r1b1k1nr/ppp5/n3p3/3p1pPp/P1P4N/1Pb1P3/3P1qPP/RNBK1B1R w kq - 0 13
FEN state: r1b1k1nr/ppp5/n3p3/3p1pPp/P1P4N/1Pb1P3/3P1qPP/RNBK1B1R w kq - 0 13 ; Best move: b1c3
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 b7 and black pawn at c7. Black knight at a6 and black pawn at e6. Black pawn at d5, black pawn at f5, white pawn at g5 and black pawn at h5. White pawn at a4, white pawn at c4 and white knight at h4. White pawn at b3, black bishop at c3 and white pawn at e3. White pawn at d2, black queen at f2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white king at d1, white bishop at f1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 0. Full move number is 13. White to move.