r1b1kb1r/1p3ppp/8/p2pp2P/1n1P1PnK/1P2P3/P2BN1P1/RN2QB1R b kq - 3 18
FEN state: r1b1kb1r/1p3ppp/8/p2pp2P/1n1P1PnK/1P2P3/P2BN1P1/RN2QB1R b kq - 3 18 ; Best move: b4d3
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at b7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at a5, black pawn at d5, black pawn at e5 and white pawn at h5. Black knight at b4, white pawn at d4, white pawn at f4, black knight at g4 and white king at h4. White pawn at b3 and white pawn at e3. White pawn at a2, white bishop at d2, white knight at e2 and white pawn at g2. White rook at a1, white knight at b1, white queen at e1, white bishop at f1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 3. Full move number is 18. Black to move.