rn2kb1r/pbpp1p1p/8/1p2pq2/Pn5P/2PPPN1R/RP2KPP1/1NQ2B2 w kq - 0 15
FEN state: rn2kb1r/pbpp1p1p/8/1p2pq2/Pn5P/2PPPN1R/RP2KPP1/1NQ2B2 w kq - 0 15 ; Best move: c3b4
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black bishop at b7, black pawn at c7, black pawn at d7, black pawn at f7 and black pawn at h7. Black pawn at b5, black pawn at e5 and black queen at f5. White pawn at a4, black knight at b4 and white pawn at h4. White pawn at c3, white pawn at d3, white pawn at e3, white knight at f3 and white rook at h3. White rook at a2, white pawn at b2, white king at e2, white pawn at f2 and white pawn at g2. White knight at b1, white queen at c1 and white bishop at f1. Black kingside and black queenside castles are available. Half move number is 0. Full move number is 15. White to move.