r1bqkb1r/p2pn3/n3pp2/1pp4p/2P2p2/PP3P2/R1QPPKPP/1N3BNR w kq - 0 11
FEN state: r1bqkb1r/p2pn3/n3pp2/1pp4p/2P2p2/PP3P2/R1QPPKPP/1N3BNR w kq - 0 11 ; Best move: c4b5
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 rook at h8. Black pawn at a7, black pawn at d7 and black knight at e7. Black knight at a6, black pawn at e6 and black pawn at f6. Black pawn at b5, black pawn at c5 and black pawn at h5. White pawn at c4 and black pawn at f4. White pawn at a3, white pawn at b3 and white pawn at f3. White rook at a2, white queen at c2, white pawn at d2, white pawn at e2, white king at f2, white pawn at g2 and white pawn at h2. White knight at b1, white bishop at f1, white knight at g1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 0. Full move number is 11. White to move.