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Player Profile

Player:

(Eg: Carlsen,Magnus)

Geertsma, Folkert Jan



Years:	1986-2015
Number of games:	71
Number of wins:	17
Number of draws:	33
Number of losses:	21
White score:	17/36 (47.22% - Average Elo: 1949.64)
Black score:	16½/35 (47.14% - Average Elo: 1968.63)

Rating progression

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

Top wins

Geertsma, Folkert Jan (1976) - Postma, Jan (1742), Leiden SB-ch, Leiden (D35) - 2011

Geertsma, Folkert Jan - Groenhuis, Jessica (1701), Ghent Taminco op 33rd, Ghent (A00) - 2010

Geertsma, Folkert Jan - Uittenbogaard, Rob (1616), Leiden SB-ch, Leiden (A31) - 2013

Visser, Yge (2290) - Geertsma, Folkert Jan, NED-ch42 sf-A, Eindhoven (B19) - 1986

Faydi, Jonathan J (2138) - Geertsma, Folkert Jan, Leiden SB-ch, Leiden (B01) - 2013

Verheijen, Jan (1611) - Geertsma, Folkert Jan (1858), Leiden SB-ch, Leiden (A22) - 2006

Geertsma, Folkert Jan - ? (34)

Bingen, Stanley (2/2)

BYE1 (1/2)

Aalbers, Klaas (½/1)

Bierenbroodspot, Paul (½/1)

Bloothoofd, Gerrie (½/1)

BYE3 (½/1)

Coene, Igor (0/1)

De Groot, Marco (0/1)

Groenhuis, Jessica (1/1)

Gruijters, Dirk (0/1)

Heijboer, Herman (1/1)

Irwin, Mark (0/1)

Leeuwenburgh, Evert (½/1)

Scherpenisse, Kees (½/1)

Straver, Robert (½/1)

Thissen, Thomas (½/1)

Timmerman, Gert Jan (0/1)

Timmermans, Ivo (0/1)

Uittenbogaard, Rob (1/1)

Van Briemen, Willem Jan (½/1)

Van den Bosse, Bart (½/1)

Van der Scheer, Henk (½/1)

Van der Tuuk, Jaap (½/1)

Van Wissen, Michiel (0/1)

Versporten, Wim (½/1)

? - Geertsma, Folkert Jan (35)

Aalders, Peter (½/1)

Bakker, Joop (½/1)

Bierenbroodspot, Paul (0/1)

Bon, Peter (1/1)

De Heer, Machiel (0/1)

Farrand, Tom (0/1)

Faydi, Jonathan J (1/1)

Geragousian, Biaina (½/1)

Glimmerveen, Martin (½/1)

Gorter, Yme (0/1)

Gusnuckow, Milo (1/1)

Heemskerk, Wim (0/1)

Hellenberg, Jan Amerik (1/1)

Henneberke, Frans (1/1)

Hortensius, Nick (½/1)

Huizer, Olivier (0/1)

Karasik, Evgeni (0/1)

Korving, Frank (1/1)

Noordijk, Ed (½/1)

Noordkamp, Wouter (½/1)

Oei, Hway Ik (0/1)

Okkes, Menno (0/1)

Oosterom, Erik (½/1)

Stork, Ornett J (½/1)

Straver, Robert (0/1)

Van Briemen, Willem Jan (½/1)

Van Drunick, Jan Willem (½/1)

Van Ketel, Raoul (½/1)

Van Wessel, Rudy (0/1)

Verheijen, Jan (1/1)

Vernooy, Daan (1/1)

Visser, Yge (1/1)

Volders, Wessel (½/1)

Vriend, Wim (½/1)

Weiland, Harro (½/1)

Openings played as White (25)

Uncommon Opening (1.g4, a3, h3, etc.)
Average Elo: 2250
Result: 2½/5 = 50%

A29 English, Four Knights, Kingside Fianchetto (1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3)
Average Elo: 2038.75
Result: 1/4 = 25%

D10 Queen's Gambit Declined Slav (1.d4 d5 2.c4 c6)
Average Elo: 1950
Result: 1/2 = 50%

A00 Uncommon Opening (1.g4, a3, h3, etc.)
Average Elo: 1701
Result: 1½/2 = 75%

A21 English (1.c4 e5 2.Nc3)
Average Elo: 1532
Result: 1½/2 = 75%

A10 English (1.c4)
Average Elo: 2315
Result: 1/2 = 50%

E24 Nimzo-Indian, Samisch (1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3)
Average Elo: 1187
Result: 1/1 = 100%

