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Player Profile

Player:

(Eg: Carlsen,Magnus)

Boer, Alef



FIDE:	FIDE Card
Years:	1922-2025
Number of games:	182
Number of wins:	50
Number of draws:	59
Number of losses:	73
White score:	38/86 (44.19% - Average Elo: 2193.79)
Black score:	41½/96 (43.23% - Average Elo: 2178.72)

Rating progression

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

Top wins

Boer, Alef (2125) - Afek, Yochanan (2267), Groningen op-A 53rd, Groningen (A16) - 2015

Boer, Alef (2107) - Hilwerda, Jonas (2216), Hoogeveen op 21st, Hoogeveen (A35) - 2017

Boer, Alef (2154) - Fruestueck, Cord (2166), Oberliga Nord W 1213, Germany (A10) - 2012

Kasparov, Sergey (2484) - Boer, Alef (2167), Hoogeveen Unive op 18th, Hoogeveen (B04) - 2014

Korsus, Bernd (2283) - Boer, Alef (2190), Nord West Cup 04th, Bad Zwischenahn (E20) - 2002

De Jong, Migchiel (2275) - Boer, Alef, Groningen op3, Groningen (D30) - 1994

Boer, Alef - ? (82)

Hilwerda, Jonas (2/2)

Nicolai, Amir (1½/2)

Straat, Evert (0/2)

Van Weering, Jan A (1½/2)

Aas, Robert (½/1)

Adhiban, Baskaran (0/1)

Afek, Yochanan (1/1)

Albers, Sasa (½/1)

Ankitha, Goud Palle (1/1)

Bensch, Patrick (1/1)

Berkvens, Joost (0/1)

Bertholee, Rob (0/1)

Bezemer, Arno J (½/1)

Bodicker, Rob (1/1)

Boersma, Jan (0/1)

Boogaard, Sander (1/1)

BYE1 (½/1)

Christophers, Reinhard (1/1)

Colijn, Stefan (½/1)

De Blecourt, Sandra (0/1)

De Bruin, CB (1/1)

De Jong, Migchiel (0/1)

De Ruyter, Luuk (1/1)

Dede, Ruediger (1/1)

Dekker, Cornelis (½/1)

Dekker, Jop (1/1)

Dondergoor, Evertjan (0/1)

Drognat Doeve, MF (1/1)

Duchene, Rene (½/1)

Fehr, Axel (0/1)

Frayna, Janelle Mae (½/1)

Fruestueck, Cord (1/1)

Goudriaan, Rafael (½/1)

Guelsen, Taylan (0/1)

Guramishvili, Sopiko (0/1)

Harff, Wilfried (½/1)

Ionescu, Doru Alexandru (0/1)

Koetsheid, Petrus (0/1)

Kokje, Joris (½/1)

Konings, Frans (½/1)

Kreuzer, Klaus (0/1)

Labruyere, Roger (0/1)

Markus, John Raymond (½/1)

Meijer, AWA (0/1)

Meyer, Justus (1/1)

Moldauer, Norbert (½/1)

Nepveu, Manuel (1/1)

Nieukerke, Karel J (1/1)

Polak, Joseph (0/1)

Raghavi, Nagarajan (0/1)

Ris, Robert (½/1)

Ruiz Buendia, Miguel (½/1)

Sadallah, Osama (0/1)

Saduakassova, Dinara (0/1)

Schmidt, Dennis (0/1)

Smeets, Kobe (0/1)

Smeets, Pierre (½/1)

Sonnenberg, Martijn (0/1)

Soors, Stef (0/1)

Spit, Vincent (1/1)

Usachyi, Vladimir (½/1)

Van Baarle, John (0/1)

Van den Bosch, Johannes (0/1)

Van der Horst, Klaas (1/1)

Van der Leij, Arjan GC (1/1)

Van Foreest, Lucas (0/1)

Van Foreest, Machteld (0/1)

Van Meter, Lester (1/1)

Van Twillert, Laurents (1/1)

Weggen, Jeroen (0/1)

Wempe, Joost (0/1)

Werle, Jan (0/1)

Wertheim, Johan Hendrik (½/1)

Wiersma, P (0/1)

Wismeijer, Jeroen (1/1)

Wunnink, Michael (½/1)

Xu, Yuanyuan (0/1)

Zotin, Vladimir (1/1)

? - Boer, Alef (88)

Bahnert, A (1/2)

Bekedam, Tyro (1½/2)

De Jong, Migchiel (1/2)

Koen, HA (½/2)

Koetsheid, Petrus (1½/2)

Schelfhout, Willem AT (1/2)

Straat, Evert (0/2)

Strick van Linschoten, Hendrik (1/2)

