Added "extras" mode
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@ -14,18 +14,29 @@
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\chessboard[setpieces = {#1}]
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\hfill
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\chessboard[setpieces = {#1}]
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\par
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}
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\long\def\sixboards#1{
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\twoboards{#1}
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\vfill
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\twoboards{#1}
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\vfill
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\twoboards{#1}
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}
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\makeatletter
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\long\def\manyboards#1{
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\ifextras
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\sixboards{#1}
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\else
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\if@solutions
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\twoboards{#1}
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\else
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\vfill
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\twoboards{#1}
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\vfill
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\twoboards{#1}
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\fi
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\fi
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}
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\cbDefineNewPiece{white}{U}
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@ -1,12 +1,32 @@
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% use [nosolutions] flag to hide solutions.
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% use [solutions] flag to show solutions.
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\documentclass[
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solutions,
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shortwarning
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solutions
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]{../../resources/ormc_handout}
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\usepackage{../../resources/macros}
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% If true, this will be an "extras" handout
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% (minimal, extra copies of chessboards.)
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%
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% This assumes nosolutions.
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\newif\ifextras
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\extrasfalse
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\ifextras
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% Force-disable page numbers
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% and leave bit more room for the six chessboards.
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\pagestyle{empty}
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\geometry{
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bottom = 20mm,
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footskip = 5mm,
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}
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\fi
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\usepackage{chessfss}
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\usepackage{chessboard}
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\usepackage{anyfontsize} % Silences some chess warnings
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@ -14,6 +34,9 @@
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\usepackage[hang]{footmisc}
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% Modify default tab positions for better stars in score decomposition
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\TabPositions{1.2cm, 2cm, 3cm, 4cm, 5cm, 6cm, 7cm, 8cm}
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@ -28,6 +51,10 @@
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{black!12!white}
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{black!80!white}
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\ifextras
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\excludecomment{hintlist}
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\else
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\newenvironment{hintlist}{
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\begin{@hintlist}
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}{
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@ -35,6 +62,8 @@
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\if@solutions\vspace{-2mm}\fi
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\end{@hintlist}
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}
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\fi
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\long\def\hintcontent#1{
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\if@solutions
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@ -60,6 +89,7 @@
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\begin{document}
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\ifextras\else
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\maketitle
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\footnotetext[1]{
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@ -67,14 +97,17 @@
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The rest are from \textit{The Chess Mysteries of the Arabian Knights}.
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}
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\input{parts/00 rules}
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\input{parts/01 intro}
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\fi
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\input{parts/02 easy}
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\input{parts/03 medium}
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%\input{parts/04 hard}
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\chessboard \hfill \chessboard \par
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\chessboard \hfill \chessboard \par
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\chessboard \hfill \chessboard \par
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\ifextras
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\sixboards{}
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\vfill\pagebreak
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\fi
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\end{document}
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@ -16,7 +16,7 @@ If you solve the problem on your own, your team gets four points. \par
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There are two ways you can ask for assistance: \par
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\begin{itemize}[itemsep=1mm]
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\item First, you may uncover a hint to a part for $\lceil 0.5 \times \text{that part's value} \rceil$ stars. \par
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\item You may uncover a hint to a part for $\lceil 0.5 \times \text{that part's value} \rceil$ stars. \par
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In this problem, the hints for both part 1 and 2 cost 1 star each. \par
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These are always provided in order---you must solve or uncover part 1 to get a hint for part 2.
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@ -43,7 +43,7 @@ There are two ways you can ask for assistance: \par
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\vspace{1cm}
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Each \say{part} corresponds to one hint in the instructor's handout. \par
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(\say{Done} is not a hint, it is simply a bonus for completing the problem).
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\say{Done} is not a hint, it is simply a bonus for completing the problem.
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@ -1,19 +1,21 @@
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\ifextras\else
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\section{Simple problems}
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\fi
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% Sherlock, A little exercise
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\problem{A little exercise}
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%\difficulty{1}{5}
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\onestars{3}
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Black has just moved in the game below. White started on the south side of the board.\par
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What was Black's last move, and what was White's last move? \par
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\ifextras\else
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\note[Note]{
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The boards below are identical copies. Scribble to your heart's content.\\
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There a few empty boards at the end of this handout as well.
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}
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\fi
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\manyboards{
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ka8,Kc8,
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@ -24,7 +26,7 @@ What was Black's last move, and what was White's last move? \par
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\begin{hintlist}
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Part 1: \tab\threestars{0}{1}{2} \par
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\hintcontent{
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What was Black's last move? What White do to make this happen?
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What was Black's last move? What did White do to make this happen?
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}
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Part 2: \tab\threestars{1}{1}{1} \par
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@ -93,7 +95,8 @@ As before, White started on the bottom of the board.
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Part 2: \tab\threestars{1}{1}{2} \par
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\hintcontent{
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It castled kingside (how do we know?). Now, how did it get off G1?
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It castled kingside (how do we know?) \par
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Now, how did it get off G1?
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}
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\vspace{2mm}
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@ -461,7 +464,7 @@ Which bishop was it, and what did it capture? \par
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\end{itemize}
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}
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Part 3: \tab\threestars{3}{2}{3} \par
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Part 3: \tab\threestars{3}{3}{2} \par
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\hintcontent{
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\begin{itemize}
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\item ...the black pawn on G7 captured a white piece on H6.
