1n1q1k1r/2p1pp1p/rp1N3b/pB2P3/P4p2/2n3P1/RP1P3P/2B1K1NR b K - 0 18
FEN state: 1n1q1k1r/2p1pp1p/rp1N3b/pB2P3/P4p2/2n3P1/RP1P3P/2B1K1NR b K - 0 18 ; Best move: c3a2
The current state of the chess board is: Black knight at b8, black queen at d8, black king at f8 and black rook at h8. Black pawn at c7, black pawn at e7, black pawn at f7 and black pawn at h7. Black rook at a6, black pawn at b6, white knight at d6 and black bishop at h6. Black pawn at a5, white bishop at b5 and white pawn at e5. White pawn at a4 and black pawn at f4. Black knight at c3 and white pawn at g3. White rook at a2, white pawn at b2, white pawn at d2 and white pawn at h2. White bishop at c1, white king at e1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 0. Full move number is 18. Black to move.