r3kb1r/p1pqnpp1/n3p1Q1/1p1pP2p/3P1P1P/NP4P1/P1PB4/R3K1NR b KQkq - 3 13
FEN state: r3kb1r/p1pqnpp1/n3p1Q1/1p1pP2p/3P1P1P/NP4P1/P1PB4/R3K1NR b KQkq - 3 13 ; Best move: e7g6
The current state of the chess board is: Black rook at a8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at c7, black queen at d7, black knight at e7, black pawn at f7 and black pawn at g7. Black knight at a6, black pawn at e6 and white queen at g6. Black pawn at b5, black pawn at d5, white pawn at e5 and black pawn at h5. White pawn at d4, white pawn at f4 and white pawn at h4. White knight at a3, white pawn at b3 and white pawn at g3. White pawn at a2, white pawn at c2 and white bishop at d2. White rook at a1, white king at e1, white knight at g1 and white rook at h1. White kingside, white queenside, black kingside and black queenside castles are available. Half move number is 3. Full move number is 13. Black to move.