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Added "extras" mode

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This commit is contained in:
Mark 2023-12-06 21:52:05 -08:00
parent 361f9e694f
commit a5362a2eb9
Signed by: Mark
GPG Key ID: C6D63995FE72FD80
6 changed files with 123 additions and 112 deletions
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23
Advanced/Retrograde Analysis/chess-setup.tex
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@ -14,17 +14,28 @@
\chessboard[setpieces = {#1}] \chessboard[setpieces = {#1}]
\hfill \hfill
\chessboard[setpieces = {#1}] \chessboard[setpieces = {#1}]
\par
}
\long\def\sixboards#1{
\twoboards{#1}
\vfill
\twoboards{#1}
\vfill
\twoboards{#1}
} }
\makeatletter \makeatletter
\long\def\manyboards#1{ \long\def\manyboards#1{
\if@solutions \ifextras
\twoboards{#1} \sixboards{#1}
\else \else
\vfill \if@solutions
\twoboards{#1} \twoboards{#1}
\vfill \else
\twoboards{#1} \twoboards{#1}
\twoboards{#1}
\fi
\fi \fi
} }

59
Advanced/Retrograde Analysis/main.tex
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@ -1,12 +1,32 @@
% use [nosolutions] flag to hide solutions. % use [nosolutions] flag to hide solutions.
% use [solutions] flag to show solutions. % use [solutions] flag to show solutions.
\documentclass[ \documentclass[
solutions, solutions
shortwarning
]{../../resources/ormc_handout} ]{../../resources/ormc_handout}
\usepackage{../../resources/macros} \usepackage{../../resources/macros}
% If true, this will be an "extras" handout
% (minimal, extra copies of chessboards.)
%
% This assumes nosolutions.
\newif\ifextras
\extrasfalse
\ifextras
% Force-disable page numbers
% and leave bit more room for the six chessboards.
\pagestyle{empty}
\geometry{
bottom = 20mm,
footskip = 5mm,
}
\fi
\usepackage{chessfss} \usepackage{chessfss}
\usepackage{chessboard} \usepackage{chessboard}
\usepackage{anyfontsize} % Silences some chess warnings \usepackage{anyfontsize} % Silences some chess warnings
@ -14,6 +34,9 @@
\usepackage[hang]{footmisc} \usepackage[hang]{footmisc}
% Modify default tab positions for better stars in score decomposition % Modify default tab positions for better stars in score decomposition
\TabPositions{1.2cm, 2cm, 3cm, 4cm, 5cm, 6cm, 7cm, 8cm} \TabPositions{1.2cm, 2cm, 3cm, 4cm, 5cm, 6cm, 7cm, 8cm}
@ -28,6 +51,10 @@
{black!12!white} {black!12!white}
{black!80!white} {black!80!white}
\ifextras
\excludecomment{hintlist}
\else
\newenvironment{hintlist}{ \newenvironment{hintlist}{
\begin{@hintlist} \begin{@hintlist}
}{ }{
@ -35,6 +62,8 @@
\if@solutions\vspace{-2mm}\fi \if@solutions\vspace{-2mm}\fi
\end{@hintlist} \end{@hintlist}
} }
\fi
\long\def\hintcontent#1{ \long\def\hintcontent#1{
\if@solutions \if@solutions
@ -60,21 +89,25 @@
\begin{document} \begin{document}
\maketitle \ifextras\else
\maketitle
\footnotetext[1]{ \footnotetext[1]{
Most of the easy problems in this handout are from \textit{The Chess Mysteries of Sherlock Holmes}.\\ Most of the easy problems in this handout are from \textit{The Chess Mysteries of Sherlock Holmes}.\\
The rest are from \textit{The Chess Mysteries of the Arabian Knights}. The rest are from \textit{The Chess Mysteries of the Arabian Knights}.
