r2kqbn1/4p1p1/pP1p2pr/nPp2b1p/3PN3/B7/2P1PNKP/R2Q1B1R w - - 8 21
FEN state: r2kqbn1/4p1p1/pP1p2pr/nPp2b1p/3PN3/B7/2P1PNKP/R2Q1B1R w - - 8 21 ; Best move: e4g5
The current state of the chess board is: Black rook at a8, black king at d8, black queen at e8, black bishop at f8 and black knight at g8. Black pawn at e7 and black pawn at g7. Black pawn at a6, white pawn at b6, black pawn at d6, black pawn at g6 and black rook at h6. Black knight at a5, white pawn at b5, black pawn at c5, black bishop at f5 and black pawn at h5. White pawn at d4 and white knight at e4. White bishop at a3. White pawn at c2, white pawn at e2, white knight at f2, white king at g2 and white pawn at h2. White rook at a1, white queen at d1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 8. Full move number is 21. White to move.