ELS F1
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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 (12)
M' U' R U R' U2 R U' Rw'
My choice
10 HTM · 9 STM · 11 QTM
3-gen
rotationless
oh
<U,R,M>
Cubemuch
R U R' U R U' R' F' U' F
10 HTM · 10 STM · 10 QTM
3-gen
rotationless
<U,R,F>
Cubemuch
(U') first, then:
Rw' U x Rw U' Rw2 U' Rw U Rw U
10 HTM · 10 STM · 11 QTM
2-gen
rotation
oh
<U,R>
Do U' first (AUF) on the case as drawn. · Cubemuch
R U' R' U R' F R F' R U' R'
11 HTM · 11 STM · 11 QTM
3-gen
rotationless
<U,R,F>
Cubemuch
R U R' U R U' R' y' R' U' R
10 HTM · 10 STM · 10 QTM
2-gen
rotation
oh
<U,R>
Cubemuch
(U) first, then:
F' U B L' F' L' F L F B'
10 HTM · 10 STM · 10 QTM
rotationless
<U,F,L,B>
Do U first (AUF) on the case as drawn. · Cubemuch
y' U R' U Rw U' R' U' R U R Rw'
11 HTM · 11 STM · 11 QTM
2-gen
rotation
oh
<U,R>
Cubemuch
(U') first, then:
R U R' y' U2 R' U R U' R' U' R
11 HTM · 11 STM · 12 QTM
2-gen
rotation
oh
<U,R>
Do U' first (AUF) on the case as drawn. · Cubemuch
Lw' U Lw y' U Lw' y' U Lw U' Lw' U'
10 HTM · 10 STM · 10 QTM
2-gen
rotation
<U,L>
Cubemuch
(U') first, then:
R y R U' R' U' R U R' y' U2 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:
Rw' B2 y' U2 B2 U B2 U Rw2 B
9 HTM · 9 STM · 14 QTM
3-gen
rotation
<U,R,B>
Do U2 first (AUF) on the case as drawn. · Cubemuch
y L' U2 L' U2 x U' L U x' U2 L2
9 HTM · 9 STM · 13 QTM
2-gen
rotation
<U,L>
Cubemuch
How this case is verified
The case is the source's setup (or, where it has none, another source algorithm reversed). Setup: F' U F R U R' U' R U' R'. Every algorithm above was run by our logic engine from that state and reaches "f2l-eo".