2d:null 2e:["$","title",null,{"children":"Strategy | maddie lim ✨ | Observable"}] 33:T67b,displayDiscards = (di, idx, callback) => { const doc = html`

`; const dz = di[idx]; const d = dz.state; const inRiichi = di.filter((dzz, i) => dzz.state.riichi && i !== idx); const button = html``; const list = button.addEventListener("click", () => { const riichi = !d.riichi; let newAllState = [...discardStates]; newAllState[idx] = { ...newAllState[idx], state: { ...d, riichi } }; callback(newAllState); }); invalidation.then(() => { button.removeEventListener(list); }); doc.appendChild( html`

${dz.id + 1}:
${ dz.name }
${button}

` ); discardLines.forEach((dl) => { const line = dl.map((u) => { if (u === "") { // return mmt` `; return dTileButton("0x", false); } return dTileButton(u, d[u], (newState) => { let newAllState = [...discardStates]; inRiichi.forEach((r) => { newAllState[r.id] = { ...newAllState[r.id], state: { ...newAllState[r.id].state, [u]: newState || newAllState[r.id].state[u] } }; }); newAllState[idx] = { ...newAllState[idx], state: { ...d, [u]: newState } }; callback(newAllState); }); }); const lineHtml = html`${line}
`; doc.appendChild(lineHtml); }); return doc; }34:[] 31:{"id":"8a1575647760c5f1","slug":"strategy-learnings","title":"Strategy","thumbnail":"e46c2ed478299014f0d99971c5a125feb242c3d71b733e81d3c0796d17f06939","access_level":"public","create_time":"$D2022-07-27T18:22:52.163Z","update_time":"$D2022-07-31T20:57:03.069Z","view_time":null,"first_public_time":"$D2022-07-28T03:36:11.789Z","has_unpublished_edits":null,"fork":false,"stars":0,"starred":false,"owner":{"type":"team","id":"408ee840d040526a","login":"maddievision","name":"maddie lim ✨","avatar_url":"https://avatars-next.observableusercontent.com/44fc4f0f8be73321b571127eefd9853a031c5c33e9985648c91e6aa827258ce0","tier":"starter_2024"},"version":516,"publish_version":516,"role":null,"authored":false,"authors":[{"type":"individual","id":"578d96c86967f83d","login":"maddievision","name":"maddie lim ✨","avatar_url":"https://avatars-next.observableusercontent.com/44fc4f0f8be73321b571127eefd9853a031c5c33e9985648c91e6aa827258ce0","tier":null}],"members":[{"type":"individual","id":"578d96c86967f83d","login":"maddievision","name":"maddie lim ✨","avatar_url":"https://avatars-next.observableusercontent.com/44fc4f0f8be73321b571127eefd9853a031c5c33e9985648c91e6aa827258ce0","tier":null,"role":"editor"}],"comments":[],"custom_thumbnail":false,"trashed":false,"lapsed":null,"subscribed":null,"forks":0,"collection":{"id":"a8b2fa90e38b672d","slug":"mahjong","title":"Riichi Mahjong","owner":{"id":"408ee840d040526a","login":"maddievision","name":"maddie lim ✨"}},"type":"notebook","body":{"title":"Strategy","cells":[{"id":0,"value":"# Strategy","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":460,"value":"[Riichi Book I (free Riichi Mahjong Strategy Book)](https://dainachiba.github.io/RiichiBooks/) highly recommended for the basics!","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":362,"value":"## Tile Usefulness","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":502,"value":"[[Video] Keys to improving in mahjong, part 1](https://youtube.com/watch?v=qEHVNzFAiUY)","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":421,"value":"Be careful of\n* Breaking completed sets\n* Favouring lone tile over a wait\n* Breaking waits","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":364,"value":"**To complete a meld:**
${mt`4m`}${mf`5m6m`} , ${mt` 4m`}${mf`4m4m`}","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":426,"value":"**To complete a pair:**
${mt`7m`}${mf`7m`}","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":429,"value":"**2-sided wait (ryanmen):**
${mt`4m`}${mf`5m`}","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":431,"value":"**Closed wait (kanchan):**
${mt`4m`}${mf`6m`}","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":433,"value":"**Edge wait (penchan):**
${mt`1m`}${mf`2m`}","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":435,"value":"**In a triplet wait:**
${mt`4m`}${mf`4m`}","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":437,"value":"**In a pair wait (tanki):**
${mt`4m`}","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":441,"value":"**As a defensive tile:**
${mt`5m`} … ${mf`1p8m7z4s3z2m`} …","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":452,"value":"**To create a suji trap:**
${mt`7m `}${mf`2m3m 6m7m7m8m`}","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":439,"value":"**As a lone tile:**
${mt`5m 4m 6m 3m 7m 2m 8m 1m 9m`}","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":443,"value":"**To increase hand value:**
${mf`1m1m2m`}${mt`2m`}${mf`3m3m4m5m`} …","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":53,"value":"## Suji","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":504,"value":"[[Video] Suji and EV - Riichi Mahjong Strategy](https://www.youtube.com/watch?v=YcC1-mtPtK4)","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":498,"value":"### Discard Tracker","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":514,"value":"Mark tiles as safe while being able to easily match suji. Suji going outwards from the middle, or nakasuji (inner suji) are safer.","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":241,"value":"resetButton = {\n const button = html``;\n const list = button.addEventListener(\"click\", () => {\n mutable discardStates = initialStates();\n });\n invalidation.then(() => {\n button.removeEventListener(list);\n });\n\n return button;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":255,"value":"html`\n

