r2qkbn1/pbpppppr/2n4p/1p6/P3P1P1/5P1P/1PPPK3/RNBQ1BNR b q - 2 6
FEN state: r2qkbn1/pbpppppr/2n4p/1p6/P3P1P1/5P1P/1PPPK3/RNBQ1BNR b q - 2 6 ; Best move: e7e5
The current state of the chess board is: Black rook at a8, black queen at d8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at a7, black bishop at b7, black pawn at c7, black pawn at d7, black pawn at e7, black pawn at f7, black pawn at g7 and black rook at h7. Black knight at c6 and black pawn at h6. Black pawn at b5. White pawn at a4, white pawn at e4 and white pawn at g4. White pawn at f3 and white pawn at h3. White pawn at b2, white pawn at c2, white pawn at d2 and white king at e2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1, 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 2. Full move number is 6. Black to move.