Addicks, Joop (1/1)

Arnold, Rhys (0/1)

Beffie, Bernard (0/1)

Berghuis, Marten (1/1)

Beukema, Jasper (½/1)

Brakkee, GJ (1/1)

Brandenburg, Daan (1/1)

Buriks, Piet (½/1)

Buzing, Pieter C (½/1)

Del Rio de Angelis, Salvador Gabriel (0/1)

Denger, Philipp (½/1)

Dugarov, Alexei (0/1)

Elshout Visser, Jacob (½/1)

Fette, Martin (0/1)

Fischbach, Harald (½/1)

Fischer, Jan (½/1)

Floor, Dirk (½/1)

Geirsson, Kristjan (1/1)

Grutter, Tim (1/1)

Hagner, Bennet (0/1)

Heimisson, Hilmir Freyr (0/1)

Henrich, Thomas (1/1)

Hoeffer, David (0/1)

Houtman, Joop (½/1)

Huber, Benedikt Thomas (0/1)

Kasparov, Sergey (1/1)

Kazarjan, Gachatur (½/1)

Kevlishvili, Robby (0/1)

Kirk, Eden (1/1)

Kleefstra, HD (½/1)

Korsus, Bernd (1/1)

Kouwenhoven, Derk (½/1)

Kutchoukov, Daniel (1/1)

Labruyere, Roger (½/1)

Moldauer, Norbert (0/1)

Montezinos, J (½/1)

Mostertman, Conrad (1/1)

Muetsch, Annmarie (0/1)

Nepveu, Manuel (1/1)

Okkes, Menno (0/1)

Paltrinieri, Nicholas (0/1)

Pel, Bonno (0/1)

Perrenet, Jacob (0/1)

Saravanan, Venkat (0/1)

Schilstra, Laurens (0/1)

Schoehuys, Erik (½/1)

Schoppen, Casper (½/1)

Sonnenberg, Martijn (0/1)

Taams, Lisanne (1/1)

Tan, Matthew (½/1)

Taylor, EG (1/1)

Termeulen, Albert (0/1)

Theulings, Paul Peter (½/1)

Van Baar, Esper (1/1)

Van der Veen, Jan (½/1)

Van Kerkhof, David (0/1)

Van Osch, Mees (0/1)

Van Rootselaar, Rik (½/1)

Vedder, Richard (½/1)

Vereggen, Lars (0/1)

Vogel, Jaap (½/1)

Weidemann, Joerg (0/1)

Weijsenfeld, Martin (1/1)

Zittersteyn, Gerard WJ (0/1)

Openings played as White (45)

Uncommon Opening (1.g4, a3, h3, etc.)
Average Elo: 0
Result: 6/14 = 42.86%

B22 Sicilian, Alapin (1.e4 c5 2.c3)
Average Elo: 2136
Result: 3/5 = 60%

C00 French Defense (1.e4 e6)
Average Elo: 2176
Result: 2/4 = 50%

A25 English (1.c4 e5 2.Nc3 Nc6)
Average Elo: 2299
Result: ½/4 = 12.5%

A10 English (1.c4)
Average Elo: 2180.75
Result: 1½/4 = 37.5%

A14 English (1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 Be7 5.O-O)
Average Elo: 2237.75
Result: 1/4 = 25%

A36 English (1.c4 c5 2.Nc3 Nc6 3.g3)
Average Elo: 2287
Result: 2½/3 = 83.33%

A29 English, Four Knights, Kingside Fianchetto (1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3)
Average Elo: 2211
Result: 2/3 = 66.67%

B20 Sicilian (1.e4 c5)
Average Elo: 2032
Result: 2/3 = 66.67%

C77 Ruy Lopez (1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6)
Average Elo: 2027
Result: 1½/2 = 75%

C02 French, Advance (1.e4 e6 2.d4 d5 3.e5)
Average Elo: 2164
Result: 1/2 = 50%

B03 Alekhine's Defense (1.e4 Nf6 2.e5 Nd5 3.d4)
Average Elo: 0
Result: 2/2 = 100%

B30 Sicilian (1.e4 c5 2.Nf3 Nc6)
Average Elo: 2106.5
Result: ½/2 = 25%

A35 English, Symmetrical (1.c4 c5 2.Nc3 Nc6)
Average Elo: 2155
Result: 2/2 = 100%

B06 Robatsch (1.e4 g6)
Average Elo: 2162.5
Result: ½/2 = 25%

B69 Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 11.Bxf6 (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 a6 8.O-O-O Bd7 9.f4 Be7 10.Nf3 b5 11.Bxf6)
Average Elo: 2554
Result: 0/1 = 0%