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@ -470,7 +473,7 @@ Which bishop was it, and what did it capture? \par
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}
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\vspace{2mm}
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Done: \tab\threestars{5}{3}{0}
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Done: \tab\threestars{6}{2}{0}
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\end{hintlist}
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@ -1,4 +1,6 @@
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\ifextras\else
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\section{Slightly harder problems}
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\fi
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% Sherlock, A matter of direction
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\problem{A matter of direction}
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@ -17,12 +19,12 @@ Did White start on the north or south side of the board? \par
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}
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\begin{hintlist}
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Part 1: \tab\threestars{0}{1}{3} \par
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Part 1: \tab\threestars{0}{2}{2} \par
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\hintcontent{
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The bishop on H1 is important. How did White deliver this check?
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}
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\vspace{2mm}
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Done: \tab\threestars{1}{3}{0}
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Done: \tab\threestars{2}{2}{0}
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\end{hintlist}
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\begin{solution}
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@ -164,7 +166,7 @@ White to move. Which side of the board did each color start on? \par
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}
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\begin{hintlist}
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Part 1: \tab\threestars{0}{5}{5} \par
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Part 1: \tab\threestars{0}{6}{3} \par
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\hintcontent{
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Double-checks make all positions seem impossible... \par
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Try E1 and F2 anyway. Can you add pieces to make it make sense? \par
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@ -172,7 +174,7 @@ White to move. Which side of the board did each color start on? \par
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}
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\vspace{2mm}
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Done: \tab\threestars{5}{5}{0}
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Done: \tab\threestars{6}{3}{0}
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\end{hintlist}
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\begin{solution}
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@ -221,7 +223,8 @@ White to move. Which side of the board did each color start on? \par
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There is a piece at G4, marked with a $\odot$. \par
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What is it, and what is its color? \par
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\twoboards{
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\manyboards{
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ra8,ke8,rh8,
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pc7,pd7,
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pb6,
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@ -234,19 +237,19 @@ What is it, and what is its color? \par
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\begin{hintlist}
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Part 1: \tab\threestars{0}{1}{19} \par
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Part 1: \tab\threestars{0}{2}{18} \par
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\hintcontent{
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What color is the missing piece? Count captures.\par
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Look at the region bounded by A1 and B3. How did the bishop get there?
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}
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Part 2: \tab\threestars{1}{1}{18} \par
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Part 2: \tab\threestars{2}{2}{16} \par
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\hintcontent{
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What was White's last move? \par
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What does this tell us about White's king?
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}
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Part 3: \tab\threestars{2}{1}{17} \par
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Part 3: \tab\threestars{4}{4}{12} \par
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\hintcontent{
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Now, look at the region bounded by G1 and H3. \par
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In Part 1, we found that all of White's pieces were captured---including the H1 rook. \par
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@ -254,73 +257,27 @@ What is it, and what is its color? \par
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What does this tell us about the bishop on H1?
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}
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Part 4: \tab\threestars{3}{2}{15} \par
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Part 4: \tab\threestars{8}{3}{9} \par
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\hintcontent{
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The black bishop on H2 must have been promoted on G1. \par
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Which pawn was it, and how did it get there? (Remember, we counted captures in Part 1). \par
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In what order did the cross capture by the G1 and H1 pawns occur?
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}
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Part 5: \tab\threestars{5}{2}{13} \par
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Part 5: \tab\threestars{11}{2}{7} \par
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\hintcontent{
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Which black pieces are still missing? \par
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Remember that White cannot castle through check.
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}
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\vspace{2mm}
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Done: \tab\threestars{7}{13}{0}
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Done: \tab\threestars{13}{7}{0}
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\end{hintlist}
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\vfill
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\pagebreak
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\makeatletter
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\if@solutions
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\else
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\vfill
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\twoboards{
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ra8,ke8,rh8,
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pc7,pd7,
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pb6,
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pa5,
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Ug4,
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Pb3,Pg3,Ph3,
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ba2,Pb2,Pc2,Pd2,Pf2,qg2,bh2,
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Kc1,Rd1,nf1,Bh1
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}
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\vfill
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\twoboards{
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ra8,ke8,rh8,
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pc7,pd7,
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pb6,
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pa5,
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Ug4,
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Pb3,Pg3,Ph3,
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ba2,Pb2,Pc2,Pd2,Pf2,qg2,bh2,
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Kc1,Rd1,nf1,Bh1
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}
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\vfill
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\twoboards{
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ra8,ke8,rh8,
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pc7,pd7,
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pb6,
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pa5,
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Ug4,
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Pb3,Pg3,Ph3,
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ba2,Pb2,Pc2,Pd2,Pf2,qg2,bh2,
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Kc1,Rd1,nf1,Bh1
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}
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\vfill
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\pagebreak
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\fi
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\makeatother
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@ -1,3 +1,9 @@
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\ifextras
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\def\nstars#1#2{}
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\def\startimes#1{}
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\def\onestars#1{}
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\def\threestars#1#2#3{}
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\else
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\def\nstars#1#2{%
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\ifnum #2 > 0%
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\def\starcolor{\color{#1}}%
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@ -30,4 +36,5 @@
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\textbf{Difficulty:} \stars{#1}{#2} \par
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\vspace{1mm}
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}
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\fi
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