rn3b1r/1Q2p3/4kpp1/RP3np1/2p3q1/8/1P2P1BP/2B2KNR w - - 0 21
FEN state: rn3b1r/1Q2p3/4kpp1/RP3np1/2p3q1/8/1P2P1BP/2B2KNR w - - 0 21 ; Best move: b7d5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at f8 and black rook at h8. White queen at b7 and black pawn at e7. Black king at e6, black pawn at f6 and black pawn at g6. White rook at a5, white pawn at b5, black knight at f5 and black pawn at g5. Black pawn at c4 and black queen at g4. White pawn at b2, white pawn at e2, white bishop at g2 and white pawn at h2. White bishop at c1, white king 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.