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Player Profile

Player:

(Eg: Carlsen,Magnus)

Antal, Jakub



FIDE:	FIDE Card
Years:	2014-2022
Number of games:	196
Number of wins:	67
Number of draws:	58
Number of losses:	71
White score:	51½/99 (52.02% - Average Elo: 1820.21)
Black score:	44½/97 (45.88% - Average Elo: 1857.66)

Rating progression

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

Top wins

Antal, Jakub (2452) - Andersen, Cl (2461), Gligoric Trophy Gp D 2023, Belgrade SRB (C41) - 2021

Antal, Jakub (2452) - Ammor, Hicham (2317), Gligoric Trophy Gp D 2023, Belgrade SRB (E69) - 2021

Antal, Jakub (2452) - Bologan, V (2285), Gligoric Trophy Gp D 2023, Belgrade SRB (A13) - 2021

Bursztyn, Ioshua (2409) - Antal, Jakub (2452), Gligoric Trophy Gp D 2023, Belgrade SRB (A04) - 2021

Arca, Christian Gian Karl (2327) - Antal, Jakub (2452), Gligoric Trophy Gp D 2023, Belgrade SRB (A45) - 2021

Szucs, Vladimir (2168) - Antal, Jakub (1852), Liptovsky Jan Slovak op U2200, Liptovsky Jan (A59) - 2021

Antal, Jakub - ? (87)

Ferencak, Jakub (1½/3)

Gyerpal, Adrian (1/3)

Banas, Matus (2/2)

Bango, Lukas (0/2)

Furman, Slavomir (1½/2)

Viczencz, Peter (1/2)

Akash, G (0/1)

Ammor, Hicham (1/1)

Andersen, Cl (1/1)

Angelovic, Adrian (1/1)

Antal, Lubomir (1/1)

Appelt, G (1/1)

Balazs, Attila2 (½/1)

Banas, Jan (1/1)

Bitkova, Jelizaveta (½/1)

Blazek, Matej (½/1)

Bochnicka, Vladimir (0/1)

Bochnickova, Andrea (1/1)

Bologan, V (1/1)

Brnusak, Andrej (0/1)

Caballero Alonzo, Alexa (1/1)

Cerny, David (0/1)

Delgerdalai, Bayarjavkhlan (1/1)

Gajdosik, Andrej (½/1)

Ihnat, Anton (1/1)

Ihnat, Marek1 (½/1)

Istok, Vojtech (½/1)

Jencopala, Alexander (½/1)

Jurcisin, Imrich (½/1)

Kanassy, Martin (½/1)

Kiraly, Pavol (0/1)

Koscak, Julian (1/1)

Krajnak, Juraj (0/1)

Krajnik, Richard (1/1)

Kratochvil, Karel (0/1)

Kubikova, Nina (1/1)

Lazo, Juraj (½/1)

Lihosith, Peter (0/1)

Marcinczyk, Monika (0/1)

Matis, Tibor (1/1)

Melaa, Sondre Lillestol (0/1)

Minda, Bohus (0/1)

Nagy, Ladislav1 (0/1)

Neshev, Nikola (1/1)

Olsavsky, Peter (0/1)

Ongut, Tamas Gunes (½/1)

Pejko, Otomar (½/1)

Petrek, David (1/1)

Ralbovsky, Dominik (1/1)

Repasky, Karol (0/1)

Rybackova, Lucie (½/1)

Sabol, Jan (0/1)

Schmidt, Peter3 (1/1)

Sedlak, Mikulas (1/1)

Sedmak, Viktor (1/1)

Shilov, Sergej (0/1)

Skurniak, Szymon (½/1)

Slivka, Vasil (1/1)

Spik, Peter (1/1)

Sremanak, Slavomir (0/1)

Stauder, Matej (0/1)

Steiniger, Florian (½/1)

Sutak, Andrej (1/1)

Tropp, F (1/1)

Tropp, Frantisek (0/1)

Turcan, Richard (½/1)

Ucekajova, Veronika (0/1)

Vadila, Ondrej (½/1)

Vanco, Michal (1/1)