} }
\input{parts/00 rules}
\input{parts/00 rules} \input{parts/01 intro}
\input{parts/01 intro} \fi
\input{parts/02 easy} \input{parts/02 easy}
\input{parts/03 medium} \input{parts/03 medium}
%\input{parts/04 hard} %\input{parts/04 hard}
\chessboard \hfill \chessboard \par
\chessboard \hfill \chessboard \par \ifextras
\chessboard \hfill \chessboard \par \sixboards{}
\vfill\pagebreak
\fi
\end{document} \end{document}

4
Advanced/Retrograde Analysis/parts/00 rules.tex
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@ -16,7 +16,7 @@ If you solve the problem on your own, your team gets four points. \par
There are two ways you can ask for assistance: \par There are two ways you can ask for assistance: \par
\begin{itemize}[itemsep=1mm] \begin{itemize}[itemsep=1mm]
\item First, you may uncover a hint to a part for $\lceil 0.5 \times \text{that part's value} \rceil$ stars. \par \item You may uncover a hint to a part for $\lceil 0.5 \times \text{that part's value} \rceil$ stars. \par
In this problem, the hints for both part 1 and 2 cost 1 star each. \par In this problem, the hints for both part 1 and 2 cost 1 star each. \par
These are always provided in order---you must solve or uncover part 1 to get a hint for part 2. These are always provided in order---you must solve or uncover part 1 to get a hint for part 2.
@ -43,7 +43,7 @@ There are two ways you can ask for assistance: \par
\vspace{1cm} \vspace{1cm}
Each \say{part} corresponds to one hint in the instructor's handout. \par Each \say{part} corresponds to one hint in the instructor's handout. \par
(\say{Done} is not a hint, it is simply a bonus for completing the problem). \say{Done} is not a hint, it is simply a bonus for completing the problem.

17
Advanced/Retrograde Analysis/parts/02 easy.tex
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@ -1,19 +1,21 @@
\section{Simple problems} \ifextras\else
\section{Simple problems}
\fi
% Sherlock, A little exercise % Sherlock, A little exercise
\problem{A little exercise} \problem{A little exercise}
%\difficulty{1}{5} %\difficulty{1}{5}
\onestars{3} \onestars{3}
Black has just moved in the game below. White started on the south side of the board.\par Black has just moved in the game below. White started on the south side of the board.\par
What was Black's last move, and what was White's last move? \par What was Black's last move, and what was White's last move? \par
\ifextras\else
\note[Note]{ \note[Note]{
The boards below are identical copies. Scribble to your heart's content.\\ The boards below are identical copies. Scribble to your heart's content.\\
There a few empty boards at the end of this handout as well. There a few empty boards at the end of this handout as well.
} }
\fi
\manyboards{ \manyboards{
ka8,Kc8, ka8,Kc8,
@ -24,7 +26,7 @@ What was Black's last move, and what was White's last move? \par
\begin{hintlist} \begin{hintlist}
Part 1: \tab\threestars{0}{1}{2} \par Part 1: \tab\threestars{0}{1}{2} \par
\hintcontent{ \hintcontent{
What was Black's last move? What White do to make this happen? What was Black's last move? What did White do to make this happen?
} }
Part 2: \tab\threestars{1}{1}{1} \par Part 2: \tab\threestars{1}{1}{1} \par
@ -93,7 +95,8 @@ As before, White started on the bottom of the board.
Part 2: \tab\threestars{1}{1}{2} \par Part 2: \tab\threestars{1}{1}{2} \par
\hintcontent{ \hintcontent{
It castled kingside (how do we know?). Now, how did it get off G1? It castled kingside (how do we know?) \par
Now, how did it get off G1?
} }
\vspace{2mm} \vspace{2mm}
@ -461,7 +464,7 @@ Which bishop was it, and what did it capture? \par
\end{itemize} \end{itemize}
} }
Part 3: \tab\threestars{3}{2}{3} \par Part 3: \tab\threestars{3}{3}{2} \par
\hintcontent{ \hintcontent{
\begin{itemize} \begin{itemize}
\item ...the black pawn on G7 captured a white piece on H6. \item ...the black pawn on G7 captured a white piece on H6.
