1q3bnr/1b1k2p1/r2ppp1p/1Pp5/p1P1P1P1/Q2K4/P4P1P/RNB2B1R w - - 0 21
FEN state: 1q3bnr/1b1k2p1/r2ppp1p/1Pp5/p1P1P1P1/Q2K4/P4P1P/RNB2B1R w - - 0 21 ; Best move: b5a6
The current state of the chess board is: Black queen at b8, black bishop at f8, black knight at g8 and black rook at h8. Black bishop at b7, black king at d7 and black pawn at g7. Black rook at a6, black pawn at d6, black pawn at e6, black pawn at f6 and black pawn at h6. White pawn at b5 and black pawn at c5. Black pawn at a4, white pawn at c4, white pawn at e4 and white pawn at g4. White queen at a3 and white king at d3. White pawn at a2, white pawn at f2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 21. White to move.