Verbovsky, Michal (1/1)

Veres, Simon (1/1)

Vlcek, Adam (1/1)

Zetocha, Adrian (½/1)

Zumrik, Marek (1/1)

? - Antal, Jakub (88)

Valko, Michal (3/3)

Viczencz, Peter (2½/3)

Strapec, Lukas (1½/2)

Amin-Erdene, Bayanmunkh (0/1)

Andries, Leia (0/1)

Angelovic, Adrian (½/1)

Arca, Christian Gian Karl (1/1)

Bursztyn, Ioshua (1/1)

Goldberger, Pavol (1/1)

Grutter, Tim (½/1)

Gupta, Utkarsh (0/1)

Gyerpal, Adrian (½/1)

Gyuricsek, Szilard (1/1)

Jakubco, Stefan (1/1)

Janurik, Michal (1/1)

Jurcisin, Imrich (0/1)

Kalisky, Vladimir (0/1)

Lazniewski, Tadeusz (½/1)

Lehocz, Jozsef Jr (1/1)

Lenko, Vasil (1/1)

Lihosith, Peter (0/1)

Likatavicius, Rapolas (½/1)

Nandrazi, Artur (0/1)

Ondo, Tomas (½/1)

Osadsky, Jan (1/1)

Paluch, Ladislav (½/1)

Sarkozi, Szabolcs (0/1)

Starzec, Juraj (½/1)

Stastny, Jakub (½/1)

Steiniger, Florian (½/1)

Szaszak, Matej (1/1)

Szucs, Vladimir (1/1)

Tauber, Marek (1/1)

Tokarcikova, Diana (½/1)

Tomcikova, Dominika (1/1)

Turcan, Richard (0/1)

Ucekaj, Ladislav (1/1)

Vadila, Ondrej (½/1)

Varga, Lukas (0/1)

Verbovsky, Michal (0/1)

Vokac, Marek (0/1)

Vrablik, Miroslav (0/1)

Zahorcek, Jakub (1/1)

Zambor, Norbert (0/1)

Zdrazil, Patrik (1/1)

Zelnik, Simon (1/1)

Zetocha, Adrian (0/1)

Zido, Peter (0/1)

Zrost, Rudolf (1/1)

Openings played as White (54)

C55 Two Knights Defense (1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6)
Average Elo: 1873
Result: 4½/8 = 56.25%

C54 Giuoco Piano (1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4)
Average Elo: 1838.71
Result: 3½/7 = 50%

A06 Reti Opening (1.Nf3 d5)
Average Elo: 1898.2
Result: 3/5 = 60%

C45 Scotch Game (1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4)
Average Elo: 1193.5
Result: 2/4 = 50%

B01 Scandinavian (1.e4 d5)
Average Elo: 1659.67
Result: 2½/3 = 83.33%

A28 English (1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6)
Average Elo: 1531.67
Result: 2/3 = 66.67%

B10 Caro-Kann (1.e4 c6)
Average Elo: 1662.33
Result: 2/3 = 66.67%

B20 Sicilian (1.e4 c5)
Average Elo: 1849.67
Result: 2½/3 = 83.33%

A30 English, Symmetrical (1.c4 c5)
Average Elo: 1887
Result: 2/3 = 66.67%

B38 Sicilian, Accelerated Fianchetto, Maroczy Bind, 6.Be3 (1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Bg7 6.Be3)
Average Elo: 2056.67
Result: 1½/3 = 50%

C07 French, Tarrasch (1.e4 e6 2.d4 d5 3.Nd2 c5)
Average Elo: 1976.67
Result: 0/3 = 0%

A09 Reti Opening (1.Nf3 d5 2.c4)
Average Elo: 2044
Result: ½/2 = 25%

B48 Sicilian, Taimanov Variation (1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Be3)
Average Elo: 1796.5
Result: 1/2 = 50%

B34 Sicilian, Accelerated Fianchetto (1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nxc6)
Average Elo: 1711.5
Result: 0/2 = 0%

B08 Pirc, Classical (1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3)
Average Elo: 1851.5
Result: ½/2 = 25%

