Player profile
Yu, Zachary
Dossier
119 of 138 games analyzed.
Accuracy: 89.8%
Opened d4: 37/59Opened c4: 16/59Opened Nf3: 5/59Opened e4: 1/59
Castled kingside: 84Same-side castling: 73Did not castle: 17Opposite-side castling: 6Castled queenside: 6
Fianchettoed kingside: 40Played on the queenside: 36Played in the center: 33Fianchettoed queenside: 24Played on the kingside: 23
Active pieces: 78Space advantage: 69Initiated exchanges: 63Kept the bishop pair: 61Sacrificed material: 61Backward pawn: 60Isolated pawn: 46Avoided exchanges: 29Missed tactics: 27Played gambits: 14
Openings
Click "+" to add that group to the games list below. Multiple groups can be added at once.
As White 69 games 40W 10D 18L
Catalan Opening 18 games 11W 3D 4L
Open Defense 13 games 9W 1D 3L
Classical Line
7 games
6W
0D
1L
(unspecified)
6 games
3W
1D
2L
Closed 3 games 0W 2D 1L
(unspecified)
3 games
0W
2D
1L
Closed Variation 2 games 2W 0D 0L
Traditional Variation
2 games
2W
0D
0L
English Opening 11 games 8W 2D 1L
Four Knights System 4 games 2W 1D 1L
Nimzowitsch Variation
4 games
2W
1D
1L
Symmetrical Variation 2 games 2W 0D 0L
Four Knights Variation
2 games
2W
0D
0L
King's English Variation 2 games 2W 0D 0L
Kramnik-Shirov Counterattack
1 game
1W
0D
0L
Three Knights System
1 game
1W
0D
0L
Agincourt Defense 2 games 1W 1D 0L
(unspecified)
2 games
1W
1D
0L
Mikenas-Carls Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Indian Defense 6 games 4W 2D 0L
Anti-Nimzo-Indian 3 games 1W 2D 0L
(unspecified)
3 games
1W
2D
0L
Anti-Grünfeld 2 games 2W 0D 0L
Basman-Williams Attack
2 games
2W
0D
0L
Dzindzi-Indian Defense 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Slav Defense 5 games 2W 0D 2L
Modern Line 5 games 2W 0D 2L
(unspecified)
5 games
2W
0D
2L
Queen's Gambit Declined 5 games 3W 0D 2L
(unspecified) 3 games 2W 0D 1L
(unspecified)
3 games
2W
0D
1L
Three Knights Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Queen's Knight Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
King's Indian Defense 4 games 1W 0D 3L
Fianchetto Variation 2 games 1W 0D 1L
Classical Variation
1 game
1W
0D
0L
Carlsbad Variation
1 game
0W
0D
1L
Semi-Averbakh System 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Normal Variation 1 game 0W 0D 1L
Standard Development
1 game
0W
0D
1L
Dutch Defense 4 games 4W 0D 0L
Queen's Knight Variation 2 games 2W 0D 0L
(unspecified)
2 games
2W
0D
0L
Stonewall Variation 1 game 1W 0D 0L
Modern Variation
1 game
1W
0D
0L
Rubinstein Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
King's Indian Attack 3 games 2W 0D 1L
(unspecified) 2 games 1W 0D 1L
(unspecified)
2 games
1W
0D
1L
Sicilian Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Bogo-Indian Defense 3 games 1W 2D 0L
Grünfeld Variation 2 games 0W 2D 0L
(unspecified)
2 games
0W
2D
0L
Retreat Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
King's Indian Attack, with e6 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Queen's Indian Defense, with e3 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
French Defense 1 game 1W 0D 0L
Steiner Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Semi-Slav Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
English Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Benoni Defense 1 game 1W 0D 0L
Benoni-Indian Defense 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Benko Gambit Accepted 1 game 1W 0D 0L
King Walk Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Caro-Kann Defense 1 game 0W 0D 1L
Exchange Variation 1 game 0W 0D 1L
