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Player Profile

Player:

(Eg: Carlsen,Magnus)

Duijker, Bert



FIDE:	FIDE Card
Years:	2002-2021
Number of games:	177
Number of wins:	53
Number of draws:	73
Number of losses:	51
White score:	45/87 (51.72% - Average Elo: 1907.84)
Black score:	44½/90 (49.44% - Average Elo: 1884.46)

Rating progression

Games
White wins
White draws
White losses
Black wins
Black draws
Black losses

Top wins

Duijker, Bert - Berti, Rudolf (2033), Schwarzach op-B, Schwarzach (D40) - 2002

Duijker, Bert (1907) - Kluger, Hans Peter (2015), Schleswig Holstein-ch Seniors op 9th, Buesum (D11) - 2015

Duijker, Bert (1902) - Paul, Reinhart (1988), Berlin-ch Seniors op 35th, Berlin (B38) - 2019

Bomert, Egon (2089) - Duijker, Bert (1889), Hessen-ch Seniors op 12th, Bad Sooden-Allendorf (A42) - 2016

Heinzel, Peter (2050) - Duijker, Bert (1918), Schleswig Holstein-ch Seniors op 10th, Buesum (A00) - 2016

Assmann, Siegfried (1999) - Duijker, Bert (1893), Hessen-ch Seniors op 10th, Bad Sooden-Allendorf (A45) - 2014

Duijker, Bert - ? (86)

Moeller, Peter1 (½/2)

Abel, Hans Peter (0/1)

Ackermann, Hans Werner (0/1)

Aepfler, Gerhard (1/1)

Alvarez, Luis (0/1)

Armbruester, Juergen (½/1)

Barlage, Tonio (0/1)

Berti, Rudolf (1/1)

Blosze, Winfried (½/1)

Bocksberger, Andreas (1/1)

Bondick, Karl Heinz (½/1)

Brueckner, Ewald (1/1)

Christoffersen, Jan (0/1)

Eberhardt, Michael (0/1)

Engel, Peter (½/1)

Fasser, Walter (0/1)

Fecht, Hans Peter (0/1)

Geyler, Stefan (½/1)

Hagen, Peter (½/1)

Hauger, Albrecht (1/1)

Hehemann, Peter (1/1)

Hess, Christian (0/1)

Hetzer, Margarete (1/1)

Hilbig, Klaus (1/1)

Hoffmann, Erich (1/1)

Jaeger, Hans Ulrich (1/1)

Kahn, Peter (½/1)

Kierzek, Matthias (0/1)

Klaus, Rainer (½/1)

Kluger, Hans Peter (1/1)

Kotlar, Alfred (½/1)

Krebs, Dietmar (½/1)

Krien, Hartmut (0/1)

Krilova, Marina (0/1)

Krueger, Erich (½/1)

Kuehner, Peter (½/1)

Lares, Harald (0/1)

Ljubarskij, Jurij (0/1)

Loeffler, Alois (½/1)

Meissner, Hans Juergen (0/1)

Niegsch, Nicolas (0/1)

Nyysti, Sampsa (0/1)

Olaizola, Miguel (0/1)

Paul, Reinhart (1/1)

Pedersen, Thomas (½/1)

Philippin, Otto (1/1)

Pinggera, Stefan (1/1)

Pottgiesser, Ulrich (½/1)

Prill, Gerhard (½/1)

Ranker, Klemens (½/1)

Reimann, Guenther (½/1)

Reinke, Kurt (1/1)

Richter, Stefan (1/1)

Sand, Rolf (½/1)

Saugspier, Mario (½/1)

Schencke, Guenther (1/1)

Schilly, Hans Joachim (1/1)

Schmieder, Siegfried (½/1)

Schowalter, Gerd (½/1)

Schwab, Wolfgang (1/1)

Schwertel, Johann (½/1)

Siegl, Detlef (0/1)

Slager, Anton (½/1)

Spiesberger, Gerhard (0/1)

Spitzner, Frank (½/1)

Stanke, Achim (0/1)

Supplieth, Peter (½/1)

Titz, Waldemar (1/1)

Trefzer, Erhard (½/1)

Van Houten, Henk (1/1)

Viererbe, Hartmut (1/1)

Voeller, Lothar (1/1)

Vogel, Jaap (0/1)

Walther, Reinhard (½/1)

Weiss, Daniel (½/1)

Wieprecht, Gerhard (0/1)

Wilke, Werner (0/1)

Wolff, Marie Antoinette (1/1)

Wraga, Hermann (1/1)

Zunker, Reinhard (0/1)

? - Duijker, Bert (87)

