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Player Profile
Player:
(Eg:
Carlsen,Magnus
)
Duckworth, William Mark
Years
:
1981-2017
Number of games
:
162
Number of wins
:
55
Number of draws
:
48
Number of losses
:
59
White score
:
46/83 (55.42% - Average Elo: 2273.76)
Black score
:
33/79 (41.77% - Average Elo: 2282.35)
Rating progression
Games
White wins
White draws
White losses
Black wins
Black draws
Black losses
Top wins
Duckworth, William Mark (2330) - Remlinger, Larry (2465), American op, Los Angeles (E77) - 1995
Duckworth, William Mark (2330) - Fedorov, Vladislav (2445), American op, Los Angeles (B07) - 1995
Duckworth, William Mark (2256) - Kalantaryan, Norayr (2412), Los Angeles Metropolitan 25th, Los Angeles (B00) - 2013
Schroer, Jonathan (2395) - Duckworth, William Mark (2295), Fishbecks, Pasadena (E80) - 1992
Thinnsen, James A (2340) - Duckworth, William Mark (2295), Los Angeles, Los Angeles (A56) - 1992
Kavutskiy, Konstantin (2315) - Duckworth, William Mark (2313), Los Angeles Metropolitan 15th, Los Angeles (A56) - 2012
Duckworth, William Mark - ? (67)
Matikozian, Andranik (2/5)
Amanov, Zhanibek (½/3)
Peters, Jack (½/3)
Akopian, Robert (1/2)
Akopyan, Harutyun (1½/2)
Kavutskiy, Konstantin (½/2)
Remlinger, Larry (1½/2)
Viswanadha, Kesav (2/2)
Visweswaran, Kameswaran (1½/2)
Yanayt, Eugene (1½/2)
Yankovsky, Roman (0/2)
Adamson, Robby (½/1)
Aghasaryan, Robert (0/1)
Beelby, Matthew A (½/1)
Bolbochan, Julio (0/1)
Browne, Walter Shawn (0/1)
Burg, Dan (1/1)
Carlson, Mike (½/1)
Carreto Nieto, Geovanni (1/1)
Casella, Michael (0/1)
Chapa, Eric (1/1)
Chen, Ke (1/1)
Defibaugh, Jared E (½/1)
Donaldson, John W (½/1)
Fedorov, Vladislav (1/1)
Finegold, Benjamin (½/1)
Frenkel, Filipp (1/1)
Granda Zuniga, Julio E (0/1)
Graves, John D (1/1)
Gupta, Ankit (0/1)
Gurevich, Dmitry (0/1)
Gutman, Joshua (1/1)
Harmon, Clark R (1/1)
Herder, David A (1/1)
Hough, Randall D (½/1)
Kalantaryan, Norayr (1/1)
Kukavica, Tony (½/1)
Labrador, S (1/1)
Lee, Dan (½/1)
Liou, Yian (1/1)
Longren, William B (½/1)
Lucky, David N (1/1)
Manik, Mikulas (0/1)
Manukian, Garuch (½/1)
Marshall, T (½/1)
McCambridge, Vincent (0/1)
Mohandesi, Shahin (½/1)
Moussa, Alaa Eddine (½/1)
Muhammad, Stephen A (0/1)
Nemcova, Katerina (0/1)
Purcell, Brendan (1/1)
