4k1nr/r1p4p/p1n1N3/1p2pp2/8/1PpPP2N/1b3PPP/R1B1KB1R b Qk - 2 18
FEN state: 4k1nr/r1p4p/p1n1N3/1p2pp2/8/1PpPP2N/1b3PPP/R1B1KB1R b Qk - 2 18 ; Best move: b2a1
The current state of the chess board is: Black king at e8, black knight at g8 and black rook at h8. Black rook at a7, black pawn at c7 and black pawn at h7. Black pawn at a6, black knight at c6 and white knight at e6. Black pawn at b5, black pawn at e5 and black pawn at f5. White pawn at b3, black pawn at c3, white pawn at d3, white pawn at e3 and white knight at h3. Black bishop at b2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at a1, white bishop at c1, white king at e1, white bishop at f1 and white rook at h1. White queenside and black kingside castles are available. Half move number is 2. Full move number is 18. Black to move.