Rubinstein Variation
1 game
0W
0D
1L
Queen's Indian Defense 1 game 0W 0D 1L
Miles Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Tarrasch Defense 1 game 0W 1D 0L
Two Knights Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
As Black 57 games 25W 10D 22L
Sicilian Defense 30 games 10W 5D 15L
Najdorf Variation 9 games 3W 0D 6L
English Attack
3 games
1W
0D
2L
Opocensky Variation
2 games
0W
0D
2L
Amsterdam Variation
1 game
1W
0D
0L
Adams Attack
1 game
1W
0D
0L
(unspecified)
1 game
0W
0D
1L
Opocensky Variation, Traditional Line
1 game
0W
0D
1L
Closed 6 games 2W 2D 2L
(unspecified)
3 games
1W
1D
1L
Traditional
2 games
0W
1D
1L
Anti-Sveshnikov Variation
1 game
1W
0D
0L
Grand Prix Attack 4 games 2W 1D 1L
(unspecified)
4 games
2W
1D
1L
Modern Variations 3 games 0W 2D 1L
Main Line
2 games
0W
2D
0L
(unspecified)
1 game
0W
0D
1L
Four Knights Variation 2 games 1W 0D 1L
Cobra Variation
2 games
1W
0D
1L
Moscow Variation 1 game 0W 0D 1L
Main Line
1 game
0W
0D
1L
Pin Variation 1 game 0W 0D 1L
Koch Variation
1 game
0W
0D
1L
French Variation 1 game 0W 0D 1L
Normal
1 game
0W
0D
1L
Smith-Morra Gambit Accepted 1 game 1W 0D 0L
Pin Defense
1 game
1W
0D
0L
Venice Attack 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Alapin Variation 1 game 1W 0D 0L
Stoltz Attack
1 game
1W
0D
0L
Queen's Gambit Declined 6 games 2W 3D 1L
Ragozin Defense 5 games 2W 3D 0L
Vienna Variation
3 games
1W
2D
0L
Alekhine Variation
1 game
0W
1D
0L
(unspecified)
1 game
1W
0D
0L
Vienna Variation 1 game 0W 0D 1L
Quiet Variation
1 game
0W
0D
1L
English Opening 4 games 1W 2D 1L
Anglo-Indian Defense 2 games 0W 1D 1L
King's Knight Variation
2 games
0W
1D
1L
Agincourt Defense 1 game 0W 1D 0L
Wimpy System
1 game
0W
1D
0L
Neo-Catalan 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Queen's Pawn Game 4 games 4W 0D 0L
Colle System 2 games 2W 0D 0L
(unspecified)
2 games
2W
0D
0L
London System 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Veresov 1 game 1W 0D 0L
Richter Attack
1 game
1W
0D
0L
Zukertort Opening 3 games 1W 0D 2L
Nimzo-Larsen Variation 2 games 0W 0D 2L
(unspecified)
2 games
0W
0D
2L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Rapport-Jobava System 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
(unspecified)
2 games
2W
0D
0L
Indian Defense 2 games 0W 0D 2L
Anti-Nimzo-Indian 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Accelerated London System 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Nimzo-Indian Defense 2 games 1W 0D 1L
Sämisch Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Normal Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Catalan Opening 1 game 1W 0D 0L
Open Defense 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Bird Opening 1 game 1W 0D 0L
Dutch Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
King's Indian Attack 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Queen's Gambit Accepted 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Blunders Top 4 of 508
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 138 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.09.29 | 2026 NSW State Chess Championships | 9.9 | 2026.09.29 Vincent, Alaina (46608931) (1972) | 0 | 78.70% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.09.28 | 2026 NSW State Chess Championships | 8.10 | 2026.09.28 Power, Ted (3270157) (2012) | 1 | 95.70% | 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 | |
| 2026.09.28 | 2026 NSW State Chess Championships | 7.10 | 2026.09.28 Wang, Daniel (3238873) (2042) | 0 | 82.60% | 1. e4 c5 2. Nc3 d6 3. Nge2 e5 | |
