2b1kb1r/1p1qpp2/2n2n2/1r1p3p/P2P1BP1/1pPp3N/R2KPP1P/1N3B1R w k - 1 20
FEN state: 2b1kb1r/1p1qpp2/2n2n2/1r1p3p/P2P1BP1/1pPp3N/R2KPP1P/1N3B1R w k - 1 20 ; Best move: a2b2
The current state of the chess board is: Black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at b7, black queen at d7, black pawn at e7 and black pawn at f7. Black knight at c6 and black knight at f6. Black rook at b5, black pawn at d5 and black pawn at h5. White pawn at a4, white pawn at d4, white bishop at f4 and white pawn at g4. Black pawn at b3, white pawn at c3, black pawn at d3 and white knight at h3. White rook at a2, white king at d2, white pawn at e2, white pawn at f2 and white pawn at h2. White knight at b1, white bishop at f1 and white rook at h1. Black kingside is the only castle move available. Half move number is 1. Full move number is 20. White to move.