Chess Board
[ECO code C52] Move Move Here
EVANS GAMBIT - "Evergreen Game" (Var.)
Black's King on Q1(d8) moves to QB1(c8) [else 21..KxR, 22.B-KB5+dbl.ch.., 23.B-Q7++mate]. Black still has a 22..QxKtP++mate threat.
White's Q7(d7) Rook moves to Q8(d8) and offers a sacrificial check for the third time.
     White  Black	  White  Black
 17. Kt-B6!! ch PxKt  22. R-Q8! ch
 18. PxP    R-Kt1
 19. QR-Q1!! QxKt
 20. RxP! ch K-Q1
 21. RxQP! ch K-B1

BLACK to Move or Undo or Jump or Clear
 
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