rnbqkb2/pn1ppppr/1pp5/6P1/Q3P2p/P1P2P2/1P1P2BP/RNBK2NR b q - 2 13
FEN state: rnbqkb2/pn1ppppr/1pp5/6P1/Q3P2p/P1P2P2/1P1P2BP/RNBK2NR b q - 2 13 ; Best move: d7d5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at d8, black king at e8 and black bishop at f8. Black pawn at a7, black knight at b7, black pawn at d7, black pawn at e7, black pawn at f7, black pawn at g7 and black rook at h7. Black pawn at b6 and black pawn at c6. White pawn at g5. White queen at a4, white pawn at e4 and black pawn at h4. White pawn at a3, white pawn at c3 and white pawn at f3. White pawn at b2, white pawn at d2, white bishop at g2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white king at d1, 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 13. Black to move.