Lehmann, Erwin (0/2)

Reese, Joachim (1/2)

Rychlik, Kurt (½/2)

Abel, Hans Peter (½/1)

Anders, Maik (½/1)

Arif, Bayu (½/1)

Assmann, Siegfried (1/1)

Aufmwasser, Guenter (½/1)

Autengruber, Daniel (½/1)

Barlo, Werner (1/1)

Berenstein, Alexander (0/1)

Bluhm, Sonja Maria (0/1)

Boeven, Manfred (½/1)

Bomert, Egon (1/1)

Bryan Vissi, Mark (½/1)

Bulano, Alexander (1/1)

Dathe, Frederick (½/1)

Diehl, Klaus (0/1)

Dietzel, Uwe (½/1)

Flockerzi, Armin (1/1)

Forsmann, Henning (0/1)

Freerksen, Uwe (1/1)

Gensch, Manfred (½/1)

Gerhardt, Peter Michael (½/1)

Grasmik, Waldemar (1/1)

Haase, Reinhard (½/1)

Hassenrueck, Helmut (0/1)

Hauck, Bernd (1/1)

Hauke, Hans (½/1)

Heinzel, Peter (1/1)

Hennrich, Reinhard (½/1)

Hespers, Rolf (1/1)

Hilbig, Klaus (0/1)

Hoelzel, Gerhard (1/1)

Holdschik, Juergen (½/1)

Hopp, Barbara (1/1)

Hottes, Dieter (0/1)

Huettemann, Karl Heinz (0/1)

Jahncke, Giso (½/1)

Jantzen, Hans Joerg (0/1)

Kalepky, Helmut (½/1)

Kempe, Rainer (0/1)

Kopylov, Michael (0/1)

Kraupfogel, Manfred (0/1)

Kreie, Guenther (1/1)

Kujawa, Werner (½/1)

Kurpiela, Franz (½/1)

Lang, Ferdinand (0/1)

Lieder, Guenter (1/1)

Lomer, Edmund (½/1)

Ludwig, Richard (1/1)

Matzat, Andre (½/1)

Mayeres, Hans Christian (½/1)

McShane, Rod (½/1)

Meissner, Ulrich (½/1)

Mertens, Klaus (0/1)

Nautsch, Werner (0/1)

Nobis, Anna (0/1)

Nowack, Achim (½/1)

Otto, Klaus (½/1)

Paulsen, Eckart (½/1)

Riegler, Markus (1/1)

Robitsch, Hermann (0/1)

Rollwitz, Juergen (½/1)

Romanow, Werner (0/1)

Schamschurko, Andre (1/1)

Schmid, Hartmut (0/1)

Schmidt, Heinrich (½/1)

Schmidt, Matthias (½/1)

Schnaitmann, Herbert (½/1)

Schowalter, Gerd (½/1)

Schroeder, Klaus (½/1)

Schuetze, Manfred (½/1)

Schulz, Eugen (½/1)

Schulz, Gerhard1 (½/1)

Schulz, Michael (0/1)

Sebastian, Martin (½/1)

Streiter, Manfred (0/1)

Teutsch, Michael1 (½/1)

Unger, Lothar (1/1)

Van Houten, Henk (1/1)

Walkner, Karl (½/1)

Westphal Stubbe, Siegbert (1/1)

Weyrauch, Erich (½/1)

Will, Roland (1/1)

Wulff, Jens Peter (1/1)

Zajontz, Rainer (1/1)

Openings played as White (48)

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: 1900
Result: 5/7 = 71.43%

E01 Catalan, Closed (1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2)
Average Elo: 1988.2
Result: 2½/6 = 41.67%

D11 Queen's Gambit Declined Slav (1.d4 d5 2.c4 c6 3.Nf3)
Average Elo: 2010.25
Result: 2½/4 = 62.5%

D02 Queen's Pawn Game (1.d4 d5 2.Nf3)
Average Elo: 1986.25
Result: 2/4 = 50%

D07 Queen's Gambit Declined, Chigorin Defense (1.d4 d5 2.c4 Nc6)
Average Elo: 2000.67
Result: 2/4 = 50%

E62 King's Indian, Fianchetto (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3)
Average Elo: 1814.75
Result: 2½/4 = 62.5%

A87 Dutch, Leningrad, Main Variation (1.d4 f5 2.c4 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3)
Average Elo: 1912.5
Result: 1½/3 = 50%

D74 Neo-Grunfeld, 6.cd Nxd5, 7.O-O (1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.cxd5 Nxd5 7.O-O)
Average Elo: 2035.67
Result: ½/3 = 16.67%

