Strictly by the numbers based on the 2017 election results.

Where the NDP want to win: BC Liberal ridings (12) that had margin-of-victory of 10% or less in 2017 (x-incumbent expected to seek re-election):

• 10.1% Boundary Similkameen-Similkameen
• 9.8% Langley -x
• 9.4% Columbia River-Revelstoke-x
• 9.4% Vancouver-Langara-x
• 8.9% Skeena-x
• 8.8% Surrey-Cloverdale-x
• 8.4% Richmond South Centre
• 8.3% Richmond-Steveston
• 3.3% Fraser-Nicola-x
• 1.7% Vancouver-False Creek-x
• 0.7% Richmond-Queensborough-x
• 0.4% Coquitlam-Burke Mountain-x

Where the BC Liberals want to win: NDP ridings (9) that had margin-of-victory of 10% or less in 2017:

• 9.2% Burnaby North-x
• 9.1% Delta North-x
• 9.0% Surrey-Panorama-x
• 7.5% Port Moody-Coquitlam-x
• 7.3% North Vancouver-Lonsdale-x
• 6.4% Vancouver-Fraserview-x
• 6.0% Maple Ridge-Pitt Meadows-x
• 1.2% Maple Ridge-Mission-x
• 0.6% Courtenay-Comox-x

Green ridings (1) that had margin-of-victory of 10% or less in 2017:

• 5.6% Cowichan Valley-x

Overall, 22 ridings – about one-quarter – were settled by 10% margin or less

The battleground will include other seats (beyond the 10% margin) where retirements make a difference, such as Oak Bay-Gordon Head where Andrew Weaver is leaving office after two terms.