1nbq1br1/1p1pp1k1/2p2rp1/n4p1p/1p1PP1PP/P4P2/R1PB2BR/1N2KQ1N w - - 2 21
FEN state: 1nbq1br1/1p1pp1k1/2p2rp1/n4p1p/1p1PP1PP/P4P2/R1PB2BR/1N2KQ1N w - - 2 21 ; Best move: e4e5
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 g8. Black pawn at b7, black pawn at d7, black pawn at e7 and black king at g7. Black pawn at c6, black rook at f6 and black pawn at g6. Black knight at a5, black pawn at f5 and black pawn at h5. Black pawn at b4, white pawn at d4, white pawn at e4, white pawn at g4 and white pawn at h4. White pawn at a3 and white pawn at f3. White rook at a2, white pawn at c2, white bishop at d2, white bishop at g2 and white rook at h2. White knight at b1, white king at e1, white queen at f1 and white knight at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 21. White to move.