My Databases
Log in
Register
Games
Openings
Puzzles
Tournaments
Players
News
Light / Fun
Opening Repertoire Filter
My Databases
Games
Top games
Annotated games
Ten Classics
Top 250 Games
Most viewed games
ChessSpider!
Explorer
Novelties
Openings By Name/ECO
Latest Opening Trends
Chess Delight
Endgames
Puzzles
Checkmates - Advanced
Loyd on Saturday
Top tournaments in...
All-time top tournaments
Tournament Explorer
32 Classics
Portrait of a World Champion
Top players in...
Top players of all time
Player Profile
Player Explorer
Elo Calculator
News
Latest games
Chess Fun Quiz
Twenty-four miniatures
Player Profile
Player:
(Eg:
Carlsen,Magnus
)
Mertins, Klaus
FIDE
:
FIDE Card
Years
:
1950-1999
Number of games
:
144
Number of wins
:
41
Number of draws
:
67
Number of losses
:
36
White score
:
41½/78 (53.21% - Average Elo: 2264.74)
Black score
:
33/66 (50% - Average Elo: 2208.58)
Rating progression
Games
White wins
White draws
White losses
Black wins
Black draws
Black losses
Top wins
Mertins, Klaus (2230) - Rost van Tonningen, Otto (2305), GER-chT Seniors 05th, Freudenstadt (A49) - 1996
Mertins, Klaus (2225) - Schmitzer, Horst (2305), GER-chT Seniors 01st, Hardegsen (E31) - 1992
Mertins, Klaus - Hess, Ralf (2285), Hessen-ch M, Grosskrotzenburg (C68) - 1978
Salac, Jiri (2260) - Mertins, Klaus (2230), Oberliga Bayern 9394, Bayern (D02) - 1994
Oehlmann, Dieter (2077) - Mertins, Klaus (2230), GER-chT Seniors 04th, Bad Schandau (C00) - 1995
Heil, Siegfried - Mertins, Klaus, GER U20-ch, Northeim (C06) - 1950
Mertins, Klaus - ? (73)
Kasueschke, Gregor (½/3)
Blachmann, Horst (1½/2)
Fels, Karl Heinz (1½/2)
Starck, Bodo (½/2)
Andersen, M (0/1)
Bachl, Anton (0/1)
Bares (½/1)
Bauer, Manfred (0/1)
Braun, Gottfried (0/1)
Chernikov, Oleg L (0/1)
Da Silva, Luiz T (0/1)
Didzuhn, Werner (½/1)
Ditt, Egon H (1/1)
Dobosz, Henryk (0/1)
Doerflinger, Josef (1/1)
Etzold, Ernst Walter (½/1)
Felser, Franz (0/1)
Fluegel, Wilhelm (½/1)
Franck, Rudolf (0/1)
Galje, Hans (1/1)
Glattacker, Georg (0/1)
Glienke, Manfred (½/1)
Granitzki, Werner (1/1)
Hellwege, Werner (1/1)
Helmsen, Franz (½/1)
Heppner, Ernst (½/1)
Heslenfeld, Peter Hermann (½/1)
Hess, Ralf (1/1)
Hoffmann, Hans (1/1)
Karlik, Jiri (½/1)
Kerpf, Bernhard (½/1)
Kolnsberg, Klaus (1/1)
Kripp, Wolfgang (½/1)
Kunz, Walter (0/1)
Lenz, Juergen (0/1)
Leonhard (½/1)
Link, Ulrich (1/1)
Lobron, Eric (0/1)
Lundquist, Rolf (½/1)
Marschall, Josef (1/1)
Matthes, Manfred (½/1)
Mayer, Franz (1/1)
Moeckel, Edgar (1/1)
Mubedi, Mir Djahn (0/1)
Muehlherr (1/1)
Mueller, Horst1 (1/1)
Nadenau, Oskar (½/1)
Nautsch, Werner (½/1)
Nimtz, Manfred (1/1)
Olsson, Anton (1/1)
Ousatchi, Mark (½/1)
Padevsky, Nikola Bochev (0/1)
Patzer, Joachim (1/1)
Pitschka, Claus (½/1)
Poehl, Hermann (1/1)
Psakhis, Lev (0/1)
Romahn, Herbert (½/1)
Rost van Tonningen, Otto (1/1)
Schlag, Franz (½/1)
Schmidt, Lief Carl (0/1)
Schmitzer, Horst (1/1)
Sielaff, Rudolf (½/1)
Spaeth, Wilhelm (1/1)
Theil, Reimer (1/1)
Trifunovic, Dusan (1/1)
Unruh, Heinrich1 (0/1)
Von Hoesslin, Holger (½/1)
Von Janta, Lothar (1/1)
Wach, Markus (½/1)
Wallinger, Manfred (0/1)
Welin, Thomas (0/1)
Wolffram, Gert (1/1)
Wollsdorf, Friedrich (1/1)
? - Mertins, Klaus (61)
Drechsler, Hans (1/2)
Hoffmann, Hans (½/2)
Krogius, Nikolai V (½/2)
Ladstetter, Josef (1/2)
Sutterer, Robert (½/2)
Albrecht, Hans (½/1)
Andersen, M (½/1)
Baumgartner, Walter (½/1)
Beisel, Ernst (1/1)
Blank, Alexander (½/1)
Braune, Paul (½/1)
Degenhardt, Horst (½/1)
