94    34    34    26   54% 2506

 E50 Nimzo Indian Defence (Normal  ( 0.0)    74    24    34    16   55% 2578

 E51 Nimzo Indian Defence (Normal  ( 0.0)    23     6    13     4   54% 2543

 E52 Nimzo Indian Defence (Normal  ( 0.0)     4     1     2     1   50%    0

 E53 Nimzo Indian Defence (Normal  ( 0.0)     4     3     1     0   87% 2430

 E54 Nimzo Indian Defence (Normal  ( 0.0)     2     2     0     0  100% 2440

 E55 Nimzo Indian Defence (Normal  ( 0.0)     5     1     1     3   30% 2585

 E58 Nimzo Indian Defence (Normal  ( 0.0)     3     1     1     1   50% 2365

 E59 Nimzo Indian Defence (Normal  ( 0.0)     6     1     2     3   33% 2135

 E60 King's Indian Defence         ( 1.0)  3020  1065  1253   702   56% 2451

 E61 King's Indian Defence         ( 1.9)  5875  2018  2378  1479   54% 2442

 E62 King's Indian Defence         ( 0.0)    12     9     1     2   79% 2235

 E63 King's Indian Defence         ( 0.0)     2     0     2     0   50%    0

 E64 King's Indian Defence         ( 0.0)     2     1     1     0   75% 2215

 E66 King's Indian Defence         ( 0.0)     1     0     0     1    0%    0

 E67 King's Indian Defence         ( 0.0)     5     1     2     2   40% 2257

 E68 King's Indian Defence         ( 0.0)     4     2     1     1   62% 2360

 E69 King's Indian Defence         ( 0.0)     4     1     3     0   62% 2426

 E70 King's Indian Defence (White  ( 0.4)  1357   551   391   415   55% 2405

 E71 King's Indian Defence (5.h3)  ( 0.1)   313   155    94    64   64% 2424

 E72 King's Indian Defence         ( 0.0)    77    32    25    20   57% 2377

 E73 King's Indian Defence         ( 0.6)  1952   771   669   512   56% 2425

 E74 King's Indian Defence         ( 0.1)   287   129    93    65   61% 2401

 E75 King's Indian Defence         ( 0.0)    81    31    33    17   58% 2409

 E76 King's Indian Defence (Four   ( 0.2)   598   252   166   180   56% 2394

 E77 King's Indian Defence (Four   ( 0.0)    17     9     4     4   64% 2270

 E78 King's Indian Defence (Four   ( 0.0)     1     0     0     1    0%    0

 E79 King's Indian Defence (Four   ( 0.0)     4     1     0     3   25% 2210

 E80 King's Indian Defence         ( 0.1)   444   189   136   119   57% 2419

 E81 King's Indian Defence         ( 0.3)  1024   386   371   267   55% 2449

 E82 King's Indian Defence         ( 0.0)   125    47    44    34   55% 2411

 E83 King's Indian Defence         ( 0.1)   249    83    88    78   51% 2400

 E84 King's Indian Defence         ( 0.0)   149    59    51    39   56% 2398

 E85 King's Indian Defence         ( 0.0)    86    42    24    20   62% 2355

 E86 King's Indian Defence         ( 0.0)   130    48    53    29   57% 2469

 E87 King's Indian Defence         ( 0.1)   159    72    44    43   59% 2425

 E88 King's Indian Defence         ( 0.1)   168    76    49    43   59% 2449

 E89 King's Indian Defence         ( 0.0)    11     5     1     5   50% 2440

 E90 King's Indian Defence         ( 0.1)   276   123    73    80   57% 2415

 E91 King's Indian Defence         ( 0.1)   389   152   125   112   55% 2404

 E92 King's Indian Defence         ( 0.2)   581   197   259   125   56% 2432

 E93 King's Indian Defence         ( 0.0)    47    20    15    12   58% 2376

 E94 King's Indian Defence         ( 0.1)   267   119    90    58   61% 2438

 E95 King's Indian Defence         ( 0.0)    42    13    20     9   54% 2419

 E96 King's Indian Defence         ( 0.0)     6     2     3     1   58% 2375

 E97 King's Indian Defence         ( 0.2)   580   217   187   176   53% 2456

 E98 King's Indian Defence         ( 0.1)   269   111    81    77   56% 2422