r1b1k1r1/5p2/1ppq2Np/p2pp1p1/1PP1P1P1/3P2n1/3R1P1P/2BQKB1R b Kq - 3 20
FEN state: r1b1k1r1/5p2/1ppq2Np/p2pp1p1/1PP1P1P1/3P2n1/3R1P1P/2BQKB1R b Kq - 3 20 ; Best move: g3h1
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8 and black rook at g8. Black pawn at f7. Black pawn at b6, black pawn at c6, black queen at d6, white knight at g6 and black pawn at h6. Black pawn at a5, black pawn at d5, black pawn at e5 and black pawn at g5. White pawn at b4, white pawn at c4, white pawn at e4 and white pawn at g4. White pawn at d3 and black knight at g3. White rook at d2, white pawn at f2 and white pawn at h2. White bishop at c1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. White kingside and black queenside castles are available. Half move number is 3. Full move number is 20. Black to move.