The Whale

The Whale arises when White answers 1. e4 e5 with 2. c4, putting a second pawn on d5 before any piece has left the back rank. Despite the English Opening label, it is classified under C20 among the king's pawn openings. The pawn pair on c4 and e4 rules out a later ...d5 break for some time, but the cost is structural: d4 can never again be guarded by a pawn and becomes a lasting outpost for Black's pieces, while the f1 bishop loses its natural squares on c4 and b5. The engine finds the position roughly balanced with a faint lean toward Black, and Black scores marginally better in practice. The name comes from Eric Schiller, who thought the setup large and lumbering; John Cochrane tried it in the nineteenth century.

Black has several sound replies. 2...Nf6 and 2...Nc6 are the most frequent, and 2...Bc5, aiming the bishop at the weakened dark squares, gives Black the best results. Less reliable are 2...g6, the Adorjan Defense, which allows 3. d4 exd4 4. Qxd4 with a hit on the h8 rook; 2...c6, transposing to the Open Variation of the Caro-Kann Accelerated Panov Attack; and 2...d5, the Bavarian Gambit.