From c5d487edbfe5839941726823845de3b57b47c4cd Mon Sep 17 00:00:00 2001
From: Eric Wagoner <ewagoner@gmail.com>
Date: Wed, 23 Sep 2026 19:01:42 -0400
Subject: [PATCH] The Tablut board is cut in stone: mottled, chipped at a few
 corners, and cracked twice, as a slab from a long hall would be

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Jm2auWk6RP71CjaAb4FMoG
---
 src/lib/components/Board.svelte | 72 ++++++++++++++++++++++++++++++---
 1 file changed, 67 insertions(+), 5 deletions(-)

diff --git a/src/lib/components/Board.svelte b/src/lib/components/Board.svelte
index 86bbc15..4a521b7 100644
--- a/src/lib/components/Board.svelte
+++ b/src/lib/components/Board.svelte
@@ -48,6 +48,34 @@
 	};
 	const pieceWord = (p: string) => (p === 'k' ? 'the king' : p === 'a' ? 'an attacker' : 'a defender');
 
+	// --- Age: the Tablut board came out of a long hall. A few chipped corners
+	// and two hairline cracks, placed by a fixed hand so the board is the same
+	// board every visit; nothing here moves or changes with play.
+	const chips = $derived.by(() => {
+		if (!worn) return [] as { x: number; y: number; r: number; d: string }[];
+		const spots = [
+			[1, 0, 3], [size - 1, 2, 0], [3, size - 1, 1], [size - 2, size - 2, 2], [0, size - 3, 3], [size - 4, 0, 1], [2, 4, 0]
+		] as const;
+		return spots.map(([cx, cy, corner]) => {
+			const x = PAD_L + cx * CELL + (corner === 1 || corner === 2 ? CELL : 0);
+			const y = PAD_T + cy * CELL + (corner >= 2 ? CELL : 0);
+			const sx = corner === 1 || corner === 2 ? -1 : 1;
+			const sy = corner >= 2 ? -1 : 1;
+			const a = 5 + ((cx * 7 + cy * 3) % 4);
+			const b = 4 + ((cx * 5 + cy) % 3);
+			return { x, y, r: 0, d: `M${x} ${y} l${sx * a} 0 l${-sx * (a - b)} ${sy * b} l${-sx * b} ${sy * (a - b + 1)} z` };
+		});
+	});
+	const cracks = $derived.by(() => {
+		if (!worn) return [] as string[];
+		const w = PAD_L + size * CELL;
+		const h = PAD_T + size * CELL;
+		return [
+			`M${PAD_L + CELL * 0.6} ${PAD_T + 2} c 6 14, -4 22, 8 36 s 2 18, 14 26 s 4 10, 2 22`,
+			`M${w - 3} ${h - CELL * 2.4} c -12 4, -18 -6, -30 2 s -14 12, -26 8 s -12 -4, -18 6`
+		];
+	});
+
 	// --- Tokens: pieces with a life of their own, so a move slides and a capture fades ---
 	interface Token {
 		id: number;
@@ -245,15 +273,23 @@
 					<filter id="grain" x="0" y="0" width="100%" height="100%">
 						<feTurbulence type="fractalNoise" baseFrequency="0.9" numOctaves="2" seed="7" result="noise" />
 						<feColorMatrix in="noise" type="saturate" values="0" result="grey" />
-						<feComponentTransfer in="grey" result="soft"><feFuncA type="linear" slope={worn ? 0.42 : 0.14} /></feComponentTransfer>
+						<feComponentTransfer in="grey" result="soft"><feFuncA type="linear" slope={worn ? 0.5 : 0.14} /></feComponentTransfer>
 						<feBlend in="SourceGraphic" in2="soft" mode="multiply" />
 					</filter>
 					<filter id="worn" x="-5%" y="-5%" width="110%" height="110%">
 						<feTurbulence type="fractalNoise" baseFrequency="0.07" numOctaves="2" seed="3" result="warp" />
-						<feDisplacementMap in="SourceGraphic" in2="warp" scale={worn ? 2.4 : 0} xChannelSelector="R" yChannelSelector="G" />
+						<feDisplacementMap in="SourceGraphic" in2="warp" scale={worn ? 2.8 : 0} xChannelSelector="R" yChannelSelector="G" />
+					</filter>
+					<filter id="mottle" x="0" y="0" width="100%" height="100%">
+						<feTurbulence type="fractalNoise" baseFrequency="0.018" numOctaves="3" seed="11" result="blotch" />
+						<feColorMatrix in="blotch" type="matrix" values="0 0 0 0 0.16  0 0 0 0 0.14  0 0 0 0 0.11  0 0 0 0.55 0" result="stain" />
+						<feBlend in="SourceGraphic" in2="stain" mode="multiply" />
 					</filter>
 				</defs>
 				<rect class="wood" x="0" y="0" {width} {height} rx="6" filter="url(#grain)" />
+				{#if worn}
+					<rect class="stain" x="0" y="0" {width} {height} rx="6" filter="url(#mottle)" />
+				{/if}
 				{#each showCoords ? Array.from({ length: size }, (_, n) => n) : [] as n (n)}
 					<text class="coord" x={PAD_L + n * CELL + CELL / 2} y={height - 4} text-anchor="middle">{String.fromCharCode(97 + n)}</text>
 					<text class="coord" x={PAD_L - 4} y={PAD_T + n * CELL + CELL / 2 + 3} text-anchor="end">{size - n}</text>
@@ -287,6 +323,12 @@
 							<circle class="hint" cx={x + CELL / 2} cy={y + CELL / 2} r={CELL * 0.14} pointer-events="none" />
 						{/if}
 					{/each}
+					{#each chips as chip (chip.d)}
+						<path class="chip" d={chip.d} />
+					{/each}
+					{#each cracks as crack (crack)}
+						<path class="crack" d={crack} />
+					{/each}
 					{#each tokens as t (t.id)}
 						{@const c = cellOf(size, t.at)}
 						{@const cx = PAD_L + c.x * CELL + CELL / 2}
@@ -375,10 +417,10 @@
 		--crown: #6b4a0f;
 	}
 
-	/* Tablut: the older game, on a board that has been in a barn. */
+	/* Tablut: the older game, cut in stone and kept in a long hall for a thousand years. */
 	.board[data-set='tablut'] {
-		--wood: #8d8577;
-		--wood-line: rgba(40, 34, 28, 0.4);
+		--wood: #8a8578;
+		--wood-line: rgba(36, 32, 27, 0.45);
 		--coord: rgba(30, 26, 20, 0.5);
 		--square: rgba(255, 250, 235, 0.05);
 		--square-edge: rgba(255, 250, 235, 0.09);
@@ -472,6 +514,26 @@
 		transition: fill 1.2s ease;
 	}
 
+	.stain {
+		fill: rgba(120, 110, 96, 0.22);
+		pointer-events: none;
+	}
+
+	.chip {
+		fill: rgba(28, 24, 20, 0.42);
+		stroke: rgba(230, 222, 205, 0.18);
+		stroke-width: 0.6;
+		pointer-events: none;
+	}
+
+	.crack {
+		fill: none;
+		stroke: rgba(24, 20, 16, 0.55);
+		stroke-width: 0.9;
+		stroke-linecap: round;
+		pointer-events: none;
+	}
+
 	.coord {
 		fill: var(--coord);
 		font-family: var(--font);