r1bk1br1/p2p2p1/1p2p2p/1N1np3/q1PPBP2/6PN/P1P3nP/R1BK3R w - - 0 21
FEN state: r1bk1br1/p2p2p1/1p2p2p/1N1np3/q1PPBP2/6PN/P1P3nP/R1BK3R w - - 0 21 ; Best move: e4g2
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at d8, black bishop at f8 and black rook at g8. Black pawn at a7, black pawn at d7 and black pawn at g7. Black pawn at b6, black pawn at e6 and black pawn at h6. White knight at b5, black knight at d5 and black pawn at e5. Black queen at a4, white pawn at c4, white pawn at d4, white bishop at e4 and white pawn at f4. White pawn at g3 and white knight at h3. White pawn at a2, white pawn at c2, black knight at g2 and white pawn at h2. White rook at a1, white bishop at c1, white king at d1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 21. White to move.