1r2kbnr/1pqbpp1p/n5p1/p2p4/3pPPPP/NPPN4/P7/R1BQKB1R w KQk - 1 13
FEN state: 1r2kbnr/1pqbpp1p/n5p1/p2p4/3pPPPP/NPPN4/P7/R1BQKB1R w KQk - 1 13 ; Best move: e4d5
The current state of the chess board is: Black rook at b8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at b7, black queen at c7, black bishop at d7, black pawn at e7, black pawn at f7 and black pawn at h7. Black knight at a6 and black pawn at g6. Black pawn at a5 and black pawn at d5. Black pawn at d4, white pawn at e4, white pawn at f4, white pawn at g4 and white pawn at h4. White knight at a3, white pawn at b3, white pawn at c3 and white knight at d3. White pawn at a2. White rook at a1, white bishop at c1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. White kingside, white queenside and black kingside castles are available. Half move number is 1. Full move number is 13. White to move.