Koh Zi Yi

Region WCA ID Gender Competitions Completed Solves
Singapore 2022YIKO01 Male 26 873

Current Personal Records

Event NR CR WR Single Average WR CR NR
3x3x3 Cube 64 1949 5878 7.94 9.43 4579 1605 49
2x2x2 Cube 69 1571 6828 1.98 3.76 9119 2425 88
4x4x4 Cube 15 312 938 27.66 33.33 1221 429 20
5x5x5 Cube 13 167 472 50.20 57.90 603 217 16
6x6x6 Cube 18 260 756 1:48.53 1:58.33 859 297 19
7x7x7 Cube 24 508 1461 3:13.17 3:33.86 1756 619 28
3x3x3 One-Handed 18 392 1270 11.46 15.12 1580 528 20
Clock 83 1745 7367 11.04 14.89 8700 2053 85
Megaminx 25 568 2122 56.13 1:01.49 1883 505 24
Pyraminx 19 418 1688 2.29 3.08 787 228 14
Skewb 52 1775 6930 4.09 6.19 5477 1510 49
Square-1 6 54 278 6.78 9.62 323 60 8
Competition Round Place Single Average Solves
3x3x3 Cube
Singapore Skewby March 2025 First round 31 9.13 11.92 12.5714.2110.6212.569.13
Singapore Championship 2025 Second round 29 8.54 9.64 10.2812.418.548.809.85
First round 42 9.01 10.09 10.439.0112.9310.129.73
Singapore Freeze 2024 First round 20 9.63 10.86 10.429.6313.3311.3410.81
Singapore Marine Terrace Breeze RN 2024 Second round 14 8.95 9.64 8.9516.6310.069.699.18
First round 13 9.54 9.75 20.609.549.789.889.60
Cool Down Singapore 2024 Second round 32 8.94 10.75 9.848.9411.1214.0111.29
First round 16 8.31 9.64 9.439.6110.649.898.31
Mofunland Speedcubing Singapore 2024 Second round 28 9.87 10.86 10.9014.4010.6211.059.87
First round 23 9.25 9.88 9.519.8910.249.2511.82
Singapore 50 and Counting 2024 Second round 29 9.44 10.85 11.739.4414.8110.889.93
First round 29 9.25 10.69 12.3410.529.2510.9510.61
Singapore Mini 2024 Semi Final 14 7.94 9.43 7.9410.069.3210.208.92
Second round 13 9.41 9.79 10.489.8910.009.419.49
First round 23 9.00 10.36 9.0012.0011.399.1110.58
Singapore Newcomers 2024 First round 34 9.63 11.04 9.8111.9011.9611.429.63
MYHM Singapore Championship 2024 First round 75 9.92 12.00 12.6410.6012.7613.289.92
NTU Speedcubing 2023 First round 49 11.88 13.21 11.8816.5215.0112.3112.30
Singapore AMK CC Cubing B 2023 First round 36 11.07 13.78 18.0314.9314.2911.0712.12
NTU Welcome 2023 First round 139 12.92 DNF 15.4220.41DNF12.92DNF
2x2x2 Cube
Singapore Mid April 2025 First round 25 3.77 4.54 3.774.754.544.334.91
Mofunland Speedcubing Singapore 2024 First round 36 1.98 3.76 4.614.312.375.161.98
Cecil Singapore Playoffs 2024 First round 17 2.97 4.50 3.545.854.122.975.85
Singapore 50 and Counting 2024 First round 32 2.96 4.30 6.434.564.022.964.33
Singapore Mini 2024 First round 40 3.12 4.30 4.163.124.174.824.58
Singapore Newcomers 2024 First round 48 4.27 4.40 4.564.276.214.284.37
NTU Speedcubing 2023 First round 59 5.18 6.08 7.656.115.505.186.62
Singapore AMK CC Cubing B 2023 First round 29 3.90 4.77 9.654.055.374.893.90
NTU Welcome 2023 First round 82 5.63 7.08 6.6816.605.637.537.02
4x4x4 Cube
Singapore Mid April 2025 Final 7 32.19 37.88 32.1945.9938.0437.7737.82
Second round 7 29.25 34.26 40.8936.2934.2729.2532.22
First round 6 28.94 33.53 33.1128.9430.9836.5138.26
OH My March Singapore 2025 Final 7 31.71 36.09 31.7142.0532.5338.7337.00
First round 6 32.50 35.49 34.9338.2640.4432.5033.28
Singapore Championship 2025 Second round 24 27.66 34.88 39.1927.6636.0231.8336.80
First round 24 31.45 33.33 37.7532.9334.9132.1431.45
Cool Down Singapore 2024 Second round 13 31.05 34.27 31.0533.9336.8933.0635.81
First round 17 32.95 34.93 32.9533.8535.5035.4339.71
