Player Profile

Jonathan Westerberg GM

jonathanwesterberg Stockholm Since 2008 (Active) Chess.com ♟♟♟♟♟

61.0% W 31.2% L 7.8% D

Bullet

2804

2621W 1398L 305D

Blitz

2758

2077W 1119L 303D

Rapid

2617

399W 87L 49D

Daily

1448

17W 8L 0D

Openings: Most Played

Piece

Time Control

Blitz Opening	Games	Record	Win Rate
Sicilian Defense: Closed	196	116 / 64 / 16	59.2%
Sicilian Defense: Alapin Variation	131	68 / 52 / 11	51.9%
Caro-Kann Defense	126	74 / 45 / 7	58.7%
Four Knights Game	125	68 / 38 / 19	54.4%
Sicilian Defense: Taimanov Variation, American Attack	108	60 / 32 / 16	55.6%
Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation	87	54 / 22 / 11	62.1%
English Opening: Agincourt Defense	76	41 / 29 / 6	54.0%
QGA: 3.e3 c5	74	41 / 22 / 11	55.4%
Czech Defense	74	48 / 21 / 5	64.9%
Sicilian Defense	61	37 / 21 / 3	60.7%

Bullet Opening	Games	Record	Win Rate
Sicilian Defense: Closed	280	181 / 81 / 18	64.6%
Caro-Kann Defense	263	159 / 83 / 21	60.5%
Scandinavian Defense	216	138 / 62 / 16	63.9%
Modern	141	76 / 55 / 10	53.9%
Amar Gambit	141	98 / 33 / 10	69.5%
Colle System: Rhamphorhynchus Variation	135	76 / 52 / 7	56.3%
Czech Defense	119	78 / 29 / 12	65.5%
Nimzo-Larsen Attack	112	67 / 40 / 5	59.8%
Benoni Defense: Benoni Gambit Accepted	112	66 / 38 / 8	58.9%
Four Knights Game	111	67 / 34 / 10	60.4%

Rapid Opening	Games	Record	Win Rate
Four Knights Game	41	29 / 7 / 5	70.7%
Caro-Kann Defense	39	29 / 6 / 4	74.4%
Sicilian Defense: Closed	35	29 / 3 / 3	82.9%
Sicilian Defense: Alapin Variation	29	20 / 4 / 5	69.0%
Sicilian Defense: Taimanov Variation, American Attack	27	18 / 7 / 2	66.7%
QGA: 3.e3 c5	25	23 / 1 / 1	92.0%
Scandinavian Defense	20	19 / 1 / 0	95.0%
Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation	19	10 / 7 / 2	52.6%
Sicilian Defense: Closed, Anti-Sveshnikov Variation, Kharlov-Kramnik Line	17	11 / 2 / 4	64.7%
Amazon Attack	17	14 / 1 / 2	82.3%

Daily Opening	Games	Record	Win Rate
Scotch Game	3	2 / 1 / 0	66.7%
French Defense: Advance Variation	2	2 / 0 / 0	100.0%
Sicilian Defense: Closed, Anti-Sveshnikov Variation, Kharlov-Kramnik Line	2	1 / 1 / 0	50.0%
Sicilian Defense: Alapin Variation	1	1 / 0 / 0	100.0%
Sicilian Defense: Closed	1	1 / 0 / 0	100.0%
Scandinavian Defense	1	1 / 0 / 0	100.0%
Four Knights Game: Spanish Variation	1	1 / 0 / 0	100.0%
Sicilian Defense: Alapin Variation, Sherzer Variation	1	1 / 0 / 0	100.0%
Dutch Defense	1	1 / 0 / 0	100.0%
Hungarian Opening: Wiedenhagen-Beta Gambit	1	1 / 0 / 0	100.0%

Blitz Opening	Games	Record	Win Rate
Sicilian Defense: Closed	135	86 / 40 / 9	63.7%
Four Knights Game	123	67 / 37 / 19	54.5%
Caro-Kann Defense	90	59 / 25 / 6	65.6%
Sicilian Defense: Alapin Variation	71	36 / 27 / 8	50.7%
Czech Defense	50	33 / 13 / 4	66.0%
Scandinavian Defense	45	27 / 14 / 4	60.0%
Modern	40	29 / 10 / 1	72.5%
French Defense: Exchange Variation	38	19 / 15 / 4	50.0%
Sicilian Defense	38	25 / 10 / 3	65.8%
Barnes Defense	36	26 / 10 / 0	72.2%

Bullet Opening	Games	Record	Win Rate
Sicilian Defense: Closed	231	149 / 67 / 15	64.5%
Caro-Kann Defense	171	116 / 44 / 11	67.8%
Four Knights Game	111	67 / 34 / 10	60.4%
Modern	89	43 / 37 / 9	48.3%
Scandinavian Defense	82	49 / 27 / 6	59.8%
Czech Defense	71	48 / 15 / 8	67.6%
Amar Gambit	63	42 / 17 / 4	66.7%
Nimzo-Larsen Attack	61	36 / 23 / 2	59.0%
French Defense: Classical Variation, Svenonius Variation	60	37 / 20 / 3	61.7%
Alekhine Defense	43	27 / 12 / 4	62.8%