Enigl, Karl (½/1)
Escher, Franz (½/1)
Fuchs, Gerhard (½/1)
Haakert, Juergen (½/1)
Hausner, Alfreda (½/1)
Heemsoth, Hermann (½/1)
Heil, Siegfried (1/1)
Heissenbuettel, Hans Erich (½/1)
Herzog, Klaus (0/1)
Hevendehl, Hanns Adolf (1/1)
Hoenig, Heinrich (1/1)
Huemmer, Bernd (0/1)
Jaszczuk, Juliusz (½/1)
Kannenberg, Karl Heinz (½/1)
Kauder, Hartmut (½/1)
Kaulfuss, Helmut (1/1)
Kierzek, Matthias (0/1)
Klaeger, Edgar (0/1)
Knebel, Willi (1/1)
Knol, Wolter (1/1)
Kuzaj, Helmut (½/1)
Lainburg, Viktor (0/1)
Lauterbach, Werner (0/1)
Matthes, Manfred (½/1)
Muth, Rudi (½/1)
Nietsch, Horst (½/1)
Oehlmann, Dieter (1/1)
Olsson, Anton (0/1)
Ottmann, Josef (½/1)
Oud, Niek (0/1)
Pangritz, Peter (1/1)
Philipp (½/1)
Salac, Jiri (1/1)
Sarapu, Ortvin (½/1)
Schichtel, Heinz (½/1)
Schlag, Franz (½/1)
Schlosser, Andree (½/1)
Schmidt, Niels Peter (1/1)
Schmidt, Wolfgang1 (1/1)
Schmitzer, Horst (½/1)
Schoenau, Werner (½/1)
Schreyer, Alois (½/1)
Schwarzburger, Lothar (0/1)
Stimpel, Franz (½/1)
Stumpf, Walter (½/1)
Tochtermann, Georg (½/1)
Weigel, Herbert (½/1)
Zeh, Helmut (1/1)
Zunker, Reinhard (0/1)
Openings played as White (53)
D13 Queen's Gambit Declined Slav, Exchange Variation (1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.cxd5 cxd5)
Average Elo:
2311.25
Result:
5½/8 = 68.75%
Uncommon Opening (1.g4, a3, h3, etc.)
Average Elo:
0
Result:
4/5 = 80%
A07 King's Indian Attack (1.Nf3 d5 2.g3)
Average Elo:
0
Result:
1/4 = 25%
A05 Reti Opening (1.Nf3 Nf6)
Average Elo:
0
Result:
1½/3 = 50%
E31 Nimzo-Indian, Leningrad, Main line (1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Bg5 h6 5.Bh4 c5 6.d5 d6)
Average Elo:
2272.5
Result:
2½/3 = 83.33%
B06 Robatsch (1.e4 g6)
Average Elo:
2295
Result:
2/3 = 66.67%
B38 Sicilian, Accelerated Fianchetto, Maroczy Bind, 6.Be3 (1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Bg7 6.Be3)
Average Elo:
0
Result:
½/2 = 25%
E67 King's Indian, Fianchetto (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nbd7)
Average Elo:
0
Result:
1½/2 = 75%
A49 King's Indian, Fianchetto without c4 (1.d4 Nf6 2.Nf3 g6 3.g3)
Average Elo:
2305
Result:
1½/2 = 75%
A42 Modern Defense, Averbakh System (1.d4 d6 2.c4 g6 3.Nc3 Bg7 4.e4)
Average Elo:
1891
Result:
1½/2 = 75%
E91 King's Indian (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2)
Average Elo:
0
Result:
1½/2 = 75%
C81 Ruy Lopez, Open, Howell Attack (1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6)
Average Elo:
0
Result:
0/1 = 0%
D94 Grunfeld (1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3)
Average Elo:
0
Result:
0/1 = 0%
B01 Scandinavian (1.e4 d5)
Average Elo:
0
Result:
1/1 = 100%
A04 Reti Opening (1.Nf3)
Average Elo:
2330
Result:
0/1 = 0%
B08 Pirc, Classical (1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3)
Average Elo:
2405
Result:
0/1 = 0%
A62 Benoni, Fianchetto Variation (1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.g3 Bg7 8.Bg2 O-O)
Average Elo:
0
Result:
0/1 = 0%
E32 Nimzo-Indian, Classical (1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2)
Average Elo:
0
Result:
½/1 = 50%
E05 Catalan, Open, Classical line (1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 Be7)
Average Elo:
0
Result:
0/1 = 0%
A08 King's Indian Attack (1.Nf3 d5 2.g3 c5 3.Bg2)
Average Elo:
0
Result:
0/1 = 0%
D18 Queen's Gambit Declined Slav, Dutch (1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.e3)
Average Elo:
0
Result:
1/1 = 100%
