rnb2bnr/p2kp1p1/2p2p2/1p1p3p/1P1P4/P3P1QN/R1P2PPP/1NBK1B1R w - - 0 10
FEN state: rnb2bnr/p2kp1p1/2p2p2/1p1p3p/1P1P4/P3P1QN/R1P2PPP/1NBK1B1R w - - 0 10 ; Best move: e3e4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black king at d7, black pawn at e7 and black pawn at g7. Black pawn at c6 and black pawn at f6. Black pawn at b5, black pawn at d5 and black pawn at h5. White pawn at b4 and white pawn at d4. White pawn at a3, white pawn at e3, white queen at g3 and white knight at h3. White rook at a2, white pawn at c2, white pawn at f2, white pawn at g2 and white pawn at h2. White knight at b1, white bishop at c1, white king 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 10. White to move.