r1b1kb1r/ppn1pp2/5n2/3p2p1/3p2Pp/1P1P3B/P2QPP1P/R3K1NR w KQkq - 0 13
FEN state: r1b1kb1r/ppn1pp2/5n2/3p2p1/3p2Pp/1P1P3B/P2QPP1P/R3K1NR w KQkq - 0 13 ; Best move: g1f3
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at b7, black knight at c7, black pawn at e7 and black pawn at f7. Black knight at f6. Black pawn at d5 and black pawn at g5. Black pawn at d4, white pawn at g4 and black pawn at h4. White pawn at b3, white pawn at d3 and white bishop at h3. White pawn at a2, white queen at d2, white pawn at e2, white pawn at f2 and white pawn at h2. 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 0. Full move number is 13. White to move.