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Player Profile

Player:

(Eg: Carlsen,Magnus)

Keessen, Aldert Jan



Years:	1994-2006
Number of games:	113
Number of wins:	47
Number of draws:	30
Number of losses:	36
White score:	34½/58 (59.48% - Average Elo: 2279.35)
Black score:	27½/55 (50% - Average Elo: 2268.24)

Rating progression

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

Top wins

Keessen, Aldert Jan (2166) - Oosterom, Erik (2028), Leiden SB-ch, Leiden (D45) - 2004

Keessen, Aldert Jan (2110) - Loyen, Egbert (1998), Oberliga NRW 9900 I, Germany (C06) - 2000

Keessen, Aldert Jan (2166) - Gruijters, Dirk (1918), Leiden SB-ch, Leiden (D46) - 2004

Van Beek, Alexander (2294) - Keessen, Aldert Jan, NED U20 op, Hengelo (B76) - 1999

Van Ketel, Raoul (2247) - Keessen, Aldert Jan (2166), Leiden SB-ch, Leiden (A68) - 2004

Vink, Nico (2235) - Keessen, Aldert Jan, NED-ch U20, Leiden (B65) - 1998

Keessen, Aldert Jan - ? (55)

Middelburg, Tom (½/2)

Remmel, Tim (0/2)

Solleveld, Maarten (1/2)

Amesz, Jaap (½/1)

Azarov, Sergei Nikolaevich (½/1)

Bardelmeijer, Niels (½/1)

Bargboer, G (1/1)

Beljaars, Arno (1/1)

Berendsen, Richard (½/1)

Berkvens, Joost (0/1)

Blom, Gerben (1/1)

Brouwers, Geert (1/1)

Burgerhoff, Rinus (1/1)

Cliteur, Olaf (1/1)

Dambacher, Martijn (0/1)

De Boer, Sybolt (½/1)

Drel, Nicolai (1/1)

Grochal, Joey (0/1)

Gruijters, Dirk (1/1)

Hoogendoorn, Joost (½/1)

Jens, Jelmer (1/1)

Johannessen, Leif Erlend (0/1)

Kalisvaart, Peter (½/1)

Ketelaars, Tom (1/1)

Khenkin, Igor (0/1)

Knoppert, Erik (0/1)

Kordel, Mathias (0/1)

Laarhoven, Thijs (½/1)

Lammens, Tim (1/1)

Lemmers, Oscar (0/1)

Loyen, Egbert (1/1)

Mellegers, Joost P (½/1)

Oosterom, Erik (1/1)

Oosthout, Wouter (1/1)

Poschke, Markus (½/1)

Pulles, Dirk (½/1)

Safin, Shukhrat (0/1)

Serdijn, GO (½/1)

Sewkaransing, Vikash (½/1)

Van Beek, Alexander (½/1)

Van den Boomen, R (1/1)

Van der Kuyl, Alexander (1/1)

Van der Stap, Harry Sr (1/1)

Van der Weide, Karel (0/1)

Van der Wiel, John (½/1)

Van Eijk, Jasper (1/1)

Van Essen, Mark (1/1)

Van Rossum, Marloes (1/1)

Van Ruitenburg, Joost (1/1)

Van Veen, Oscar (0/1)

Velema, Sander (1/1)

Wiering, Jelle (1/1)

Willemze, Jeroen (½/1)

Winter, R (1/1)

Zweedijk, L (1/1)

? - Keessen, Aldert Jan (53)

Dambacher, Martijn (0/2)

Berkvens, Joost (0/1)

Gabriels, Geert (1/1)

Gurevich, Mikhail (0/1)

Heemskerk, Wim (1/1)

Houben, Jaap (0/1)

Kalisvaart, Peter (½/1)

Kuijpers, Jos (½/1)

Lammens, Tim (1/1)

Leenhouts, Koen (0/1)

Lytchak, Alexander (0/1)

Mannen, Henk (1/1)

Markus, Aernout (1/1)

Solleveld, Maarten (0/1)

Straffon Loredo, Othon (1/1)

Strating, Sybolt (0/1)

Van Beek, Alexander (1/1)

Van de Laar, Clement (1/1)

Van den Berg, Ad (0/1)

Van den Berg, Bram (½/1)

Van der Meulen, Jan Gerben (1/1)

Van Driel, Eric (0/1)

Van Gils, Philip (0/1)

Van Hengel, Hugo G (0/1)

Van Ketel, Raoul (1/1)

Van Oosterom, Chiel (½/1)

Van Otten, Gerard J (1/1)

Van Splunter, Arjen (½/1)

Van Tellingen, Frank (1/1)

Van Zutphen, Jimmy (½/1)

Wempe, Joost (1/1)

Willemze, Jeroen (0/1)

Wunnink, Michael (0/1)

Zult, Daan (1/1)

Openings played as White (42)