A12 English with b3 (1.c4 c6 2.Nf3 d5 3.b3)
Average Elo: 1852.5
Result: 1½/2 = 75%

C05 French, Tarrasch (1.e4 e6 2.d4 d5 3.Nd2 Nf6)
Average Elo: 2084
Result: 1/2 = 50%

A34 English, Symmetrical (1.c4 c5 2.Nc3)
Average Elo: 1819
Result: 1½/2 = 75%

A38 English, Symmetrical (1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6)
Average Elo: 1936
Result: 1½/2 = 75%

B02 Alekhine's Defense (1.e4 Nf6)
Average Elo: 1979
Result: 0/2 = 0%

D42 Queen's Gambit Declined, Semi-Tarrasch, 7.Bd3 (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5 Nxd5 6.e3 Nc6 7.Bd3)
Average Elo: 2140.5
Result: ½/2 = 25%

B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack (1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7)
Average Elo: 1989
Result: ½/2 = 25%

E69 King's Indian, Fianchetto, Classical Main line (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nbd7 7.O-O e5 8.e4 c6 9.h3)
Average Elo: 2317
Result: 1/1 = 100%

C41 Philidor Defense (1.e4 e5 2.Nf3 d6)
Average Elo: 2461
Result: 1/1 = 100%

A05 Reti Opening (1.Nf3 Nf6)
Average Elo: 2123
Result: 1/1 = 100%

B00 Uncommon King's Pawn Opening (1.e4)
Average Elo: 2215
Result: 1/1 = 100%

E70 King's Indian (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4)
Average Elo: 1838
Result: 0/1 = 0%

B32 Sicilian (1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e5)
Average Elo: 2151
Result: 0/1 = 0%

A13 English (1.c4 e6)
Average Elo: 2285
Result: 1/1 = 100%

D79 Neo-Grunfeld, 6.O-O, Main line (1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.O-O c6 7.cxd5 cxd5)
Average Elo: 1822
Result: 0/1 = 0%

A31 English, Symmetrical, Benoni Formation (1.c4 c5 2.Nf3 Nf6 3.d4)
Average Elo: 2090
Result: 0/1 = 0%

A16 English (1.c4 Nf6 2.Nc3)
Average Elo: 1984
Result: 1/1 = 100%

D40 Queen's Gambit Declined, Semi-Tarrasch (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5)
Average Elo: 1846
Result: 0/1 = 0%

B50 Sicilian (1.e4 c5 2.Nf3 d6)
Average Elo: 1000
Result: 1/1 = 100%

A49 King's Indian, Fianchetto without c4 (1.d4 Nf6 2.Nf3 g6 3.g3)
Average Elo: 1617
Result: ½/1 = 50%

A37 English, Symmetrical (1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3)
Average Elo: 1342
Result: 1/1 = 100%

A53 Old Indian (1.d4 Nf6 2.c4 d6)
Average Elo: 1863
Result: 0/1 = 0%

C00 French Defense (1.e4 e6)
Average Elo: 1671
Result: 0/1 = 0%

B33 Sicilian (1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4)
Average Elo: 1884
Result: 1/1 = 100%

A15 English (1.c4 Nf6)
Average Elo: 1675
Result: 1/1 = 100%

C10 French (1.e4 e6 2.d4 d5 3.Nc3)
Average Elo: 1691
Result: 0/1 = 0%

C02 French, Advance (1.e4 e6 2.d4 d5 3.e5)
Average Elo: 1519
Result: 0/1 = 0%

A22 English (1.c4 e5 2.Nc3 Nf6)
Average Elo: 1635
Result: 1/1 = 100%

D02 Queen's Pawn Game (1.d4 d5 2.Nf3)
Average Elo: 1784
Result: 0/1 = 0%

B95 Sicilian, Najdorf, 6...e6 (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6)
Average Elo: 1830
Result: 0/1 = 0%

B70 Sicilian, Dragon Variation (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6)
Average Elo: 2238
Result: 0/1 = 0%

