ELS R4
ZBLS
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Find the pair's shape as for F2L, then count the misoriented last-layer edges (a top edge whose top facet does not show the top colour).
Your status
Algorithms (10)
R Rw U R' U R U2 R' Rw'
My choice
9 HTM · 9 STM · 10 QTM
2-gen
rotationless
oh
<U,R>
Cubemuch
Rw R U R' U R U2 R' Rw'
9 HTM · 9 STM · 10 QTM
2-gen
rotationless
oh
<U,R>
Cubemuch
L R F R' F R F2 R' L'
9 HTM · 9 STM · 10 QTM
3-gen
rotationless
<R,F,L>
Cubemuch
R U R' U R U x' U' R U R2
10 HTM · 10 STM · 11 QTM
2-gen
rotation
oh
<U,R>
Cubemuch
R U R' U R U2 R2 F R F'
10 HTM · 10 STM · 12 QTM
3-gen
rotationless
<U,R,F>
Cubemuch
R U R' U R U2 x R2 U R U'
10 HTM · 10 STM · 12 QTM
2-gen
rotation
oh
<U,R>
Cubemuch
(U2) first, then:
Lw U' Lw2 U x Lw' U Lw y Lw' U
9 HTM · 9 STM · 10 QTM
2-gen
rotation
<U,L>
Do U2 first (AUF) on the case as drawn. · Cubemuch
(U2) first, then:
y2 B x Rw B' x' Rw' B' Rw2 B Rw2
8 HTM · 8 STM · 10 QTM
2-gen
rotation
<R,B>
Do U2 first (AUF) on the case as drawn. · Cubemuch
(U') first, then:
R y U R U' R' U R U2 R' y' R'
10 HTM · 10 STM · 11 QTM
2-gen
rotation
oh
<U,R>
Do U' first (AUF) on the case as drawn. · Cubemuch
(U2) first, then:
y2 B' x Rw B' x' Rw' B Rw2 B Rw2
8 HTM · 8 STM · 10 QTM
2-gen
rotation
<R,B>
Do U2 first (AUF) on the case as drawn. · Cubemuch
How this case is verified
The case is the source's setup (or, where it has none, another source algorithm reversed). Setup: Rw R U2 R' U' R U' R' Rw'. Every algorithm above was run by our logic engine from that state and reaches "f2l-eo".