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Elbow horse

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The elbow horse (simplified Chinese: 卧槽马; traditional Chinese: 臥槽馬; pinyin: wò cáo mǎ) is an attacking horse placement in xiangqi. In its modern form, the horse stands just outside the opposing palace, one point in front of either original elephant position. It can check the general on the central point of the back rank and cooperate with other pieces to restrict escape, win material, or deliver checkmate. Jim Png Hau Cheng describes it as one of xiangqi’s most important attacking positions.[1]

An older use of the name places the horse one file farther toward the edge of the board, in front of an original horse position. This usage appears in the opening literature, including Secrets Inside the Orange (橘中秘, 1632). This older location is the position of the golden hooked horse (金钩马).[2]

The motif appears in classical compositions, instructional literature, and tournament play. It also occurs in xiangqi proverbs and personal recollections, and has been used figuratively in sports writing and television drama to describe a threatening or concealed force.

Terminology and history

Chinese and English names

The Chinese name combines wò (卧, “lie down” or “recline”), cáo (槽, “trough”), and mǎ (马, “horse”).[3] An essay published by the Shenzhen Qiguo Xiangqi Museum connects the name with the original horse station, known as the “trough position” (槽位). In this explanation, the older elbow horse stands beside the opponent’s trough.[4]

An alternative explanation in the essay “Language knowledge in xiangqi” derives the expression from wō cháo (窝巢, “nest”), an image for the general’s home. It proposes that the term arose through wordplay involving the sounds and order of these characters.[5]

The modern position lies on the third or seventh file, known as the “elbow files”. Png attributes this designation to the Asian Xiangqi Federation.[2]

In his Lexicon of Xiangqi/Chinese Chess Terms in English, Png uses “elbow horse” and records Felix Tan’s proposed alternative, “moat horse”. Tan’s analogy refers to the moat or other defenses around a palace: an enemy able to maneuver cavalry and build stables outside it poses a serious threat.[2] “Elbow” is not a literal translation of the Chinese name.[3]

Classical usage

Png distinguishes the modern elbow horse on the third or seventh file from an older usage on the second or eighth file of the same rank. The latter corresponds to the golden hooked horse (金钩马), one file farther from the palace.[2][6]

Elegant Pastime (适情雅趣), a collection associated with 1570, contains compositions using the modern elbow-horse position. Xu Zhi (徐芝) is credited as its compiler and Chen Xueli (陈学礼) as its editor. In “Lowering the Reins to Rescue the Lord” and “Building a Bridge upon Meeting Water”, the horse’s early check initiates a longer combination in which it later takes on a different role.[7][8]

Zhu Jinzhen’s (朱晋桢) Secrets Inside the Orange preserves the older meaning in a line headed “Same-direction cannons, upright chariot, elbow horse” (顺炮直车卧槽马). Black’s horse advances to the point in front of Red’s original horse position, then withdraws to a palace corner with check. The horse occupies a different file from the modern elbow horse.[9]

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In Secrets Inside the Orange, 8... h3+2 establishes the older elbow-horse position. The later 10... h2-4 gives check from a palace corner.[9]

The older placement also appears in a free-hand-cannon line (信手炮) attributed to Unbeatable Upon Leaving the Cave (自出洞来无敌手). Red’s horse reaches the point in front of Black’s original horse position, later gives check from a palace corner, and finally serves as a cannon screen.[10]

Language, literature and cultural reception

Sayings and literary allusions

The saying “连车重炮卧槽马，城里老将挨死打” (“Linked chariots, stacked cannons, an elbow horse—the general in the city takes a mortal beating”) groups the elbow horse with other coordinated attacking formations.[11]

Tournament commentary also draws on literary images of horses. A 2014 report of Zhao Xinxin’s (赵鑫鑫) game against Zheng Weitong (郑惟桐) describes the decisive horse maneuver with “the horse raced as swiftly as Dilu” (马作的卢飞快). The line comes from Xin Qiji’s (辛弃疾) “Breaking the Battle Formation: A Heroic Lyric Sent to Chen Tongfu” (破阵子·为陈同甫赋壮词以寄之), transferring an image of mounted battle to the chessboard.[12][13]

Classical problem titles give the horse’s maneuvers a narrative form. In later annotations to Elegant Pastime, “Lowering the Reins to Rescue the Lord” takes its meaning from a horse’s return to protect its own general; in “Building a Bridge upon Meeting Water”, the horse forms the “bridge” by becoming a cannon screen.[8]

