Games Between Two Players
Park Cheongsang (2 win; 3 loss) vs. On Sojin
| Game Date and Game Description | |||||
| Black | White | Result | Replay | Download | |
 [2012-04-26] Year 2012 Korean League
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| Park Cheongsang 9p | On Sojin 6p | W+R |  |
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| [2011-07-10] Year 2011 Korean League
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| Park Cheongsang 9p | On Sojin 6p | B+R | |
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| [2006-12-14] Year 2006 Korean League
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| On Sojin 3p | Park Cheongsang 9p | W+R | |
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| [2006-08-03] 11th Korean GS Caltex Cup, league
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| Park Cheongsang 9p | On Sojin 3p | W+R | |
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| [2005-08-01] 49th Korean Kuksu, loser section round 1
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| Park Cheongsang 5p | On Sojin 2p | W+0.5 | |
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