rq2kb1r/p3p2p/3pPnN1/n2b4/1p1p1B2/2P2P1P/PP4B1/RNQR2K1 w kq - 1 20
FEN state: rq2kb1r/p3p2p/3pPnN1/n2b4/1p1p1B2/2P2P1P/PP4B1/RNQR2K1 w kq - 1 20 ; Best move: g6h8
The current state of the chess board is: Black rook at a8, black queen at b8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at e7 and black pawn at h7. Black pawn at d6, white pawn at e6, black knight at f6 and white knight at g6. Black knight at a5 and black bishop at d5. Black pawn at b4, black pawn at d4 and white bishop at f4. White pawn at c3, white pawn at f3 and white pawn at h3. White pawn at a2, white pawn at b2 and white bishop at g2. White rook at a1, white knight at b1, white queen at c1, white rook at d1 and white king at g1. Black kingside and black queenside castles are available. Half move number is 1. Full move number is 20. White to move.