| 2026.09.27 | 2026 NSW State Chess Championships | 6.10 | 2026.09.27 Li, Hui (15400310) (2078) | 1 | 89.10% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2026.09.26 | 2026 NSW State Chess Championships | 4.11 | 2026.09.26 Zheng, Tony (3221342) (2058) | 0 | 89.10% | 1. d4 e6 2. c4 Nf6 3. Nf3 Bb4+ | |
| 2026.09.26 | 2026 NSW State Chess Championships | 3.11 | 2026.09.26 Lane, Gary W (3203301) (2198) | * | - | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 | |
| 2026.09.26 | 2026 NSW State Chess Championships | 2.6 | 2026.09.26 Ni, Lucas (3239942) (2142) | 0 | 85.80% | 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 | |
| 2026.09.25 | 2026 NSW State Chess Championships | 1.7 | 2026.09.25 Liu, Eric (3250962) (2134) | ½ | 91.40% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | |
| 2026.07.31 | 2026 North Shore Club Championship | 6.3 | 2026.07.31 Truong, Minh Nhat (sunny) (4323572) (1733) | 1 | 97.60% | 1. c4 e6 2. Nf3 d5 3. d4 Nf6 | |
| 2026.07.24 | 2026 North Shore Club Championship | 5.4 | 2026.07.24 Hwang, Ryan (4313313) (1704) | 1 | 90.60% | 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 | |
| 2026.07.18 | 2026 North Shore Club Championship | 4.8 | 2026.07.18 Uryvaev, Gleb (4334345) (1657) | 1 | 88.80% | 1. Nf3 d5 2. d4 Nf6 3. c4 e6 | |
| 2026.07.12 | Round 6: Yu, Zachary - Zhang, Lucas | 6.6 | 2026.07.12 Zhang, Lucas (4320409) (1762) | 1 | 88.90% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | |
| 2026.07.11 | Round 5: Langford, Joshua - Yu, Zachary | 5.3 | 2026.07.11 Langford, Joshua (4314557) (1959) | 0 | 81.20% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.07.11 | Round 4: Yu, Zachary - McLaren, Leonard J | 4.2 | 2026.07.11 McLaren, Leonard J (4300270) (2011) | ½ | 88.20% | 1. d4 Nf6 2. g3 e6 3. Bg2 d5 | |
| 2026.07.10 | Round 3: Wilson, Dion A - Yu, Zachary | 3.2 | 2026.07.10 Wilson, Dion A (4321413) (2024) | ½ | 93.70% | 1. e4 c5 2. Nc3 e6 3. Nge2 Nc6 | |
| 2026.07.10 | Round 2: Yu, Zachary - Braganza, Nadia | 2.4 | 2026.07.10 Braganza, Nadia (4305337) (1866) | 1 | 93.90% | 1. d4 d5 2. Nf3 Nf6 3. g3 e6 | |
| 2026.07.10 | Round 1: Gunn, Neil J - Yu, Zachary | 1.6 | 2026.07.10 Gunn, Neil J (4301110) (1771) | 1 | 91.60% | 1. d4 Nf6 2. Nc3 d5 3. Bf4 e6 | |
| 2026.07.08 | North Island Chess Championships 2026 | 08 | 2026.07.08 Huang, Ziyu (8634947) (1796) | ½ | 95.30% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | |
| 2026.07.07 | North Island Chess Championships 2026 | 07 | 2026.07.07 Keith, Matthew (4320913) (2047) | 0 | 80.00% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2026.07.07 | North Island Chess Championships 2026 | 06 | 2026.07.07 Gan, Emily Cathay (4310608) (1866) | 1 | 95.70% | 1. d4 Nf6 2. c4 g6 3. h4 Bg7 | |
| 2026.07.06 | North Island Chess Championships 2026 | 05 | 2026.07.06 Hu, Nolan (4325869) (1510) | 1 | 96.80% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | |
| 2026.07.06 | North Island Chess Championships 2026 | 04 | 2026.07.06 Liu, William Rui (4313593) (2195) | 0 | 89.80% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2026.07.05 | North Island Chess Championships 2026 | 03 | 2026.07.05 Zhang, Lucas (4320409) (1762) | 1 | 94.70% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | |
| 2026.07.05 | North Island Chess Championships 2026 | 02 | 2026.07.05 Chan, Chi Ngo (6015905) (1752) | ½ | 60.80% | 1. e4 c5 2. Nc3 Nc6 3. f4 g6 | |
