rnbk3r/pp2bp1p/2q5/1Nppp1p1/1P2P2n/B4N1P/P1PP1PP1/2RQKB1R w K - 1 13
FEN state: rnbk3r/pp2bp1p/2q5/1Nppp1p1/1P2P2n/B4N1P/P1PP1PP1/2RQKB1R w K - 1 13 ; Best move: b4c5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at d8 and black rook at h8. Black pawn at a7, black pawn at b7, black bishop at e7, black pawn at f7 and black pawn at h7. Black queen at c6. White knight at b5, black pawn at c5, black pawn at d5, black pawn at e5 and black pawn at g5. White pawn at b4, white pawn at e4 and black knight at h4. White bishop at a3, white knight at f3 and white pawn at h3. White pawn at a2, white pawn at c2, white pawn at d2, white pawn at f2 and white pawn at g2. White rook at c1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. White kingside is the only castle move available. Half move number is 1. Full move number is 13. White to move.