1r1qk1r1/1bp1b1pp/2np4/pN2pp1n/2P5/4P3/PP1P1PPN/RQB1KB1R b KQ - 5 18
FEN state: 1r1qk1r1/1bp1b1pp/2np4/pN2pp1n/2P5/4P3/PP1P1PPN/RQB1KB1R b KQ - 5 18 ; Best move: g7g6
The current state of the chess board is: Black rook at b8, black queen at d8, black king at e8 and black rook at g8. Black bishop at b7, black pawn at c7, black bishop at e7, black pawn at g7 and black pawn at h7. Black knight at c6 and black pawn at d6. Black pawn at a5, white knight at b5, black pawn at e5, black pawn at f5 and black knight at h5. White pawn at c4. White pawn at e3. White pawn at a2, white pawn at b2, white pawn at d2, white pawn at f2, white pawn at g2 and white knight at h2. White rook at a1, white queen at b1, white bishop at c1, white king at e1, white bishop at f1 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.