solar best-fit sin2_theta12 = 0.306, dm2_21 = 5.67e-5 eV^2 (2D grid)
solar best-fit dm2_21 (1D profile) = 6.16e-5 eV^2
KamLAND best-fit dm2_21 = 7.55e-5 eV^2
solar dchi2 at the KamLAND best fit = 0.97