Singapore Masters 2024 First round 8 36.11 38.04 36.1140.6537.5139.2837.34
Mega Time Singapore 2024 Second round 15 35.12 37.76 35.1237.8137.8137.6638.09
First round 16 34.39 38.77 34.3943.0738.8037.8939.62
Singapore Sprint 2024 First round 12 31.86 35.66 35.3035.6936.0031.8636.80
Singapore Clock Clash 2024 First round 9 33.21 36.23 34.3233.2136.7637.6139.98
Singapore Max 2024 First round 15 33.59 36.31 41.1933.5937.5935.4635.87
Singapore Special 2024 First round 16 36.46 39.67 39.0241.6238.3636.4642.59
Please Don't Pop Austin 2024 Final 20 37.01 43.80 41.6042.6547.1555.8037.01
First round 16 32.94 38.54 32.9437.0238.4341.9940.18
MYHM Singapore Championship 2024 Second round 23 34.13 41.01 43.6737.4834.1341.8846.60
First round 22 34.56 38.13 38.9734.5640.9540.4534.98
NTU Speedcubing 2023 First round 31 44.12 52.90 DNF44.1250.4854.5053.73
Singapore AMK CC Cubing B 2023 First round 22 44.46 50.49 53.4850.7150.1650.6144.46
5x5x5 Cube
OH My March Singapore 2025 Final 7 59.26 1:03.66 59.261:03.191:02.401:05.391:07.20
First round 7 50.20 1:01.37 1:00.001:03.391:05.211:00.7150.20
Singapore Championship 2025 First round 18 53.76 1:01.22 1:03.5453.761:02.001:01.151:00.51
Singapore Freeze 2024 Final 8 55.24 1:01.79 1:01.261:01.9055.241:02.221:04.50
First round 6 53.48 57.90 1:06.071:00.9353.4858.3054.47
Cool Down Singapore 2024 First round 15 1:00.65 1:03.55 1:01.441:06.321:05.201:00.651:04.02
Singapore Masters 2024 First round 9 1:02.10 1:09.11 1:10.271:09.151:07.901:02.101:11.38
Mega Time Singapore 2024 First round 13 59.20 1:07.14 1:04.031:07.5359.201:09.871:11.55
Singapore Max 2024 First round 13 1:00.04 1:04.87 1:00.041:06.751:04.051:10.201:03.82
Singapore Special 2024 First round 14 1:01.56 1:07.75 1:10.351:06.821:06.071:10.651:01.56
Singapore Sides Standoff 2024 Final 8 59.38 1:10.42 1:07.011:12.351:11.911:14.3159.38
First round 8 1:04.69 1:08.75 1:04.691:11.741:05.831:11.291:09.13
Please Don't Pop Austin 2024 Second round 17 1:01.85 1:11.66 1:08.641:20.151:22.471:01.851:06.20
First round 15 1:09.64 1:10.74 1:09.801:09.641:15.051:09.991:12.44
Singapore Masters 2023 First round 18 1:06.73 1:15.19 1:16.041:06.731:21.871:12.961:16.58
6x6x6 Cube
OH My March Singapore 2025 Final 8 1:57.02 1:58.33 1:59.701:58.271:57.02
Singapore Championship 2025 First round 19 1:51.17 2:00.55 2:03.091:51.172:07.38
Cool Down Singapore 2024 First round 13 1:48.53 2:00.17 1:48.531:59.572:12.41
Singapore Masters 2024 Final 7 1:55.17 1:58.46 1:55.172:00.122:00.09
Mega Time Singapore 2024 Final 13 1:53.08 2:02.70 1:53.082:08.942:06.07
Singapore Max 2024 First round 18 2:11.79 2:14.97 2:16.262:16.852:11.79
Singapore Special 2024 Final 16 2:02.86 2:08.52 2:16.642:06.072:02.86
Please Don't Pop Austin 2024 Second round 16 2:13.91 2:23.52 2:33.632:13.912:23.01
First round 15 2:08.53 2:16.46 2:13.622:27.242:08.53
Singapore Masters 2023 First round 17 2:08.11 2:12.85 2:08.112:08.702:21.75
7x7x7 Cube
Singapore Masters 2024 Final 8 3:13.17 3:33.86 3:42.343:46.073:13.17
Mega Time Singapore 2024 Final 15 3:42.60 3:55.39 3:57.883:42.604:05.70
Please Don't Pop Austin 2024 Second round 17 3:46.99 3:53.10 3:53.723:46.993:58.58
First round 16 3:56.11 4:03.95 4:02.594:13.143:56.11
3x3x3 Blindfolded
NTU Welcome 2023 Final 16 DNF DNF DNFDNSDNF
3x3x3 One-Handed
OH My March Singapore 2025 Second round 10 12.92 15.83 17.5112.9215.2914.7018.63
First round 11 14.90 15.84 15.5416.1314.9023.5315.84
