Ruy Lopez: Marshall Attack (C89)

343 puzzles

e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d5

181 puzzles for White · avg difficulty 1.4

162 puzzles for Black · avg difficulty 1.7

Mistake	Side	Count	Avg loss
13.Bxh2+	White	8	3.8 pawns
16...f3	Black	7	4.8 pawns
14...Bc2	Black	6	5.7 pawns
16.Bd7	White	6	4.1 pawns
16.f5	White	6	3.4 pawns

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