Player profile
Joshua Posthuma
Dossier
37 of 37 games analyzed.
Accuracy: 96%
Opened d4: 5/5
Castled kingside: 7Same-side castling: 7Castled queenside: 2Opposite-side castling: 2Did not castle: 1
Played on the queenside: 5Fianchettoed kingside: 5Fianchettoed queenside: 4Played in the center: 4Played on the kingside: 1
Sacrificed material: 9Active pieces: 8Backward pawn: 7Kept the bishop pair: 6Initiated exchanges: 6Space advantage: 5Isolated pawn: 3Avoided exchanges: 3Accepted short draws: 1Played gambits: 1
Openings
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As White 5 games 1W 3D 1L
Queen's Gambit Accepted 2 games 0W 1D 1L
Normal Variation 1 game 0W 0D 1L
Traditional System
1 game
0W
0D
1L
Mannheim Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Catalan Opening 1 game 0W 1D 0L
Open Defense 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
King's Indian Defense 1 game 1W 0D 0L
Sämisch Variation 1 game 1W 0D 0L
Normal Defense
1 game
1W
0D
0L
Indian Defense 1 game 0W 1D 0L
Accelerated London System 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
As Black 5 games 1W 3D 1L
Sicilian Defense 2 games 1W 1D 0L
Nyezhmetdinov-Rossolimo Attack 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Löwenthal Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Semi-Slav Defense 1 game 0W 0D 1L
Stonewall Defense 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
English Opening 1 game 0W 1D 0L
Symmetrical Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Caro-Kann Defense 1 game 0W 1D 0L
Main Line 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Blunders Top 4 of 104
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 37 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2023.12.21 | Round 8: Aram Hakobyan - Joshua Posthuma | 2023.12.21 Aram Hakobyan (2616) | 0 | 87.70% | 1. d4 Nf6 2. Nf3 e6 3. c4 d5 | ||
| 2023.12.21 | Round 7: Joshua Posthuma - Tran Gia Phuc Pham | 2023.12.21 Tran Gia Phuc Pham (2393) | ½ | 98.10% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | ||
| 2023.11.06 | Round 9: Jakub Fus - Joshua Posthuma | 2023.11.06 Jakub Fus (2462) | ½ | 98.70% | 1. c4 c5 2. Nf3 g6 3. d4 cxd4 | ||
| 2023.11.06 | Round 8: Joshua Posthuma - Josiah Stearman | 2023.11.06 Josiah Stearman (2451) | 0 | 92.30% | 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 | ||
| 2023.11.05 | Round 7: Luka Budisavljevic - Joshua Posthuma | 2023.11.05 Luka Budisavljevic (2515) | 1 | 97.60% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 e5 | ||
| 2023.11.05 | Round 6: Joshua Posthuma - Ekin Baris Ozenir | 2023.11.05 Ekin Baris Ozenir (2391) | ½ | 99.60% | 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 | ||
| 2023.11.04 | Round 5: Robby Kevlishvili - Joshua Posthuma | 2023.11.04 Robby Kevlishvili (2535) | ½ | 95.10% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | ||
| 2023.11.04 | Round 4: Joshua Posthuma - Kostya Kavutskiy | 2023.11.04 Kostya Kavutskiy (2394) | 1 | 94.90% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | ||
| 2023.11.03 | Round 3: Alexander Fishbein - Joshua Posthuma | 2023.11.03 Alexander Fishbein (2382) | ½ | 97.90% | 1. e4 c6 2. d4 d5 3. Nc3 dxe4 | ||
| 2023.11.03 | Round 2: Joshua Posthuma - Bach Ngo | 2023.11.03 Bach Ngo (2367) | ½ | 98.20% | 1. d4 Nf6 2. Bf4 d5 3. e3 e6 | ||
| 2023.11.02 | Round 1: Joshua Posthuma - Mark Heimann | 2023.11.02 Mark Heimann (2440) | ½ | 97.70% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | ||