| 2026.07.05 | 2026 North Shore Club Championship | 3.5 | 2026.07.05 Korolev, Aleksei (4324820) (1721) | 0 | 81.30% | 1. e4 c5 2. Nc3 Nc6 3. f4 g6 | |
| 2026.07.04 | North Island Chess Championships 2026 | 01 | 2026.07.04 Nazeer, Afique M (9970703) (1594) | 1 | 94.80% | 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 | |
| 2026.06.26 | 2026 North Shore Club Championship | 2.9 | 2026.06.26 Johns, Daniel P (4303296) (1706) | 1 | 97.60% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | |
| 2026.05.09 | rated rapid game | - | 2026.05.09 Fitzgerald, Niall (2511185) (1904) | 1 | 87.30% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | |
| 2026.05.09 | rated rapid game | - | 2026.05.09 Skurniak, Szymon (21805571) (2084) | 1 | 89.20% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.05.09 | rated rapid game | - | 2026.05.09 Tew, Yao Zen Markis (35814420) (2069) | 0 | 81.90% | 1. d4 Nf6 2. Nf3 d5 3. c4 e6 | |
| 2026.05.09 | rated rapid game | - | 2026.05.09 Soham Dey (46678131) (2061) | 0 | 85.60% | 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 | |
| 2026.05.09 | rated rapid game | - | 2026.05.09 Jamil, Farhan Sakief (532006020) (1595) | 1 | 97.10% | 1. e4 c5 2. d4 cxd4 3. c3 dxc3 | |
| 2026.05.09 | rated rapid game | - | 2026.05.09 Harutyunyan, Meline (13316672) (1889) | 0 | 81.90% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | |
| 2026.05.09 | rated rapid game | - | 2026.05.09 Chong, Bok Siong (5726905) (1678) | 1 | 92.70% | 1. d4 Nf6 2. Nc3 d5 3. Bf4 e6 | |
| 2026.04.12 | Open (U12- U20) | 09 | 2026.04.12 Xing, Zerui (3236714) (2011) | 1 | - | 1. e4 e6 2. c4 d5 3. cxd5 exd5 | |
| 2026.04.12 | Open (U12- U20) | 08 | 2026.04.12 Renjith, Sravan (4306783) (2351) | 0 | 83.90% | 1. Nf3 Nf6 2. c4 e6 3. b3 d5 | |
| 2026.04.11 | Open (U12- U20) | 07 | 2026.04.11 Yelkhovsky, Daniil (3271390) (1875) | 1 | 94.10% | 1. Nf3 Nf6 2. g3 g6 3. c4 Bg7 | |
| 2026.04.10 | Open (U12- U20) | 5 | 2026.04.10 Chang, Ethan (3245080) (2134) | 0 | 91.10% | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 | |
| 2026.02.06 | 2026 NSCC Summer Cup | 2.2 | 2026.02.06 Jiang, Patrick Di (4317726) (1805) | 1 | 97.40% | 1. d4 f5 2. c4 e6 3. Nf3 Nf6 | |
| 2026.01.29 | 2026 NSCC Summer Cup | 3.1 | 2026.01.29 Sun, Oliver (4325184) (1768) | ½ | 84.40% | 1. d4 Nf6 2. Nf3 d5 3. c4 e6 | |
| 2026.01.29 | 2026 NSCC Summer Cup | 1.2 | 2026.01.29 Korolev, Maksim (4325427) (1584) | 1 | 96.00% | 1. e4 c5 2. Nc3 Nc6 3. f4 g6 | |
| 2026.01.20 | Middle Game Challengers | 08 | 2026.01.20 Xu, Jeremy Xi (4319877) (1758) | 1 | 92.40% | 1. d4 d5 2. Nf3 Nf6 3. g3 e6 | |
| 2026.01.19 | Middle Game Challengers | 07 | 2026.01.19 Wiratunga, Jenith (452335) (2044) | 1 | 94.10% | 1. Nf3 d5 2. e3 Nf6 3. b3 Bf5 | |
| 2026.01.18 | Middle Game Challengers | 06 | 2026.01.18 Wang, Zi Yao (kelvin) (4318358) (1894) | 0 | 89.30% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | |
| 2026.01.18 | Round 5: Tao, Junqing Jerome - Yu, Zachary | 5.3 | 2026.01.18 Tao, Junqing Jerome (4313895) (1875) | 0 | 80.30% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.01.17 | Round 4: Yu, Zachary - Xu, Luna Yuexiu | 4.4 | 2026.01.17 Xu, Luna Yuexiu (4317360) (1880) | 1 | 97.90% | 1. c4 e5 2. Nc3 Bb4 3. Nd5 Be7 | |
| 2026.01.16 | Round 3: Mao, Daqi - Yu, Zachary | 3.2 | 2026.01.16 Mao, Daqi (4311370) (2222) | 0 | - | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | |
| 2026.01.15 | Round 2: Yu, Zachary - Jiang, Patrick Di | 2.5 | 2026.01.15 Jiang, Patrick Di (4317726) (1761) | 1 | 92.70% | 1. d4 f5 2. c4 e6 3. Nc3 Nf6 | |