A16 English (1.c4 Nf6 2.Nc3)
Average Elo: 2267
Result: 1/1 = 100%

B11 Caro-Kann, Two Knights, 3...Bg4 (1.e4 c6 2.Nc3 d5 3.Nf3 Bg4)
Average Elo: 2192
Result: ½/1 = 50%

C31 King's Gambit Declined, Falkbeer Counter Gambit (1.e4 e5 2.f4 d5)
Average Elo: 0
Result: 0/1 = 0%

A45 Queen's Pawn Game (1.d4 Nf6)
Average Elo: 2343
Result: 0/1 = 0%

A30 English, Symmetrical (1.c4 c5)
Average Elo: 0
Result: 1/1 = 100%

D02 Queen's Pawn Game (1.d4 d5 2.Nf3)
Average Elo: 2352
Result: 0/1 = 0%

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: 1/1 = 100%

E15 Queen's Indian (1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3)
Average Elo: 0
Result: 0/1 = 0%

B53 Sicilian (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4)
Average Elo: 2011
Result: 0/1 = 0%

A13 English (1.c4 e6)
Average Elo: 2381
Result: 0/1 = 0%

A18 English, Mikenas-Carls (1.c4 Nf6 2.Nc3 e6 3.e4)
Average Elo: 2306
Result: ½/1 = 50%

B31 Sicilian, Rossolimo Variation (1.e4 c5 2.Nf3 Nc6 3.Bb5 g6)
Average Elo: 2360
Result: ½/1 = 50%

C34 King's Gambit Accepted (1.e4 e5 2.f4 exf4 3.Nf3)
Average Elo: 2160
Result: ½/1 = 50%

C50 Giuoco Piano (1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5)
Average Elo: 0
Result: ½/1 = 50%

B10 Caro-Kann (1.e4 c6)
Average Elo: 2188
Result: ½/1 = 50%

B25 Sicilian, Closed (1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6)
Average Elo: 2125
Result: ½/1 = 50%

B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack (1.e4 c5 2.Nf3 d6 3.Bb5+)
Average Elo: 2353
Result: ½/1 = 50%

D85 Grunfeld (1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5)
Average Elo: 2067
Result: 0/1 = 0%

A37 English, Symmetrical (1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3)
Average Elo: 2063
Result: 0/1 = 0%

A11 English, Caro-Kann Defensive System (1.c4 c6)
Average Elo: 2044
Result: ½/1 = 50%

C58 Two Knights (1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5)
Average Elo: 0
Result: 0/1 = 0%

B44 Sicilian (1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6)
Average Elo: 2076
Result: 1/1 = 100%

A53 Old Indian (1.d4 Nf6 2.c4 d6)
Average Elo: 2143
Result: ½/1 = 50%

B13 Caro-Kann, Exchange (1.e4 c6 2.d4 d5 3.exd5 cxd5)
Average Elo: 2295
Result: 0/1 = 0%

A08 King's Indian Attack (1.Nf3 d5 2.g3 c5 3.Bg2)
Average Elo: 1829
Result: 0/1 = 0%

D10 Queen's Gambit Declined Slav (1.d4 d5 2.c4 c6)
Average Elo: 0
Result: 1/1 = 100%

C01 French, Exchange (1.e4 e6 2.d4 d5 3.exd5 exd5 4.Nc3 Nf6 5.Bg5)
Average Elo: 2314
Result: 0/1 = 0%

A26 English (1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6)
Average Elo: 2524
Result: 0/1 = 0%

B01 Scandinavian (1.e4 d5)
Average Elo: 2335
Result: 0/1 = 0%

Openings played as Black (46)

Uncommon Opening (1.g4, a3, h3, etc.)
Average Elo: 0
Result: 8/17 = 47.06%

B03 Alekhine's Defense (1.e4 Nf6 2.e5 Nd5 3.d4)
Average Elo: 2190.5
Result: 4½/11 = 40.91%

B04 Alekhine's Defense, Modern (1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3)
Average Elo: 2207.1
Result: 6/10 = 60%

D11 Queen's Gambit Declined Slav (1.d4 d5 2.c4 c6 3.Nf3)
Average Elo: 2252.5
Result: 1/4 = 25%

A03 Bird's Opening (1.f4 d5)
Average Elo: 2193
Result: 1½/3 = 50%

B02 Alekhine's Defense (1.e4 Nf6)
Average Elo: 2138.67
Result: 1/3 = 33.33%

D35 Queen's Gambit Declined (1.d4 d5 2.c4 e6 3.Nc3 Nf6)
Average Elo: 2376
Result: ½/2 = 25%

