I just forget to update this thread ...
So here is results for September - October.
1-14 Sept 2014: p2pool - BTC0.0878VS btcguild (PPLNS) - BTC0.2675VS Eligius BTC0.2782
15-31 Sept 2014: p2pool - BTC0.1344VS btcguild (PPLNS) - BTC0.1743VS Eligius BTC0.2068
1-14 Oct 2014: p2pool - BTC0.1764VS btcguild (PPLNS) - BTC0.1890VS Eligius BTC0.2478
15-30 Oct 2014: p2pool - BTC0.2102VS btcguild (PPLNS) - BTC0.1907VS Eligius BTC0.1767
p2p = 0.6088
guild = 0.8215
eli = 0.9095
tells us that eligius had better luck during that period of time.