r1bqkb1N/1p5p/p6n/P1pPpp2/1P1P1Pp1/1R2n3/3QK1PP/1NB4R w q - 1 22
FEN state: r1bqkb1N/1p5p/p6n/P1pPpp2/1P1P1Pp1/1R2n3/3QK1PP/1NB4R w q - 1 22 ; Best move: b3e3
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8, black bishop at f8 and white knight at h8. Black pawn at b7 and black pawn at h7. Black pawn at a6 and black knight at h6. White pawn at a5, black pawn at c5, white pawn at d5, black pawn at e5 and black pawn at f5. White pawn at b4, white pawn at d4, white pawn at f4 and black pawn at g4. White rook at b3 and black knight at e3. White queen at d2, white king at e2, white pawn at g2 and white pawn at h2. White knight at b1, white bishop at c1 and white rook at h1. Black queenside is the only castle move available. Half move number is 1. Full move number is 22. White to move.