Singapore Skewby March 2025 First round 10 14.87 16.05 14.8717.4319.0815.2515.46
Singapore Championship 2025 Second round 15 12.67 15.53 15.5914.8016.2118.2512.67
First round 19 12.35 15.98 15.7922.4715.6012.3516.54
A New Year in Singapore 2025 First round 12 15.66 18.07 19.3518.9319.2616.0215.66
Singapore Freeze 2024 First round 10 13.53 16.33 15.9528.2316.2116.8213.53
Singapore Marine Terrace Breeze RN 2024 First round 12 15.55 17.18 17.2115.5522.5215.5618.77
Cool Down Singapore 2024 Final 12 12.88 16.48 16.9617.5214.9721.7912.88
Second round 10 14.00 16.18 17.9114.0017.9315.6215.02
First round 11 12.49 15.93 12.4914.4815.7918.4617.53
Mofunland Speedcubing Singapore 2024 First round 14 14.02 15.57 14.0215.5516.3714.7917.97
Singapore Sprint 2024 Final 7 11.46 15.59 16.7311.4614.2115.8417.11
First round 7 13.00 15.12 15.0215.4113.0019.4214.93
Cecil Singapore Playoffs 2024 Final 5 15.04 17.46 16.3917.5215.0418.47DNF
Second round 5 13.29 15.71 13.2915.6915.3316.5116.11
First round 3 13.55 15.78 16.9014.1613.5516.27DNF
Singapore Clock Clash 2024 Final 4 13.17 15.42 14.8718.2213.6513.1717.73
First round 5 14.22 15.87 17.6514.2217.1114.5315.96
Singapore 50 and Counting 2024 Final 10 13.69 16.39 13.6918.0416.9614.4117.81
First round 10 12.79 15.85 15.7015.9017.6515.9412.79
Singapore Sides Standoff 2024 First round 11 16.02 17.44 16.2119.2120.5916.0216.89
MYHM Singapore Championship 2024 Second round 22 14.99 17.72 17.2325.1420.7614.9915.18
First round 22 15.57 17.47 19.8217.8615.5717.3717.19
NTU Speedcubing 2023 First round 37 25.64 27.29 29.3125.6427.5226.8727.48
Singapore AMK CC Cubing B 2023 First round 18 17.90 22.38 17.9029.6522.4121.8222.92
NTU Welcome 2023 First round 46 23.57 26.68 49.2424.8729.4925.6923.57
Clock
Singapore Masters 2024 First round 18 11.04 14.89 13.4819.0912.1032.4211.04
Megaminx
OH My March Singapore 2025 First round 9 56.13 1:01.49 59.121:02.631:02.7156.131:04.82
Singapore Championship 2025 First round 22 58.02 1:06.81 1:02.851:09.061:08.5258.021:16.21
A New Year in Singapore 2025 First round 14 57.73 1:08.21 1:00.291:19.311:19.931:05.0357.73
Singapore Freeze 2024 First round 12 1:00.94 1:05.61 1:05.281:07.151:05.231:00.941:06.31
Singapore Masters 2024 First round 13 1:05.52 1:22.76 1:05.521:35.901:15.821:19.791:32.68
Mega Time Singapore 2024 Second round 15 1:05.58 1:13.28 1:10.011:10.201:05.581:21.451:19.64
First round 15 58.97 1:09.65 1:10.511:11.9258.971:22.641:06.53
Pyraminx
Singapore Mid April 2025 Second round 12 3.25 4.10 DNF4.044.813.253.46
First round 7 2.47 3.23 3.472.653.582.476.07
Singapore Skewby March 2025 First round 9 3.06 3.98 4.36DNF3.064.013.58
Singapore Championship 2025 Second round 19 3.42 3.94 4.173.423.853.804.72
First round 12 2.44 3.91 3.963.938.493.842.44
A New Year in Singapore 2025 First round 9 3.33 4.39 4.943.486.234.763.33
Singapore Marine Terrace Breeze RN 2024 Final 8 3.93 4.56 4.634.426.593.934.63
First round 10 3.88 4.57 5.084.824.043.884.85
Cool Down Singapore 2024 Second round 16 3.11 4.97 4.316.074.533.116.61
First round 10 2.29 4.69 4.824.146.145.122.29
Mofunland Speedcubing Singapore 2024 Final 6 3.06 3.69 3.073.733.065.474.26
First round 3 2.34 3.08 4.682.342.952.553.74
Singapore Sprint 2024 First round 16 3.17 5.87 4.173.178.674.77DNF
Cecil Singapore Playoffs 2024 Second round 9 2.70 5.50 4.04DNF4.582.707.88
First round 10 2.40 5.98 DNF4.914.758.292.40
Singapore Clock Clash 2024 First round 12 2.94 4.81 3.138.517.284.032.94