| 2026.01.13 | Round 1: Yu, Zachary - Domalchuk-Jonasson, Aleksandr | 1.1 | 2026.01.13 Domalchuk-Jonasson, Aleksandr (14142805) (2360) | 0 | 84.40% | 1. Nf3 d5 2. g3 Nc6 3. d4 Bf5 | |
| 2026.01.10 | 2025 NZ Champs | 9.9 | 2026.01.10 Gan, Emily Cathay (4310608) (1832) | 1 | 92.80% | 1. d4 Nf6 2. c4 g6 3. h4 Bg7 | |
| 2026.01.09 | 2025 NZ Champs | 8.7 | 2026.01.09 Ker, Anthony F (4300084) (2191) | ½ | - | 1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 | |
| 2026.01.08 | 2025 NZ Champs | 7.7 | 2026.01.08 Smith, Robert W (4300190) (2136) | ½ | - | 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 | |
| 2026.01.07 | 2025 NZ Champs | 6.5 | 2026.01.07 Steele, Hayden (4319176) (1853) | 0 | - | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.01.05 | 2025 NZ Champs | 5.8 | 2026.01.05 Rains, Edward (4302940) (2021) | 1 | 88.10% | 1. e4 c5 2. Nc3 d6 3. f4 Nc6 | |
| 2026.01.04 | 2025 NZ Champs | 4.12 | 2026.01.04 Thurner, Anya (4307780) (1841) | 1 | 96.20% | 1. c4 e6 2. Nc3 d5 3. e3 Nf6 | |
| 2026.01.04 | 2025 NZ Champs | 3.9 | 2026.01.04 Sun, Nathan (4315332) (1796) | 0 | - | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2026.01.04 | 2025 NZ Champs | 2.2 | 2026.01.04 Stopa, Jacek (1119591) (2330) | 0 | - | 1. e4 c5 2. Nf3 d6 3. Bc4 e5 | |
| 2026.01.02 | 2025 NZ Champs | 1.11 | 2026.01.02 Feng, Sophia (4312635) (1797) | 1 | - | 1. c4 e6 2. Nf3 d5 3. d4 Nf6 | |
| 2025.09.28 | South Island Rapid Chess Championships | 6.3 | 2025.09.28 Johnson, Quentin J.F. (4301480) (1968) | 1 | 88.80% | 1. c4 Nf6 2. Nc3 c5 3. Nf3 Nc6 | |
| 2025.09.28 | South Island Rapid Chess Championships | 5.7 | 2025.09.28 Yu, Weiyang Cadence (4313135) (1630) | 1 | 95.50% | 1. c4 e6 2. Nc3 d5 3. d4 Bb4 | |
| 2025.09.28 | South Island Rapid Chess Championships | 4.11 | 2025.09.28 Broad, Cory (4317220) (1651) | 1 | 89.30% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.09.27 | Round 3: Yu, Zachary - Stark, John | 3.2 | 2025.09.27 Stark, John (4300963) (1988) | 0 | 82.30% | 1. d4 e6 2. c4 b6 3. Nf3 Bb7 | |
| 2025.09.27 | South Island Rapid Chess Championships | 2.11 | 2025.09.27 Agnew, Steve (4332334) (1526) | 1 | - | 1. f4 d5 2. Nf3 c5 3. e3 Nc6 | |
| 2025.09.27 | 2025 South Island Chess Championships | 8.2 | 2025.09.27 Van Der Hoorn, Thomas (4314565) (1971) | ½ | 96.40% | 1. Nf3 Nf6 2. c4 e6 3. e3 d5 | |
| 2025.09.26 | 2025 South Island Chess Championships | 7.8 | 2025.09.26 Heperi, Dallin (4309260) (1747) | 1 | - | 1. d4 c5 2. d5 Nf6 3. Nc3 d6 | |
| 2025.09.26 | 2025 South Island Chess Championships | 6.3 | 2025.09.26 Wang, Justin Zhide (4312830) (2034) | 0 | 80.80% | 1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 | |
| 2025.09.25 | 2025 South Island Chess Championships | 4.7 | 2025.09.25 Holdo, Karl (4304586) (1707) | 1 | - | 1. d4 Nf6 2. Nf3 d5 3. e3 c5 | |
| 2025.09.25 | 2025 South Island Chess Championships | 5.6 | 2025.09.25 Braganza, Nadia (4305337) (1829) | 1 | 97.30% | 1. c4 Nf6 2. Nc3 e6 3. e4 d5 | |
| 2025.09.25 | 2025 South Island Chess Championships | 3.3 | 2025.09.25 Johnson, Quentin J.F. (4301480) (1942) | 0 | - | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | |
| 2025.07.07 | North Island Chess Championships 2025 | 8.3 | 2025.07.07 Dive, Russell John (4300106) (2170) | 1 | 96.30% | 1. d4 Nf6 2. c4 c5 3. d5 b5 | |
| 2025.07.07 | North Island Chess Championships 2025 | 7.2 | 2025.07.07 Mao, Daqi (4311370) (2142) | 0 | - | 1. Nf3 Nf6 2. b3 d5 3. Bb2 c5 | |
| 2025.07.06 | North Island Chess Championships 2025 | 6.4 | 2025.07.06 Archer, Ollie (4317262) (2109) | 1 | 95.70% | 1. d4 Nf6 2. Bf4 d5 3. e3 c5 | |
