Ruy Lopez: Cozio Defense (C60)

240 puzzles

e4 e5 Nf3 Nc6 Bb5

150 puzzles for White · avg difficulty 1.7

90 puzzles for Black · avg difficulty 1.6

Mistake	Side	Count	Avg loss
5...Nxe5	Black	13	4.0 pawns
5.d5	White	12	3.0 pawns
5.d6	White	11	3.5 pawns
5...O-O	Black	6	7.4 pawns
4...Nxe5	Black	5	4.2 pawns

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