1nbq1b1r/1p1kp2p/2pp4/6p1/rnPP1p2/P3P1P1/3K1PNP/RNBQ1B1R w - - 0 15
FEN state: 1nbq1b1r/1p1kp2p/2pp4/6p1/rnPP1p2/P3P1P1/3K1PNP/RNBQ1B1R w - - 0 15 ; Best move: d1a4
The current state of the chess board is: Black knight at b8, black bishop at c8, black queen at d8, black bishop at f8 and black rook at h8. Black pawn at b7, black king at d7, black pawn at e7 and black pawn at h7. Black pawn at c6 and black pawn at d6. Black pawn at g5. Black rook at a4, black knight at b4, white pawn at c4, white pawn at d4 and black pawn at f4. White pawn at a3, white pawn at e3 and white pawn at g3. White king at d2, white pawn at f2, white knight at g2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 15. White to move.