Rapid Opening	Games	Record	Win Rate
Four Knights Game	41	29 / 7 / 5	70.7%
Caro-Kann Defense	33	27 / 4 / 2	81.8%
Sicilian Defense: Closed	27	24 / 2 / 1	88.9%
Scandinavian Defense	12	12 / 0 / 0	100.0%
Sicilian Defense: Closed, Anti-Sveshnikov Variation, Kharlov-Kramnik Line	9	6 / 1 / 2	66.7%
Sicilian Defense: Chekhover Variation	9	7 / 1 / 1	77.8%
Sicilian Defense: Alapin Variation	8	6 / 2 / 0	75.0%
Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation	7	5 / 2 / 0	71.4%
Sicilian Defense: Moscow Variation, Haag Gambit	5	2 / 2 / 1	40.0%
Czech Defense	5	4 / 1 / 0	80.0%

Daily Opening	Games	Record	Win Rate
Scotch Game	2	2 / 0 / 0	100.0%
Sicilian Defense: Closed	1	1 / 0 / 0	100.0%
Scandinavian Defense	1	1 / 0 / 0	100.0%
Four Knights Game: Spanish Variation	1	1 / 0 / 0	100.0%
Sicilian Defense: Alapin Variation, Sherzer Variation	1	1 / 0 / 0	100.0%
Barnes Defense	1	1 / 0 / 0	100.0%
Alekhine Defense	1	1 / 0 / 0	100.0%
Australian Defense	1	0 / 1 / 0	0.0%
Italian Game: Two Knights Defense	1	1 / 0 / 0	100.0%
KGA: Fischer, 4.Bc4	1	0 / 1 / 0	0.0%

Blitz Opening	Games	Record	Win Rate
Sicilian Defense: Taimanov Variation, American Attack	97	51 / 31 / 15	52.6%
QGA: 3.e3 c5	70	39 / 21 / 10	55.7%
Sicilian Defense: Closed	61	30 / 24 / 7	49.2%
Sicilian Defense: Alapin Variation	60	32 / 25 / 3	53.3%
English Opening: Agincourt Defense	59	30 / 23 / 6	50.9%
Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation	58	33 / 20 / 5	56.9%
Amazon Attack	44	22 / 15 / 7	50.0%
Amazon Attack: Siberian Attack	38	22 / 12 / 4	57.9%
Caro-Kann Defense	36	15 / 20 / 1	41.7%
QGA: 4.e3 a6	36	17 / 14 / 5	47.2%

Bullet Opening	Games	Record	Win Rate
Scandinavian Defense	134	89 / 35 / 10	66.4%
Colle System: Rhamphorhynchus Variation	101	56 / 40 / 5	55.5%
Benoni Defense: Benoni Gambit Accepted	93	55 / 33 / 5	59.1%
Caro-Kann Defense	92	43 / 39 / 10	46.7%
Amar Gambit	78	56 / 16 / 6	71.8%
Alekhine Defense	67	42 / 16 / 9	62.7%
Australian Defense	65	37 / 21 / 7	56.9%
Modern	52	33 / 18 / 1	63.5%
Sicilian Defense: Nimzowitsch Variation	52	31 / 15 / 6	59.6%
Nimzo-Larsen Attack	51	31 / 17 / 3	60.8%

Rapid Opening	Games	Record	Win Rate
QGA: 3.e3 c5	25	23 / 1 / 1	92.0%
Sicilian Defense: Taimanov Variation, American Attack	24	15 / 7 / 2	62.5%
Sicilian Defense: Alapin Variation	21	14 / 2 / 5	66.7%
Amazon Attack	15	12 / 1 / 2	80.0%
Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation	12	5 / 5 / 2	41.7%
English Opening: Agincourt Defense	10	8 / 2 / 0	80.0%
Bird Opening: Dutch Variation, Batavo Gambit	9	8 / 1 / 0	88.9%
Sicilian Defense: Closed	8	5 / 1 / 2	62.5%
Sicilian Defense: Closed, Anti-Sveshnikov Variation, Kharlov-Kramnik Line	8	5 / 1 / 2	62.5%
Scandinavian Defense	8	7 / 1 / 0	87.5%

Daily Opening	Games	Record	Win Rate
French Defense: Advance Variation	2	2 / 0 / 0	100.0%
Sicilian Defense: Closed, Anti-Sveshnikov Variation, Kharlov-Kramnik Line	2	1 / 1 / 0	50.0%
Sicilian Defense: Alapin Variation	1	1 / 0 / 0	100.0%
Dutch Defense	1	1 / 0 / 0	100.0%
Hungarian Opening: Wiedenhagen-Beta Gambit	1	1 / 0 / 0	100.0%
French Defense	1	1 / 0 / 0	100.0%
Bird Opening: Dutch Variation, Batavo Gambit	1	1 / 0 / 0	100.0%
Nimzo-Indian Defense: Three Knights Variation, Duchamp Variation	1	0 / 1 / 0	0.0%
Bishop's Opening: 3.d3	1	1 / 0 / 0	100.0%
Scotch Game	1	0 / 1 / 0	0.0%