Player profile
Ackley, Peter J E
Dossier
23 of 26 games analyzed.
Accuracy: 90%
Opened g3: 9/15Opened c4: 5/15Opened b3: 1/15
Castled kingside: 20Same-side castling: 16Did not castle: 3Opposite-side castling: 2
Fianchettoed kingside: 21Played on the kingside: 8Fianchettoed queenside: 7Played on the queenside: 6Played in the center: 4
Active pieces: 17Backward pawn: 16Kept the bishop pair: 16Space advantage: 14Initiated exchanges: 13Isolated pawn: 9Sacrificed material: 9Missed tactics: 6Accepted short draws: 3Avoided exchanges: 3
Openings
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As White 16 games 4W 9D 3L
Hungarian Opening 7 games 1W 5D 1L
Indian Defense 3 games 1W 2D 0L
(unspecified)
3 games
1W
2D
0L
Symmetrical Variation 2 games 0W 2D 0L
(unspecified)
2 games
0W
2D
0L
(unspecified) 2 games 0W 1D 1L
(unspecified)
2 games
0W
1D
1L
English Opening 5 games 2W 2D 1L
King's English Variation 3 games 1W 2D 0L
Four Knights Variation, Fianchetto Line, with Bc5
2 games
0W
2D
0L
(unspecified)
1 game
1W
0D
0L
Symmetrical Variation 1 game 0W 0D 1L
Three Knights, Fianchetto Variation
1 game
0W
0D
1L
Great Snake Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Lasker Simul Special 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Zukertort Opening 1 game 0W 0D 1L
Reversed Grünfeld 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Réti Opening 1 game 0W 1D 0L
Anglo-Slav Variation 1 game 0W 1D 0L
Gurevich System
1 game
0W
1D
0L
Nimzo-Larsen Attack 1 game 0W 1D 0L
Modern Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
As Black 10 games 1W 4D 5L
Modern Defense 5 games 0W 2D 3L
Standard Defense 2 games 0W 0D 2L
(unspecified)
2 games
0W
0D
2L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Pseudo-Austrian Attack 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Averbakh System 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Pirc Defense 2 games 0W 0D 2L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Classical Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Queen's Pawn Game 2 games 1W 1D 0L
Rossolimo Variation 2 games 1W 1D 0L
(unspecified)
2 games
1W
1D
0L
Sicilian Defense 1 game 0W 1D 0L
Closed 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Blunders Top 4 of 71
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 26 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.06.28 | Round 4: Cheung, Leo - Ackley, Peter J E | 4.17 | 2026.06.28 Cheung, Leo (343441866) (1829) | 0 | - | 1. e4 g6 2. d4 Bg7 3. Nc3 d6 | |
| 2026.06.27 | Round 3: Ackley, Peter J E - Woozeer, Seth | 3.17 | 2026.06.27 Woozeer, Seth (343441351) (1833) | ½ | 94.60% | 1. g3 Nf6 2. Bg2 g6 3. e4 e5 | |
| 2026.06.27 | Round 2: Surtees, Mike J - Ackley, Peter J E | 2.6 | 2026.06.27 Surtees, Mike J (412619) (2057) | 0 | 82.40% | 1. e4 g6 2. d4 Bg7 3. c3 d6 | |
| 2026.06.26 | Round 1: Ackley, Peter J E - Marsh, Aram | 1.20 | 2026.06.26 Marsh, Aram (343463592) (1665) | 1 | 93.10% | 1. g3 h5 2. h4 e5 3. c4 Nf6 | |
| 2026.03.22 | Round 8: Shankar, Yashwardhan - Ackley, Peter J E | 8.24 | 2026.03.22 Shankar, Yashwardhan (2411067) (1834) | 0 | 88.00% | 1. e4 d6 2. d4 g6 3. Nf3 Nf6 | |
| 2026.03.21 | Round 7: Ackley, Peter J E - Vyas, Alisha | 7.40 | 2026.03.21 Vyas, Alisha (461318) (1905) | ½ | 96.70% | 1. g3 g6 2. Bg2 Bg7 3. d3 Nf6 | |