Recollections of play

Biographical accounts place the term among the named tactics learned in childhood. A profile of Zhao Guorong (赵国荣) recalls his learning the elbow horse before school, while a profile of Zang Ruyi (臧如意) describes his early exposure to tactical vocabulary through Beijing teahouse play.[14][15]

In a 2023 Yangcheng Evening News essay, Chen Jicheng (陈积成) recalls learning the motif from a book by Yang Guanlin (杨官璘) and later cycling across the city to watch the Five Rams Cup.[16]

A 2012 United Daily News newsletter essay by the writer Five Trees (五木) recounts a game against a blind opponent using a tactile board. The narrator expects an H8+7 elbow-horse attack to succeed, but the opponent captures the horse with a retreating cannon. The missed defense provides the story’s reversal.[17]

Figurative uses

A 2006 Shanghai Youth Daily football article compares an attacking midfield arrangement to an elbow horse, using the image of a piece stationed close to the opponent’s vulnerable center.[18] In China Central Television’s synopsis of episode 15 of Jinggangshan (井冈山), Zeng Shi’e (曾士峨) is described as an elbow horse: a concealed asset available to Mao Zedong (毛泽东).[19]

Tactical role

Attack and coordination

Png treats the elbow horse as a fundamental attacking position, describing elbow-horse checkmate as a technique in which the horse restricts the general while another piece delivers mate.[2] A modern elbow horse stands on the second rank from the opponent’s back edge, immediately outside the palace. With its inward leg unobstructed, it attacks the central points on the palace’s front and back ranks, but not the central point on the middle rank. A mating attack therefore requires other pieces to close the general’s remaining escape routes.[20][21]

A chariot can cut off the general’s escape along the middle rank, while the horse checks from the side. The horse may also give check and simultaneously attack a chariot on an outside file.[4] In horse-and-cannon combinations, it can force the general onto an exposed line or later become a cannon screen.[8][10] An elbow horse can also cooperate with a second horse that controls an escape route, as in the pattern “two horses drinking at the spring” (双马饮泉).[22]

The horse need not remain on the elbow-horse point throughout an attack. Moving between attacking positions can uncover checks by another piece and win material.[1]

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Figure 15 in Yang Guanlin’s New Compilation from the Chess World (弈林新编). The quiet move 2. H4+2 prepares the elbow horse; 5. H2+3 later delivers mate with the chariot’s support.[21]

Elbow-horse attacks can also win material. In the 2010 national league, Li Hongjia (李鸿嘉) used a coordinated attack against Chen Zhuo (陈卓) to win a cannon.[23] In a 2012 game against Wang Yang (汪洋), Nie Tiewen (聂铁文) offered a chariot against an advisor; accepting it would have allowed an elbow-horse mate. Wang resigned.[24]

Defense

Defenses include preventing the horse’s entry, blocking its checking leg, capturing or exchanging it, moving the general, and removing its supporting pieces. Wu Guilin’s (吴贵临) Xiangqi Art of War (象棋兵法) compares interpositions and counterattacks against the motif.[25]

The leg used to enter the elbow-horse position differs from the leg used to check once there. An advisor on a palace corner can obstruct an approach from that direction, but it cannot occupy the point directly between an established elbow horse and the middle rank of the palace. A chariot or cannon can block that checking leg, although an interposition may expose the defender to another threat.[25]

The advanced horse can itself become a target. Xu Yinchuan (许银川) trapped Hong Zhi’s (洪智) horse in the January 2010 year-end final.[26] In the 2013 Covered Bridge Cup, Tang Dan (唐丹) exchanged a cannon for Zhang Guofeng’s (张国凤) attacking horse.[27] A report of Zheng Weitong’s game against Wang Tianyi (王天一) in the 2018 National Cup criticized Zheng’s rapid horse advance because his other pieces had not developed enough to support it.[28]

Classical compositions and endings

Lowering the Reins to Rescue the Lord

Problem 24 of Elegant Pastime, “Lowering the Reins to Rescue the Lord” (垂缰救主), begins with the elbow-horse check 1. H2+3, driving Black’s general off the central file. The combination develops through two horses: one removes a central pawn, while the other eventually captures an advisor and returns to shield Red’s general. This releases the chariot to give check along the back rank.[8]

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23. H4-6 shields Red’s general. After Black’s reply, 24. R7+8 gives check with the released chariot.[8]

Building a Bridge upon Meeting Water

In problem 45, “Building a Bridge upon Meeting Water” (遇水叠桥), 2. H2+3 establishes an elbow-horse check early in the attack. Horse-and-cannon cooperation wins a chariot, and a later chariot sacrifice redirects a defender. The horse then circles back to become the screen for the final cannon check. The mate is completed by 15. H2-4.[8]

