Player profile
Welling, Zac
Dossier
53 of 56 games analyzed.
Accuracy: 89.5%
Opened e4: 20/21Opened Nf3: 1/21
Castled kingside: 36Same-side castling: 34Did not castle: 6Opposite-side castling: 3Castled queenside: 2
Played on the queenside: 12Fianchettoed queenside: 11Played in the center: 9Fianchettoed kingside: 9Played on the kingside: 8
Kept the bishop pair: 29Active pieces: 29Sacrificed material: 28Initiated exchanges: 28Space advantage: 20Isolated pawn: 16Backward pawn: 15Missed tactics: 13Avoided exchanges: 8Played gambits: 4
Openings
Click "+" to add that group to the games list below. Multiple groups can be added at once.
As White 23 games 5W 10D 8L
Sicilian Defense 7 games 0W 4D 3L
Closed 4 games 0W 3D 1L
Traditional
2 games
0W
1D
1L
Anti-Sveshnikov Variation, with d6
1 game
0W
1D
0L
(unspecified)
1 game
0W
1D
0L
Moscow Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Nyezhmetdinov-Rossolimo Attack 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Grand Prix Attack 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Italian Game 4 games 2W 0D 2L
Two Knights Defense 3 games 2W 0D 1L
Polerio Defense, Bishop Check Line
3 games
2W
0D
1L
Classical Variation 1 game 0W 0D 1L
Greco Gambit, Modern Line
1 game
0W
0D
1L
Caro-Kann Defense 4 games 2W 2D 0L
Exchange Variation 2 games 0W 2D 0L
(unspecified)
1 game
0W
1D
0L
Rubinstein Variation
1 game
0W
1D
0L
Two Knights Attack 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Tartakower Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Ruy Lopez 2 games 0W 1D 1L
Morphy Defense 2 games 0W 1D 1L
Anderssen Variation
2 games
0W
1D
1L
Modern Defense 2 games 0W 1D 1L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Standard Defense 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
French Defense 2 games 1W 1D 0L
Tarrasch Variation 2 games 1W 1D 0L
Closed Variation
1 game
1W
0D
0L
Chistyakov Defense
1 game
0W
1D
0L
English Opening 1 game 0W 1D 0L
Anglo-Indian Defense 1 game 0W 1D 0L
King's Knight Variation
1 game
0W
1D
0L
Alekhine Defense 1 game 0W 0D 1L
Modern Variation 1 game 0W 0D 1L
Larsen Variation
1 game
0W
0D
1L
As Black 24 games 9W 7D 8L
Sicilian Defense 9 games 5W 2D 2L
Najdorf Variation 6 games 4W 1D 1L
(unspecified)
4 games
3W
0D
1L
Adams Attack
1 game
0W
1D
0L
Lipnitsky Attack
1 game
1W
0D
0L
Moscow Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Closed 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Modern Variations 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Caro-Kann Defense 4 games 0W 2D 2L
Two Knights Attack 1 game 0W 1D 0L
Mindeno Variation
1 game
0W
1D
0L
Breyer Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Advance Variation 1 game 0W 0D 1L
Short Variation
1 game
0W
0D
1L
Karpov Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
King's Indian Defense 4 games 1W 2D 1L
Fianchetto Variation 3 games 0W 2D 1L
Classical Variation
2 games
0W
1D
1L
(unspecified)
1 game
0W
1D
0L
Orthodox Variation 1 game 1W 0D 0L
Gligoric-Taimanov System
1 game
1W
0D
0L
Slav Defense 3 games 1W 1D 1L
Czech Variation 2 games 0W 1D 1L
Carlsbad Variation
1 game
0W
1D
0L
Classical System, Main Line
1 game
0W
0D
