r1bqk1n1/p7/2nppbpr/2pQ3p/P6P/1PPPpPP1/R3K3/1N3BNR b q - 1 20
FEN state: r1bqk1n1/p7/2nppbpr/2pQ3p/P6P/1PPPpPP1/R3K3/1N3BNR b q - 1 20 ; Best move: e6d5
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8 and black knight at g8. Black pawn at a7. Black knight at c6, black pawn at d6, black pawn at e6, black bishop at f6, black pawn at g6 and black rook at h6. Black pawn at c5, white queen at d5 and black pawn at h5. White pawn at a4 and white pawn at h4. White pawn at b3, white pawn at c3, white pawn at d3, black pawn at e3, white pawn at f3 and white pawn at g3. White rook at a2 and white king at e2. White knight at b1, white bishop at f1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 1. Full move number is 20. Black to move.