rnb1kb1r/p1q1p1p1/1p1p4/2p1n2p/5N2/PQP1PPP1/1P1PK2P/RNB2R1B w - - 5 15
FEN state: rnb1kb1r/p1q1p1p1/1p1p4/2p1n2p/5N2/PQP1PPP1/1P1PK2P/RNB2R1B w - - 5 15 ; Best move: d2d4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black queen at c7, black pawn at e7 and black pawn at g7. Black pawn at b6 and black pawn at d6. Black pawn at c5, black knight at e5 and black pawn at h5. White knight at f4. White pawn at a3, white queen at b3, white pawn at c3, white pawn at e3, white pawn at f3 and white pawn at g3. White pawn at b2, white pawn at d2, white king at e2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white rook at f1 and white bishop at h1. Both players have exhausted their castles. Half move number is 5. Full move number is 15. White to move.