Quercia, Dylan (½/1)
Ramayrat, Cris (1/1)
Rymuza, Jeffrey (1/1)
Sainz Aguirre, Ignacio (1/1)
Schiller, Eric Andrew (0/1)
Schroer, Jonathan (½/1)
Serpik, Ilia V (½/1)
Sevian, Samuel (1/1)
Sevillano, Enrico (0/1)
Silman, Jeremy D (½/1)
Simms, Rickie (1/1)
Smith, Larry (1/1)
Stein, Alan R (1/1)
Tanaka, Christian T (1/1)
Tovmasyan, Hamlet (1/1)
Wang, Richard (½/1)
? - Duckworth, William Mark (63)
Amanov, Zhanibek (½/4)
Clawitter, Craig (1½/3)
Manukian, Garuch (1½/3)
Remlinger, Larry (½/3)
Akopyan, Harutyun (½/2)
Ivanov, Igor Vasilievich (0/2)
Kudryavtsev, Vadim (½/2)
Sevian, Samuel (0/2)
Tatum, Kofi Odell (1½/2)
Yang, Darwin (½/2)
Yankovsky, Roman (0/2)
Abrahamyan, Tatev (0/1)
Adamson, Robby (1/1)
Alburt, Lev O (0/1)
Altounian, Levon (0/1)
Amerkeshev, Madiyar (1/1)
Arencibia Monduy, Antonio (½/1)
Azimova, Karina (½/1)
Boctor, Wageeh (1/1)
Brooks, Michael A (0/1)
Brown, Michael William (0/1)
Burnett, Kevin (0/1)
Casella, Michael (0/1)
Cotton, Donald R (0/1)
De Firmian, Nick E (½/1)
Dubisch, Ralph (1/1)
Feng, Roland (1/1)
Goldin, Alexander (0/1)
Guadalupe, Francisco II (0/1)
Hanley, Joe (0/1)
Hayes, Matthew (1/1)
Homidan, Jonathan (0/1)
Hughes, Austin (1/1)
Hurdle, Robert (1/1)
Jones, Race (1/1)
Kalantaryan, Norayr (½/1)
Kavutskiy, Konstantin (1/1)
Kelley, Dereque D (½/1)
Khachiyan, Melikset (½/1)
Kurosaki, Takashi (1/1)
Lagua, Bende (½/1)
Lakdawala, Cyrus (0/1)
Lee, Dan (1/1)
Liou, Yian (0/1)
Martirosov, Vadim (0/1)
Matikozian, Andranik (0/1)
Pellant, Timothy (1/1)
Perez, Ron (1/1)
Pershad, Yash (½/1)
Randall, Dean J (0/1)
Russell, Corey J (½/1)
Salakhutdinov, Ildar (0/1)
Schroer, Jonathan (1/1)
Seltzer, Robert (½/1)
Sheng, Joshua (1/1)
Shirazi, Kamran (0/1)
Stein, Jeremy A (1/1)
Strayer, Geofrey (1/1)
Thinnsen, James A (1/1)
Torres Gonzalez, Jose Arturo (1/1)
Viswanadha, Kesav (0/1)
Wang, Philip Xiao (0/1)
Willis, Matthew M (1/1)
Openings played as White (36)
D01 Richter-Veresov Attack (1.d4 d5 2.Nc3 Nf6 3.Bg5)
Average Elo:
2264.69
Result:
10/14 = 71.43%
A45 Queen's Pawn Game (1.d4 Nf6)
Average Elo:
2215.09
Result:
7/11 = 63.64%
D00 Queen's Pawn Game (1.d4 d5)
Average Elo:
2298.8
Result:
4½/10 = 45%
B07 Pirc (1.e4 d6 2.d4 Nf6)
Average Elo:
2265
Result:
2/4 = 50%
A00 Uncommon Opening (1.g4, a3, h3, etc.)