| 2025.07.05 | Round 5: Yu, Zachary - Nicholls, Leighton | 5.5 | 2025.07.05 Nicholls, Leighton (4303776) (1871) | 1 | 95.20% | 1. d4 f5 2. c4 Nf6 3. Nc3 g6 | |
| 2025.07.05 | North Island Chess Championships 2025 | 4.6 | 2025.07.05 Ha, Timothy Huy Minh (12417246) (1782) | 1 | 95.00% | 1. d4 Nf6 2. Nf3 d5 3. e3 c5 | |
| 2025.07.04 | Round 2: Tao, Junqing Jerome - Yu, Zachary | 2.8 | 2025.07.04 Tao, Junqing Jerome (4313895) (1772) | 1 | - | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.07.04 | Round 1: Yu, Zachary - Wickramathanthri Dinuga | 1.8 | 2025.07.04 Wickramathanthri Dinuga (29974577) (1447) | 1 | - | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 | |
| 2025.06.29 | North Island Chess Championships 2025 | 3.1 | 2025.06.29 Ang, Alphaeus Wei Ern (4303636) (2407) | 0 | 86.50% | 1. c4 Nf6 2. d4 g6 3. g3 Bg7 | |
| 2025.06.22 | Peter Stuart Memorial Open 2025 | 6.3 | 2025.06.22 Slater-Jones, Henry (3222101) (1927) | ½ | - | 1. c4 e6 2. Nf3 Nf6 3. g3 Be7 | |
| 2025.06.21 | Peter Stuart Memorial Open 2025 | 4.3 | 2025.06.21 Tao, Junqing Jerome (4313895) (1784) | 1 | 95.10% | 1. Nf3 d5 2. g3 Nc6 3. d4 Bf5 | |
| 2025.06.20 | Peter Stuart Memorial Open 2025 | 2.12 | 2025.06.20 Johns, Daniel P (4303296) (1673) | 1 | 93.60% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | |
| 2025.06.19 | Peter Stuart Memorial Open 2025 | 1.7 | 2025.06.19 Liu, Brian (4314859) (1725) | ½ | 95.10% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.06.17 | Peter Stuart Memorial Open 2025 | 5.1 | 2025.06.17 Xie, Felix (4308174) (2366) | 0 | 90.70% | 1. Nf3 Nf6 2. b3 d5 3. Bb2 c5 | |
| 2025.06.02 | Round 6: Fikh, Anthony - Yu, Zachary | 6.8 | 2025.06.02 Fikh, Anthony (3224562) (1940) | ½ | 90.90% | 1. Nf3 Nf6 2. c4 e6 3. e3 d5 | |
| 2025.06.01 | Round 5: Yu, Zachary - Tew, Yao Zen Markis | 5.7 | 2025.06.01 Tew, Yao Zen Markis (35814420) (1936) | 0 | 86.60% | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | |
| 2025.06.01 | Round 4: Preeyansh Roul - Yu, Zachary | 4.12 | 2025.06.01 Preeyansh Roul (33398453) (1937) | 1 | - | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | |
| 2025.05.31 | Round 3: Yu, Zachary - Keith, Matthew | 3.15 | 2025.05.31 Keith, Matthew (4320913) (1817) | 1 | 91.30% | 1. c4 e6 2. Nf3 d5 3. d4 Nf6 | |
| 2025.05.31 | Round 2: Liu, William Rui - Yu, Zachary | 2.8 | 2025.05.31 Liu, William Rui (4313593) (2006) | 0 | 89.30% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.05.30 | Round 1: Yu, Zachary - Hettiarachchi, Buthsara | 1.12 | 2025.05.30 Hettiarachchi, Buthsara (4318250) (1840) | ½ | 82.90% | 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ | |
| 2025.05.25 | ACA A-Grade Interclubs 2025 | 4.5 | 2025.05.25 Wiratunga, Ishan (9985557) (1845) | 1 | - | 1. d4 d5 2. c4 e6 3. Nf3 a6 | |
| 2025.05.23 | ACA A-Grade Interclubs 2025 | 1.5 | 2025.05.23 Somaraju, Sai Vivan Karthikeya (110033474) (1904) | 1 | 88.40% | 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 | |
| 2025.04.18 | 2025 O2C Doeberl Cup Premier | 4.7 | 2025.04.18 Lane, Gary W (3203301) (2250) | 0 | 87.90% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2025.01.19 | Round 9: Weng, Winston - Yu, Zachary | 9.1 | 2025.01.19 Weng, Winston (4306414) (1911) | 1 | 94.80% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | |
| 2025.01.18 | Round 8: Yu, Zachary - Tew, Yao Zen Markis | 8.1 | 2025.01.18 Tew, Yao Zen Markis (35814420) (1913) | ½ | 96.40% | 1. c4 e6 2. d4 d5 3. Nf3 Nf6 | |
