r1bqkb1r/3npp2/p1pp2pn/7p/R1N4P/1pPP1P2/4PKP1/2BQ1BNR b kq - 2 13
FEN state: r1bqkb1r/3npp2/p1pp2pn/7p/R1N4P/1pPP1P2/4PKP1/2BQ1BNR b kq - 2 13 ; Best move: d6d5
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8, black bishop at f8 and black rook at h8. Black knight at d7, black pawn at e7 and black pawn at f7. Black pawn at a6, black pawn at c6, black pawn at d6, black pawn at g6 and black knight at h6. Black pawn at h5. White rook at a4, white knight at c4 and white pawn at h4. Black pawn at b3, white pawn at c3, white pawn at d3 and white pawn at f3. White pawn at e2, white king at f2 and white pawn at g2. White bishop at c1, white queen at d1, white bishop at f1, white knight at g1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 2. Full move number is 13. Black to move.