E55 Nimzo-Indian, 4.e3, Gligoric System, Bronstein Variation (1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 c5 7.O-O dxc4 8.Bxc4 Nbd7)
Average Elo:
0
Result:
0/1 = 0%
A79 Benoni, Classical, 11.f3 (1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O Re8 10.Nd2 Na6 11.f3)
Average Elo:
0
Result:
1/1 = 100%
E18 Queen's Indian, Old Main line, 7.Nc3 (1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Nc3)
Average Elo:
0
Result:
½/1 = 50%
C30 King's Gambit Declined (1.e4 e5 2.f4)
Average Elo:
0
Result:
½/1 = 50%
C68 Ruy Lopez, Exchange (1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6)
Average Elo:
2285
Result:
1/1 = 100%
D45 Queen's Gambit Declined Semi-Slav (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3)
Average Elo:
0
Result:
0/1 = 0%
E10 Queen's Pawn Game (1.d4 Nf6 2.c4 e6 3.Nf3)
Average Elo:
0
Result:
½/1 = 50%
D32 Queen's Gambit Declined, Tarrasch (1.d4 d5 2.c4 e6 3.Nc3 c5)
Average Elo:
2145
Result:
½/1 = 50%
D50 Queen's Gambit Declined (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5)
Average Elo:
2235
Result:
1/1 = 100%
B33 Sicilian (1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4)
Average Elo:
0
Result:
0/1 = 0%
A35 English, Symmetrical (1.c4 c5 2.Nc3 Nc6)
Average Elo:
2280
Result:
½/1 = 50%
D02 Queen's Pawn Game (1.d4 d5 2.Nf3)
Average Elo:
0
Result:
½/1 = 50%
B44 Sicilian (1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6)
Average Elo:
0
Result:
0/1 = 0%
B86 Sicilian, Fischer-Sozin Attack (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bc4)
Average Elo:
0
Result:
1/1 = 100%
A01 Nimzovich-Larsen Attack (1.b3)
Average Elo:
0
Result:
1/1 = 100%
C67 Ruy Lopez (1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Nxe4)
Average Elo:
0
Result:
1/1 = 100%
D36 Queen's Gambit Declined, Exchange, Positional line, 6.Qc2 (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5 exd5 5.Bg5 c6 6.Qc2)
Average Elo:
2265
Result:
½/1 = 50%
E60 King's Indian Defense (1.d4 Nf6 2.c4 g6)
Average Elo:
2445
Result:
0/1 = 0%
E94 King's Indian, Orthodox (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O)
Average Elo:
1783
Result:
1/1 = 100%
D60 Queen's Gambit Declined, Orthodox Defense (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7)
Average Elo:
0
Result:
½/1 = 50%
D40 Queen's Gambit Declined, Semi-Tarrasch (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5)
Average Elo:
2560
Result:
0/1 = 0%
A86 Dutch (1.d4 f5 2.c4 Nf6 3.g3)
Average Elo:
0
Result:
0/1 = 0%
D85 Grunfeld (1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5)
Average Elo:
2025
Result:
½/1 = 50%
B15 Caro-Kann (1.e4 c6 2.d4 d5 3.Nc3)
Average Elo:
2290
Result:
0/1 = 0%
A53 Old Indian (1.d4 Nf6 2.c4 d6)
Average Elo:
0
Result:
1/1 = 100%
D26 Queen's Gambit Accepted (1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6)
Average Elo:
0
Result:
1/1 = 100%
B55 Sicilian, Prins Variation, Venice Attack (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.f3 e5 6.Bb5+)
Average Elo:
0
Result:
0/1 = 0%
A92 Dutch (1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O)
Average Elo:
2345
Result:
½/1 = 50%
A06 Reti Opening (1.Nf3 d5)
Average Elo:
0
Result:
0/1 = 0%
E12 Queen's Indian (1.d4 Nf6 2.c4 e6 3.Nf3 b6)
Average Elo:
2415
Result:
0/1 = 0%
A38 English, Symmetrical (1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6)
Average Elo:
0
Result:
1/1 = 100%
A85 Dutch, with c4 & Nc3 (1.d4 f5 2.c4 Nf6 3.Nc3)
Average Elo:
0
Result:
1/1 = 100%
Openings played as Black (35)
Uncommon Opening (1.g4, a3, h3, etc.)