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The horse’s final position supplies the cannon screen described as a “bridge” in the annotation.[8]

Another problem, “Lone Deer Calling in the Marsh” (独鹿鸣泽), contrasts an elbow-horse approach with a palace-corner sacrifice. Its solution begins 1. H8+6, after which Black’s advisor captures the horse. Chariot and cannon attacks then exploit the changed arrangement.[8][4]

Horse-and-pawn ending

Ending 28 in New Compilation from the Chess World uses the elbow horse to restrict the elephants while Black’s general stands on the central point of the palace’s middle rank, outside the horse’s attack. The annotation describes waiting for the elephants’ movement to become obstructed, then withdrawing the horse so that the pawn can advance. The line concludes with a winning evaluation for Red.[21]

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7. H8+7 establishes the elbow horse without check. The horse later withdraws, and the line ends with 12. P7+1.[21]

Tournament examples

The 2019 national final between Wang Yang, playing Red, and Wang Tianyi, playing Black, includes elbow-horse incursions by both sides. Red gives check with 13. H6+7, but after a delay in bringing up support, Black attacks the horse with 14... c8-5 and it withdraws. Black later establishes an elbow horse with 33... h5+7; Red returns to the post with 43. H6+7. Wang Tianyi won the game.[29]

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Wang Yang–Wang Tianyi, 2019 national final. Black’s 14... c8-5 attacks the advanced horse.[29]

The motif can influence play through an unexecuted threat. In the 2019 Gaogang Cup final, Meng Chen (孟辰) developed his other horse instead of immediately giving the expected elbow-horse check against Wang Tianyi. A cannon committed to defense became vulnerable to a chariot maneuver, and Wang resigned with material still equal.[30] Tang Zhuoguang’s (汤卓光) analysis of the drawn 2023 Five Rams Cup final between Hong Zhi and Zheng Weitong identifies an alternative cannon move that would have allowed an elbow-horse mating attack; the continuation was avoided in the game.[31]

Material gained through the motif does not always determine the result. Tang Dan won material with horse-and-cannon threats against Wang Yang in the 2011 Dadi Cup but lost on time. In the veterans’ group of the 2026 Five Rams Cup, Yu Youhua (于幼华) used the elbow horse to win a major piece against Liu Dahua (柳大华), then blundered and lost.[32][33]

Teaching

The Chinese Xiangqi Association includes recognition of the elbow horse in its grade-15 assessment requirements.[34] It also appears in school curricula: Taipei Xinhe Elementary School’s 2024 club plan schedules it in week 5, and Taipei Zhishan Elementary School’s spring 2025 plan pairs it with the palace-corner horse in week 11.[35][36]

Instructional books treat the motif as a subject in its own right. Yang Guanlin includes it in both mating combinations and practical endings in New Compilation from the Chess World. Jin Qichang (金启昌) and others devoted 100 Elbow-Horse Mating Combinations (卧槽马杀100着, 2000) to it.[21][37]

See also

  • Palace-corner horse
  • Cannon behind the horse
  • Two horses drinking at the spring
  • Horse-leg obstruction

