Player profile

Boissel, Kasimir

Standard: 1995 Rapid: 2073 Blitz: 2033 (last updated 2026-11-02)

FIDE ID: 16298209 (view FIDE profile)

Federation: GER Sex: M Birth Year: 2005 Age: 21

Title: — Women's title: — Other title: — FOA title: —

Games: 31 Wins: 13 (42%) Draws: 10 (32%) Losses: 8 (26%)

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Dossier

23 of 31 games analyzed.

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Openings

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As White 11 games 7W 1D 3L

Benko Gambit 3 games 2W 0D 1L

(unspecified) 3 games 2W 0D 1L

Queen's Gambit Declined 2 games 0W 1D 1L

Queen's Knight Variation 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Janowski Variation 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

King's Indian Defense 1 game 1W 0D 0L

Normal Variation 1 game 1W 0D 0L

Standard Development 1 game 1W 0D 0L

Slav Defense 1 game 0W 0D 1L

Exchange Variation 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Slav Indian 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Indian Defense 1 game 1W 0D 0L

Anti-Nimzo-Indian 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Grünfeld Defense 1 game 1W 0D 0L

Exchange Variation 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Old Indian Defense 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

As Black 12 games 5W 3D 4L

French Defense 6 games 3W 2D 1L

Rubinstein Variation 2 games 0W 1D 1L

Blackburne Defense 2 games 0W 1D 1L

Exchange Variation 2 games 2W 0D 0L

(unspecified) 2 games 2W 0D 0L

(unspecified) 1 game 0W 1D 0L

King's Indian Attack 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Rapport-Jobava System 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Queen's Gambit Declined 1 game 0W 0D 1L

Janowski Variation 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Queen's Pawn Game 1 game 1W 0D 0L

Accelerated London System 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

King's Indian Attack, with e6 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

King's Indian Attack 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

English Opening 1 game 0W 1D 0L

Agincourt Defense 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

Blunders Top 4 of 98

This player's costliest moves in analyzed games. Can you find the winning move?

2025.11.22 · 44. Rf3 (−78.8% win chance) 1-0

Litvinov, Ivan

Boissel, Kasimir

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2024.11.30 · 31... Kg8 (−40.7% win chance) 1/2-1/2

Boissel, Kasimir

Bitan, Banerjee

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2024.11.30 · 29... Kg8 (−39.2% win chance) 1/2-1/2

Boissel, Kasimir

Bitan, Banerjee

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2025.11.23 · 21. Bg5 (−22% win chance) 0-1

