r1b1k1nr/7p/q1n1ppp1/1pb5/pP6/2P2P2/P3PNPP/R3KB1R w KQkq - 1 17
FEN state: r1b1k1nr/7p/q1n1ppp1/1pb5/pP6/2P2P2/P3PNPP/R3KB1R w KQkq - 1 17 ; Best move: b4c5
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black knight at g8 and black rook at h8. Black pawn at h7. Black queen at a6, black knight at c6, black pawn at e6, black pawn at f6 and black pawn at g6. Black pawn at b5 and black bishop at c5. Black pawn at a4 and white pawn at b4. White pawn at c3 and white pawn at f3. White pawn at a2, white pawn at e2, white knight at f2, white pawn at g2 and white pawn at h2. White rook at a1, white king at e1, white bishop at f1 and white rook at h1. White kingside, white queenside, black kingside and black queenside castles are available. Half move number is 1. Full move number is 17. White to move.