Average Elo:
2222.5
Result:
0/3 = 0%
E77 King's Indian (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f4 O-O 6.Be2)
Average Elo:
2301.33
Result:
2½/3 = 83.33%
B21 Sicilian, 2.f4 and 2.d4 (1.e4 c5 2.f4)
Average Elo:
2131.5
Result:
½/3 = 16.67%
C02 French, Advance (1.e4 e6 2.d4 d5 3.e5)
Average Elo:
2000
Result:
3/3 = 100%
A03 Bird's Opening (1.f4 d5)
Average Elo:
2343
Result:
½/2 = 25%
A57 Benko Gambit (1.d4 Nf6 2.c4 c5 3.d5 b5)
Average Elo:
2395
Result:
1½/2 = 75%
B00 Uncommon King's Pawn Opening (1.e4)
Average Elo:
2346.5
Result:
1½/2 = 75%
A43 Old Benoni (1.d4 c5)
Average Elo:
2326
Result:
1/2 = 50%
E08 Catalan, Closed (1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 7.Qc2)
Average Elo:
2211
Result:
½/1 = 50%
C36 King's Gambit Accepted, Abbazia Defense (1.e4 e5 2.f4 exf4 3.Nf3 d5)
Average Elo:
2340
Result:
½/1 = 50%
B30 Sicilian (1.e4 c5 2.Nf3 Nc6)
Average Elo:
2475
Result:
0/1 = 0%
B53 Sicilian (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4)
Average Elo:
2525
Result:
0/1 = 0%
D80 Grunfeld (1.d4 Nf6 2.c4 g6 3.Nc3 d5)
Average Elo:
0
Result:
1/1 = 100%
A80 Dutch (1.d4 f5)
Average Elo:
2050
Result:
½/1 = 50%
B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack (1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7)
Average Elo:
2420
Result:
½/1 = 50%
B31 Sicilian, Rossolimo Variation (1.e4 c5 2.Nf3 Nc6 3.Bb5 g6)
Average Elo:
2525
Result:
0/1 = 0%
B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack (1.e4 c5 2.Nf3 d6 3.Bb5+)
Average Elo:
2479
Result:
0/1 = 0%
B16 Caro-Kann, Bronstein-Larsen Variation (1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nf6 5.Nxf6+ gxf6)
Average Elo:
2265
Result:
1/1 = 100%
E09 Catalan, Closed (1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 7.Qc2 c6 8.Nbd2)
Average Elo:
0
Result:
1/1 = 100%
A34 English, Symmetrical (1.c4 c5 2.Nc3)
Average Elo:
2305
Result:
½/1 = 50%
C00 French Defense (1.e4 e6)
Average Elo:
2240
Result:
1/1 = 100%
A46 Queen's Pawn Game (1.d4 Nf6 2.Nf3)
Average Elo:
2279
Result:
½/1 = 50%
A01 Nimzovich-Larsen Attack (1.b3)
Average Elo:
0
Result:
½/1 = 50%
B26 Sicilian, Closed, 6.Be3 (1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Be3)
Average Elo:
2414
Result:
½/1 = 50%
E84 King's Indian, Samisch, Panno Main line (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 Nc6 7.Nge2 a6 8.Qd2 Rb8)
Average Elo:
2409
Result:
½/1 = 50%
E00 Queen's Pawn Game (1.d4 Nf6 2.c4 e6)
Average Elo:
2235
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:
1835
Result:
½/1 = 50%
A68 Benoni, Four Pawns Attack (1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.Nf3 O-O)
Average Elo:
2320
Result:
1/1 = 100%
D15 Queen's Gambit Declined Slav (1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3)
Average Elo:
2176
Result:
½/1 = 50%
D17 Queen's Gambit Declined Slav (1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5)
Average Elo:
2395
Result:
½/1 = 50%
C41 Philidor Defense (1.e4 e5 2.Nf3 d6)
Average Elo:
0
Result:
1/1 = 100%
B23 Sicilian, Closed (1.e4 c5 2.Nc3)
Average Elo:
2467
Result:
0/1 = 0%
Openings played as Black (42)
C04 French, Tarrasch, Guimard Main line (1.e4 e6 2.d4 d5 3.Nd2 Nc6 4.Ngf3 Nf6)
Average Elo:
2108.17
Result:
5/7 = 71.43%
C16 French, Winawer (1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5)
Average Elo:
2388.29
Result:
2/7 = 28.57%
A56 Benoni Defense (1.d4 Nf6 2.c4 c5)
Average Elo:
2284.83
Result:
3½/6 = 58.33%
C10 French (1.e4 e6 2.d4 d5 3.Nc3)
Average Elo:
2280
Result:
1/4 = 25%
C02 French, Advance (1.e4 e6 2.d4 d5 3.e5)
Average Elo:
2182.75
Result:
1/4 = 25%
B01 Scandinavian (1.e4 d5)
