rnb1kbnr/pp6/2pqp3/3p1ppp/P1PKP3/3P1PP1/1P1N3P/R1BQ1BNR b kq - 0 13
FEN state: rnb1kbnr/pp6/2pqp3/3p1ppp/P1PKP3/3P1PP1/1P1N3P/R1BQ1BNR b kq - 0 13 ; Best move: d5e4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7 and black pawn at b7. Black pawn at c6, black queen at d6 and black pawn at e6. Black pawn at d5, black pawn at f5, black pawn at g5 and black pawn at h5. White pawn at a4, white pawn at c4, white king at d4 and white pawn at e4. White pawn at d3, white pawn at f3 and white pawn at g3. White pawn at b2, white knight at d2 and white pawn at h2. White rook at a1, 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 0. Full move number is 13. Black to move.