1L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Réti Opening 2 games 0W 0D 2L
Anglo-Slav Variation 2 games 0W 0D 2L
New York System
1 game
0W
0D
1L
Torre System
1 game
0W
0D
1L
Zukertort Opening 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Nimzo-Larsen Attack 1 game 1W 0D 0L
Modern Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Blunders Top 4 of 254
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 56 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.08.20 | 5th Kingston Invitational Swiss | 5.25 | 2026.08.20 Gajowniczek, Maks (343402801) (1868) | ½ | 87.00% | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 | |
| 2026.08.19 | 5th Kingston Invitational Swiss | 4.21 | 2026.08.19 Lam, Isaac (343413110) (1884) | 0 | 87.20% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2026.08.19 | 5th Kingston Invitational Swiss | 3.25 | 2026.08.19 Cordova-Lopez, Diego Anton (459313) (1872) | ½ | 85.20% | 1. e4 c6 2. Nf3 d5 3. Nc3 Bg4 | |
| 2026.08.19 | Round 2: Welling, Zac - Kothari, Jai | 2.8 | 2026.08.19 Kothari, Jai (477117) (2158) | 0 | 84.70% | 1. e4 c5 2. Nc3 Nc6 3. Nf3 e6 | |
| 2026.08.19 | 5th Kingston Invitational Swiss | 1.33 | 2026.08.19 Khakimov, Bobur (343405070) (1776) | 1 | 97.20% | 1. d4 d5 2. c4 c6 3. Nc3 Nf6 | |
| 2026.07.23 | Round 5: Sooraj M R - Welling, Zac | 5.18 | 2026.07.23 Sooraj M R (35014730) (2198) | 0 | 91.10% | 1. e4 c6 2. d3 d5 3. Nd2 g6 | |
| 2026.07.23 | Round 4: Welling, Zac - Verbytski, Oleg | 4.12 | 2026.07.23 Verbytski, Oleg (495506) (2273) | ½ | 89.80% | 1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 | |
| 2026.07.22 | Round 3: Willmoth, Robert F - Welling, Zac | 3.24 | 2026.07.22 Willmoth, Robert F (402540) (2146) | 1 | 93.50% | 1. Nf3 d5 2. e3 Nf6 3. c4 c6 | |
| 2026.07.22 | Round 2: Welling, Zac - Sahoo, Shivam | 2.24 | 2026.07.22 Sahoo, Shivam (343419194) (1913) | ½ | - | 1. e4 c5 2. Nf3 Nc6 3. Nc3 e5 | |
| 2026.07.21 | Round 1: Wang, Yiming - Welling, Zac | 1.27 | 2026.07.21 Wang, Yiming (8631450) (1811) | ½ | 92.00% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.07.04 | Open: Onslow, Teddy - Welling, Zac | 1.15 | 2026.07.04 Onslow, Teddy (436828) (1873) | ½ | 67.50% | 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 | |
| 2025.07.30 | Round 5: Brito, Franco - Welling, Zac | 5.10 | 2025.07.30 Brito, Franco (2535440) | 1 | 85.80% | 1. b3 e5 2. Bb2 Nc6 3. e3 d5 | |
| 2025.07.29 | Round 4: Welling, Zac - Gera, Marvin | 4.15 | 2025.07.29 Gera, Marvin (2409992) (1830) | ½ | 81.70% | 1. Nf3 Nf6 2. c4 e6 3. b3 b6 | |
| 2025.07.29 | Round 3: Welling, Zac - Faustino Lawlor, Elias | 3.5 | 2025.07.29 Faustino Lawlor, Elias (2517787) (1760) | 1 | 97.40% | 1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 | |
| 2025.07.28 | Round 2: Sharhorodsky, Yaroslav - Welling, Zac | 2.15 | 2025.07.28 Sharhorodsky, Yaroslav (34163913) (1778) | 1 | 89.50% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.07.28 | Round 1: Welling, Zac - Fairhurst, Frederick | 1.10 | 2025.07.28 Fairhurst, Frederick (343425682) (1763) | ½ | 95.80% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2025.07.20 | ECF English Open Championship 2025 | 7.33 | 2025.07.20 Rastogi, Nayan Keats (343407579) (1891) | ½ | 86.60% | 1. e4 c5 2. Nc3 d6 3. f4 g6 | |