References

  1. ↑ 1.0 1.1 Jim Png Hau Cheng. A Beginner’s Companion to Xiangqi. “Elbow Horse Attack/Checkmate”, pp. 91–93.
  2. ↑ 2.0 2.1 2.2 2.3 2.4 Jim Png Hau Cheng (2017). A Lexicon of Xiangqi/Chinese Chess Terms in English. Taipei: Jim Png Hau Cheng. “Elbow Files”, “Elbow Horse”, and “Elbow Horse Checkmate”, pp. 190–191. ISBN 978-957-43-4707-0.
  3. ↑ 3.0 3.1 Chinese University of Hong Kong (香港中文大學). “Multi-function Chinese Character Database: lie down; trough” [漢語多功能字庫：臥、槽]. Chinese University of Hong Kong (香港中文大學). entries for 臥 and 槽. 槽 · 臥
  4. ↑ 4.0 4.1 4.2 Kirin Descendant, pen name (麒麟传人) (10 July 2023). “Elbow horse” [卧槽马]. Shenzhen Qiguo Xiangqi Museum (深圳市棋国象棋博物馆), reposted from Zhihu (知乎). explanation of the name; attacking uses; discussion of 独鹿鸣泽.
  5. ↑ Little Writers editorial site (小作家网) (30 June 2019). “Language knowledge in xiangqi” [象棋里的语文知识]. Little Writers (小作家网).
  6. ↑ Jim Png Hau Cheng. “Basic Kills involving the Horse Introduction”. Xiangqi in English. Horse-position terminology.
  7. ↑ Wu Qiangsheng (伍强胜); reviewed by Chen Xiaokun (陈孝坤) and Zhu Hezhou (朱鹤洲) (2022). Record of Modern and Contemporary Xiangqi Problem Composers [近现代象棋排局名家录]. Hangzhou xiangqi research collection (杭州象棋研究文集), hosted by World Xiangqi Federation (世界象棋联合会). pp. 4–5.
  8. ↑ 8.0 8.1 8.2 8.3 8.4 8.5 8.6 8.7 Xu Zhi (徐芝), compiler; Chen Xueli (陈学礼), associated editor (1570). Elegant Pastime [适情雅趣]. Chinese Xiangqi Game Record Network (中国象棋棋谱网). problems 24 and 45; problem 24, annotations at plies 21, 33 and 45; problem 45, final annotation; problem 45; problem 24; problem 24, plies 45–47; problem 45, final annotation; problem 14. Digital transcription. Problem 14 · Problem 24 · Collection index · Problem 45
  9. ↑ 9.0 9.1 Zhu Jinzhen (朱晋桢) (1632). Secrets Inside the Orange [橘中秘]. Dongping Xiangqi (东萍象棋网); Chinese Xiangqi Game Record Network (中国象棋棋谱网). 1632 preface; yielding-first-move game 7; yielding-first-move game 7. Digital transcription. Game 7 · Preface and text
  10. ↑ 10.0 10.1 Ourgame editorial archive (联众) (10 April 2003). “Detailed xiangqi terminology: free-hand cannon” [象棋术语精解：信手炮]. Ourgame (联众). illustrative score.
  11. ↑ Kxue dictionary compilation (快学网词典) (1 December 2012). “Xiangqi proverbs” [象棋谚语]. Kxue (快学网).
  12. ↑ Xiangqi Prince (象棋王子) (25 September 2014). “Yang Guanlin Cup, round three” [杨官璘杯3轮：刺刀见红 许银川蒋川王天一郑惟桐领先]. Guangxiang (广象网). Zhao Xinxin–Zheng Weitong.
  13. ↑ Xin Qiji (辛弃疾), poem; Hu Chenxi (胡晨曦), commentary (25 December 2023). “Future Classroom: Breaking the Battle Formation, a heroic lyric sent to Chen Tongfu” [未来讲堂丨辛弃疾《破阵子·为陈同甫赋壮词以寄之》]. China Soong Ching Ling Foundation (中国宋庆龄基金会), on Xinhua (新华网). second stanza.
  14. ↑ Football and Sports (足球·劲体育) (15 June 2005). “Zhao Guorong’s many sporting and board-game interests” [乒乓棋牌两不误 赵国荣18般牌艺样样精通]. Sina republication (新浪转载).
  15. ↑ Guangxiang biographical archive (广象网) (19 November 2012). “Golden Years: Veteran Xiangqi Figures (36), Hebei’s Zang Ruyi” [流金岁月棋坛名宿（36）：河北臧如意]. Guangxiang (广象网).
  16. ↑ Chen Jicheng (陈积成) (15 January 2023). “Cycling across the cold city to watch the Five Rams Cup” [从城东到城西，寒风中骑车穿城去看“五羊杯”]. Yangcheng Evening News (羊城晚报), A04.
  17. ↑ Five Trees, pen name (五木) (20 April 2012). “The extraordinarily skilled blind chess player” [不悶鍋事件／神乎其技的盲棋手]. United Daily News (聯合報), Colorful newsletter (繽紛電子報), issue 2839. issue 2839, “The extraordinarily skilled blind chess player”.
  18. ↑ Shanghai Youth Daily (上海青年报) (2 June 2006). “Fine wine conceals a killing threat” [葡萄美酒暗藏杀机]. Sina republication (新浪转载).
