r2qk3/p2bp1B1/1pn2rp1/4bp2/2pp3P/NP1n2P1/P1P1P3/R2QKBNR w - - 0 21
FEN state: r2qk3/p2bp1B1/1pn2rp1/4bp2/2pp3P/NP1n2P1/P1P1P3/R2QKBNR w - - 0 21 ; Best move: c2d3
The current state of the chess board is: Black rook at a8, black queen at d8 and black king at e8. Black pawn at a7, black bishop at d7, black pawn at e7 and white bishop at g7. Black pawn at b6, black knight at c6, black rook at f6 and black pawn at g6. Black bishop at e5 and black pawn at f5. Black pawn at c4, black pawn at d4 and white pawn at h4. White knight at a3, white pawn at b3, black knight at d3 and white pawn at g3. White pawn at a2, white pawn at c2 and white pawn at e2. White rook at a1, white queen at d1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 21. White to move.