r1bnkb1r/p1p5/3pp2n/1p2Pppp/7q/PP1B4/R1PPQPPP/2BN1KR1 w - - 4 16
FEN state: r1bnkb1r/p1p5/3pp2n/1p2Pppp/7q/PP1B4/R1PPQPPP/2BN1KR1 w - - 4 16 ; Best move: d3b5
The current state of the chess board is: Black rook at a8, black bishop at c8, black knight at d8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7 and black pawn at c7. Black pawn at d6, black pawn at e6 and black knight at h6. Black pawn at b5, white pawn at e5, black pawn at f5, black pawn at g5 and black pawn at h5. Black queen at h4. White pawn at a3, white pawn at b3 and white bishop at d3. White rook at a2, white pawn at c2, white pawn at d2, white queen at e2, white pawn at f2, white pawn at g2 and white pawn at h2. White bishop at c1, white knight at d1, white king at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 4. Full move number is 16. White to move.