r2qkb1r/2p1pp2/4nnp1/Pp1p3p/3PPKb1/P1P5/2Q2PPP/RNB2BNR w kq - 1 13
FEN state: r2qkb1r/2p1pp2/4nnp1/Pp1p3p/3PPKb1/P1P5/2Q2PPP/RNB2BNR w kq - 1 13 ; Best move: f4e3
The current state of the chess board is: Black rook at a8, black queen at d8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at c7, black pawn at e7 and black pawn at f7. Black knight at e6, black knight at f6 and black pawn at g6. White pawn at a5, black pawn at b5, black pawn at d5 and black pawn at h5. White pawn at d4, white pawn at e4, white king at f4 and black bishop at g4. White pawn at a3 and white pawn at c3. White queen at c2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, 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 1. Full move number is 13. White to move.