1rb1kb2/1np1pp2/p3q2r/3p2pp/2pPPPn1/4R3/1P4PP/N1B1KBNR w K - 4 22
FEN state: 1rb1kb2/1np1pp2/p3q2r/3p2pp/2pPPPn1/4R3/1P4PP/N1B1KBNR w K - 4 22 ; Best move: e3e2
The current state of the chess board is: Black rook at b8, black bishop at c8, black king at e8 and black bishop at f8. Black knight at b7, black pawn at c7, black pawn at e7 and black pawn at f7. Black pawn at a6, black queen at e6 and black rook at h6. Black pawn at d5, black pawn at g5 and black pawn at h5. Black pawn at c4, white pawn at d4, white pawn at e4, white pawn at f4 and black knight at g4. White rook at e3. White pawn at b2, white pawn at g2 and white pawn at h2. White knight at a1, white bishop at c1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 4. Full move number is 22. White to move.