B22 Sicilian, Alapin (1.e4 c5 2.c3)
Average Elo: 2326
Result: 3/4 = 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: 2396.5
Result: 3/4 = 75%

A40 Queen's Pawn Game (1.d4)
Average Elo: 2116.5
Result: 1½/3 = 50%

A57 Benko Gambit (1.d4 Nf6 2.c4 c5 3.d5 b5)
Average Elo: 2325
Result: 1/3 = 33.33%

C45 Scotch Game (1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4)
Average Elo: 2418
Result: 1/2 = 50%

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: 0/2 = 0%

E99 King's Indian, Orthodox, Taimanov (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nc6 8.d5 Ne7 9.Ne1 Nd7 10.f3 f5)
Average Elo: 0
Result: 2/2 = 100%

E98 King's Indian, Orthodox, Taimanov, 9.Ne1 (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nc6 8.d5 Ne7 9.Ne1)
Average Elo: 0
Result: 1/2 = 50%

A42 Modern Defense, Averbakh System (1.d4 d6 2.c4 g6 3.Nc3 Bg7 4.e4)
Average Elo: 0
Result: 2/2 = 100%

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: 2510
Result: 0/2 = 0%

A54 Old Indian, Ukrainian Variation, 4.Nf3 (1.d4 Nf6 2.c4 d6 3.Nc3 e5 4.Nf3)
Average Elo: 2236
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%

D07 Queen's Gambit Declined, Chigorin Defense (1.d4 d5 2.c4 Nc6)
Average Elo: 0
Result: 1/1 = 100%

E20 Nimzo-Indian (1.d4 Nf6 2.c4 e6 3.Nc3 Bb4)
Average Elo: 0
Result: 1/1 = 100%

D27 Queen's Gambit Accepted, Classical (1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6)
Average Elo: 0
Result: ½/1 = 50%

E38 Nimzo-Indian, Classical, 4...c5 (1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5)
Average Elo: 0
Result: 0/1 = 0%

E21 Nimzo-Indian, Three Knights (1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Nf3)
Average Elo: 0
Result: 1/1 = 100%

D52 Queen's Gambit Declined (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.e3 c6 6.Nf3)
Average Elo: 0
Result: 1/1 = 100%

E37 Nimzo-Indian, Classical (1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 5.a3 Bxc3+ 6.Qxc3 Ne4 7.Qc2)
Average Elo: 0
Result: 1/1 = 100%

D46 Queen's Gambit Declined Semi-Slav (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3)
Average Elo: 1918
Result: 1/1 = 100%

C02 French, Advance (1.e4 e6 2.d4 d5 3.e5)
Average Elo: 2356
Result: 0/1 = 0%

D38 Queen's Gambit Declined, Ragozin Variation (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Bb4)
Average Elo: 0
Result: ½/1 = 50%

D43 Queen's Gambit Declined Semi-Slav (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6)
Average Elo: 2565
Result: 0/1 = 0%

E97 King's Indian (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nc6)
Average Elo: 0
Result: ½/1 = 50%

A67 Benoni, Taimanov Variation (1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.Bb5+)
Average Elo: 2365
Result: 0/1 = 0%

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: 1998
Result: 1/1 = 100%

D30 Queen's Gambit Declined (1.d4 d5 2.c4 e6)
Average Elo: 2260
Result: ½/1 = 50%

E01 Catalan, Closed (1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2)
Average Elo: 2266
Result: ½/1 = 50%

D45 Queen's Gambit Declined Semi-Slav (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3)
Average Elo: 2028
Result: 1/1 = 100%

D10 Queen's Gambit Declined Slav (1.d4 d5 2.c4 c6)
Average Elo: 1848
Result: 1/1 = 100%

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: ½/1 = 50%

A30 English, Symmetrical (1.c4 c5)
Average Elo: 0
Result: ½/1 = 50%

D20 Queen's Gambit Accepted (1.d4 d5 2.c4 dxc4)
Average Elo: 0
Result: ½/1 = 50%

Uncommon Opening (1.g4, a3, h3, etc.)
Average Elo: 2466
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: 0
Result: ½/1 = 50%

D13 Queen's Gambit Declined Slav, Exchange Variation (1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.cxd5 cxd5)
Average Elo: 0
Result: 1/1 = 100%

A38 English, Symmetrical (1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6)
Average Elo: 2446
Result: 0/1 = 0%

D35 Queen's Gambit Declined (1.d4 d5 2.c4 e6 3.Nc3 Nf6)
Average Elo: 0
Result: 1/1 = 100%

D31 Queen's Gambit Declined (1.d4 d5 2.c4 e6 3.Nc3)
Average Elo: 0
Result: 1/1 = 100%

A04 Reti Opening (1.Nf3)
Average Elo: 0
Result: 0/1 = 0%

D85 Grunfeld (1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5)
Average Elo: 0
Result: 1/1 = 100%