Nordmeier, Jan

Boissel, Kasimir

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View blunders & mistakes

Games Showing all 31 games

Date	Event	Round	Opponent	Result	Accuracy %	First moves
2026.09.06	Memorial Ronald Decrop 2026	8.6	2026.09.06 Meessen, Rudolf (202029) (2231)	0	89.90%	1. d4 d5 2. Nc3 Nf6 3. Bf4 c5
2026.09.06	Memorial Ronald Decrop 2026	7.11	2026.09.06 Battistelli, Fausto (267732) (2121)	1	91.80%	1. d4 Nf6 2. c4 g6 3. Nc3 Bg7
2026.09.06	Memorial Ronald Decrop 2026	4.11	2026.09.06 Nguyen, Khoi (272540) (2026)	0	91.60%	1. d4 d5 2. c4 e6 3. Nc3 a6
2026.09.06	Memorial Ronald Decrop 2026	2.2	2026.09.06 Bellahcene, Bilel (696358) (2573)	½	98.40%	1. e4 e6 2. d4 d5
2025.11.23	Round 4: Boissel, Kasimir - Nordmeier, Jan	4.63	2025.11.23 Nordmeier, Jan (533061033)	0	88.40%	1. d4 c6 2. c4 d5 3. cxd5 cxd5
2025.11.23	Round 3: Boissel, Kasimir - Thimme, Florian	3.14	2025.11.23 Thimme, Florian (533049513)	1	95.80%	1. d4 c6 2. c4 Nf6 3. Nc3 g6
2025.11.23	Round 2: Bashirov, Mahammad - Boissel, Kasimir	2.62	2025.11.23 Bashirov, Mahammad (13491555)	0	95.70%	1. e4 e6 2. d4 d5 3. Nc3 dxe4
2025.11.22	Round 9: Kurley, Roman - Boissel, Kasimir	9.49	2025.11.22 Kurley, Roman (16264789) (1846)	1	95.80%	1. d4 d5 2. Bf4 e6 3. e3 Bd6
2025.11.22	Round 8: Boissel, Kasimir - Litvinov, Ivan	8.37	2025.11.22 Litvinov, Ivan (14149729) (1815)	1	59.80%	1. d4 Nf6 2. c4 c5 3. d5 b5
2025.11.22	Round 7: Boissel, Kasimir - Hartge, Gedeon	7.14	2025.11.22 Hartge, Gedeon (12932116) (2246)	0	81.70%	1. d4 Nf6 2. c4 c5 3. d5 b5
2025.11.22	Round 6: Elier, Ali - Boissel, Kasimir	6.12	2025.11.22 Elier, Ali (16217543) (2251)	½	94.30%	1. e4 e6 2. d4 d5 3. Nd2 dxe4
2025.11.22	Round 5: Boder, Jan - Boissel, Kasimir	5.6	2025.11.22 Boder, Jan (16243226) (2249)	0	85.30%	1. Nf3 d5 2. g3 e6 3. Bg2 Nf6
2025.11.22	Round 4: Boissel, Kasimir - Woelk, Tom-Frederic	4.13	2025.11.22 Woelk, Tom-Frederic (12993077) (2217)	1	97.50%	1. d4 Nf6 2. c4 e6 3. Nf3 c5
2025.11.22	Round 3: Boissel, Kasimir - Wong, Gengchun	3.9	2025.11.22 Wong, Gengchun (12963283) (2298)	1	89.10%	1. d4 Nf6 2. c4 g6 3. Nc3 d5
2025.11.22	Round 2: Kosak, Karolina - Boissel, Kasimir	2.49	2025.11.22 Kosak, Karolina (14640503) (1796)	1	91.00%	1. e4 e6 2. d3 b6 3. Nd2 Bb7
2025.11.22	Round 1: Boissel, Kasimir - Maalavigaa R	1.50	2025.11.22 Maalavigaa R (35074296)	1	87.10%	1. d4 Nf6 2. c4 d6 3. g3 g6
2024.11.30	Round 7: Abed, Karim - Boissel, Kasimir	7.11	2024.11.30 Abed, Karim (16242785) (1936)	1	94.90%	1. Nf3 Nf6 2. g3 d5 3. Bg2 Bg4
2024.11.30	Round 6: Boissel, Kasimir - Wagner, Benjamin	6.5	2024.11.30 Wagner, Benjamin (12957330) (2220)	0	70.20%	1. d4 d5 2. c4 e6 3. Nc3 Bb4
2024.11.30	Round 5: Mousseau, Leo - Boissel, Kasimir	5.14	2024.11.30 Mousseau, Leo (34666931) (1887)	1	95.40%	1. e4 e6 2. d4 d5 3. exd5 exd5
2024.11.30	Round 4: Boissel, Kasimir - Ilonczai, Levente-David	4.9	2024.11.30 Ilonczai, Levente-David (1230190) (2080)	½	87.10%	1. d4 d5 2. c4 e6 3. Nc3 a6
2024.11.30	Round 3: Bitan, Banerjee - Boissel, Kasimir	3.2	2024.11.30 Bitan, Banerjee (5024803)	½	73.00%	1. c4 e6 2. Nf3 d5 3. e3 Nf6
2024.11.30	Round 2: Boissel, Kasimir - Schulze, Lukas	2.19	2024.11.30 Schulze, Lukas (12956856) (1722)	1	97.30%	1. d4 Nf6 2. c4 c5 3. d5 b5
2024.11.30	Round 1: Dieterich, Henri - Boissel, Kasimir	1.18	2024.11.30 Dieterich, Henri (34671293)	1	90.10%	1. e4 e6 2. d4 d5 3. exd5 exd5
????.??.??	Round 8: Dreelinck, Adriaan - Boissel, Kasimir	8.3	????.??.?? Dreelinck, Adriaan (250503) (2208)	0	-	1. e4 e6 2. d4 d5 3. Nc3 Bb4
????.??.??	Round 7: Vanduyfhuys, Igor - Boissel, Kasimir	7.4	????.??.?? Vanduyfhuys, Igor (246212) (1974)	½	-	1. e4 e6 2. d4 d5 3. Nc3 dxe4
????.??.??	Round 6: Boissel, Kasimir - Raats, Joppe	6.2	????.??.?? Raats, Joppe (238902) (2214)	½	-	1. d4 Nf6 2. c4 e6 3. Nf3 b6
????.??.??	Round 5: Boissel, Kasimir - Van Hoey, Luca	5.4	????.??.?? Van Hoey, Luca (270814) (1690)	½	-	1. Nf3 f5 2. e4 fxe4 3. Ng5 d5
????.??.??	Round 4: De Rycke, Tyani - Boissel, Kasimir	4.3	????.??.?? De Rycke, Tyani (247936) (2110)	½	-	1. e4 e6 2. d4 d5 3. exd5 exd5
????.??.??	Round 3: Boissel, Kasimir - Woussen, Warre	3.6	????.??.?? Woussen, Warre (294322) (1497)	1	-	1. d4 Nf6 2. c4 g6 3. Nc3 d5
????.??.??	Round 2: Frere, Eugene - Boissel, Kasimir	2.6	????.??.?? Frere, Eugene (258920) (1755)	½	-	1. d4 Nf6 2. c4 e6 3. Nc3 d5
????.??.??	Round 1: Boissel, Kasimir - Heldenbergh, Nils	1.1	????.??.?? Heldenbergh, Nils (246387) (2222)	½	-	1. d4 d5 2. c4 e6 3. Nc3 a6