Average Elo:
2341.5
Result:
1/4 = 25%
A44 Old Benoni Defense (1.d4 c5 2.d5 e5)
Average Elo:
2139.5
Result:
1½/3 = 50%
E72 King's Indian (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.g3)
Average Elo:
2313
Result:
1½/3 = 50%
C00 French Defense (1.e4 e6)
Average Elo:
2212.67
Result:
1½/3 = 50%
B22 Sicilian, Alapin (1.e4 c5 2.c3)
Average Elo:
0
Result:
2/2 = 100%
A46 Queen's Pawn Game (1.d4 Nf6 2.Nf3)
Average Elo:
2260
Result:
1/2 = 50%
A26 English (1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6)
Average Elo:
2189.5
Result:
1/2 = 50%
C05 French, Tarrasch (1.e4 e6 2.d4 d5 3.Nd2 Nf6)
Average Elo:
2404
Result:
½/2 = 25%
D94 Grunfeld (1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3)
Average Elo:
2386
Result:
0/2 = 0%
B70 Sicilian, Dragon Variation (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6)
Average Elo:
0
Result:
0/1 = 0%
B00 Uncommon King's Pawn Opening (1.e4)
Average Elo:
0
Result:
0/1 = 0%
A52 Budapest Gambit (1.d4 Nf6 2.c4 e5 3.dxe5 Ng4)
Average Elo:
2575
Result:
0/1 = 0%
E02 Catalan, Open, 5.Qa4 (1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Qa4+)
Average Elo:
2570
Result:
0/1 = 0%
B44 Sicilian (1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6)
Average Elo:
2235
Result:
1/1 = 100%
D05 Queen's Pawn Game (1.d4 d5 2.Nf3 Nf6 3.e3 e6)
Average Elo:
0
Result:
½/1 = 50%
B33 Sicilian (1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4)
Average Elo:
2320
Result:
½/1 = 50%
A57 Benko Gambit (1.d4 Nf6 2.c4 c5 3.d5 b5)
Average Elo:
2270
Result:
½/1 = 50%
E70 King's Indian (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4)
Average Elo:
2340
Result:
0/1 = 0%
E80 King's Indian, Samisch Variation (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3)
Average Elo:
2395
Result:
1/1 = 100%
E06 Catalan, Closed, 5.Nf3 (1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3)
Average Elo:
2220
Result:
1/1 = 100%
A12 English with b3 (1.c4 c6 2.Nf3 d5 3.b3)
Average Elo:
2310
Result:
1/1 = 100%
D32 Queen's Gambit Declined, Tarrasch (1.d4 d5 2.c4 e6 3.Nc3 c5)
Average Elo:
2475
Result:
0/1 = 0%
D02 Queen's Pawn Game (1.d4 d5 2.Nf3)
Average Elo:
2355
Result:
0/1 = 0%
D06 Queen's Gambit Declined (1.d4 d5 2.c4)
Average Elo:
2475
Result:
0/1 = 0%
A09 Reti Opening (1.Nf3 d5 2.c4)
Average Elo:
0
Result:
1/1 = 100%
A38 English, Symmetrical (1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6)
Average Elo:
1995
Result:
½/1 = 50%
A01 Nimzovich-Larsen Attack (1.b3)
Average Elo:
2303
Result:
1/1 = 100%
B27 Sicilian (1.e4 c5 2.Nf3)
Average Elo:
2045
Result:
1/1 = 100%
B79 Sicilian, Dragon, Yugoslav Attack, 12.h4 (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 Qa5 11.Bb3 Rfc8 12.h4)
Average Elo:
2281
Result:
0/1 = 0%
C01 French, Exchange (1.e4 e6 2.d4 d5 3.exd5 exd5 4.Nc3 Nf6 5.Bg5)
Average Elo:
2276
Result:
½/1 = 50%
D35 Queen's Gambit Declined (1.d4 d5 2.c4 e6 3.Nc3 Nf6)
Average Elo:
2412
Result:
½/1 = 50%
E08 Catalan, Closed (1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 7.Qc2)
Average Elo:
2490
Result:
½/1 = 50%
C18 French, Winawer (1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3)
Average Elo:
2217
Result:
0/1 = 0%
A53 Old Indian (1.d4 Nf6 2.c4 d6)
Average Elo:
2231
Result:
0/1 = 0%
D13 Queen's Gambit Declined Slav, Exchange Variation (1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.cxd5 cxd5)
Average Elo:
2085
Result:
0/1 = 0%
C03 French, Tarrasch (1.e4 e6 2.d4 d5 3.Nd2)
Average Elo:
2247
Result:
0/1 = 0%
D15 Queen's Gambit Declined Slav (1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3)
Average Elo:
2495
Result:
0/1 = 0%