r1b1k2r/1p2p2p/2np2pn/p1p5/R3PP1P/6p1/1bPP4/2BQKBNR w kq - 0 15
FEN state: r1b1k2r/1p2p2p/2np2pn/p1p5/R3PP1P/6p1/1bPP4/2BQKBNR w kq - 0 15 ; Best move: c1b2
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8 and black rook at h8. Black pawn at b7, black pawn at e7 and black pawn at h7. Black knight at c6, black pawn at d6, black pawn at g6 and black knight at h6. Black pawn at a5 and black pawn at c5. White rook at a4, white pawn at e4, white pawn at f4 and white pawn at h4. Black pawn at g3. Black bishop at b2, white pawn at c2 and white pawn at d2. White bishop at c1, white queen at d1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 0. Full move number is 15. White to move.