B80 Sicilian, Scheveningen (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6)
Average Elo: 1881
Result: ½/1 = 50%

C50 Giuoco Piano (1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5)
Average Elo: 1000
Result: 1/1 = 100%

B42 Sicilian, Kan (1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3)
Average Elo: 1630
Result: ½/1 = 50%

A29 English, Four Knights, Kingside Fianchetto (1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3)
Average Elo: 1995
Result: 1/1 = 100%

C23 Bishop's Opening (1.e4 e5 2.Bc4)
Average Elo: 1000
Result: 1/1 = 100%

B30 Sicilian (1.e4 c5 2.Nf3 Nc6)
Average Elo: 1711
Result: 1/1 = 100%

B40 Sicilian (1.e4 c5 2.Nf3 e6)
Average Elo: 1868
Result: ½/1 = 50%

B84 Sicilian, Scheveningen (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 a6)
Average Elo: 1837
Result: ½/1 = 50%

Openings played as Black (53)

B36 Sicilian, Accelerated Fianchetto (1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4)
Average Elo: 1894.33
Result: 2/6 = 33.33%

B34 Sicilian, Accelerated Fianchetto (1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nxc6)
Average Elo: 1828.33
Result: 2½/6 = 41.67%

A59 Benko Gambit (1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 Bxa6 6.Nc3 d6 7.e4)
Average Elo: 1876.75
Result: 2½/4 = 62.5%

A57 Benko Gambit (1.d4 Nf6 2.c4 c5 3.d5 b5)
Average Elo: 1859.25
Result: 2/4 = 50%

B30 Sicilian (1.e4 c5 2.Nf3 Nc6)
Average Elo: 1751.5
Result: 4/4 = 100%

A39 English, Symmetrical, Main line with d4 (1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d4)
Average Elo: 2077
Result: 2/4 = 50%

B03 Alekhine's Defense (1.e4 Nf6 2.e5 Nd5 3.d4)
Average Elo: 2002.25
Result: ½/4 = 12.5%

B02 Alekhine's Defense (1.e4 Nf6)
Average Elo: 1736.5
Result: 2/4 = 50%

A48 King's Indian (1.d4 Nf6 2.Nf3 g6)
Average Elo: 1602.33
Result: 1½/3 = 50%

B22 Sicilian, Alapin (1.e4 c5 2.c3)
Average Elo: 1947
Result: ½/3 = 16.67%

B04 Alekhine's Defense, Modern (1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3)
Average Elo: 1892.67
Result: 1/3 = 33.33%

C50 Giuoco Piano (1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5)
Average Elo: 1606
Result: 1½/2 = 75%

B40 Sicilian (1.e4 c5 2.Nf3 e6)
Average Elo: 1539
Result: 1/2 = 50%

B77 Sicilian, Dragon, Yugoslav Attack (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6 9.Bc4)
Average Elo: 1906.5
Result: 1/2 = 50%

B20 Sicilian (1.e4 c5)
Average Elo: 1502.5
Result: 1½/2 = 75%

A31 English, Symmetrical, Benoni Formation (1.c4 c5 2.Nf3 Nf6 3.d4)
Average Elo: 2032.5
Result: 1/2 = 50%

A38 English, Symmetrical (1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6)
Average Elo: 1951.5
Result: 0/2 = 0%

D01 Richter-Veresov Attack (1.d4 d5 2.Nc3 Nf6 3.Bg5)
Average Elo: 2088
Result: 0/2 = 0%

B73 Sicilian, Dragon, Classical (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6 8.O-O)
Average Elo: 1690
Result: ½/2 = 25%

A04 Reti Opening (1.Nf3)
Average Elo: 2217
Result: 2/2 = 100%

B35 Sicilian, Accelerated Fianchetto, Modern Variation with Bc4 (1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 Nf6 7.Bc4)
Average Elo: 1615
Result: 2/2 = 100%

D02 Queen's Pawn Game (1.d4 d5 2.Nf3)
Average Elo: 1000
Result: ½/1 = 50%

C62 Ruy Lopez, Old Steinitz Defense (1.e4 e5 2.Nf3 Nc6 3.Bb5 d6)
Average Elo: 1594
Result: ½/1 = 50%

