r1b1kb1r/ppp1npRp/2n5/3p4/1PPq3P/P7/4PPP1/RNB1KB2 w Qkq - 0 13
FEN state: r1b1kb1r/ppp1npRp/2n5/3p4/1PPq3P/P7/4PPP1/RNB1KB2 w Qkq - 0 13 ; Best move: g7g3
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at c7, black knight at e7, black pawn at f7, white rook at g7 and black pawn at h7. Black knight at c6. Black pawn at d5. White pawn at b4, white pawn at c4, black queen at d4 and white pawn at h4. White pawn at a3. White pawn at e2, white pawn at f2 and white pawn at g2. White rook at a1, white knight at b1, white bishop at c1, white king at e1 and white bishop at f1. White queenside, black kingside and black queenside castles are available. Half move number is 0. Full move number is 13. White to move.