@ -470,7 +473,7 @@ Which bishop was it, and what did it capture? \par
} }
\vspace{2mm} \vspace{2mm}
Done: \tab\threestars{5}{3}{0} Done: \tab\threestars{6}{2}{0}
\end{hintlist} \end{hintlist}

73
Advanced/Retrograde Analysis/parts/03 medium.tex
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@ -1,4 +1,6 @@
\section{Slightly harder problems} \ifextras\else
\section{Slightly harder problems}
\fi
% Sherlock, A matter of direction % Sherlock, A matter of direction
\problem{A matter of direction} \problem{A matter of direction}
@ -17,12 +19,12 @@ Did White start on the north or south side of the board? \par
} }
\begin{hintlist} \begin{hintlist}
Part 1: \tab\threestars{0}{1}{3} \par Part 1: \tab\threestars{0}{2}{2} \par
\hintcontent{ \hintcontent{
The bishop on H1 is important. How did White deliver this check? The bishop on H1 is important. How did White deliver this check?
} }
\vspace{2mm} \vspace{2mm}
Done: \tab\threestars{1}{3}{0} Done: \tab\threestars{2}{2}{0}
\end{hintlist} \end{hintlist}
\begin{solution} \begin{solution}
@ -164,7 +166,7 @@ White to move. Which side of the board did each color start on? \par
} }
\begin{hintlist} \begin{hintlist}
Part 1: \tab\threestars{0}{5}{5} \par Part 1: \tab\threestars{0}{6}{3} \par
\hintcontent{ \hintcontent{
Double-checks make all positions seem impossible... \par Double-checks make all positions seem impossible... \par
Try E1 and F2 anyway. Can you add pieces to make it make sense? \par Try E1 and F2 anyway. Can you add pieces to make it make sense? \par
@ -172,7 +174,7 @@ White to move. Which side of the board did each color start on? \par
} }
\vspace{2mm} \vspace{2mm}
Done: \tab\threestars{5}{5}{0} Done: \tab\threestars{6}{3}{0}
\end{hintlist} \end{hintlist}
\begin{solution} \begin{solution}
@ -221,7 +223,8 @@ White to move. Which side of the board did each color start on? \par
There is a piece at G4, marked with a $\odot$. \par There is a piece at G4, marked with a $\odot$. \par
What is it, and what is its color? \par What is it, and what is its color? \par
\twoboards{
\manyboards{
ra8,ke8,rh8, ra8,ke8,rh8,
pc7,pd7, pc7,pd7,
pb6, pb6,
@ -234,19 +237,19 @@ What is it, and what is its color? \par
\begin{hintlist} \begin{hintlist}
Part 1: \tab\threestars{0}{1}{19} \par Part 1: \tab\threestars{0}{2}{18} \par
\hintcontent{ \hintcontent{
What color is the missing piece? Count captures.\par What color is the missing piece? Count captures.\par
Look at the region bounded by A1 and B3. How did the bishop get there? Look at the region bounded by A1 and B3. How did the bishop get there?
} }
Part 2: \tab\threestars{1}{1}{18} \par Part 2: \tab\threestars{2}{2}{16} \par
\hintcontent{ \hintcontent{
What was White's last move? \par What was White's last move? \par
What does this tell us about White's king? What does this tell us about White's king?
} }
Part 3: \tab\threestars{2}{1}{17} \par Part 3: \tab\threestars{4}{4}{12} \par
\hintcontent{ \hintcontent{
Now, look at the region bounded by G1 and H3. \par Now, look at the region bounded by G1 and H3. \par
In Part 1, we found that all of White's pieces were captured---including the H1 rook. \par In Part 1, we found that all of White's pieces were captured---including the H1 rook. \par
@ -254,73 +257,27 @@ What is it, and what is its color? \par
What does this tell us about the bishop on H1? What does this tell us about the bishop on H1?