| 2025.07.20 | ECF English Open Championship 2025 | 6.25 | 2025.07.20 Liu,Tianyi (Jack) (8627894) (2111) | 0 | 91.30% | 1. e4 c6 2. d4 d5 3. e5 Bf5 | |
| 2025.07.19 | ECF English Open Championship 2025 | 5.28 | 2025.07.19 Dishman, Stephen (403024) (2274) | ½ | 95.50% | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | |
| 2025.07.19 | ECF English Open Championship 2025 | 4.38 | 2025.07.19 Anjulan, Ashwin (343411622) (1880) | 1 | 95.90% | 1. e4 c5 2. Nc3 a6 3. f4 e6 | |
| 2025.07.18 | ECF English Open Championship 2025 | 3.39 | 2025.07.18 Bolt, Graham (410438) (1942) | ½ | 93.10% | 1. e4 g6 2. d4 d5 3. exd5 Qxd5 | |
| 2025.07.18 | ECF English Open Championship 2025 | 2.28 | 2025.07.18 Pereslavtsev, Alexandr (343401449) (2040) | 0 | 93.30% | 1. d4 d5 2. c4 c6 3. Nc3 Nf6 | |
| 2025.07.18 | ECF English Open Championship 2025 | 1.18 | 2025.07.18 Shearsby, Jude (462527) (2224) | 0 | 90.70% | 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 | |
| 2025.04.26 | Round 3: Welling, Zac - Piotr Majca | 3.10 | 2025.04.26 Piotr Majca | 0 | - | 1. e4 g6 2. d4 Bg7 3. Nc3 d6 | |
| 2025.04.25 | Round 1: Taylor, Adam A - Welling, Zac | 1.3 | 2025.04.25 Taylor, Adam A (415790) (2270) | 0 | - | 1. Nf3 d5 2. c4 c6 3. b3 Nf6 | |
| 2025.03.23 | Round 5: Welling, Zac - Haubold, Christian | 5.6 | 2025.03.23 Haubold, Christian (16259629) (2034) | 0 | 85.10% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2025.03.22 | Round 4: Westerhof, Fleur - Welling, Zac | 4.6 | 2025.03.22 Westerhof, Fleur (1080369) (1957) | ½ | 99.30% | 1. e4 c6 2. d4 d5 3. Nc3 dxe4 | |
| 2025.03.22 | Round 3: Welling, Zac - Kryshtafor, Maksym | 3.16 | 2025.03.22 Kryshtafor, Maksym (34129227) (1722) | 1 | 96.10% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2025.03.21 | Round 2: Duan, Yinan - Welling, Zac | 2.16 | 2025.03.21 Duan, Yinan (2522675) (1801) | 1 | 94.10% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.03.21 | Round 1: Briem, Gudrun Fanney - Welling, Zac | 1.6 | 2025.03.21 Briem, Gudrun Fanney (2317486) (1868) | 0 | 87.20% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2024.08.04 | Round 9: Shaw, Peter - Welling, Zac | 9.18 | 2024.08.04 Shaw, Peter (411361) (2041) | 1 | 90.70% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2024.08.03 | Round 8: Welling, Zac - Li, Xiaofan | 8.31 | 2024.08.03 Li, Xiaofan (343432689) (1798) | 1 | 97.20% | 1. e4 c6 2. d4 d5 3. Nd2 dxe4 | |
| 2024.08.02 | Round 7: Zhao, George - Welling, Zac | 7.19 | 2024.08.02 Zhao, George (494607) (2014) | 0 | 86.80% | 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 | |
| 2024.08.01 | Round 6: Welling, Zac - Angst, Oliver | 6.18 | 2024.08.01 Angst, Oliver (1334069) (2068) | ½ | 51.10% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 | |