| 2023.08.06 | Round 9: David Brodsky - Joshua Posthuma | 2023.08.06 David Brodsky | ½ | 92.90% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | ||
| 2023.08.05 | Round 8: Joshua Posthuma - Avi Harrison Kaplan | 2023.08.05 Avi Harrison Kaplan | ½ | 89.10% | 1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 | ||
| 2023.08.04 | Round 7: Joshua Posthuma - Bojanovic Ratko | 2023.08.04 Bojanovic Ratko | 1 | 100.00% | |||
| 2023.08.03 | Round 5: Kostya Kavutskiy - Joshua Posthuma | 2023.08.03 Kostya Kavutskiy | 1 | 97.60% | 1. d4 Nf6 2. Nf3 b6 3. c4 Bb7 | ||
| 2023.08.02 | Round 3: Joshua Posthuma - Dmitry Gurevich | 2023.08.02 Dmitry Gurevich | 0 | 89.20% | 1. d4 d5 2. c4 e6 3. Nf3 a6 | ||
| 2023.08.02 | 2023 US Open Championships | 1 | 2023.08.02 Nicholas Ladan | 1 | 96.50% | 1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 | |
| 2023.06.10 | Round 6: Joshua Posthuma - Lazaro Bruzon Batista | 2023.06.10 Lazaro Bruzon Batista | ½ | 85.30% | 1. d4 Nf6 2. c4 c5 3. d5 g6 | ||
| 2023.06.04 | Round 11: Joshua Posthuma - Victor Matviishen | 2023.06.04 Victor Matviishen | 0 | 85.10% | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 | ||
| 2023.06.04 | Round 3: Lazaro Batista Bruzon - Joshua Posthuma | 2023.06.04 Lazaro Batista Bruzon | 0 | 89.00% | 1. e4 c6 2. Nf3 d5 3. e5 c5 | ||
| 2023.06.03 | Round 2: Joshua Posthuma - Mateusz Bartel | 2023.06.03 Mateusz Bartel | ½ | 84.90% | 1. d4 d5 2. c4 e6 3. g3 dxc4 | ||
| 2023.06.03 | Round 1: Evgeny Bareev - Joshua Posthuma | 2023.06.03 Evgeny Bareev | 1 | 88.40% | 1. d4 Nf6 2. c4 a6 3. Qc2 b5 | ||
| 2023.05.29 | 32nd Annual Chicago Open | 9 | 2023.05.29 Eric Liu | ½ | 84.10% | 1. d4 Nf6 2. c4 d6 3. Nc3 e5 | |
| 2023.05.29 | 32nd Annual Chicago Open | 8 | 2023.05.29 Nicholas Ladan | 1 | 94.80% | 1. d4 Nf6 2. Nf3 b6 3. Bf4 Bb7 | |
| 2023.05.28 | 32nd Annual Chicago Open | 7 | 2023.05.28 Rose Atwell | 1 | 97.50% | 1. d4 d5 2. c4 e6 3. g3 Nf6 | |
| 2023.05.28 | 32nd Annual Chicago Open | 6 | 2023.05.28 Ryan Amburgy | 0 | 93.30% | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 | |
| 2023.05.27 | 32nd Annual Chicago Open | 5 | 2023.05.27 Tanitoluwa Adewumi | ½ | 95.20% | 1. d4 Nf6 2. Nf3 e6 3. g3 d5 | |
| 2023.05.27 | 32nd Annual Chicago Open | 4 | 2023.05.27 Dachey Lin | ½ | 96.70% | 1. c4 c5 2. g3 g6 3. Bg2 Bg7 | |
| 2023.03.17 | Round 9: Anthony Atanasov - Joshua Posthuma | 2023.03.17 Anthony Atanasov | ½ | 95.90% | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | ||
| 2023.03.16 | Round 8: Joshua Posthuma - Gabor Nagy | 2023.03.16 Gabor Nagy | 1 | 96.30% | 1. d4 d5 2. c4 e6 3. Nf3 a6 | ||
| 2023.03.16 | Round 7: Mark Plotkin - Joshua Posthuma | 2023.03.16 Mark Plotkin | 1 | 93.30% | 1. e4 c6 2. Nf3 d5 3. d3 Qc7 | ||
| 2023.03.15 | Round 6: Joshua Posthuma - Mike Ivanov | 2023.03.15 Mike Ivanov | ½ | 86.10% | 1. Nf3 Nf6 2. g3 g6 3. b3 d5 | ||
| 2023.03.15 | Round 5: Luis Fernando Ibarra Chami - Joshua Posthuma | 2023.03.15 Luis Fernando Ibarra Chami | ½ | 94.50% | 1. d4 Nf6 2. c4 a6 3. Nc3 c5 | ||
| 2023.03.14 | Round 4: Joshua Posthuma - Zachary Dukic | 2023.03.14 Zachary Dukic | 1 | 95.60% | 1. Nf3 d5 2. g3 Nd7 3. d4 Nb6 | ||
| 2023.03.14 | Round 3: Nikolay Noritsyn - Joshua Posthuma | 2023.03.14 Nikolay Noritsyn | ½ | 92.70% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 | ||
| 2023.03.13 | Round 2: Joshua Posthuma - Bator Sambuev | 2023.03.13 Bator Sambuev | 1 | 95.10% | 1. d4 Nf6 2. c4 e6 3. g3 d5 | ||
| 2023.03.13 | Round 1: Victor Mikhalevski - Joshua Posthuma | 2023.03.13 Victor Mikhalevski | ½ | 90.40% | 1. d4 Nf6 2. c4 a6 3. e3 e6 |