r3k1nr/3q1p2/6pp/p1p1pP1n/3p1P1R/N5P1/PPPKN1B1/R1BQ4 w kq - 2 20
FEN state: r3k1nr/3q1p2/6pp/p1p1pP1n/3p1P1R/N5P1/PPPKN1B1/R1BQ4 w kq - 2 20 ; Best move: f4e5
The current state of the chess board is: Black rook at a8, black king at e8, black knight at g8 and black rook at h8. Black queen at d7 and black pawn at f7. Black pawn at g6 and black pawn at h6. Black pawn at a5, black pawn at c5, black pawn at e5, white pawn at f5 and black knight at h5. Black pawn at d4, white pawn at f4 and white rook at h4. White knight at a3 and white pawn at g3. White pawn at a2, white pawn at b2, white pawn at c2, white king at d2, white knight at e2 and white bishop at g2. White rook at a1, white bishop at c1 and white queen at d1. Black kingside and black queenside castles are available. Half move number is 2. Full move number is 20. White to move.