rn1qkb1r/3bp3/2Bp1ppn/1pp5/2PP1P1R/PpN1B1p1/2Q1P3/R3K1N1 w q - 0 21
FEN state: rn1qkb1r/3bp3/2Bp1ppn/1pp5/2PP1P1R/PpN1B1p1/2Q1P3/R3K1N1 w q - 0 21 ; Best move: c2g6
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8, black king at e8, black bishop at f8 and black rook at h8. Black bishop at d7 and black pawn at e7. White bishop at c6, black pawn at d6, black pawn at f6, black pawn at g6 and black knight at h6. Black pawn at b5 and black pawn at c5. White pawn at c4, white pawn at d4, white pawn at f4 and white rook at h4. White pawn at a3, black pawn at b3, white knight at c3, white bishop at e3 and black pawn at g3. White queen at c2 and white pawn at e2. White rook at a1, white king at e1 and white knight at g1. Black queenside is the only castle move available. Half move number is 0. Full move number is 21. White to move.