r1b2bnr/pppk2p1/n1qppp2/7p/P3PP2/2N2N2/1PPPB1PP/R1BQK2R w KQ - 0 10
FEN state: r1b2bnr/pppk2p1/n1qppp2/7p/P3PP2/2N2N2/1PPPB1PP/R1BQK2R w KQ - 0 10 ; Best move: e2b5
The current state of the chess board is: Black rook at a8, black bishop at c8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at c7, black king at d7 and black pawn at g7. Black knight at a6, black queen at c6, black pawn at d6, black pawn at e6 and black pawn at f6. Black pawn at h5. White pawn at a4, white pawn at e4 and white pawn at f4. White knight at c3 and white knight at f3. White pawn at b2, white pawn at c2, white pawn at d2, white bishop at e2, white pawn at g2 and white pawn at h2. White rook at a1, white bishop at c1, white queen at d1, white king at e1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 0. Full move number is 10. White to move.