impossible to mine without a pool
current stats
{
"blocks" : 11,
"currentblocksize" : 1000,
"currentblocktx" : 0,
"difficulty" : 4194304.00000000,
"errors" : "",
"generate" : true,
"genproclimit" : 1,
"hashespersec" : 2174722,
"pooledtx" : 0,
"testnet" : false
}