\n ${displayDiscards(discardStates, 2, (s) => (mutable discardStates = s))}\n

\n${displayDiscards(discardStates, 3, (s) => (mutable discardStates = s))}\n ${displayDiscards(discardStates, 1, (s) => (mutable discardStates = s))}\n

\n

\n${displayDiscards(discardStates, 0, (s) => (mutable discardStates = s))}\n\n`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":19,"value":"## Hand value identification","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":50,"value":"[[Video] Positional Play - Guest Lecture - Riichi Mahjong Strategy](https://www.youtube.com/watch?v=pyWg7Kpv4bI)","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":33,"value":"### Easy prediction","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":25,"value":"MData.printYaku([\n MData.yaku.tanyao,\n MData.yaku.pinfu,\n MData.yaku.honitsu,\n MData.yaku.dora\n])","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":38,"value":"## Fairly stable predictions","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":40,"value":"MData.printYaku([MData.yaku.toitoi, MData.yaku.yakuhai, MData.yaku.riichi])","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":42,"value":"### Difficult predictions","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":44,"value":"MData.printYaku([\n MData.yaku.sanshokudoujun,\n MData.yaku.sanshokudoukou,\n MData.yaku.ittsu,\n MData.yaku.chinitsu\n])","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":16,"value":"import { maj, mmj, mt, mmt, MData } from \"@maddievision/libmahjong\"","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":267,"value":"initialStates = () => [\n {\n id: 0,\n name: \"Me\",\n state: createState()\n },\n {\n id: 1,\n name: \"Right\",\n state: createState()\n },\n {\n id: 2,\n name: \"Across\",\n state: createState()\n },\n {\n id: 3,\n name: \"Left\",\n state: createState()\n }\n]","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":145,"value":"createState = () => ({\n \"riichi\": false,\n \"1m\": false,\n \"2m\": false,\n \"3m\": false,\n \"4m\": false,\n \"5m\": false,\n \"6m\": false,\n \"7m\": false,\n \"8m\": false,\n \"9m\": false,\n \"1p\": false,\n \"2p\": false,\n \"3p\": false,\n \"4p\": false,\n \"5p\": false,\n \"6p\": false,\n \"7p\": false,\n \"8p\": false,\n \"9p\": false,\n \"1s\": false,\n \"2s\": false,\n \"3s\": false,\n \"4s\": false,\n \"5s\": false,\n \"6s\": false,\n \"7s\": false,\n \"8s\": false,\n \"9s\": false,\n \"1z\": false,\n \"2z\": false,\n \"3z\": false,\n \"4z\": false,\n \"5z\": false,\n \"6z\": false,\n \"7z\": false\n})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":246,"value":"mutable discardStates = initialStates();","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":288,"value":"oldDiscardLines = [\n [\n \"\",\n \"1z\",\n \"2z\",\n \"\",\n \"1m\",\n \"2m\",\n \"3m\",\n \"\",\n \"1p\",\n \"2p\",\n \"3p\",\n \"\",\n \"1s\",\n \"2s\",\n \"3s\"\n ],\n [\n \"\",\n \"3z\",\n \"4z\",\n \"\",\n \"4m\",\n \"5m\",\n \"6m\",\n \"\",\n \"4p\",\n \"5p\",\n \"6p\",\n \"\",\n \"4s\",\n \"5s\",\n \"6s\"\n ],\n [\n \"5z\",\n \"6z\",\n \"7z\",\n \"\",\n \"7m\",\n \"8m\",\n \"9m\",\n \"\",\n \"7p\",\n \"8p\",\n \"9p\",\n \"\",\n \"7s\",\n \"8s\",\n \"9s\"\n ]\n]","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":152,"value":"discardLines = [\n [\"1m\", \"2m\", \"3m\", \"\", \"1p\", \"2p\", \"3p\", \"\", \"1s\", \"2s\", \"3s\",],\n [\"4m\", \"5m\", \"6m\", \"\", \"4p\", \"5p\", \"6p\", \"\", \"4s\", \"5s\", \"6s\"],\n [\"7m\", \"8m\", \"9m\", \"\", \"7p\", \"8p\", \"9p\", \"\", \"7s\", \"8s\", \"9s\"],\n [\"\"],\n [ \"\", \"1z\", \"2z\", \"3z\", \"4z\", \"\", \"5z\", \"6z\", \"7z\"],\n []\n]","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":150,"value":"$33","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":189,"value":"dTileButton = (tid, state, callback) => {\n const button = html`

${dz.id + 1}: ${ dz.name } ${button}

${dz.id + 1}:
${ dz.name }
${button}