} }
Part 4: \tab\threestars{3}{2}{15} \par Part 4: \tab\threestars{8}{3}{9} \par
\hintcontent{ \hintcontent{
The black bishop on H2 must have been promoted on G1. \par The black bishop on H2 must have been promoted on G1. \par
Which pawn was it, and how did it get there? (Remember, we counted captures in Part 1). \par Which pawn was it, and how did it get there? (Remember, we counted captures in Part 1). \par
In what order did the cross capture by the G1 and H1 pawns occur? In what order did the cross capture by the G1 and H1 pawns occur?
} }
Part 5: \tab\threestars{5}{2}{13} \par Part 5: \tab\threestars{11}{2}{7} \par
\hintcontent{ \hintcontent{
Which black pieces are still missing? \par Which black pieces are still missing? \par
Remember that White cannot castle through check. Remember that White cannot castle through check.
} }
\vspace{2mm} \vspace{2mm}
Done: \tab\threestars{7}{13}{0} Done: \tab\threestars{13}{7}{0}
\end{hintlist} \end{hintlist}
\vfill
\pagebreak
\makeatletter \makeatletter
\if@solutions \if@solutions
\else
\vfill
\twoboards{
ra8,ke8,rh8,
pc7,pd7,
pb6,
pa5,
Ug4,
Pb3,Pg3,Ph3,
ba2,Pb2,Pc2,Pd2,Pf2,qg2,bh2,
Kc1,Rd1,nf1,Bh1
}
\vfill
\twoboards{
ra8,ke8,rh8,
pc7,pd7,
pb6,
pa5,
Ug4,
Pb3,Pg3,Ph3,
ba2,Pb2,Pc2,Pd2,Pf2,qg2,bh2,
Kc1,Rd1,nf1,Bh1
}
\vfill
\twoboards{
ra8,ke8,rh8,
pc7,pd7,
pb6,
pa5,
Ug4,
Pb3,Pg3,Ph3,
ba2,Pb2,Pc2,Pd2,Pf2,qg2,bh2,
Kc1,Rd1,nf1,Bh1
}
\vfill \vfill
\pagebreak \pagebreak
\fi \fi
\makeatother \makeatother

59
Advanced/Retrograde Analysis/stars.tex
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@ -1,33 +1,40 @@
\def\nstars#1#2{% \ifextras
\ifnum #2 > 0% \def\nstars#1#2{}
\def\starcolor{\color{#1}}% \def\startimes#1{}
\count255=1% \def\onestars#1{}
\loop{% \def\threestars#1#2#3{}
\starcolor $\bigstar$% \else
}% \def\nstars#1#2{%
\ifnum \count255 < #2% \ifnum #2 > 0%
\advance\count255 by 1% \def\starcolor{\color{#1}}%
\repeat% \count255=1%
\fi% \loop{%
} \starcolor $\bigstar$%
}%
\ifnum \count255 < #2%
\advance\count255 by 1%
\repeat%
\fi%
}
\def\startimes#1{ \def\startimes#1{
{\color{ogrape} $\bigstar \times #1$} {\color{ogrape} $\bigstar \times #1$}
} }
\def\onestars#1{ \def\onestars#1{
\nstars{ogrape}{#1} \nstars{ogrape}{#1}
} }
\def\threestars#1#2#3{ \def\threestars#1#2#3{
\nstars{white}{#1}\nstars{ogrape}{#2}\nstars{white}{#3} \nstars{white}{#1}\nstars{ogrape}{#2}\nstars{white}{#3}
} }
% Not used, commented out. % Not used, commented out.
\def\difficulty#1#2{ \def\difficulty#1#2{
\textbf{Difficulty:} \stars{#1}{#2} \par \textbf{Difficulty:} \stars{#1}{#2} \par
\vspace{1mm} \vspace{1mm}
} }
\fi