| 2026.02.08 | Round 6: Camp, Imogen A L - Ackley, Peter J E | 6.40 | 2026.02.08 Camp, Imogen A L (1802240) (1945) | ½ | 94.90% | 1. d4 g6 2. e4 Bg7 3. Nc3 d6 | |
| 2026.02.07 | Round 5: Ackley, Peter J E - Sullivan, Daniel | 5.40 | 2026.02.07 Sullivan, Daniel (433934) (1930) | 0 | 78.60% | 1. g3 d5 2. Bg2 c5 3. Nf3 Nc6 | |
| 2026.01.11 | Round 4: Foo, Zhi Rong Benjamin - Ackley, Peter J E | 4.31 | 2026.01.11 Foo, Zhi Rong Benjamin (5801664) (2187) | 0 | 84.00% | 1. e4 g6 2. d4 Bg7 3. Nc3 d6 | |
| 2026.01.10 | Round 3: Ackley, Peter J E - Bucher, Grant W | 3.7 | 2026.01.10 Bucher, Grant W (413810) (2055) | ½ | 94.60% | 1. g3 e5 2. Bg2 d5 3. d3 Nf6 | |
| 2025.11.02 | Round 2: Swanson, Stephen - Ackley, Peter J E | 2.6 | 2025.11.02 Swanson, Stephen (2400251) (2156) | ½ | 94.40% | 1. e4 d6 2. Nc3 g6 3. g3 Bg7 | |
| 2025.11.01 | Round 1: Ackley, Peter J E - Duckers, Harvey L | 1.38 | 2025.11.01 Duckers, Harvey L (407909) (1878) | 1 | 93.80% | 1. c4 e5 2. g3 d6 3. Nc3 g6 | |
| 2025.06.29 | Round 5: Ackley, Peter J E - Woozeer, Seth | 5.14 | 2025.06.29 Woozeer, Seth (343441351) (1711) | ½ | 94.10% | 1. g3 g6 2. Bg2 Bg7 3. f4 c5 | |
| 2025.06.29 | Round 4: Shivakumar, Akshath - Ackley, Peter J E | 4.18 | 2025.06.29 Shivakumar, Akshath (499765) (1838) | ½ | 88.90% | 1. d4 d6 2. c4 g6 3. Nc3 Bg7 | |
| 2025.06.28 | Round 3: Ackley, Peter J E - Blackburn, Jonathan L B | 3.5 | 2025.06.28 Blackburn, Jonathan L B (1801090) (2207) | 0 | 78.30% | 1. g3 d5 2. Bg2 g6 3. f4 Bg7 | |
| 2025.06.28 | Round 2: Mize, Dylan - Ackley, Peter J E | 2.19 | 2025.06.28 Mize, Dylan (30932599) (1794) | 1 | - | 1. d4 d6 2. Nf3 g6 3. Bg5 Bg7 | |
| 2025.06.27 | Round 1: Ackley, Peter J E - Dissanayake, Sathsara | 1.21 | 2025.06.27 Dissanayake, Sathsara (343415792) (1709) | ½ | 84.30% | 1. g3 Nf6 2. Bg2 g6 3. f4 d5 | |
| 2025.05.05 | Round 11: Ackley, Peter J E - Calvert, D Ian | 11.38 | 2025.05.05 Calvert, D Ian (406368) (1928) | 1 | 91.20% | 1. g3 Nf6 2. Bg2 d5 3. f4 g6 | |
| 2025.05.03 | Round 9: Ackley, Peter J E - Valdepenas Octavio, Javier | 9.36 | 2025.05.03 Valdepenas Octavio, Javier (32051506) (2188) | 0 | - | 1. c4 g6 2. Nc3 c5 3. g3 Bg7 | |
| 2025.02.15 | Round 5: Ackley, Peter J E - Wills, Tom | 5.23 | 2025.02.15 Wills, Tom (458651) (1990) | ½ | 79.30% | 1. c4 c6 2. Nf3 d5 3. e3 Nf6 | |
| 2025.01.19 | 32nd 4NCL Congress | 5.12 | 2025.01.19 Henderson, David (430021) (2024) | ½ | 92.20% | 1. b3 e5 2. Bb2 d6 3. e3 Nf6 | |
| 2025.01.19 | 32nd 4NCL Congress | 4.18 | 2025.01.19 Hariharan, Shambavi (488160) (1989) | ½ | 96.70% | 1. d4 d6 2. Nf3 g6 3. g3 Bg7 | |
| 2025.01.18 | 32nd 4NCL Congress | 3.20 | 2025.01.18 Wedge, David C (416444) (1863) | 1 | 96.70% | 1. c4 g6 2. Nc3 Bg7 3. Nf3 d6 | |
| 2025.01.18 | 32nd 4NCL Congress | 2.11 | 2025.01.18 Hebden, Mark L (400084) (2369) | 0 | 90.40% | 1. d4 d6 2. e4 Nf6 3. Nc3 g6 | |
| 2025.01.17 | 32nd 4NCL Congress | 1.22 | 2025.01.17 Waterfield, Mark (464910) (1842) | ½ | 90.00% | 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 | |
| 2025.01.17 | 32nd 4NCL Congress | 1.22 | 2025.01.17 Waterfield, Mark (464910) (1842) | ½ | 93.50% | 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 |