| 2025.01.17 | Round 7: Cooper, Nigel - Yu, Zachary | 7.1 | 2025.01.17 Cooper, Nigel (4300840) (1638) | 1 | 97.20% | 1. d4 Nf6 2. Nc3 d5 3. f3 e6 | |
| 2025.01.17 | Round 6: Yu, Zachary - Liu, William Rui | 6.1 | 2025.01.17 Liu, William Rui (4313593) (1946) | 1 | 96.40% | 1. c4 e6 2. d4 d5 3. Nf3 Nf6 | |
| 2025.01.16 | Round 5: Jin, Yanbo - Yu, Zachary | 5.1 | 2025.01.16 Jin, Yanbo (4324900) (1976) | 1 | 89.90% | 1. Nf3 Nf6 2. c4 e6 3. g3 d5 | |
| 2025.01.15 | Round 4: Yu, Zachary - Seidl, Milan | 4.1 | 2025.01.15 Seidl, Milan (533002614) (1800) | 1 | 94.80% | 1. c4 e5 2. Nc3 Nc6 3. Nf3 Bc5 | |
| 2025.01.13 | Middle Game Chess Foundation Challengers | 03 | 2025.01.13 Lu, Xiahan (Luna) (4317076) (1722) | ½ | 84.30% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | |
| 2025.01.13 | Middle Game Chess Foundation Challengers | 02 | 2025.01.13 Slater-Jones, Henry (3222101) (1906) | 1 | 95.30% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | |
| 2025.01.13 | Middle Game Chess Foundation Challengers | 01 | 2025.01.13 Wang, Justin Zhide (4312830) (1895) | 1 | 94.90% | 1. e4 c5 2. Nc3 Nc6 3. f4 g6 | |
| 2025.01.10 | New Zealand Chess Congress 2025 | 09 | 2025.01.10 Wang, Zi Yao (kelvin) (4318358) (1757) | 1 | 97.60% | 1. e4 c5 2. c3 Nf6 3. e5 Nd5 | |
| 2025.01.09 | New Zealand Chess Congress 2025 | 08 | 2025.01.09 Smith, Robert W (4300190) (2035) | 0 | 56.80% | 1. c4 Nf6 2. Nc3 g6 3. d4 d6 | |
| 2025.01.08 | New Zealand Chess Congress 2025 | 07 | 2025.01.08 Fulo, Nunilon III (5222753) (1972) | ½ | 90.40% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.01.07 | New Zealand Chess Congress 2025 | 06 | 2025.01.07 Weng, Winston (4306414) (1911) | ½ | 91.30% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | |
| 2025.01.06 | New Zealand Chess Congress 2025 | 05 | 2025.01.06 Metge, J. Nigel (4300181) (1885) | 1 | 97.50% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2025.01.05 | New Zealand Chess Congress 2025 | 04 | 2025.01.05 Wang, Justin Zhide (4312830) (1894) | ½ | 94.60% | 1. d4 e6 2. c4 Bb4+ 3. Nd2 Nf6 | |
| 2025.01.04 | New Zealand Chess Congress 2025 | 03 | 2025.01.04 Van Riemsdijk, Herman C. (2100053) (2249) | 0 | 89.30% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.01.03 | New Zealand Chess Congress 2025 | 02 | 2025.01.03 Qin, Oscar Shu Xuan (4304314) (1907) | 1 | 94.70% | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 | |
| 2025.01.02 | New Zealand Chess Congress 2025 | 01 | 2025.01.02 Malcolm, Leo (4317408) (1793) | 1 | 97.40% | 1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 | |
| 2024.06.29 | Peter Stuart Memorial Open 2024 | 4.3 | 2024.06.29 Ang, Alphaeus Wei Ern (4303636) (2300) | 0 | 79.80% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | |
| 2024.06.10 | Round 6: Yu, Zachary - Shen, Zhiyuan | 2024.06.10 Shen, Zhiyuan (8608482) (1974) | 0 | 64.30% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | ||
| 2024.06.08 | Round 2: Chakrabarty, Reyaansh - Yu, Zachary | 2024.06.08 Chakrabarty, Reyaansh (3256944) (2185) | 0 | 86.70% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| 2024.06.03 | Round 6: Yu, Zachary - Weng, Winston | 2024.06.03 Weng, Winston (4306414) (1863) | 1 | 97.70% | 1. Nf3 d5 2. g3 c5 3. Bg2 e6 | ||
| 2024.06.02 | Round 4: Yu, Zachary - Duneas, John | 2024.06.02 Duneas, John (4302052) (1990) | 0 | 89.80% | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 | ||
| 2024.06.01 | Round 2: Yu, Zachary - McLaren, Leonard | 2024.06.01 McLaren, Leonard J (4300270) (2030) | 0 | 90.40% | 1. d4 Nf6 2. c4 e6 3. Nf3 b6 | ||
