r3k3/1bp2p1r/2pbp2p/pp5B/4Pp2/2P3qN/PnK3P1/R1BQ2R1 w - - 0 21
FEN state: r3k3/1bp2p1r/2pbp2p/pp5B/4Pp2/2P3qN/PnK3P1/R1BQ2R1 w - - 0 21 ; Best move: c1b2
The current state of the chess board is: Black rook at a8 and black king at e8. Black bishop at b7, black pawn at c7, black pawn at f7 and black rook at h7. Black pawn at c6, black bishop at d6, black pawn at e6 and black pawn at h6. Black pawn at a5, black pawn at b5 and white bishop at h5. White pawn at e4 and black pawn at f4. White pawn at c3, black queen at g3 and white knight at h3. White pawn at a2, black knight at b2, white king at c2 and white pawn at g2. White rook at a1, white bishop at c1, white queen at d1 and white rook at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 21. White to move.