1rb1kqn1/p6p/np1pp3/8/2p1PPp1/2B2NNP/P1P1B1P1/R2QK2R b KQ - 5 18
FEN state: 1rb1kqn1/p6p/np1pp3/8/2p1PPp1/2B2NNP/P1P1B1P1/R2QK2R b KQ - 5 18 ; Best move: g4f3
The current state of the chess board is: Black rook at b8, black bishop at c8, black king at e8, black queen at f8 and black knight at g8. Black pawn at a7 and black pawn at h7. Black knight at a6, black pawn at b6, black pawn at d6 and black pawn at e6. Black pawn at c4, white pawn at e4, white pawn at f4 and black pawn at g4. White bishop at c3, white knight at f3, white knight at g3 and white pawn at h3. White pawn at a2, white pawn at c2, white bishop at e2 and white pawn at g2. White rook at a1, white queen at d1, white king at e1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 5. Full move number is 18. Black to move.