Parker Spectator rating discrepancies

RP WS WINE VINT 88 68 plus 1 BV George de Latour 2001 87 72 BV Tapestry 2001 95 68 plus 1 Ch. Montelena 2001 93 77 Forman Cabernet 2001 93 79 Joseph Phelps Oalville Backus Vin. 2001 85 78 Matanzas Creek Cab Sonoma 2001 93+ 79 Phelps Backus Cabernet 2001 96 85 Verite La Muse 1999 95+ 75 Saxum Bone Rock Syrah 2002 92 82 Garretson Mourvedre The Graosta 2001 89 76 Garretson Roussanne The Limoid Cior 2001 91 79 Garretson Syrah The Craic 2002 90 77 Beckmen Syrah Purisima Mt. 2002 93 75 Beckmen Syrah Purisima Mt. Clone #1 2002 89 75 Byron IO 2000 93 81 Red Car Syrah The Table 2002 90 76 Ridge Lytton Springs Syrah 2001 88 77 Au Bon Climat Talley Rincon P.N. 2002 93 83 Ridge Lytton Springs Zin 2002 95 88 Pavie 1998 99 79 Chapoutier Ermitage L'Ermite 2000 100 65 Chapoutier Ermitage L'Ermite Blanc 2000 92 79 Delas Hermitage Marq. De la Tourette 1998 89 72 Paul Autard CdP 1998 95 89 Roger Sabon CNDP Cuvee Prestige 1998 93 82 Tardieu Laurent Cornas Cuvee Coteaux 1996 95 71 Einaudi Barolo 1989 Italy 93 79 Soldera Case Bbutte Riserva 1997 Italy 96 87 Fox Creek JSM 1998 98 89 Fox Creek Reserve Shiraz 1998 96-98 88 Kay's amery Shiraz Block #6 2001 96-95 79 Kay's Shiraz Hillside 2001 91 83 Bethel Heights Flat Block Reserve P.N. 2002 92 81 Bethel Heights Freedom Hill P.N. 2002 91 79 Bethel Heights Seven Springs P.N. 2002 93 83 Cristom Eileen Vin. P.N. 2002 89 77 Panther Creek Freedom Hill Vin. P.N. 2002 95 89 Januick Champoux Cabernet S. 2001