| 2024.07.31 | Round 5: Watkinson, Colin - Welling, Zac | 5.36 | 2024.07.31 Watkinson, Colin (235000023) (1791) | 1 | 96.70% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2024.07.30 | Round 4: Welling, Zac - Adams, Henry | 4.21 | 2024.07.30 Adams, Henry (464562) (2000) | 0 | 89.80% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2024.07.29 | Round 3: Buffard, Julien - Welling, Zac | 3.39 | 2024.07.29 Buffard, Julien (653057791) (1665) | 1 | 91.70% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2024.07.28 | Round 2: Welling, Zac - Cancedda-Dupuis, Livio | 2.14 | 2024.07.28 Cancedda-Dupuis, Livio (499447) (2041) | 0 | 90.40% | 1. e4 c5 2. Nc3 Nc6 3. f4 e6 | |
| 2024.07.24 | Round 4: Semenov, Igor - Welling, Zac | 4.7 | 2024.07.24 Semenov, Igor (2411326) (2026) | ½ | 90.60% | 1. Nf3 Nf6 2. c4 g6 3. d4 Bg7 | |
| 2024.07.24 | Round 3: Welling, Zac - Martin, Jamie | 3.7 | 2024.07.24 Martin, Jamie (2526875) (1721) | 1 | 98.50% | 1. e4 e6 2. d4 d5 3. Nd2 Nf6 | |
| 2024.07.23 | Round 2: Kowalski Rubiales, Nicholas - Welling, Zac | 2.7 | 2024.07.23 Kowalski Rubiales, Nicholas (54592763) (1882) | 0 | 85.20% | 1. e4 c5 2. Nf3 d6 3. Bc4 e6 | |
| 2024.07.23 | Round 1: Welling, Zac - Yu, Rock | 1.13 | 2024.07.23 Yu, Rock (489000) (2001) | 0 | 86.70% | 1. e4 Nf6 2. e5 Nd5 3. d4 d6 | |
| 2024.07.11 | Round 5: Welling, Zac - Sharhorodsky, Yaroslav | 5.1 | 2024.07.11 Sharhorodsky, Yaroslav (34163913) (1753) | ½ | 90.20% | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | |
| 2024.04.21 | Round 5: Welling, Zac - Kumar, Sanjit S | 2024.04.21 Kumar, Sanjit S (468142) (1970) | ½ | 91.90% | 1. e4 e6 2. d4 d5 3. Nd2 c5 | ||
| 2024.04.21 | Round 4: Leung, Hao Ran - Welling, Zac | 2024.04.21 Leung, Hao Ran (6012620) (1886) | ½ | 90.20% | 1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 | ||
| 2024.04.20 | Round 3: Welling, Zac - Tan, Chong Hien Andrew | 2024.04.20 Tan, Chong Hien Andrew (5807794) (1830) | 1 | 90.50% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | ||
| 2024.04.20 | Round 2: Regan, Natasha K - Welling, Zac | 2024.04.20 Regan, Natasha K (403067) (1990) | 0 | 86.60% | 1. Nf3 d5 2. c4 c6 3. b3 Nf6 | ||
| Round 9: Welling, Zac - Waterfield, Mark | 9.17 | Waterfield, Mark (464910) (1869) | ½ | 89.60% | 1. e4 e6 2. d4 d5 3. Nd2 Nf6 | ||
| Round 8: Zhu, Pengxiao - Welling, Zac | 8.21 | Zhu, Pengxiao (499307) (1938) | ½ | 45.50% | 1. d4 d5 2. c4 c6 3. cxd5 cxd5 | ||
| Round 7: Welling, Zac - Swiatkowski, Dominik | 7.31 | Swiatkowski, Dominik (343415202) (1842) | 1 | 92.30% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | ||
| Round 6: Keerthi Kumar, Advait - Welling, Zac | 6.20 | Keerthi Kumar, Advait (498033) (1878) | 0 | 92.10% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| Round 5: Welling, Zac - Jaunooby, Ali R | 5.7 | Jaunooby, Ali R (413291) (2082) | 0 | 90.80% | 1. Nf3 Nf6 2. c4 c6 3. g3 d5 | ||
| Round 4: Green, Michael - Welling, Zac | 4.10 | Green, Michael (437514) (2009) | ½ | 88.40% | 1. d4 g6 2. Nf3 Bg7 3. c3 c5 | ||
| Round 3: Welling, Zac - Nelson, Jonathan P | 3.3 | Nelson, Jonathan P (404195) (2114) | ½ | 86.50% | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 | ||
| Round 2: Nitish Brunth Sundar - Welling, Zac | 2.23 | Nitish Brunth Sundar (88107760) (1782) | 1 | 86.70% | 1. d4 d5 2. Bf4 Nf6 3. e3 c5 | ||
| Round 1: Welling, Zac - Eldridge, Albert | 1.32 | Eldridge, Albert (343438857) (1792) | 1 | 89.40% | 1. e4 c5 2. Nc3 Nc6 3. Bb5 Qc7 |