E68 King's Indian, Fianchetto, Classical Variation, 8.e4 (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)
Average Elo: 2002.67
Result: 1½/3 = 50%

D23 Queen's Gambit Accepted (1.d4 d5 2.c4 dxc4 3.Nf3 Nf6)
Average Elo: 2113
Result: ½/3 = 16.67%

E16 Queen's Indian (1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Bb4+)
Average Elo: 1730
Result: 2/2 = 100%

A30 English, Symmetrical (1.c4 c5)
Average Elo: 1899.5
Result: 1½/2 = 75%

A40 Queen's Pawn Game (1.d4)
Average Elo: 1870
Result: 1/2 = 50%

D06 Queen's Gambit Declined (1.d4 d5 2.c4)
Average Elo: 1764
Result: 0/2 = 0%

A42 Modern Defense, Averbakh System (1.d4 d6 2.c4 g6 3.Nc3 Bg7 4.e4)
Average Elo: 2072
Result: ½/2 = 25%

A53 Old Indian (1.d4 Nf6 2.c4 d6)
Average Elo: 1778.5
Result: 2/2 = 100%

A94 Dutch, Stonewall with Ba3 (1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d5 7.b3 c6 8.Ba3)
Average Elo: 1869.5
Result: ½/2 = 25%

A33 English, Symmetrical (1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Nc6)
Average Elo: 1863.5
Result: 1½/2 = 75%

D40 Queen's Gambit Declined, Semi-Tarrasch (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5)
Average Elo: 2033
Result: 1/1 = 100%

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: 0
Result: ½/1 = 50%

A31 English, Symmetrical, Benoni Formation (1.c4 c5 2.Nf3 Nf6 3.d4)
Average Elo: 2399
Result: 0/1 = 0%

A13 English (1.c4 e6)
Average Elo: 0
Result: 0/1 = 0%

D76 Neo-Grunfeld, 6.cd Nxd5, 7.O-O Nb6 (1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.cxd5 Nxd5 7.O-O Nb6)
Average Elo: 2061
Result: ½/1 = 50%

A84 Dutch (1.d4 f5 2.c4)
Average Elo: 2121
Result: 0/1 = 0%

A38 English, Symmetrical (1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6)
Average Elo: 1732
Result: 1/1 = 100%

A10 English (1.c4)
Average Elo: 1733
Result: ½/1 = 50%

E09 Catalan, Closed (1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 7.Qc2 c6 8.Nbd2)
Average Elo: 1733
Result: 1/1 = 100%

A55 Old Indian, Main line (1.d4 Nf6 2.c4 d6 3.Nc3 e5 4.Nf3 Nbd7 5.e4)
Average Elo: 1848
Result: 1/1 = 100%

E05 Catalan, Open, Classical line (1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 Be7)
Average Elo: 1773
Result: 0/1 = 0%

D24 Queen's Gambit Accepted (1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.Nc3)
Average Elo: 1804
Result: 1/1 = 100%

E12 Queen's Indian (1.d4 Nf6 2.c4 e6 3.Nf3 b6)
Average Elo: 1711
Result: ½/1 = 50%

E07 Catalan, Closed (1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7)
Average Elo: 1753
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: 2260
Result: 0/1 = 0%

D73 Neo-Grunfeld, 5.Nf3 (1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3)
Average Elo: 1956
Result: 0/1 = 0%

A14 English (1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 Be7 5.O-O)
Average Elo: 1711
Result: ½/1 = 50%

D90 Grunfeld (1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3)
Average Elo: 1945
Result: ½/1 = 50%

E10 Queen's Pawn Game (1.d4 Nf6 2.c4 e6 3.Nf3)
Average Elo: 1576
Result: ½/1 = 50%

D78 Neo-Grunfeld, 6.O-O c6 (1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.O-O c6)
Average Elo: 1735
Result: 0/1 = 0%

D70 Neo-Grunfeld Defense (1.d4 Nf6 2.c4 g6 3.f3 d5)
Average Elo: 2052
Result: ½/1 = 50%

A92 Dutch (1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O)
Average Elo: 1758
Result: 1/1 = 100%

A39 English, Symmetrical, Main line with d4 (1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d4)
Average Elo: 1872
Result: ½/1 = 50%

B32 Sicilian (1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e5)
Average Elo: 2040
Result: ½/1 = 50%

E06 Catalan, Closed, 5.Nf3 (1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3)
Average Elo: 1418
Result: 1/1 = 100%

A89 Dutch, Leningrad, Main Variation with Nc6 (1.d4 f5 2.c4 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3 O-O 6.O-O d6 7.Nc3 Nc6)
Average Elo: 2079
Result: 0/1 = 0%