Singapore 50 and Counting 2024 Final 10 2.80 5.20 7.577.264.832.803.51
First round 7 3.22 4.34 3.53DNF5.713.223.77
Singapore Mini 2024 Final 7 3.05 3.93 4.603.525.213.053.66
First round 4 2.59 3.44 3.973.082.594.463.26
Singapore Sides Standoff 2024 Second round 9 3.80 4.22 4.354.824.124.193.80
First round 13 3.49 5.20 8.385.794.923.494.88
Singapore Newcomers 2024 First round 19 3.43 5.07 6.095.423.995.803.43
MYHM Singapore Championship 2024 Second round 24 4.67 6.45 5.847.437.116.414.67
First round 17 4.05 4.89 4.054.604.385.68DNF
NTU Welcome 2023 First round 39 8.08 9.77 8.4810.2515.548.0810.57
Skewb
Singapore Mid April 2025 First round 21 7.05 7.81 9.858.477.707.057.25
Singapore Championship 2025 First round 42 7.05 7.65 8.778.237.497.227.05
A New Year in Singapore 2025 First round 21 4.92 6.58 7.895.496.358.054.92
Singapore Freeze 2024 First round 12 5.28 6.26 6.696.635.285.468.53
Singapore Marine Terrace Breeze RN 2024 First round 17 5.74 8.19 5.8810.475.748.2310.47
Mofunland Speedcubing Singapore 2024 First round 23 5.08 7.76 11.836.955.235.0811.11
Singapore Sprint 2024 Second round 15 4.43 6.98 7.385.967.907.594.43
First round 14 4.09 6.19 7.405.985.194.099.02
Cecil Singapore Playoffs 2024 Second round 10 5.98 7.52 5.98DNF8.686.087.80
First round 11 5.64 7.38 5.646.2811.647.698.17
Singapore Clock Clash 2024 First round 21 7.15 8.59 9.009.107.687.159.50
Singapore 50 and Counting 2024 First round 20 5.66 8.28 6.5710.268.015.6614.93
Singapore Sides Standoff 2024 First round 16 5.12 6.83 7.48DNF5.127.075.95
NTU Speedcubing 2023 First round 22 8.57 9.55 14.979.078.579.4010.18
Square-1
Singapore Mid April 2025 Final 7 8.95 11.07 9.3714.178.959.6814.78
Second round 8 10.97 12.45 26.7311.6512.0313.6710.97
First round 8 9.28 13.75 9.2812.0115.3413.9017.74
Singapore Championship 2025 Final 10 7.92 10.84 13.357.928.8810.2914.69
First round 9 9.28 10.34 11.5610.1012.589.289.36
A New Year in Singapore 2025 Final 6 7.64 10.54 9.447.6411.1912.1310.98
First round 8 9.72 12.86 14.9410.1313.529.72DNF
Singapore Freeze 2024 Final 7 8.94 11.63 11.078.9411.4412.3912.75
First round 6 9.15 11.34 12.7714.3910.719.1510.54
Cool Down Singapore 2024 Final 6 9.86 12.16 12.5811.679.8612.2416.25
First round 5 9.76 11.90 9.7610.6211.7613.31DNF
Singapore Masters 2024 Final 5 8.78 10.73 9.3812.7010.1114.568.78
First round 6 8.52 10.73 15.2411.368.808.5212.04
Singapore Sprint 2024 Final 6 8.11 11.04 10.8211.0711.2212.608.11
First round 6 10.20 11.30 12.5210.6110.2010.78DNF
Cecil Singapore Playoffs 2024 Final 6 9.56 13.01 14.6713.1511.2016.259.56
Second round 5 8.81 11.16 13.089.0911.3116.458.81
First round 6 10.58 12.00 14.0210.8311.1410.5818.06
Singapore Clock Clash 2024 Final 5 6.78 10.96 11.0011.2710.616.7814.62
First round 7 8.63 11.45 11.1612.488.6310.7016.30
Singapore Special 2024 Final 7 9.79 10.83 9.8112.0810.5913.989.79
First round 9 9.82 12.86 14.9612.3813.1013.099.82
Singapore Sides Standoff 2024 Final 6 8.14 11.55 27.839.778.1414.7010.19
First round 3 8.52 9.62 9.088.568.5211.2212.69
MYHM Singapore Championship 2024 Final 7 7.92 12.12 15.419.3811.5615.487.92
First round 8 8.88 11.94 9.3110.5215.99DNF8.88
Singapore Masters 2023 Final 8 10.46 14.09 16.0110.46DNF15.0011.26
First round 8 8.94 12.54 8.9412.3613.6618.0911.60
NTU Welcome 2023 First round 18 17.99 20.60 43.8318.8824.6417.9918.27
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