r1b1k1nr/p2pp2p/np5b/2p3p1/2PP2P1/5P1P/PP2P2q/RNBQKB2 w Qkq - 0 13
FEN state: r1b1k1nr/p2pp2p/np5b/2p3p1/2PP2P1/5P1P/PP2P2q/RNBQKB2 w Qkq - 0 13 ; Best move: c1e3
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 a7, black pawn at d7, black pawn at e7 and black pawn at h7. Black knight at a6, black pawn at b6 and black bishop at h6. Black pawn at c5 and black pawn at g5. White pawn at c4, white pawn at d4 and white pawn at g4. White pawn at f3 and white pawn at h3. White pawn at a2, white pawn at b2, white pawn at e2 and black queen at h2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1, 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.