A27 English, Three Knights System (1.c4 e5 2.Nc3 Nc6 3.Nf3)
Average Elo: 0
Result: ½/1 = 50%

D37 Queen's Gambit Declined (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3)
Average Elo: 2203
Result: 0/1 = 0%

A24 English, Bremen System with ...g6 (1.c4 e5 2.Nc3 Nf6 3.g3 g6)
Average Elo: 2060
Result: ½/1 = 50%

A26 English (1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6)
Average Elo: 0
Result: ½/1 = 50%

D79 Neo-Grunfeld, 6.O-O, Main line (1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.O-O c6 7.cxd5 cxd5)
Average Elo: 2415
Result: 0/1 = 0%

A30 English, Symmetrical (1.c4 c5)
Average Elo: 1981
Result: 0/1 = 0%

A34 English, Symmetrical (1.c4 c5 2.Nc3)
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: 1918
Result: 0/1 = 0%

A32 English, Symmetrical Variation (1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6)
Average Elo: 2203
Result: 0/1 = 0%

A54 Old Indian, Ukrainian Variation, 4.Nf3 (1.d4 Nf6 2.c4 d6 3.Nc3 e5 4.Nf3)
Average Elo: 1852
Result: ½/1 = 50%

A15 English (1.c4 Nf6)
Average Elo: 2126
Result: 0/1 = 0%

D35 Queen's Gambit Declined (1.d4 d5 2.c4 e6 3.Nc3 Nf6)
Average Elo: 1742
Result: 1/1 = 100%

A86 Dutch (1.d4 f5 2.c4 Nf6 3.g3)
Average Elo: 1986
Result: ½/1 = 50%

A31 English, Symmetrical, Benoni Formation (1.c4 c5 2.Nf3 Nf6 3.d4)
Average Elo: 1616
Result: 1/1 = 100%

D15 Queen's Gambit Declined Slav (1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3)
Average Elo: 0
Result: ½/1 = 50%

E61 King's Indian (1.d4 Nf6 2.c4 g6 3.Nc3)
Average Elo: 1916
Result: ½/1 = 50%

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: ½/1 = 50%

D52 Queen's Gambit Declined (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.e3 c6 6.Nf3)
Average Elo: 2151
Result: ½/1 = 50%

Openings played as Black (22)

B01 Scandinavian (1.e4 d5)
Average Elo: 1993
Result: 4½/11 = 40.91%

B19 Caro-Kann, Classical (1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.h4 h6 7.Nf3 Nd7)
Average Elo: 2035.5
Result: 1/2 = 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: 1992.5
Result: 1/2 = 50%

D45 Queen's Gambit Declined Semi-Slav (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3)
Average Elo: 2216.5
Result: ½/2 = 25%

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: 0/1 = 0%

D02 Queen's Pawn Game (1.d4 d5 2.Nf3)
Average Elo: 0
Result: 1/1 = 100%

D37 Queen's Gambit Declined (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3)
Average Elo: 1696
Result: ½/1 = 50%

B18 Caro-Kann, Classical (1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5)
Average Elo: 2144
Result: 0/1 = 0%

D11 Queen's Gambit Declined Slav (1.d4 d5 2.c4 c6 3.Nf3)
Average Elo: 2120
Result: ½/1 = 50%

C00 French Defense (1.e4 e6)
Average Elo: 1879
Result: ½/1 = 50%

B11 Caro-Kann, Two Knights, 3...Bg4 (1.e4 c6 2.Nc3 d5 3.Nf3 Bg4)
Average Elo: 2192
Result: 0/1 = 0%

A22 English (1.c4 e5 2.Nc3 Nf6)
Average Elo: 1611
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: 2182
Result: 0/1 = 0%

Uncommon Opening (1.g4, a3, h3, etc.)
Average Elo: 1585
Result: 1/1 = 100%

E32 Nimzo-Indian, Classical (1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2)
Average Elo: 1609
Result: 1/1 = 100%

B02 Alekhine's Defense (1.e4 Nf6)
Average Elo: 1763
Result: ½/1 = 50%

A07 King's Indian Attack (1.Nf3 d5 2.g3)
Average Elo: 0
Result: 1/1 = 100%

A10 English (1.c4)
Average Elo: 1595
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: 2387
Result: 0/1 = 0%

D53 Queen's Gambit Declined (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7)
Average Elo: 0
Result: ½/1 = 50%

A12 English with b3 (1.c4 c6 2.Nf3 d5 3.b3)
Average Elo: 1970
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: 1907
Result: ½/1 = 50%