Average Elo:
0
Result:
2½/6 = 41.67%
D02 Queen's Pawn Game (1.d4 d5 2.Nf3)
Average Elo:
2232.5
Result:
3/5 = 60%
A34 English, Symmetrical (1.c4 c5 2.Nc3)
Average Elo:
2280
Result:
1½/4 = 37.5%
D52 Queen's Gambit Declined (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.e3 c6 6.Nf3)
Average Elo:
2255
Result:
1½/4 = 37.5%
A13 English (1.c4 e6)
Average Elo:
2230
Result:
1/4 = 25%
C12 French, McCutcheon (1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4)
Average Elo:
2163
Result:
2½/4 = 62.5%
C01 French, Exchange (1.e4 e6 2.d4 d5 3.exd5 exd5 4.Nc3 Nf6 5.Bg5)
Average Elo:
2350
Result:
2/4 = 50%
C06 French, Tarrasch (1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Bd3 c5 6.c3 Nc6 7.Ne2 cxd4 8.cxd4)
Average Elo:
0
Result:
1½/2 = 75%
A03 Bird's Opening (1.f4 d5)
Average Elo:
2130
Result:
1/2 = 50%
C02 French, Advance (1.e4 e6 2.d4 d5 3.e5)
Average Elo:
2195
Result:
½/2 = 25%
C11 French (1.e4 e6 2.d4 d5 3.Nc3 Nf6)
Average Elo:
2005
Result:
1/2 = 50%
E01 Catalan, Closed (1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2)
Average Elo:
2230
Result:
½/2 = 25%
C00 French Defense (1.e4 e6)
Average Elo:
2077
Result:
1½/2 = 75%
D30 Queen's Gambit Declined (1.d4 d5 2.c4 e6)
Average Elo:
0
Result:
1/2 = 50%
D31 Queen's Gambit Declined (1.d4 d5 2.c4 e6 3.Nc3)
Average Elo:
0
Result:
1/1 = 100%
D84 Grunfeld, Grunfeld Gambit Accepted (1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 Bg7 5.e3 O-O 6.cxd5 Nxd5 7.Nxd5 Qxd5 8.Bxc7)
Average Elo:
0
Result:
0/1 = 0%
C18 French, Winawer (1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3)
Average Elo:
0
Result:
0/1 = 0%
B25 Sicilian, Closed (1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6)
Average Elo:
0
Result:
1/1 = 100%
B22 Sicilian, Alapin (1.e4 c5 2.c3)
Average Elo:
0
Result:
0/1 = 0%
C17 French, Winawer, Advance (1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5)
Average Elo:
0
Result:
1/1 = 100%
D04 Queen's Pawn Game (1.d4 d5 2.Nf3 Nf6 3.e3)
Average Elo:
2010
Result:
½/1 = 50%
D48 Queen's Gambit Declined Semi-Slav, Meran (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Bd3 a6)
Average Elo:
0
Result:
1/1 = 100%
C10 French (1.e4 e6 2.d4 d5 3.Nc3)
Average Elo:
0
Result:
½/1 = 50%
D12 Queen's Gambit Declined Slav (1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 Bf5)
Average Elo:
0
Result:
1/1 = 100%
D00 Queen's Pawn Game (1.d4 d5)
Average Elo:
0
Result:
1/1 = 100%
D13 Queen's Gambit Declined Slav, Exchange Variation (1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.cxd5 cxd5)
Average Elo:
0
Result:
½/1 = 50%
A11 English, Caro-Kann Defensive System (1.c4 c6)
Average Elo:
2500
Result:
½/1 = 50%
A06 Reti Opening (1.Nf3 d5)
Average Elo:
2305
Result:
½/1 = 50%
E69 King's Indian, Fianchetto, Classical Main line (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nbd7 7.O-O e5 8.e4 c6 9.h3)
Average Elo:
2465
Result:
0/1 = 0%
D36 Queen's Gambit Declined, Exchange, Positional line, 6.Qc2 (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5 exd5 5.Bg5 c6 6.Qc2)
Average Elo:
0
Result:
½/1 = 50%
D61 Queen's Gambit Declined, Orthodox, Rubinstein Attack (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Qc2)
Average Elo:
0
Result:
½/1 = 50%
D33 Queen's Gambit Declined, Tarrasch (1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3)
Average Elo:
0
Result:
½/1 = 50%
C15 French, Winawer (1.e4 e6 2.d4 d5 3.Nc3 Bb4)
Average Elo:
0
Result:
1/1 = 100%
C07 French, Tarrasch (1.e4 e6 2.d4 d5 3.Nd2 c5)
Average Elo:
0
Result:
½/1 = 50%
D03 Torre Attack (Tartakower Variation) (1.d4 d5 2.Nf3 Nf6 3.Bg5)
Average Elo:
1910
Result:
½/1 = 50%