A50 Queen's Pawn Game (1.d4 Nf6 2.c4)
Average Elo: 0
Result: 1/1 = 100%

Openings played as Black (37)

B50 Sicilian (1.e4 c5 2.Nf3 d6)
Average Elo: 0
Result: 1½/4 = 37.5%

B76 Sicilian, Dragon, Yugoslav Attack (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O)
Average Elo: 2254.5
Result: 2/4 = 50%

B70 Sicilian, Dragon Variation (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6)
Average Elo: 0
Result: 1/3 = 33.33%

B25 Sicilian, Closed (1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6)
Average Elo: 0
Result: 2/3 = 66.67%

B72 Sicilian, Dragon (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3)
Average Elo: 2509
Result: 1½/3 = 50%

B22 Sicilian, Alapin (1.e4 c5 2.c3)
Average Elo: 2343
Result: 2½/3 = 83.33%

B26 Sicilian, Closed, 6.Be3 (1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Be3)
Average Elo: 0
Result: 2/2 = 100%

A59 Benko Gambit (1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 Bxa6 6.Nc3 d6 7.e4)
Average Elo: 2635
Result: ½/2 = 25%

B15 Caro-Kann (1.e4 c6 2.d4 d5 3.Nc3)
Average Elo: 0
Result: ½/2 = 25%

B74 Sicilian, Dragon, Classical (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6 8.O-O O-O 9.Nb3)
Average Elo: 2252
Result: 1/2 = 50%

B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack (1.e4 c5 2.Nf3 d6 3.Bb5+)
Average Elo: 0
Result: 1/1 = 100%

A57 Benko Gambit (1.d4 Nf6 2.c4 c5 3.d5 b5)
Average Elo: 2265
Result: 0/1 = 0%

A36 English (1.c4 c5 2.Nc3 Nc6 3.g3)
Average Elo: 0
Result: 1/1 = 100%

B89 Sicilian (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bc4 Nc6 7.Be3)
Average Elo: 0
Result: 1/1 = 100%

B73 Sicilian, Dragon, Classical (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6 8.O-O)
Average Elo: 0
Result: 0/1 = 0%

E38 Nimzo-Indian, Classical, 4...c5 (1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5)
Average Elo: 0
Result: 1/1 = 100%

A41 Queen's Pawn Game (with ...d6) (1.d4 d6)
Average Elo: 2115
Result: 0/1 = 0%

B06 Robatsch (1.e4 g6)
Average Elo: 0
Result: ½/1 = 50%

B66 Sicilian, Richter-Rauzer Attack, 7...a6 (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 a6)
Average Elo: 0
Result: ½/1 = 50%

A81 Dutch (1.d4 f5 2.g3)
Average Elo: 2140
Result: 0/1 = 0%

B65 Sicilian, Richter-Rauzer Attack, 7...Be7 Defense, 9...Nxd4 (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 Be7 8.O-O-O O-O 9.f4 Nxd4 10.Qxd4)
Average Elo: 2235
Result: 1/1 = 100%

D91 Grunfeld, 5.Bg5 (1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Bg5)
Average Elo: 2095
Result: 0/1 = 0%

D90 Grunfeld (1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3)
Average Elo: 0
Result: 1/1 = 100%

E12 Queen's Indian (1.d4 Nf6 2.c4 e6 3.Nf3 b6)
Average Elo: 0
Result: 0/1 = 0%

E61 King's Indian (1.d4 Nf6 2.c4 g6 3.Nc3)
Average Elo: 2428
Result: 0/1 = 0%

A65 Benoni, 6.e4 (1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4)
Average Elo: 0
Result: 0/1 = 0%

E76 King's Indian, Four Pawns Attack (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f4)
Average Elo: 2334
Result: 0/1 = 0%

A04 Reti Opening (1.Nf3)
Average Elo: 0
Result: 1/1 = 100%

B07 Pirc (1.e4 d6 2.d4 Nf6)
Average Elo: 1933
Result: ½/1 = 50%

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: 2176
Result: 1/1 = 100%

A68 Benoni, Four Pawns Attack (1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.Nf3 O-O)
Average Elo: 2247
Result: 1/1 = 100%

Uncommon Opening (1.g4, a3, h3, etc.)
Average Elo: 2466
Result: 0/1 = 0%

B40 Sicilian (1.e4 c5 2.Nf3 e6)
Average Elo: 2391
Result: ½/1 = 50%

A96 Dutch, Classical Variation (1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d6)
Average Elo: 0
Result: 1/1 = 100%

B44 Sicilian (1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6)
Average Elo: 2455
Result: ½/1 = 50%

B34 Sicilian, Accelerated Fianchetto (1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nxc6)
Average Elo: 2175
Result: 0/1 = 0%

A03 Bird's Opening (1.f4 d5)
Average Elo: 1930
Result: ½/1 = 50%