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Player Profile

Player:

(Eg: Carlsen,Magnus)

Bosma, Jan



FIDE:	FIDE Card
Years:	2010-2021
Number of games:	63
Number of wins:	19
Number of draws:	20
Number of losses:	24
White score:	13½/31 (43.55% - Average Elo: 1732.09)
Black score:	15½/32 (48.44% - Average Elo: 1649.53)

Rating progression

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

Top wins

Bosma, Jan - Mesman, Edwyn (1849), NED-ch U15, Sneek (B08) - 2013

Bosma, Jan (1684) - Hartevelt, Leendert (1777), NED-ch U1820, Assen (A29) - 2017

Bosma, Jan - Kanters, Cor (1674), NED-ch U15, Rotterdam (C41) - 2014

Bhattacharjee, Sourav (1631) - Bosma, Jan (1367), NED-ch U13, Rijswijk (B08) - 2011

Bootsma, Nick (1528) - Bosma, Jan (1684), NED-ch U1820, Assen (B04) - 2017

De Boer, Sipke (1442) - Bosma, Jan (1556), NED-ch U16, Rotterdam (E35) - 2016

Bosma, Jan - ? (29)

Kanters, Cor (1½/2)

Kevlishvili, Robby (1/2)

Bekedam, Tyro (½/1)

Beukema, Jasper (½/1)

Bhattacharjee, Sourav (½/1)

Corstjens, Rolf (½/1)

De Boer, Sipke (1/1)

De Feijter, Bas (0/1)

Dijkhuis, Sven (0/1)

Hartevelt, Leendert (1/1)

Kazarian, Anna Maja (0/1)

Klijn, Hugo (1/1)

Korenwinder, Tom (0/1)

Loutragotis, Dimitrios (0/1)

Luiten, Reinier (½/1)

Mesman, Edwyn (1/1)

Mouhdad, Yassine (0/1)

Nguyen, Kevin (0/1)

Pannebakker, Joost Jan (½/1)

Pols, Arne (½/1)

Rekveld, Bram (1/1)

Slomczewski, Michal (0/1)

Ten Have, Dimitri (1/1)

Titus, Branco (½/1)

Van Nimwegen, Martijn (½/1)

Vandeputte, Samuel (½/1)

Vereggen, Lars (0/1)

Wagenvoorde, Guido (0/1)

Yang, Wang (0/1)

? - Bosma, Jan (32)

Baselmans, Luuk (½/1)

Baselmans, Sam (½/1)

Bekedam, Tyro (½/1)

Bhattacharjee, Sourav (1/1)

Bootsma, Nick (1/1)

Bourgonjen, Ruben (1/1)

Brandwijk, Harm (0/1)

Chang, Hawkie (0/1)

De Boer, Bas (0/1)

De Boer, Sipke (1/1)

De Feijter, Bas (½/1)

Den Hartog, Marijn (0/1)

Dubbeldam, Bart (1/1)

Elgersma, Simon (0/1)

Hoeneveld, Maarten (1/1)

Janse, Alexander (0/1)

Kaiser, Jakob (½/1)

Klein, Jorik (1/1)

Kouwenhoven, Derk (½/1)

Steunenberg, Renso (½/1)

Van der Knijff, Gerhard (½/1)

Van der Noordaa, Daan (½/1)

Van Doren, Bas (0/1)

Van Kaam, Alex (1/1)

Van Nimwegen, Martijn (1/1)

Van Os, Marcel (0/1)

Van Roon, Sjoerd (0/1)

Openings played as White (23)

A29 English, Four Knights, Kingside Fianchetto (1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3)
Average Elo: 1855.8
Result: 2/6 = 33.33%

B25 Sicilian, Closed (1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6)
Average Elo: 1676.33
Result: 1/3 = 33.33%

B22 Sicilian, Alapin (1.e4 c5 2.c3)
Average Elo: 1675
Result: 1/2 = 50%

E72 King's Indian (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.g3)
Average Elo: 1821
Result: ½/1 = 50%

C89 Ruy Lopez, Marshall (1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d5)
Average Elo: 1924
Result: ½/1 = 50%

C15 French, Winawer (1.e4 e6 2.d4 d5 3.Nc3 Bb4)
Average Elo: 1677
Result: ½/1 = 50%

