rn1q1k2/p1ppb1p1/4r3/1P1b1p2/1PNPp1pP/P1n1P3/5P2/RQB1KBNR b KQ - 2 18
FEN state: rn1q1k2/p1ppb1p1/4r3/1P1b1p2/1PNPp1pP/P1n1P3/5P2/RQB1KBNR b KQ - 2 18 ; Best move: c3b1
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8 and black king at f8. Black pawn at a7, black pawn at c7, black pawn at d7, black bishop at e7 and black pawn at g7. Black rook at e6. White pawn at b5, black bishop at d5 and black pawn at f5. White pawn at b4, white knight at c4, white pawn at d4, black pawn at e4, black pawn at g4 and white pawn at h4. White pawn at a3, black knight at c3 and white pawn at e3. White pawn at f2. White rook at a1, white queen at b1, white bishop at c1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 2. Full move number is 18. Black to move.