D30 Queen's Gambit Declined (1.d4 d5 2.c4 e6)
Average Elo: 2228.5
Result: 1½/2 = 75%

D03 Torre Attack (Tartakower Variation) (1.d4 d5 2.Nf3 Nf6 3.Bg5)
Average Elo: 1933
Result: 1½/2 = 75%

B05 Alekhine's Defense, Modern (1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4)
Average Elo: 2070.5
Result: 1½/2 = 75%

D00 Queen's Pawn Game (1.d4 d5)
Average Elo: 2203
Result: 1/2 = 50%

E01 Catalan, Closed (1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2)
Average Elo: 2119.5
Result: 1/2 = 50%

C47 Four Knights (1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6)
Average Elo: 2090.5
Result: ½/2 = 25%

C10 French (1.e4 e6 2.d4 d5 3.Nc3)
Average Elo: 2028.5
Result: ½/2 = 25%

C45 Scotch Game (1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4)
Average Elo: 0
Result: 1/1 = 100%

D64 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.Rc1 c6 8.Qc2)
Average Elo: 0
Result: 0/1 = 0%

A14 English (1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 Be7 5.O-O)
Average Elo: 0
Result: 0/1 = 0%

C49 Four Knights (1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4)
Average Elo: 0
Result: ½/1 = 50%

D55 Queen's Gambit Declined (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3)
Average Elo: 0
Result: 0/1 = 0%

C90 Ruy Lopez, Closed (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 d6)
Average Elo: 0
Result: 0/1 = 0%

C26 Vienna (1.e4 e5 2.Nc3 Nf6)
Average Elo: 0
Result: 1/1 = 100%

D01 Richter-Veresov Attack (1.d4 d5 2.Nc3 Nf6 3.Bg5)
Average Elo: 0
Result: 0/1 = 0%

C00 French Defense (1.e4 e6)
Average Elo: 0
Result: 0/1 = 0%

E11 Bogo-Indian Defense (1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+)
Average Elo: 1976
Result: 1/1 = 100%

E20 Nimzo-Indian (1.d4 Nf6 2.c4 e6 3.Nc3 Bb4)
Average Elo: 2283
Result: 1/1 = 100%

B29 Sicilian, Nimzovich-Rubinstein (1.e4 c5 2.Nf3 Nf6)
Average Elo: 0
Result: ½/1 = 50%

B30 Sicilian (1.e4 c5 2.Nf3 Nc6)
Average Elo: 2229
Result: 0/1 = 0%

D45 Queen's Gambit Declined Semi-Slav (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3)
Average Elo: 2192
Result: ½/1 = 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: 2182
Result: 1/1 = 100%

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: 2227
Result: 1/1 = 100%

A00 Uncommon Opening (1.g4, a3, h3, etc.)
Average Elo: 2078
Result: 0/1 = 0%

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: 2085
Result: ½/1 = 50%

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: 2299
Result: 0/1 = 0%

A11 English, Caro-Kann Defensive System (1.c4 c6)
Average Elo: 2332
Result: 0/1 = 0%

B13 Caro-Kann, Exchange (1.e4 c6 2.d4 d5 3.exd5 cxd5)
Average Elo: 2233
Result: ½/1 = 50%

D28 Queen's Gambit Accepted, Classical (1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.Qe2)
Average Elo: 2315
Result: 0/1 = 0%

A07 King's Indian Attack (1.Nf3 d5 2.g3)
Average Elo: 2241
Result: ½/1 = 50%

E33 Nimzo-Indian, Classical (1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 Nc6)
Average Elo: 2087
Result: 0/1 = 0%

C01 French, Exchange (1.e4 e6 2.d4 d5 3.exd5 exd5 4.Nc3 Nf6 5.Bg5)
Average Elo: 2190
Result: 0/1 = 0%

E04 Catalan, Open, 5.Nf3 (1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3)
Average Elo: 2106
Result: ½/1 = 50%

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: 2105
Result: ½/1 = 50%

C24 Bishop's Opening (1.e4 e5 2.Bc4 Nf6)
Average Elo: 2208
Result: ½/1 = 50%

B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack (1.e4 c5 2.Nf3 d6 3.Bb5+)
Average Elo: 2301
Result: 0/1 = 0%

E05 Catalan, Open, Classical line (1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 Be7)
Average Elo: 2120
Result: 0/1 = 0%

D02 Queen's Pawn Game (1.d4 d5 2.Nf3)
Average Elo: 2430
Result: 0/1 = 0%

C43 Petrov, Modern Attack (1.e4 e5 2.Nf3 Nf6 3.d4 exd4 4.e5 Ne4 5.Qxd4)
Average Elo: 1830
Result: 1/1 = 100%