B00 Uncommon King's Pawn Opening (1.e4)
Average Elo: 1190
Result: 1/1 = 100%

A56 Benoni Defense (1.d4 Nf6 2.c4 c5)
Average Elo: 1281
Result: 0/1 = 0%

D30 Queen's Gambit Declined (1.d4 d5 2.c4 e6)
Average Elo: 1814
Result: 1/1 = 100%

C41 Philidor Defense (1.e4 e5 2.Nf3 d6)
Average Elo: 1596
Result: 1/1 = 100%

C01 French, Exchange (1.e4 e6 2.d4 d5 3.exd5 exd5 4.Nc3 Nf6 5.Bg5)
Average Elo: 1746
Result: 0/1 = 0%

B23 Sicilian, Closed (1.e4 c5 2.Nc3)
Average Elo: 2147
Result: 0/1 = 0%

B24 Sicilian, Closed (1.e4 c5 2.Nc3 Nc6 3.g3)
Average Elo: 1909
Result: 0/1 = 0%

A37 English, Symmetrical (1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3)
Average Elo: 1321
Result: 1/1 = 100%

D03 Torre Attack (Tartakower Variation) (1.d4 d5 2.Nf3 Nf6 3.Bg5)
Average Elo: 2073
Result: 0/1 = 0%

A08 King's Indian Attack (1.Nf3 d5 2.g3 c5 3.Bg2)
Average Elo: 1806
Result: 1/1 = 100%

A02 Bird's Opening (1.f4)
Average Elo: 1683
Result: 1/1 = 100%

D78 Neo-Grunfeld, 6.O-O c6 (1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.O-O c6)
Average Elo: 2220
Result: 0/1 = 0%

B37 Sicilian, Accelerated Fianchetto (1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Bg7)
Average Elo: 1923
Result: ½/1 = 50%

B31 Sicilian, Rossolimo Variation (1.e4 c5 2.Nf3 Nc6 3.Bb5 g6)
Average Elo: 2235
Result: 0/1 = 0%

B56 Sicilian (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3)
Average Elo: 1814
Result: ½/1 = 50%

A01 Nimzovich-Larsen Attack (1.b3)
Average Elo: 2047
Result: 0/1 = 0%

B70 Sicilian, Dragon Variation (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6)
Average Elo: 1574
Result: 1/1 = 100%

B38 Sicilian, Accelerated Fianchetto, Maroczy Bind, 6.Be3 (1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Bg7 6.Be3)
Average Elo: 2055
Result: ½/1 = 50%

B78 Sicilian, Dragon, Yugoslav Attack, 10.castle long (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6 9.Bc4 Bd7 10.O-O-O)
Average Elo: 2309
Result: 0/1 = 0%

B72 Sicilian, Dragon (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3)
Average Elo: 1379
Result: 0/1 = 0%

B06 Robatsch (1.e4 g6)
Average Elo: 1903
Result: ½/1 = 50%

E61 King's Indian (1.d4 Nf6 2.c4 g6 3.Nc3)
Average Elo: 1919
Result: ½/1 = 50%

B08 Pirc, Classical (1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3)
Average Elo: 1794
Result: 0/1 = 0%

C44 King's Pawn Game (1.e4 e5 2.Nf3 Nc6)
Average Elo: 2078
Result: 1/1 = 100%

B25 Sicilian, Closed (1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6)
Average Elo: 2167
Result: 0/1 = 0%

A30 English, Symmetrical (1.c4 c5)
Average Elo: 2370
Result: 0/1 = 0%

E91 King's Indian (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2)
Average Elo: 2241
Result: ½/1 = 50%

B14 Caro-Kann, Panov-Botvinnik Attack (1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 e6)
Average Elo: 2076
Result: 0/1 = 0%

A45 Queen's Pawn Game (1.d4 Nf6)
Average Elo: 2327
Result: 1/1 = 100%

B33 Sicilian (1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4)
Average Elo: 2431
Result: ½/1 = 50%