A88 Dutch, Leningrad, Main Variation with c6 (1.d4 f5 2.c4 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3 O-O 6.O-O d6 7.Nc3 c6)
Average Elo: 1675
Result: 1/1 = 100%

E65 King's Indian, Fianchetto, Yugoslav, 7.O-O (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 c5 7.O-O)
Average Elo: 1375
Result: 1/1 = 100%

B28 Sicilian, O'Kelly Variation (1.e4 c5 2.Nf3 a6)
Average Elo: 1786
Result: 0/1 = 0%

D12 Queen's Gambit Declined Slav (1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 Bf5)
Average Elo: 1865
Result: ½/1 = 50%

Openings played as Black (31)

B06 Robatsch (1.e4 g6)
Average Elo: 1830.48
Result: 10½/23 = 45.65%

A42 Modern Defense, Averbakh System (1.d4 d6 2.c4 g6 3.Nc3 Bg7 4.e4)
Average Elo: 1906.45
Result: 5½/11 = 50%

A48 King's Indian (1.d4 Nf6 2.Nf3 g6)
Average Elo: 1785.6
Result: 3½/5 = 70%

A40 Queen's Pawn Game (1.d4)
Average Elo: 1725
Result: 2/4 = 50%

A88 Dutch, Leningrad, Main Variation with c6 (1.d4 f5 2.c4 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3 O-O 6.O-O d6 7.Nc3 c6)
Average Elo: 2001.25
Result: 1½/4 = 37.5%

B08 Pirc, Classical (1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3)
Average Elo: 1871.5
Result: 2/4 = 50%

B20 Sicilian (1.e4 c5)
Average Elo: 1897.5
Result: 1/3 = 33.33%

B07 Pirc (1.e4 d6 2.d4 Nf6)
Average Elo: 1698
Result: 2/3 = 66.67%

A41 Queen's Pawn Game (with ...d6) (1.d4 d6)
Average Elo: 1858
Result: 2½/3 = 83.33%

A21 English (1.c4 e5 2.Nc3)
Average Elo: 1937.67
Result: 1/3 = 33.33%

A02 Bird's Opening (1.f4)
Average Elo: 1958.5
Result: 1/2 = 50%

A03 Bird's Opening (1.f4 d5)
Average Elo: 1763
Result: 1/2 = 50%

E60 King's Indian Defense (1.d4 Nf6 2.c4 g6)
Average Elo: 2026
Result: 1/2 = 50%

A00 Uncommon Opening (1.g4, a3, h3, etc.)
Average Elo: 2022.5
Result: 1½/2 = 75%

A26 English (1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6)
Average Elo: 2000
Result: ½/2 = 25%

A01 Nimzovich-Larsen Attack (1.b3)
Average Elo: 1844
Result: 1/2 = 50%

A04 Reti Opening (1.Nf3)
Average Elo: 2104
Result: ½/1 = 50%

A87 Dutch, Leningrad, Main Variation (1.d4 f5 2.c4 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3)
Average Elo: 0
Result: ½/1 = 50%

A85 Dutch, with c4 & Nc3 (1.d4 f5 2.c4 Nf6 3.Nc3)
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: ½/1 = 50%

B09 Pirc, Austrian Attack (1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4)
Average Elo: 2062
Result: ½/1 = 50%

C60 Ruy Lopez (1.e4 e5 2.Nf3 Nc6 3.Bb5)
Average Elo: 1827
Result: ½/1 = 50%

A45 Queen's Pawn Game (1.d4 Nf6)
Average Elo: 1999
Result: 1/1 = 100%

A86 Dutch (1.d4 f5 2.c4 Nf6 3.g3)
Average Elo: 1804
Result: 1/1 = 100%

A81 Dutch (1.d4 f5 2.g3)
Average Elo: 1819
Result: 1/1 = 100%

B72 Sicilian, Dragon (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3)
Average Elo: 1840
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: 2126
Result: 0/1 = 0%

A08 King's Indian Attack (1.Nf3 d5 2.g3 c5 3.Bg2)
Average Elo: 2032
Result: ½/1 = 50%

A49 King's Indian, Fianchetto without c4 (1.d4 Nf6 2.Nf3 g6 3.g3)
Average Elo: 2133
Result: ½/1 = 50%

D02 Queen's Pawn Game (1.d4 d5 2.Nf3)
Average Elo: 2119
Result: 0/1 = 0%

A36 English (1.c4 c5 2.Nc3 Nc6 3.g3)
Average Elo: 2036
Result: 0/1 = 0%