rnbr4/p1pknp1p/8/1p1Np3/PPP3p1/3P1N1P/3KPb1P/R1BQ1BR1 b - - 0 18
FEN state: rnbr4/p1pknp1p/8/1p1Np3/PPP3p1/3P1N1P/3KPb1P/R1BQ1BR1 b - - 0 18 ; Best move: g4f3
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8 and black rook at d8. Black pawn at a7, black pawn at c7, black king at d7, black knight at e7, black pawn at f7 and black pawn at h7. Black pawn at b5, white knight at d5 and black pawn at e5. White pawn at a4, white pawn at b4, white pawn at c4 and black pawn at g4. White pawn at d3, white knight at f3 and white pawn at h3. White king at d2, white pawn at e2, black bishop at f2 and white pawn at h2. White rook at a1, white bishop at c1, white queen at d1, white bishop at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 18. Black to move.