| 2024.05.19 | Round 6: Yu, Zachary - Malcolm, Leo | 2024.05.19 Malcolm, Leo (4317408) (1804) | 1 | 89.60% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | ||
| 2024.05.18 | Round 5: Lukey, Stephen G - Yu, Zachary | 2024.05.18 Lukey, Stephen G (4300386) (2112) | 1 | 91.50% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | ||
| 2024.05.18 | Round 3: Yu, Zachary - Rains, Edward | 2024.05.18 Rains, Edward (4302940) (1997) | 0 | 68.90% | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 | ||
| 2024.05.18 | Round 2: Wang, Justin Zhide - Yu, Zachary | 2024.05.18 Wang, Justin Zhide (4312830) (1851) | 1 | 92.80% | 1. e4 c5 2. Nc3 Nc6 3. Nf3 e5 | ||
| 2024.04.05 | Round 7: Davis, Tony J - Yu, Zachary | 2024.04.05 Davis, Tony J (3205550) (1900) | 0 | 86.10% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | ||
| 2024.04.05 | Round 6: Yu, Zachary - Tang, Terrence | 2024.04.05 Tang, Terrence (3244164) (1971) | ½ | 94.00% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | ||
| 2024.04.04 | Round 5: Yu, Zachary - Kalina, Leo | 2024.04.04 Kalina, Leo (3244849) (1924) | 1 | 93.50% | 1. d4 Nf6 2. c4 e6 3. Nf3 a6 | ||
| 2023.06.05 | Trusts Open | 6 | 2023.06.05 Park-Tamati, Philli (4309090) (1870) | 0 | 90.20% | 1. d4 Nf6 2. Bf4 d5 3. e3 c5 | |
| 2023.06.04 | Trusts Open | 5 | 2023.06.04 Sun, Wanyao Sarah (4313887) (1557) | 1 | 96.70% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2023.06.04 | Trusts Open | 4 | 2023.06.04 Dare, Richard J (4301722) (1903) | ½ | 91.20% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2023.06.03 | Trusts Open | 2 | 2023.06.03 Hague, Ben (405647) (2351) | 0 | 80.50% | 1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 | |
| 2024.01.06 | Round 5: Zachary Yu - Anthony L Carpinter | 2024.01.06 Anthony L Carpinter (2080) | 0 | 88.50% | 1. d4 d5 2. c4 e6 3. Nf3 a6 | ||
| 2024.01.05 | Round 4: Zachary Yu - Daniel Hanwen Gong | 2024.01.05 Daniel Hanwen Gong (2319) | 1 | 96.00% | 1. d4 f5 2. c4 Nf6 3. Nc3 g6 | ||
| 2024.01.04 | Round 3: Hao Tang - Zachary Yu | 2024.01.04 Hao Tang (2008) | 0 | 82.40% | 1. d4 Nf6 2. Bf4 d5 3. e3 c5 | ||
| 2024.01.03 | Round 2: Zachary Yu - Sravan Renjith | 2024.01.03 Sravan Renjith (2257) | ½ | 90.50% | 1. d4 d5 2. c4 e6 3. Nf3 c5 | ||
| 2023.06.11 | Round 6: Brendan Anderson - Zachary Yu | 2023.06.11 Brendan Anderson | 1 | 93.70% | 1. d4 Nf6 2. Bg5 d5 3. e3 c5 | ||
| 2023.06.11 | Round 5: Zachary Yu - Harry Press | 2023.06.11 Harry Press | 0 | 78.60% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | ||
| 2023.06.10 | Round 1: Michael Kethro - Zachary Yu | 2023.06.10 Michael Kethro | 0 | 80.00% | 1. d4 Nf6 2. c4 e6 3. g3 d5 | ||
| 2023.01.10 | NZCongress R9: William Rui Liu - Zachary Yu | 2023.01.10 William Rui Liu | ½ | 94.60% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| 2023.01.09 | NZCongress R8: Zachary Yu - Ryan Winter | 2023.01.09 Ryan Winter | 0 | 72.50% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | ||
| 2023.01.08 | NZCongress R7: Euan McDougall - Zachary Yu | 2023.01.08 Euan McDougall | 1 | 91.50% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | ||
| 2023.01.07 | NZCongress R6: Zachary Yu - Nick Cummings | 2023.01.07 Nick Cummings | 1 | 90.90% | 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 | ||
| 2023.01.06 | NZCongress R5: Isabelle Yixuan Ning - Zachary Yu | 2023.01.06 Isabelle Yixuan Ning | ½ | 85.50% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 |