2+1 • Bullet • Rated 3 weeks agodjenggotmerah1845 −5kosiakof1875? +36White resigned • Black is victoriousKing's Gambit Accepted: Mason-Keres Gambit1. e4 e5 2. f4 exf4 3. Nc3 d6 ... 13 moves
2+1 • Bullet • Rated 3 weeks agocatallan2008 +4kosiakof1906? −31Black time out • White is victoriousQueen's Pawn Game: Symmetrical Variation1. d4 d5 2. Nf3 Nf6 3. Nbd2 c5 ... 23 moves
10+0 • From Position • Casual 1 year agokosiakof1687?Stockfish level 8Checkmate • White is victorious1. f7 Kxf7 2. Kd5 Ke7 3. Ke5 Kd7 ... 24 moves
3+2 • Blitz • Rated 1 year agokosiakof2030 +26idamvalam692001 −5Black time out • White is victoriousFrench Defense: Tarrasch Variation, Open System1. e4 e6 2. d4 d5 3. Nd2 c5 ... 28 moves Computer analysis available
3+2 • Blitz • Rated 1 year agotziakas1958 −5kosiakof2003 +27White resigned • Black is victoriousBishop's Opening: Ponziani Gambit1. e4 e5 2. Bc4 Nf6 3. d4 exd4 ... 43 moves
3+2 • Blitz • Rated 1 year agokosiakof1965? +38Ali_Gatee2013 −6Black resigned • White is victoriousScotch Game: Benima Defense1. e4 e5 2. Nf3 Nc6 3. d4 exd4 ... 25 moves
3+2 • Blitz • Rated 1 year agoCorniek2012 +5kosiakof2000? −35Black resigned • White is victoriousSlav Defense: Exchange Variation1. d4 d5 2. c4 c6 3. cxd5 cxd5 ... 11 moves
5+0 • Blitz • Casual 1 year agokosiakof2000Andrea_Investment1500?Black resigned • White is victoriousScandinavian Defense: Valencian Variation1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 ... 21 moves
One day • Correspondence • Casual 1 year agoAldoniusz2240kosiakof2289?Black resigned • White is victoriousSlav Defense: Czech Variation, Dutch Variation1. d4 d5 2. c4 c6 3. Nc3 Nf6 ... 23 moves
One day • Correspondence • Rated 2 years agokosiakof2184? +51Kleifi2202 −9Black resigned • White is victoriousItalian Game: Classical Variation, Giuoco Pianissimo1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 ... 18 moves
One day • Correspondence • Rated 2 years agorandom-walking2030 −3kosiakof2184? +22White resigned • Black is victoriousSlav Defense: Alekhine Variation1. d4 d5 2. c4 c6 3. Nc3 Nf6 ... 38 moves Computer analysis available
3 days • Correspondence • Rated 2 years agokosiakof2184? +32Carlos_Fuentes2019 −3Black resigned • White is victoriousFrench Defense: Tarrasch Variation, Closed Variation1. e4 e6 2. d4 d5 3. Nd2 Nf6 ... 27 moves