r1bqkbn1/p1ppp2r/1pn5/6pp/2P2pPP/PP2Q3/1B1PPP2/RN2KBNR w KQq - 4 10
FEN state: r1bqkbn1/p1ppp2r/1pn5/6pp/2P2pPP/PP2Q3/1B1PPP2/RN2KBNR w KQq - 4 10 ; Best move: e3e4
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at a7, black pawn at c7, black pawn at d7, black pawn at e7 and black rook at h7. Black pawn at b6 and black knight at c6. Black pawn at g5 and black pawn at h5. White pawn at c4, black pawn at f4, white pawn at g4 and white pawn at h4. White pawn at a3, white pawn at b3 and white queen at e3. White bishop at b2, white pawn at d2, white pawn at e2 and white pawn at f2. White rook at a1, white knight at b1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside, white queenside and black queenside castles are available. Half move number is 4. Full move number is 10. White to move.