  19. ↑ China Central Television (中央电视台) (21 December 2011). “Jinggangshan, episode 15: programme synopsis” [井冈山 第15集]. CCTV programme archive (央视网节目档案).
  20. ↑ GameTea editorial staff (游戏茶苑) (20 April 2012). “Basic xiangqi mating methods: elbow horse” [象棋基本杀法—卧槽马]. GameTea (游戏茶苑). figures 59–62.
  21. ↑ 21.0 21.1 21.2 21.3 21.4 Yang Guanlin (杨官璘). New Compilation from the Chess World [弈林新编]. Chinese Xiangqi Game Record Network (中国象棋棋谱网). mating methods, figure 15; ending 28; mating methods, figure 15; ending 28. Digital transcription. Mating figure 15 · Ending 28
  22. ↑ GameTea instructional archive (游戏茶苑). “Winning techniques in Chinese xiangqi: improvement” [中国象棋游戏必胜技巧有哪些？---提高篇]. GameTea (游戏茶苑).
  23. ↑ Xiangqi Prince (象棋王子) (4 August 2010). “League round eight: Beijing, Guangdong, Shanghai and Hubei win” [象甲第8轮北京擒河南 广东上海湖北三大豪门齐获胜]. Sina Sports (新浪体育).
  24. ↑ Sina Sports (新浪体育) (21 September 2012). “Yang Guanlin Cup final round” [杨官璘杯最终轮洪智胜郑惟桐夺冠 女子唐丹摘金]. Sina Sports (新浪体育).
  25. ↑ 25.0 25.1 Wu Guilin (吴贵临) (2018 transcription). Xiangqi Art of War [象棋兵法]. Chinese Xiangqi Game Record Network (中国象棋棋谱网). chapter 1, section 1, example 8; example 8, variations. Example 8 · Introduction
  26. ↑ Xiangqi Prince (象棋王子) (8 January 2010). “Xu Yinchuan wins the opening game of the year-end final” [象棋年终赛大决战首局 许银川胜洪智取得赛点]. Sina Sports (新浪体育).
  27. ↑ Sina Sports (新浪体育) (19 November 2013). “Tang Dan wins the Covered Bridge Cup” [廊桥杯落幕唐丹获两月内第四冠 张国凤陈青婷亚季军]. Sina Sports (新浪体育).
  28. ↑ Board and Card Games Administrative Center (棋牌运动管理中心) (19 January 2018). “Wang Tianyi wins the National Cup” [象棋：国家杯王天一弈出神之一手 勇夺2018开年一大冠]. General Administration of Sport (国家体育总局).
  29. ↑ 29.0 29.1 Chinese Xiangqi Game Record Network (中国象棋棋谱网) (2019). “National championship final: Wang Yang loses to Wang Tianyi” [2019年全国象棋个人锦标赛男子甲组决赛：汪洋先负王天一]. Chinese Xiangqi Game Record Network (中国象棋棋谱网). complete score; annotations at plies 27–29; ply 28.
  30. ↑ Daily Xiangqi (天天象棋) (25 May 2019). “Meng Chen defeats Wang Tianyi to win the Gaogang Cup” [高港杯象棋青年大师赛战罢 孟辰胜王天一夺冠]. Sina republication (新浪转载).
  31. ↑ Tang Zhuoguang (汤卓光), commentary; Zhao Liangchen (赵亮晨), editor (6 February 2023). “Drawn finals also have their subtleties” [决赛和局亦有门道]. Yangcheng Evening News (羊城晚报), A06. second fast game.
  32. ↑ Sina Sports (新浪体育) (11 February 2011). “Dadi Cup: Wang Tianyi wins unbeaten” [大地杯王天一不败战绩夺冠 郑惟桐亚军汪洋季军]. Sina Sports (新浪体育).
  33. ↑ Zhao Liangchen (赵亮晨) (2 March 2026). “Two new Five Rams Cup champions” [“五羊杯”两位新王诞生]. Yangcheng Evening News (羊城晚报), A08. 1 March veterans’ game.
  34. ↑ Chinese Xiangqi Association (中国象棋协会) (11 April 2023). “Notice issuing trial regulations for grading platforms, with grade 13–16 assessment standards” [中国象棋协会关于发布《中国象棋协会棋手技术等级评测平台管理办法（试行）》的通知]. General Administration of Sport, Board and Card Games Administrative Center (国家体育总局棋牌运动管理中心). appendix, grade 15, item 2. Published online 29 January 2024.
  35. ↑ Li Qingyan (李慶彥) (2024). “Xiangqi club course outline” [象棋社課程簡介及進度表]. Taipei Xinhe Elementary School (臺北市萬華區新和國小). p. 2. Academic year 113, first semester.
  36. ↑ Taipei Zhishan Elementary School (臺北市立芝山國民小學) (2025). “After-school club teaching plans” [課後社團教學計畫表]. Taipei Zhishan Elementary School (臺北市立芝山國民小學). p. 2. Academic year 113, second semester.
  37. ↑ Jin Qichang (金启昌) and others (February 2000). 100 Elbow-Horse Mating Combinations [卧槽马杀100着]. Beijing Sport University Press (北京体育大学出版社); Douban catalogue (豆瓣读书). ISBN 9787810514620.
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