rnb1kbr1/p3p1p1/Bp5p/q2p1p2/1p2P2P/2PP1Nn1/P2KRPP1/RNB4Q w q - 0 13
FEN state: rnb1kbr1/p3p1p1/Bp5p/q2p1p2/1p2P2P/2PP1Nn1/P2KRPP1/RNB4Q w q - 0 13 ; Best move: h1h3
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8, black bishop at f8 and black rook at g8. Black pawn at a7, black pawn at e7 and black pawn at g7. White bishop at a6, black pawn at b6 and black pawn at h6. Black queen at a5, black pawn at d5 and black pawn at f5. Black pawn at b4, white pawn at e4 and white pawn at h4. White pawn at c3, white pawn at d3, white knight at f3 and black knight at g3. White pawn at a2, white king at d2, white rook at e2, white pawn at f2 and white pawn at g2. White rook at a1, white knight at b1, white bishop at c1 and white queen at h1. Black queenside is the only castle move available. Half move number is 0. Full move number is 13. White to move.