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: 1363
Result: 1/1 = 100%

A16 English (1.c4 Nf6 2.Nc3)
Average Elo: 0
Result: ½/1 = 50%

C41 Philidor Defense (1.e4 e5 2.Nf3 d6)
Average Elo: 1674
Result: 1/1 = 100%

B26 Sicilian, Closed, 6.Be3 (1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Be3)
Average Elo: 1864
Result: 0/1 = 0%

C80 Ruy Lopez, Open (1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4)
Average Elo: 982
Result: 1/1 = 100%

B07 Pirc (1.e4 d6 2.d4 Nf6)
Average Elo: 0
Result: 0/1 = 0%

C01 French, Exchange (1.e4 e6 2.d4 d5 3.exd5 exd5 4.Nc3 Nf6 5.Bg5)
Average Elo: 1317
Result: 0/1 = 0%

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

B08 Pirc, Classical (1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3)
Average Elo: 1849
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: 2049
Result: 0/1 = 0%

D94 Grunfeld (1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3)
Average Elo: 0
Result: ½/1 = 50%

C63 Ruy Lopez, Schliemann Defense (1.e4 e5 2.Nf3 Nc6 3.Bb5 f5)
Average Elo: 1904
Result: ½/1 = 50%

C78 Ruy Lopez (1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O)
Average Elo: 0
Result: 1/1 = 100%

A00 Uncommon Opening (1.g4, a3, h3, etc.)
Average Elo: 0
Result: 0/1 = 0%

C60 Ruy Lopez (1.e4 e5 2.Nf3 Nc6 3.Bb5)
Average Elo: 1365
Result: 1/1 = 100%

A27 English, Three Knights System (1.c4 e5 2.Nc3 Nc6 3.Nf3)
Average Elo: 2334
Result: 0/1 = 0%

B23 Sicilian, Closed (1.e4 c5 2.Nc3)
Average Elo: 0
Result: 0/1 = 0%

Openings played as Black (19)

B08 Pirc, Classical (1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3)
Average Elo: 1466.33
Result: 4/7 = 57.14%

B07 Pirc (1.e4 d6 2.d4 Nf6)
Average Elo: 1263.5
Result: 2½/5 = 50%

B50 Sicilian (1.e4 c5 2.Nf3 d6)
Average Elo: 0
Result: 1½/2 = 75%

A03 Bird's Opening (1.f4 d5)
Average Elo: 1335
Result: 1½/2 = 75%

B04 Alekhine's Defense, Modern (1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3)
Average Elo: 1877.5
Result: 1/2 = 50%

B22 Sicilian, Alapin (1.e4 c5 2.c3)
Average Elo: 0
Result: 1/1 = 100%

D20 Queen's Gambit Accepted (1.d4 d5 2.c4 dxc4)
Average Elo: 0
Result: 1/1 = 100%

B33 Sicilian (1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4)
Average Elo: 0
Result: 0/1 = 0%

B06 Robatsch (1.e4 g6)
Average Elo: 1190
Result: 1/1 = 100%

E92 King's Indian (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5)
Average Elo: 0
Result: ½/1 = 50%

Uncommon Opening (1.g4, a3, h3, etc.)
Average Elo: 1780
Result: 0/1 = 0%

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

A25 English (1.c4 e5 2.Nc3 Nc6)
Average Elo: 0
Result: ½/1 = 50%

B09 Pirc, Austrian Attack (1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4)
Average Elo: 0
Result: 0/1 = 0%

E35 Nimzo-Indian, Classical, Noa Variation, 5.cd ed (1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 5.cxd5 exd5)
Average Elo: 1442
Result: 1/1 = 100%

B23 Sicilian, Closed (1.e4 c5 2.Nc3)
Average Elo: 1940
Result: 0/1 = 0%

D21 Queen's Gambit Accepted (1.d4 d5 2.c4 dxc4 3.Nf3)
Average Elo: 2107
Result: 0/1 = 0%

B03 Alekhine's Defense (1.e4 Nf6 2.e5 Nd5 3.d4)
Average Elo: 2189
Result: 0/1 = 0%

C86 Ruy Lopez, Worrall Attack (1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Qe2)
Average Elo: 2079
Result: 0/1 = 0%