Strange result.
[2014-06-26 15:30:13] Using JSON-RPC 2.0
[2014-06-26 15:30:13] 1 miner threads started, using 'cryptonight' algorithm.
[2014-06-26 15:30:13] Starting Stratum on stratum+tcp://mro.extremehash.com:7777
[2014-06-26 15:30:13] GPU #0: GeForce GTX 285, using 40 blocks of 8 threads
[2014-06-26 15:30:13] GPU #0: GeForce GTX 285, 12200.23 H/s
[2014-06-26 15:30:14] Pool set diff to 5000
[2014-06-26 15:30:14] Stratum detected new block
[2014-06-26 15:30:14] GPU #0: GeForce GTX 285, 2845422.95 H/s
[2014-06-26 15:30:37] Stratum detected new block
[2014-06-26 15:30:37] GPU #0: GeForce GTX 285, 3259881.74 H/s
[2014-06-26 15:31:22] Stratum detected new block
[2014-06-26 15:31:22] GPU #0: GeForce GTX 285, 3474958.52 H/s