rnbk1br1/pp1p1p2/2p1Q3/5np1/1P2pPP1/P1P1P2N/3P3P/RNB1K2R w - - 0 21
FEN state: rnbk1br1/pp1p1p2/2p1Q3/5np1/1P2pPP1/P1P1P2N/3P3P/RNB1K2R w - - 0 21 ; Best move: e6f5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at d8, black bishop at f8 and black rook at g8. Black pawn at a7, black pawn at b7, black pawn at d7 and black pawn at f7. Black pawn at c6 and white queen at e6. Black knight at f5 and black pawn at g5. White pawn at b4, black pawn at e4, white pawn at f4 and white pawn at g4. White pawn at a3, white pawn at c3, white pawn at e3 and white knight at h3. White pawn at d2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white king at e1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 21. White to move.